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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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7974 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2020. 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: 7974 $ |
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_flags dd ? |
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67 | |||
68 | ;--------------- |
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69 | ; RFC783 page 21 |
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70 | |||
71 | ; send sequence |
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5976 | hidnplayr | 72 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
73 | SND_NXT dd ? ; next send sequence number to use |
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74 | SND_UP dd ? ; urgent pointer |
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6476 | hidnplayr | 75 | SND_WL1 dd ? ; the sequence number of the last segment used to update the send window |
76 | SND_WL2 dd ? ; the acknowledgment number of the last segment used to update the send window |
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5976 | hidnplayr | 77 | ISS dd ? ; initial send sequence number |
78 | SND_WND dd ? ; send window |
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3545 | hidnplayr | 79 | |
80 | ; receive sequence |
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5976 | hidnplayr | 81 | RCV_WND dd ? ; receive window |
82 | RCV_NXT dd ? ; next receive sequence number to use |
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83 | RCV_UP dd ? ; urgent pointer |
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84 | IRS dd ? ; initial receive sequence number |
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3545 | hidnplayr | 85 | |
86 | ;--------------------- |
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87 | ; Additional variables |
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88 | |||
89 | ; receive variables |
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90 | RCV_ADV dd ? |
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91 | |||
92 | ; retransmit variables |
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93 | SND_MAX dd ? |
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94 | |||
95 | ; congestion control |
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4339 | hidnplayr | 96 | SND_CWND dd ? ; congestion window |
97 | SND_SSTHRESH dd ? ; slow start threshold |
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3545 | hidnplayr | 98 | |
99 | ;---------------------- |
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100 | ; Transmit timing stuff |
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101 | t_idle dd ? |
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5442 | hidnplayr | 102 | t_rtt dd ? ; round trip time |
3545 | hidnplayr | 103 | t_rtseq dd ? |
5442 | hidnplayr | 104 | t_srtt dd ? ; smoothed round trip time |
3545 | hidnplayr | 105 | t_rttvar dd ? |
106 | t_rttmin dd ? |
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107 | max_sndwnd dd ? |
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108 | |||
109 | ;----------------- |
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110 | ; Out-of-band data |
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111 | t_oobflags dd ? |
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112 | t_iobc dd ? |
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113 | t_softerror dd ? |
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114 | |||
115 | |||
116 | ;--------- |
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117 | ; RFC 1323 ; the order of next 4 elements may not change |
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118 | |||
119 | SND_SCALE db ? |
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120 | RCV_SCALE db ? |
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121 | requested_s_scale db ? |
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122 | request_r_scale db ? |
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123 | |||
124 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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125 | ts_recent_age dd ? |
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126 | last_ack_sent dd ? |
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127 | |||
128 | |||
129 | ;------- |
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130 | ; Timers |
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3600 | hidnplayr | 131 | timer_flags dd ? |
5976 | hidnplayr | 132 | timer_retransmission dd ? ; rexmt |
3545 | hidnplayr | 133 | timer_persist dd ? |
5976 | hidnplayr | 134 | timer_keepalive dd ? ; keepalive/syn timeout |
135 | timer_timed_wait dd ? ; also used as 2msl timer |
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4021 | hidnplayr | 136 | timer_connect dd ? |
3545 | hidnplayr | 137 | |
138 | ; extra |
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139 | |||
5976 | hidnplayr | 140 | ts_ecr dd ? ; timestamp echo reply |
3545 | hidnplayr | 141 | ts_val dd ? |
142 | |||
5976 | hidnplayr | 143 | seg_next dd ? ; re-assembly queue |
3545 | hidnplayr | 144 | |
145 | ends |
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146 | |||
147 | struct UDP_SOCKET IP_SOCKET |
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148 | |||
5976 | hidnplayr | 149 | LocalPort dw ? ; in network byte order |
150 | RemotePort dw ? ; in network byte order |
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3545 | hidnplayr | 151 | |
152 | ends |
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153 | |||
154 | struct RING_BUFFER |
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155 | |||
156 | mutex MUTEX |
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5976 | hidnplayr | 157 | start_ptr dd ? ; Pointer to start of buffer |
158 | end_ptr dd ? ; pointer to end of buffer |
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159 | read_ptr dd ? ; Read pointer |
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160 | write_ptr dd ? ; Write pointer |
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161 | size dd ? ; Number of bytes buffered |
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3545 | hidnplayr | 162 | |
163 | ends |
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164 | |||
165 | struct STREAM_SOCKET TCP_SOCKET |
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166 | |||
167 | rcv RING_BUFFER |
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168 | snd RING_BUFFER |
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169 | |||
170 | ends |
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171 | |||
172 | struct socket_queue_entry |
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173 | |||
174 | data_ptr dd ? |
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5522 | hidnplayr | 175 | data_size dd ? |
3545 | hidnplayr | 176 | buf_ptr dd ? |
177 | |||
178 | ends |
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179 | |||
5976 | hidnplayr | 180 | struct socket_options |
3545 | hidnplayr | 181 | |
5976 | hidnplayr | 182 | level dd ? |
183 | optname dd ? |
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184 | optlen dd ? |
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185 | optval dd ? |
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3545 | hidnplayr | 186 | |
5976 | hidnplayr | 187 | ends |
188 | |||
6413 | hidnplayr | 189 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
5976 | hidnplayr | 190 | |
191 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
||
3545 | hidnplayr | 192 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
6413 | hidnplayr | 193 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
3545 | hidnplayr | 194 | |
195 | uglobal |
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3698 | hidnplayr | 196 | align 4 |
197 | |||
3545 | hidnplayr | 198 | net_sockets rd 4 |
199 | last_socket_num dd ? |
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5976 | hidnplayr | 200 | last_UDP_port dw ? ; last used ephemeral port |
201 | last_TCP_port dw ? ; |
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3647 | hidnplayr | 202 | socket_mutex MUTEX |
3698 | hidnplayr | 203 | |
3545 | hidnplayr | 204 | endg |
205 | |||
206 | |||
5976 | hidnplayr | 207 | ;-----------------------------------------------------------------; |
208 | ; ; |
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6011 | hidnplayr | 209 | ; socket_init ; |
5976 | hidnplayr | 210 | ; ; |
211 | ;-----------------------------------------------------------------; |
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6011 | hidnplayr | 212 | macro socket_init { |
3545 | hidnplayr | 213 | |
214 | xor eax, eax |
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215 | mov edi, net_sockets |
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216 | mov ecx, 5 |
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3711 | clevermous | 217 | rep stosd |
3545 | hidnplayr | 218 | |
219 | @@: |
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220 | pseudo_random eax |
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3600 | hidnplayr | 221 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 222 | jb @r |
3600 | hidnplayr | 223 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 224 | ja @r |
225 | xchg al, ah |
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226 | mov [last_UDP_port], ax |
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227 | |||
228 | @@: |
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229 | pseudo_random eax |
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3600 | hidnplayr | 230 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 231 | jb @r |
3600 | hidnplayr | 232 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 233 | ja @r |
234 | xchg al, ah |
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235 | mov [last_TCP_port], ax |
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236 | |||
3647 | hidnplayr | 237 | mov ecx, socket_mutex |
238 | call mutex_init |
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239 | |||
3545 | hidnplayr | 240 | } |
241 | |||
5976 | hidnplayr | 242 | ;-----------------------------------------------------------------; |
243 | ; ; |
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244 | ; Sockets API (system function 75) ; |
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245 | ; ; |
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246 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 247 | align 4 |
248 | sys_socket: |
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249 | |||
3673 | hidnplayr | 250 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 251 | |
3545 | hidnplayr | 252 | cmp ebx, 255 |
6011 | hidnplayr | 253 | jz socket_debug |
3545 | hidnplayr | 254 | |
255 | cmp ebx, .number |
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3658 | hidnplayr | 256 | ja .error |
3545 | hidnplayr | 257 | jmp dword [.table + 4*ebx] |
258 | |||
259 | .table: |
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6011 | hidnplayr | 260 | dd socket_open ; 0 |
261 | dd socket_close ; 1 |
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262 | dd socket_bind ; 2 |
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263 | dd socket_listen ; 3 |
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264 | dd socket_connect ; 4 |
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265 | dd socket_accept ; 5 |
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266 | dd socket_send ; 6 |
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267 | dd socket_receive ; 7 |
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268 | dd socket_set_opt ; 8 |
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269 | dd socket_get_opt ; 9 |
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270 | dd socket_pair ; 10 |
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3545 | hidnplayr | 271 | .number = ($ - .table) / 4 - 1 |
272 | |||
3658 | hidnplayr | 273 | .error: |
274 | mov dword[esp+32], -1 |
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3673 | hidnplayr | 275 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 276 | |
277 | ret |
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278 | |||
5976 | hidnplayr | 279 | ;-----------------------------------------------------------------; |
280 | ; ; |
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6011 | hidnplayr | 281 | ; socket_open: Create a new socket. ; |
5976 | hidnplayr | 282 | ; ; |
283 | ; IN: ecx = domain ; |
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284 | ; edx = type ; |
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285 | ; esi = protocol ; |
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286 | ; ; |
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287 | ; OUT: eax = socket number ; |
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288 | ; eax = -1 on error ; |
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289 | ; ebx = errorcode on error ; |
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290 | ; ; |
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291 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 292 | align 4 |
6011 | hidnplayr | 293 | socket_open: |
3545 | hidnplayr | 294 | |
7974 | hidnplayr | 295 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x\n", ecx, edx, esi |
3545 | hidnplayr | 296 | |
297 | push ecx edx esi |
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6011 | hidnplayr | 298 | call socket_alloc |
3545 | hidnplayr | 299 | pop esi edx ecx |
4535 | hidnplayr | 300 | test eax, eax |
3658 | hidnplayr | 301 | jz .nobuffs |
3545 | hidnplayr | 302 | |
5976 | hidnplayr | 303 | mov [esp+32], edi ; return socketnumber |
7974 | hidnplayr | 304 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: socknum=%u\n", edi |
3545 | hidnplayr | 305 | |
3705 | hidnplayr | 306 | test edx, SO_NONBLOCK |
307 | jz @f |
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308 | or [eax + SOCKET.options], SO_NONBLOCK |
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309 | and edx, not SO_NONBLOCK |
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310 | @@: |
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3545 | hidnplayr | 311 | |
312 | mov [eax + SOCKET.Domain], ecx |
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313 | mov [eax + SOCKET.Type], edx |
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314 | mov [eax + SOCKET.Protocol], esi |
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4030 | hidnplayr | 315 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 316 | |
317 | cmp ecx, AF_INET4 |
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318 | jne .no_inet4 |
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319 | |||
5842 | hidnplayr | 320 | mov [eax + IP_SOCKET.ttl], 128 |
321 | |||
3545 | hidnplayr | 322 | cmp edx, SOCK_DGRAM |
323 | je .udp |
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324 | |||
325 | cmp edx, SOCK_STREAM |
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326 | je .tcp |
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327 | |||
328 | cmp edx, SOCK_RAW |
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329 | je .raw |
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330 | |||
331 | .no_inet4: |
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332 | cmp ecx, AF_PPP |
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333 | jne .no_ppp |
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334 | |||
335 | cmp esi, PPP_PROTO_ETHERNET |
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336 | je .pppoe |
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337 | |||
338 | .no_ppp: |
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3658 | hidnplayr | 339 | .unsupported: |
340 | push eax |
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6011 | hidnplayr | 341 | call socket_free |
3658 | hidnplayr | 342 | pop eax |
3673 | hidnplayr | 343 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 344 | mov dword[esp+32], -1 |
3545 | hidnplayr | 345 | ret |
346 | |||
3658 | hidnplayr | 347 | .nobuffs: |
3673 | hidnplayr | 348 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 349 | mov dword[esp+32], -1 |
350 | ret |
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351 | |||
3545 | hidnplayr | 352 | .raw: |
5976 | hidnplayr | 353 | test esi, esi ; IP_PROTO_IP |
3658 | hidnplayr | 354 | jz .raw_ip |
3545 | hidnplayr | 355 | |
356 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 357 | je .raw_icmp |
3545 | hidnplayr | 358 | |
3658 | hidnplayr | 359 | jmp .unsupported |
3545 | hidnplayr | 360 | |
361 | align 4 |
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362 | .udp: |
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5842 | hidnplayr | 363 | push eax |
364 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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365 | pop eax |
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366 | |||
3545 | hidnplayr | 367 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
6011 | hidnplayr | 368 | mov [eax + SOCKET.snd_proc], socket_send_udp |
369 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
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370 | mov [eax + SOCKET.connect_proc], udp_connect |
||
3545 | hidnplayr | 371 | ret |
372 | |||
373 | align 4 |
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374 | .tcp: |
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375 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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6011 | hidnplayr | 376 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
7974 | hidnplayr | 377 | mov [eax + SOCKET.rcv_proc], socket_receive_tcp |
6011 | hidnplayr | 378 | mov [eax + SOCKET.connect_proc], tcp_connect |
3545 | hidnplayr | 379 | |
6011 | hidnplayr | 380 | tcp_init_socket eax |
3545 | hidnplayr | 381 | ret |
382 | |||
383 | |||
384 | align 4 |
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3658 | hidnplayr | 385 | .raw_ip: |
5842 | hidnplayr | 386 | push eax |
387 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
388 | pop eax |
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389 | |||
6011 | hidnplayr | 390 | mov [eax + SOCKET.snd_proc], socket_send_ip |
391 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
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392 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 393 | ret |
394 | |||
395 | |||
396 | align 4 |
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3658 | hidnplayr | 397 | .raw_icmp: |
5842 | hidnplayr | 398 | push eax |
399 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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400 | pop eax |
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401 | |||
6011 | hidnplayr | 402 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
403 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
404 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 405 | ret |
406 | |||
407 | align 4 |
||
408 | .pppoe: |
||
409 | push eax |
||
410 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
411 | pop eax |
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412 | |||
6011 | hidnplayr | 413 | mov [eax + SOCKET.snd_proc], socket_send_pppoe |
414 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
3545 | hidnplayr | 415 | ret |
416 | |||
417 | |||
5976 | hidnplayr | 418 | ;-----------------------------------------------------------------; |
419 | ; ; |
||
6011 | hidnplayr | 420 | ; socket_bind: Bind to a local port. ; |
5976 | hidnplayr | 421 | ; ; |
422 | ; IN: ecx = socket number ; |
||
423 | ; edx = pointer to sockaddr struct ; |
||
424 | ; esi = length of sockaddr struct ; |
||
425 | ; ; |
||
426 | ; OUT: eax = 0 on success ; |
||
427 | ; eax = -1 on error ; |
||
428 | ; ebx = errorcode on error ; |
||
429 | ; ; |
||
430 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 431 | align 4 |
6011 | hidnplayr | 432 | socket_bind: |
3545 | hidnplayr | 433 | |
3556 | hidnplayr | 434 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 435 | |
6011 | hidnplayr | 436 | call socket_num_to_ptr |
5969 | hidnplayr | 437 | test eax, eax |
3658 | hidnplayr | 438 | jz .invalid |
3545 | hidnplayr | 439 | |
440 | cmp esi, 2 |
||
3658 | hidnplayr | 441 | jb .invalid |
3545 | hidnplayr | 442 | |
5976 | hidnplayr | 443 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
4052 | hidnplayr | 444 | jnz .invalid |
445 | |||
6011 | hidnplayr | 446 | cmp word[edx], AF_INET4 |
3545 | hidnplayr | 447 | je .af_inet4 |
448 | |||
6011 | hidnplayr | 449 | cmp word[edx], AF_LOCAL |
3545 | hidnplayr | 450 | je .af_local |
451 | |||
3658 | hidnplayr | 452 | .notsupp: |
3673 | hidnplayr | 453 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 454 | mov dword[esp+32], -1 |
455 | ret |
||
3545 | hidnplayr | 456 | |
3658 | hidnplayr | 457 | .invalid: |
3673 | hidnplayr | 458 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 459 | mov dword[esp+32], -1 |
460 | ret |
||
461 | |||
3545 | hidnplayr | 462 | .af_local: |
463 | ; TODO: write code here |
||
3658 | hidnplayr | 464 | mov dword[esp+32], 0 |
3545 | hidnplayr | 465 | ret |
466 | |||
467 | .af_inet4: |
||
468 | cmp esi, 6 |
||
3658 | hidnplayr | 469 | jb .invalid |
3545 | hidnplayr | 470 | |
471 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
472 | je .udp |
||
473 | |||
474 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
475 | je .tcp |
||
476 | |||
3658 | hidnplayr | 477 | jmp .notsupp |
3545 | hidnplayr | 478 | |
479 | .tcp: |
||
480 | .udp: |
||
4052 | hidnplayr | 481 | pushd [edx + 4] ; First, fill in the IP |
482 | popd [eax + IP_SOCKET.LocalIP] |
||
3545 | hidnplayr | 483 | |
4052 | hidnplayr | 484 | mov bx, [edx + 2] ; Did caller specify a local port? |
485 | test bx, bx |
||
486 | jnz .just_check |
||
6011 | hidnplayr | 487 | call socket_find_port ; Nope, find an ephemeral one |
4052 | hidnplayr | 488 | jmp .done |
489 | |||
490 | .just_check: |
||
6011 | hidnplayr | 491 | call socket_check_port ; Yes, check if it's still available |
4052 | hidnplayr | 492 | jz .addrinuse ; ZF is set by socket_check_port on error |
493 | |||
494 | .done: |
||
3556 | hidnplayr | 495 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 496 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
497 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
498 | |||
3658 | hidnplayr | 499 | mov dword[esp+32], 0 |
3545 | hidnplayr | 500 | ret |
501 | |||
3658 | hidnplayr | 502 | .addrinuse: |
503 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 504 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 505 | ret |
3545 | hidnplayr | 506 | |
507 | |||
508 | |||
3658 | hidnplayr | 509 | |
5976 | hidnplayr | 510 | ;-----------------------------------------------------------------; |
511 | ; ; |
||
6011 | hidnplayr | 512 | ; socket_connect: Connect to the remote host. ; |
5976 | hidnplayr | 513 | ; ; |
514 | ; IN: ecx = socket number ; |
||
515 | ; edx = pointer to sockaddr struct ; |
||
516 | ; esi = length of sockaddr struct ; |
||
517 | ; ; |
||
518 | ; OUT: eax = 0 on success ; |
||
519 | ; eax = -1 on error ; |
||
520 | ; ebx = errorcode on error ; |
||
521 | ; ; |
||
522 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 523 | align 4 |
6011 | hidnplayr | 524 | socket_connect: |
3545 | hidnplayr | 525 | |
3556 | hidnplayr | 526 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 527 | |
6011 | hidnplayr | 528 | call socket_num_to_ptr |
5969 | hidnplayr | 529 | test eax, eax |
3658 | hidnplayr | 530 | jz .invalid |
3545 | hidnplayr | 531 | |
532 | cmp esi, 8 |
||
3658 | hidnplayr | 533 | jb .invalid |
3545 | hidnplayr | 534 | |
4025 | hidnplayr | 535 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
536 | je .already |
||
537 | |||
538 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
539 | jnz .notsupp |
||
540 | |||
4030 | hidnplayr | 541 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 542 | |
4030 | hidnplayr | 543 | mov dword[esp+20], ebx |
544 | mov dword[esp+32], eax |
||
545 | ret |
||
546 | |||
547 | |||
3658 | hidnplayr | 548 | .notsupp: |
3673 | hidnplayr | 549 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 550 | mov dword[esp+32], -1 |
551 | ret |
||
3545 | hidnplayr | 552 | |
3658 | hidnplayr | 553 | .invalid: |
3673 | hidnplayr | 554 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 555 | mov dword[esp+32], -1 |
556 | ret |
||
557 | |||
4025 | hidnplayr | 558 | .already: |
559 | mov dword[esp+20], EALREADY |
||
560 | mov dword[esp+32], -1 |
||
561 | ret |
||
562 | |||
563 | |||
4030 | hidnplayr | 564 | connect_notsupp: |
565 | xor eax, eax |
||
566 | dec eax |
||
567 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 568 | ret |
569 | |||
4025 | hidnplayr | 570 | |
5976 | hidnplayr | 571 | ;-----------------------------------------------------------------; |
572 | ; ; |
||
6011 | hidnplayr | 573 | ; socket_listen: Listen for incoming connections. ; |
5976 | hidnplayr | 574 | ; ; |
575 | ; IN: ecx = socket number ; |
||
576 | ; edx = backlog in edx ; |
||
577 | ; ; |
||
578 | ; OUT: eax = 0 on success ; |
||
579 | ; eax = -1 on error ; |
||
580 | ; ebx = errorcode on error ; |
||
581 | ; ; |
||
582 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 583 | align 4 |
6011 | hidnplayr | 584 | socket_listen: |
3545 | hidnplayr | 585 | |
3556 | hidnplayr | 586 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 587 | |
6011 | hidnplayr | 588 | call socket_num_to_ptr |
5969 | hidnplayr | 589 | test eax, eax |
3658 | hidnplayr | 590 | jz .invalid |
3545 | hidnplayr | 591 | |
592 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 593 | jne .notsupp |
3545 | hidnplayr | 594 | |
595 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 596 | jne .invalid |
3545 | hidnplayr | 597 | |
598 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 599 | je .already |
3545 | hidnplayr | 600 | |
601 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
602 | jne @f |
||
7678 | hidnplayr | 603 | push [IPv4_address + 4] ;;; fixme!!!! |
3545 | hidnplayr | 604 | pop [eax + IP_SOCKET.LocalIP] |
605 | @@: |
||
606 | |||
607 | cmp edx, MAX_backlog |
||
608 | jbe @f |
||
609 | mov edx, MAX_backlog |
||
610 | @@: |
||
611 | |||
612 | mov [eax + SOCKET.backlog], dx |
||
613 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
614 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
615 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
616 | |||
617 | push eax |
||
618 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
619 | pop eax |
||
620 | |||
3658 | hidnplayr | 621 | mov dword[esp+32], 0 |
622 | ret |
||
3545 | hidnplayr | 623 | |
3658 | hidnplayr | 624 | .notsupp: |
3673 | hidnplayr | 625 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 626 | mov dword[esp+32], -1 |
3545 | hidnplayr | 627 | ret |
628 | |||
3658 | hidnplayr | 629 | .invalid: |
3673 | hidnplayr | 630 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 631 | mov dword[esp+32], -1 |
632 | ret |
||
3545 | hidnplayr | 633 | |
3658 | hidnplayr | 634 | .already: |
3673 | hidnplayr | 635 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 636 | mov dword[esp+32], -1 |
637 | ret |
||
638 | |||
639 | |||
5976 | hidnplayr | 640 | ;-----------------------------------------------------------------; |
641 | ; ; |
||
6011 | hidnplayr | 642 | ; socket_accept: Accept an incoming connection. ; |
5976 | hidnplayr | 643 | ; ; |
644 | ; IN: ecx = socket number (of listening socket) ; |
||
645 | ; edx = ptr to sockaddr struct ; |
||
646 | ; esi = length of sockaddr struct ; |
||
647 | ; ; |
||
648 | ; OUT: eax = newly created socket num ; |
||
649 | ; eax = -1 on error ; |
||
650 | ; ebx = errorcode on error ; |
||
651 | ; ; |
||
652 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 653 | align 4 |
6011 | hidnplayr | 654 | socket_accept: |
3545 | hidnplayr | 655 | |
3556 | hidnplayr | 656 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 657 | |
6011 | hidnplayr | 658 | call socket_num_to_ptr |
5969 | hidnplayr | 659 | test eax, eax |
3658 | hidnplayr | 660 | jz .invalid |
3545 | hidnplayr | 661 | |
662 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 663 | jz .invalid |
3545 | hidnplayr | 664 | |
665 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 666 | jne .notsupp |
3545 | hidnplayr | 667 | |
668 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 669 | jne .invalid |
3545 | hidnplayr | 670 | |
671 | .loop: |
||
672 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
673 | |||
674 | ; Ok, we got a socket ptr |
||
675 | mov eax, [esi] |
||
676 | |||
5969 | hidnplayr | 677 | ; Verify that it is (still) a valid socket |
6011 | hidnplayr | 678 | call socket_check |
5969 | hidnplayr | 679 | jz .invalid |
680 | |||
681 | ; Change sockets thread owner ID to that of the current thread |
||
3545 | hidnplayr | 682 | mov ebx, [TASK_BASE] |
683 | mov ebx, [ebx + TASKDATA.pid] |
||
684 | mov [eax + SOCKET.TID], ebx |
||
685 | |||
5969 | hidnplayr | 686 | ; Return socket number to caller |
687 | mov eax, [eax + SOCKET.Number] |
||
3545 | hidnplayr | 688 | mov [esp+32], eax |
689 | ret |
||
690 | |||
691 | .block: |
||
692 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 693 | jnz .wouldblock |
6908 | ashmew2 | 694 | |
6011 | hidnplayr | 695 | call socket_block |
3545 | hidnplayr | 696 | jmp .loop |
697 | |||
3658 | hidnplayr | 698 | .wouldblock: |
3673 | hidnplayr | 699 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 700 | mov dword[esp+32], -1 |
701 | ret |
||
702 | |||
703 | .invalid: |
||
3673 | hidnplayr | 704 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 705 | mov dword[esp+32], -1 |
706 | ret |
||
707 | |||
708 | .notsupp: |
||
3673 | hidnplayr | 709 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 710 | mov dword[esp+32], -1 |
711 | ret |
||
712 | |||
5976 | hidnplayr | 713 | ;-----------------------------------------------------------------; |
714 | ; ; |
||
6011 | hidnplayr | 715 | ; socket_close: Close the socket (and connection). ; |
5976 | hidnplayr | 716 | ; ; |
717 | ; IN: ecx = socket number ; |
||
718 | ; ; |
||
719 | ; OUT: eax = 0 on success ; |
||
720 | ; eax = -1 on error ; |
||
721 | ; ebx = errorcode on error ; |
||
722 | ; ; |
||
723 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 724 | align 4 |
6011 | hidnplayr | 725 | socket_close: |
3545 | hidnplayr | 726 | |
3556 | hidnplayr | 727 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 728 | |
6011 | hidnplayr | 729 | call socket_num_to_ptr |
5969 | hidnplayr | 730 | test eax, eax |
3658 | hidnplayr | 731 | jz .invalid |
3545 | hidnplayr | 732 | |
3658 | hidnplayr | 733 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 734 | |
735 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
736 | |||
737 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
738 | jz @f |
||
6011 | hidnplayr | 739 | call socket_notify ; Unblock it. |
3545 | hidnplayr | 740 | @@: |
741 | |||
742 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
743 | jne .free |
||
744 | |||
745 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
746 | je .tcp |
||
747 | |||
748 | .free: |
||
6011 | hidnplayr | 749 | call socket_free |
3545 | hidnplayr | 750 | ret |
751 | |||
752 | .tcp: |
||
6011 | hidnplayr | 753 | call tcp_usrclosed |
3545 | hidnplayr | 754 | |
4366 | hidnplayr | 755 | test eax, eax |
756 | jz @f |
||
6011 | hidnplayr | 757 | call tcp_output ; If connection is not closed yet, send the FIN |
4366 | hidnplayr | 758 | @@: |
3545 | hidnplayr | 759 | ret |
760 | |||
761 | |||
3658 | hidnplayr | 762 | .invalid: |
3673 | hidnplayr | 763 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 764 | mov dword[esp+32], -1 |
765 | ret |
||
766 | |||
767 | |||
5976 | hidnplayr | 768 | ;-----------------------------------------------------------------; |
769 | ; ; |
||
6011 | hidnplayr | 770 | ; socket_receive: Receive some data from the remote end. ; |
5976 | hidnplayr | 771 | ; ; |
772 | ; IN: ecx = socket number ; |
||
773 | ; edx = addr to application buffer ; |
||
774 | ; edx = length of application buffer ; |
||
775 | ; edi = flags ; |
||
776 | ; ; |
||
777 | ; OUT: eax = number of bytes copied ; |
||
778 | ; eax = -1 on error ; |
||
779 | ; eax = 0 when socket has been closed by the remote end ; |
||
780 | ; ebx = errorcode on error ; |
||
781 | ; ; |
||
782 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 783 | align 4 |
6011 | hidnplayr | 784 | socket_receive: |
3545 | hidnplayr | 785 | |
3556 | hidnplayr | 786 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 787 | |
6011 | hidnplayr | 788 | call socket_num_to_ptr |
5969 | hidnplayr | 789 | test eax, eax |
3658 | hidnplayr | 790 | jz .invalid |
3545 | hidnplayr | 791 | |
3704 | hidnplayr | 792 | .loop: |
793 | push edi |
||
3565 | hidnplayr | 794 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 795 | pop edi |
3545 | hidnplayr | 796 | |
4219 | hidnplayr | 797 | test [eax + SOCKET.state], SS_CANTRCVMORE |
5364 | hidnplayr | 798 | jnz .last_data |
4219 | hidnplayr | 799 | |
3704 | hidnplayr | 800 | cmp ebx, EWOULDBLOCK |
801 | jne .return |
||
802 | |||
803 | test edi, MSG_DONTWAIT |
||
804 | jnz .return_err |
||
805 | |||
5976 | hidnplayr | 806 | test [eax + SOCKET.options], SO_NONBLOCK |
807 | jnz .return_err |
||
6908 | ashmew2 | 808 | |
6011 | hidnplayr | 809 | call socket_block |
3704 | hidnplayr | 810 | jmp .loop |
811 | |||
812 | |||
813 | .invalid: |
||
814 | push EINVAL |
||
815 | pop ebx |
||
816 | .return_err: |
||
4219 | hidnplayr | 817 | mov ecx, -1 |
3704 | hidnplayr | 818 | .return: |
3673 | hidnplayr | 819 | mov [esp+20], ebx |
4219 | hidnplayr | 820 | mov [esp+32], ecx |
3565 | hidnplayr | 821 | ret |
3545 | hidnplayr | 822 | |
5364 | hidnplayr | 823 | .last_data: |
824 | test ecx, ecx |
||
825 | jz .return |
||
6011 | hidnplayr | 826 | call socket_notify ; Call me again! |
5364 | hidnplayr | 827 | jmp .return |
3565 | hidnplayr | 828 | |
3658 | hidnplayr | 829 | |
3704 | hidnplayr | 830 | |
831 | |||
3545 | hidnplayr | 832 | align 4 |
6011 | hidnplayr | 833 | socket_receive_dgram: |
3704 | hidnplayr | 834 | |
3556 | hidnplayr | 835 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 836 | |
5976 | hidnplayr | 837 | test edi, MSG_PEEK |
838 | jnz .peek |
||
3545 | hidnplayr | 839 | |
5976 | hidnplayr | 840 | mov ebx, esi ; buffer length |
841 | |||
3704 | hidnplayr | 842 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 843 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 844 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 845 | |
3704 | hidnplayr | 846 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 847 | ja .too_small |
848 | |||
4219 | hidnplayr | 849 | push eax ecx |
3545 | hidnplayr | 850 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
851 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 852 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 853 | |
3704 | hidnplayr | 854 | ; copy the data from kernel buffer to application buffer |
855 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 856 | shr ecx, 1 |
857 | jnc .nb |
||
858 | movsb |
||
859 | .nb: |
||
860 | shr ecx, 1 |
||
861 | jnc .nw |
||
862 | movsw |
||
863 | .nw: |
||
864 | test ecx, ecx |
||
865 | jz .nd |
||
3711 | clevermous | 866 | rep movsd |
3545 | hidnplayr | 867 | .nd: |
868 | |||
6011 | hidnplayr | 869 | call net_buff_free |
4219 | hidnplayr | 870 | pop ecx eax ; return number of bytes copied to application |
5976 | hidnplayr | 871 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
872 | je @f |
||
6011 | hidnplayr | 873 | call socket_notify ; Queue another network event |
5976 | hidnplayr | 874 | @@: |
875 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 876 | ret |
877 | |||
878 | .too_small: |
||
4219 | hidnplayr | 879 | mov ecx, -1 |
3704 | hidnplayr | 880 | push EMSGSIZE |
881 | pop ebx |
||
3565 | hidnplayr | 882 | ret |
3545 | hidnplayr | 883 | |
3658 | hidnplayr | 884 | .wouldblock: |
3704 | hidnplayr | 885 | push EWOULDBLOCK |
886 | pop ebx |
||
3658 | hidnplayr | 887 | ret |
3545 | hidnplayr | 888 | |
5976 | hidnplayr | 889 | .peek: |
890 | xor ebx, ebx |
||
891 | xor ecx, ecx |
||
892 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
||
893 | je @f |
||
894 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
||
895 | mov ecx, [esi + socket_queue_entry.data_size] |
||
896 | @@: |
||
897 | ret |
||
3658 | hidnplayr | 898 | |
7974 | hidnplayr | 899 | align 4 |
900 | socket_receive_tcp: |
||
3704 | hidnplayr | 901 | |
7974 | hidnplayr | 902 | call socket_receive_stream |
903 | |||
904 | test ecx, ecx |
||
905 | jz @f |
||
906 | push eax ebx ecx |
||
907 | call tcp_output |
||
908 | pop ecx ebx eax |
||
909 | @@: |
||
910 | |||
911 | ret |
||
912 | |||
913 | |||
3545 | hidnplayr | 914 | align 4 |
6011 | hidnplayr | 915 | socket_receive_local: |
3545 | hidnplayr | 916 | |
917 | ; does this socket have a PID yet? |
||
918 | cmp [eax + SOCKET.PID], 0 |
||
919 | jne @f |
||
920 | |||
921 | ; Change PID to that of current process |
||
922 | mov ebx, [TASK_BASE] |
||
923 | mov ebx, [ebx + TASKDATA.pid] |
||
924 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 925 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 926 | @@: |
927 | |||
6011 | hidnplayr | 928 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
3545 | hidnplayr | 929 | |
3704 | hidnplayr | 930 | ; ... continue to SOCKET_receive_stream |
931 | |||
3545 | hidnplayr | 932 | align 4 |
6011 | hidnplayr | 933 | socket_receive_stream: |
3545 | hidnplayr | 934 | |
3556 | hidnplayr | 935 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 936 | |
7680 | hidnplayr | 937 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
3704 | hidnplayr | 938 | je .wouldblock |
939 | |||
940 | test edi, MSG_PEEK |
||
941 | jnz .peek |
||
942 | |||
3545 | hidnplayr | 943 | mov ecx, esi |
944 | mov edi, edx |
||
945 | xor edx, edx |
||
946 | |||
4219 | hidnplayr | 947 | push eax |
3545 | hidnplayr | 948 | add eax, STREAM_SOCKET.rcv |
6011 | hidnplayr | 949 | call socket_ring_read ; copy data from kernel buffer to application buffer |
950 | call socket_ring_free ; free read memory |
||
4219 | hidnplayr | 951 | pop eax |
3545 | hidnplayr | 952 | |
7680 | hidnplayr | 953 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
5364 | hidnplayr | 954 | jne .more_data |
3704 | hidnplayr | 955 | xor ebx, ebx ; errorcode = 0 (no error) |
3545 | hidnplayr | 956 | ret |
957 | |||
5364 | hidnplayr | 958 | .more_data: |
6011 | hidnplayr | 959 | call socket_notify ; Queue another network event |
5364 | hidnplayr | 960 | xor ebx, ebx ; errorcode = 0 (no error) |
961 | ret |
||
962 | |||
3704 | hidnplayr | 963 | .wouldblock: |
964 | push EWOULDBLOCK |
||
965 | pop ebx |
||
4219 | hidnplayr | 966 | xor ecx, ecx |
3704 | hidnplayr | 967 | ret |
968 | |||
3545 | hidnplayr | 969 | .peek: |
7680 | hidnplayr | 970 | mov ecx, [eax + STREAM_SOCKET.rcv.size] |
3704 | hidnplayr | 971 | xor ebx, ebx |
3545 | hidnplayr | 972 | ret |
973 | |||
974 | |||
5976 | hidnplayr | 975 | ;-----------------------------------------------------------------; |
976 | ; ; |
||
6011 | hidnplayr | 977 | ; socket_send: Send some data to the remote end. ; |
5976 | hidnplayr | 978 | ; ; |
979 | ; IN: ecx = socket number ; |
||
980 | ; edx = pointer to data ; |
||
981 | ; esi = data length ; |
||
982 | ; edi = flags ; |
||
983 | ; ; |
||
984 | ; OUT: eax = number of bytes sent ; |
||
985 | ; eax = -1 on error ; |
||
986 | ; ebx = errorcode on error ; |
||
987 | ; ; |
||
988 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 989 | align 4 |
6011 | hidnplayr | 990 | socket_send: |
3545 | hidnplayr | 991 | |
3556 | hidnplayr | 992 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 993 | |
6011 | hidnplayr | 994 | call socket_num_to_ptr |
5969 | hidnplayr | 995 | test eax, eax |
3658 | hidnplayr | 996 | jz .invalid |
3545 | hidnplayr | 997 | |
998 | mov ecx, esi |
||
999 | mov esi, edx |
||
1000 | |||
1001 | jmp [eax + SOCKET.snd_proc] |
||
1002 | |||
3658 | hidnplayr | 1003 | .invalid: |
3673 | hidnplayr | 1004 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1005 | mov dword[esp+32], -1 |
1006 | ret |
||
3545 | hidnplayr | 1007 | |
3658 | hidnplayr | 1008 | |
3545 | hidnplayr | 1009 | align 4 |
6011 | hidnplayr | 1010 | socket_send_udp: |
3545 | hidnplayr | 1011 | |
3556 | hidnplayr | 1012 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 1013 | |
1014 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1015 | call udp_output |
3545 | hidnplayr | 1016 | cmp eax, -1 |
3658 | hidnplayr | 1017 | je .error |
3545 | hidnplayr | 1018 | ret |
1019 | |||
3658 | hidnplayr | 1020 | .error: |
1021 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1022 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 1023 | ret |
3545 | hidnplayr | 1024 | |
3658 | hidnplayr | 1025 | |
3545 | hidnplayr | 1026 | align 4 |
6011 | hidnplayr | 1027 | socket_send_tcp: |
3545 | hidnplayr | 1028 | |
3556 | hidnplayr | 1029 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1030 | |
1031 | push eax |
||
1032 | add eax, STREAM_SOCKET.snd |
||
6011 | hidnplayr | 1033 | call socket_ring_write |
3545 | hidnplayr | 1034 | pop eax |
1035 | |||
1036 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1037 | mov [eax + SOCKET.errorcode], 0 |
1038 | push eax |
||
6011 | hidnplayr | 1039 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
3658 | hidnplayr | 1040 | pop eax |
1041 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 1042 | mov [esp+20], eax |
3545 | hidnplayr | 1043 | ret |
1044 | |||
1045 | |||
1046 | align 4 |
||
6011 | hidnplayr | 1047 | socket_send_ip: |
3545 | hidnplayr | 1048 | |
3556 | hidnplayr | 1049 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1050 | |
1051 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1052 | call ipv4_output_raw |
3545 | hidnplayr | 1053 | cmp eax, -1 |
3658 | hidnplayr | 1054 | je .error |
3545 | hidnplayr | 1055 | ret |
1056 | |||
3658 | hidnplayr | 1057 | .error: |
5842 | hidnplayr | 1058 | mov dword[esp+32], eax |
1059 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1060 | ret |
3545 | hidnplayr | 1061 | |
3658 | hidnplayr | 1062 | |
3545 | hidnplayr | 1063 | align 4 |
6011 | hidnplayr | 1064 | socket_send_icmp: |
3545 | hidnplayr | 1065 | |
3556 | hidnplayr | 1066 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1067 | |
1068 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1069 | call icmp_output_raw |
3545 | hidnplayr | 1070 | cmp eax, -1 |
3658 | hidnplayr | 1071 | je .error |
3545 | hidnplayr | 1072 | ret |
1073 | |||
3658 | hidnplayr | 1074 | .error: |
5842 | hidnplayr | 1075 | mov dword[esp+32], eax |
1076 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1077 | ret |
3545 | hidnplayr | 1078 | |
3658 | hidnplayr | 1079 | |
3545 | hidnplayr | 1080 | align 4 |
6011 | hidnplayr | 1081 | socket_send_pppoe: |
3545 | hidnplayr | 1082 | |
3556 | hidnplayr | 1083 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1084 | |
1085 | mov [esp+32], ecx |
||
1086 | mov ebx, [eax + SOCKET.device] |
||
1087 | |||
6011 | hidnplayr | 1088 | call pppoe_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1089 | cmp eax, -1 |
3658 | hidnplayr | 1090 | je .error |
3545 | hidnplayr | 1091 | ret |
1092 | |||
3658 | hidnplayr | 1093 | .error: |
1094 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1095 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1096 | ret |
3545 | hidnplayr | 1097 | |
1098 | |||
3658 | hidnplayr | 1099 | |
3545 | hidnplayr | 1100 | align 4 |
6011 | hidnplayr | 1101 | socket_send_local: |
3545 | hidnplayr | 1102 | |
1103 | ; does this socket have a PID yet? |
||
1104 | cmp [eax + SOCKET.PID], 0 |
||
1105 | jne @f |
||
1106 | |||
1107 | ; Change PID to that of current process |
||
1108 | mov ebx, [TASK_BASE] |
||
1109 | mov ebx, [ebx + TASKDATA.pid] |
||
1110 | mov [eax + SOCKET.PID], ebx |
||
1111 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1112 | @@: |
||
6011 | hidnplayr | 1113 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
3545 | hidnplayr | 1114 | |
1115 | align 4 |
||
6011 | hidnplayr | 1116 | socket_send_local_initialized: |
3545 | hidnplayr | 1117 | |
3556 | hidnplayr | 1118 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1119 | |
1120 | ; get the other side's socket and check if it still exists |
||
1121 | mov eax, [eax + SOCKET.device] |
||
6011 | hidnplayr | 1122 | call socket_check |
3658 | hidnplayr | 1123 | jz .invalid |
3545 | hidnplayr | 1124 | |
1125 | ; allright, shove in the data! |
||
1126 | push eax |
||
1127 | add eax, STREAM_SOCKET.rcv |
||
6011 | hidnplayr | 1128 | call socket_ring_write |
3545 | hidnplayr | 1129 | pop eax |
1130 | |||
1131 | ; return the number of written bytes (or errorcode) to application |
||
1132 | mov [esp+32], ecx |
||
1133 | |||
1134 | ; and notify the other end |
||
6011 | hidnplayr | 1135 | call socket_notify |
3545 | hidnplayr | 1136 | |
1137 | ret |
||
1138 | |||
3658 | hidnplayr | 1139 | .invalid: |
1140 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1141 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1142 | ret |
3545 | hidnplayr | 1143 | |
3658 | hidnplayr | 1144 | |
5976 | hidnplayr | 1145 | ;-----------------------------------------------------------------; |
1146 | ; ; |
||
6011 | hidnplayr | 1147 | ; socket_get_opt: Read a socket option ; |
5976 | hidnplayr | 1148 | ; ; |
1149 | ; IN: ecx = socket number ; |
||
1150 | ; edx = pointer to socket options struct ; |
||
1151 | ; ; |
||
1152 | ; OUT: eax = 0 on success ; |
||
1153 | ; eax = -1 on error ; |
||
1154 | ; ebx = errorcode on error ; |
||
1155 | ; ; |
||
1156 | ;-----------------------------------------------------------------; |
||
1157 | align 4 |
||
6011 | hidnplayr | 1158 | socket_get_opt: |
5976 | hidnplayr | 1159 | |
1160 | ; FIXME: |
||
3545 | hidnplayr | 1161 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1162 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1163 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1164 | |||
3556 | hidnplayr | 1165 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1166 | |
6011 | hidnplayr | 1167 | call socket_num_to_ptr |
5969 | hidnplayr | 1168 | test eax, eax |
3658 | hidnplayr | 1169 | jz .invalid |
3545 | hidnplayr | 1170 | |
1171 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1172 | jne .invalid |
3545 | hidnplayr | 1173 | cmp dword [edx+4], -2 |
1174 | je @f |
||
1175 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1176 | jne .invalid |
3545 | hidnplayr | 1177 | @@: |
1178 | ; mov eax, [edx+12] |
||
1179 | ; test eax, eax |
||
1180 | ; jz .fail |
||
1181 | ; cmp dword [eax], 4 |
||
1182 | ; mov dword [eax], 4 |
||
1183 | ; jb .fail |
||
1184 | ; stdcall net_socket_num_to_addr, ecx |
||
1185 | ; test eax, eax |
||
1186 | ; jz .fail |
||
1187 | ; ; todo: check that eax is really TCP socket |
||
1188 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1189 | ; cmp dword [edx+4], -2 |
||
1190 | ; jz @f |
||
1191 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1192 | @@: |
||
1193 | mov eax, [edx+8] |
||
1194 | test eax, eax |
||
1195 | jz @f |
||
1196 | mov [eax], ecx |
||
1197 | @@: |
||
1198 | mov dword [esp+32], 0 |
||
1199 | ret |
||
1200 | |||
3658 | hidnplayr | 1201 | .invalid: |
1202 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1203 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1204 | ret |
3545 | hidnplayr | 1205 | |
1206 | |||
5976 | hidnplayr | 1207 | ;-----------------------------------------------------------------; |
1208 | ; ; |
||
6011 | hidnplayr | 1209 | ; socket_set_options: Set a socket option. ; |
5976 | hidnplayr | 1210 | ; ; |
1211 | ; IN: ecx = socket number ; |
||
1212 | ; edx = pointer to socket options struct ; |
||
1213 | ; ; |
||
1214 | ; OUT: eax = 0 on success ; |
||
1215 | ; eax = -1 on error ; |
||
1216 | ; ebx = errorcode on error ; |
||
1217 | ; ; |
||
1218 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1219 | align 4 |
6011 | hidnplayr | 1220 | socket_set_opt: |
3545 | hidnplayr | 1221 | |
3556 | hidnplayr | 1222 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1223 | |
6011 | hidnplayr | 1224 | call socket_num_to_ptr |
5969 | hidnplayr | 1225 | test eax, eax |
3658 | hidnplayr | 1226 | jz .invalid |
3545 | hidnplayr | 1227 | |
5842 | hidnplayr | 1228 | cmp [edx + socket_options.level], IP_PROTO_IP |
1229 | je .ip |
||
1230 | cmp [edx + socket_options.level], SOL_SOCKET |
||
3658 | hidnplayr | 1231 | jne .invalid |
3545 | hidnplayr | 1232 | |
5842 | hidnplayr | 1233 | .socket: |
1234 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
||
1235 | jne .invalid |
||
3545 | hidnplayr | 1236 | |
1237 | .bind: |
||
5842 | hidnplayr | 1238 | cmp [edx + socket_options.optlen], 0 |
3545 | hidnplayr | 1239 | je .unbind |
1240 | |||
5842 | hidnplayr | 1241 | movzx edx, byte[edx + socket_options.optval] |
3600 | hidnplayr | 1242 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1243 | ja .invalid |
3545 | hidnplayr | 1244 | |
7679 | hidnplayr | 1245 | mov edx, [net_device_list + 4*edx] |
3545 | hidnplayr | 1246 | test edx, edx |
3658 | hidnplayr | 1247 | jz .already |
3545 | hidnplayr | 1248 | mov [eax + SOCKET.device], edx |
1249 | |||
5584 | hidnplayr | 1250 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
3545 | hidnplayr | 1251 | |
3658 | hidnplayr | 1252 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1253 | ret |
1254 | |||
1255 | .unbind: |
||
1256 | mov [eax + SOCKET.device], 0 |
||
1257 | |||
3658 | hidnplayr | 1258 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1259 | ret |
1260 | |||
5842 | hidnplayr | 1261 | .ip: |
1262 | cmp [edx + socket_options.optname], IP_TTL |
||
1263 | jne .invalid |
||
1264 | |||
1265 | .ttl: |
||
1266 | mov bl, byte[edx + socket_options.optval] |
||
1267 | mov [eax + IP_SOCKET.ttl], bl |
||
1268 | |||
1269 | mov dword[esp+32], 0 ; success! |
||
1270 | ret |
||
1271 | |||
3658 | hidnplayr | 1272 | .already: |
3673 | hidnplayr | 1273 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1274 | mov dword[esp+32], -1 |
1275 | ret |
||
3545 | hidnplayr | 1276 | |
5842 | hidnplayr | 1277 | .invalid: |
1278 | mov dword[esp+20], EINVAL |
||
1279 | mov dword[esp+32], -1 |
||
1280 | ret |
||
3545 | hidnplayr | 1281 | |
3658 | hidnplayr | 1282 | |
1283 | |||
5842 | hidnplayr | 1284 | |
5976 | hidnplayr | 1285 | ;-----------------------------------------------------------------; |
1286 | ; ; |
||
6011 | hidnplayr | 1287 | ; socket_pair: Allocate a pair of linked local sockets. ; |
5976 | hidnplayr | 1288 | ; ; |
1289 | ; IN: / ; |
||
1290 | ; ; |
||
1291 | ; OUT: eax = socket1 num on success ; |
||
1292 | ; eax = -1 on error ; |
||
1293 | ; ebx = socket2 num on success ; |
||
1294 | ; ebx = errorcode on error ; |
||
1295 | ; ; |
||
1296 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1297 | align 4 |
6011 | hidnplayr | 1298 | socket_pair: |
3545 | hidnplayr | 1299 | |
3556 | hidnplayr | 1300 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1301 | |
6011 | hidnplayr | 1302 | call socket_alloc |
4535 | hidnplayr | 1303 | test eax, eax |
3658 | hidnplayr | 1304 | jz .nomem1 |
3545 | hidnplayr | 1305 | mov [esp+32], edi ; application's eax |
1306 | |||
1307 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1308 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1309 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1310 | mov [eax + SOCKET.snd_proc], socket_send_local |
1311 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1312 | mov [eax + SOCKET.PID], 0 |
1313 | mov ebx, eax |
||
1314 | |||
6011 | hidnplayr | 1315 | call socket_alloc |
4535 | hidnplayr | 1316 | test eax, eax |
3658 | hidnplayr | 1317 | jz .nomem2 |
3673 | hidnplayr | 1318 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1319 | |
1320 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1321 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1322 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1323 | mov [eax + SOCKET.snd_proc], socket_send_local |
1324 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1325 | mov [eax + SOCKET.PID], 0 |
1326 | |||
1327 | ; Link the two sockets to eachother |
||
1328 | mov [eax + SOCKET.device], ebx |
||
1329 | mov [ebx + SOCKET.device], eax |
||
1330 | |||
1331 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1332 | call socket_ring_create |
5155 | hidnplayr | 1333 | test eax, eax |
5969 | hidnplayr | 1334 | jz .nomem2 |
3545 | hidnplayr | 1335 | |
1336 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1337 | call socket_ring_create |
5155 | hidnplayr | 1338 | test eax, eax |
1339 | jz .nomem2 |
||
3545 | hidnplayr | 1340 | |
1341 | ret |
||
1342 | |||
3658 | hidnplayr | 1343 | .nomem2: |
5969 | hidnplayr | 1344 | mov eax, [esp+20] |
6011 | hidnplayr | 1345 | call socket_free |
5969 | hidnplayr | 1346 | |
3658 | hidnplayr | 1347 | .nomem1: |
5969 | hidnplayr | 1348 | mov eax, [esp+32] |
6011 | hidnplayr | 1349 | call socket_free |
5969 | hidnplayr | 1350 | |
3658 | hidnplayr | 1351 | mov dword[esp+32], -1 |
5969 | hidnplayr | 1352 | mov dword[esp+20], ENOMEM |
3658 | hidnplayr | 1353 | ret |
3545 | hidnplayr | 1354 | |
1355 | |||
1356 | |||
5976 | hidnplayr | 1357 | ;-----------------------------------------------------------------; |
1358 | ; ; |
||
6011 | hidnplayr | 1359 | ; socket_debug: Copy socket variables to application buffer. ; |
5976 | hidnplayr | 1360 | ; ; |
1361 | ; IN: ecx = socket number ; |
||
1362 | ; edx = pointer to application buffer ; |
||
1363 | ; ; |
||
1364 | ; OUT: eax = 0 on success ; |
||
1365 | ; eax = -1 on error ; |
||
1366 | ; ebx = errorcode on error ; |
||
1367 | ; ; |
||
1368 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1369 | align 4 |
6011 | hidnplayr | 1370 | socket_debug: |
3545 | hidnplayr | 1371 | |
3556 | hidnplayr | 1372 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1373 | |
1374 | mov edi, edx |
||
1375 | |||
1376 | test ecx, ecx |
||
1377 | jz .returnall |
||
1378 | |||
6011 | hidnplayr | 1379 | call socket_num_to_ptr |
5969 | hidnplayr | 1380 | test eax, eax |
3658 | hidnplayr | 1381 | jz .invalid |
3545 | hidnplayr | 1382 | |
1383 | mov esi, eax |
||
6413 | hidnplayr | 1384 | mov ecx, SOCKET_STRUCT_SIZE/4 |
3711 | clevermous | 1385 | rep movsd |
3545 | hidnplayr | 1386 | |
3658 | hidnplayr | 1387 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1388 | ret |
1389 | |||
1390 | .returnall: |
||
1391 | mov ebx, net_sockets |
||
1392 | .next_socket: |
||
1393 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1394 | test ebx, ebx |
||
1395 | jz .done |
||
1396 | mov eax, [ebx + SOCKET.Number] |
||
1397 | stosd |
||
1398 | jmp .next_socket |
||
1399 | .done: |
||
1400 | xor eax, eax |
||
1401 | stosd |
||
3658 | hidnplayr | 1402 | mov dword[esp+32], eax |
1403 | ret |
||
3545 | hidnplayr | 1404 | |
3658 | hidnplayr | 1405 | .invalid: |
1406 | mov dword[esp+32], -1 |
||
5969 | hidnplayr | 1407 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 1408 | ret |
1409 | |||
1410 | |||
5976 | hidnplayr | 1411 | ;-----------------------------------------------------------------; |
1412 | ; ____ ____ ; |
||
1413 | ; \ / End of sockets API \ / ; |
||
1414 | ; \/ \/ ; |
||
1415 | ; () Internally used functions follow () ; |
||
1416 | ; ; |
||
1417 | ;-----------------------------------------------------------------; |
||
1418 | |||
1419 | |||
1420 | ;-----------------------------------------------------------------; |
||
1421 | ; ; |
||
6011 | hidnplayr | 1422 | ; socket_find_port: ; |
5976 | hidnplayr | 1423 | ; Fill in the local port number for TCP and UDP sockets ; |
1424 | ; This procedure always works because the number of sockets is ; |
||
1425 | ; limited to a smaller number then the number of possible ports ; |
||
1426 | ; ; |
||
1427 | ; IN: eax = socket pointer ; |
||
1428 | ; ; |
||
1429 | ; OUT: / ; |
||
1430 | ; ; |
||
1431 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1432 | align 4 |
6011 | hidnplayr | 1433 | socket_find_port: |
3545 | hidnplayr | 1434 | |
3556 | hidnplayr | 1435 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1436 | |
1437 | push ebx esi ecx |
||
1438 | |||
1439 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1440 | je .udp |
||
1441 | |||
1442 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1443 | je .tcp |
||
1444 | |||
1445 | pop ecx esi ebx |
||
1446 | ret |
||
1447 | |||
1448 | .udp: |
||
1449 | mov bx, [last_UDP_port] |
||
1450 | call .findit |
||
1451 | mov [last_UDP_port], bx |
||
1452 | |||
1453 | pop ecx esi ebx |
||
1454 | ret |
||
1455 | |||
1456 | .tcp: |
||
1457 | mov bx, [last_TCP_port] |
||
1458 | call .findit |
||
1459 | mov [last_TCP_port], bx |
||
1460 | |||
1461 | pop ecx esi ebx |
||
1462 | ret |
||
1463 | |||
1464 | |||
1465 | .restart: |
||
1466 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1467 | .findit: |
||
1468 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1469 | je .restart |
||
1470 | |||
1471 | add bh, 1 |
||
1472 | adc bl, 0 |
||
1473 | |||
6011 | hidnplayr | 1474 | call socket_check_port |
3545 | hidnplayr | 1475 | jz .findit |
1476 | ret |
||
1477 | |||
1478 | |||
1479 | |||
5976 | hidnplayr | 1480 | ;-----------------------------------------------------------------; |
1481 | ; ; |
||
6011 | hidnplayr | 1482 | ; socket_check_port: (to be used with AF_INET only!) ; |
5976 | hidnplayr | 1483 | ; Checks if a local port number is unused ; |
1484 | ; If the proposed port number is unused, it is filled in in the ; |
||
6011 | hidnplayr | 1485 | ; socket structure. ; |
5976 | hidnplayr | 1486 | ; ; |
1487 | ; IN: eax = socket ptr ; |
||
1488 | ; bx = proposed socket number (network byte order) ; |
||
1489 | ; ; |
||
1490 | ; OUT: ZF = set on error ; |
||
1491 | ; ; |
||
1492 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1493 | align 4 |
6011 | hidnplayr | 1494 | socket_check_port: |
3545 | hidnplayr | 1495 | |
3556 | hidnplayr | 1496 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1497 | |
3647 | hidnplayr | 1498 | pusha |
1499 | mov ecx, socket_mutex |
||
1500 | call mutex_lock |
||
1501 | popa |
||
1502 | |||
3545 | hidnplayr | 1503 | mov ecx, [eax + SOCKET.Protocol] |
1504 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1505 | mov esi, net_sockets |
||
1506 | |||
1507 | .next_socket: |
||
1508 | mov esi, [esi + SOCKET.NextPtr] |
||
1509 | or esi, esi |
||
1510 | jz .port_ok |
||
1511 | |||
1512 | cmp [esi + SOCKET.Protocol], ecx |
||
1513 | jne .next_socket |
||
1514 | |||
1515 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1516 | jne .next_socket |
||
1517 | |||
1518 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1519 | jne .next_socket |
||
1520 | |||
3647 | hidnplayr | 1521 | pusha |
1522 | mov ecx, socket_mutex |
||
1523 | call mutex_unlock |
||
1524 | popa |
||
1525 | |||
3556 | hidnplayr | 1526 | 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 | 1527 | ret |
1528 | |||
1529 | .port_ok: |
||
3647 | hidnplayr | 1530 | pusha |
1531 | mov ecx, socket_mutex |
||
1532 | call mutex_unlock |
||
1533 | popa |
||
1534 | |||
3556 | hidnplayr | 1535 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1536 | mov [eax + UDP_SOCKET.LocalPort], bx |
1537 | or bx, bx ; clear the zero-flag |
||
1538 | ret |
||
1539 | |||
1540 | |||
1541 | |||
5976 | hidnplayr | 1542 | ;-----------------------------------------------------------------; |
1543 | ; ; |
||
6011 | hidnplayr | 1544 | ; socket_input: Update a (stateless) socket with received data. ; |
5976 | hidnplayr | 1545 | ; ; |
1546 | ; Note: The socket's mutex should already be set ! ; |
||
1547 | ; ; |
||
1548 | ; IN: eax = socket ptr ; |
||
1549 | ; ecx = data size ; |
||
1550 | ; esi = ptr to data ; |
||
1551 | ; [esp] = ptr to buf ; |
||
1552 | ; ; |
||
1553 | ; OUT: / ; |
||
1554 | ; ; |
||
1555 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1556 | align 4 |
6011 | hidnplayr | 1557 | socket_input: |
3545 | hidnplayr | 1558 | |
3556 | hidnplayr | 1559 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1560 | |
5522 | hidnplayr | 1561 | push ecx |
3545 | hidnplayr | 1562 | push esi |
1563 | mov esi, esp |
||
1564 | |||
6011 | hidnplayr | 1565 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
3545 | hidnplayr | 1566 | |
3556 | hidnplayr | 1567 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1568 | add esp, sizeof.socket_queue_entry |
1569 | |||
1570 | pusha |
||
1571 | lea ecx, [eax + SOCKET.mutex] |
||
1572 | call mutex_unlock |
||
1573 | popa |
||
1574 | |||
6011 | hidnplayr | 1575 | jmp socket_notify |
3545 | hidnplayr | 1576 | |
1577 | .full: |
||
7680 | hidnplayr | 1578 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1579 | |
1580 | pusha |
||
1581 | lea ecx, [eax + SOCKET.mutex] |
||
1582 | call mutex_unlock |
||
1583 | popa |
||
1584 | |||
5842 | hidnplayr | 1585 | add esp, 8 |
6011 | hidnplayr | 1586 | call net_buff_free |
3545 | hidnplayr | 1587 | ret |
1588 | |||
1589 | |||
5976 | hidnplayr | 1590 | ;-----------------------------------------------------------------; |
1591 | ; ; |
||
6011 | hidnplayr | 1592 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
5976 | hidnplayr | 1593 | ; ; |
1594 | ; IN: eax = ptr to ring struct ; |
||
1595 | ; ; |
||
1596 | ; OUT: eax = 0 on error ; |
||
1597 | ; eax = start ptr ; |
||
1598 | ; ; |
||
1599 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1600 | align 4 |
6011 | hidnplayr | 1601 | socket_ring_create: |
3545 | hidnplayr | 1602 | |
1603 | push esi |
||
1604 | mov esi, eax |
||
1605 | |||
1606 | push edx |
||
6413 | hidnplayr | 1607 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
3545 | hidnplayr | 1608 | pop edx |
5155 | hidnplayr | 1609 | test eax, eax |
1610 | jz .fail |
||
3545 | hidnplayr | 1611 | |
5969 | hidnplayr | 1612 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
3545 | hidnplayr | 1613 | |
1614 | pusha |
||
1615 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1616 | call mutex_init |
||
1617 | popa |
||
1618 | |||
1619 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1620 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1621 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1622 | mov [esi + RING_BUFFER.size], 0 |
||
6413 | hidnplayr | 1623 | add eax, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1624 | mov [esi + RING_BUFFER.end_ptr], eax |
1625 | mov eax, esi |
||
1626 | |||
5969 | hidnplayr | 1627 | pop esi |
1628 | ret |
||
1629 | |||
5155 | hidnplayr | 1630 | .fail: |
5969 | hidnplayr | 1631 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
5566 | hidnplayr | 1632 | pop esi |
3545 | hidnplayr | 1633 | ret |
1634 | |||
5976 | hidnplayr | 1635 | ;-----------------------------------------------------------------; |
1636 | ; ; |
||
6011 | hidnplayr | 1637 | ; socket_ring_write: Write data to ring buffer. ; |
5976 | hidnplayr | 1638 | ; ; |
1639 | ; IN: eax = ptr to ring struct ; |
||
1640 | ; ecx = data size ; |
||
1641 | ; esi = ptr to data ; |
||
1642 | ; ; |
||
1643 | ; OUT: ecx = number of bytes stored ; |
||
1644 | ; ; |
||
1645 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1646 | align 4 |
6011 | hidnplayr | 1647 | socket_ring_write: |
3545 | hidnplayr | 1648 | |
3556 | hidnplayr | 1649 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1650 | |
1651 | ; lock mutex |
||
1652 | pusha |
||
1653 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1654 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1655 | popa |
||
1656 | |||
1657 | ; calculate available size |
||
6413 | hidnplayr | 1658 | mov edi, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1659 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1660 | cmp ecx, edi |
||
1661 | jbe .copy |
||
1662 | mov ecx, edi |
||
1663 | .copy: |
||
1664 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1665 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1666 | |
1667 | ; update write ptr |
||
1668 | push edi |
||
1669 | add edi, ecx |
||
1670 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1671 | jb @f |
||
6413 | hidnplayr | 1672 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
3545 | hidnplayr | 1673 | @@: |
1674 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1675 | pop edi |
||
1676 | |||
1677 | ; update size |
||
1678 | add [eax + RING_BUFFER.size], ecx |
||
1679 | |||
1680 | ; copy the data |
||
1681 | push ecx |
||
1682 | shr ecx, 1 |
||
1683 | jnc .nb |
||
1684 | movsb |
||
1685 | .nb: |
||
1686 | shr ecx, 1 |
||
1687 | jnc .nw |
||
1688 | movsw |
||
1689 | .nw: |
||
1690 | test ecx, ecx |
||
1691 | jz .nd |
||
3711 | clevermous | 1692 | rep movsd |
3545 | hidnplayr | 1693 | .nd: |
1694 | pop ecx |
||
1695 | |||
1696 | ; unlock mutex |
||
4344 | hidnplayr | 1697 | pusha |
3545 | hidnplayr | 1698 | lea ecx, [eax + RING_BUFFER.mutex] |
1699 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
4344 | hidnplayr | 1700 | popa |
3545 | hidnplayr | 1701 | |
1702 | ret |
||
1703 | |||
5976 | hidnplayr | 1704 | ;-----------------------------------------------------------------; |
1705 | ; ; |
||
6011 | hidnplayr | 1706 | ; socket_ring_read: Read from ring buffer ; |
5976 | hidnplayr | 1707 | ; ; |
1708 | ; IN: eax = ring struct ptr ; |
||
1709 | ; ecx = bytes to read ; |
||
1710 | ; edx = offset ; |
||
1711 | ; edi = ptr to buffer start ; |
||
1712 | ; ; |
||
1713 | ; OUT: eax = unchanged ; |
||
1714 | ; ecx = number of bytes read (0 on error) ; |
||
1715 | ; edx = destroyed ; |
||
1716 | ; esi = destroyed ; |
||
1717 | ; edi = ptr to buffer end ; |
||
1718 | ; ; |
||
1719 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1720 | align 4 |
6011 | hidnplayr | 1721 | socket_ring_read: |
3545 | hidnplayr | 1722 | |
3556 | hidnplayr | 1723 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1724 | |
1725 | pusha |
||
1726 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1727 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1728 | popa |
||
1729 | |||
1730 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1731 | add esi, edx ; esi = start_ptr + offset |
||
1732 | |||
1733 | neg edx |
||
1734 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1735 | jle .no_data_at_all |
||
1736 | |||
1737 | pusha |
||
1738 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1739 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1740 | popa |
||
1741 | |||
1742 | cmp ecx, edx |
||
1743 | ja .less_data |
||
1744 | |||
1745 | .copy: |
||
3556 | hidnplayr | 1746 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1747 | push ecx |
1748 | shr ecx, 1 |
||
1749 | jnc .nb |
||
1750 | movsb |
||
1751 | .nb: |
||
1752 | shr ecx, 1 |
||
1753 | jnc .nw |
||
1754 | movsw |
||
1755 | .nw: |
||
1756 | test ecx, ecx |
||
1757 | jz .nd |
||
3711 | clevermous | 1758 | rep movsd |
3545 | hidnplayr | 1759 | .nd: |
1760 | pop ecx |
||
1761 | ret |
||
1762 | |||
1763 | .no_data_at_all: |
||
1764 | pusha |
||
1765 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1766 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1767 | popa |
||
1768 | |||
7680 | hidnplayr | 1769 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1770 | xor ecx, ecx |
1771 | ret |
||
1772 | |||
1773 | .less_data: |
||
1774 | mov ecx, edx |
||
1775 | jmp .copy |
||
1776 | |||
1777 | |||
5976 | hidnplayr | 1778 | ;-----------------------------------------------------------------; |
1779 | ; ; |
||
6011 | hidnplayr | 1780 | ; socket_ring_free: Free data from a ringbuffer. ; |
5976 | hidnplayr | 1781 | ; ; |
1782 | ; IN: eax = ptr to ring struct ; |
||
1783 | ; ecx = data size ; |
||
1784 | ; ; |
||
1785 | ; OUT: ecx = number of freed bytes ; |
||
1786 | ; ; |
||
1787 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1788 | align 4 |
6011 | hidnplayr | 1789 | socket_ring_free: |
3545 | hidnplayr | 1790 | |
3556 | hidnplayr | 1791 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1792 | |
1793 | push eax ecx |
||
1794 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1795 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1796 | pop ecx eax |
||
1797 | |||
1798 | sub [eax + RING_BUFFER.size], ecx |
||
1799 | jb .error |
||
1800 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1801 | |||
1802 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1803 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1804 | jb @f |
||
6413 | hidnplayr | 1805 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1806 | @@: |
1807 | |||
1808 | push eax ecx |
||
1809 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1810 | call mutex_unlock |
||
1811 | pop ecx eax |
||
1812 | |||
1813 | ret |
||
1814 | |||
1815 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
7680 | hidnplayr | 1816 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1817 | add [eax + RING_BUFFER.size], ecx |
1818 | |||
1819 | push eax |
||
1820 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1821 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1822 | pop eax |
||
1823 | |||
1824 | xor ecx, ecx |
||
1825 | ret |
||
1826 | |||
1827 | |||
5976 | hidnplayr | 1828 | ;-----------------------------------------------------------------; |
1829 | ; ; |
||
6011 | hidnplayr | 1830 | ; socket_block: Suspend the thread attached to a socket. ; |
5976 | hidnplayr | 1831 | ; ; |
1832 | ; IN: eax = socket ptr ; |
||
1833 | ; ; |
||
1834 | ; OUT: eax = unchanged ; |
||
1835 | ; ; |
||
1836 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1837 | align 4 |
6011 | hidnplayr | 1838 | socket_block: |
3545 | hidnplayr | 1839 | |
6908 | ashmew2 | 1840 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1841 | |
4520 | hidnplayr | 1842 | push eax |
1843 | |||
3545 | hidnplayr | 1844 | pushf |
1845 | cli |
||
1846 | ; Set the 'socket is blocked' flag |
||
1847 | or [eax + SOCKET.state], SS_BLOCKED |
||
1848 | |||
1849 | ; Suspend the thread |
||
1850 | push edx |
||
1851 | mov edx, [TASK_BASE] |
||
7974 | hidnplayr | 1852 | mov [edx + TASKDATA.state], TSTATE_RUN_SUSPENDED |
3545 | hidnplayr | 1853 | |
1854 | ; Remember the thread ID so we can wake it up again |
||
1855 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1856 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1857 | mov [eax + SOCKET.TID], edx |
1858 | pop edx |
||
4520 | hidnplayr | 1859 | popf |
3545 | hidnplayr | 1860 | |
1861 | call change_task |
||
3674 | hidnplayr | 1862 | pop eax |
3545 | hidnplayr | 1863 | |
6908 | ashmew2 | 1864 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
3545 | hidnplayr | 1865 | |
1866 | ret |
||
1867 | |||
1868 | |||
5976 | hidnplayr | 1869 | ;-----------------------------------------------------------------; |
1870 | ; ; |
||
6011 | hidnplayr | 1871 | ; socket_notify: Wake up socket owner thread. ; |
5976 | hidnplayr | 1872 | ; ; |
1873 | ; IN: eax = socket ptr ; |
||
1874 | ; ; |
||
1875 | ; OUT: eax = unchanged ; |
||
1876 | ; ; |
||
1877 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1878 | align 4 |
6011 | hidnplayr | 1879 | socket_notify: |
3545 | hidnplayr | 1880 | |
3556 | hidnplayr | 1881 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1882 | |
6011 | hidnplayr | 1883 | call socket_check |
3545 | hidnplayr | 1884 | jz .error |
1885 | |||
4527 | hidnplayr | 1886 | ; Find the associated thread's TASK_DATA |
1887 | push ebx ecx esi |
||
1888 | mov ebx, [eax + SOCKET.TID] |
||
1889 | test ebx, ebx |
||
1890 | jz .error2 |
||
1891 | xor ecx, ecx |
||
3545 | hidnplayr | 1892 | inc ecx |
4527 | hidnplayr | 1893 | mov esi, TASK_DATA |
1894 | .next: |
||
1895 | cmp [esi + TASKDATA.pid], ebx |
||
1896 | je .found |
||
1897 | inc ecx |
||
7974 | hidnplayr | 1898 | add esi, sizeof.TASKDATA |
3545 | hidnplayr | 1899 | cmp ecx, [TASK_COUNT] |
4527 | hidnplayr | 1900 | jbe .next |
1901 | |||
1902 | .error2: |
||
3545 | hidnplayr | 1903 | ; PID not found, TODO: close socket! |
4527 | hidnplayr | 1904 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1905 | pop esi ecx ebx |
||
1906 | ret |
||
3545 | hidnplayr | 1907 | |
4527 | hidnplayr | 1908 | .error: |
4528 | hidnplayr | 1909 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
4527 | hidnplayr | 1910 | ret |
1911 | |||
1912 | .found: |
||
1913 | test [eax + SOCKET.state], SS_BLOCKED |
||
4528 | hidnplayr | 1914 | jnz .un_block |
4527 | hidnplayr | 1915 | |
5976 | hidnplayr | 1916 | ; Socket and thread exists and socket is of non blocking type. |
4527 | hidnplayr | 1917 | ; We'll try to flag an event to the thread. |
3545 | hidnplayr | 1918 | shl ecx, 8 |
6908 | ashmew2 | 1919 | or [SLOT_BASE + ecx + APPDATA.event_mask], EVENT_NETWORK |
3545 | hidnplayr | 1920 | |
6413 | hidnplayr | 1921 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
4527 | hidnplayr | 1922 | pop esi ecx ebx |
1923 | ret |
||
3545 | hidnplayr | 1924 | |
4527 | hidnplayr | 1925 | |
4528 | hidnplayr | 1926 | .un_block: |
5976 | hidnplayr | 1927 | ; Socket and thread exists and socket is of blocking type |
4527 | hidnplayr | 1928 | ; We'll try to unblock it. |
1929 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
||
7974 | hidnplayr | 1930 | mov [esi + TASKDATA.state], TSTATE_RUNNING ; Run the thread |
3545 | hidnplayr | 1931 | |
6908 | ashmew2 | 1932 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
4527 | hidnplayr | 1933 | pop esi ecx ebx |
3545 | hidnplayr | 1934 | ret |
1935 | |||
1936 | |||
5976 | hidnplayr | 1937 | ;-----------------------------------------------------------------; |
1938 | ; ; |
||
6011 | hidnplayr | 1939 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1940 | ; into the list. Newly created socket is initialized with calling ; |
||
1941 | ; PID and given a socket number. ; |
||
5976 | hidnplayr | 1942 | ; ; |
1943 | ; IN: / ; |
||
1944 | ; ; |
||
1945 | ; OUT: eax = socket ptr on success ; |
||
1946 | ; eax = 0 on error ; |
||
1947 | ; edi = socket number on success ; |
||
1948 | ; ; |
||
1949 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1950 | align 4 |
6011 | hidnplayr | 1951 | socket_alloc: |
3545 | hidnplayr | 1952 | |
1953 | push ebx |
||
1954 | |||
6413 | hidnplayr | 1955 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
5969 | hidnplayr | 1956 | or eax, eax |
1957 | jz .nomem |
||
3556 | hidnplayr | 1958 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1959 | |
1960 | ; zero-initialize allocated memory |
||
1961 | push eax |
||
1962 | mov edi, eax |
||
6413 | hidnplayr | 1963 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
3545 | hidnplayr | 1964 | xor eax, eax |
3711 | clevermous | 1965 | rep stosd |
3545 | hidnplayr | 1966 | pop eax |
1967 | |||
1968 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1969 | mov [eax + SOCKET.snd_proc], .not_yet |
1970 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1971 | |
3647 | hidnplayr | 1972 | pusha |
1973 | mov ecx, socket_mutex |
||
1974 | call mutex_lock |
||
1975 | popa |
||
1976 | |||
3545 | hidnplayr | 1977 | ; find first free socket number and use it |
1978 | mov edi, [last_socket_num] |
||
1979 | .next_socket_number: |
||
1980 | inc edi |
||
1981 | jz .next_socket_number ; avoid socket nr 0 |
||
1982 | cmp edi, -1 |
||
1983 | je .next_socket_number ; avoid socket nr -1 |
||
1984 | mov ebx, net_sockets |
||
1985 | .next_socket: |
||
1986 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1987 | test ebx, ebx |
||
1988 | jz .last_socket |
||
1989 | |||
1990 | cmp [ebx + SOCKET.Number], edi |
||
1991 | jne .next_socket |
||
1992 | jmp .next_socket_number |
||
1993 | |||
1994 | .last_socket: |
||
1995 | mov [last_socket_num], edi |
||
1996 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1997 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1998 | |
1999 | ; Fill in PID |
||
2000 | mov ebx, [TASK_BASE] |
||
2001 | mov ebx, [ebx + TASKDATA.pid] |
||
2002 | mov [eax + SOCKET.PID], ebx |
||
2003 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
2004 | |||
2005 | ; init mutex |
||
2006 | pusha |
||
2007 | lea ecx, [eax + SOCKET.mutex] |
||
2008 | call mutex_init |
||
2009 | popa |
||
2010 | |||
2011 | ; add socket to the list by re-arranging some pointers |
||
2012 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2013 | |||
2014 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2015 | mov [eax + SOCKET.NextPtr], ebx |
||
2016 | |||
2017 | test ebx, ebx |
||
2018 | jz @f |
||
2019 | |||
2020 | pusha |
||
2021 | lea ecx, [ebx + SOCKET.mutex] |
||
2022 | call mutex_lock |
||
2023 | popa |
||
2024 | |||
2025 | mov [ebx + SOCKET.PrevPtr], eax |
||
2026 | |||
2027 | pusha |
||
2028 | lea ecx, [ebx + SOCKET.mutex] |
||
2029 | call mutex_unlock |
||
2030 | popa |
||
2031 | @@: |
||
2032 | |||
2033 | mov [net_sockets + SOCKET.NextPtr], eax |
||
3647 | hidnplayr | 2034 | |
2035 | pusha |
||
2036 | mov ecx, socket_mutex |
||
2037 | call mutex_unlock |
||
2038 | popa |
||
3545 | hidnplayr | 2039 | pop ebx |
2040 | |||
2041 | ret |
||
2042 | |||
5969 | hidnplayr | 2043 | .nomem: |
2044 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
||
2045 | pop ebx |
||
2046 | ret |
||
2047 | |||
3658 | hidnplayr | 2048 | .not_yet: |
3673 | hidnplayr | 2049 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2050 | mov dword[esp+32], -1 |
2051 | ret |
||
3545 | hidnplayr | 2052 | |
3658 | hidnplayr | 2053 | |
5976 | hidnplayr | 2054 | ;-----------------------------------------------------------------; |
2055 | ; ; |
||
6011 | hidnplayr | 2056 | ; socket_free: Free socket data memory and remove socket from ; |
2057 | ; the list. Caller should lock and unlock socket_mutex. ; |
||
5976 | hidnplayr | 2058 | ; ; |
2059 | ; IN: eax = socket ptr ; |
||
2060 | ; ; |
||
2061 | ; OUT: / ; |
||
2062 | ; ; |
||
2063 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2064 | align 4 |
6011 | hidnplayr | 2065 | socket_free: |
3545 | hidnplayr | 2066 | |
3556 | hidnplayr | 2067 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2068 | |
6011 | hidnplayr | 2069 | call socket_check |
3545 | hidnplayr | 2070 | jz .error |
2071 | |||
2072 | push ebx |
||
2073 | |||
2074 | pusha |
||
2075 | lea ecx, [eax + SOCKET.mutex] |
||
2076 | call mutex_lock |
||
2077 | popa |
||
2078 | |||
5969 | hidnplayr | 2079 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2080 | jne .no_stream |
||
3545 | hidnplayr | 2081 | |
2082 | mov ebx, eax |
||
5969 | hidnplayr | 2083 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2084 | je @f |
||
2085 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
||
2086 | @@: |
||
2087 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
||
2088 | je @f |
||
2089 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2090 | @@: |
||
3545 | hidnplayr | 2091 | mov eax, ebx |
5969 | hidnplayr | 2092 | .no_stream: |
3545 | hidnplayr | 2093 | |
3652 | hidnplayr | 2094 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2095 | push eax ; this will be passed to kernel_free |
2096 | mov ebx, [eax + SOCKET.NextPtr] |
||
2097 | mov eax, [eax + SOCKET.PrevPtr] |
||
2098 | |||
3556 | hidnplayr | 2099 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2100 | |
2101 | test eax, eax |
||
2102 | jz @f |
||
2103 | mov [eax + SOCKET.NextPtr], ebx |
||
2104 | @@: |
||
2105 | |||
2106 | test ebx, ebx |
||
2107 | jz @f |
||
2108 | mov [ebx + SOCKET.PrevPtr], eax |
||
2109 | @@: |
||
2110 | |||
2111 | call kernel_free |
||
2112 | pop ebx |
||
2113 | |||
3652 | hidnplayr | 2114 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2115 | |||
2116 | .error: |
||
3545 | hidnplayr | 2117 | ret |
2118 | |||
5969 | hidnplayr | 2119 | .error1: |
2120 | pop ebx |
||
5976 | hidnplayr | 2121 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
5969 | hidnplayr | 2122 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2123 | ret |
||
2124 | |||
5976 | hidnplayr | 2125 | ;-----------------------------------------------------------------; |
2126 | ; ; |
||
6011 | hidnplayr | 2127 | ; socket_fork: Create a child socket. ; |
5976 | hidnplayr | 2128 | ; ; |
2129 | ; IN: ebx = socket number ; |
||
2130 | ; ; |
||
2131 | ; OUT: eax = child socket number on success ; |
||
2132 | ; eax = 0 on error ; |
||
2133 | ; ; |
||
2134 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2135 | align 4 |
6011 | hidnplayr | 2136 | socket_fork: |
3545 | hidnplayr | 2137 | |
3556 | hidnplayr | 2138 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2139 | |
2140 | ; Exit if backlog queue is full |
||
2141 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2142 | cmp ax, [ebx + SOCKET.backlog] |
||
2143 | jae .fail |
||
2144 | |||
2145 | ; Allocate new socket |
||
2146 | push ebx |
||
6011 | hidnplayr | 2147 | call socket_alloc |
3545 | hidnplayr | 2148 | pop ebx |
4535 | hidnplayr | 2149 | test eax, eax |
3545 | hidnplayr | 2150 | jz .fail |
2151 | |||
2152 | push eax |
||
2153 | mov esi, esp |
||
2154 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2155 | pop eax |
||
2156 | |||
2157 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2158 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2159 | ; TID will be filled in later |
||
3545 | hidnplayr | 2160 | lea esi, [ebx + SOCKET.PID] |
2161 | lea edi, [eax + SOCKET.PID] |
||
2162 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2163 | rep movsd |
3545 | hidnplayr | 2164 | |
2165 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2166 | |||
3817 | hidnplayr | 2167 | ; Notify owner of parent socket |
2168 | push eax |
||
2169 | mov eax, ebx |
||
6011 | hidnplayr | 2170 | call socket_notify |
3817 | hidnplayr | 2171 | pop eax |
2172 | |||
3545 | hidnplayr | 2173 | ret |
2174 | |||
2175 | .fail2: |
||
2176 | add esp, 4+4+4 |
||
2177 | .fail: |
||
3556 | hidnplayr | 2178 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2179 | xor eax, eax |
2180 | ret |
||
2181 | |||
2182 | |||
5976 | hidnplayr | 2183 | ;-----------------------------------------------------------------; |
2184 | ; ; |
||
6011 | hidnplayr | 2185 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
5976 | hidnplayr | 2186 | ; ; |
2187 | ; IN: ecx = socket number ; |
||
2188 | ; ; |
||
2189 | ; OUT: eax = socket ptr ; |
||
2190 | ; eax = 0 on error ; |
||
2191 | ; ; |
||
2192 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2193 | align 4 |
6011 | hidnplayr | 2194 | socket_num_to_ptr: |
3545 | hidnplayr | 2195 | |
3556 | hidnplayr | 2196 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2197 | |
3647 | hidnplayr | 2198 | pusha |
2199 | mov ecx, socket_mutex |
||
2200 | call mutex_lock |
||
2201 | popa |
||
2202 | |||
3545 | hidnplayr | 2203 | mov eax, net_sockets |
2204 | .next_socket: |
||
2205 | mov eax, [eax + SOCKET.NextPtr] |
||
5969 | hidnplayr | 2206 | test eax, eax |
3545 | hidnplayr | 2207 | jz .error |
2208 | cmp [eax + SOCKET.Number], ecx |
||
2209 | jne .next_socket |
||
2210 | |||
3647 | hidnplayr | 2211 | pusha |
2212 | mov ecx, socket_mutex |
||
2213 | call mutex_unlock |
||
2214 | popa |
||
2215 | |||
3556 | hidnplayr | 2216 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2217 | ret |
2218 | |||
2219 | .error: |
||
3647 | hidnplayr | 2220 | pusha |
2221 | mov ecx, socket_mutex |
||
2222 | call mutex_unlock |
||
2223 | popa |
||
2224 | |||
4574 | hidnplayr | 2225 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2226 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
||
3545 | hidnplayr | 2227 | ret |
2228 | |||
2229 | |||
5976 | hidnplayr | 2230 | ;-----------------------------------------------------------------; |
2231 | ; ; |
||
6011 | hidnplayr | 2232 | ; socket_ptr_to_num: Get socket number by its address. ; |
5976 | hidnplayr | 2233 | ; ; |
2234 | ; IN: eax = socket ptr ; |
||
2235 | ; ; |
||
2236 | ; OUT: eax = socket number ; |
||
2237 | ; eax = 0 on error ; |
||
2238 | ; ZF = set on error ; |
||
2239 | ; ; |
||
2240 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2241 | align 4 |
6011 | hidnplayr | 2242 | socket_ptr_to_num: |
3545 | hidnplayr | 2243 | |
3556 | hidnplayr | 2244 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2245 | |
6011 | hidnplayr | 2246 | call socket_check |
3545 | hidnplayr | 2247 | jz .error |
2248 | |||
2249 | mov eax, [eax + SOCKET.Number] |
||
2250 | |||
3556 | hidnplayr | 2251 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2252 | ret |
2253 | |||
2254 | .error: |
||
3556 | hidnplayr | 2255 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2256 | ret |
2257 | |||
2258 | |||
5976 | hidnplayr | 2259 | ;-----------------------------------------------------------------; |
2260 | ; ; |
||
6011 | hidnplayr | 2261 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
5976 | hidnplayr | 2262 | ; ; |
2263 | ; IN: eax = socket ptr ; |
||
2264 | ; ; |
||
2265 | ; OUT: eax = 0 on error ; |
||
2266 | ; ZF = set on error ; |
||
2267 | ; ; |
||
2268 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2269 | align 4 |
6011 | hidnplayr | 2270 | socket_check: |
3545 | hidnplayr | 2271 | |
3556 | hidnplayr | 2272 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2273 | |
5969 | hidnplayr | 2274 | test eax, eax |
2275 | jz .error |
||
3545 | hidnplayr | 2276 | push ebx |
2277 | mov ebx, net_sockets |
||
2278 | |||
2279 | .next_socket: |
||
2280 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2281 | or ebx, ebx |
||
2282 | jz .done |
||
2283 | cmp ebx, eax |
||
2284 | jnz .next_socket |
||
2285 | |||
2286 | .done: |
||
2287 | mov eax, ebx |
||
2288 | test eax, eax |
||
2289 | pop ebx |
||
5969 | hidnplayr | 2290 | ret |
3545 | hidnplayr | 2291 | |
5969 | hidnplayr | 2292 | .error: |
5976 | hidnplayr | 2293 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
5969 | hidnplayr | 2294 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
3545 | hidnplayr | 2295 | ret |
2296 | |||
2297 | |||
2298 | |||
5976 | hidnplayr | 2299 | ;-----------------------------------------------------------------; |
2300 | ; ; |
||
6011 | hidnplayr | 2301 | ; socket_check_owner: Check if the caller app owns the socket. ; |
5976 | hidnplayr | 2302 | ; ; |
2303 | ; IN: eax = socket ptr ; |
||
2304 | ; ; |
||
2305 | ; OUT: ZF = true/false ; |
||
2306 | ; ; |
||
2307 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2308 | align 4 |
6011 | hidnplayr | 2309 | socket_check_owner: |
3545 | hidnplayr | 2310 | |
3556 | hidnplayr | 2311 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2312 | |
2313 | push ebx |
||
2314 | mov ebx, [TASK_BASE] |
||
2315 | mov ebx, [ebx + TASKDATA.pid] |
||
2316 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2317 | pop ebx |
3545 | hidnplayr | 2318 | |
2319 | ret |
||
2320 | |||
2321 | |||
2322 | |||
2323 | |||
5976 | hidnplayr | 2324 | ;-----------------------------------------------------------------; |
2325 | ; ; |
||
6011 | hidnplayr | 2326 | ; socket_process_end: Kernel calls this function when a certain ; |
2327 | ; process ends. This function will check if the process had any ; |
||
2328 | ; open sockets and update them accordingly (clean up). ; |
||
5976 | hidnplayr | 2329 | ; ; |
2330 | ; IN: edx = pid ; |
||
2331 | ; ; |
||
2332 | ; OUT: / ; |
||
2333 | ; ; |
||
2334 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2335 | align 4 |
6011 | hidnplayr | 2336 | socket_process_end: |
3545 | hidnplayr | 2337 | |
4436 | hidnplayr | 2338 | ret ; FIXME |
2339 | |||
4056 | hidnplayr | 2340 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2341 | je .quickret ; nope, exit immediately |
||
2342 | |||
2343 | ; TODO: run the following code in another thread, to avoid deadlock |
||
2344 | |||
3556 | hidnplayr | 2345 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2346 | |
3647 | hidnplayr | 2347 | pusha |
2348 | mov ecx, socket_mutex |
||
2349 | call mutex_lock |
||
2350 | popa |
||
2351 | |||
3545 | hidnplayr | 2352 | push ebx |
2353 | mov ebx, net_sockets |
||
2354 | |||
2355 | .next_socket: |
||
2356 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2357 | .next_socket_test: |
||
2358 | test ebx, ebx |
||
2359 | jz .done |
||
2360 | |||
2361 | cmp [ebx + SOCKET.PID], edx |
||
2362 | jne .next_socket |
||
2363 | |||
3556 | hidnplayr | 2364 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2365 | |
2366 | mov [ebx + SOCKET.PID], 0 |
||
2367 | mov eax, ebx |
||
2368 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2369 | |
3545 | hidnplayr | 2370 | pusha |
3652 | hidnplayr | 2371 | cmp [eax + SOCKET.Domain], AF_INET4 |
2372 | jne .free |
||
2373 | |||
2374 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2375 | jne .free |
||
2376 | |||
6011 | hidnplayr | 2377 | call tcp_disconnect |
3652 | hidnplayr | 2378 | jmp .closed |
2379 | |||
2380 | .free: |
||
6011 | hidnplayr | 2381 | call socket_free |
3652 | hidnplayr | 2382 | |
2383 | .closed: |
||
3545 | hidnplayr | 2384 | popa |
2385 | jmp .next_socket_test |
||
2386 | |||
2387 | .done: |
||
2388 | pop ebx |
||
2389 | |||
3647 | hidnplayr | 2390 | pusha |
2391 | mov ecx, socket_mutex |
||
2392 | call mutex_unlock |
||
2393 | popa |
||
2394 | |||
4056 | hidnplayr | 2395 | .quickret: |
3545 | hidnplayr | 2396 | ret |
2397 | |||
2398 | |||
2399 | |||
2400 | |||
5976 | hidnplayr | 2401 | ;-----------------------------------------------------------------; |
2402 | ; ; |
||
6011 | hidnplayr | 2403 | ; socket_is_connecting: Update socket state. ; |
5976 | hidnplayr | 2404 | ; ; |
2405 | ; IN: eax = socket ptr ; |
||
2406 | ; ; |
||
2407 | ; OUT: / ; |
||
2408 | ; ; |
||
2409 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2410 | align 4 |
6011 | hidnplayr | 2411 | socket_is_connecting: |
3545 | hidnplayr | 2412 | |
3556 | hidnplayr | 2413 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2414 | |
4025 | hidnplayr | 2415 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2416 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
2417 | ret |
||
3545 | hidnplayr | 2418 | |
2419 | |||
2420 | |||
5976 | hidnplayr | 2421 | ;-----------------------------------------------------------------; |
2422 | ; ; |
||
6011 | hidnplayr | 2423 | ; socket_is_connected: Update socket state. ; |
5976 | hidnplayr | 2424 | ; ; |
2425 | ; IN: eax = socket ptr ; |
||
2426 | ; ; |
||
2427 | ; OUT: / ; |
||
2428 | ; ; |
||
2429 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2430 | align 4 |
6011 | hidnplayr | 2431 | socket_is_connected: |
3545 | hidnplayr | 2432 | |
3556 | hidnplayr | 2433 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2434 | |
3674 | hidnplayr | 2435 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2436 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
6011 | hidnplayr | 2437 | jmp socket_notify |
3545 | hidnplayr | 2438 | |
2439 | |||
2440 | |||
2441 | |||
5976 | hidnplayr | 2442 | ;-----------------------------------------------------------------; |
2443 | ; ; |
||
6011 | hidnplayr | 2444 | ; socket_is_disconnecting: Update socket state. ; |
5976 | hidnplayr | 2445 | ; ; |
2446 | ; IN: eax = socket ptr ; |
||
2447 | ; ; |
||
2448 | ; OUT: / ; |
||
2449 | ; ; |
||
2450 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2451 | align 4 |
6011 | hidnplayr | 2452 | socket_is_disconnecting: |
3545 | hidnplayr | 2453 | |
3556 | hidnplayr | 2454 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2455 | |
3674 | hidnplayr | 2456 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2457 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2458 | jmp socket_notify |
3545 | hidnplayr | 2459 | |
2460 | |||
2461 | |||
5976 | hidnplayr | 2462 | ;-----------------------------------------------------------------; |
2463 | ; ; |
||
6011 | hidnplayr | 2464 | ; socket_is_disconnected: Update socket state. ; |
5976 | hidnplayr | 2465 | ; ; |
2466 | ; IN: eax = socket ptr ; |
||
2467 | ; ; |
||
2468 | ; OUT: / ; |
||
2469 | ; ; |
||
2470 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2471 | align 4 |
6011 | hidnplayr | 2472 | socket_is_disconnected: |
3545 | hidnplayr | 2473 | |
3556 | hidnplayr | 2474 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2475 | |
3674 | hidnplayr | 2476 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2477 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2478 | jmp socket_notify |
3545 | hidnplayr | 2479 | |
2480 | |||
2481 | |||
5976 | hidnplayr | 2482 | ;-----------------------------------------------------------------; |
2483 | ; ; |
||
6011 | hidnplayr | 2484 | ; socket_cant_recv_more: Update socket state. ; |
5976 | hidnplayr | 2485 | ; ; |
2486 | ; IN: eax = socket ptr ; |
||
2487 | ; ; |
||
2488 | ; OUT: / ; |
||
2489 | ; ; |
||
2490 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2491 | align 4 |
6011 | hidnplayr | 2492 | socket_cant_recv_more: |
3545 | hidnplayr | 2493 | |
3556 | hidnplayr | 2494 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2495 | |
3674 | hidnplayr | 2496 | or [eax + SOCKET.state], SS_CANTRCVMORE |
6011 | hidnplayr | 2497 | jmp socket_notify |
3545 | hidnplayr | 2498 | |
3565 | hidnplayr | 2499 | |
3545 | hidnplayr | 2500 | |
5976 | hidnplayr | 2501 | ;-----------------------------------------------------------------; |
2502 | ; ; |
||
6011 | hidnplayr | 2503 | ; socket_cant_send_more: Update socket state. ; |
5976 | hidnplayr | 2504 | ; ; |
2505 | ; IN: eax = socket ptr ; |
||
2506 | ; ; |
||
2507 | ; OUT: / ; |
||
2508 | ; ; |
||
2509 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2510 | align 4 |
6011 | hidnplayr | 2511 | socket_cant_send_more: |
3545 | hidnplayr | 2512 | |
3556 | hidnplayr | 2513 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2514 | |
3674 | hidnplayr | 2515 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2516 | mov [eax + SOCKET.snd_proc], .notconn |
6011 | hidnplayr | 2517 | jmp socket_notify |
3545 | hidnplayr | 2518 | |
3658 | hidnplayr | 2519 | .notconn: |
3673 | hidnplayr | 2520 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2521 | mov dword[esp+32], -1 |
5356 | serge | 2522 | ret |