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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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6476 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2016. 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 | |||
4850 | mario79 | 18 | $Revision: 6907 $ |
3545 | hidnplayr | 19 | |
20 | struct SOCKET |
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21 | |||
5976 | hidnplayr | 22 | NextPtr dd ? ; pointer to next socket in list |
23 | PrevPtr dd ? ; pointer to previous socket in list |
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24 | Number dd ? ; socket number |
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3545 | hidnplayr | 25 | |
26 | mutex MUTEX |
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27 | |||
5976 | hidnplayr | 28 | PID dd ? ; process ID |
29 | TID dd ? ; thread ID |
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30 | Domain dd ? ; INET4/INET6/LOCAL/.. |
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31 | Type dd ? ; RAW/STREAM/DGRAM |
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32 | Protocol dd ? ; UDP/TCP/ARP/ICMP |
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3545 | hidnplayr | 33 | errorcode dd ? |
5976 | hidnplayr | 34 | device dd ? ; device pointer, paired socket pointer if it's a local socket |
3545 | hidnplayr | 35 | |
36 | options dd ? |
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37 | state dd ? |
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5976 | hidnplayr | 38 | backlog dw ? ; number of incoming connections that can be queued |
3545 | hidnplayr | 39 | |
40 | snd_proc dd ? |
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41 | rcv_proc dd ? |
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4030 | hidnplayr | 42 | connect_proc dd ? |
3545 | hidnplayr | 43 | |
44 | ends |
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45 | |||
46 | struct IP_SOCKET SOCKET |
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47 | |||
5976 | hidnplayr | 48 | LocalIP rd 4 ; network byte order |
49 | RemoteIP rd 4 ; network byte order |
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5842 | hidnplayr | 50 | ttl db ? |
5976 | hidnplayr | 51 | rb 3 ; align |
3545 | hidnplayr | 52 | |
53 | ends |
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54 | |||
55 | struct TCP_SOCKET IP_SOCKET |
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56 | |||
5976 | hidnplayr | 57 | LocalPort dw ? ; network byte order |
58 | RemotePort dw ? ; network byte order |
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3545 | hidnplayr | 59 | |
5976 | hidnplayr | 60 | t_state dd ? ; TCB state |
3545 | hidnplayr | 61 | t_rxtshift db ? |
5976 | hidnplayr | 62 | rb 3 ; align |
3545 | hidnplayr | 63 | t_rxtcur dd ? |
64 | t_dupacks dd ? |
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65 | t_maxseg dd ? |
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66 | t_force 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 |
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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 |
||
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 |
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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 |
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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 | |||
173 | struct socket_queue_entry |
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174 | |||
175 | data_ptr dd ? |
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5522 | hidnplayr | 176 | data_size dd ? |
3545 | hidnplayr | 177 | buf_ptr dd ? |
178 | |||
179 | ends |
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180 | |||
5976 | hidnplayr | 181 | struct socket_options |
3545 | hidnplayr | 182 | |
5976 | hidnplayr | 183 | level dd ? |
184 | optname dd ? |
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185 | optlen dd ? |
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186 | optval dd ? |
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3545 | hidnplayr | 187 | |
5976 | hidnplayr | 188 | ends |
189 | |||
6413 | hidnplayr | 190 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
5976 | hidnplayr | 191 | |
192 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
||
3545 | hidnplayr | 193 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
6413 | hidnplayr | 194 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
3545 | hidnplayr | 195 | |
196 | uglobal |
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3698 | hidnplayr | 197 | align 4 |
198 | |||
3545 | hidnplayr | 199 | net_sockets rd 4 |
200 | last_socket_num dd ? |
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5976 | hidnplayr | 201 | last_UDP_port dw ? ; last used ephemeral port |
202 | last_TCP_port dw ? ; |
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3647 | hidnplayr | 203 | socket_mutex MUTEX |
3698 | hidnplayr | 204 | |
3545 | hidnplayr | 205 | endg |
206 | |||
207 | |||
5976 | hidnplayr | 208 | ;-----------------------------------------------------------------; |
209 | ; ; |
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6011 | hidnplayr | 210 | ; socket_init ; |
5976 | hidnplayr | 211 | ; ; |
212 | ;-----------------------------------------------------------------; |
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6011 | hidnplayr | 213 | macro socket_init { |
3545 | hidnplayr | 214 | |
215 | xor eax, eax |
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216 | mov edi, net_sockets |
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217 | mov ecx, 5 |
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3711 | clevermous | 218 | rep stosd |
3545 | hidnplayr | 219 | |
220 | @@: |
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221 | pseudo_random eax |
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3600 | hidnplayr | 222 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 223 | jb @r |
3600 | hidnplayr | 224 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 225 | ja @r |
226 | xchg al, ah |
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227 | mov [last_UDP_port], ax |
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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_TCP_port], ax |
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237 | |||
3647 | hidnplayr | 238 | mov ecx, socket_mutex |
239 | call mutex_init |
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240 | |||
3545 | hidnplayr | 241 | } |
242 | |||
5976 | hidnplayr | 243 | ;-----------------------------------------------------------------; |
244 | ; ; |
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245 | ; Sockets API (system function 75) ; |
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246 | ; ; |
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247 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 248 | align 4 |
249 | sys_socket: |
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250 | |||
3673 | hidnplayr | 251 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 252 | |
3545 | hidnplayr | 253 | cmp ebx, 255 |
6011 | hidnplayr | 254 | jz socket_debug |
3545 | hidnplayr | 255 | |
256 | cmp ebx, .number |
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3658 | hidnplayr | 257 | ja .error |
3545 | hidnplayr | 258 | jmp dword [.table + 4*ebx] |
259 | |||
260 | .table: |
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6011 | hidnplayr | 261 | dd socket_open ; 0 |
262 | dd socket_close ; 1 |
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263 | dd socket_bind ; 2 |
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264 | dd socket_listen ; 3 |
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265 | dd socket_connect ; 4 |
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266 | dd socket_accept ; 5 |
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267 | dd socket_send ; 6 |
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268 | dd socket_receive ; 7 |
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269 | dd socket_set_opt ; 8 |
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270 | dd socket_get_opt ; 9 |
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271 | dd socket_pair ; 10 |
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3545 | hidnplayr | 272 | .number = ($ - .table) / 4 - 1 |
273 | |||
3658 | hidnplayr | 274 | .error: |
275 | mov dword[esp+32], -1 |
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3673 | hidnplayr | 276 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 277 | |
278 | ret |
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279 | |||
5976 | hidnplayr | 280 | ;-----------------------------------------------------------------; |
281 | ; ; |
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6011 | hidnplayr | 282 | ; socket_open: Create a new socket. ; |
5976 | hidnplayr | 283 | ; ; |
284 | ; IN: ecx = domain ; |
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285 | ; edx = type ; |
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286 | ; esi = protocol ; |
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287 | ; ; |
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288 | ; OUT: eax = socket number ; |
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289 | ; eax = -1 on error ; |
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290 | ; ebx = errorcode on error ; |
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291 | ; ; |
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292 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 293 | align 4 |
6011 | hidnplayr | 294 | socket_open: |
3545 | hidnplayr | 295 | |
6907 | ashmew2 | 296 | DEBUGF 1, "SOCKET_open: domain=%u type=%u protocol=%x\n ", ecx, edx, esi |
3545 | hidnplayr | 297 | |
298 | push ecx edx esi |
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6011 | hidnplayr | 299 | call socket_alloc |
3545 | hidnplayr | 300 | pop esi edx ecx |
4535 | hidnplayr | 301 | test eax, eax |
3658 | hidnplayr | 302 | jz .nobuffs |
3545 | hidnplayr | 303 | |
5976 | hidnplayr | 304 | mov [esp+32], edi ; return socketnumber |
3556 | hidnplayr | 305 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 306 | |
3705 | hidnplayr | 307 | test edx, SO_NONBLOCK |
308 | jz @f |
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309 | or [eax + SOCKET.options], SO_NONBLOCK |
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310 | and edx, not SO_NONBLOCK |
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311 | @@: |
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3545 | hidnplayr | 312 | |
313 | mov [eax + SOCKET.Domain], ecx |
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314 | mov [eax + SOCKET.Type], edx |
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315 | mov [eax + SOCKET.Protocol], esi |
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4030 | hidnplayr | 316 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 317 | |
318 | cmp ecx, AF_INET4 |
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319 | jne .no_inet4 |
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320 | |||
5842 | hidnplayr | 321 | mov [eax + IP_SOCKET.ttl], 128 |
322 | |||
3545 | hidnplayr | 323 | cmp edx, SOCK_DGRAM |
324 | je .udp |
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325 | |||
326 | cmp edx, SOCK_STREAM |
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327 | je .tcp |
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328 | |||
329 | cmp edx, SOCK_RAW |
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330 | je .raw |
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331 | |||
332 | .no_inet4: |
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333 | cmp ecx, AF_PPP |
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334 | jne .no_ppp |
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335 | |||
336 | cmp esi, PPP_PROTO_ETHERNET |
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337 | je .pppoe |
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338 | |||
339 | .no_ppp: |
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3658 | hidnplayr | 340 | .unsupported: |
341 | push eax |
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6011 | hidnplayr | 342 | call socket_free |
3658 | hidnplayr | 343 | pop eax |
3673 | hidnplayr | 344 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 345 | mov dword[esp+32], -1 |
3545 | hidnplayr | 346 | ret |
347 | |||
3658 | hidnplayr | 348 | .nobuffs: |
3673 | hidnplayr | 349 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 350 | mov dword[esp+32], -1 |
351 | ret |
||
352 | |||
3545 | hidnplayr | 353 | .raw: |
5976 | hidnplayr | 354 | test esi, esi ; IP_PROTO_IP |
3658 | hidnplayr | 355 | jz .raw_ip |
3545 | hidnplayr | 356 | |
357 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 358 | je .raw_icmp |
3545 | hidnplayr | 359 | |
3658 | hidnplayr | 360 | jmp .unsupported |
3545 | hidnplayr | 361 | |
362 | align 4 |
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363 | .udp: |
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5842 | hidnplayr | 364 | push eax |
365 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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366 | pop eax |
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367 | |||
3545 | hidnplayr | 368 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
6011 | hidnplayr | 369 | mov [eax + SOCKET.snd_proc], socket_send_udp |
370 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
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371 | mov [eax + SOCKET.connect_proc], udp_connect |
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3545 | hidnplayr | 372 | ret |
373 | |||
374 | align 4 |
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375 | .tcp: |
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376 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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6011 | hidnplayr | 377 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
378 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
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379 | mov [eax + SOCKET.connect_proc], tcp_connect |
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3545 | hidnplayr | 380 | |
6011 | hidnplayr | 381 | tcp_init_socket eax |
3545 | hidnplayr | 382 | ret |
383 | |||
384 | |||
385 | align 4 |
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3658 | hidnplayr | 386 | .raw_ip: |
5842 | hidnplayr | 387 | push eax |
388 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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389 | pop eax |
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390 | |||
6011 | hidnplayr | 391 | mov [eax + SOCKET.snd_proc], socket_send_ip |
392 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
393 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 394 | ret |
395 | |||
396 | |||
397 | align 4 |
||
3658 | hidnplayr | 398 | .raw_icmp: |
5842 | hidnplayr | 399 | push eax |
400 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
401 | pop eax |
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402 | |||
6011 | hidnplayr | 403 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
404 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
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405 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 406 | ret |
407 | |||
408 | align 4 |
||
409 | .pppoe: |
||
410 | push eax |
||
411 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
412 | pop eax |
||
413 | |||
6011 | hidnplayr | 414 | mov [eax + SOCKET.snd_proc], socket_send_pppoe |
415 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
3545 | hidnplayr | 416 | ret |
417 | |||
418 | |||
5976 | hidnplayr | 419 | ;-----------------------------------------------------------------; |
420 | ; ; |
||
6011 | hidnplayr | 421 | ; socket_bind: Bind to a local port. ; |
5976 | hidnplayr | 422 | ; ; |
423 | ; IN: ecx = socket number ; |
||
424 | ; edx = pointer to sockaddr struct ; |
||
425 | ; esi = length of sockaddr struct ; |
||
426 | ; ; |
||
427 | ; OUT: eax = 0 on success ; |
||
428 | ; eax = -1 on error ; |
||
429 | ; ebx = errorcode on error ; |
||
430 | ; ; |
||
431 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 432 | align 4 |
6011 | hidnplayr | 433 | socket_bind: |
3545 | hidnplayr | 434 | |
3556 | hidnplayr | 435 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 436 | |
6011 | hidnplayr | 437 | call socket_num_to_ptr |
5969 | hidnplayr | 438 | test eax, eax |
3658 | hidnplayr | 439 | jz .invalid |
3545 | hidnplayr | 440 | |
441 | cmp esi, 2 |
||
3658 | hidnplayr | 442 | jb .invalid |
3545 | hidnplayr | 443 | |
5976 | hidnplayr | 444 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
4052 | hidnplayr | 445 | jnz .invalid |
446 | |||
6011 | hidnplayr | 447 | cmp word[edx], AF_INET4 |
3545 | hidnplayr | 448 | je .af_inet4 |
449 | |||
6011 | hidnplayr | 450 | cmp word[edx], AF_LOCAL |
3545 | hidnplayr | 451 | je .af_local |
452 | |||
3658 | hidnplayr | 453 | .notsupp: |
3673 | hidnplayr | 454 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 455 | mov dword[esp+32], -1 |
456 | ret |
||
3545 | hidnplayr | 457 | |
3658 | hidnplayr | 458 | .invalid: |
3673 | hidnplayr | 459 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 460 | mov dword[esp+32], -1 |
461 | ret |
||
462 | |||
3545 | hidnplayr | 463 | .af_local: |
464 | ; TODO: write code here |
||
3658 | hidnplayr | 465 | mov dword[esp+32], 0 |
3545 | hidnplayr | 466 | ret |
467 | |||
468 | .af_inet4: |
||
469 | cmp esi, 6 |
||
3658 | hidnplayr | 470 | jb .invalid |
3545 | hidnplayr | 471 | |
472 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
473 | je .udp |
||
474 | |||
475 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
476 | je .tcp |
||
477 | |||
3658 | hidnplayr | 478 | jmp .notsupp |
3545 | hidnplayr | 479 | |
480 | .tcp: |
||
481 | .udp: |
||
4052 | hidnplayr | 482 | pushd [edx + 4] ; First, fill in the IP |
483 | popd [eax + IP_SOCKET.LocalIP] |
||
3545 | hidnplayr | 484 | |
4052 | hidnplayr | 485 | mov bx, [edx + 2] ; Did caller specify a local port? |
486 | test bx, bx |
||
487 | jnz .just_check |
||
6011 | hidnplayr | 488 | call socket_find_port ; Nope, find an ephemeral one |
4052 | hidnplayr | 489 | jmp .done |
490 | |||
491 | .just_check: |
||
6011 | hidnplayr | 492 | call socket_check_port ; Yes, check if it's still available |
4052 | hidnplayr | 493 | jz .addrinuse ; ZF is set by socket_check_port on error |
494 | |||
495 | .done: |
||
3556 | hidnplayr | 496 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 497 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
498 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
499 | |||
3658 | hidnplayr | 500 | mov dword[esp+32], 0 |
3545 | hidnplayr | 501 | ret |
502 | |||
3658 | hidnplayr | 503 | .addrinuse: |
504 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 505 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 506 | ret |
3545 | hidnplayr | 507 | |
508 | |||
509 | |||
3658 | hidnplayr | 510 | |
5976 | hidnplayr | 511 | ;-----------------------------------------------------------------; |
512 | ; ; |
||
6011 | hidnplayr | 513 | ; socket_connect: Connect to the remote host. ; |
5976 | hidnplayr | 514 | ; ; |
515 | ; IN: ecx = socket number ; |
||
516 | ; edx = pointer to sockaddr struct ; |
||
517 | ; esi = length of sockaddr struct ; |
||
518 | ; ; |
||
519 | ; OUT: eax = 0 on success ; |
||
520 | ; eax = -1 on error ; |
||
521 | ; ebx = errorcode on error ; |
||
522 | ; ; |
||
523 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 524 | align 4 |
6011 | hidnplayr | 525 | socket_connect: |
3545 | hidnplayr | 526 | |
3556 | hidnplayr | 527 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 528 | |
6011 | hidnplayr | 529 | call socket_num_to_ptr |
5969 | hidnplayr | 530 | test eax, eax |
3658 | hidnplayr | 531 | jz .invalid |
3545 | hidnplayr | 532 | |
533 | cmp esi, 8 |
||
3658 | hidnplayr | 534 | jb .invalid |
3545 | hidnplayr | 535 | |
4025 | hidnplayr | 536 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
537 | je .already |
||
538 | |||
539 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
540 | jnz .notsupp |
||
541 | |||
4030 | hidnplayr | 542 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 543 | |
4030 | hidnplayr | 544 | mov dword[esp+20], ebx |
545 | mov dword[esp+32], eax |
||
546 | ret |
||
547 | |||
548 | |||
3658 | hidnplayr | 549 | .notsupp: |
3673 | hidnplayr | 550 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 551 | mov dword[esp+32], -1 |
552 | ret |
||
3545 | hidnplayr | 553 | |
3658 | hidnplayr | 554 | .invalid: |
3673 | hidnplayr | 555 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 556 | mov dword[esp+32], -1 |
557 | ret |
||
558 | |||
4025 | hidnplayr | 559 | .already: |
560 | mov dword[esp+20], EALREADY |
||
561 | mov dword[esp+32], -1 |
||
562 | ret |
||
563 | |||
564 | |||
4030 | hidnplayr | 565 | connect_notsupp: |
566 | xor eax, eax |
||
567 | dec eax |
||
568 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 569 | ret |
570 | |||
4025 | hidnplayr | 571 | |
5976 | hidnplayr | 572 | ;-----------------------------------------------------------------; |
573 | ; ; |
||
6011 | hidnplayr | 574 | ; socket_listen: Listen for incoming connections. ; |
5976 | hidnplayr | 575 | ; ; |
576 | ; IN: ecx = socket number ; |
||
577 | ; edx = backlog in edx ; |
||
578 | ; ; |
||
579 | ; OUT: eax = 0 on success ; |
||
580 | ; eax = -1 on error ; |
||
581 | ; ebx = errorcode on error ; |
||
582 | ; ; |
||
583 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 584 | align 4 |
6011 | hidnplayr | 585 | socket_listen: |
3545 | hidnplayr | 586 | |
3556 | hidnplayr | 587 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 588 | |
6011 | hidnplayr | 589 | call socket_num_to_ptr |
5969 | hidnplayr | 590 | test eax, eax |
3658 | hidnplayr | 591 | jz .invalid |
3545 | hidnplayr | 592 | |
593 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 594 | jne .notsupp |
3545 | hidnplayr | 595 | |
596 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 597 | jne .invalid |
3545 | hidnplayr | 598 | |
599 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 600 | je .already |
3545 | hidnplayr | 601 | |
602 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
603 | jne @f |
||
3601 | hidnplayr | 604 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 605 | pop [eax + IP_SOCKET.LocalIP] |
606 | @@: |
||
607 | |||
608 | cmp edx, MAX_backlog |
||
609 | jbe @f |
||
610 | mov edx, MAX_backlog |
||
611 | @@: |
||
612 | |||
613 | mov [eax + SOCKET.backlog], dx |
||
614 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
615 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
616 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
617 | |||
618 | push eax |
||
619 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
620 | pop eax |
||
621 | |||
3658 | hidnplayr | 622 | mov dword[esp+32], 0 |
623 | ret |
||
3545 | hidnplayr | 624 | |
3658 | hidnplayr | 625 | .notsupp: |
3673 | hidnplayr | 626 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 627 | mov dword[esp+32], -1 |
3545 | hidnplayr | 628 | ret |
629 | |||
3658 | hidnplayr | 630 | .invalid: |
3673 | hidnplayr | 631 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 632 | mov dword[esp+32], -1 |
633 | ret |
||
3545 | hidnplayr | 634 | |
3658 | hidnplayr | 635 | .already: |
3673 | hidnplayr | 636 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 637 | mov dword[esp+32], -1 |
638 | ret |
||
639 | |||
640 | |||
5976 | hidnplayr | 641 | ;-----------------------------------------------------------------; |
642 | ; ; |
||
6011 | hidnplayr | 643 | ; socket_accept: Accept an incoming connection. ; |
5976 | hidnplayr | 644 | ; ; |
645 | ; IN: ecx = socket number (of listening socket) ; |
||
646 | ; edx = ptr to sockaddr struct ; |
||
647 | ; esi = length of sockaddr struct ; |
||
648 | ; ; |
||
649 | ; OUT: eax = newly created socket num ; |
||
650 | ; eax = -1 on error ; |
||
651 | ; ebx = errorcode on error ; |
||
652 | ; ; |
||
653 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 654 | align 4 |
6011 | hidnplayr | 655 | socket_accept: |
3545 | hidnplayr | 656 | |
3556 | hidnplayr | 657 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 658 | |
6011 | hidnplayr | 659 | call socket_num_to_ptr |
5969 | hidnplayr | 660 | test eax, eax |
3658 | hidnplayr | 661 | jz .invalid |
3545 | hidnplayr | 662 | |
663 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 664 | jz .invalid |
3545 | hidnplayr | 665 | |
666 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 667 | jne .notsupp |
3545 | hidnplayr | 668 | |
669 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 670 | jne .invalid |
3545 | hidnplayr | 671 | |
672 | .loop: |
||
673 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
674 | |||
675 | ; Ok, we got a socket ptr |
||
676 | mov eax, [esi] |
||
677 | |||
5969 | hidnplayr | 678 | ; Verify that it is (still) a valid socket |
6011 | hidnplayr | 679 | call socket_check |
5969 | hidnplayr | 680 | jz .invalid |
681 | |||
682 | ; Change sockets thread owner ID to that of the current thread |
||
3545 | hidnplayr | 683 | mov ebx, [TASK_BASE] |
684 | mov ebx, [ebx + TASKDATA.pid] |
||
685 | mov [eax + SOCKET.TID], ebx |
||
686 | |||
5969 | hidnplayr | 687 | ; Return socket number to caller |
688 | mov eax, [eax + SOCKET.Number] |
||
3545 | hidnplayr | 689 | mov [esp+32], eax |
690 | ret |
||
691 | |||
692 | .block: |
||
693 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 694 | jnz .wouldblock |
6907 | ashmew2 | 695 | DEBUGF 1, "Calling socket_block at 695\n" |
6011 | hidnplayr | 696 | call socket_block |
3545 | hidnplayr | 697 | jmp .loop |
698 | |||
3658 | hidnplayr | 699 | .wouldblock: |
3673 | hidnplayr | 700 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 701 | mov dword[esp+32], -1 |
702 | ret |
||
703 | |||
704 | .invalid: |
||
3673 | hidnplayr | 705 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 706 | mov dword[esp+32], -1 |
707 | ret |
||
708 | |||
709 | .notsupp: |
||
3673 | hidnplayr | 710 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 711 | mov dword[esp+32], -1 |
712 | ret |
||
713 | |||
5976 | hidnplayr | 714 | ;-----------------------------------------------------------------; |
715 | ; ; |
||
6011 | hidnplayr | 716 | ; socket_close: Close the socket (and connection). ; |
5976 | hidnplayr | 717 | ; ; |
718 | ; IN: ecx = socket number ; |
||
719 | ; ; |
||
720 | ; OUT: eax = 0 on success ; |
||
721 | ; eax = -1 on error ; |
||
722 | ; ebx = errorcode on error ; |
||
723 | ; ; |
||
724 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 725 | align 4 |
6011 | hidnplayr | 726 | socket_close: |
3545 | hidnplayr | 727 | |
3556 | hidnplayr | 728 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 729 | |
6011 | hidnplayr | 730 | call socket_num_to_ptr |
5969 | hidnplayr | 731 | test eax, eax |
3658 | hidnplayr | 732 | jz .invalid |
6907 | ashmew2 | 733 | DEBUGF 1, "SOCKET_close: socknum=%x\n", eax |
3545 | hidnplayr | 734 | |
3658 | hidnplayr | 735 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 736 | |
737 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
738 | |||
739 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
740 | jz @f |
||
6011 | hidnplayr | 741 | call socket_notify ; Unblock it. |
3545 | hidnplayr | 742 | @@: |
743 | |||
744 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
745 | jne .free |
||
746 | |||
747 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
748 | je .tcp |
||
749 | |||
750 | .free: |
||
6011 | hidnplayr | 751 | call socket_free |
3545 | hidnplayr | 752 | ret |
753 | |||
754 | .tcp: |
||
6011 | hidnplayr | 755 | call tcp_usrclosed |
3545 | hidnplayr | 756 | |
4366 | hidnplayr | 757 | test eax, eax |
758 | jz @f |
||
6011 | hidnplayr | 759 | call tcp_output ; If connection is not closed yet, send the FIN |
4366 | hidnplayr | 760 | @@: |
3545 | hidnplayr | 761 | ret |
762 | |||
763 | |||
3658 | hidnplayr | 764 | .invalid: |
6907 | ashmew2 | 765 | DEBUGF 1, "SOCKET_close: INVALID!\n" |
3673 | hidnplayr | 766 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 767 | mov dword[esp+32], -1 |
768 | ret |
||
769 | |||
770 | |||
5976 | hidnplayr | 771 | ;-----------------------------------------------------------------; |
772 | ; ; |
||
6011 | hidnplayr | 773 | ; socket_receive: Receive some data from the remote end. ; |
5976 | hidnplayr | 774 | ; ; |
775 | ; IN: ecx = socket number ; |
||
776 | ; edx = addr to application buffer ; |
||
777 | ; edx = length of application buffer ; |
||
778 | ; edi = flags ; |
||
779 | ; ; |
||
780 | ; OUT: eax = number of bytes copied ; |
||
781 | ; eax = -1 on error ; |
||
782 | ; eax = 0 when socket has been closed by the remote end ; |
||
783 | ; ebx = errorcode on error ; |
||
784 | ; ; |
||
785 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 786 | align 4 |
6011 | hidnplayr | 787 | socket_receive: |
3545 | hidnplayr | 788 | |
3556 | hidnplayr | 789 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 790 | |
6011 | hidnplayr | 791 | call socket_num_to_ptr |
5969 | hidnplayr | 792 | test eax, eax |
3658 | hidnplayr | 793 | jz .invalid |
3545 | hidnplayr | 794 | |
3704 | hidnplayr | 795 | .loop: |
6907 | ashmew2 | 796 | pushf |
797 | cli |
||
3704 | hidnplayr | 798 | push edi |
3565 | hidnplayr | 799 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 800 | pop edi |
3545 | hidnplayr | 801 | |
4219 | hidnplayr | 802 | test [eax + SOCKET.state], SS_CANTRCVMORE |
5364 | hidnplayr | 803 | jnz .last_data |
4219 | hidnplayr | 804 | |
3704 | hidnplayr | 805 | cmp ebx, EWOULDBLOCK |
806 | jne .return |
||
807 | |||
808 | test edi, MSG_DONTWAIT |
||
809 | jnz .return_err |
||
810 | |||
5976 | hidnplayr | 811 | test [eax + SOCKET.options], SO_NONBLOCK |
812 | jnz .return_err |
||
6907 | ashmew2 | 813 | DEBUGF 1, "Calling socket_block at 813\n" |
6011 | hidnplayr | 814 | call socket_block |
6907 | ashmew2 | 815 | popf |
3704 | hidnplayr | 816 | jmp .loop |
817 | |||
818 | |||
819 | .invalid: |
||
820 | push EINVAL |
||
821 | pop ebx |
||
822 | .return_err: |
||
4219 | hidnplayr | 823 | mov ecx, -1 |
3704 | hidnplayr | 824 | .return: |
6907 | ashmew2 | 825 | popf |
3673 | hidnplayr | 826 | mov [esp+20], ebx |
4219 | hidnplayr | 827 | mov [esp+32], ecx |
3565 | hidnplayr | 828 | ret |
3545 | hidnplayr | 829 | |
5364 | hidnplayr | 830 | .last_data: |
831 | test ecx, ecx |
||
832 | jz .return |
||
6011 | hidnplayr | 833 | call socket_notify ; Call me again! |
5364 | hidnplayr | 834 | jmp .return |
3565 | hidnplayr | 835 | |
3658 | hidnplayr | 836 | |
3704 | hidnplayr | 837 | |
838 | |||
3545 | hidnplayr | 839 | align 4 |
6011 | hidnplayr | 840 | socket_receive_dgram: |
3704 | hidnplayr | 841 | |
3556 | hidnplayr | 842 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 843 | |
5976 | hidnplayr | 844 | test edi, MSG_PEEK |
845 | jnz .peek |
||
3545 | hidnplayr | 846 | |
5976 | hidnplayr | 847 | mov ebx, esi ; buffer length |
848 | |||
3704 | hidnplayr | 849 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 850 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 851 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 852 | |
3704 | hidnplayr | 853 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 854 | ja .too_small |
855 | |||
4219 | hidnplayr | 856 | push eax ecx |
3545 | hidnplayr | 857 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
858 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 859 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 860 | |
3704 | hidnplayr | 861 | ; copy the data from kernel buffer to application buffer |
862 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 863 | shr ecx, 1 |
864 | jnc .nb |
||
865 | movsb |
||
866 | .nb: |
||
867 | shr ecx, 1 |
||
868 | jnc .nw |
||
869 | movsw |
||
870 | .nw: |
||
871 | test ecx, ecx |
||
872 | jz .nd |
||
3711 | clevermous | 873 | rep movsd |
3545 | hidnplayr | 874 | .nd: |
875 | |||
6011 | hidnplayr | 876 | call net_buff_free |
4219 | hidnplayr | 877 | pop ecx eax ; return number of bytes copied to application |
5976 | hidnplayr | 878 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
879 | je @f |
||
6011 | hidnplayr | 880 | call socket_notify ; Queue another network event |
5976 | hidnplayr | 881 | @@: |
882 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 883 | ret |
884 | |||
885 | .too_small: |
||
4219 | hidnplayr | 886 | mov ecx, -1 |
3704 | hidnplayr | 887 | push EMSGSIZE |
888 | pop ebx |
||
3565 | hidnplayr | 889 | ret |
3545 | hidnplayr | 890 | |
3658 | hidnplayr | 891 | .wouldblock: |
3704 | hidnplayr | 892 | push EWOULDBLOCK |
893 | pop ebx |
||
3658 | hidnplayr | 894 | ret |
3545 | hidnplayr | 895 | |
5976 | hidnplayr | 896 | .peek: |
897 | xor ebx, ebx |
||
898 | xor ecx, ecx |
||
899 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
||
900 | je @f |
||
901 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
||
902 | mov ecx, [esi + socket_queue_entry.data_size] |
||
903 | @@: |
||
904 | ret |
||
3658 | hidnplayr | 905 | |
3704 | hidnplayr | 906 | |
3545 | hidnplayr | 907 | align 4 |
6011 | hidnplayr | 908 | socket_receive_local: |
3545 | hidnplayr | 909 | |
910 | ; does this socket have a PID yet? |
||
911 | cmp [eax + SOCKET.PID], 0 |
||
912 | jne @f |
||
913 | |||
914 | ; Change PID to that of current process |
||
915 | mov ebx, [TASK_BASE] |
||
916 | mov ebx, [ebx + TASKDATA.pid] |
||
917 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 918 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 919 | @@: |
920 | |||
6011 | hidnplayr | 921 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
3545 | hidnplayr | 922 | |
3704 | hidnplayr | 923 | ; ... continue to SOCKET_receive_stream |
924 | |||
3545 | hidnplayr | 925 | align 4 |
6011 | hidnplayr | 926 | socket_receive_stream: |
3545 | hidnplayr | 927 | |
3556 | hidnplayr | 928 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 929 | |
3704 | hidnplayr | 930 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
931 | je .wouldblock |
||
932 | |||
933 | test edi, MSG_PEEK |
||
934 | jnz .peek |
||
935 | |||
3545 | hidnplayr | 936 | mov ecx, esi |
937 | mov edi, edx |
||
938 | xor edx, edx |
||
939 | |||
4219 | hidnplayr | 940 | push eax |
3545 | hidnplayr | 941 | add eax, STREAM_SOCKET.rcv |
6011 | hidnplayr | 942 | call socket_ring_read ; copy data from kernel buffer to application buffer |
943 | call socket_ring_free ; free read memory |
||
4219 | hidnplayr | 944 | pop eax |
3545 | hidnplayr | 945 | |
5364 | hidnplayr | 946 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
947 | jne .more_data |
||
3704 | hidnplayr | 948 | xor ebx, ebx ; errorcode = 0 (no error) |
3545 | hidnplayr | 949 | ret |
950 | |||
5364 | hidnplayr | 951 | .more_data: |
6011 | hidnplayr | 952 | call socket_notify ; Queue another network event |
5364 | hidnplayr | 953 | xor ebx, ebx ; errorcode = 0 (no error) |
954 | ret |
||
955 | |||
3704 | hidnplayr | 956 | .wouldblock: |
957 | push EWOULDBLOCK |
||
958 | pop ebx |
||
4219 | hidnplayr | 959 | xor ecx, ecx |
3704 | hidnplayr | 960 | ret |
961 | |||
3545 | hidnplayr | 962 | .peek: |
4219 | hidnplayr | 963 | mov ecx, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3704 | hidnplayr | 964 | xor ebx, ebx |
3545 | hidnplayr | 965 | ret |
966 | |||
967 | |||
5976 | hidnplayr | 968 | ;-----------------------------------------------------------------; |
969 | ; ; |
||
6011 | hidnplayr | 970 | ; socket_send: Send some data to the remote end. ; |
5976 | hidnplayr | 971 | ; ; |
972 | ; IN: ecx = socket number ; |
||
973 | ; edx = pointer to data ; |
||
974 | ; esi = data length ; |
||
975 | ; edi = flags ; |
||
976 | ; ; |
||
977 | ; OUT: eax = number of bytes sent ; |
||
978 | ; eax = -1 on error ; |
||
979 | ; ebx = errorcode on error ; |
||
980 | ; ; |
||
981 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 982 | align 4 |
6011 | hidnplayr | 983 | socket_send: |
3545 | hidnplayr | 984 | |
3556 | hidnplayr | 985 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 986 | |
6011 | hidnplayr | 987 | call socket_num_to_ptr |
5969 | hidnplayr | 988 | test eax, eax |
3658 | hidnplayr | 989 | jz .invalid |
3545 | hidnplayr | 990 | |
991 | mov ecx, esi |
||
992 | mov esi, edx |
||
993 | |||
994 | jmp [eax + SOCKET.snd_proc] |
||
995 | |||
3658 | hidnplayr | 996 | .invalid: |
3673 | hidnplayr | 997 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 998 | mov dword[esp+32], -1 |
999 | ret |
||
3545 | hidnplayr | 1000 | |
3658 | hidnplayr | 1001 | |
3545 | hidnplayr | 1002 | align 4 |
6011 | hidnplayr | 1003 | socket_send_udp: |
3545 | hidnplayr | 1004 | |
3556 | hidnplayr | 1005 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 1006 | |
1007 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1008 | call udp_output |
3545 | hidnplayr | 1009 | cmp eax, -1 |
3658 | hidnplayr | 1010 | je .error |
3545 | hidnplayr | 1011 | ret |
1012 | |||
3658 | hidnplayr | 1013 | .error: |
1014 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1015 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 1016 | ret |
3545 | hidnplayr | 1017 | |
3658 | hidnplayr | 1018 | |
3545 | hidnplayr | 1019 | align 4 |
6011 | hidnplayr | 1020 | socket_send_tcp: |
3545 | hidnplayr | 1021 | |
3556 | hidnplayr | 1022 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1023 | |
1024 | push eax |
||
1025 | add eax, STREAM_SOCKET.snd |
||
6011 | hidnplayr | 1026 | call socket_ring_write |
3545 | hidnplayr | 1027 | pop eax |
1028 | |||
1029 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1030 | mov [eax + SOCKET.errorcode], 0 |
1031 | push eax |
||
6011 | hidnplayr | 1032 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
3658 | hidnplayr | 1033 | pop eax |
1034 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 1035 | mov [esp+20], eax |
3545 | hidnplayr | 1036 | ret |
1037 | |||
1038 | |||
1039 | align 4 |
||
6011 | hidnplayr | 1040 | socket_send_ip: |
3545 | hidnplayr | 1041 | |
3556 | hidnplayr | 1042 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1043 | |
1044 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1045 | call ipv4_output_raw |
3545 | hidnplayr | 1046 | cmp eax, -1 |
3658 | hidnplayr | 1047 | je .error |
3545 | hidnplayr | 1048 | ret |
1049 | |||
3658 | hidnplayr | 1050 | .error: |
5842 | hidnplayr | 1051 | mov dword[esp+32], eax |
1052 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1053 | ret |
3545 | hidnplayr | 1054 | |
3658 | hidnplayr | 1055 | |
3545 | hidnplayr | 1056 | align 4 |
6011 | hidnplayr | 1057 | socket_send_icmp: |
3545 | hidnplayr | 1058 | |
3556 | hidnplayr | 1059 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1060 | |
1061 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1062 | call icmp_output_raw |
3545 | hidnplayr | 1063 | cmp eax, -1 |
3658 | hidnplayr | 1064 | je .error |
3545 | hidnplayr | 1065 | ret |
1066 | |||
3658 | hidnplayr | 1067 | .error: |
5842 | hidnplayr | 1068 | mov dword[esp+32], eax |
1069 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1070 | ret |
3545 | hidnplayr | 1071 | |
3658 | hidnplayr | 1072 | |
3545 | hidnplayr | 1073 | align 4 |
6011 | hidnplayr | 1074 | socket_send_pppoe: |
3545 | hidnplayr | 1075 | |
3556 | hidnplayr | 1076 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1077 | |
1078 | mov [esp+32], ecx |
||
1079 | mov ebx, [eax + SOCKET.device] |
||
1080 | |||
6011 | hidnplayr | 1081 | call pppoe_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1082 | cmp eax, -1 |
3658 | hidnplayr | 1083 | je .error |
3545 | hidnplayr | 1084 | ret |
1085 | |||
3658 | hidnplayr | 1086 | .error: |
1087 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1088 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1089 | ret |
3545 | hidnplayr | 1090 | |
1091 | |||
3658 | hidnplayr | 1092 | |
3545 | hidnplayr | 1093 | align 4 |
6011 | hidnplayr | 1094 | socket_send_local: |
3545 | hidnplayr | 1095 | |
1096 | ; does this socket have a PID yet? |
||
1097 | cmp [eax + SOCKET.PID], 0 |
||
1098 | jne @f |
||
1099 | |||
1100 | ; Change PID to that of current process |
||
1101 | mov ebx, [TASK_BASE] |
||
1102 | mov ebx, [ebx + TASKDATA.pid] |
||
1103 | mov [eax + SOCKET.PID], ebx |
||
1104 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1105 | @@: |
||
6011 | hidnplayr | 1106 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
3545 | hidnplayr | 1107 | |
1108 | align 4 |
||
6011 | hidnplayr | 1109 | socket_send_local_initialized: |
3545 | hidnplayr | 1110 | |
3556 | hidnplayr | 1111 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1112 | |
1113 | ; get the other side's socket and check if it still exists |
||
1114 | mov eax, [eax + SOCKET.device] |
||
6011 | hidnplayr | 1115 | call socket_check |
3658 | hidnplayr | 1116 | jz .invalid |
3545 | hidnplayr | 1117 | |
1118 | ; allright, shove in the data! |
||
1119 | push eax |
||
1120 | add eax, STREAM_SOCKET.rcv |
||
6011 | hidnplayr | 1121 | call socket_ring_write |
3545 | hidnplayr | 1122 | pop eax |
1123 | |||
1124 | ; return the number of written bytes (or errorcode) to application |
||
1125 | mov [esp+32], ecx |
||
1126 | |||
1127 | ; and notify the other end |
||
6011 | hidnplayr | 1128 | call socket_notify |
3545 | hidnplayr | 1129 | |
1130 | ret |
||
1131 | |||
3658 | hidnplayr | 1132 | .invalid: |
1133 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1134 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1135 | ret |
3545 | hidnplayr | 1136 | |
3658 | hidnplayr | 1137 | |
5976 | hidnplayr | 1138 | ;-----------------------------------------------------------------; |
1139 | ; ; |
||
6011 | hidnplayr | 1140 | ; socket_get_opt: Read a socket option ; |
5976 | hidnplayr | 1141 | ; ; |
1142 | ; IN: ecx = socket number ; |
||
1143 | ; edx = pointer to socket options struct ; |
||
1144 | ; ; |
||
1145 | ; OUT: eax = 0 on success ; |
||
1146 | ; eax = -1 on error ; |
||
1147 | ; ebx = errorcode on error ; |
||
1148 | ; ; |
||
1149 | ;-----------------------------------------------------------------; |
||
1150 | align 4 |
||
6011 | hidnplayr | 1151 | socket_get_opt: |
5976 | hidnplayr | 1152 | |
1153 | ; FIXME: |
||
3545 | hidnplayr | 1154 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1155 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1156 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1157 | |||
3556 | hidnplayr | 1158 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1159 | |
6011 | hidnplayr | 1160 | call socket_num_to_ptr |
5969 | hidnplayr | 1161 | test eax, eax |
3658 | hidnplayr | 1162 | jz .invalid |
3545 | hidnplayr | 1163 | |
1164 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1165 | jne .invalid |
3545 | hidnplayr | 1166 | cmp dword [edx+4], -2 |
1167 | je @f |
||
1168 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1169 | jne .invalid |
3545 | hidnplayr | 1170 | @@: |
1171 | ; mov eax, [edx+12] |
||
1172 | ; test eax, eax |
||
1173 | ; jz .fail |
||
1174 | ; cmp dword [eax], 4 |
||
1175 | ; mov dword [eax], 4 |
||
1176 | ; jb .fail |
||
1177 | ; stdcall net_socket_num_to_addr, ecx |
||
1178 | ; test eax, eax |
||
1179 | ; jz .fail |
||
1180 | ; ; todo: check that eax is really TCP socket |
||
1181 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1182 | ; cmp dword [edx+4], -2 |
||
1183 | ; jz @f |
||
1184 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1185 | @@: |
||
1186 | mov eax, [edx+8] |
||
1187 | test eax, eax |
||
1188 | jz @f |
||
1189 | mov [eax], ecx |
||
1190 | @@: |
||
1191 | mov dword [esp+32], 0 |
||
1192 | ret |
||
1193 | |||
3658 | hidnplayr | 1194 | .invalid: |
1195 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1196 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1197 | ret |
3545 | hidnplayr | 1198 | |
1199 | |||
5976 | hidnplayr | 1200 | ;-----------------------------------------------------------------; |
1201 | ; ; |
||
6011 | hidnplayr | 1202 | ; socket_set_options: Set a socket option. ; |
5976 | hidnplayr | 1203 | ; ; |
1204 | ; IN: ecx = socket number ; |
||
1205 | ; edx = pointer to socket options struct ; |
||
1206 | ; ; |
||
1207 | ; OUT: eax = 0 on success ; |
||
1208 | ; eax = -1 on error ; |
||
1209 | ; ebx = errorcode on error ; |
||
1210 | ; ; |
||
1211 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1212 | align 4 |
6011 | hidnplayr | 1213 | socket_set_opt: |
3545 | hidnplayr | 1214 | |
3556 | hidnplayr | 1215 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1216 | |
6011 | hidnplayr | 1217 | call socket_num_to_ptr |
5969 | hidnplayr | 1218 | test eax, eax |
3658 | hidnplayr | 1219 | jz .invalid |
3545 | hidnplayr | 1220 | |
5842 | hidnplayr | 1221 | cmp [edx + socket_options.level], IP_PROTO_IP |
1222 | je .ip |
||
1223 | cmp [edx + socket_options.level], SOL_SOCKET |
||
3658 | hidnplayr | 1224 | jne .invalid |
3545 | hidnplayr | 1225 | |
5842 | hidnplayr | 1226 | .socket: |
1227 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
||
1228 | jne .invalid |
||
3545 | hidnplayr | 1229 | |
1230 | .bind: |
||
5842 | hidnplayr | 1231 | cmp [edx + socket_options.optlen], 0 |
3545 | hidnplayr | 1232 | je .unbind |
1233 | |||
5842 | hidnplayr | 1234 | movzx edx, byte[edx + socket_options.optval] |
3600 | hidnplayr | 1235 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1236 | ja .invalid |
3545 | hidnplayr | 1237 | |
1238 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1239 | test edx, edx |
||
3658 | hidnplayr | 1240 | jz .already |
3545 | hidnplayr | 1241 | mov [eax + SOCKET.device], edx |
1242 | |||
5584 | hidnplayr | 1243 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
3545 | hidnplayr | 1244 | |
3658 | hidnplayr | 1245 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1246 | ret |
1247 | |||
1248 | .unbind: |
||
1249 | mov [eax + SOCKET.device], 0 |
||
1250 | |||
3658 | hidnplayr | 1251 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1252 | ret |
1253 | |||
5842 | hidnplayr | 1254 | .ip: |
1255 | cmp [edx + socket_options.optname], IP_TTL |
||
1256 | jne .invalid |
||
1257 | |||
1258 | .ttl: |
||
1259 | mov bl, byte[edx + socket_options.optval] |
||
1260 | mov [eax + IP_SOCKET.ttl], bl |
||
1261 | |||
1262 | mov dword[esp+32], 0 ; success! |
||
1263 | ret |
||
1264 | |||
3658 | hidnplayr | 1265 | .already: |
3673 | hidnplayr | 1266 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1267 | mov dword[esp+32], -1 |
1268 | ret |
||
3545 | hidnplayr | 1269 | |
5842 | hidnplayr | 1270 | .invalid: |
1271 | mov dword[esp+20], EINVAL |
||
1272 | mov dword[esp+32], -1 |
||
1273 | ret |
||
3545 | hidnplayr | 1274 | |
3658 | hidnplayr | 1275 | |
1276 | |||
5842 | hidnplayr | 1277 | |
5976 | hidnplayr | 1278 | ;-----------------------------------------------------------------; |
1279 | ; ; |
||
6011 | hidnplayr | 1280 | ; socket_pair: Allocate a pair of linked local sockets. ; |
5976 | hidnplayr | 1281 | ; ; |
1282 | ; IN: / ; |
||
1283 | ; ; |
||
1284 | ; OUT: eax = socket1 num on success ; |
||
1285 | ; eax = -1 on error ; |
||
1286 | ; ebx = socket2 num on success ; |
||
1287 | ; ebx = errorcode on error ; |
||
1288 | ; ; |
||
1289 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1290 | align 4 |
6011 | hidnplayr | 1291 | socket_pair: |
3545 | hidnplayr | 1292 | |
3556 | hidnplayr | 1293 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1294 | |
6011 | hidnplayr | 1295 | call socket_alloc |
4535 | hidnplayr | 1296 | test eax, eax |
3658 | hidnplayr | 1297 | jz .nomem1 |
3545 | hidnplayr | 1298 | mov [esp+32], edi ; application's eax |
1299 | |||
1300 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1301 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1302 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1303 | mov [eax + SOCKET.snd_proc], socket_send_local |
1304 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1305 | mov [eax + SOCKET.PID], 0 |
1306 | mov ebx, eax |
||
1307 | |||
6011 | hidnplayr | 1308 | call socket_alloc |
4535 | hidnplayr | 1309 | test eax, eax |
3658 | hidnplayr | 1310 | jz .nomem2 |
3673 | hidnplayr | 1311 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1312 | |
1313 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1314 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1315 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1316 | mov [eax + SOCKET.snd_proc], socket_send_local |
1317 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1318 | mov [eax + SOCKET.PID], 0 |
1319 | |||
1320 | ; Link the two sockets to eachother |
||
1321 | mov [eax + SOCKET.device], ebx |
||
1322 | mov [ebx + SOCKET.device], eax |
||
1323 | |||
1324 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1325 | call socket_ring_create |
5155 | hidnplayr | 1326 | test eax, eax |
5969 | hidnplayr | 1327 | jz .nomem2 |
3545 | hidnplayr | 1328 | |
1329 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1330 | call socket_ring_create |
5155 | hidnplayr | 1331 | test eax, eax |
1332 | jz .nomem2 |
||
3545 | hidnplayr | 1333 | |
1334 | ret |
||
1335 | |||
3658 | hidnplayr | 1336 | .nomem2: |
5969 | hidnplayr | 1337 | mov eax, [esp+20] |
6011 | hidnplayr | 1338 | call socket_free |
5969 | hidnplayr | 1339 | |
3658 | hidnplayr | 1340 | .nomem1: |
5969 | hidnplayr | 1341 | mov eax, [esp+32] |
6011 | hidnplayr | 1342 | call socket_free |
5969 | hidnplayr | 1343 | |
3658 | hidnplayr | 1344 | mov dword[esp+32], -1 |
5969 | hidnplayr | 1345 | mov dword[esp+20], ENOMEM |
3658 | hidnplayr | 1346 | ret |
3545 | hidnplayr | 1347 | |
1348 | |||
1349 | |||
5976 | hidnplayr | 1350 | ;-----------------------------------------------------------------; |
1351 | ; ; |
||
6011 | hidnplayr | 1352 | ; socket_debug: Copy socket variables to application buffer. ; |
5976 | hidnplayr | 1353 | ; ; |
1354 | ; IN: ecx = socket number ; |
||
1355 | ; edx = pointer to application buffer ; |
||
1356 | ; ; |
||
1357 | ; OUT: eax = 0 on success ; |
||
1358 | ; eax = -1 on error ; |
||
1359 | ; ebx = errorcode on error ; |
||
1360 | ; ; |
||
1361 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1362 | align 4 |
6011 | hidnplayr | 1363 | socket_debug: |
3545 | hidnplayr | 1364 | |
3556 | hidnplayr | 1365 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1366 | |
1367 | mov edi, edx |
||
1368 | |||
1369 | test ecx, ecx |
||
1370 | jz .returnall |
||
1371 | |||
6011 | hidnplayr | 1372 | call socket_num_to_ptr |
5969 | hidnplayr | 1373 | test eax, eax |
3658 | hidnplayr | 1374 | jz .invalid |
3545 | hidnplayr | 1375 | |
1376 | mov esi, eax |
||
6413 | hidnplayr | 1377 | mov ecx, SOCKET_STRUCT_SIZE/4 |
3711 | clevermous | 1378 | rep movsd |
3545 | hidnplayr | 1379 | |
3658 | hidnplayr | 1380 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1381 | ret |
1382 | |||
1383 | .returnall: |
||
1384 | mov ebx, net_sockets |
||
1385 | .next_socket: |
||
1386 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1387 | test ebx, ebx |
||
1388 | jz .done |
||
1389 | mov eax, [ebx + SOCKET.Number] |
||
1390 | stosd |
||
1391 | jmp .next_socket |
||
1392 | .done: |
||
1393 | xor eax, eax |
||
1394 | stosd |
||
3658 | hidnplayr | 1395 | mov dword[esp+32], eax |
1396 | ret |
||
3545 | hidnplayr | 1397 | |
3658 | hidnplayr | 1398 | .invalid: |
1399 | mov dword[esp+32], -1 |
||
5969 | hidnplayr | 1400 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 1401 | ret |
1402 | |||
1403 | |||
5976 | hidnplayr | 1404 | ;-----------------------------------------------------------------; |
1405 | ; ____ ____ ; |
||
1406 | ; \ / End of sockets API \ / ; |
||
1407 | ; \/ \/ ; |
||
1408 | ; () Internally used functions follow () ; |
||
1409 | ; ; |
||
1410 | ;-----------------------------------------------------------------; |
||
1411 | |||
1412 | |||
1413 | ;-----------------------------------------------------------------; |
||
1414 | ; ; |
||
6011 | hidnplayr | 1415 | ; socket_find_port: ; |
5976 | hidnplayr | 1416 | ; Fill in the local port number for TCP and UDP sockets ; |
1417 | ; This procedure always works because the number of sockets is ; |
||
1418 | ; limited to a smaller number then the number of possible ports ; |
||
1419 | ; ; |
||
1420 | ; IN: eax = socket pointer ; |
||
1421 | ; ; |
||
1422 | ; OUT: / ; |
||
1423 | ; ; |
||
1424 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1425 | align 4 |
6011 | hidnplayr | 1426 | socket_find_port: |
3545 | hidnplayr | 1427 | |
3556 | hidnplayr | 1428 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1429 | |
1430 | push ebx esi ecx |
||
1431 | |||
1432 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1433 | je .udp |
||
1434 | |||
1435 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1436 | je .tcp |
||
1437 | |||
1438 | pop ecx esi ebx |
||
1439 | ret |
||
1440 | |||
1441 | .udp: |
||
1442 | mov bx, [last_UDP_port] |
||
1443 | call .findit |
||
1444 | mov [last_UDP_port], bx |
||
1445 | |||
1446 | pop ecx esi ebx |
||
1447 | ret |
||
1448 | |||
1449 | .tcp: |
||
1450 | mov bx, [last_TCP_port] |
||
1451 | call .findit |
||
1452 | mov [last_TCP_port], bx |
||
1453 | |||
1454 | pop ecx esi ebx |
||
1455 | ret |
||
1456 | |||
1457 | |||
1458 | .restart: |
||
1459 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1460 | .findit: |
||
1461 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1462 | je .restart |
||
1463 | |||
1464 | add bh, 1 |
||
1465 | adc bl, 0 |
||
1466 | |||
6011 | hidnplayr | 1467 | call socket_check_port |
3545 | hidnplayr | 1468 | jz .findit |
1469 | ret |
||
1470 | |||
1471 | |||
1472 | |||
5976 | hidnplayr | 1473 | ;-----------------------------------------------------------------; |
1474 | ; ; |
||
6011 | hidnplayr | 1475 | ; socket_check_port: (to be used with AF_INET only!) ; |
5976 | hidnplayr | 1476 | ; Checks if a local port number is unused ; |
1477 | ; If the proposed port number is unused, it is filled in in the ; |
||
6011 | hidnplayr | 1478 | ; socket structure. ; |
5976 | hidnplayr | 1479 | ; ; |
1480 | ; IN: eax = socket ptr ; |
||
1481 | ; bx = proposed socket number (network byte order) ; |
||
1482 | ; ; |
||
1483 | ; OUT: ZF = set on error ; |
||
1484 | ; ; |
||
1485 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1486 | align 4 |
6011 | hidnplayr | 1487 | socket_check_port: |
3545 | hidnplayr | 1488 | |
3556 | hidnplayr | 1489 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1490 | |
3647 | hidnplayr | 1491 | pusha |
1492 | mov ecx, socket_mutex |
||
1493 | call mutex_lock |
||
1494 | popa |
||
1495 | |||
3545 | hidnplayr | 1496 | mov ecx, [eax + SOCKET.Protocol] |
1497 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1498 | mov esi, net_sockets |
||
1499 | |||
1500 | .next_socket: |
||
1501 | mov esi, [esi + SOCKET.NextPtr] |
||
1502 | or esi, esi |
||
1503 | jz .port_ok |
||
1504 | |||
1505 | cmp [esi + SOCKET.Protocol], ecx |
||
1506 | jne .next_socket |
||
1507 | |||
1508 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1509 | jne .next_socket |
||
1510 | |||
1511 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1512 | jne .next_socket |
||
1513 | |||
3647 | hidnplayr | 1514 | pusha |
1515 | mov ecx, socket_mutex |
||
1516 | call mutex_unlock |
||
1517 | popa |
||
1518 | |||
3556 | hidnplayr | 1519 | 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 | 1520 | ret |
1521 | |||
1522 | .port_ok: |
||
3647 | hidnplayr | 1523 | pusha |
1524 | mov ecx, socket_mutex |
||
1525 | call mutex_unlock |
||
1526 | popa |
||
1527 | |||
3556 | hidnplayr | 1528 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1529 | mov [eax + UDP_SOCKET.LocalPort], bx |
1530 | or bx, bx ; clear the zero-flag |
||
1531 | ret |
||
1532 | |||
1533 | |||
1534 | |||
5976 | hidnplayr | 1535 | ;-----------------------------------------------------------------; |
1536 | ; ; |
||
6011 | hidnplayr | 1537 | ; socket_input: Update a (stateless) socket with received data. ; |
5976 | hidnplayr | 1538 | ; ; |
1539 | ; Note: The socket's mutex should already be set ! ; |
||
1540 | ; ; |
||
1541 | ; IN: eax = socket ptr ; |
||
1542 | ; ecx = data size ; |
||
1543 | ; esi = ptr to data ; |
||
1544 | ; [esp] = ptr to buf ; |
||
1545 | ; ; |
||
1546 | ; OUT: / ; |
||
1547 | ; ; |
||
1548 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1549 | align 4 |
6011 | hidnplayr | 1550 | socket_input: |
3545 | hidnplayr | 1551 | |
3556 | hidnplayr | 1552 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1553 | |
5522 | hidnplayr | 1554 | push ecx |
3545 | hidnplayr | 1555 | push esi |
1556 | mov esi, esp |
||
1557 | |||
6011 | hidnplayr | 1558 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
3545 | hidnplayr | 1559 | |
3556 | hidnplayr | 1560 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1561 | add esp, sizeof.socket_queue_entry |
1562 | |||
1563 | pusha |
||
1564 | lea ecx, [eax + SOCKET.mutex] |
||
1565 | call mutex_unlock |
||
1566 | popa |
||
1567 | |||
6011 | hidnplayr | 1568 | jmp socket_notify |
3545 | hidnplayr | 1569 | |
1570 | .full: |
||
3556 | hidnplayr | 1571 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1572 | |
1573 | pusha |
||
1574 | lea ecx, [eax + SOCKET.mutex] |
||
1575 | call mutex_unlock |
||
1576 | popa |
||
1577 | |||
5842 | hidnplayr | 1578 | add esp, 8 |
6011 | hidnplayr | 1579 | call net_buff_free |
3545 | hidnplayr | 1580 | ret |
1581 | |||
1582 | |||
5976 | hidnplayr | 1583 | ;-----------------------------------------------------------------; |
1584 | ; ; |
||
6011 | hidnplayr | 1585 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
5976 | hidnplayr | 1586 | ; ; |
1587 | ; IN: eax = ptr to ring struct ; |
||
1588 | ; ; |
||
1589 | ; OUT: eax = 0 on error ; |
||
1590 | ; eax = start ptr ; |
||
1591 | ; ; |
||
1592 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1593 | align 4 |
6011 | hidnplayr | 1594 | socket_ring_create: |
3545 | hidnplayr | 1595 | |
1596 | push esi |
||
1597 | mov esi, eax |
||
1598 | |||
1599 | push edx |
||
6413 | hidnplayr | 1600 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
3545 | hidnplayr | 1601 | pop edx |
5155 | hidnplayr | 1602 | test eax, eax |
1603 | jz .fail |
||
3545 | hidnplayr | 1604 | |
5969 | hidnplayr | 1605 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
3545 | hidnplayr | 1606 | |
1607 | pusha |
||
1608 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1609 | call mutex_init |
||
1610 | popa |
||
1611 | |||
1612 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1613 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1614 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1615 | mov [esi + RING_BUFFER.size], 0 |
||
6413 | hidnplayr | 1616 | add eax, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1617 | mov [esi + RING_BUFFER.end_ptr], eax |
1618 | mov eax, esi |
||
1619 | |||
5969 | hidnplayr | 1620 | pop esi |
1621 | ret |
||
1622 | |||
5155 | hidnplayr | 1623 | .fail: |
5969 | hidnplayr | 1624 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
5566 | hidnplayr | 1625 | pop esi |
3545 | hidnplayr | 1626 | ret |
1627 | |||
5976 | hidnplayr | 1628 | ;-----------------------------------------------------------------; |
1629 | ; ; |
||
6011 | hidnplayr | 1630 | ; socket_ring_write: Write data to ring buffer. ; |
5976 | hidnplayr | 1631 | ; ; |
1632 | ; IN: eax = ptr to ring struct ; |
||
1633 | ; ecx = data size ; |
||
1634 | ; esi = ptr to data ; |
||
1635 | ; ; |
||
1636 | ; OUT: ecx = number of bytes stored ; |
||
1637 | ; ; |
||
1638 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1639 | align 4 |
6011 | hidnplayr | 1640 | socket_ring_write: |
3545 | hidnplayr | 1641 | |
3556 | hidnplayr | 1642 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1643 | |
1644 | ; lock mutex |
||
1645 | pusha |
||
1646 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1647 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1648 | popa |
||
1649 | |||
1650 | ; calculate available size |
||
6413 | hidnplayr | 1651 | mov edi, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1652 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1653 | cmp ecx, edi |
||
1654 | jbe .copy |
||
1655 | mov ecx, edi |
||
1656 | .copy: |
||
1657 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1658 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1659 | |
1660 | ; update write ptr |
||
1661 | push edi |
||
1662 | add edi, ecx |
||
1663 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1664 | jb @f |
||
6413 | hidnplayr | 1665 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
3545 | hidnplayr | 1666 | @@: |
5155 | hidnplayr | 1667 | |
3545 | hidnplayr | 1668 | mov [eax + RING_BUFFER.write_ptr], edi |
1669 | pop edi |
||
1670 | |||
1671 | ; update size |
||
1672 | add [eax + RING_BUFFER.size], ecx |
||
1673 | |||
1674 | ; copy the data |
||
1675 | push ecx |
||
1676 | shr ecx, 1 |
||
1677 | jnc .nb |
||
1678 | movsb |
||
1679 | .nb: |
||
1680 | shr ecx, 1 |
||
1681 | jnc .nw |
||
1682 | movsw |
||
1683 | .nw: |
||
1684 | test ecx, ecx |
||
1685 | jz .nd |
||
3711 | clevermous | 1686 | rep movsd |
3545 | hidnplayr | 1687 | .nd: |
1688 | pop ecx |
||
1689 | |||
1690 | ; unlock mutex |
||
4344 | hidnplayr | 1691 | pusha |
3545 | hidnplayr | 1692 | lea ecx, [eax + RING_BUFFER.mutex] |
1693 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
4344 | hidnplayr | 1694 | popa |
3545 | hidnplayr | 1695 | |
1696 | ret |
||
1697 | |||
5976 | hidnplayr | 1698 | ;-----------------------------------------------------------------; |
1699 | ; ; |
||
6011 | hidnplayr | 1700 | ; socket_ring_read: Read from ring buffer ; |
5976 | hidnplayr | 1701 | ; ; |
1702 | ; IN: eax = ring struct ptr ; |
||
1703 | ; ecx = bytes to read ; |
||
1704 | ; edx = offset ; |
||
1705 | ; edi = ptr to buffer start ; |
||
1706 | ; ; |
||
1707 | ; OUT: eax = unchanged ; |
||
1708 | ; ecx = number of bytes read (0 on error) ; |
||
1709 | ; edx = destroyed ; |
||
1710 | ; esi = destroyed ; |
||
1711 | ; edi = ptr to buffer end ; |
||
1712 | ; ; |
||
1713 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1714 | align 4 |
6011 | hidnplayr | 1715 | socket_ring_read: |
3545 | hidnplayr | 1716 | |
3556 | hidnplayr | 1717 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1718 | |
1719 | pusha |
||
1720 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1721 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1722 | popa |
||
1723 | |||
1724 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1725 | add esi, edx ; esi = start_ptr + offset |
||
1726 | |||
1727 | neg edx |
||
1728 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1729 | jle .no_data_at_all |
||
1730 | |||
1731 | pusha |
||
1732 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1733 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1734 | popa |
||
1735 | |||
1736 | cmp ecx, edx |
||
1737 | ja .less_data |
||
1738 | |||
1739 | .copy: |
||
3556 | hidnplayr | 1740 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1741 | push ecx |
1742 | shr ecx, 1 |
||
1743 | jnc .nb |
||
1744 | movsb |
||
1745 | .nb: |
||
1746 | shr ecx, 1 |
||
1747 | jnc .nw |
||
1748 | movsw |
||
1749 | .nw: |
||
1750 | test ecx, ecx |
||
1751 | jz .nd |
||
3711 | clevermous | 1752 | rep movsd |
3545 | hidnplayr | 1753 | .nd: |
1754 | pop ecx |
||
1755 | ret |
||
1756 | |||
1757 | .no_data_at_all: |
||
1758 | pusha |
||
1759 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1760 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1761 | popa |
||
1762 | |||
3556 | hidnplayr | 1763 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1764 | xor ecx, ecx |
1765 | ret |
||
1766 | |||
1767 | .less_data: |
||
1768 | mov ecx, edx |
||
1769 | jmp .copy |
||
1770 | |||
1771 | |||
5976 | hidnplayr | 1772 | ;-----------------------------------------------------------------; |
1773 | ; ; |
||
6011 | hidnplayr | 1774 | ; socket_ring_free: Free data from a ringbuffer. ; |
5976 | hidnplayr | 1775 | ; ; |
1776 | ; IN: eax = ptr to ring struct ; |
||
1777 | ; ecx = data size ; |
||
1778 | ; ; |
||
1779 | ; OUT: ecx = number of freed bytes ; |
||
1780 | ; ; |
||
1781 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1782 | align 4 |
6011 | hidnplayr | 1783 | socket_ring_free: |
3545 | hidnplayr | 1784 | |
3556 | hidnplayr | 1785 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1786 | |
1787 | push eax ecx |
||
1788 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1789 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1790 | pop ecx eax |
||
1791 | |||
1792 | sub [eax + RING_BUFFER.size], ecx |
||
1793 | jb .error |
||
1794 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1795 | |||
1796 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1797 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1798 | jb @f |
||
6413 | hidnplayr | 1799 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1800 | @@: |
1801 | |||
1802 | push eax ecx |
||
1803 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1804 | call mutex_unlock |
||
1805 | pop ecx eax |
||
1806 | |||
1807 | ret |
||
1808 | |||
1809 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1810 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1811 | add [eax + RING_BUFFER.size], ecx |
1812 | |||
1813 | push eax |
||
1814 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1815 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1816 | pop eax |
||
1817 | |||
1818 | xor ecx, ecx |
||
1819 | ret |
||
1820 | |||
1821 | |||
5976 | hidnplayr | 1822 | ;-----------------------------------------------------------------; |
1823 | ; ; |
||
6011 | hidnplayr | 1824 | ; socket_block: Suspend the thread attached to a socket. ; |
5976 | hidnplayr | 1825 | ; ; |
1826 | ; IN: eax = socket ptr ; |
||
1827 | ; ; |
||
1828 | ; OUT: eax = unchanged ; |
||
1829 | ; ; |
||
1830 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1831 | align 4 |
6011 | hidnplayr | 1832 | socket_block: |
3545 | hidnplayr | 1833 | |
6907 | ashmew2 | 1834 | DEBUGF 1, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1835 | |
4520 | hidnplayr | 1836 | push eax |
1837 | |||
3545 | hidnplayr | 1838 | pushf |
1839 | cli |
||
1840 | |||
1841 | ; Set the 'socket is blocked' flag |
||
1842 | or [eax + SOCKET.state], SS_BLOCKED |
||
1843 | |||
1844 | ; Suspend the thread |
||
1845 | push edx |
||
1846 | mov edx, [TASK_BASE] |
||
1847 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1848 | |||
1849 | ; Remember the thread ID so we can wake it up again |
||
1850 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1851 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1852 | mov [eax + SOCKET.TID], edx |
1853 | pop edx |
||
4520 | hidnplayr | 1854 | popf |
3545 | hidnplayr | 1855 | |
1856 | call change_task |
||
3674 | hidnplayr | 1857 | pop eax |
3545 | hidnplayr | 1858 | |
6907 | ashmew2 | 1859 | DEBUGF 1, "SOCKET_block: continuing: %x\n", eax |
3545 | hidnplayr | 1860 | |
1861 | ret |
||
1862 | |||
1863 | |||
5976 | hidnplayr | 1864 | ;-----------------------------------------------------------------; |
1865 | ; ; |
||
6011 | hidnplayr | 1866 | ; socket_notify: Wake up socket owner thread. ; |
5976 | hidnplayr | 1867 | ; ; |
1868 | ; IN: eax = socket ptr ; |
||
1869 | ; ; |
||
1870 | ; OUT: eax = unchanged ; |
||
1871 | ; ; |
||
1872 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1873 | align 4 |
6011 | hidnplayr | 1874 | socket_notify: |
3545 | hidnplayr | 1875 | |
3556 | hidnplayr | 1876 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1877 | |
6011 | hidnplayr | 1878 | call socket_check |
3545 | hidnplayr | 1879 | jz .error |
1880 | |||
4527 | hidnplayr | 1881 | ; Find the associated thread's TASK_DATA |
1882 | push ebx ecx esi |
||
1883 | mov ebx, [eax + SOCKET.TID] |
||
1884 | test ebx, ebx |
||
1885 | jz .error2 |
||
1886 | xor ecx, ecx |
||
3545 | hidnplayr | 1887 | inc ecx |
4527 | hidnplayr | 1888 | mov esi, TASK_DATA |
1889 | .next: |
||
1890 | cmp [esi + TASKDATA.pid], ebx |
||
1891 | je .found |
||
1892 | inc ecx |
||
3545 | hidnplayr | 1893 | add esi, 0x20 |
1894 | cmp ecx, [TASK_COUNT] |
||
4527 | hidnplayr | 1895 | jbe .next |
1896 | |||
1897 | .error2: |
||
3545 | hidnplayr | 1898 | ; PID not found, TODO: close socket! |
4527 | hidnplayr | 1899 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1900 | pop esi ecx ebx |
||
1901 | ret |
||
3545 | hidnplayr | 1902 | |
4527 | hidnplayr | 1903 | .error: |
4528 | hidnplayr | 1904 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
4527 | hidnplayr | 1905 | ret |
1906 | |||
1907 | .found: |
||
1908 | test [eax + SOCKET.state], SS_BLOCKED |
||
4528 | hidnplayr | 1909 | jnz .un_block |
4527 | hidnplayr | 1910 | |
5976 | hidnplayr | 1911 | ; Socket and thread exists and socket is of non blocking type. |
4527 | hidnplayr | 1912 | ; We'll try to flag an event to the thread. |
3545 | hidnplayr | 1913 | shl ecx, 8 |
6907 | ashmew2 | 1914 | or [SLOT_BASE + ecx + APPDATA.event_mask], EVENT_NETWORK |
3545 | hidnplayr | 1915 | |
6413 | hidnplayr | 1916 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
4527 | hidnplayr | 1917 | pop esi ecx ebx |
1918 | ret |
||
3545 | hidnplayr | 1919 | |
4527 | hidnplayr | 1920 | |
4528 | hidnplayr | 1921 | .un_block: |
5976 | hidnplayr | 1922 | ; Socket and thread exists and socket is of blocking type |
4527 | hidnplayr | 1923 | ; We'll try to unblock it. |
1924 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
||
1925 | mov [esi + TASKDATA.state], 0 ; Run the thread |
||
3545 | hidnplayr | 1926 | |
6907 | ashmew2 | 1927 | DEBUGF 1, "SOCKET_notify: Unblocked socket!\n" |
4527 | hidnplayr | 1928 | pop esi ecx ebx |
3545 | hidnplayr | 1929 | ret |
1930 | |||
1931 | |||
5976 | hidnplayr | 1932 | ;-----------------------------------------------------------------; |
1933 | ; ; |
||
6011 | hidnplayr | 1934 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1935 | ; into the list. Newly created socket is initialized with calling ; |
||
1936 | ; PID and given a socket number. ; |
||
5976 | hidnplayr | 1937 | ; ; |
1938 | ; IN: / ; |
||
1939 | ; ; |
||
1940 | ; OUT: eax = socket ptr on success ; |
||
1941 | ; eax = 0 on error ; |
||
1942 | ; edi = socket number on success ; |
||
1943 | ; ; |
||
1944 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1945 | align 4 |
6011 | hidnplayr | 1946 | socket_alloc: |
3545 | hidnplayr | 1947 | |
1948 | push ebx |
||
1949 | |||
6413 | hidnplayr | 1950 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
5969 | hidnplayr | 1951 | or eax, eax |
1952 | jz .nomem |
||
3556 | hidnplayr | 1953 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1954 | |
1955 | ; zero-initialize allocated memory |
||
1956 | push eax |
||
1957 | mov edi, eax |
||
6413 | hidnplayr | 1958 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
3545 | hidnplayr | 1959 | xor eax, eax |
3711 | clevermous | 1960 | rep stosd |
3545 | hidnplayr | 1961 | pop eax |
1962 | |||
1963 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1964 | mov [eax + SOCKET.snd_proc], .not_yet |
1965 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1966 | |
3647 | hidnplayr | 1967 | pusha |
1968 | mov ecx, socket_mutex |
||
1969 | call mutex_lock |
||
1970 | popa |
||
1971 | |||
3545 | hidnplayr | 1972 | ; find first free socket number and use it |
1973 | mov edi, [last_socket_num] |
||
1974 | .next_socket_number: |
||
1975 | inc edi |
||
1976 | jz .next_socket_number ; avoid socket nr 0 |
||
1977 | cmp edi, -1 |
||
1978 | je .next_socket_number ; avoid socket nr -1 |
||
1979 | mov ebx, net_sockets |
||
1980 | .next_socket: |
||
1981 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1982 | test ebx, ebx |
||
1983 | jz .last_socket |
||
1984 | |||
1985 | cmp [ebx + SOCKET.Number], edi |
||
1986 | jne .next_socket |
||
1987 | jmp .next_socket_number |
||
1988 | |||
1989 | .last_socket: |
||
1990 | mov [last_socket_num], edi |
||
1991 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1992 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1993 | |
1994 | ; Fill in PID |
||
1995 | mov ebx, [TASK_BASE] |
||
1996 | mov ebx, [ebx + TASKDATA.pid] |
||
1997 | mov [eax + SOCKET.PID], ebx |
||
1998 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1999 | |||
2000 | ; init mutex |
||
2001 | pusha |
||
2002 | lea ecx, [eax + SOCKET.mutex] |
||
2003 | call mutex_init |
||
2004 | popa |
||
2005 | |||
2006 | ; add socket to the list by re-arranging some pointers |
||
2007 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2008 | |||
2009 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2010 | mov [eax + SOCKET.NextPtr], ebx |
||
2011 | |||
2012 | test ebx, ebx |
||
2013 | jz @f |
||
2014 | |||
2015 | pusha |
||
2016 | lea ecx, [ebx + SOCKET.mutex] |
||
2017 | call mutex_lock |
||
2018 | popa |
||
2019 | |||
2020 | mov [ebx + SOCKET.PrevPtr], eax |
||
2021 | |||
2022 | pusha |
||
2023 | lea ecx, [ebx + SOCKET.mutex] |
||
2024 | call mutex_unlock |
||
2025 | popa |
||
2026 | @@: |
||
2027 | |||
2028 | mov [net_sockets + SOCKET.NextPtr], eax |
||
3647 | hidnplayr | 2029 | |
2030 | pusha |
||
2031 | mov ecx, socket_mutex |
||
2032 | call mutex_unlock |
||
2033 | popa |
||
3545 | hidnplayr | 2034 | pop ebx |
2035 | |||
2036 | ret |
||
2037 | |||
5969 | hidnplayr | 2038 | .nomem: |
2039 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
||
2040 | pop ebx |
||
2041 | ret |
||
2042 | |||
3658 | hidnplayr | 2043 | .not_yet: |
3673 | hidnplayr | 2044 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2045 | mov dword[esp+32], -1 |
2046 | ret |
||
3545 | hidnplayr | 2047 | |
3658 | hidnplayr | 2048 | |
5976 | hidnplayr | 2049 | ;-----------------------------------------------------------------; |
2050 | ; ; |
||
6011 | hidnplayr | 2051 | ; socket_free: Free socket data memory and remove socket from ; |
2052 | ; the list. Caller should lock and unlock socket_mutex. ; |
||
5976 | hidnplayr | 2053 | ; ; |
2054 | ; IN: eax = socket ptr ; |
||
2055 | ; ; |
||
2056 | ; OUT: / ; |
||
2057 | ; ; |
||
2058 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2059 | align 4 |
6011 | hidnplayr | 2060 | socket_free: |
3545 | hidnplayr | 2061 | |
3556 | hidnplayr | 2062 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2063 | |
6011 | hidnplayr | 2064 | call socket_check |
3545 | hidnplayr | 2065 | jz .error |
2066 | |||
2067 | push ebx |
||
2068 | |||
2069 | pusha |
||
2070 | lea ecx, [eax + SOCKET.mutex] |
||
2071 | call mutex_lock |
||
2072 | popa |
||
2073 | |||
5969 | hidnplayr | 2074 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2075 | jne .no_stream |
||
3545 | hidnplayr | 2076 | |
2077 | mov ebx, eax |
||
5969 | hidnplayr | 2078 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2079 | je @f |
||
2080 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
||
2081 | @@: |
||
2082 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
||
2083 | je @f |
||
2084 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2085 | @@: |
||
3545 | hidnplayr | 2086 | mov eax, ebx |
5969 | hidnplayr | 2087 | .no_stream: |
3545 | hidnplayr | 2088 | |
3652 | hidnplayr | 2089 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2090 | push eax ; this will be passed to kernel_free |
2091 | mov ebx, [eax + SOCKET.NextPtr] |
||
2092 | mov eax, [eax + SOCKET.PrevPtr] |
||
2093 | |||
3556 | hidnplayr | 2094 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2095 | |
2096 | test eax, eax |
||
2097 | jz @f |
||
2098 | mov [eax + SOCKET.NextPtr], ebx |
||
2099 | @@: |
||
2100 | |||
2101 | test ebx, ebx |
||
2102 | jz @f |
||
2103 | mov [ebx + SOCKET.PrevPtr], eax |
||
2104 | @@: |
||
2105 | |||
2106 | call kernel_free |
||
2107 | pop ebx |
||
2108 | |||
3652 | hidnplayr | 2109 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2110 | |||
2111 | .error: |
||
3545 | hidnplayr | 2112 | ret |
2113 | |||
5969 | hidnplayr | 2114 | .error1: |
2115 | pop ebx |
||
5976 | hidnplayr | 2116 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
5969 | hidnplayr | 2117 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2118 | ret |
||
2119 | |||
5976 | hidnplayr | 2120 | ;-----------------------------------------------------------------; |
2121 | ; ; |
||
6011 | hidnplayr | 2122 | ; socket_fork: Create a child socket. ; |
5976 | hidnplayr | 2123 | ; ; |
2124 | ; IN: ebx = socket number ; |
||
2125 | ; ; |
||
2126 | ; OUT: eax = child socket number on success ; |
||
2127 | ; eax = 0 on error ; |
||
2128 | ; ; |
||
2129 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2130 | align 4 |
6011 | hidnplayr | 2131 | socket_fork: |
3545 | hidnplayr | 2132 | |
3556 | hidnplayr | 2133 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2134 | |
2135 | ; Exit if backlog queue is full |
||
2136 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2137 | cmp ax, [ebx + SOCKET.backlog] |
||
2138 | jae .fail |
||
2139 | |||
2140 | ; Allocate new socket |
||
2141 | push ebx |
||
6011 | hidnplayr | 2142 | call socket_alloc |
3545 | hidnplayr | 2143 | pop ebx |
4535 | hidnplayr | 2144 | test eax, eax |
3545 | hidnplayr | 2145 | jz .fail |
2146 | |||
2147 | push eax |
||
2148 | mov esi, esp |
||
2149 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2150 | pop eax |
||
2151 | |||
2152 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2153 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2154 | ; TID will be filled in later |
||
3545 | hidnplayr | 2155 | lea esi, [ebx + SOCKET.PID] |
2156 | lea edi, [eax + SOCKET.PID] |
||
2157 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2158 | rep movsd |
3545 | hidnplayr | 2159 | |
2160 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2161 | |||
3817 | hidnplayr | 2162 | ; Notify owner of parent socket |
2163 | push eax |
||
2164 | mov eax, ebx |
||
6011 | hidnplayr | 2165 | call socket_notify |
3817 | hidnplayr | 2166 | pop eax |
2167 | |||
3545 | hidnplayr | 2168 | ret |
2169 | |||
2170 | .fail2: |
||
2171 | add esp, 4+4+4 |
||
2172 | .fail: |
||
3556 | hidnplayr | 2173 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2174 | xor eax, eax |
2175 | ret |
||
2176 | |||
2177 | |||
5976 | hidnplayr | 2178 | ;-----------------------------------------------------------------; |
2179 | ; ; |
||
6011 | hidnplayr | 2180 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
5976 | hidnplayr | 2181 | ; ; |
2182 | ; IN: ecx = socket number ; |
||
2183 | ; ; |
||
2184 | ; OUT: eax = socket ptr ; |
||
2185 | ; eax = 0 on error ; |
||
2186 | ; ; |
||
2187 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2188 | align 4 |
6011 | hidnplayr | 2189 | socket_num_to_ptr: |
3545 | hidnplayr | 2190 | |
3556 | hidnplayr | 2191 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2192 | |
3647 | hidnplayr | 2193 | pusha |
2194 | mov ecx, socket_mutex |
||
2195 | call mutex_lock |
||
2196 | popa |
||
2197 | |||
3545 | hidnplayr | 2198 | mov eax, net_sockets |
2199 | .next_socket: |
||
2200 | mov eax, [eax + SOCKET.NextPtr] |
||
5969 | hidnplayr | 2201 | test eax, eax |
3545 | hidnplayr | 2202 | jz .error |
2203 | cmp [eax + SOCKET.Number], ecx |
||
2204 | jne .next_socket |
||
2205 | |||
3647 | hidnplayr | 2206 | pusha |
2207 | mov ecx, socket_mutex |
||
2208 | call mutex_unlock |
||
2209 | popa |
||
2210 | |||
3556 | hidnplayr | 2211 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2212 | ret |
2213 | |||
2214 | .error: |
||
3647 | hidnplayr | 2215 | pusha |
2216 | mov ecx, socket_mutex |
||
2217 | call mutex_unlock |
||
2218 | popa |
||
2219 | |||
4574 | hidnplayr | 2220 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2221 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
||
3545 | hidnplayr | 2222 | ret |
2223 | |||
2224 | |||
5976 | hidnplayr | 2225 | ;-----------------------------------------------------------------; |
2226 | ; ; |
||
6011 | hidnplayr | 2227 | ; socket_ptr_to_num: Get socket number by its address. ; |
5976 | hidnplayr | 2228 | ; ; |
2229 | ; IN: eax = socket ptr ; |
||
2230 | ; ; |
||
2231 | ; OUT: eax = socket number ; |
||
2232 | ; eax = 0 on error ; |
||
2233 | ; ZF = set on error ; |
||
2234 | ; ; |
||
2235 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2236 | align 4 |
6011 | hidnplayr | 2237 | socket_ptr_to_num: |
3545 | hidnplayr | 2238 | |
3556 | hidnplayr | 2239 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2240 | |
6011 | hidnplayr | 2241 | call socket_check |
3545 | hidnplayr | 2242 | jz .error |
2243 | |||
2244 | mov eax, [eax + SOCKET.Number] |
||
2245 | |||
3556 | hidnplayr | 2246 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2247 | ret |
2248 | |||
2249 | .error: |
||
3556 | hidnplayr | 2250 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2251 | ret |
2252 | |||
2253 | |||
5976 | hidnplayr | 2254 | ;-----------------------------------------------------------------; |
2255 | ; ; |
||
6011 | hidnplayr | 2256 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
5976 | hidnplayr | 2257 | ; ; |
2258 | ; IN: eax = socket ptr ; |
||
2259 | ; ; |
||
2260 | ; OUT: eax = 0 on error ; |
||
2261 | ; ZF = set on error ; |
||
2262 | ; ; |
||
2263 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2264 | align 4 |
6011 | hidnplayr | 2265 | socket_check: |
3545 | hidnplayr | 2266 | |
3556 | hidnplayr | 2267 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2268 | |
5969 | hidnplayr | 2269 | test eax, eax |
2270 | jz .error |
||
3545 | hidnplayr | 2271 | push ebx |
2272 | mov ebx, net_sockets |
||
2273 | |||
2274 | .next_socket: |
||
2275 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2276 | or ebx, ebx |
||
2277 | jz .done |
||
2278 | cmp ebx, eax |
||
2279 | jnz .next_socket |
||
2280 | |||
2281 | .done: |
||
2282 | mov eax, ebx |
||
2283 | test eax, eax |
||
2284 | pop ebx |
||
5969 | hidnplayr | 2285 | ret |
3545 | hidnplayr | 2286 | |
5969 | hidnplayr | 2287 | .error: |
5976 | hidnplayr | 2288 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
5969 | hidnplayr | 2289 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
3545 | hidnplayr | 2290 | ret |
2291 | |||
2292 | |||
2293 | |||
5976 | hidnplayr | 2294 | ;-----------------------------------------------------------------; |
2295 | ; ; |
||
6011 | hidnplayr | 2296 | ; socket_check_owner: Check if the caller app owns the socket. ; |
5976 | hidnplayr | 2297 | ; ; |
2298 | ; IN: eax = socket ptr ; |
||
2299 | ; ; |
||
2300 | ; OUT: ZF = true/false ; |
||
2301 | ; ; |
||
2302 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2303 | align 4 |
6011 | hidnplayr | 2304 | socket_check_owner: |
3545 | hidnplayr | 2305 | |
3556 | hidnplayr | 2306 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2307 | |
2308 | push ebx |
||
2309 | mov ebx, [TASK_BASE] |
||
2310 | mov ebx, [ebx + TASKDATA.pid] |
||
2311 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2312 | pop ebx |
3545 | hidnplayr | 2313 | |
2314 | ret |
||
2315 | |||
2316 | |||
2317 | |||
2318 | |||
5976 | hidnplayr | 2319 | ;-----------------------------------------------------------------; |
2320 | ; ; |
||
6011 | hidnplayr | 2321 | ; socket_process_end: Kernel calls this function when a certain ; |
2322 | ; process ends. This function will check if the process had any ; |
||
2323 | ; open sockets and update them accordingly (clean up). ; |
||
5976 | hidnplayr | 2324 | ; ; |
2325 | ; IN: edx = pid ; |
||
2326 | ; ; |
||
2327 | ; OUT: / ; |
||
2328 | ; ; |
||
2329 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2330 | align 4 |
6011 | hidnplayr | 2331 | socket_process_end: |
3545 | hidnplayr | 2332 | |
4436 | hidnplayr | 2333 | ret ; FIXME |
2334 | |||
4056 | hidnplayr | 2335 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2336 | je .quickret ; nope, exit immediately |
||
2337 | |||
2338 | ; TODO: run the following code in another thread, to avoid deadlock |
||
2339 | |||
3556 | hidnplayr | 2340 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2341 | |
3647 | hidnplayr | 2342 | pusha |
2343 | mov ecx, socket_mutex |
||
2344 | call mutex_lock |
||
2345 | popa |
||
2346 | |||
3545 | hidnplayr | 2347 | push ebx |
2348 | mov ebx, net_sockets |
||
2349 | |||
2350 | .next_socket: |
||
2351 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2352 | .next_socket_test: |
||
2353 | test ebx, ebx |
||
2354 | jz .done |
||
2355 | |||
2356 | cmp [ebx + SOCKET.PID], edx |
||
2357 | jne .next_socket |
||
2358 | |||
3556 | hidnplayr | 2359 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2360 | |
2361 | mov [ebx + SOCKET.PID], 0 |
||
2362 | mov eax, ebx |
||
2363 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2364 | |
3545 | hidnplayr | 2365 | pusha |
3652 | hidnplayr | 2366 | cmp [eax + SOCKET.Domain], AF_INET4 |
2367 | jne .free |
||
2368 | |||
2369 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2370 | jne .free |
||
2371 | |||
6011 | hidnplayr | 2372 | call tcp_disconnect |
3652 | hidnplayr | 2373 | jmp .closed |
2374 | |||
2375 | .free: |
||
6011 | hidnplayr | 2376 | call socket_free |
3652 | hidnplayr | 2377 | |
2378 | .closed: |
||
3545 | hidnplayr | 2379 | popa |
2380 | jmp .next_socket_test |
||
2381 | |||
2382 | .done: |
||
2383 | pop ebx |
||
2384 | |||
3647 | hidnplayr | 2385 | pusha |
2386 | mov ecx, socket_mutex |
||
2387 | call mutex_unlock |
||
2388 | popa |
||
2389 | |||
4056 | hidnplayr | 2390 | .quickret: |
3545 | hidnplayr | 2391 | ret |
2392 | |||
2393 | |||
2394 | |||
2395 | |||
5976 | hidnplayr | 2396 | ;-----------------------------------------------------------------; |
2397 | ; ; |
||
6011 | hidnplayr | 2398 | ; socket_is_connecting: Update socket state. ; |
5976 | hidnplayr | 2399 | ; ; |
2400 | ; IN: eax = socket ptr ; |
||
2401 | ; ; |
||
2402 | ; OUT: / ; |
||
2403 | ; ; |
||
2404 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2405 | align 4 |
6011 | hidnplayr | 2406 | socket_is_connecting: |
3545 | hidnplayr | 2407 | |
3556 | hidnplayr | 2408 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2409 | |
4025 | hidnplayr | 2410 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2411 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
2412 | ret |
||
3545 | hidnplayr | 2413 | |
2414 | |||
2415 | |||
5976 | hidnplayr | 2416 | ;-----------------------------------------------------------------; |
2417 | ; ; |
||
6011 | hidnplayr | 2418 | ; socket_is_connected: Update socket state. ; |
5976 | hidnplayr | 2419 | ; ; |
2420 | ; IN: eax = socket ptr ; |
||
2421 | ; ; |
||
2422 | ; OUT: / ; |
||
2423 | ; ; |
||
2424 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2425 | align 4 |
6011 | hidnplayr | 2426 | socket_is_connected: |
3545 | hidnplayr | 2427 | |
3556 | hidnplayr | 2428 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2429 | |
3674 | hidnplayr | 2430 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2431 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
6011 | hidnplayr | 2432 | jmp socket_notify |
3545 | hidnplayr | 2433 | |
2434 | |||
2435 | |||
2436 | |||
5976 | hidnplayr | 2437 | ;-----------------------------------------------------------------; |
2438 | ; ; |
||
6011 | hidnplayr | 2439 | ; socket_is_disconnecting: Update socket state. ; |
5976 | hidnplayr | 2440 | ; ; |
2441 | ; IN: eax = socket ptr ; |
||
2442 | ; ; |
||
2443 | ; OUT: / ; |
||
2444 | ; ; |
||
2445 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2446 | align 4 |
6011 | hidnplayr | 2447 | socket_is_disconnecting: |
3545 | hidnplayr | 2448 | |
3556 | hidnplayr | 2449 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2450 | |
3674 | hidnplayr | 2451 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2452 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2453 | jmp socket_notify |
3545 | hidnplayr | 2454 | |
2455 | |||
2456 | |||
5976 | hidnplayr | 2457 | ;-----------------------------------------------------------------; |
2458 | ; ; |
||
6011 | hidnplayr | 2459 | ; socket_is_disconnected: Update socket state. ; |
5976 | hidnplayr | 2460 | ; ; |
2461 | ; IN: eax = socket ptr ; |
||
2462 | ; ; |
||
2463 | ; OUT: / ; |
||
2464 | ; ; |
||
2465 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2466 | align 4 |
6011 | hidnplayr | 2467 | socket_is_disconnected: |
3545 | hidnplayr | 2468 | |
3556 | hidnplayr | 2469 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2470 | |
3674 | hidnplayr | 2471 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2472 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2473 | jmp socket_notify |
3545 | hidnplayr | 2474 | |
2475 | |||
2476 | |||
5976 | hidnplayr | 2477 | ;-----------------------------------------------------------------; |
2478 | ; ; |
||
6011 | hidnplayr | 2479 | ; socket_cant_recv_more: Update socket state. ; |
5976 | hidnplayr | 2480 | ; ; |
2481 | ; IN: eax = socket ptr ; |
||
2482 | ; ; |
||
2483 | ; OUT: / ; |
||
2484 | ; ; |
||
2485 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2486 | align 4 |
6011 | hidnplayr | 2487 | socket_cant_recv_more: |
3545 | hidnplayr | 2488 | |
3556 | hidnplayr | 2489 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2490 | |
3674 | hidnplayr | 2491 | or [eax + SOCKET.state], SS_CANTRCVMORE |
6011 | hidnplayr | 2492 | jmp socket_notify |
3545 | hidnplayr | 2493 | |
3565 | hidnplayr | 2494 | |
3545 | hidnplayr | 2495 | |
5976 | hidnplayr | 2496 | ;-----------------------------------------------------------------; |
2497 | ; ; |
||
6011 | hidnplayr | 2498 | ; socket_cant_send_more: Update socket state. ; |
5976 | hidnplayr | 2499 | ; ; |
2500 | ; IN: eax = socket ptr ; |
||
2501 | ; ; |
||
2502 | ; OUT: / ; |
||
2503 | ; ; |
||
2504 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2505 | align 4 |
6011 | hidnplayr | 2506 | socket_cant_send_more: |
3545 | hidnplayr | 2507 | |
3556 | hidnplayr | 2508 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2509 | |
3674 | hidnplayr | 2510 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2511 | mov [eax + SOCKET.snd_proc], .notconn |
6011 | hidnplayr | 2512 | jmp socket_notify |
3545 | hidnplayr | 2513 | |
3658 | hidnplayr | 2514 | .notconn: |
3673 | hidnplayr | 2515 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2516 | mov dword[esp+32], -1 |
5356 | serge | 2517 | ret |