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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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10051 | ace_dent | 3 | ;; Copyright (C) KolibriOS team 2004-2024. All rights reserved. ;; |
3545 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org, ;; |
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9 | ;; and Clevermouse. ;; |
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10 | ;; ;; |
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11 | ;; Based on code by mike.dld ;; |
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12 | ;; ;; |
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13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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17 | |||
18 | |||
19 | struct SOCKET |
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20 | |||
5976 | hidnplayr | 21 | NextPtr dd ? ; pointer to next socket in list |
22 | PrevPtr dd ? ; pointer to previous socket in list |
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23 | Number dd ? ; socket number |
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3545 | hidnplayr | 24 | |
25 | mutex MUTEX |
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26 | |||
5976 | hidnplayr | 27 | PID dd ? ; process ID |
28 | TID dd ? ; thread ID |
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29 | Domain dd ? ; INET4/INET6/LOCAL/.. |
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30 | Type dd ? ; RAW/STREAM/DGRAM |
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31 | Protocol dd ? ; UDP/TCP/ARP/ICMP |
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3545 | hidnplayr | 32 | errorcode dd ? |
5976 | hidnplayr | 33 | device dd ? ; device pointer, paired socket pointer if it's a local socket |
3545 | hidnplayr | 34 | |
35 | options dd ? |
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36 | state dd ? |
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5976 | hidnplayr | 37 | backlog dw ? ; number of incoming connections that can be queued |
3545 | hidnplayr | 38 | |
39 | snd_proc dd ? |
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40 | rcv_proc dd ? |
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4030 | hidnplayr | 41 | connect_proc dd ? |
9917 | Doczom | 42 | ;sndto_proc dd ? |
43 | ;rcvfrom_proc dd ? |
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3545 | hidnplayr | 44 | |
45 | ends |
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46 | |||
47 | struct IP_SOCKET SOCKET |
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48 | |||
5976 | hidnplayr | 49 | LocalIP rd 4 ; network byte order |
50 | RemoteIP rd 4 ; network byte order |
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5842 | hidnplayr | 51 | ttl db ? |
5976 | hidnplayr | 52 | rb 3 ; align |
3545 | hidnplayr | 53 | |
54 | ends |
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55 | |||
56 | struct TCP_SOCKET IP_SOCKET |
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57 | |||
5976 | hidnplayr | 58 | LocalPort dw ? ; network byte order |
59 | RemotePort dw ? ; network byte order |
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3545 | hidnplayr | 60 | |
5976 | hidnplayr | 61 | t_state dd ? ; TCB state |
3545 | hidnplayr | 62 | t_rxtshift db ? |
5976 | hidnplayr | 63 | rb 3 ; align |
3545 | hidnplayr | 64 | t_rxtcur dd ? |
65 | t_dupacks dd ? |
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66 | t_maxseg dd ? |
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67 | t_flags dd ? |
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68 | |||
69 | ;--------------- |
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70 | ; RFC783 page 21 |
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71 | |||
72 | ; send sequence |
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5976 | hidnplayr | 73 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
74 | SND_NXT dd ? ; next send sequence number to use |
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75 | SND_UP dd ? ; urgent pointer |
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6476 | hidnplayr | 76 | SND_WL1 dd ? ; the sequence number of the last segment used to update the send window |
77 | SND_WL2 dd ? ; the acknowledgment number of the last segment used to update the send window |
||
5976 | hidnplayr | 78 | ISS dd ? ; initial send sequence number |
79 | SND_WND dd ? ; send window |
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3545 | hidnplayr | 80 | |
81 | ; receive sequence |
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5976 | hidnplayr | 82 | RCV_WND dd ? ; receive window |
83 | RCV_NXT dd ? ; next receive sequence number to use |
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84 | RCV_UP dd ? ; urgent pointer |
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85 | IRS dd ? ; initial receive sequence number |
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3545 | hidnplayr | 86 | |
87 | ;--------------------- |
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88 | ; Additional variables |
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89 | |||
90 | ; receive variables |
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91 | RCV_ADV dd ? |
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92 | |||
93 | ; retransmit variables |
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94 | SND_MAX dd ? |
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95 | |||
96 | ; congestion control |
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4339 | hidnplayr | 97 | SND_CWND dd ? ; congestion window |
98 | SND_SSTHRESH dd ? ; slow start threshold |
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3545 | hidnplayr | 99 | |
100 | ;---------------------- |
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101 | ; Transmit timing stuff |
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102 | t_idle dd ? |
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5442 | hidnplayr | 103 | t_rtt dd ? ; round trip time |
3545 | hidnplayr | 104 | t_rtseq dd ? |
5442 | hidnplayr | 105 | t_srtt dd ? ; smoothed round trip time |
3545 | hidnplayr | 106 | t_rttvar dd ? |
107 | t_rttmin dd ? |
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108 | max_sndwnd dd ? |
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109 | |||
110 | ;----------------- |
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111 | ; Out-of-band data |
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112 | t_oobflags dd ? |
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113 | t_iobc dd ? |
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114 | t_softerror dd ? |
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115 | |||
116 | |||
117 | ;--------- |
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118 | ; RFC 1323 ; the order of next 4 elements may not change |
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119 | |||
120 | SND_SCALE db ? |
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121 | RCV_SCALE db ? |
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122 | requested_s_scale db ? |
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123 | request_r_scale db ? |
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124 | |||
125 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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126 | ts_recent_age dd ? |
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127 | last_ack_sent dd ? |
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128 | |||
129 | |||
130 | ;------- |
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131 | ; Timers |
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3600 | hidnplayr | 132 | timer_flags dd ? |
5976 | hidnplayr | 133 | timer_retransmission dd ? ; rexmt |
3545 | hidnplayr | 134 | timer_persist dd ? |
5976 | hidnplayr | 135 | timer_keepalive dd ? ; keepalive/syn timeout |
136 | timer_timed_wait dd ? ; also used as 2msl timer |
||
4021 | hidnplayr | 137 | timer_connect dd ? |
3545 | hidnplayr | 138 | |
139 | ; extra |
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140 | |||
5976 | hidnplayr | 141 | ts_ecr dd ? ; timestamp echo reply |
3545 | hidnplayr | 142 | ts_val dd ? |
143 | |||
5976 | hidnplayr | 144 | seg_next dd ? ; re-assembly queue |
3545 | hidnplayr | 145 | |
146 | ends |
||
147 | |||
148 | struct UDP_SOCKET IP_SOCKET |
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149 | |||
5976 | hidnplayr | 150 | LocalPort dw ? ; in network byte order |
151 | RemotePort dw ? ; in network byte order |
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3545 | hidnplayr | 152 | |
153 | ends |
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154 | |||
155 | struct RING_BUFFER |
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156 | |||
157 | mutex MUTEX |
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5976 | hidnplayr | 158 | start_ptr dd ? ; Pointer to start of buffer |
159 | end_ptr dd ? ; pointer to end of buffer |
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160 | read_ptr dd ? ; Read pointer |
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161 | write_ptr dd ? ; Write pointer |
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162 | size dd ? ; Number of bytes buffered |
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3545 | hidnplayr | 163 | |
164 | ends |
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165 | |||
166 | struct STREAM_SOCKET TCP_SOCKET |
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167 | |||
168 | rcv RING_BUFFER |
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169 | snd RING_BUFFER |
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170 | |||
171 | ends |
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172 | |||
9739 | turbocat | 173 | struct sockaddr |
174 | |||
175 | family dw ? ; Address family |
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176 | port dw ? ; 16 bit TCP/UDP port number |
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177 | ip dd ? ; 32 bit IP address |
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178 | _zero rb 8 ; Not use, for align |
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179 | |||
180 | ends |
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181 | |||
3545 | hidnplayr | 182 | struct socket_queue_entry |
183 | |||
184 | data_ptr dd ? |
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5522 | hidnplayr | 185 | data_size dd ? |
3545 | hidnplayr | 186 | buf_ptr dd ? |
187 | |||
188 | ends |
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189 | |||
5976 | hidnplayr | 190 | struct socket_options |
3545 | hidnplayr | 191 | |
5976 | hidnplayr | 192 | level dd ? |
193 | optname dd ? |
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194 | optlen dd ? |
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195 | optval dd ? |
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3545 | hidnplayr | 196 | |
5976 | hidnplayr | 197 | ends |
198 | |||
6413 | hidnplayr | 199 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
5976 | hidnplayr | 200 | |
201 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
||
3545 | hidnplayr | 202 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
6413 | hidnplayr | 203 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
3545 | hidnplayr | 204 | |
205 | uglobal |
||
3698 | hidnplayr | 206 | align 4 |
207 | |||
3545 | hidnplayr | 208 | net_sockets rd 4 |
209 | last_socket_num dd ? |
||
5976 | hidnplayr | 210 | last_UDP_port dw ? ; last used ephemeral port |
211 | last_TCP_port dw ? ; |
||
3647 | hidnplayr | 212 | socket_mutex MUTEX |
3698 | hidnplayr | 213 | |
3545 | hidnplayr | 214 | endg |
215 | |||
216 | |||
5976 | hidnplayr | 217 | ;-----------------------------------------------------------------; |
218 | ; ; |
||
6011 | hidnplayr | 219 | ; socket_init ; |
5976 | hidnplayr | 220 | ; ; |
221 | ;-----------------------------------------------------------------; |
||
6011 | hidnplayr | 222 | macro socket_init { |
3545 | hidnplayr | 223 | |
224 | xor eax, eax |
||
225 | mov edi, net_sockets |
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226 | mov ecx, 5 |
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3711 | clevermous | 227 | rep stosd |
3545 | hidnplayr | 228 | |
229 | @@: |
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230 | pseudo_random eax |
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3600 | hidnplayr | 231 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 232 | jb @r |
3600 | hidnplayr | 233 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 234 | ja @r |
235 | xchg al, ah |
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236 | mov [last_UDP_port], ax |
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237 | |||
238 | @@: |
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239 | pseudo_random eax |
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3600 | hidnplayr | 240 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 241 | jb @r |
3600 | hidnplayr | 242 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 243 | ja @r |
244 | xchg al, ah |
||
245 | mov [last_TCP_port], ax |
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246 | |||
3647 | hidnplayr | 247 | mov ecx, socket_mutex |
248 | call mutex_init |
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249 | |||
3545 | hidnplayr | 250 | } |
251 | |||
5976 | hidnplayr | 252 | ;-----------------------------------------------------------------; |
253 | ; ; |
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254 | ; Sockets API (system function 75) ; |
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255 | ; ; |
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256 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 257 | align 4 |
258 | sys_socket: |
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259 | |||
9917 | Doczom | 260 | mov dword[esp + SYSCALL_STACK.ebx], 0 ; Set error code to 0 |
3659 | hidnplayr | 261 | |
3545 | hidnplayr | 262 | cmp ebx, 255 |
6011 | hidnplayr | 263 | jz socket_debug |
3545 | hidnplayr | 264 | |
265 | cmp ebx, .number |
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3658 | hidnplayr | 266 | ja .error |
3545 | hidnplayr | 267 | jmp dword [.table + 4*ebx] |
268 | |||
269 | .table: |
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6011 | hidnplayr | 270 | dd socket_open ; 0 |
271 | dd socket_close ; 1 |
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272 | dd socket_bind ; 2 |
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273 | dd socket_listen ; 3 |
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274 | dd socket_connect ; 4 |
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275 | dd socket_accept ; 5 |
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276 | dd socket_send ; 6 |
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277 | dd socket_receive ; 7 |
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278 | dd socket_set_opt ; 8 |
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279 | dd socket_get_opt ; 9 |
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280 | dd socket_pair ; 10 |
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9917 | Doczom | 281 | |
282 | ;dd socket_sendto ; 11 |
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283 | ;dd socket_recvfrom ; 12 |
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3545 | hidnplayr | 284 | .number = ($ - .table) / 4 - 1 |
285 | |||
3658 | hidnplayr | 286 | .error: |
9917 | Doczom | 287 | mov dword[esp + SYSCALL_STACK.eax], -1 |
288 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
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3545 | hidnplayr | 289 | |
290 | ret |
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291 | |||
5976 | hidnplayr | 292 | ;-----------------------------------------------------------------; |
293 | ; ; |
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6011 | hidnplayr | 294 | ; socket_open: Create a new socket. ; |
5976 | hidnplayr | 295 | ; ; |
296 | ; IN: ecx = domain ; |
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297 | ; edx = type ; |
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298 | ; esi = protocol ; |
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299 | ; ; |
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300 | ; OUT: eax = socket number ; |
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301 | ; eax = -1 on error ; |
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302 | ; ebx = errorcode on error ; |
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303 | ; ; |
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304 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 305 | align 4 |
6011 | hidnplayr | 306 | socket_open: |
3545 | hidnplayr | 307 | |
7974 | hidnplayr | 308 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x\n", ecx, edx, esi |
3545 | hidnplayr | 309 | |
310 | push ecx edx esi |
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6011 | hidnplayr | 311 | call socket_alloc |
3545 | hidnplayr | 312 | pop esi edx ecx |
4535 | hidnplayr | 313 | test eax, eax |
3658 | hidnplayr | 314 | jz .nobuffs |
3545 | hidnplayr | 315 | |
9917 | Doczom | 316 | mov [esp + SYSCALL_STACK.eax], edi ; return socketnumber |
7974 | hidnplayr | 317 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: socknum=%u\n", edi |
3545 | hidnplayr | 318 | |
3705 | hidnplayr | 319 | test edx, SO_NONBLOCK |
320 | jz @f |
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321 | or [eax + SOCKET.options], SO_NONBLOCK |
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322 | and edx, not SO_NONBLOCK |
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323 | @@: |
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3545 | hidnplayr | 324 | |
325 | mov [eax + SOCKET.Domain], ecx |
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326 | mov [eax + SOCKET.Type], edx |
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327 | mov [eax + SOCKET.Protocol], esi |
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4030 | hidnplayr | 328 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 329 | |
330 | cmp ecx, AF_INET4 |
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331 | jne .no_inet4 |
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332 | |||
5842 | hidnplayr | 333 | mov [eax + IP_SOCKET.ttl], 128 |
334 | |||
3545 | hidnplayr | 335 | cmp edx, SOCK_DGRAM |
336 | je .udp |
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337 | |||
338 | cmp edx, SOCK_STREAM |
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339 | je .tcp |
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340 | |||
341 | cmp edx, SOCK_RAW |
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342 | je .raw |
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343 | |||
344 | .no_inet4: |
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345 | cmp ecx, AF_PPP |
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346 | jne .no_ppp |
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347 | |||
9049 | hidnplayr | 348 | ; cmp esi, PPP_PROTO_ETHERNET |
349 | ; je .pppoe |
||
3545 | hidnplayr | 350 | |
351 | .no_ppp: |
||
3658 | hidnplayr | 352 | .unsupported: |
353 | push eax |
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6011 | hidnplayr | 354 | call socket_free |
3658 | hidnplayr | 355 | pop eax |
9917 | Doczom | 356 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
357 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3545 | hidnplayr | 358 | ret |
359 | |||
3658 | hidnplayr | 360 | .nobuffs: |
9917 | Doczom | 361 | mov dword[esp + SYSCALL_STACK.ebx], ENOBUFS |
362 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 363 | ret |
364 | |||
3545 | hidnplayr | 365 | .raw: |
5976 | hidnplayr | 366 | test esi, esi ; IP_PROTO_IP |
3658 | hidnplayr | 367 | jz .raw_ip |
3545 | hidnplayr | 368 | |
369 | cmp esi, IP_PROTO_ICMP |
||
3658 | hidnplayr | 370 | je .raw_icmp |
3545 | hidnplayr | 371 | |
3658 | hidnplayr | 372 | jmp .unsupported |
3545 | hidnplayr | 373 | |
374 | align 4 |
||
375 | .udp: |
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5842 | hidnplayr | 376 | push eax |
377 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
378 | pop eax |
||
379 | |||
3545 | hidnplayr | 380 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
6011 | hidnplayr | 381 | mov [eax + SOCKET.snd_proc], socket_send_udp |
382 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
383 | mov [eax + SOCKET.connect_proc], udp_connect |
||
3545 | hidnplayr | 384 | ret |
385 | |||
386 | align 4 |
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387 | .tcp: |
||
388 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
6011 | hidnplayr | 389 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
7974 | hidnplayr | 390 | mov [eax + SOCKET.rcv_proc], socket_receive_tcp |
6011 | hidnplayr | 391 | mov [eax + SOCKET.connect_proc], tcp_connect |
3545 | hidnplayr | 392 | |
6011 | hidnplayr | 393 | tcp_init_socket eax |
3545 | hidnplayr | 394 | ret |
395 | |||
396 | |||
397 | align 4 |
||
3658 | hidnplayr | 398 | .raw_ip: |
5842 | hidnplayr | 399 | push eax |
400 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
401 | pop eax |
||
402 | |||
6011 | hidnplayr | 403 | mov [eax + SOCKET.snd_proc], socket_send_ip |
404 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
405 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 406 | ret |
407 | |||
408 | |||
409 | align 4 |
||
3658 | hidnplayr | 410 | .raw_icmp: |
5842 | hidnplayr | 411 | push eax |
412 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
413 | pop eax |
||
414 | |||
6011 | hidnplayr | 415 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
416 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
417 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 418 | ret |
419 | |||
9049 | hidnplayr | 420 | ;align 4 |
421 | ; .pppoe: |
||
422 | ; push eax |
||
423 | ; init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
424 | ; pop eax |
||
425 | ; |
||
426 | ; mov [eax + SOCKET.snd_proc], socket_send_pppoe |
||
427 | ; mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
428 | ; ret |
||
3545 | hidnplayr | 429 | |
430 | |||
5976 | hidnplayr | 431 | ;-----------------------------------------------------------------; |
432 | ; ; |
||
6011 | hidnplayr | 433 | ; socket_bind: Bind to a local port. ; |
5976 | hidnplayr | 434 | ; ; |
435 | ; IN: ecx = socket number ; |
||
436 | ; edx = pointer to sockaddr struct ; |
||
437 | ; esi = length of sockaddr struct ; |
||
438 | ; ; |
||
439 | ; OUT: eax = 0 on success ; |
||
440 | ; eax = -1 on error ; |
||
441 | ; ebx = errorcode on error ; |
||
442 | ; ; |
||
443 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 444 | align 4 |
6011 | hidnplayr | 445 | socket_bind: |
3545 | hidnplayr | 446 | |
3556 | hidnplayr | 447 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 448 | |
6011 | hidnplayr | 449 | call socket_num_to_ptr |
5969 | hidnplayr | 450 | test eax, eax |
3658 | hidnplayr | 451 | jz .invalid |
3545 | hidnplayr | 452 | |
453 | cmp esi, 2 |
||
3658 | hidnplayr | 454 | jb .invalid |
3545 | hidnplayr | 455 | |
5976 | hidnplayr | 456 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
4052 | hidnplayr | 457 | jnz .invalid |
458 | |||
6011 | hidnplayr | 459 | cmp word[edx], AF_INET4 |
3545 | hidnplayr | 460 | je .af_inet4 |
461 | |||
6011 | hidnplayr | 462 | cmp word[edx], AF_LOCAL |
3545 | hidnplayr | 463 | je .af_local |
464 | |||
3658 | hidnplayr | 465 | .notsupp: |
9917 | Doczom | 466 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
467 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 468 | ret |
3545 | hidnplayr | 469 | |
3658 | hidnplayr | 470 | .invalid: |
9917 | Doczom | 471 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
472 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 473 | ret |
474 | |||
3545 | hidnplayr | 475 | .af_local: |
476 | ; TODO: write code here |
||
9917 | Doczom | 477 | mov dword[esp + SYSCALL_STACK.eax], 0 |
3545 | hidnplayr | 478 | ret |
479 | |||
480 | .af_inet4: |
||
481 | cmp esi, 6 |
||
3658 | hidnplayr | 482 | jb .invalid |
3545 | hidnplayr | 483 | |
484 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
485 | je .udp |
||
486 | |||
487 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
488 | je .tcp |
||
489 | |||
3658 | hidnplayr | 490 | jmp .notsupp |
3545 | hidnplayr | 491 | |
492 | .tcp: |
||
493 | .udp: |
||
4052 | hidnplayr | 494 | pushd [edx + 4] ; First, fill in the IP |
495 | popd [eax + IP_SOCKET.LocalIP] |
||
3545 | hidnplayr | 496 | |
4052 | hidnplayr | 497 | mov bx, [edx + 2] ; Did caller specify a local port? |
498 | test bx, bx |
||
499 | jnz .just_check |
||
6011 | hidnplayr | 500 | call socket_find_port ; Nope, find an ephemeral one |
4052 | hidnplayr | 501 | jmp .done |
502 | |||
503 | .just_check: |
||
6011 | hidnplayr | 504 | call socket_check_port ; Yes, check if it's still available |
4052 | hidnplayr | 505 | jz .addrinuse ; ZF is set by socket_check_port on error |
506 | |||
507 | .done: |
||
3556 | hidnplayr | 508 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 509 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
510 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
511 | |||
9917 | Doczom | 512 | mov dword[esp + SYSCALL_STACK.eax], 0 |
3545 | hidnplayr | 513 | ret |
514 | |||
3658 | hidnplayr | 515 | .addrinuse: |
9917 | Doczom | 516 | mov dword[esp + SYSCALL_STACK.eax], -1 |
517 | mov dword[esp + SYSCALL_STACK.ebx], EADDRINUSE |
||
3658 | hidnplayr | 518 | ret |
3545 | hidnplayr | 519 | |
520 | |||
521 | |||
3658 | hidnplayr | 522 | |
5976 | hidnplayr | 523 | ;-----------------------------------------------------------------; |
524 | ; ; |
||
6011 | hidnplayr | 525 | ; socket_connect: Connect to the remote host. ; |
5976 | hidnplayr | 526 | ; ; |
527 | ; IN: ecx = socket number ; |
||
528 | ; edx = pointer to sockaddr struct ; |
||
529 | ; esi = length of sockaddr struct ; |
||
530 | ; ; |
||
531 | ; OUT: eax = 0 on success ; |
||
532 | ; eax = -1 on error ; |
||
533 | ; ebx = errorcode on error ; |
||
534 | ; ; |
||
535 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 536 | align 4 |
6011 | hidnplayr | 537 | socket_connect: |
3545 | hidnplayr | 538 | |
3556 | hidnplayr | 539 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 540 | |
6011 | hidnplayr | 541 | call socket_num_to_ptr |
5969 | hidnplayr | 542 | test eax, eax |
3658 | hidnplayr | 543 | jz .invalid |
3545 | hidnplayr | 544 | |
545 | cmp esi, 8 |
||
3658 | hidnplayr | 546 | jb .invalid |
3545 | hidnplayr | 547 | |
4025 | hidnplayr | 548 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
549 | je .already |
||
550 | |||
551 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
552 | jnz .notsupp |
||
553 | |||
4030 | hidnplayr | 554 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 555 | |
9917 | Doczom | 556 | mov dword[esp + SYSCALL_STACK.ebx], ebx |
557 | mov dword[esp + SYSCALL_STACK.eax], eax |
||
4030 | hidnplayr | 558 | ret |
559 | |||
560 | |||
3658 | hidnplayr | 561 | .notsupp: |
9917 | Doczom | 562 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
563 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 564 | ret |
3545 | hidnplayr | 565 | |
3658 | hidnplayr | 566 | .invalid: |
9917 | Doczom | 567 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
568 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 569 | ret |
570 | |||
4025 | hidnplayr | 571 | .already: |
9917 | Doczom | 572 | mov dword[esp + SYSCALL_STACK.ebx], EALREADY |
573 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
4025 | hidnplayr | 574 | ret |
575 | |||
576 | |||
4030 | hidnplayr | 577 | connect_notsupp: |
578 | xor eax, eax |
||
579 | dec eax |
||
580 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 581 | ret |
582 | |||
4025 | hidnplayr | 583 | |
5976 | hidnplayr | 584 | ;-----------------------------------------------------------------; |
585 | ; ; |
||
6011 | hidnplayr | 586 | ; socket_listen: Listen for incoming connections. ; |
5976 | hidnplayr | 587 | ; ; |
588 | ; IN: ecx = socket number ; |
||
589 | ; edx = backlog in edx ; |
||
590 | ; ; |
||
591 | ; OUT: eax = 0 on success ; |
||
592 | ; eax = -1 on error ; |
||
593 | ; ebx = errorcode on error ; |
||
594 | ; ; |
||
595 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 596 | align 4 |
6011 | hidnplayr | 597 | socket_listen: |
3545 | hidnplayr | 598 | |
3556 | hidnplayr | 599 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 600 | |
6011 | hidnplayr | 601 | call socket_num_to_ptr |
5969 | hidnplayr | 602 | test eax, eax |
3658 | hidnplayr | 603 | jz .invalid |
3545 | hidnplayr | 604 | |
605 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 606 | jne .notsupp |
3545 | hidnplayr | 607 | |
608 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 609 | jne .invalid |
3545 | hidnplayr | 610 | |
611 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 612 | je .already |
3545 | hidnplayr | 613 | |
614 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
615 | jne @f |
||
7678 | hidnplayr | 616 | push [IPv4_address + 4] ;;; fixme!!!! |
3545 | hidnplayr | 617 | pop [eax + IP_SOCKET.LocalIP] |
618 | @@: |
||
619 | |||
620 | cmp edx, MAX_backlog |
||
621 | jbe @f |
||
622 | mov edx, MAX_backlog |
||
623 | @@: |
||
624 | |||
625 | mov [eax + SOCKET.backlog], dx |
||
626 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
627 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
628 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
629 | |||
630 | push eax |
||
631 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
632 | pop eax |
||
633 | |||
9917 | Doczom | 634 | mov dword[esp + SYSCALL_STACK.eax], 0 |
3658 | hidnplayr | 635 | ret |
3545 | hidnplayr | 636 | |
3658 | hidnplayr | 637 | .notsupp: |
9917 | Doczom | 638 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
639 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3545 | hidnplayr | 640 | ret |
641 | |||
3658 | hidnplayr | 642 | .invalid: |
9917 | Doczom | 643 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
644 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 645 | ret |
3545 | hidnplayr | 646 | |
3658 | hidnplayr | 647 | .already: |
9917 | Doczom | 648 | mov dword[esp + SYSCALL_STACK.ebx], EALREADY |
649 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 650 | ret |
651 | |||
652 | |||
5976 | hidnplayr | 653 | ;-----------------------------------------------------------------; |
654 | ; ; |
||
6011 | hidnplayr | 655 | ; socket_accept: Accept an incoming connection. ; |
5976 | hidnplayr | 656 | ; ; |
657 | ; IN: ecx = socket number (of listening socket) ; |
||
658 | ; edx = ptr to sockaddr struct ; |
||
659 | ; esi = length of sockaddr struct ; |
||
660 | ; ; |
||
661 | ; OUT: eax = newly created socket num ; |
||
662 | ; eax = -1 on error ; |
||
663 | ; ebx = errorcode on error ; |
||
664 | ; ; |
||
665 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 666 | align 4 |
6011 | hidnplayr | 667 | socket_accept: |
3545 | hidnplayr | 668 | |
3556 | hidnplayr | 669 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 670 | |
6011 | hidnplayr | 671 | call socket_num_to_ptr |
5969 | hidnplayr | 672 | test eax, eax |
3658 | hidnplayr | 673 | jz .invalid |
3545 | hidnplayr | 674 | |
675 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 676 | jz .invalid |
3545 | hidnplayr | 677 | |
678 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 679 | jne .notsupp |
3545 | hidnplayr | 680 | |
681 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 682 | jne .invalid |
3545 | hidnplayr | 683 | |
684 | .loop: |
||
685 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
686 | |||
687 | ; Ok, we got a socket ptr |
||
688 | mov eax, [esi] |
||
689 | |||
5969 | hidnplayr | 690 | ; Verify that it is (still) a valid socket |
6011 | hidnplayr | 691 | call socket_check |
5969 | hidnplayr | 692 | jz .invalid |
693 | |||
694 | ; Change sockets thread owner ID to that of the current thread |
||
9692 | Doczom | 695 | mov ebx, [current_slot] |
696 | mov ebx, [ebx + APPDATA.tid] |
||
3545 | hidnplayr | 697 | mov [eax + SOCKET.TID], ebx |
698 | |||
5969 | hidnplayr | 699 | ; Return socket number to caller |
700 | mov eax, [eax + SOCKET.Number] |
||
9917 | Doczom | 701 | mov [esp + SYSCALL_STACK.eax], eax |
3545 | hidnplayr | 702 | ret |
703 | |||
704 | .block: |
||
705 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 706 | jnz .wouldblock |
6908 | ashmew2 | 707 | |
6011 | hidnplayr | 708 | call socket_block |
3545 | hidnplayr | 709 | jmp .loop |
710 | |||
3658 | hidnplayr | 711 | .wouldblock: |
9917 | Doczom | 712 | mov dword[esp + SYSCALL_STACK.ebx], EWOULDBLOCK |
713 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 714 | ret |
715 | |||
716 | .invalid: |
||
9917 | Doczom | 717 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
718 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 719 | ret |
720 | |||
721 | .notsupp: |
||
9917 | Doczom | 722 | mov dword[esp + SYSCALL_STACK.ebx], EOPNOTSUPP |
723 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 724 | ret |
725 | |||
5976 | hidnplayr | 726 | ;-----------------------------------------------------------------; |
727 | ; ; |
||
6011 | hidnplayr | 728 | ; socket_close: Close the socket (and connection). ; |
5976 | hidnplayr | 729 | ; ; |
730 | ; IN: ecx = socket number ; |
||
731 | ; ; |
||
732 | ; OUT: eax = 0 on success ; |
||
733 | ; eax = -1 on error ; |
||
734 | ; ebx = errorcode on error ; |
||
735 | ; ; |
||
736 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 737 | align 4 |
6011 | hidnplayr | 738 | socket_close: |
3545 | hidnplayr | 739 | |
3556 | hidnplayr | 740 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 741 | |
6011 | hidnplayr | 742 | call socket_num_to_ptr |
5969 | hidnplayr | 743 | test eax, eax |
3658 | hidnplayr | 744 | jz .invalid |
3545 | hidnplayr | 745 | |
9917 | Doczom | 746 | mov dword[esp + SYSCALL_STACK.eax], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 747 | |
748 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
749 | |||
750 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
751 | jz @f |
||
6011 | hidnplayr | 752 | call socket_notify ; Unblock it. |
3545 | hidnplayr | 753 | @@: |
754 | |||
755 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
756 | jne .free |
||
757 | |||
758 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
9976 | Jurgen | 759 | jne .free |
8026 | hidnplayr | 760 | test [eax + SOCKET.state], SS_ISCONNECTED |
9993 | Doczom | 761 | jz @f |
8026 | hidnplayr | 762 | test [eax + SOCKET.state], SS_ISDISCONNECTING |
9993 | Doczom | 763 | jnz @f |
8026 | hidnplayr | 764 | call tcp_disconnect |
9993 | Doczom | 765 | @@: |
766 | ret |
||
767 | ; test eax, eax |
||
768 | ; jz .end |
||
9976 | Jurgen | 769 | .free: |
770 | call socket_free |
||
771 | .end: |
||
3545 | hidnplayr | 772 | ret |
773 | |||
774 | |||
3658 | hidnplayr | 775 | .invalid: |
9917 | Doczom | 776 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
777 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 778 | ret |
779 | |||
780 | |||
5976 | hidnplayr | 781 | ;-----------------------------------------------------------------; |
782 | ; ; |
||
6011 | hidnplayr | 783 | ; socket_receive: Receive some data from the remote end. ; |
5976 | hidnplayr | 784 | ; ; |
785 | ; IN: ecx = socket number ; |
||
786 | ; edx = addr to application buffer ; |
||
9049 | hidnplayr | 787 | ; esi = length of application buffer ; |
5976 | hidnplayr | 788 | ; edi = flags ; |
789 | ; ; |
||
790 | ; OUT: eax = number of bytes copied ; |
||
791 | ; eax = -1 on error ; |
||
792 | ; eax = 0 when socket has been closed by the remote end ; |
||
793 | ; ebx = errorcode on error ; |
||
794 | ; ; |
||
795 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 796 | align 4 |
6011 | hidnplayr | 797 | socket_receive: |
3545 | hidnplayr | 798 | |
3556 | hidnplayr | 799 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 800 | |
6011 | hidnplayr | 801 | call socket_num_to_ptr |
5969 | hidnplayr | 802 | test eax, eax |
3658 | hidnplayr | 803 | jz .invalid |
3545 | hidnplayr | 804 | |
9049 | hidnplayr | 805 | stdcall is_region_userspace, edx, esi |
806 | jnz .invalid |
||
807 | |||
3704 | hidnplayr | 808 | .loop: |
809 | push edi |
||
3565 | hidnplayr | 810 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 811 | pop edi |
3545 | hidnplayr | 812 | |
4219 | hidnplayr | 813 | test [eax + SOCKET.state], SS_CANTRCVMORE |
5364 | hidnplayr | 814 | jnz .last_data |
4219 | hidnplayr | 815 | |
3704 | hidnplayr | 816 | cmp ebx, EWOULDBLOCK |
817 | jne .return |
||
818 | |||
819 | test edi, MSG_DONTWAIT |
||
820 | jnz .return_err |
||
821 | |||
5976 | hidnplayr | 822 | test [eax + SOCKET.options], SO_NONBLOCK |
823 | jnz .return_err |
||
6908 | ashmew2 | 824 | |
6011 | hidnplayr | 825 | call socket_block |
3704 | hidnplayr | 826 | jmp .loop |
827 | |||
828 | |||
829 | .invalid: |
||
830 | push EINVAL |
||
831 | pop ebx |
||
832 | .return_err: |
||
4219 | hidnplayr | 833 | mov ecx, -1 |
3704 | hidnplayr | 834 | .return: |
9917 | Doczom | 835 | mov [esp + SYSCALL_STACK.ebx], ebx |
836 | mov [esp + SYSCALL_STACK.eax], ecx |
||
3565 | hidnplayr | 837 | ret |
3545 | hidnplayr | 838 | |
5364 | hidnplayr | 839 | .last_data: |
840 | test ecx, ecx |
||
841 | jz .return |
||
6011 | hidnplayr | 842 | call socket_notify ; Call me again! |
5364 | hidnplayr | 843 | jmp .return |
3565 | hidnplayr | 844 | |
3658 | hidnplayr | 845 | |
3704 | hidnplayr | 846 | |
847 | |||
3545 | hidnplayr | 848 | align 4 |
6011 | hidnplayr | 849 | socket_receive_dgram: |
3704 | hidnplayr | 850 | |
3556 | hidnplayr | 851 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 852 | |
5976 | hidnplayr | 853 | test edi, MSG_PEEK |
854 | jnz .peek |
||
3545 | hidnplayr | 855 | |
5976 | hidnplayr | 856 | mov ebx, esi ; buffer length |
857 | |||
3704 | hidnplayr | 858 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 859 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 860 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 861 | |
3704 | hidnplayr | 862 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 863 | ja .too_small |
864 | |||
4219 | hidnplayr | 865 | push eax ecx |
3545 | hidnplayr | 866 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
867 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 868 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 869 | |
3704 | hidnplayr | 870 | ; copy the data from kernel buffer to application buffer |
871 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 872 | shr ecx, 1 |
873 | jnc .nb |
||
874 | movsb |
||
875 | .nb: |
||
876 | shr ecx, 1 |
||
877 | jnc .nw |
||
878 | movsw |
||
879 | .nw: |
||
880 | test ecx, ecx |
||
881 | jz .nd |
||
3711 | clevermous | 882 | rep movsd |
3545 | hidnplayr | 883 | .nd: |
884 | |||
6011 | hidnplayr | 885 | call net_buff_free |
4219 | hidnplayr | 886 | pop ecx eax ; return number of bytes copied to application |
5976 | hidnplayr | 887 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
888 | je @f |
||
6011 | hidnplayr | 889 | call socket_notify ; Queue another network event |
5976 | hidnplayr | 890 | @@: |
891 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 892 | ret |
893 | |||
894 | .too_small: |
||
4219 | hidnplayr | 895 | mov ecx, -1 |
3704 | hidnplayr | 896 | push EMSGSIZE |
897 | pop ebx |
||
3565 | hidnplayr | 898 | ret |
3545 | hidnplayr | 899 | |
3658 | hidnplayr | 900 | .wouldblock: |
3704 | hidnplayr | 901 | push EWOULDBLOCK |
902 | pop ebx |
||
3658 | hidnplayr | 903 | ret |
3545 | hidnplayr | 904 | |
5976 | hidnplayr | 905 | .peek: |
906 | xor ebx, ebx |
||
907 | xor ecx, ecx |
||
908 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
||
909 | je @f |
||
910 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
||
911 | mov ecx, [esi + socket_queue_entry.data_size] |
||
912 | @@: |
||
913 | ret |
||
3658 | hidnplayr | 914 | |
7974 | hidnplayr | 915 | align 4 |
916 | socket_receive_tcp: |
||
3704 | hidnplayr | 917 | |
7974 | hidnplayr | 918 | call socket_receive_stream |
919 | |||
920 | test ecx, ecx |
||
921 | jz @f |
||
922 | push eax ebx ecx |
||
923 | call tcp_output |
||
924 | pop ecx ebx eax |
||
925 | @@: |
||
926 | |||
927 | ret |
||
928 | |||
929 | |||
3545 | hidnplayr | 930 | align 4 |
6011 | hidnplayr | 931 | socket_receive_local: |
3545 | hidnplayr | 932 | |
933 | ; does this socket have a PID yet? |
||
934 | cmp [eax + SOCKET.PID], 0 |
||
935 | jne @f |
||
936 | |||
937 | ; Change PID to that of current process |
||
9692 | Doczom | 938 | mov ebx, [current_slot] |
939 | mov ebx, [ebx + APPDATA.tid] |
||
3545 | hidnplayr | 940 | mov [eax + SOCKET.PID], ebx |
3704 | hidnplayr | 941 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 942 | @@: |
943 | |||
6011 | hidnplayr | 944 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
3545 | hidnplayr | 945 | |
3704 | hidnplayr | 946 | ; ... continue to SOCKET_receive_stream |
947 | |||
3545 | hidnplayr | 948 | align 4 |
6011 | hidnplayr | 949 | socket_receive_stream: |
3545 | hidnplayr | 950 | |
3556 | hidnplayr | 951 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 952 | |
7680 | hidnplayr | 953 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
3704 | hidnplayr | 954 | je .wouldblock |
955 | |||
956 | test edi, MSG_PEEK |
||
957 | jnz .peek |
||
958 | |||
3545 | hidnplayr | 959 | mov ecx, esi |
960 | mov edi, edx |
||
961 | xor edx, edx |
||
962 | |||
4219 | hidnplayr | 963 | push eax |
3545 | hidnplayr | 964 | add eax, STREAM_SOCKET.rcv |
6011 | hidnplayr | 965 | call socket_ring_read ; copy data from kernel buffer to application buffer |
966 | call socket_ring_free ; free read memory |
||
4219 | hidnplayr | 967 | pop eax |
3545 | hidnplayr | 968 | |
7680 | hidnplayr | 969 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
5364 | hidnplayr | 970 | jne .more_data |
3704 | hidnplayr | 971 | xor ebx, ebx ; errorcode = 0 (no error) |
3545 | hidnplayr | 972 | ret |
973 | |||
5364 | hidnplayr | 974 | .more_data: |
6011 | hidnplayr | 975 | call socket_notify ; Queue another network event |
5364 | hidnplayr | 976 | xor ebx, ebx ; errorcode = 0 (no error) |
977 | ret |
||
978 | |||
3704 | hidnplayr | 979 | .wouldblock: |
980 | push EWOULDBLOCK |
||
981 | pop ebx |
||
4219 | hidnplayr | 982 | xor ecx, ecx |
3704 | hidnplayr | 983 | ret |
984 | |||
3545 | hidnplayr | 985 | .peek: |
7680 | hidnplayr | 986 | mov ecx, [eax + STREAM_SOCKET.rcv.size] |
3704 | hidnplayr | 987 | xor ebx, ebx |
3545 | hidnplayr | 988 | ret |
989 | |||
990 | |||
5976 | hidnplayr | 991 | ;-----------------------------------------------------------------; |
992 | ; ; |
||
6011 | hidnplayr | 993 | ; socket_send: Send some data to the remote end. ; |
5976 | hidnplayr | 994 | ; ; |
995 | ; IN: ecx = socket number ; |
||
996 | ; edx = pointer to data ; |
||
997 | ; esi = data length ; |
||
998 | ; edi = flags ; |
||
999 | ; ; |
||
1000 | ; OUT: eax = number of bytes sent ; |
||
1001 | ; eax = -1 on error ; |
||
1002 | ; ebx = errorcode on error ; |
||
1003 | ; ; |
||
1004 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1005 | align 4 |
6011 | hidnplayr | 1006 | socket_send: |
3545 | hidnplayr | 1007 | |
3556 | hidnplayr | 1008 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 1009 | |
6011 | hidnplayr | 1010 | call socket_num_to_ptr |
5969 | hidnplayr | 1011 | test eax, eax |
3658 | hidnplayr | 1012 | jz .invalid |
3545 | hidnplayr | 1013 | |
9049 | hidnplayr | 1014 | stdcall is_region_userspace, edx, esi |
1015 | jnz .invalid |
||
1016 | |||
3545 | hidnplayr | 1017 | mov ecx, esi |
1018 | mov esi, edx |
||
1019 | |||
1020 | jmp [eax + SOCKET.snd_proc] |
||
1021 | |||
3658 | hidnplayr | 1022 | .invalid: |
9917 | Doczom | 1023 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1024 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 1025 | ret |
3545 | hidnplayr | 1026 | |
3658 | hidnplayr | 1027 | |
3545 | hidnplayr | 1028 | align 4 |
6011 | hidnplayr | 1029 | socket_send_udp: |
3545 | hidnplayr | 1030 | |
3556 | hidnplayr | 1031 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 1032 | |
9917 | Doczom | 1033 | mov [esp + SYSCALL_STACK.eax], ecx |
6011 | hidnplayr | 1034 | call udp_output |
3545 | hidnplayr | 1035 | cmp eax, -1 |
3658 | hidnplayr | 1036 | je .error |
3545 | hidnplayr | 1037 | ret |
1038 | |||
3658 | hidnplayr | 1039 | .error: |
9917 | Doczom | 1040 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1041 | mov dword[esp + SYSCALL_STACK.ebx], EMSGSIZE ; FIXME: UDP_output should return error codes! |
||
3658 | hidnplayr | 1042 | ret |
3545 | hidnplayr | 1043 | |
3658 | hidnplayr | 1044 | |
3545 | hidnplayr | 1045 | align 4 |
6011 | hidnplayr | 1046 | socket_send_tcp: |
3545 | hidnplayr | 1047 | |
3556 | hidnplayr | 1048 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1049 | |
1050 | push eax |
||
1051 | add eax, STREAM_SOCKET.snd |
||
6011 | hidnplayr | 1052 | call socket_ring_write |
3545 | hidnplayr | 1053 | pop eax |
1054 | |||
9917 | Doczom | 1055 | mov [esp + SYSCALL_STACK.eax], ecx |
3658 | hidnplayr | 1056 | mov [eax + SOCKET.errorcode], 0 |
1057 | push eax |
||
6011 | hidnplayr | 1058 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
3658 | hidnplayr | 1059 | pop eax |
1060 | mov eax, [eax + SOCKET.errorcode] |
||
9917 | Doczom | 1061 | mov [esp + SYSCALL_STACK.ebx], eax |
3545 | hidnplayr | 1062 | ret |
1063 | |||
1064 | |||
1065 | align 4 |
||
6011 | hidnplayr | 1066 | socket_send_ip: |
3545 | hidnplayr | 1067 | |
3556 | hidnplayr | 1068 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1069 | |
9917 | Doczom | 1070 | mov [esp + SYSCALL_STACK.eax], ecx |
6011 | hidnplayr | 1071 | call ipv4_output_raw |
3545 | hidnplayr | 1072 | cmp eax, -1 |
3658 | hidnplayr | 1073 | je .error |
3545 | hidnplayr | 1074 | ret |
1075 | |||
3658 | hidnplayr | 1076 | .error: |
9917 | Doczom | 1077 | mov dword[esp + SYSCALL_STACK.eax], eax |
1078 | mov dword[esp + SYSCALL_STACK.ebx], ebx |
||
3658 | hidnplayr | 1079 | ret |
3545 | hidnplayr | 1080 | |
3658 | hidnplayr | 1081 | |
3545 | hidnplayr | 1082 | align 4 |
6011 | hidnplayr | 1083 | socket_send_icmp: |
3545 | hidnplayr | 1084 | |
3556 | hidnplayr | 1085 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1086 | |
9917 | Doczom | 1087 | mov [esp + SYSCALL_STACK.eax], ecx |
6011 | hidnplayr | 1088 | call icmp_output_raw |
3545 | hidnplayr | 1089 | cmp eax, -1 |
3658 | hidnplayr | 1090 | je .error |
3545 | hidnplayr | 1091 | ret |
1092 | |||
3658 | hidnplayr | 1093 | .error: |
9917 | Doczom | 1094 | mov dword[esp + SYSCALL_STACK.eax], eax |
1095 | mov dword[esp + SYSCALL_STACK.ebx], ebx |
||
3658 | hidnplayr | 1096 | ret |
3545 | hidnplayr | 1097 | |
3658 | hidnplayr | 1098 | |
9049 | hidnplayr | 1099 | ;align 4 |
1100 | ;socket_send_pppoe: |
||
1101 | ; |
||
1102 | ; DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
||
1103 | ; |
||
9917 | Doczom | 1104 | ; mov [esp + SYSCALL_STACK.eax], ecx |
9049 | hidnplayr | 1105 | ; mov ebx, [eax + SOCKET.device] |
1106 | ; |
||
1107 | ; call pppoe_discovery_output ; FIXME: errorcodes |
||
1108 | ; cmp eax, -1 |
||
1109 | ; je .error |
||
1110 | ; ret |
||
1111 | ; |
||
1112 | ; .error: |
||
9917 | Doczom | 1113 | ; mov dword[esp + SYSCALL_STACK.eax], -1 |
1114 | ; mov dword[esp + SYSCALL_STACK.ebx], EMSGSIZE |
||
9049 | hidnplayr | 1115 | ; ret |
3545 | hidnplayr | 1116 | |
1117 | |||
1118 | |||
1119 | align 4 |
||
6011 | hidnplayr | 1120 | socket_send_local: |
3545 | hidnplayr | 1121 | |
1122 | ; does this socket have a PID yet? |
||
1123 | cmp [eax + SOCKET.PID], 0 |
||
1124 | jne @f |
||
1125 | |||
1126 | ; Change PID to that of current process |
||
9692 | Doczom | 1127 | mov ebx, [current_slot] |
1128 | mov ebx, [ebx + APPDATA.tid] |
||
3545 | hidnplayr | 1129 | mov [eax + SOCKET.PID], ebx |
1130 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1131 | @@: |
||
6011 | hidnplayr | 1132 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
3545 | hidnplayr | 1133 | |
1134 | align 4 |
||
6011 | hidnplayr | 1135 | socket_send_local_initialized: |
3545 | hidnplayr | 1136 | |
3556 | hidnplayr | 1137 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1138 | |
1139 | ; get the other side's socket and check if it still exists |
||
1140 | mov eax, [eax + SOCKET.device] |
||
6011 | hidnplayr | 1141 | call socket_check |
3658 | hidnplayr | 1142 | jz .invalid |
3545 | hidnplayr | 1143 | |
1144 | ; allright, shove in the data! |
||
1145 | push eax |
||
1146 | add eax, STREAM_SOCKET.rcv |
||
6011 | hidnplayr | 1147 | call socket_ring_write |
3545 | hidnplayr | 1148 | pop eax |
1149 | |||
1150 | ; return the number of written bytes (or errorcode) to application |
||
9917 | Doczom | 1151 | mov [esp + SYSCALL_STACK.eax], ecx |
3545 | hidnplayr | 1152 | |
1153 | ; and notify the other end |
||
6011 | hidnplayr | 1154 | call socket_notify |
3545 | hidnplayr | 1155 | |
1156 | ret |
||
1157 | |||
3658 | hidnplayr | 1158 | .invalid: |
9917 | Doczom | 1159 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1160 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
||
3658 | hidnplayr | 1161 | ret |
3545 | hidnplayr | 1162 | |
3658 | hidnplayr | 1163 | |
5976 | hidnplayr | 1164 | ;-----------------------------------------------------------------; |
1165 | ; ; |
||
6011 | hidnplayr | 1166 | ; socket_get_opt: Read a socket option ; |
5976 | hidnplayr | 1167 | ; ; |
1168 | ; IN: ecx = socket number ; |
||
1169 | ; edx = pointer to socket options struct ; |
||
1170 | ; ; |
||
1171 | ; OUT: eax = 0 on success ; |
||
1172 | ; eax = -1 on error ; |
||
1173 | ; ebx = errorcode on error ; |
||
1174 | ; ; |
||
1175 | ;-----------------------------------------------------------------; |
||
1176 | align 4 |
||
6011 | hidnplayr | 1177 | socket_get_opt: |
5976 | hidnplayr | 1178 | |
1179 | ; FIXME: |
||
3545 | hidnplayr | 1180 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1181 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1182 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1183 | |||
3556 | hidnplayr | 1184 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1185 | |
6011 | hidnplayr | 1186 | call socket_num_to_ptr |
5969 | hidnplayr | 1187 | test eax, eax |
3658 | hidnplayr | 1188 | jz .invalid |
3545 | hidnplayr | 1189 | |
1190 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1191 | jne .invalid |
3545 | hidnplayr | 1192 | cmp dword [edx+4], -2 |
1193 | je @f |
||
1194 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1195 | jne .invalid |
3545 | hidnplayr | 1196 | @@: |
1197 | ; mov eax, [edx+12] |
||
1198 | ; test eax, eax |
||
1199 | ; jz .fail |
||
1200 | ; cmp dword [eax], 4 |
||
1201 | ; mov dword [eax], 4 |
||
1202 | ; jb .fail |
||
1203 | ; stdcall net_socket_num_to_addr, ecx |
||
1204 | ; test eax, eax |
||
1205 | ; jz .fail |
||
1206 | ; ; todo: check that eax is really TCP socket |
||
1207 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1208 | ; cmp dword [edx+4], -2 |
||
1209 | ; jz @f |
||
1210 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1211 | @@: |
||
1212 | mov eax, [edx+8] |
||
1213 | test eax, eax |
||
1214 | jz @f |
||
1215 | mov [eax], ecx |
||
1216 | @@: |
||
9917 | Doczom | 1217 | mov dword [esp + SYSCALL_STACK.eax], 0 |
3545 | hidnplayr | 1218 | ret |
1219 | |||
3658 | hidnplayr | 1220 | .invalid: |
9917 | Doczom | 1221 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1222 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
||
3658 | hidnplayr | 1223 | ret |
3545 | hidnplayr | 1224 | |
1225 | |||
5976 | hidnplayr | 1226 | ;-----------------------------------------------------------------; |
1227 | ; ; |
||
6011 | hidnplayr | 1228 | ; socket_set_options: Set a socket option. ; |
5976 | hidnplayr | 1229 | ; ; |
1230 | ; IN: ecx = socket number ; |
||
1231 | ; edx = pointer to socket options struct ; |
||
1232 | ; ; |
||
1233 | ; OUT: eax = 0 on success ; |
||
1234 | ; eax = -1 on error ; |
||
1235 | ; ebx = errorcode on error ; |
||
1236 | ; ; |
||
1237 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1238 | align 4 |
6011 | hidnplayr | 1239 | socket_set_opt: |
3545 | hidnplayr | 1240 | |
3556 | hidnplayr | 1241 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1242 | |
6011 | hidnplayr | 1243 | call socket_num_to_ptr |
5969 | hidnplayr | 1244 | test eax, eax |
3658 | hidnplayr | 1245 | jz .invalid |
3545 | hidnplayr | 1246 | |
5842 | hidnplayr | 1247 | cmp [edx + socket_options.level], IP_PROTO_IP |
1248 | je .ip |
||
1249 | cmp [edx + socket_options.level], SOL_SOCKET |
||
3658 | hidnplayr | 1250 | jne .invalid |
3545 | hidnplayr | 1251 | |
5842 | hidnplayr | 1252 | .socket: |
1253 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
||
1254 | jne .invalid |
||
3545 | hidnplayr | 1255 | |
1256 | .bind: |
||
5842 | hidnplayr | 1257 | cmp [edx + socket_options.optlen], 0 |
3545 | hidnplayr | 1258 | je .unbind |
1259 | |||
5842 | hidnplayr | 1260 | movzx edx, byte[edx + socket_options.optval] |
3600 | hidnplayr | 1261 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1262 | ja .invalid |
3545 | hidnplayr | 1263 | |
7679 | hidnplayr | 1264 | mov edx, [net_device_list + 4*edx] |
3545 | hidnplayr | 1265 | test edx, edx |
3658 | hidnplayr | 1266 | jz .already |
3545 | hidnplayr | 1267 | mov [eax + SOCKET.device], edx |
1268 | |||
5584 | hidnplayr | 1269 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
3545 | hidnplayr | 1270 | |
9917 | Doczom | 1271 | mov dword[esp + SYSCALL_STACK.eax], 0 ; success! |
3545 | hidnplayr | 1272 | ret |
1273 | |||
1274 | .unbind: |
||
1275 | mov [eax + SOCKET.device], 0 |
||
1276 | |||
9917 | Doczom | 1277 | mov dword[esp + SYSCALL_STACK.eax], 0 ; success! |
3545 | hidnplayr | 1278 | ret |
1279 | |||
5842 | hidnplayr | 1280 | .ip: |
1281 | cmp [edx + socket_options.optname], IP_TTL |
||
1282 | jne .invalid |
||
1283 | |||
1284 | .ttl: |
||
1285 | mov bl, byte[edx + socket_options.optval] |
||
1286 | mov [eax + IP_SOCKET.ttl], bl |
||
1287 | |||
9917 | Doczom | 1288 | mov dword[esp + SYSCALL_STACK.eax], 0 ; success! |
5842 | hidnplayr | 1289 | ret |
1290 | |||
3658 | hidnplayr | 1291 | .already: |
9917 | Doczom | 1292 | mov dword[esp + SYSCALL_STACK.ebx], EALREADY |
1293 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
3658 | hidnplayr | 1294 | ret |
3545 | hidnplayr | 1295 | |
5842 | hidnplayr | 1296 | .invalid: |
9917 | Doczom | 1297 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
1298 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
5842 | hidnplayr | 1299 | ret |
3545 | hidnplayr | 1300 | |
3658 | hidnplayr | 1301 | |
1302 | |||
5842 | hidnplayr | 1303 | |
5976 | hidnplayr | 1304 | ;-----------------------------------------------------------------; |
1305 | ; ; |
||
6011 | hidnplayr | 1306 | ; socket_pair: Allocate a pair of linked local sockets. ; |
5976 | hidnplayr | 1307 | ; ; |
1308 | ; IN: / ; |
||
1309 | ; ; |
||
1310 | ; OUT: eax = socket1 num on success ; |
||
1311 | ; eax = -1 on error ; |
||
1312 | ; ebx = socket2 num on success ; |
||
1313 | ; ebx = errorcode on error ; |
||
1314 | ; ; |
||
1315 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1316 | align 4 |
6011 | hidnplayr | 1317 | socket_pair: |
3545 | hidnplayr | 1318 | |
3556 | hidnplayr | 1319 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1320 | |
6011 | hidnplayr | 1321 | call socket_alloc |
4535 | hidnplayr | 1322 | test eax, eax |
3658 | hidnplayr | 1323 | jz .nomem1 |
9917 | Doczom | 1324 | mov [esp + SYSCALL_STACK.eax], edi ; application's eax |
3545 | hidnplayr | 1325 | |
1326 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1327 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1328 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1329 | mov [eax + SOCKET.snd_proc], socket_send_local |
1330 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1331 | mov [eax + SOCKET.PID], 0 |
1332 | mov ebx, eax |
||
1333 | |||
6011 | hidnplayr | 1334 | call socket_alloc |
4535 | hidnplayr | 1335 | test eax, eax |
3658 | hidnplayr | 1336 | jz .nomem2 |
9917 | Doczom | 1337 | mov [esp + SYSCALL_STACK.ebx], edi ; application's ebx |
3545 | hidnplayr | 1338 | |
1339 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1340 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1341 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1342 | mov [eax + SOCKET.snd_proc], socket_send_local |
1343 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1344 | mov [eax + SOCKET.PID], 0 |
1345 | |||
1346 | ; Link the two sockets to eachother |
||
1347 | mov [eax + SOCKET.device], ebx |
||
1348 | mov [ebx + SOCKET.device], eax |
||
1349 | |||
1350 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1351 | call socket_ring_create |
5155 | hidnplayr | 1352 | test eax, eax |
5969 | hidnplayr | 1353 | jz .nomem2 |
3545 | hidnplayr | 1354 | |
1355 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1356 | call socket_ring_create |
5155 | hidnplayr | 1357 | test eax, eax |
1358 | jz .nomem2 |
||
3545 | hidnplayr | 1359 | |
1360 | ret |
||
1361 | |||
3658 | hidnplayr | 1362 | .nomem2: |
9917 | Doczom | 1363 | mov eax, [esp + SYSCALL_STACK.ebx] |
6011 | hidnplayr | 1364 | call socket_free |
5969 | hidnplayr | 1365 | |
3658 | hidnplayr | 1366 | .nomem1: |
9917 | Doczom | 1367 | mov eax, [esp + SYSCALL_STACK.eax] |
6011 | hidnplayr | 1368 | call socket_free |
5969 | hidnplayr | 1369 | |
9917 | Doczom | 1370 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1371 | mov dword[esp + SYSCALL_STACK.ebx], ENOMEM |
||
3658 | hidnplayr | 1372 | ret |
3545 | hidnplayr | 1373 | |
1374 | |||
1375 | |||
5976 | hidnplayr | 1376 | ;-----------------------------------------------------------------; |
1377 | ; ; |
||
6011 | hidnplayr | 1378 | ; socket_debug: Copy socket variables to application buffer. ; |
5976 | hidnplayr | 1379 | ; ; |
1380 | ; IN: ecx = socket number ; |
||
1381 | ; edx = pointer to application buffer ; |
||
1382 | ; ; |
||
1383 | ; OUT: eax = 0 on success ; |
||
1384 | ; eax = -1 on error ; |
||
1385 | ; ebx = errorcode on error ; |
||
1386 | ; ; |
||
1387 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1388 | align 4 |
6011 | hidnplayr | 1389 | socket_debug: |
3545 | hidnplayr | 1390 | |
3556 | hidnplayr | 1391 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1392 | |
1393 | mov edi, edx |
||
1394 | |||
1395 | test ecx, ecx |
||
1396 | jz .returnall |
||
1397 | |||
6011 | hidnplayr | 1398 | call socket_num_to_ptr |
5969 | hidnplayr | 1399 | test eax, eax |
3658 | hidnplayr | 1400 | jz .invalid |
3545 | hidnplayr | 1401 | |
9049 | hidnplayr | 1402 | stdcall is_region_userspace, edi, SOCKET_STRUCT_SIZE |
1403 | jnz .invalid |
||
1404 | |||
3545 | hidnplayr | 1405 | mov esi, eax |
6413 | hidnplayr | 1406 | mov ecx, SOCKET_STRUCT_SIZE/4 |
3711 | clevermous | 1407 | rep movsd |
3545 | hidnplayr | 1408 | |
3658 | hidnplayr | 1409 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1410 | ret |
1411 | |||
1412 | .returnall: |
||
1413 | mov ebx, net_sockets |
||
1414 | .next_socket: |
||
1415 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1416 | test ebx, ebx |
||
1417 | jz .done |
||
1418 | mov eax, [ebx + SOCKET.Number] |
||
1419 | stosd |
||
1420 | jmp .next_socket |
||
1421 | .done: |
||
1422 | xor eax, eax |
||
1423 | stosd |
||
9917 | Doczom | 1424 | mov dword[esp + SYSCALL_STACK.eax], eax |
3658 | hidnplayr | 1425 | ret |
3545 | hidnplayr | 1426 | |
3658 | hidnplayr | 1427 | .invalid: |
9917 | Doczom | 1428 | mov dword[esp + SYSCALL_STACK.eax], -1 |
1429 | mov dword[esp + SYSCALL_STACK.ebx], EINVAL |
||
3545 | hidnplayr | 1430 | ret |
1431 | |||
1432 | |||
5976 | hidnplayr | 1433 | ;-----------------------------------------------------------------; |
1434 | ; ____ ____ ; |
||
1435 | ; \ / End of sockets API \ / ; |
||
1436 | ; \/ \/ ; |
||
1437 | ; () Internally used functions follow () ; |
||
1438 | ; ; |
||
1439 | ;-----------------------------------------------------------------; |
||
1440 | |||
1441 | |||
1442 | ;-----------------------------------------------------------------; |
||
1443 | ; ; |
||
6011 | hidnplayr | 1444 | ; socket_find_port: ; |
5976 | hidnplayr | 1445 | ; Fill in the local port number for TCP and UDP sockets ; |
1446 | ; This procedure always works because the number of sockets is ; |
||
1447 | ; limited to a smaller number then the number of possible ports ; |
||
1448 | ; ; |
||
1449 | ; IN: eax = socket pointer ; |
||
1450 | ; ; |
||
1451 | ; OUT: / ; |
||
1452 | ; ; |
||
1453 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1454 | align 4 |
6011 | hidnplayr | 1455 | socket_find_port: |
3545 | hidnplayr | 1456 | |
3556 | hidnplayr | 1457 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1458 | |
1459 | push ebx esi ecx |
||
1460 | |||
1461 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1462 | je .udp |
||
1463 | |||
1464 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1465 | je .tcp |
||
1466 | |||
1467 | pop ecx esi ebx |
||
1468 | ret |
||
1469 | |||
1470 | .udp: |
||
1471 | mov bx, [last_UDP_port] |
||
1472 | call .findit |
||
1473 | mov [last_UDP_port], bx |
||
1474 | |||
1475 | pop ecx esi ebx |
||
1476 | ret |
||
1477 | |||
1478 | .tcp: |
||
1479 | mov bx, [last_TCP_port] |
||
1480 | call .findit |
||
1481 | mov [last_TCP_port], bx |
||
1482 | |||
1483 | pop ecx esi ebx |
||
1484 | ret |
||
1485 | |||
1486 | |||
1487 | .restart: |
||
1488 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1489 | .findit: |
||
1490 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1491 | je .restart |
||
1492 | |||
1493 | add bh, 1 |
||
1494 | adc bl, 0 |
||
1495 | |||
6011 | hidnplayr | 1496 | call socket_check_port |
3545 | hidnplayr | 1497 | jz .findit |
1498 | ret |
||
1499 | |||
1500 | |||
1501 | |||
5976 | hidnplayr | 1502 | ;-----------------------------------------------------------------; |
1503 | ; ; |
||
6011 | hidnplayr | 1504 | ; socket_check_port: (to be used with AF_INET only!) ; |
5976 | hidnplayr | 1505 | ; Checks if a local port number is unused ; |
1506 | ; If the proposed port number is unused, it is filled in in the ; |
||
6011 | hidnplayr | 1507 | ; socket structure. ; |
5976 | hidnplayr | 1508 | ; ; |
1509 | ; IN: eax = socket ptr ; |
||
1510 | ; bx = proposed socket number (network byte order) ; |
||
1511 | ; ; |
||
1512 | ; OUT: ZF = set on error ; |
||
1513 | ; ; |
||
1514 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1515 | align 4 |
6011 | hidnplayr | 1516 | socket_check_port: |
3545 | hidnplayr | 1517 | |
3556 | hidnplayr | 1518 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1519 | |
3647 | hidnplayr | 1520 | pusha |
1521 | mov ecx, socket_mutex |
||
1522 | call mutex_lock |
||
1523 | popa |
||
1524 | |||
3545 | hidnplayr | 1525 | mov ecx, [eax + SOCKET.Protocol] |
1526 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1527 | mov esi, net_sockets |
||
1528 | |||
1529 | .next_socket: |
||
1530 | mov esi, [esi + SOCKET.NextPtr] |
||
1531 | or esi, esi |
||
1532 | jz .port_ok |
||
1533 | |||
1534 | cmp [esi + SOCKET.Protocol], ecx |
||
1535 | jne .next_socket |
||
1536 | |||
1537 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1538 | jne .next_socket |
||
1539 | |||
1540 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1541 | jne .next_socket |
||
1542 | |||
3647 | hidnplayr | 1543 | pusha |
1544 | mov ecx, socket_mutex |
||
1545 | call mutex_unlock |
||
1546 | popa |
||
1547 | |||
3556 | hidnplayr | 1548 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x already in use\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1549 | ret |
1550 | |||
1551 | .port_ok: |
||
3647 | hidnplayr | 1552 | pusha |
1553 | mov ecx, socket_mutex |
||
1554 | call mutex_unlock |
||
1555 | popa |
||
1556 | |||
3556 | hidnplayr | 1557 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1558 | mov [eax + UDP_SOCKET.LocalPort], bx |
1559 | or bx, bx ; clear the zero-flag |
||
1560 | ret |
||
1561 | |||
1562 | |||
1563 | |||
5976 | hidnplayr | 1564 | ;-----------------------------------------------------------------; |
1565 | ; ; |
||
6011 | hidnplayr | 1566 | ; socket_input: Update a (stateless) socket with received data. ; |
5976 | hidnplayr | 1567 | ; ; |
1568 | ; Note: The socket's mutex should already be set ! ; |
||
1569 | ; ; |
||
1570 | ; IN: eax = socket ptr ; |
||
1571 | ; ecx = data size ; |
||
1572 | ; esi = ptr to data ; |
||
1573 | ; [esp] = ptr to buf ; |
||
1574 | ; ; |
||
1575 | ; OUT: / ; |
||
1576 | ; ; |
||
1577 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1578 | align 4 |
6011 | hidnplayr | 1579 | socket_input: |
3545 | hidnplayr | 1580 | |
3556 | hidnplayr | 1581 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1582 | |
5522 | hidnplayr | 1583 | push ecx |
3545 | hidnplayr | 1584 | push esi |
1585 | mov esi, esp |
||
1586 | |||
6011 | hidnplayr | 1587 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
3545 | hidnplayr | 1588 | |
3556 | hidnplayr | 1589 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1590 | add esp, sizeof.socket_queue_entry |
1591 | |||
1592 | pusha |
||
1593 | lea ecx, [eax + SOCKET.mutex] |
||
1594 | call mutex_unlock |
||
1595 | popa |
||
1596 | |||
6011 | hidnplayr | 1597 | jmp socket_notify |
3545 | hidnplayr | 1598 | |
1599 | .full: |
||
7680 | hidnplayr | 1600 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1601 | |
1602 | pusha |
||
1603 | lea ecx, [eax + SOCKET.mutex] |
||
1604 | call mutex_unlock |
||
1605 | popa |
||
1606 | |||
5842 | hidnplayr | 1607 | add esp, 8 |
6011 | hidnplayr | 1608 | call net_buff_free |
3545 | hidnplayr | 1609 | ret |
1610 | |||
1611 | |||
5976 | hidnplayr | 1612 | ;-----------------------------------------------------------------; |
1613 | ; ; |
||
6011 | hidnplayr | 1614 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
5976 | hidnplayr | 1615 | ; ; |
1616 | ; IN: eax = ptr to ring struct ; |
||
1617 | ; ; |
||
1618 | ; OUT: eax = 0 on error ; |
||
1619 | ; eax = start ptr ; |
||
1620 | ; ; |
||
1621 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1622 | align 4 |
6011 | hidnplayr | 1623 | socket_ring_create: |
3545 | hidnplayr | 1624 | |
1625 | push esi |
||
1626 | mov esi, eax |
||
1627 | |||
1628 | push edx |
||
6413 | hidnplayr | 1629 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
3545 | hidnplayr | 1630 | pop edx |
5155 | hidnplayr | 1631 | test eax, eax |
1632 | jz .fail |
||
3545 | hidnplayr | 1633 | |
5969 | hidnplayr | 1634 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
3545 | hidnplayr | 1635 | |
1636 | pusha |
||
1637 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1638 | call mutex_init |
||
1639 | popa |
||
1640 | |||
1641 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1642 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1643 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1644 | mov [esi + RING_BUFFER.size], 0 |
||
6413 | hidnplayr | 1645 | add eax, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1646 | mov [esi + RING_BUFFER.end_ptr], eax |
1647 | mov eax, esi |
||
1648 | |||
5969 | hidnplayr | 1649 | pop esi |
1650 | ret |
||
1651 | |||
5155 | hidnplayr | 1652 | .fail: |
5969 | hidnplayr | 1653 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
5566 | hidnplayr | 1654 | pop esi |
3545 | hidnplayr | 1655 | ret |
1656 | |||
5976 | hidnplayr | 1657 | ;-----------------------------------------------------------------; |
1658 | ; ; |
||
6011 | hidnplayr | 1659 | ; socket_ring_write: Write data to ring buffer. ; |
5976 | hidnplayr | 1660 | ; ; |
1661 | ; IN: eax = ptr to ring struct ; |
||
1662 | ; ecx = data size ; |
||
1663 | ; esi = ptr to data ; |
||
1664 | ; ; |
||
1665 | ; OUT: ecx = number of bytes stored ; |
||
1666 | ; ; |
||
1667 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1668 | align 4 |
6011 | hidnplayr | 1669 | socket_ring_write: |
3545 | hidnplayr | 1670 | |
3556 | hidnplayr | 1671 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1672 | |
1673 | ; lock mutex |
||
1674 | pusha |
||
1675 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1676 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1677 | popa |
||
1678 | |||
1679 | ; calculate available size |
||
6413 | hidnplayr | 1680 | mov edi, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1681 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1682 | cmp ecx, edi |
||
1683 | jbe .copy |
||
1684 | mov ecx, edi |
||
1685 | .copy: |
||
1686 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1687 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1688 | |
1689 | ; update write ptr |
||
1690 | push edi |
||
1691 | add edi, ecx |
||
1692 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1693 | jb @f |
||
6413 | hidnplayr | 1694 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
3545 | hidnplayr | 1695 | @@: |
1696 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1697 | pop edi |
||
1698 | |||
1699 | ; update size |
||
1700 | add [eax + RING_BUFFER.size], ecx |
||
1701 | |||
1702 | ; copy the data |
||
1703 | push ecx |
||
1704 | shr ecx, 1 |
||
1705 | jnc .nb |
||
1706 | movsb |
||
1707 | .nb: |
||
1708 | shr ecx, 1 |
||
1709 | jnc .nw |
||
1710 | movsw |
||
1711 | .nw: |
||
1712 | test ecx, ecx |
||
1713 | jz .nd |
||
3711 | clevermous | 1714 | rep movsd |
3545 | hidnplayr | 1715 | .nd: |
1716 | pop ecx |
||
1717 | |||
1718 | ; unlock mutex |
||
4344 | hidnplayr | 1719 | pusha |
3545 | hidnplayr | 1720 | lea ecx, [eax + RING_BUFFER.mutex] |
1721 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
4344 | hidnplayr | 1722 | popa |
3545 | hidnplayr | 1723 | |
1724 | ret |
||
1725 | |||
5976 | hidnplayr | 1726 | ;-----------------------------------------------------------------; |
1727 | ; ; |
||
6011 | hidnplayr | 1728 | ; socket_ring_read: Read from ring buffer ; |
5976 | hidnplayr | 1729 | ; ; |
1730 | ; IN: eax = ring struct ptr ; |
||
1731 | ; ecx = bytes to read ; |
||
1732 | ; edx = offset ; |
||
1733 | ; edi = ptr to buffer start ; |
||
1734 | ; ; |
||
1735 | ; OUT: eax = unchanged ; |
||
1736 | ; ecx = number of bytes read (0 on error) ; |
||
1737 | ; edx = destroyed ; |
||
1738 | ; esi = destroyed ; |
||
1739 | ; edi = ptr to buffer end ; |
||
1740 | ; ; |
||
1741 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1742 | align 4 |
6011 | hidnplayr | 1743 | socket_ring_read: |
3545 | hidnplayr | 1744 | |
3556 | hidnplayr | 1745 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1746 | |
1747 | pusha |
||
1748 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1749 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1750 | popa |
||
1751 | |||
1752 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1753 | add esi, edx ; esi = start_ptr + offset |
||
1754 | |||
1755 | neg edx |
||
1756 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1757 | jle .no_data_at_all |
||
1758 | |||
1759 | pusha |
||
1760 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1761 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1762 | popa |
||
1763 | |||
1764 | cmp ecx, edx |
||
1765 | ja .less_data |
||
1766 | |||
1767 | .copy: |
||
3556 | hidnplayr | 1768 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1769 | push ecx |
1770 | shr ecx, 1 |
||
1771 | jnc .nb |
||
1772 | movsb |
||
1773 | .nb: |
||
1774 | shr ecx, 1 |
||
1775 | jnc .nw |
||
1776 | movsw |
||
1777 | .nw: |
||
1778 | test ecx, ecx |
||
1779 | jz .nd |
||
3711 | clevermous | 1780 | rep movsd |
3545 | hidnplayr | 1781 | .nd: |
1782 | pop ecx |
||
1783 | ret |
||
1784 | |||
1785 | .no_data_at_all: |
||
1786 | pusha |
||
1787 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1788 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1789 | popa |
||
1790 | |||
7680 | hidnplayr | 1791 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1792 | xor ecx, ecx |
1793 | ret |
||
1794 | |||
1795 | .less_data: |
||
1796 | mov ecx, edx |
||
1797 | jmp .copy |
||
1798 | |||
1799 | |||
5976 | hidnplayr | 1800 | ;-----------------------------------------------------------------; |
1801 | ; ; |
||
6011 | hidnplayr | 1802 | ; socket_ring_free: Free data from a ringbuffer. ; |
5976 | hidnplayr | 1803 | ; ; |
1804 | ; IN: eax = ptr to ring struct ; |
||
1805 | ; ecx = data size ; |
||
1806 | ; ; |
||
1807 | ; OUT: ecx = number of freed bytes ; |
||
1808 | ; ; |
||
1809 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1810 | align 4 |
6011 | hidnplayr | 1811 | socket_ring_free: |
3545 | hidnplayr | 1812 | |
3556 | hidnplayr | 1813 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1814 | |
1815 | push eax ecx |
||
1816 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1817 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1818 | pop ecx eax |
||
1819 | |||
1820 | sub [eax + RING_BUFFER.size], ecx |
||
1821 | jb .error |
||
1822 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1823 | |||
1824 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1825 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1826 | jb @f |
||
6413 | hidnplayr | 1827 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1828 | @@: |
1829 | |||
1830 | push eax ecx |
||
1831 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1832 | call mutex_unlock |
||
1833 | pop ecx eax |
||
1834 | |||
1835 | ret |
||
1836 | |||
1837 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
7680 | hidnplayr | 1838 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1839 | add [eax + RING_BUFFER.size], ecx |
1840 | |||
1841 | push eax |
||
1842 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1843 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1844 | pop eax |
||
1845 | |||
1846 | xor ecx, ecx |
||
1847 | ret |
||
1848 | |||
1849 | |||
5976 | hidnplayr | 1850 | ;-----------------------------------------------------------------; |
1851 | ; ; |
||
6011 | hidnplayr | 1852 | ; socket_block: Suspend the thread attached to a socket. ; |
5976 | hidnplayr | 1853 | ; ; |
1854 | ; IN: eax = socket ptr ; |
||
1855 | ; ; |
||
1856 | ; OUT: eax = unchanged ; |
||
1857 | ; ; |
||
1858 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1859 | align 4 |
6011 | hidnplayr | 1860 | socket_block: |
3545 | hidnplayr | 1861 | |
6908 | ashmew2 | 1862 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1863 | |
4520 | hidnplayr | 1864 | push eax |
1865 | |||
3545 | hidnplayr | 1866 | pushf |
1867 | cli |
||
1868 | ; Set the 'socket is blocked' flag |
||
1869 | or [eax + SOCKET.state], SS_BLOCKED |
||
1870 | |||
1871 | ; Suspend the thread |
||
1872 | push edx |
||
9692 | Doczom | 1873 | mov edx, [current_slot] |
9709 | Doczom | 1874 | mov [edx + APPDATA.state], TSTATE_RUN_SUSPENDED |
3545 | hidnplayr | 1875 | |
1876 | ; Remember the thread ID so we can wake it up again |
||
9692 | Doczom | 1877 | mov edx, [edx + APPDATA.tid] |
3556 | hidnplayr | 1878 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1879 | mov [eax + SOCKET.TID], edx |
1880 | pop edx |
||
4520 | hidnplayr | 1881 | popf |
3545 | hidnplayr | 1882 | |
1883 | call change_task |
||
3674 | hidnplayr | 1884 | pop eax |
3545 | hidnplayr | 1885 | |
6908 | ashmew2 | 1886 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
3545 | hidnplayr | 1887 | |
1888 | ret |
||
1889 | |||
1890 | |||
5976 | hidnplayr | 1891 | ;-----------------------------------------------------------------; |
1892 | ; ; |
||
6011 | hidnplayr | 1893 | ; socket_notify: Wake up socket owner thread. ; |
5976 | hidnplayr | 1894 | ; ; |
1895 | ; IN: eax = socket ptr ; |
||
1896 | ; ; |
||
1897 | ; OUT: eax = unchanged ; |
||
1898 | ; ; |
||
1899 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1900 | align 4 |
6011 | hidnplayr | 1901 | socket_notify: |
3545 | hidnplayr | 1902 | |
3556 | hidnplayr | 1903 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1904 | |
6011 | hidnplayr | 1905 | call socket_check |
3545 | hidnplayr | 1906 | jz .error |
1907 | |||
9917 | Doczom | 1908 | ; Find the associated thread's |
4527 | hidnplayr | 1909 | push ebx ecx esi |
1910 | mov ebx, [eax + SOCKET.TID] |
||
1911 | test ebx, ebx |
||
1912 | jz .error2 |
||
1913 | xor ecx, ecx |
||
3545 | hidnplayr | 1914 | inc ecx |
9692 | Doczom | 1915 | mov esi, SLOT_BASE + sizeof.APPDATA |
4527 | hidnplayr | 1916 | .next: |
9692 | Doczom | 1917 | cmp [esi + APPDATA.tid], ebx |
4527 | hidnplayr | 1918 | je .found |
1919 | inc ecx |
||
9692 | Doczom | 1920 | add esi, sizeof.APPDATA |
8866 | rgimad | 1921 | cmp ecx, [thread_count] |
4527 | hidnplayr | 1922 | jbe .next |
1923 | |||
1924 | .error2: |
||
3545 | hidnplayr | 1925 | ; PID not found, TODO: close socket! |
4527 | hidnplayr | 1926 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1927 | pop esi ecx ebx |
||
1928 | ret |
||
3545 | hidnplayr | 1929 | |
4527 | hidnplayr | 1930 | .error: |
4528 | hidnplayr | 1931 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
4527 | hidnplayr | 1932 | ret |
1933 | |||
1934 | .found: |
||
1935 | test [eax + SOCKET.state], SS_BLOCKED |
||
4528 | hidnplayr | 1936 | jnz .un_block |
4527 | hidnplayr | 1937 | |
5976 | hidnplayr | 1938 | ; Socket and thread exists and socket is of non blocking type. |
4527 | hidnplayr | 1939 | ; We'll try to flag an event to the thread. |
9917 | Doczom | 1940 | or [esi + APPDATA.occurred_events], EVENT_NETWORK |
3545 | hidnplayr | 1941 | |
6413 | hidnplayr | 1942 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
4527 | hidnplayr | 1943 | pop esi ecx ebx |
1944 | ret |
||
3545 | hidnplayr | 1945 | |
4527 | hidnplayr | 1946 | |
4528 | hidnplayr | 1947 | .un_block: |
5976 | hidnplayr | 1948 | ; Socket and thread exists and socket is of blocking type |
4527 | hidnplayr | 1949 | ; We'll try to unblock it. |
1950 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
||
9917 | Doczom | 1951 | mov [esi + APPDATA.state], TSTATE_RUNNING ; Run the thread |
3545 | hidnplayr | 1952 | |
6908 | ashmew2 | 1953 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
4527 | hidnplayr | 1954 | pop esi ecx ebx |
3545 | hidnplayr | 1955 | ret |
1956 | |||
1957 | |||
5976 | hidnplayr | 1958 | ;-----------------------------------------------------------------; |
1959 | ; ; |
||
6011 | hidnplayr | 1960 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1961 | ; into the list. Newly created socket is initialized with calling ; |
||
1962 | ; PID and given a socket number. ; |
||
5976 | hidnplayr | 1963 | ; ; |
1964 | ; IN: / ; |
||
1965 | ; ; |
||
1966 | ; OUT: eax = socket ptr on success ; |
||
1967 | ; eax = 0 on error ; |
||
1968 | ; edi = socket number on success ; |
||
1969 | ; ; |
||
1970 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1971 | align 4 |
6011 | hidnplayr | 1972 | socket_alloc: |
3545 | hidnplayr | 1973 | |
1974 | push ebx |
||
1975 | |||
6413 | hidnplayr | 1976 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
5969 | hidnplayr | 1977 | or eax, eax |
1978 | jz .nomem |
||
3556 | hidnplayr | 1979 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1980 | |
1981 | ; zero-initialize allocated memory |
||
1982 | push eax |
||
1983 | mov edi, eax |
||
6413 | hidnplayr | 1984 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
3545 | hidnplayr | 1985 | xor eax, eax |
3711 | clevermous | 1986 | rep stosd |
3545 | hidnplayr | 1987 | pop eax |
1988 | |||
1989 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1990 | mov [eax + SOCKET.snd_proc], .not_yet |
1991 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1992 | |
3647 | hidnplayr | 1993 | pusha |
1994 | mov ecx, socket_mutex |
||
1995 | call mutex_lock |
||
1996 | popa |
||
1997 | |||
3545 | hidnplayr | 1998 | ; find first free socket number and use it |
1999 | mov edi, [last_socket_num] |
||
2000 | .next_socket_number: |
||
2001 | inc edi |
||
2002 | jz .next_socket_number ; avoid socket nr 0 |
||
2003 | cmp edi, -1 |
||
2004 | je .next_socket_number ; avoid socket nr -1 |
||
2005 | mov ebx, net_sockets |
||
2006 | .next_socket: |
||
2007 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2008 | test ebx, ebx |
||
2009 | jz .last_socket |
||
2010 | |||
2011 | cmp [ebx + SOCKET.Number], edi |
||
2012 | jne .next_socket |
||
2013 | jmp .next_socket_number |
||
2014 | |||
2015 | .last_socket: |
||
2016 | mov [last_socket_num], edi |
||
2017 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 2018 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 2019 | |
2020 | ; Fill in PID |
||
9692 | Doczom | 2021 | mov ebx, [current_slot] |
2022 | mov ebx, [ebx + APPDATA.tid] |
||
3545 | hidnplayr | 2023 | mov [eax + SOCKET.PID], ebx |
2024 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
2025 | |||
2026 | ; init mutex |
||
2027 | pusha |
||
2028 | lea ecx, [eax + SOCKET.mutex] |
||
2029 | call mutex_init |
||
2030 | popa |
||
2031 | |||
2032 | ; add socket to the list by re-arranging some pointers |
||
2033 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2034 | |||
2035 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2036 | mov [eax + SOCKET.NextPtr], ebx |
||
2037 | |||
2038 | test ebx, ebx |
||
2039 | jz @f |
||
2040 | |||
2041 | pusha |
||
2042 | lea ecx, [ebx + SOCKET.mutex] |
||
2043 | call mutex_lock |
||
2044 | popa |
||
2045 | |||
2046 | mov [ebx + SOCKET.PrevPtr], eax |
||
2047 | |||
2048 | pusha |
||
2049 | lea ecx, [ebx + SOCKET.mutex] |
||
2050 | call mutex_unlock |
||
2051 | popa |
||
2052 | @@: |
||
2053 | |||
2054 | mov [net_sockets + SOCKET.NextPtr], eax |
||
3647 | hidnplayr | 2055 | |
2056 | pusha |
||
2057 | mov ecx, socket_mutex |
||
2058 | call mutex_unlock |
||
2059 | popa |
||
3545 | hidnplayr | 2060 | pop ebx |
2061 | |||
2062 | ret |
||
2063 | |||
5969 | hidnplayr | 2064 | .nomem: |
2065 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
||
2066 | pop ebx |
||
2067 | ret |
||
2068 | |||
3658 | hidnplayr | 2069 | .not_yet: |
3673 | hidnplayr | 2070 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2071 | mov dword[esp+32], -1 |
2072 | ret |
||
3545 | hidnplayr | 2073 | |
3658 | hidnplayr | 2074 | |
5976 | hidnplayr | 2075 | ;-----------------------------------------------------------------; |
2076 | ; ; |
||
6011 | hidnplayr | 2077 | ; socket_free: Free socket data memory and remove socket from ; |
2078 | ; the list. Caller should lock and unlock socket_mutex. ; |
||
5976 | hidnplayr | 2079 | ; ; |
2080 | ; IN: eax = socket ptr ; |
||
2081 | ; ; |
||
2082 | ; OUT: / ; |
||
2083 | ; ; |
||
2084 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2085 | align 4 |
6011 | hidnplayr | 2086 | socket_free: |
3545 | hidnplayr | 2087 | |
3556 | hidnplayr | 2088 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2089 | |
6011 | hidnplayr | 2090 | call socket_check |
3545 | hidnplayr | 2091 | jz .error |
2092 | |||
2093 | push ebx |
||
2094 | |||
2095 | pusha |
||
2096 | lea ecx, [eax + SOCKET.mutex] |
||
2097 | call mutex_lock |
||
2098 | popa |
||
2099 | |||
5969 | hidnplayr | 2100 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2101 | jne .no_stream |
||
3545 | hidnplayr | 2102 | |
2103 | mov ebx, eax |
||
5969 | hidnplayr | 2104 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2105 | je @f |
||
2106 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
||
2107 | @@: |
||
2108 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
||
2109 | je @f |
||
2110 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2111 | @@: |
||
3545 | hidnplayr | 2112 | mov eax, ebx |
5969 | hidnplayr | 2113 | .no_stream: |
3545 | hidnplayr | 2114 | |
3652 | hidnplayr | 2115 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2116 | push eax ; this will be passed to kernel_free |
2117 | mov ebx, [eax + SOCKET.NextPtr] |
||
2118 | mov eax, [eax + SOCKET.PrevPtr] |
||
2119 | |||
3556 | hidnplayr | 2120 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2121 | |
2122 | test eax, eax |
||
2123 | jz @f |
||
2124 | mov [eax + SOCKET.NextPtr], ebx |
||
2125 | @@: |
||
2126 | |||
2127 | test ebx, ebx |
||
2128 | jz @f |
||
2129 | mov [ebx + SOCKET.PrevPtr], eax |
||
2130 | @@: |
||
2131 | |||
2132 | call kernel_free |
||
2133 | pop ebx |
||
2134 | |||
3652 | hidnplayr | 2135 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2136 | |||
2137 | .error: |
||
3545 | hidnplayr | 2138 | ret |
2139 | |||
5969 | hidnplayr | 2140 | .error1: |
2141 | pop ebx |
||
5976 | hidnplayr | 2142 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
5969 | hidnplayr | 2143 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2144 | ret |
||
2145 | |||
5976 | hidnplayr | 2146 | ;-----------------------------------------------------------------; |
2147 | ; ; |
||
6011 | hidnplayr | 2148 | ; socket_fork: Create a child socket. ; |
5976 | hidnplayr | 2149 | ; ; |
2150 | ; IN: ebx = socket number ; |
||
2151 | ; ; |
||
2152 | ; OUT: eax = child socket number on success ; |
||
2153 | ; eax = 0 on error ; |
||
2154 | ; ; |
||
2155 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2156 | align 4 |
6011 | hidnplayr | 2157 | socket_fork: |
3545 | hidnplayr | 2158 | |
3556 | hidnplayr | 2159 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2160 | |
2161 | ; Exit if backlog queue is full |
||
2162 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2163 | cmp ax, [ebx + SOCKET.backlog] |
||
2164 | jae .fail |
||
2165 | |||
2166 | ; Allocate new socket |
||
2167 | push ebx |
||
6011 | hidnplayr | 2168 | call socket_alloc |
3545 | hidnplayr | 2169 | pop ebx |
4535 | hidnplayr | 2170 | test eax, eax |
3545 | hidnplayr | 2171 | jz .fail |
2172 | |||
2173 | push eax |
||
2174 | mov esi, esp |
||
2175 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2176 | pop eax |
||
2177 | |||
2178 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2179 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2180 | ; TID will be filled in later |
||
3545 | hidnplayr | 2181 | lea esi, [ebx + SOCKET.PID] |
2182 | lea edi, [eax + SOCKET.PID] |
||
2183 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2184 | rep movsd |
3545 | hidnplayr | 2185 | |
2186 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2187 | |||
3817 | hidnplayr | 2188 | ; Notify owner of parent socket |
2189 | push eax |
||
2190 | mov eax, ebx |
||
6011 | hidnplayr | 2191 | call socket_notify |
3817 | hidnplayr | 2192 | pop eax |
2193 | |||
3545 | hidnplayr | 2194 | ret |
2195 | |||
2196 | .fail2: |
||
2197 | add esp, 4+4+4 |
||
2198 | .fail: |
||
3556 | hidnplayr | 2199 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2200 | xor eax, eax |
2201 | ret |
||
2202 | |||
2203 | |||
5976 | hidnplayr | 2204 | ;-----------------------------------------------------------------; |
2205 | ; ; |
||
6011 | hidnplayr | 2206 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
5976 | hidnplayr | 2207 | ; ; |
2208 | ; IN: ecx = socket number ; |
||
2209 | ; ; |
||
2210 | ; OUT: eax = socket ptr ; |
||
2211 | ; eax = 0 on error ; |
||
2212 | ; ; |
||
2213 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2214 | align 4 |
6011 | hidnplayr | 2215 | socket_num_to_ptr: |
3545 | hidnplayr | 2216 | |
3556 | hidnplayr | 2217 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2218 | |
3647 | hidnplayr | 2219 | pusha |
2220 | mov ecx, socket_mutex |
||
2221 | call mutex_lock |
||
2222 | popa |
||
2223 | |||
3545 | hidnplayr | 2224 | mov eax, net_sockets |
2225 | .next_socket: |
||
2226 | mov eax, [eax + SOCKET.NextPtr] |
||
5969 | hidnplayr | 2227 | test eax, eax |
3545 | hidnplayr | 2228 | jz .error |
2229 | cmp [eax + SOCKET.Number], ecx |
||
2230 | jne .next_socket |
||
2231 | |||
3647 | hidnplayr | 2232 | pusha |
2233 | mov ecx, socket_mutex |
||
2234 | call mutex_unlock |
||
2235 | popa |
||
2236 | |||
3556 | hidnplayr | 2237 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2238 | ret |
2239 | |||
2240 | .error: |
||
3647 | hidnplayr | 2241 | pusha |
2242 | mov ecx, socket_mutex |
||
2243 | call mutex_unlock |
||
2244 | popa |
||
2245 | |||
4574 | hidnplayr | 2246 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2247 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
||
3545 | hidnplayr | 2248 | ret |
2249 | |||
2250 | |||
5976 | hidnplayr | 2251 | ;-----------------------------------------------------------------; |
2252 | ; ; |
||
6011 | hidnplayr | 2253 | ; socket_ptr_to_num: Get socket number by its address. ; |
5976 | hidnplayr | 2254 | ; ; |
2255 | ; IN: eax = socket ptr ; |
||
2256 | ; ; |
||
2257 | ; OUT: eax = socket number ; |
||
2258 | ; eax = 0 on error ; |
||
2259 | ; ZF = set on error ; |
||
2260 | ; ; |
||
2261 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2262 | align 4 |
6011 | hidnplayr | 2263 | socket_ptr_to_num: |
3545 | hidnplayr | 2264 | |
3556 | hidnplayr | 2265 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2266 | |
6011 | hidnplayr | 2267 | call socket_check |
3545 | hidnplayr | 2268 | jz .error |
2269 | |||
2270 | mov eax, [eax + SOCKET.Number] |
||
2271 | |||
3556 | hidnplayr | 2272 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2273 | ret |
2274 | |||
2275 | .error: |
||
3556 | hidnplayr | 2276 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2277 | ret |
2278 | |||
2279 | |||
5976 | hidnplayr | 2280 | ;-----------------------------------------------------------------; |
2281 | ; ; |
||
6011 | hidnplayr | 2282 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
5976 | hidnplayr | 2283 | ; ; |
2284 | ; IN: eax = socket ptr ; |
||
2285 | ; ; |
||
2286 | ; OUT: eax = 0 on error ; |
||
2287 | ; ZF = set on error ; |
||
2288 | ; ; |
||
2289 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2290 | align 4 |
6011 | hidnplayr | 2291 | socket_check: |
3545 | hidnplayr | 2292 | |
3556 | hidnplayr | 2293 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2294 | |
5969 | hidnplayr | 2295 | test eax, eax |
2296 | jz .error |
||
3545 | hidnplayr | 2297 | push ebx |
2298 | mov ebx, net_sockets |
||
2299 | |||
2300 | .next_socket: |
||
2301 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2302 | or ebx, ebx |
||
2303 | jz .done |
||
2304 | cmp ebx, eax |
||
2305 | jnz .next_socket |
||
2306 | |||
2307 | .done: |
||
2308 | mov eax, ebx |
||
2309 | test eax, eax |
||
2310 | pop ebx |
||
5969 | hidnplayr | 2311 | ret |
3545 | hidnplayr | 2312 | |
5969 | hidnplayr | 2313 | .error: |
5976 | hidnplayr | 2314 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
5969 | hidnplayr | 2315 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
3545 | hidnplayr | 2316 | ret |
2317 | |||
2318 | |||
2319 | |||
5976 | hidnplayr | 2320 | ;-----------------------------------------------------------------; |
2321 | ; ; |
||
6011 | hidnplayr | 2322 | ; socket_check_owner: Check if the caller app owns the socket. ; |
5976 | hidnplayr | 2323 | ; ; |
2324 | ; IN: eax = socket ptr ; |
||
2325 | ; ; |
||
2326 | ; OUT: ZF = true/false ; |
||
2327 | ; ; |
||
2328 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2329 | align 4 |
6011 | hidnplayr | 2330 | socket_check_owner: |
3545 | hidnplayr | 2331 | |
3556 | hidnplayr | 2332 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2333 | |
2334 | push ebx |
||
9692 | Doczom | 2335 | mov ebx, [current_slot] |
2336 | mov ebx, [ebx + APPDATA.tid] |
||
3545 | hidnplayr | 2337 | cmp [eax + SOCKET.PID], ebx |
3711 | clevermous | 2338 | pop ebx |
3545 | hidnplayr | 2339 | |
2340 | ret |
||
2341 | |||
2342 | |||
2343 | |||
2344 | |||
5976 | hidnplayr | 2345 | ;-----------------------------------------------------------------; |
2346 | ; ; |
||
6011 | hidnplayr | 2347 | ; socket_process_end: Kernel calls this function when a certain ; |
2348 | ; process ends. This function will check if the process had any ; |
||
2349 | ; open sockets and update them accordingly (clean up). ; |
||
5976 | hidnplayr | 2350 | ; ; |
2351 | ; IN: edx = pid ; |
||
2352 | ; ; |
||
2353 | ; OUT: / ; |
||
2354 | ; ; |
||
2355 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2356 | align 4 |
6011 | hidnplayr | 2357 | socket_process_end: |
3545 | hidnplayr | 2358 | |
4436 | hidnplayr | 2359 | ret ; FIXME |
2360 | |||
4056 | hidnplayr | 2361 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2362 | je .quickret ; nope, exit immediately |
||
2363 | |||
2364 | ; TODO: run the following code in another thread, to avoid deadlock |
||
2365 | |||
3556 | hidnplayr | 2366 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2367 | |
3647 | hidnplayr | 2368 | pusha |
2369 | mov ecx, socket_mutex |
||
2370 | call mutex_lock |
||
2371 | popa |
||
2372 | |||
3545 | hidnplayr | 2373 | push ebx |
2374 | mov ebx, net_sockets |
||
2375 | |||
2376 | .next_socket: |
||
2377 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2378 | .next_socket_test: |
||
2379 | test ebx, ebx |
||
2380 | jz .done |
||
2381 | |||
2382 | cmp [ebx + SOCKET.PID], edx |
||
2383 | jne .next_socket |
||
2384 | |||
3556 | hidnplayr | 2385 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2386 | |
2387 | mov [ebx + SOCKET.PID], 0 |
||
2388 | mov eax, ebx |
||
2389 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2390 | |
3545 | hidnplayr | 2391 | pusha |
3652 | hidnplayr | 2392 | cmp [eax + SOCKET.Domain], AF_INET4 |
2393 | jne .free |
||
2394 | |||
2395 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2396 | jne .free |
||
2397 | |||
6011 | hidnplayr | 2398 | call tcp_disconnect |
3652 | hidnplayr | 2399 | jmp .closed |
2400 | |||
2401 | .free: |
||
6011 | hidnplayr | 2402 | call socket_free |
3652 | hidnplayr | 2403 | |
2404 | .closed: |
||
3545 | hidnplayr | 2405 | popa |
2406 | jmp .next_socket_test |
||
2407 | |||
2408 | .done: |
||
2409 | pop ebx |
||
2410 | |||
3647 | hidnplayr | 2411 | pusha |
2412 | mov ecx, socket_mutex |
||
2413 | call mutex_unlock |
||
2414 | popa |
||
2415 | |||
4056 | hidnplayr | 2416 | .quickret: |
3545 | hidnplayr | 2417 | ret |
2418 | |||
2419 | |||
2420 | |||
2421 | |||
5976 | hidnplayr | 2422 | ;-----------------------------------------------------------------; |
2423 | ; ; |
||
6011 | hidnplayr | 2424 | ; socket_is_connecting: Update socket state. ; |
5976 | hidnplayr | 2425 | ; ; |
2426 | ; IN: eax = socket ptr ; |
||
2427 | ; ; |
||
2428 | ; OUT: / ; |
||
2429 | ; ; |
||
2430 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2431 | align 4 |
6011 | hidnplayr | 2432 | socket_is_connecting: |
3545 | hidnplayr | 2433 | |
3556 | hidnplayr | 2434 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2435 | |
4025 | hidnplayr | 2436 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2437 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
2438 | ret |
||
3545 | hidnplayr | 2439 | |
2440 | |||
2441 | |||
5976 | hidnplayr | 2442 | ;-----------------------------------------------------------------; |
2443 | ; ; |
||
6011 | hidnplayr | 2444 | ; socket_is_connected: Update socket state. ; |
5976 | hidnplayr | 2445 | ; ; |
2446 | ; IN: eax = socket ptr ; |
||
2447 | ; ; |
||
2448 | ; OUT: / ; |
||
2449 | ; ; |
||
2450 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2451 | align 4 |
6011 | hidnplayr | 2452 | socket_is_connected: |
3545 | hidnplayr | 2453 | |
3556 | hidnplayr | 2454 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2455 | |
3674 | hidnplayr | 2456 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2457 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
6011 | hidnplayr | 2458 | jmp socket_notify |
3545 | hidnplayr | 2459 | |
2460 | |||
2461 | |||
2462 | |||
5976 | hidnplayr | 2463 | ;-----------------------------------------------------------------; |
2464 | ; ; |
||
6011 | hidnplayr | 2465 | ; socket_is_disconnecting: Update socket state. ; |
5976 | hidnplayr | 2466 | ; ; |
2467 | ; IN: eax = socket ptr ; |
||
2468 | ; ; |
||
2469 | ; OUT: / ; |
||
2470 | ; ; |
||
2471 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2472 | align 4 |
6011 | hidnplayr | 2473 | socket_is_disconnecting: |
3545 | hidnplayr | 2474 | |
3556 | hidnplayr | 2475 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2476 | |
3674 | hidnplayr | 2477 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2478 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2479 | jmp socket_notify |
3545 | hidnplayr | 2480 | |
2481 | |||
2482 | |||
5976 | hidnplayr | 2483 | ;-----------------------------------------------------------------; |
2484 | ; ; |
||
6011 | hidnplayr | 2485 | ; socket_is_disconnected: Update socket state. ; |
5976 | hidnplayr | 2486 | ; ; |
2487 | ; IN: eax = socket ptr ; |
||
2488 | ; ; |
||
2489 | ; OUT: / ; |
||
2490 | ; ; |
||
2491 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2492 | align 4 |
6011 | hidnplayr | 2493 | socket_is_disconnected: |
3545 | hidnplayr | 2494 | |
8027 | hidnplayr | 2495 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2496 | |
3674 | hidnplayr | 2497 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2498 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2499 | jmp socket_notify |
3545 | hidnplayr | 2500 | |
2501 | |||
2502 | |||
5976 | hidnplayr | 2503 | ;-----------------------------------------------------------------; |
2504 | ; ; |
||
6011 | hidnplayr | 2505 | ; socket_cant_recv_more: Update socket state. ; |
5976 | hidnplayr | 2506 | ; ; |
2507 | ; IN: eax = socket ptr ; |
||
2508 | ; ; |
||
2509 | ; OUT: / ; |
||
2510 | ; ; |
||
2511 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2512 | align 4 |
6011 | hidnplayr | 2513 | socket_cant_recv_more: |
3545 | hidnplayr | 2514 | |
3556 | hidnplayr | 2515 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2516 | |
3674 | hidnplayr | 2517 | or [eax + SOCKET.state], SS_CANTRCVMORE |
6011 | hidnplayr | 2518 | jmp socket_notify |
3545 | hidnplayr | 2519 | |
3565 | hidnplayr | 2520 | |
3545 | hidnplayr | 2521 | |
5976 | hidnplayr | 2522 | ;-----------------------------------------------------------------; |
2523 | ; ; |
||
6011 | hidnplayr | 2524 | ; socket_cant_send_more: Update socket state. ; |
5976 | hidnplayr | 2525 | ; ; |
2526 | ; IN: eax = socket ptr ; |
||
2527 | ; ; |
||
2528 | ; OUT: / ; |
||
2529 | ; ; |
||
2530 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2531 | align 4 |
6011 | hidnplayr | 2532 | socket_cant_send_more: |
3545 | hidnplayr | 2533 | |
3556 | hidnplayr | 2534 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2535 | |
3674 | hidnplayr | 2536 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2537 | mov [eax + SOCKET.snd_proc], .notconn |
6011 | hidnplayr | 2538 | jmp socket_notify |
3545 | hidnplayr | 2539 | |
3658 | hidnplayr | 2540 | .notconn: |
9917 | Doczom | 2541 | mov dword[esp + SYSCALL_STACK.ebx], ENOTCONN |
2542 | mov dword[esp + SYSCALL_STACK.eax], -1 |
||
5356 | serge | 2543 | ret |