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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5363 | yogev_ezra | 3 | ;; Copyright (C) KolibriOS team 2004-2015. 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: 5976 $ |
3545 | hidnplayr | 19 | |
20 | struct SOCKET |
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21 | |||
5976 | hidnplayr | 22 | NextPtr dd ? ; pointer to next socket in list |
23 | PrevPtr dd ? ; pointer to previous socket in list |
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24 | Number dd ? ; socket number |
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3545 | hidnplayr | 25 | |
26 | mutex MUTEX |
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27 | |||
5976 | hidnplayr | 28 | PID dd ? ; process ID |
29 | TID dd ? ; thread ID |
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30 | Domain dd ? ; INET4/INET6/LOCAL/.. |
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31 | Type dd ? ; RAW/STREAM/DGRAM |
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32 | Protocol dd ? ; UDP/TCP/ARP/ICMP |
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3545 | hidnplayr | 33 | errorcode dd ? |
5976 | hidnplayr | 34 | device dd ? ; device pointer, paired socket pointer if it's a local socket |
3545 | hidnplayr | 35 | |
36 | options dd ? |
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37 | state dd ? |
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5976 | hidnplayr | 38 | backlog dw ? ; number of incoming connections that can be queued |
3545 | hidnplayr | 39 | |
40 | snd_proc dd ? |
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41 | rcv_proc dd ? |
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4030 | hidnplayr | 42 | connect_proc dd ? |
3545 | hidnplayr | 43 | |
44 | ends |
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45 | |||
46 | struct IP_SOCKET SOCKET |
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47 | |||
5976 | hidnplayr | 48 | LocalIP rd 4 ; network byte order |
49 | RemoteIP rd 4 ; network byte order |
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5842 | hidnplayr | 50 | ttl db ? |
5976 | hidnplayr | 51 | rb 3 ; align |
3545 | hidnplayr | 52 | |
53 | ends |
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54 | |||
55 | struct TCP_SOCKET IP_SOCKET |
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56 | |||
5976 | hidnplayr | 57 | LocalPort dw ? ; network byte order |
58 | RemotePort dw ? ; network byte order |
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3545 | hidnplayr | 59 | |
5976 | hidnplayr | 60 | t_state dd ? ; TCB state |
3545 | hidnplayr | 61 | t_rxtshift db ? |
5976 | hidnplayr | 62 | rb 3 ; align |
3545 | hidnplayr | 63 | t_rxtcur dd ? |
64 | t_dupacks dd ? |
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65 | t_maxseg dd ? |
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66 | t_force dd ? |
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67 | t_flags dd ? |
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68 | |||
69 | ;--------------- |
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70 | ; RFC783 page 21 |
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71 | |||
72 | ; send sequence |
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5976 | hidnplayr | 73 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
74 | SND_NXT dd ? ; next send sequence number to use |
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75 | SND_UP dd ? ; urgent pointer |
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76 | SND_WL1 dd ? ; window minus one |
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77 | SND_WL2 dd ? ; |
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78 | ISS dd ? ; initial send sequence number |
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79 | SND_WND dd ? ; send window |
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3545 | hidnplayr | 80 | |
81 | ; receive sequence |
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5976 | hidnplayr | 82 | RCV_WND dd ? ; receive window |
83 | RCV_NXT dd ? ; next receive sequence number to use |
||
84 | RCV_UP dd ? ; urgent pointer |
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85 | IRS dd ? ; initial receive sequence number |
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3545 | hidnplayr | 86 | |
87 | ;--------------------- |
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88 | ; Additional variables |
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89 | |||
90 | ; receive variables |
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91 | RCV_ADV dd ? |
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92 | |||
93 | ; retransmit variables |
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94 | SND_MAX dd ? |
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95 | |||
96 | ; congestion control |
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4339 | hidnplayr | 97 | SND_CWND dd ? ; congestion window |
98 | SND_SSTHRESH dd ? ; slow start threshold |
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3545 | hidnplayr | 99 | |
100 | ;---------------------- |
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101 | ; Transmit timing stuff |
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102 | t_idle dd ? |
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5442 | hidnplayr | 103 | t_rtt dd ? ; round trip time |
3545 | hidnplayr | 104 | t_rtseq dd ? |
5442 | hidnplayr | 105 | t_srtt dd ? ; smoothed round trip time |
3545 | hidnplayr | 106 | t_rttvar dd ? |
107 | t_rttmin dd ? |
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108 | max_sndwnd dd ? |
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109 | |||
110 | ;----------------- |
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111 | ; Out-of-band data |
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112 | t_oobflags dd ? |
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113 | t_iobc dd ? |
||
114 | t_softerror dd ? |
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115 | |||
116 | |||
117 | ;--------- |
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118 | ; RFC 1323 ; the order of next 4 elements may not change |
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119 | |||
120 | SND_SCALE db ? |
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121 | RCV_SCALE db ? |
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122 | requested_s_scale db ? |
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123 | request_r_scale db ? |
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124 | |||
125 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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126 | ts_recent_age dd ? |
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127 | last_ack_sent dd ? |
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128 | |||
129 | |||
130 | ;------- |
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131 | ; Timers |
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3600 | hidnplayr | 132 | timer_flags dd ? |
5976 | hidnplayr | 133 | timer_retransmission dd ? ; rexmt |
3545 | hidnplayr | 134 | timer_persist dd ? |
5976 | hidnplayr | 135 | timer_keepalive dd ? ; keepalive/syn timeout |
136 | timer_timed_wait dd ? ; also used as 2msl timer |
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4021 | hidnplayr | 137 | timer_connect dd ? |
3545 | hidnplayr | 138 | |
139 | ; extra |
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140 | |||
5976 | hidnplayr | 141 | ts_ecr dd ? ; timestamp echo reply |
3545 | hidnplayr | 142 | ts_val dd ? |
143 | |||
5976 | hidnplayr | 144 | seg_next dd ? ; re-assembly queue |
3545 | hidnplayr | 145 | |
146 | ends |
||
147 | |||
148 | struct UDP_SOCKET IP_SOCKET |
||
149 | |||
5976 | hidnplayr | 150 | LocalPort dw ? ; in network byte order |
151 | RemotePort dw ? ; in network byte order |
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3545 | hidnplayr | 152 | |
153 | ends |
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154 | |||
155 | struct RING_BUFFER |
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156 | |||
157 | mutex MUTEX |
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5976 | hidnplayr | 158 | start_ptr dd ? ; Pointer to start of buffer |
159 | end_ptr dd ? ; pointer to end of buffer |
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160 | read_ptr dd ? ; Read pointer |
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161 | write_ptr dd ? ; Write pointer |
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162 | size dd ? ; Number of bytes buffered |
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3545 | hidnplayr | 163 | |
164 | ends |
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165 | |||
166 | struct STREAM_SOCKET TCP_SOCKET |
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167 | |||
168 | rcv RING_BUFFER |
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169 | snd RING_BUFFER |
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170 | |||
171 | ends |
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172 | |||
173 | struct socket_queue_entry |
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174 | |||
175 | data_ptr dd ? |
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5522 | hidnplayr | 176 | data_size dd ? |
3545 | hidnplayr | 177 | buf_ptr dd ? |
178 | |||
179 | ends |
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180 | |||
5976 | hidnplayr | 181 | struct socket_options |
3545 | hidnplayr | 182 | |
5976 | hidnplayr | 183 | level dd ? |
184 | optname dd ? |
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185 | optlen dd ? |
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186 | optval dd ? |
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3545 | hidnplayr | 187 | |
5976 | hidnplayr | 188 | ends |
189 | |||
190 | SOCKETBUFFSIZE = 4096 ; in bytes |
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191 | |||
192 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
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3545 | hidnplayr | 193 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
194 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
||
195 | |||
196 | uglobal |
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3698 | hidnplayr | 197 | align 4 |
198 | |||
3545 | hidnplayr | 199 | net_sockets rd 4 |
200 | last_socket_num dd ? |
||
5976 | hidnplayr | 201 | last_UDP_port dw ? ; last used ephemeral port |
202 | last_TCP_port dw ? ; |
||
3647 | hidnplayr | 203 | socket_mutex MUTEX |
3698 | hidnplayr | 204 | |
3545 | hidnplayr | 205 | endg |
206 | |||
207 | |||
5976 | hidnplayr | 208 | ;-----------------------------------------------------------------; |
209 | ; ; |
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210 | ; SOCKET_init ; |
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211 | ; ; |
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212 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 213 | macro SOCKET_init { |
214 | |||
215 | xor eax, eax |
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216 | mov edi, net_sockets |
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217 | mov ecx, 5 |
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3711 | clevermous | 218 | rep stosd |
3545 | hidnplayr | 219 | |
220 | @@: |
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221 | pseudo_random eax |
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3600 | hidnplayr | 222 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 223 | jb @r |
3600 | hidnplayr | 224 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 225 | ja @r |
226 | xchg al, ah |
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227 | mov [last_UDP_port], ax |
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228 | |||
229 | @@: |
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230 | pseudo_random eax |
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3600 | hidnplayr | 231 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 232 | jb @r |
3600 | hidnplayr | 233 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 234 | ja @r |
235 | xchg al, ah |
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236 | mov [last_TCP_port], ax |
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237 | |||
3647 | hidnplayr | 238 | mov ecx, socket_mutex |
239 | call mutex_init |
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240 | |||
3545 | hidnplayr | 241 | } |
242 | |||
5976 | hidnplayr | 243 | ;-----------------------------------------------------------------; |
244 | ; ; |
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245 | ; Sockets API (system function 75) ; |
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246 | ; ; |
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247 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 248 | align 4 |
249 | sys_socket: |
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250 | |||
3673 | hidnplayr | 251 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 252 | |
3545 | hidnplayr | 253 | cmp ebx, 255 |
254 | jz SOCKET_debug |
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255 | |||
256 | cmp ebx, .number |
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3658 | hidnplayr | 257 | ja .error |
3545 | hidnplayr | 258 | jmp dword [.table + 4*ebx] |
259 | |||
260 | .table: |
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5976 | hidnplayr | 261 | dd SOCKET_open ; 0 |
262 | dd SOCKET_close ; 1 |
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263 | dd SOCKET_bind ; 2 |
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264 | dd SOCKET_listen ; 3 |
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265 | dd SOCKET_connect ; 4 |
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266 | dd SOCKET_accept ; 5 |
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267 | dd SOCKET_send ; 6 |
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268 | dd SOCKET_receive ; 7 |
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269 | dd SOCKET_set_opt ; 8 |
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270 | dd SOCKET_get_opt ; 9 |
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271 | dd SOCKET_pair ; 10 |
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3545 | hidnplayr | 272 | .number = ($ - .table) / 4 - 1 |
273 | |||
3658 | hidnplayr | 274 | .error: |
275 | mov dword[esp+32], -1 |
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3673 | hidnplayr | 276 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 277 | |
278 | ret |
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279 | |||
5976 | hidnplayr | 280 | ;-----------------------------------------------------------------; |
281 | ; ; |
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282 | ; SOCKET_open: Create a new socket. ; |
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283 | ; ; |
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284 | ; IN: ecx = domain ; |
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285 | ; edx = type ; |
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286 | ; esi = protocol ; |
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287 | ; ; |
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288 | ; OUT: eax = socket number ; |
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289 | ; eax = -1 on error ; |
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290 | ; ebx = errorcode on error ; |
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291 | ; ; |
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292 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 293 | align 4 |
294 | SOCKET_open: |
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295 | |||
3556 | hidnplayr | 296 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 297 | |
298 | push ecx edx esi |
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299 | call SOCKET_alloc |
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300 | pop esi edx ecx |
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4535 | hidnplayr | 301 | test eax, eax |
3658 | hidnplayr | 302 | jz .nobuffs |
3545 | hidnplayr | 303 | |
5976 | hidnplayr | 304 | mov [esp+32], edi ; return socketnumber |
3556 | hidnplayr | 305 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 306 | |
3705 | hidnplayr | 307 | test edx, SO_NONBLOCK |
308 | jz @f |
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309 | or [eax + SOCKET.options], SO_NONBLOCK |
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310 | and edx, not SO_NONBLOCK |
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311 | @@: |
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3545 | hidnplayr | 312 | |
313 | mov [eax + SOCKET.Domain], ecx |
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314 | mov [eax + SOCKET.Type], edx |
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315 | mov [eax + SOCKET.Protocol], esi |
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4030 | hidnplayr | 316 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 317 | |
318 | cmp ecx, AF_INET4 |
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319 | jne .no_inet4 |
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320 | |||
5842 | hidnplayr | 321 | mov [eax + IP_SOCKET.ttl], 128 |
322 | |||
3545 | hidnplayr | 323 | cmp edx, SOCK_DGRAM |
324 | je .udp |
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325 | |||
326 | cmp edx, SOCK_STREAM |
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327 | je .tcp |
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328 | |||
329 | cmp edx, SOCK_RAW |
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330 | je .raw |
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331 | |||
332 | .no_inet4: |
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333 | cmp ecx, AF_PPP |
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334 | jne .no_ppp |
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335 | |||
336 | cmp esi, PPP_PROTO_ETHERNET |
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337 | je .pppoe |
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338 | |||
339 | .no_ppp: |
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3658 | hidnplayr | 340 | .unsupported: |
341 | push eax |
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342 | call SOCKET_free |
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343 | pop eax |
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3673 | hidnplayr | 344 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 345 | mov dword[esp+32], -1 |
3545 | hidnplayr | 346 | ret |
347 | |||
3658 | hidnplayr | 348 | .nobuffs: |
3673 | hidnplayr | 349 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 350 | mov dword[esp+32], -1 |
351 | ret |
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352 | |||
3545 | hidnplayr | 353 | .raw: |
5976 | hidnplayr | 354 | test esi, esi ; IP_PROTO_IP |
3658 | hidnplayr | 355 | jz .raw_ip |
3545 | hidnplayr | 356 | |
357 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 358 | je .raw_icmp |
3545 | hidnplayr | 359 | |
3658 | hidnplayr | 360 | jmp .unsupported |
3545 | hidnplayr | 361 | |
362 | align 4 |
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363 | .udp: |
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5842 | hidnplayr | 364 | push eax |
365 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
366 | pop eax |
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367 | |||
3545 | hidnplayr | 368 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
369 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
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370 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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4030 | hidnplayr | 371 | mov [eax + SOCKET.connect_proc], UDP_connect |
3545 | hidnplayr | 372 | ret |
373 | |||
374 | align 4 |
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375 | .tcp: |
||
376 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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377 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
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378 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
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4030 | hidnplayr | 379 | mov [eax + SOCKET.connect_proc], TCP_connect |
3545 | hidnplayr | 380 | |
381 | TCP_init_socket eax |
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382 | ret |
||
383 | |||
384 | |||
385 | align 4 |
||
3658 | hidnplayr | 386 | .raw_ip: |
5842 | hidnplayr | 387 | push eax |
388 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
389 | pop eax |
||
390 | |||
3545 | hidnplayr | 391 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
392 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
4030 | hidnplayr | 393 | mov [eax + SOCKET.connect_proc], IPv4_connect |
3545 | hidnplayr | 394 | ret |
395 | |||
396 | |||
397 | align 4 |
||
3658 | hidnplayr | 398 | .raw_icmp: |
5842 | hidnplayr | 399 | push eax |
400 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
401 | pop eax |
||
402 | |||
3545 | hidnplayr | 403 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
404 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
4030 | hidnplayr | 405 | mov [eax + SOCKET.connect_proc], IPv4_connect |
3545 | hidnplayr | 406 | ret |
407 | |||
408 | align 4 |
||
409 | .pppoe: |
||
410 | push eax |
||
411 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
412 | pop eax |
||
413 | |||
414 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
||
415 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
416 | ret |
||
417 | |||
418 | |||
5976 | hidnplayr | 419 | ;-----------------------------------------------------------------; |
420 | ; ; |
||
421 | ; SOCKET_bind: Bind to a local port. ; |
||
422 | ; ; |
||
423 | ; IN: ecx = socket number ; |
||
424 | ; edx = pointer to sockaddr struct ; |
||
425 | ; esi = length of sockaddr struct ; |
||
426 | ; ; |
||
427 | ; OUT: eax = 0 on success ; |
||
428 | ; eax = -1 on error ; |
||
429 | ; ebx = errorcode on error ; |
||
430 | ; ; |
||
431 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 432 | align 4 |
433 | SOCKET_bind: |
||
434 | |||
3556 | hidnplayr | 435 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 436 | |
437 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 438 | test eax, eax |
3658 | hidnplayr | 439 | jz .invalid |
3545 | hidnplayr | 440 | |
441 | cmp esi, 2 |
||
3658 | hidnplayr | 442 | jb .invalid |
3545 | hidnplayr | 443 | |
5976 | hidnplayr | 444 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
4052 | hidnplayr | 445 | jnz .invalid |
446 | |||
3545 | hidnplayr | 447 | cmp word [edx], AF_INET4 |
448 | je .af_inet4 |
||
449 | |||
450 | cmp word [edx], AF_LOCAL |
||
451 | je .af_local |
||
452 | |||
3658 | hidnplayr | 453 | .notsupp: |
3673 | hidnplayr | 454 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 455 | mov dword[esp+32], -1 |
456 | ret |
||
3545 | hidnplayr | 457 | |
3658 | hidnplayr | 458 | .invalid: |
3673 | hidnplayr | 459 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 460 | mov dword[esp+32], -1 |
461 | ret |
||
462 | |||
3545 | hidnplayr | 463 | .af_local: |
464 | ; TODO: write code here |
||
3658 | hidnplayr | 465 | mov dword[esp+32], 0 |
3545 | hidnplayr | 466 | ret |
467 | |||
468 | .af_inet4: |
||
469 | cmp esi, 6 |
||
3658 | hidnplayr | 470 | jb .invalid |
3545 | hidnplayr | 471 | |
472 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
473 | je .udp |
||
474 | |||
475 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
476 | je .tcp |
||
477 | |||
3658 | hidnplayr | 478 | jmp .notsupp |
3545 | hidnplayr | 479 | |
480 | .tcp: |
||
481 | .udp: |
||
482 | |||
4052 | hidnplayr | 483 | pushd [edx + 4] ; First, fill in the IP |
484 | popd [eax + IP_SOCKET.LocalIP] |
||
3545 | hidnplayr | 485 | |
4052 | hidnplayr | 486 | mov bx, [edx + 2] ; Did caller specify a local port? |
487 | test bx, bx |
||
488 | jnz .just_check |
||
489 | call SOCKET_find_port ; Nope, find an ephemeral one |
||
490 | jmp .done |
||
491 | |||
492 | .just_check: |
||
493 | call SOCKET_check_port ; Yes, check if it's still available |
||
494 | jz .addrinuse ; ZF is set by socket_check_port on error |
||
495 | |||
496 | .done: |
||
3556 | hidnplayr | 497 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 498 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
499 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
500 | |||
3658 | hidnplayr | 501 | mov dword[esp+32], 0 |
3545 | hidnplayr | 502 | ret |
503 | |||
3658 | hidnplayr | 504 | .addrinuse: |
505 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 506 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 507 | ret |
3545 | hidnplayr | 508 | |
509 | |||
510 | |||
3658 | hidnplayr | 511 | |
5976 | hidnplayr | 512 | ;-----------------------------------------------------------------; |
513 | ; ; |
||
514 | ; SOCKET_connect: Connect to the remote host. ; |
||
515 | ; ; |
||
516 | ; IN: ecx = socket number ; |
||
517 | ; edx = pointer to sockaddr struct ; |
||
518 | ; esi = length of sockaddr struct ; |
||
519 | ; ; |
||
520 | ; OUT: eax = 0 on success ; |
||
521 | ; eax = -1 on error ; |
||
522 | ; ebx = errorcode on error ; |
||
523 | ; ; |
||
524 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 525 | align 4 |
526 | SOCKET_connect: |
||
527 | |||
3556 | hidnplayr | 528 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 529 | |
530 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 531 | test eax, eax |
3658 | hidnplayr | 532 | jz .invalid |
3545 | hidnplayr | 533 | |
534 | cmp esi, 8 |
||
3658 | hidnplayr | 535 | jb .invalid |
3545 | hidnplayr | 536 | |
4025 | hidnplayr | 537 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
538 | je .already |
||
539 | |||
540 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
541 | jnz .notsupp |
||
542 | |||
4030 | hidnplayr | 543 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 544 | |
4030 | hidnplayr | 545 | mov dword[esp+20], ebx |
546 | mov dword[esp+32], eax |
||
547 | ret |
||
548 | |||
549 | |||
3658 | hidnplayr | 550 | .notsupp: |
3673 | hidnplayr | 551 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 552 | mov dword[esp+32], -1 |
553 | ret |
||
3545 | hidnplayr | 554 | |
3658 | hidnplayr | 555 | .invalid: |
3673 | hidnplayr | 556 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 557 | mov dword[esp+32], -1 |
558 | ret |
||
559 | |||
4025 | hidnplayr | 560 | .already: |
561 | mov dword[esp+20], EALREADY |
||
562 | mov dword[esp+32], -1 |
||
563 | ret |
||
564 | |||
565 | |||
4030 | hidnplayr | 566 | connect_notsupp: |
567 | xor eax, eax |
||
568 | dec eax |
||
569 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 570 | ret |
571 | |||
4025 | hidnplayr | 572 | |
5976 | hidnplayr | 573 | ;-----------------------------------------------------------------; |
574 | ; ; |
||
575 | ; SOCKET_listen: Listen for incoming connections. ; |
||
576 | ; ; |
||
577 | ; IN: ecx = socket number ; |
||
578 | ; edx = backlog in edx ; |
||
579 | ; ; |
||
580 | ; OUT: eax = 0 on success ; |
||
581 | ; eax = -1 on error ; |
||
582 | ; ebx = errorcode on error ; |
||
583 | ; ; |
||
584 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 585 | align 4 |
586 | SOCKET_listen: |
||
587 | |||
3556 | hidnplayr | 588 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 589 | |
590 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 591 | test eax, eax |
3658 | hidnplayr | 592 | jz .invalid |
3545 | hidnplayr | 593 | |
594 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 595 | jne .notsupp |
3545 | hidnplayr | 596 | |
597 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 598 | jne .invalid |
3545 | hidnplayr | 599 | |
600 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 601 | je .already |
3545 | hidnplayr | 602 | |
603 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
604 | jne @f |
||
3601 | hidnplayr | 605 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 606 | pop [eax + IP_SOCKET.LocalIP] |
607 | @@: |
||
608 | |||
609 | cmp edx, MAX_backlog |
||
610 | jbe @f |
||
611 | mov edx, MAX_backlog |
||
612 | @@: |
||
613 | |||
614 | mov [eax + SOCKET.backlog], dx |
||
615 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
616 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
617 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
618 | |||
619 | push eax |
||
620 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
621 | pop eax |
||
622 | |||
3658 | hidnplayr | 623 | mov dword[esp+32], 0 |
624 | ret |
||
3545 | hidnplayr | 625 | |
3658 | hidnplayr | 626 | .notsupp: |
3673 | hidnplayr | 627 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 628 | mov dword[esp+32], -1 |
3545 | hidnplayr | 629 | ret |
630 | |||
3658 | hidnplayr | 631 | .invalid: |
3673 | hidnplayr | 632 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 633 | mov dword[esp+32], -1 |
634 | ret |
||
3545 | hidnplayr | 635 | |
3658 | hidnplayr | 636 | .already: |
3673 | hidnplayr | 637 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 638 | mov dword[esp+32], -1 |
639 | ret |
||
640 | |||
641 | |||
5976 | hidnplayr | 642 | ;-----------------------------------------------------------------; |
643 | ; ; |
||
644 | ; SOCKET_accept: Accept an incoming connection. ; |
||
645 | ; ; |
||
646 | ; IN: ecx = socket number (of listening socket) ; |
||
647 | ; edx = ptr to sockaddr struct ; |
||
648 | ; esi = length of sockaddr struct ; |
||
649 | ; ; |
||
650 | ; OUT: eax = newly created socket num ; |
||
651 | ; eax = -1 on error ; |
||
652 | ; ebx = errorcode on error ; |
||
653 | ; ; |
||
654 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 655 | align 4 |
656 | SOCKET_accept: |
||
657 | |||
3556 | hidnplayr | 658 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 659 | |
660 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 661 | test eax, eax |
3658 | hidnplayr | 662 | jz .invalid |
3545 | hidnplayr | 663 | |
664 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 665 | jz .invalid |
3545 | hidnplayr | 666 | |
667 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 668 | jne .notsupp |
3545 | hidnplayr | 669 | |
670 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 671 | jne .invalid |
3545 | hidnplayr | 672 | |
673 | .loop: |
||
674 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
675 | |||
676 | ; Ok, we got a socket ptr |
||
677 | mov eax, [esi] |
||
678 | |||
5969 | hidnplayr | 679 | ; Verify that it is (still) a valid socket |
680 | call SOCKET_check |
||
681 | jz .invalid |
||
682 | |||
683 | ; Change sockets thread owner ID to that of the current thread |
||
3545 | hidnplayr | 684 | mov ebx, [TASK_BASE] |
685 | mov ebx, [ebx + TASKDATA.pid] |
||
686 | mov [eax + SOCKET.TID], ebx |
||
687 | |||
5969 | hidnplayr | 688 | ; Return socket number to caller |
689 | mov eax, [eax + SOCKET.Number] |
||
3545 | hidnplayr | 690 | mov [esp+32], eax |
691 | ret |
||
692 | |||
693 | .block: |
||
694 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 695 | jnz .wouldblock |
3545 | hidnplayr | 696 | |
697 | call SOCKET_block |
||
698 | jmp .loop |
||
699 | |||
3658 | hidnplayr | 700 | .wouldblock: |
3673 | hidnplayr | 701 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 702 | mov dword[esp+32], -1 |
703 | ret |
||
704 | |||
705 | .invalid: |
||
3673 | hidnplayr | 706 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 707 | mov dword[esp+32], -1 |
708 | ret |
||
709 | |||
710 | .notsupp: |
||
3673 | hidnplayr | 711 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 712 | mov dword[esp+32], -1 |
713 | ret |
||
714 | |||
5976 | hidnplayr | 715 | ;-----------------------------------------------------------------; |
716 | ; ; |
||
717 | ; SOCKET_close: Close the socket (and connection). ; |
||
718 | ; ; |
||
719 | ; IN: ecx = socket number ; |
||
720 | ; ; |
||
721 | ; OUT: eax = 0 on success ; |
||
722 | ; eax = -1 on error ; |
||
723 | ; ebx = errorcode on error ; |
||
724 | ; ; |
||
725 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 726 | align 4 |
727 | SOCKET_close: |
||
728 | |||
3556 | hidnplayr | 729 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 730 | |
731 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 732 | test eax, eax |
3658 | hidnplayr | 733 | jz .invalid |
3545 | hidnplayr | 734 | |
3658 | hidnplayr | 735 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 736 | |
737 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
738 | |||
739 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
740 | jz @f |
||
4528 | hidnplayr | 741 | call SOCKET_notify ; Unblock it. |
3545 | hidnplayr | 742 | @@: |
743 | |||
744 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
745 | jne .free |
||
746 | |||
747 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
748 | je .tcp |
||
749 | |||
750 | .free: |
||
751 | call SOCKET_free |
||
752 | ret |
||
753 | |||
754 | .tcp: |
||
755 | call TCP_usrclosed |
||
756 | |||
4366 | hidnplayr | 757 | test eax, eax |
758 | jz @f |
||
759 | call TCP_output ; If connection is not closed yet, send the FIN |
||
760 | @@: |
||
3545 | hidnplayr | 761 | ret |
762 | |||
763 | |||
3658 | hidnplayr | 764 | .invalid: |
3673 | hidnplayr | 765 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 766 | mov dword[esp+32], -1 |
767 | ret |
||
768 | |||
769 | |||
5976 | hidnplayr | 770 | ;-----------------------------------------------------------------; |
771 | ; ; |
||
772 | ; SOCKET_receive: Receive some data from the remote end. ; |
||
773 | ; ; |
||
774 | ; IN: ecx = socket number ; |
||
775 | ; edx = addr to application buffer ; |
||
776 | ; edx = length of application buffer ; |
||
777 | ; edi = flags ; |
||
778 | ; ; |
||
779 | ; OUT: eax = number of bytes copied ; |
||
780 | ; eax = -1 on error ; |
||
781 | ; eax = 0 when socket has been closed by the remote end ; |
||
782 | ; ebx = errorcode on error ; |
||
783 | ; ; |
||
784 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 785 | align 4 |
786 | SOCKET_receive: |
||
787 | |||
3556 | hidnplayr | 788 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 789 | |
790 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 791 | test eax, eax |
3658 | hidnplayr | 792 | jz .invalid |
3545 | hidnplayr | 793 | |
3704 | hidnplayr | 794 | .loop: |
795 | push edi |
||
3565 | hidnplayr | 796 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 797 | pop edi |
3545 | hidnplayr | 798 | |
4219 | hidnplayr | 799 | test [eax + SOCKET.state], SS_CANTRCVMORE |
5364 | hidnplayr | 800 | jnz .last_data |
4219 | hidnplayr | 801 | |
3704 | hidnplayr | 802 | cmp ebx, EWOULDBLOCK |
803 | jne .return |
||
804 | |||
805 | test edi, MSG_DONTWAIT |
||
806 | jnz .return_err |
||
807 | |||
5976 | hidnplayr | 808 | test [eax + SOCKET.options], SO_NONBLOCK |
809 | jnz .return_err |
||
3704 | hidnplayr | 810 | |
811 | call SOCKET_block |
||
812 | jmp .loop |
||
813 | |||
814 | |||
815 | .invalid: |
||
816 | push EINVAL |
||
817 | pop ebx |
||
818 | .return_err: |
||
4219 | hidnplayr | 819 | mov ecx, -1 |
3704 | hidnplayr | 820 | .return: |
3673 | hidnplayr | 821 | mov [esp+20], ebx |
4219 | hidnplayr | 822 | mov [esp+32], ecx |
3565 | hidnplayr | 823 | ret |
3545 | hidnplayr | 824 | |
5364 | hidnplayr | 825 | .last_data: |
826 | test ecx, ecx |
||
827 | jz .return |
||
5976 | hidnplayr | 828 | call SOCKET_notify ; Call me again! |
5364 | hidnplayr | 829 | jmp .return |
3565 | hidnplayr | 830 | |
3658 | hidnplayr | 831 | |
3704 | hidnplayr | 832 | |
833 | |||
3545 | hidnplayr | 834 | align 4 |
835 | SOCKET_receive_dgram: |
||
3704 | hidnplayr | 836 | |
3556 | hidnplayr | 837 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 838 | |
5976 | hidnplayr | 839 | test edi, MSG_PEEK |
840 | jnz .peek |
||
3545 | hidnplayr | 841 | |
5976 | hidnplayr | 842 | mov ebx, esi ; buffer length |
843 | |||
3704 | hidnplayr | 844 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 845 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 846 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 847 | |
3704 | hidnplayr | 848 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 849 | ja .too_small |
850 | |||
4219 | hidnplayr | 851 | push eax ecx |
3545 | hidnplayr | 852 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
853 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 854 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 855 | |
3704 | hidnplayr | 856 | ; copy the data from kernel buffer to application buffer |
857 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 858 | shr ecx, 1 |
859 | jnc .nb |
||
860 | movsb |
||
861 | .nb: |
||
862 | shr ecx, 1 |
||
863 | jnc .nw |
||
864 | movsw |
||
865 | .nw: |
||
866 | test ecx, ecx |
||
867 | jz .nd |
||
3711 | clevermous | 868 | rep movsd |
3545 | hidnplayr | 869 | .nd: |
870 | |||
5522 | hidnplayr | 871 | call NET_BUFF_free |
4219 | hidnplayr | 872 | pop ecx eax ; return number of bytes copied to application |
5976 | hidnplayr | 873 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
874 | je @f |
||
875 | call SOCKET_notify ; Queue another network event |
||
876 | @@: |
||
877 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 878 | ret |
879 | |||
880 | .too_small: |
||
4219 | hidnplayr | 881 | mov ecx, -1 |
3704 | hidnplayr | 882 | push EMSGSIZE |
883 | pop ebx |
||
3565 | hidnplayr | 884 | ret |
3545 | hidnplayr | 885 | |
3658 | hidnplayr | 886 | .wouldblock: |
3704 | hidnplayr | 887 | push EWOULDBLOCK |
888 | pop ebx |
||
3658 | hidnplayr | 889 | ret |
3545 | hidnplayr | 890 | |
5976 | hidnplayr | 891 | .peek: |
892 | xor ebx, ebx |
||
893 | xor ecx, ecx |
||
894 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
||
895 | je @f |
||
896 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
||
897 | mov ecx, [esi + socket_queue_entry.data_size] |
||
898 | @@: |
||
899 | ret |
||
3658 | hidnplayr | 900 | |
3704 | hidnplayr | 901 | |
3545 | hidnplayr | 902 | align 4 |
903 | SOCKET_receive_local: |
||
904 | |||
905 | ; does this socket have a PID yet? |
||
906 | cmp [eax + SOCKET.PID], 0 |
||
907 | jne @f |
||
908 | |||
909 | ; Change PID to that of current process |
||
910 | mov ebx, [TASK_BASE] |
||
911 | mov ebx, [ebx + TASKDATA.pid] |
||
912 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 913 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 914 | @@: |
915 | |||
916 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
917 | |||
3704 | hidnplayr | 918 | ; ... continue to SOCKET_receive_stream |
919 | |||
3545 | hidnplayr | 920 | align 4 |
921 | SOCKET_receive_stream: |
||
922 | |||
3556 | hidnplayr | 923 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 924 | |
3704 | hidnplayr | 925 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
926 | je .wouldblock |
||
927 | |||
928 | test edi, MSG_PEEK |
||
929 | jnz .peek |
||
930 | |||
3545 | hidnplayr | 931 | mov ecx, esi |
932 | mov edi, edx |
||
933 | xor edx, edx |
||
934 | |||
4219 | hidnplayr | 935 | push eax |
3545 | hidnplayr | 936 | add eax, STREAM_SOCKET.rcv |
3704 | hidnplayr | 937 | call SOCKET_ring_read ; copy data from kernel buffer to application buffer |
938 | call SOCKET_ring_free ; free read memory |
||
4219 | hidnplayr | 939 | pop eax |
3545 | hidnplayr | 940 | |
5364 | hidnplayr | 941 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
942 | jne .more_data |
||
3704 | hidnplayr | 943 | xor ebx, ebx ; errorcode = 0 (no error) |
3545 | hidnplayr | 944 | ret |
945 | |||
5364 | hidnplayr | 946 | .more_data: |
947 | call SOCKET_notify ; Queue another network event |
||
948 | xor ebx, ebx ; errorcode = 0 (no error) |
||
949 | ret |
||
950 | |||
3704 | hidnplayr | 951 | .wouldblock: |
952 | push EWOULDBLOCK |
||
953 | pop ebx |
||
4219 | hidnplayr | 954 | xor ecx, ecx |
3704 | hidnplayr | 955 | ret |
956 | |||
3545 | hidnplayr | 957 | .peek: |
4219 | hidnplayr | 958 | mov ecx, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3704 | hidnplayr | 959 | xor ebx, ebx |
3545 | hidnplayr | 960 | ret |
961 | |||
962 | |||
5976 | hidnplayr | 963 | ;-----------------------------------------------------------------; |
964 | ; ; |
||
965 | ; SOCKET_send: Send some data to the remote end. ; |
||
966 | ; ; |
||
967 | ; IN: ecx = socket number ; |
||
968 | ; edx = pointer to data ; |
||
969 | ; esi = data length ; |
||
970 | ; edi = flags ; |
||
971 | ; ; |
||
972 | ; OUT: eax = number of bytes sent ; |
||
973 | ; eax = -1 on error ; |
||
974 | ; ebx = errorcode on error ; |
||
975 | ; ; |
||
976 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 977 | align 4 |
978 | SOCKET_send: |
||
979 | |||
3556 | hidnplayr | 980 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 981 | |
982 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 983 | test eax, eax |
3658 | hidnplayr | 984 | jz .invalid |
3545 | hidnplayr | 985 | |
986 | mov ecx, esi |
||
987 | mov esi, edx |
||
988 | |||
989 | jmp [eax + SOCKET.snd_proc] |
||
990 | |||
3658 | hidnplayr | 991 | .invalid: |
3673 | hidnplayr | 992 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 993 | mov dword[esp+32], -1 |
994 | ret |
||
3545 | hidnplayr | 995 | |
3658 | hidnplayr | 996 | |
3545 | hidnplayr | 997 | align 4 |
998 | SOCKET_send_udp: |
||
999 | |||
3556 | hidnplayr | 1000 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 1001 | |
1002 | mov [esp+32], ecx |
||
1003 | call UDP_output |
||
1004 | cmp eax, -1 |
||
3658 | hidnplayr | 1005 | je .error |
3545 | hidnplayr | 1006 | ret |
1007 | |||
3658 | hidnplayr | 1008 | .error: |
1009 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1010 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 1011 | ret |
3545 | hidnplayr | 1012 | |
3658 | hidnplayr | 1013 | |
3545 | hidnplayr | 1014 | align 4 |
1015 | SOCKET_send_tcp: |
||
1016 | |||
3556 | hidnplayr | 1017 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1018 | |
1019 | push eax |
||
1020 | add eax, STREAM_SOCKET.snd |
||
1021 | call SOCKET_ring_write |
||
1022 | pop eax |
||
1023 | |||
1024 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1025 | mov [eax + SOCKET.errorcode], 0 |
1026 | push eax |
||
1027 | call TCP_output ; FIXME: this doesnt look pretty, does it? |
||
1028 | pop eax |
||
1029 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 1030 | mov [esp+20], eax |
3545 | hidnplayr | 1031 | ret |
1032 | |||
1033 | |||
1034 | align 4 |
||
1035 | SOCKET_send_ip: |
||
1036 | |||
3556 | hidnplayr | 1037 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1038 | |
1039 | mov [esp+32], ecx |
||
5842 | hidnplayr | 1040 | call IPv4_output_raw |
3545 | hidnplayr | 1041 | cmp eax, -1 |
3658 | hidnplayr | 1042 | je .error |
3545 | hidnplayr | 1043 | ret |
1044 | |||
3658 | hidnplayr | 1045 | .error: |
5842 | hidnplayr | 1046 | mov dword[esp+32], eax |
1047 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1048 | ret |
3545 | hidnplayr | 1049 | |
3658 | hidnplayr | 1050 | |
3545 | hidnplayr | 1051 | align 4 |
1052 | SOCKET_send_icmp: |
||
1053 | |||
3556 | hidnplayr | 1054 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1055 | |
1056 | mov [esp+32], ecx |
||
5842 | hidnplayr | 1057 | call ICMP_output_raw |
3545 | hidnplayr | 1058 | cmp eax, -1 |
3658 | hidnplayr | 1059 | je .error |
3545 | hidnplayr | 1060 | ret |
1061 | |||
3658 | hidnplayr | 1062 | .error: |
5842 | hidnplayr | 1063 | mov dword[esp+32], eax |
1064 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1065 | ret |
3545 | hidnplayr | 1066 | |
3658 | hidnplayr | 1067 | |
3545 | hidnplayr | 1068 | align 4 |
1069 | SOCKET_send_pppoe: |
||
1070 | |||
3556 | hidnplayr | 1071 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1072 | |
1073 | mov [esp+32], ecx |
||
1074 | mov ebx, [eax + SOCKET.device] |
||
1075 | |||
3658 | hidnplayr | 1076 | call PPPoE_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1077 | cmp eax, -1 |
3658 | hidnplayr | 1078 | je .error |
3545 | hidnplayr | 1079 | ret |
1080 | |||
3658 | hidnplayr | 1081 | .error: |
1082 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1083 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1084 | ret |
3545 | hidnplayr | 1085 | |
1086 | |||
3658 | hidnplayr | 1087 | |
3545 | hidnplayr | 1088 | align 4 |
1089 | SOCKET_send_local: |
||
1090 | |||
1091 | ; does this socket have a PID yet? |
||
1092 | cmp [eax + SOCKET.PID], 0 |
||
1093 | jne @f |
||
1094 | |||
1095 | ; Change PID to that of current process |
||
1096 | mov ebx, [TASK_BASE] |
||
1097 | mov ebx, [ebx + TASKDATA.pid] |
||
1098 | mov [eax + SOCKET.PID], ebx |
||
1099 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1100 | @@: |
||
1101 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1102 | |||
1103 | align 4 |
||
1104 | SOCKET_send_local_: |
||
1105 | |||
3556 | hidnplayr | 1106 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1107 | |
1108 | ; get the other side's socket and check if it still exists |
||
1109 | mov eax, [eax + SOCKET.device] |
||
1110 | call SOCKET_check |
||
3658 | hidnplayr | 1111 | jz .invalid |
3545 | hidnplayr | 1112 | |
1113 | ; allright, shove in the data! |
||
1114 | push eax |
||
1115 | add eax, STREAM_SOCKET.rcv |
||
1116 | call SOCKET_ring_write |
||
1117 | pop eax |
||
1118 | |||
1119 | ; return the number of written bytes (or errorcode) to application |
||
1120 | mov [esp+32], ecx |
||
1121 | |||
1122 | ; and notify the other end |
||
1123 | call SOCKET_notify |
||
1124 | |||
1125 | ret |
||
1126 | |||
3658 | hidnplayr | 1127 | .invalid: |
1128 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1129 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1130 | ret |
3545 | hidnplayr | 1131 | |
3658 | hidnplayr | 1132 | |
5976 | hidnplayr | 1133 | ;-----------------------------------------------------------------; |
1134 | ; ; |
||
1135 | ; SOCKET_get_options: Read a socket option ; |
||
1136 | ; ; |
||
1137 | ; IN: ecx = socket number ; |
||
1138 | ; edx = pointer to socket options struct ; |
||
1139 | ; ; |
||
1140 | ; OUT: eax = 0 on success ; |
||
1141 | ; eax = -1 on error ; |
||
1142 | ; ebx = errorcode on error ; |
||
1143 | ; ; |
||
1144 | ;-----------------------------------------------------------------; |
||
1145 | align 4 |
||
1146 | SOCKET_get_opt: |
||
1147 | |||
1148 | ; FIXME: |
||
3545 | hidnplayr | 1149 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1150 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1151 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1152 | |||
3556 | hidnplayr | 1153 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1154 | |
1155 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 1156 | test eax, eax |
3658 | hidnplayr | 1157 | jz .invalid |
3545 | hidnplayr | 1158 | |
1159 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1160 | jne .invalid |
3545 | hidnplayr | 1161 | cmp dword [edx+4], -2 |
1162 | je @f |
||
1163 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1164 | jne .invalid |
3545 | hidnplayr | 1165 | @@: |
1166 | ; mov eax, [edx+12] |
||
1167 | ; test eax, eax |
||
1168 | ; jz .fail |
||
1169 | ; cmp dword [eax], 4 |
||
1170 | ; mov dword [eax], 4 |
||
1171 | ; jb .fail |
||
1172 | ; stdcall net_socket_num_to_addr, ecx |
||
1173 | ; test eax, eax |
||
1174 | ; jz .fail |
||
1175 | ; ; todo: check that eax is really TCP socket |
||
1176 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1177 | ; cmp dword [edx+4], -2 |
||
1178 | ; jz @f |
||
1179 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1180 | @@: |
||
1181 | mov eax, [edx+8] |
||
1182 | test eax, eax |
||
1183 | jz @f |
||
1184 | mov [eax], ecx |
||
1185 | @@: |
||
1186 | mov dword [esp+32], 0 |
||
1187 | ret |
||
1188 | |||
3658 | hidnplayr | 1189 | .invalid: |
1190 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1191 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1192 | ret |
3545 | hidnplayr | 1193 | |
1194 | |||
5976 | hidnplayr | 1195 | ;-----------------------------------------------------------------; |
1196 | ; ; |
||
1197 | ; SOCKET_set_options: Set a socket option. ; |
||
1198 | ; ; |
||
1199 | ; IN: ecx = socket number ; |
||
1200 | ; edx = pointer to socket options struct ; |
||
1201 | ; ; |
||
1202 | ; OUT: eax = 0 on success ; |
||
1203 | ; eax = -1 on error ; |
||
1204 | ; ebx = errorcode on error ; |
||
1205 | ; ; |
||
1206 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1207 | align 4 |
1208 | SOCKET_set_opt: |
||
1209 | |||
3556 | hidnplayr | 1210 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1211 | |
1212 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 1213 | test eax, eax |
3658 | hidnplayr | 1214 | jz .invalid |
3545 | hidnplayr | 1215 | |
5842 | hidnplayr | 1216 | cmp [edx + socket_options.level], IP_PROTO_IP |
1217 | je .ip |
||
1218 | cmp [edx + socket_options.level], SOL_SOCKET |
||
3658 | hidnplayr | 1219 | jne .invalid |
3545 | hidnplayr | 1220 | |
5842 | hidnplayr | 1221 | .socket: |
1222 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
||
1223 | jne .invalid |
||
3545 | hidnplayr | 1224 | |
1225 | .bind: |
||
5842 | hidnplayr | 1226 | cmp [edx + socket_options.optlen], 0 |
3545 | hidnplayr | 1227 | je .unbind |
1228 | |||
5842 | hidnplayr | 1229 | movzx edx, byte[edx + socket_options.optval] |
3600 | hidnplayr | 1230 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1231 | ja .invalid |
3545 | hidnplayr | 1232 | |
1233 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1234 | test edx, edx |
||
3658 | hidnplayr | 1235 | jz .already |
3545 | hidnplayr | 1236 | mov [eax + SOCKET.device], edx |
1237 | |||
5584 | hidnplayr | 1238 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
3545 | hidnplayr | 1239 | |
3658 | hidnplayr | 1240 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1241 | ret |
1242 | |||
1243 | .unbind: |
||
1244 | mov [eax + SOCKET.device], 0 |
||
1245 | |||
3658 | hidnplayr | 1246 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1247 | ret |
1248 | |||
5842 | hidnplayr | 1249 | .ip: |
1250 | cmp [edx + socket_options.optname], IP_TTL |
||
1251 | jne .invalid |
||
1252 | |||
1253 | .ttl: |
||
1254 | mov bl, byte[edx + socket_options.optval] |
||
1255 | mov [eax + IP_SOCKET.ttl], bl |
||
1256 | |||
1257 | mov dword[esp+32], 0 ; success! |
||
1258 | ret |
||
1259 | |||
3658 | hidnplayr | 1260 | .already: |
3673 | hidnplayr | 1261 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1262 | mov dword[esp+32], -1 |
1263 | ret |
||
3545 | hidnplayr | 1264 | |
5842 | hidnplayr | 1265 | .invalid: |
1266 | mov dword[esp+20], EINVAL |
||
1267 | mov dword[esp+32], -1 |
||
1268 | ret |
||
3545 | hidnplayr | 1269 | |
3658 | hidnplayr | 1270 | |
1271 | |||
5842 | hidnplayr | 1272 | |
5976 | hidnplayr | 1273 | ;-----------------------------------------------------------------; |
1274 | ; ; |
||
1275 | ; SOCKET_pair: Allocate a pair of linked local sockets. ; |
||
1276 | ; ; |
||
1277 | ; IN: / ; |
||
1278 | ; ; |
||
1279 | ; OUT: eax = socket1 num on success ; |
||
1280 | ; eax = -1 on error ; |
||
1281 | ; ebx = socket2 num on success ; |
||
1282 | ; ebx = errorcode on error ; |
||
1283 | ; ; |
||
1284 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1285 | align 4 |
1286 | SOCKET_pair: |
||
1287 | |||
3556 | hidnplayr | 1288 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1289 | |
1290 | call SOCKET_alloc |
||
4535 | hidnplayr | 1291 | test eax, eax |
3658 | hidnplayr | 1292 | jz .nomem1 |
3545 | hidnplayr | 1293 | mov [esp+32], edi ; application's eax |
1294 | |||
1295 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1296 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1297 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1298 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1299 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1300 | mov [eax + SOCKET.PID], 0 |
||
1301 | mov ebx, eax |
||
1302 | |||
1303 | call SOCKET_alloc |
||
4535 | hidnplayr | 1304 | test eax, eax |
3658 | hidnplayr | 1305 | jz .nomem2 |
3673 | hidnplayr | 1306 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1307 | |
1308 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1309 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1310 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1311 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1312 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1313 | mov [eax + SOCKET.PID], 0 |
||
1314 | |||
1315 | ; Link the two sockets to eachother |
||
1316 | mov [eax + SOCKET.device], ebx |
||
1317 | mov [ebx + SOCKET.device], eax |
||
1318 | |||
1319 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1320 | call SOCKET_ring_create |
||
5155 | hidnplayr | 1321 | test eax, eax |
5969 | hidnplayr | 1322 | jz .nomem2 |
3545 | hidnplayr | 1323 | |
1324 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1325 | call SOCKET_ring_create |
||
5155 | hidnplayr | 1326 | test eax, eax |
1327 | jz .nomem2 |
||
3545 | hidnplayr | 1328 | |
1329 | ret |
||
1330 | |||
3658 | hidnplayr | 1331 | .nomem2: |
5969 | hidnplayr | 1332 | mov eax, [esp+20] |
3545 | hidnplayr | 1333 | call SOCKET_free |
5969 | hidnplayr | 1334 | |
3658 | hidnplayr | 1335 | .nomem1: |
5969 | hidnplayr | 1336 | mov eax, [esp+32] |
1337 | call SOCKET_free |
||
1338 | |||
3658 | hidnplayr | 1339 | mov dword[esp+32], -1 |
5969 | hidnplayr | 1340 | mov dword[esp+20], ENOMEM |
3658 | hidnplayr | 1341 | ret |
3545 | hidnplayr | 1342 | |
1343 | |||
1344 | |||
5976 | hidnplayr | 1345 | ;-----------------------------------------------------------------; |
1346 | ; ; |
||
1347 | ; SOCKET_debug: Copy socket variables to application buffer. ; |
||
1348 | ; ; |
||
1349 | ; IN: ecx = socket number ; |
||
1350 | ; edx = pointer to application buffer ; |
||
1351 | ; ; |
||
1352 | ; OUT: eax = 0 on success ; |
||
1353 | ; eax = -1 on error ; |
||
1354 | ; ebx = errorcode on error ; |
||
1355 | ; ; |
||
1356 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1357 | align 4 |
1358 | SOCKET_debug: |
||
1359 | |||
3556 | hidnplayr | 1360 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1361 | |
1362 | mov edi, edx |
||
1363 | |||
1364 | test ecx, ecx |
||
1365 | jz .returnall |
||
1366 | |||
1367 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 1368 | test eax, eax |
3658 | hidnplayr | 1369 | jz .invalid |
3545 | hidnplayr | 1370 | |
1371 | mov esi, eax |
||
1372 | mov ecx, SOCKETBUFFSIZE/4 |
||
3711 | clevermous | 1373 | rep movsd |
3545 | hidnplayr | 1374 | |
3658 | hidnplayr | 1375 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1376 | ret |
1377 | |||
1378 | .returnall: |
||
1379 | mov ebx, net_sockets |
||
1380 | .next_socket: |
||
1381 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1382 | test ebx, ebx |
||
1383 | jz .done |
||
1384 | mov eax, [ebx + SOCKET.Number] |
||
1385 | stosd |
||
1386 | jmp .next_socket |
||
1387 | .done: |
||
1388 | xor eax, eax |
||
1389 | stosd |
||
3658 | hidnplayr | 1390 | mov dword[esp+32], eax |
1391 | ret |
||
3545 | hidnplayr | 1392 | |
3658 | hidnplayr | 1393 | .invalid: |
1394 | mov dword[esp+32], -1 |
||
5969 | hidnplayr | 1395 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 1396 | ret |
1397 | |||
1398 | |||
5976 | hidnplayr | 1399 | ;-----------------------------------------------------------------; |
1400 | ; ____ ____ ; |
||
1401 | ; \ / End of sockets API \ / ; |
||
1402 | ; \/ \/ ; |
||
1403 | ; () Internally used functions follow () ; |
||
1404 | ; ; |
||
1405 | ;-----------------------------------------------------------------; |
||
1406 | |||
1407 | |||
1408 | ;-----------------------------------------------------------------; |
||
1409 | ; ; |
||
1410 | ; SOCKET_find_port: ; |
||
1411 | ; Fill in the local port number for TCP and UDP sockets ; |
||
1412 | ; This procedure always works because the number of sockets is ; |
||
1413 | ; limited to a smaller number then the number of possible ports ; |
||
1414 | ; ; |
||
1415 | ; IN: eax = socket pointer ; |
||
1416 | ; ; |
||
1417 | ; OUT: / ; |
||
1418 | ; ; |
||
1419 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1420 | align 4 |
1421 | SOCKET_find_port: |
||
1422 | |||
3556 | hidnplayr | 1423 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1424 | |
1425 | push ebx esi ecx |
||
1426 | |||
1427 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1428 | je .udp |
||
1429 | |||
1430 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1431 | je .tcp |
||
1432 | |||
1433 | pop ecx esi ebx |
||
1434 | ret |
||
1435 | |||
1436 | .udp: |
||
1437 | mov bx, [last_UDP_port] |
||
1438 | call .findit |
||
1439 | mov [last_UDP_port], bx |
||
1440 | |||
1441 | pop ecx esi ebx |
||
1442 | ret |
||
1443 | |||
1444 | .tcp: |
||
1445 | mov bx, [last_TCP_port] |
||
1446 | call .findit |
||
1447 | mov [last_TCP_port], bx |
||
1448 | |||
1449 | pop ecx esi ebx |
||
1450 | ret |
||
1451 | |||
1452 | |||
1453 | .restart: |
||
1454 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1455 | .findit: |
||
1456 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1457 | je .restart |
||
1458 | |||
1459 | add bh, 1 |
||
1460 | adc bl, 0 |
||
1461 | |||
1462 | call SOCKET_check_port |
||
1463 | jz .findit |
||
1464 | ret |
||
1465 | |||
1466 | |||
1467 | |||
5976 | hidnplayr | 1468 | ;-----------------------------------------------------------------; |
1469 | ; ; |
||
1470 | ; SOCKET_check_port (to be used with AF_INET only!) ; |
||
1471 | ; ; |
||
1472 | ; Checks if a local port number is unused ; |
||
1473 | ; If the proposed port number is unused, it is filled in in the ; |
||
1474 | ; socket structure ; |
||
1475 | ; ; |
||
1476 | ; IN: eax = socket ptr ; |
||
1477 | ; bx = proposed socket number (network byte order) ; |
||
1478 | ; ; |
||
1479 | ; OUT: ZF = set on error ; |
||
1480 | ; ; |
||
1481 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1482 | align 4 |
1483 | SOCKET_check_port: |
||
1484 | |||
3556 | hidnplayr | 1485 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1486 | |
3647 | hidnplayr | 1487 | pusha |
1488 | mov ecx, socket_mutex |
||
1489 | call mutex_lock |
||
1490 | popa |
||
1491 | |||
3545 | hidnplayr | 1492 | mov ecx, [eax + SOCKET.Protocol] |
1493 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1494 | mov esi, net_sockets |
||
1495 | |||
1496 | .next_socket: |
||
1497 | mov esi, [esi + SOCKET.NextPtr] |
||
1498 | or esi, esi |
||
1499 | jz .port_ok |
||
1500 | |||
1501 | cmp [esi + SOCKET.Protocol], ecx |
||
1502 | jne .next_socket |
||
1503 | |||
1504 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1505 | jne .next_socket |
||
1506 | |||
1507 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1508 | jne .next_socket |
||
1509 | |||
3647 | hidnplayr | 1510 | pusha |
1511 | mov ecx, socket_mutex |
||
1512 | call mutex_unlock |
||
1513 | popa |
||
1514 | |||
3556 | hidnplayr | 1515 | 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 | 1516 | ret |
1517 | |||
1518 | .port_ok: |
||
3647 | hidnplayr | 1519 | pusha |
1520 | mov ecx, socket_mutex |
||
1521 | call mutex_unlock |
||
1522 | popa |
||
1523 | |||
3556 | hidnplayr | 1524 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1525 | mov [eax + UDP_SOCKET.LocalPort], bx |
1526 | or bx, bx ; clear the zero-flag |
||
1527 | ret |
||
1528 | |||
1529 | |||
1530 | |||
5976 | hidnplayr | 1531 | ;-----------------------------------------------------------------; |
1532 | ; ; |
||
1533 | ; SOCKET_input: Update a (stateless) socket with received data. ; |
||
1534 | ; ; |
||
1535 | ; Note: The socket's mutex should already be set ! ; |
||
1536 | ; ; |
||
1537 | ; IN: eax = socket ptr ; |
||
1538 | ; ecx = data size ; |
||
1539 | ; esi = ptr to data ; |
||
1540 | ; [esp] = ptr to buf ; |
||
1541 | ; ; |
||
1542 | ; OUT: / ; |
||
1543 | ; ; |
||
1544 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1545 | align 4 |
1546 | SOCKET_input: |
||
1547 | |||
3556 | hidnplayr | 1548 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1549 | |
5522 | hidnplayr | 1550 | push ecx |
3545 | hidnplayr | 1551 | push esi |
1552 | mov esi, esp |
||
1553 | |||
1554 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1555 | |||
3556 | hidnplayr | 1556 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1557 | add esp, sizeof.socket_queue_entry |
1558 | |||
1559 | pusha |
||
1560 | lea ecx, [eax + SOCKET.mutex] |
||
1561 | call mutex_unlock |
||
1562 | popa |
||
1563 | |||
1564 | jmp SOCKET_notify |
||
1565 | |||
1566 | .full: |
||
3556 | hidnplayr | 1567 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1568 | |
1569 | pusha |
||
1570 | lea ecx, [eax + SOCKET.mutex] |
||
1571 | call mutex_unlock |
||
1572 | popa |
||
1573 | |||
5842 | hidnplayr | 1574 | add esp, 8 |
5522 | hidnplayr | 1575 | call NET_BUFF_free |
3545 | hidnplayr | 1576 | ret |
1577 | |||
1578 | |||
5976 | hidnplayr | 1579 | ;-----------------------------------------------------------------; |
1580 | ; ; |
||
1581 | ; SOCKET_ring_create: Create a ringbuffer for sockets. ; |
||
1582 | ; ; |
||
1583 | ; IN: eax = ptr to ring struct ; |
||
1584 | ; ; |
||
1585 | ; OUT: eax = 0 on error ; |
||
1586 | ; eax = start ptr ; |
||
1587 | ; ; |
||
1588 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1589 | align 4 |
1590 | SOCKET_ring_create: |
||
1591 | |||
1592 | push esi |
||
1593 | mov esi, eax |
||
1594 | |||
1595 | push edx |
||
5356 | serge | 1596 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SWR |
3545 | hidnplayr | 1597 | pop edx |
5155 | hidnplayr | 1598 | test eax, eax |
1599 | jz .fail |
||
3545 | hidnplayr | 1600 | |
5969 | hidnplayr | 1601 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
3545 | hidnplayr | 1602 | |
1603 | pusha |
||
1604 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1605 | call mutex_init |
||
1606 | popa |
||
1607 | |||
1608 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1609 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1610 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1611 | mov [esi + RING_BUFFER.size], 0 |
||
1612 | add eax, SOCKET_MAXDATA |
||
1613 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1614 | mov eax, esi |
||
1615 | |||
5969 | hidnplayr | 1616 | pop esi |
1617 | ret |
||
1618 | |||
5155 | hidnplayr | 1619 | .fail: |
5969 | hidnplayr | 1620 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
5566 | hidnplayr | 1621 | pop esi |
3545 | hidnplayr | 1622 | ret |
1623 | |||
5976 | hidnplayr | 1624 | ;-----------------------------------------------------------------; |
1625 | ; ; |
||
1626 | ; SOCKET_ring_write: Write data to ring buffer. ; |
||
1627 | ; ; |
||
1628 | ; IN: eax = ptr to ring struct ; |
||
1629 | ; ecx = data size ; |
||
1630 | ; esi = ptr to data ; |
||
1631 | ; ; |
||
1632 | ; OUT: ecx = number of bytes stored ; |
||
1633 | ; ; |
||
1634 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1635 | align 4 |
1636 | SOCKET_ring_write: |
||
1637 | |||
3556 | hidnplayr | 1638 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1639 | |
1640 | ; lock mutex |
||
1641 | pusha |
||
1642 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1643 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1644 | popa |
||
1645 | |||
1646 | ; calculate available size |
||
1647 | mov edi, SOCKET_MAXDATA |
||
1648 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1649 | cmp ecx, edi |
||
1650 | jbe .copy |
||
1651 | mov ecx, edi |
||
1652 | .copy: |
||
1653 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1654 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1655 | |
1656 | ; update write ptr |
||
1657 | push edi |
||
1658 | add edi, ecx |
||
1659 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1660 | jb @f |
||
1661 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1662 | @@: |
||
5155 | hidnplayr | 1663 | |
3545 | hidnplayr | 1664 | mov [eax + RING_BUFFER.write_ptr], edi |
1665 | pop edi |
||
1666 | |||
1667 | ; update size |
||
1668 | add [eax + RING_BUFFER.size], ecx |
||
1669 | |||
1670 | ; copy the data |
||
1671 | push ecx |
||
1672 | shr ecx, 1 |
||
1673 | jnc .nb |
||
1674 | movsb |
||
1675 | .nb: |
||
1676 | shr ecx, 1 |
||
1677 | jnc .nw |
||
1678 | movsw |
||
1679 | .nw: |
||
1680 | test ecx, ecx |
||
1681 | jz .nd |
||
3711 | clevermous | 1682 | rep movsd |
3545 | hidnplayr | 1683 | .nd: |
1684 | pop ecx |
||
1685 | |||
1686 | ; unlock mutex |
||
4344 | hidnplayr | 1687 | pusha |
3545 | hidnplayr | 1688 | lea ecx, [eax + RING_BUFFER.mutex] |
1689 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
4344 | hidnplayr | 1690 | popa |
3545 | hidnplayr | 1691 | |
1692 | ret |
||
1693 | |||
5976 | hidnplayr | 1694 | ;-----------------------------------------------------------------; |
1695 | ; ; |
||
1696 | ; SOCKET_ring_read: Read from ring buffer ; |
||
1697 | ; ; |
||
1698 | ; IN: eax = ring struct ptr ; |
||
1699 | ; ecx = bytes to read ; |
||
1700 | ; edx = offset ; |
||
1701 | ; edi = ptr to buffer start ; |
||
1702 | ; ; |
||
1703 | ; OUT: eax = unchanged ; |
||
1704 | ; ecx = number of bytes read (0 on error) ; |
||
1705 | ; edx = destroyed ; |
||
1706 | ; esi = destroyed ; |
||
1707 | ; edi = ptr to buffer end ; |
||
1708 | ; ; |
||
1709 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1710 | align 4 |
1711 | SOCKET_ring_read: |
||
1712 | |||
3556 | hidnplayr | 1713 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1714 | |
1715 | pusha |
||
1716 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1717 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1718 | popa |
||
1719 | |||
1720 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1721 | add esi, edx ; esi = start_ptr + offset |
||
1722 | |||
1723 | neg edx |
||
1724 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1725 | jle .no_data_at_all |
||
1726 | |||
1727 | pusha |
||
1728 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1729 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1730 | popa |
||
1731 | |||
1732 | cmp ecx, edx |
||
1733 | ja .less_data |
||
1734 | |||
1735 | .copy: |
||
3556 | hidnplayr | 1736 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1737 | push ecx |
1738 | shr ecx, 1 |
||
1739 | jnc .nb |
||
1740 | movsb |
||
1741 | .nb: |
||
1742 | shr ecx, 1 |
||
1743 | jnc .nw |
||
1744 | movsw |
||
1745 | .nw: |
||
1746 | test ecx, ecx |
||
1747 | jz .nd |
||
3711 | clevermous | 1748 | rep movsd |
3545 | hidnplayr | 1749 | .nd: |
1750 | pop ecx |
||
1751 | ret |
||
1752 | |||
1753 | .no_data_at_all: |
||
1754 | pusha |
||
1755 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1756 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1757 | popa |
||
1758 | |||
3556 | hidnplayr | 1759 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1760 | xor ecx, ecx |
1761 | ret |
||
1762 | |||
1763 | .less_data: |
||
1764 | mov ecx, edx |
||
1765 | jmp .copy |
||
1766 | |||
1767 | |||
5976 | hidnplayr | 1768 | ;-----------------------------------------------------------------; |
1769 | ; ; |
||
1770 | ; SOCKET_ring_free: Free data from a ringbuffer ; |
||
1771 | ; ; |
||
1772 | ; IN: eax = ptr to ring struct ; |
||
1773 | ; ecx = data size ; |
||
1774 | ; ; |
||
1775 | ; OUT: ecx = number of freed bytes ; |
||
1776 | ; ; |
||
1777 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1778 | align 4 |
1779 | SOCKET_ring_free: |
||
1780 | |||
3556 | hidnplayr | 1781 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1782 | |
1783 | push eax ecx |
||
1784 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1785 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1786 | pop ecx eax |
||
1787 | |||
1788 | sub [eax + RING_BUFFER.size], ecx |
||
1789 | jb .error |
||
1790 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1791 | |||
1792 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1793 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1794 | jb @f |
||
1795 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1796 | @@: |
||
1797 | |||
1798 | push eax ecx |
||
1799 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1800 | call mutex_unlock |
||
1801 | pop ecx eax |
||
1802 | |||
1803 | ret |
||
1804 | |||
1805 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1806 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1807 | add [eax + RING_BUFFER.size], ecx |
1808 | |||
1809 | push eax |
||
1810 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1811 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1812 | pop eax |
||
1813 | |||
1814 | xor ecx, ecx |
||
1815 | ret |
||
1816 | |||
1817 | |||
5976 | hidnplayr | 1818 | ;-----------------------------------------------------------------; |
1819 | ; ; |
||
1820 | ; SOCKET_block: Suspend the thread attached to a socket. ; |
||
1821 | ; ; |
||
1822 | ; IN: eax = socket ptr ; |
||
1823 | ; ; |
||
1824 | ; OUT: eax = unchanged ; |
||
1825 | ; ; |
||
1826 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1827 | align 4 |
1828 | SOCKET_block: |
||
1829 | |||
3556 | hidnplayr | 1830 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1831 | |
4520 | hidnplayr | 1832 | push eax |
1833 | |||
3545 | hidnplayr | 1834 | pushf |
1835 | cli |
||
1836 | |||
1837 | ; Set the 'socket is blocked' flag |
||
1838 | or [eax + SOCKET.state], SS_BLOCKED |
||
1839 | |||
1840 | ; Suspend the thread |
||
1841 | push edx |
||
1842 | mov edx, [TASK_BASE] |
||
1843 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1844 | |||
1845 | ; Remember the thread ID so we can wake it up again |
||
1846 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1847 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1848 | mov [eax + SOCKET.TID], edx |
1849 | pop edx |
||
4520 | hidnplayr | 1850 | popf |
3545 | hidnplayr | 1851 | |
1852 | call change_task |
||
3674 | hidnplayr | 1853 | pop eax |
3545 | hidnplayr | 1854 | |
4520 | hidnplayr | 1855 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
3545 | hidnplayr | 1856 | |
1857 | ret |
||
1858 | |||
1859 | |||
5976 | hidnplayr | 1860 | ;-----------------------------------------------------------------; |
1861 | ; ; |
||
1862 | ; SOCKET_notify: Wake up socket owner thread. ; |
||
1863 | ; ; |
||
1864 | ; IN: eax = socket ptr ; |
||
1865 | ; ; |
||
1866 | ; OUT: eax = unchanged ; |
||
1867 | ; ; |
||
1868 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1869 | align 4 |
1870 | SOCKET_notify: |
||
1871 | |||
3556 | hidnplayr | 1872 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1873 | |
1874 | call SOCKET_check |
||
1875 | jz .error |
||
1876 | |||
4527 | hidnplayr | 1877 | ; Find the associated thread's TASK_DATA |
1878 | push ebx ecx esi |
||
1879 | mov ebx, [eax + SOCKET.TID] |
||
1880 | test ebx, ebx |
||
1881 | jz .error2 |
||
1882 | xor ecx, ecx |
||
3545 | hidnplayr | 1883 | inc ecx |
4527 | hidnplayr | 1884 | mov esi, TASK_DATA |
1885 | .next: |
||
1886 | cmp [esi + TASKDATA.pid], ebx |
||
1887 | je .found |
||
1888 | inc ecx |
||
3545 | hidnplayr | 1889 | add esi, 0x20 |
1890 | cmp ecx, [TASK_COUNT] |
||
4527 | hidnplayr | 1891 | jbe .next |
1892 | |||
1893 | .error2: |
||
3545 | hidnplayr | 1894 | ; PID not found, TODO: close socket! |
4527 | hidnplayr | 1895 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1896 | pop esi ecx ebx |
||
1897 | ret |
||
3545 | hidnplayr | 1898 | |
4527 | hidnplayr | 1899 | .error: |
4528 | hidnplayr | 1900 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
4527 | hidnplayr | 1901 | ret |
1902 | |||
1903 | .found: |
||
1904 | test [eax + SOCKET.state], SS_BLOCKED |
||
4528 | hidnplayr | 1905 | jnz .un_block |
4527 | hidnplayr | 1906 | |
5976 | hidnplayr | 1907 | ; Socket and thread exists and socket is of non blocking type. |
4527 | hidnplayr | 1908 | ; We'll try to flag an event to the thread. |
3545 | hidnplayr | 1909 | shl ecx, 8 |
1910 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1911 | |||
3817 | hidnplayr | 1912 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", eax |
4527 | hidnplayr | 1913 | pop esi ecx ebx |
1914 | ret |
||
3545 | hidnplayr | 1915 | |
4527 | hidnplayr | 1916 | |
4528 | hidnplayr | 1917 | .un_block: |
5976 | hidnplayr | 1918 | ; Socket and thread exists and socket is of blocking type |
4527 | hidnplayr | 1919 | ; We'll try to unblock it. |
1920 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
||
1921 | mov [esi + TASKDATA.state], 0 ; Run the thread |
||
3545 | hidnplayr | 1922 | |
3556 | hidnplayr | 1923 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
4527 | hidnplayr | 1924 | pop esi ecx ebx |
3545 | hidnplayr | 1925 | ret |
1926 | |||
1927 | |||
5976 | hidnplayr | 1928 | ;-----------------------------------------------------------------; |
1929 | ; ; |
||
1930 | ; SOCKET_alloc: ; |
||
1931 | ; Allocate memory for socket and put new socket into the list. ; |
||
1932 | ; Newly created socket is initialized with calling PID and socket ; |
||
1933 | ; number. ; |
||
1934 | ; ; |
||
1935 | ; IN: / ; |
||
1936 | ; ; |
||
1937 | ; OUT: eax = socket ptr on success ; |
||
1938 | ; eax = 0 on error ; |
||
1939 | ; edi = socket number on success ; |
||
1940 | ; ; |
||
1941 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1942 | align 4 |
1943 | SOCKET_alloc: |
||
1944 | |||
1945 | push ebx |
||
1946 | |||
1947 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
5969 | hidnplayr | 1948 | or eax, eax |
1949 | jz .nomem |
||
3556 | hidnplayr | 1950 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1951 | |
1952 | ; zero-initialize allocated memory |
||
1953 | push eax |
||
1954 | mov edi, eax |
||
1955 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1956 | xor eax, eax |
||
3711 | clevermous | 1957 | rep stosd |
3545 | hidnplayr | 1958 | pop eax |
1959 | |||
1960 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1961 | mov [eax + SOCKET.snd_proc], .not_yet |
1962 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1963 | |
3647 | hidnplayr | 1964 | pusha |
1965 | mov ecx, socket_mutex |
||
1966 | call mutex_lock |
||
1967 | popa |
||
1968 | |||
3545 | hidnplayr | 1969 | ; find first free socket number and use it |
1970 | mov edi, [last_socket_num] |
||
1971 | .next_socket_number: |
||
1972 | inc edi |
||
1973 | jz .next_socket_number ; avoid socket nr 0 |
||
1974 | cmp edi, -1 |
||
1975 | je .next_socket_number ; avoid socket nr -1 |
||
1976 | mov ebx, net_sockets |
||
1977 | .next_socket: |
||
1978 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1979 | test ebx, ebx |
||
1980 | jz .last_socket |
||
1981 | |||
1982 | cmp [ebx + SOCKET.Number], edi |
||
1983 | jne .next_socket |
||
1984 | jmp .next_socket_number |
||
1985 | |||
1986 | .last_socket: |
||
1987 | mov [last_socket_num], edi |
||
1988 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1989 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1990 | |
1991 | ; Fill in PID |
||
1992 | mov ebx, [TASK_BASE] |
||
1993 | mov ebx, [ebx + TASKDATA.pid] |
||
1994 | mov [eax + SOCKET.PID], ebx |
||
1995 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1996 | |||
1997 | ; init mutex |
||
1998 | pusha |
||
1999 | lea ecx, [eax + SOCKET.mutex] |
||
2000 | call mutex_init |
||
2001 | popa |
||
2002 | |||
2003 | ; add socket to the list by re-arranging some pointers |
||
2004 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2005 | |||
2006 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2007 | mov [eax + SOCKET.NextPtr], ebx |
||
2008 | |||
2009 | test ebx, ebx |
||
2010 | jz @f |
||
2011 | |||
2012 | pusha |
||
2013 | lea ecx, [ebx + SOCKET.mutex] |
||
2014 | call mutex_lock |
||
2015 | popa |
||
2016 | |||
2017 | mov [ebx + SOCKET.PrevPtr], eax |
||
2018 | |||
2019 | pusha |
||
2020 | lea ecx, [ebx + SOCKET.mutex] |
||
2021 | call mutex_unlock |
||
2022 | popa |
||
2023 | @@: |
||
2024 | |||
2025 | mov [net_sockets + SOCKET.NextPtr], eax |
||
3647 | hidnplayr | 2026 | |
2027 | pusha |
||
2028 | mov ecx, socket_mutex |
||
2029 | call mutex_unlock |
||
2030 | popa |
||
3545 | hidnplayr | 2031 | pop ebx |
2032 | |||
2033 | ret |
||
2034 | |||
5969 | hidnplayr | 2035 | .nomem: |
2036 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
||
2037 | pop ebx |
||
2038 | ret |
||
2039 | |||
3658 | hidnplayr | 2040 | .not_yet: |
3673 | hidnplayr | 2041 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2042 | mov dword[esp+32], -1 |
2043 | ret |
||
3545 | hidnplayr | 2044 | |
3658 | hidnplayr | 2045 | |
5976 | hidnplayr | 2046 | ;-----------------------------------------------------------------; |
2047 | ; ; |
||
2048 | ; SOCKET_free: ; |
||
2049 | ; Free socket data memory and remove socket from the list. ; |
||
2050 | ; Caller should lock and unlock socket_mutex. ; |
||
2051 | ; ; |
||
2052 | ; IN: eax = socket ptr ; |
||
2053 | ; ; |
||
2054 | ; OUT: / ; |
||
2055 | ; ; |
||
2056 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2057 | align 4 |
2058 | SOCKET_free: |
||
2059 | |||
3556 | hidnplayr | 2060 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2061 | |
2062 | call SOCKET_check |
||
2063 | jz .error |
||
2064 | |||
2065 | push ebx |
||
2066 | |||
2067 | pusha |
||
2068 | lea ecx, [eax + SOCKET.mutex] |
||
2069 | call mutex_lock |
||
2070 | popa |
||
2071 | |||
5969 | hidnplayr | 2072 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2073 | jne .no_stream |
||
3545 | hidnplayr | 2074 | |
2075 | mov ebx, eax |
||
5969 | hidnplayr | 2076 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2077 | je @f |
||
2078 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
||
2079 | @@: |
||
2080 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
||
2081 | je @f |
||
2082 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2083 | @@: |
||
3545 | hidnplayr | 2084 | mov eax, ebx |
5969 | hidnplayr | 2085 | .no_stream: |
3545 | hidnplayr | 2086 | |
3652 | hidnplayr | 2087 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2088 | push eax ; this will be passed to kernel_free |
2089 | mov ebx, [eax + SOCKET.NextPtr] |
||
2090 | mov eax, [eax + SOCKET.PrevPtr] |
||
2091 | |||
3556 | hidnplayr | 2092 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2093 | |
2094 | test eax, eax |
||
2095 | jz @f |
||
2096 | mov [eax + SOCKET.NextPtr], ebx |
||
2097 | @@: |
||
2098 | |||
2099 | test ebx, ebx |
||
2100 | jz @f |
||
2101 | mov [ebx + SOCKET.PrevPtr], eax |
||
2102 | @@: |
||
2103 | |||
2104 | call kernel_free |
||
2105 | pop ebx |
||
2106 | |||
3652 | hidnplayr | 2107 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2108 | |||
2109 | .error: |
||
3545 | hidnplayr | 2110 | ret |
2111 | |||
5969 | hidnplayr | 2112 | .error1: |
2113 | pop ebx |
||
5976 | hidnplayr | 2114 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
5969 | hidnplayr | 2115 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2116 | ret |
||
2117 | |||
5976 | hidnplayr | 2118 | ;-----------------------------------------------------------------; |
2119 | ; ; |
||
2120 | ; SOCKET_fork: Create a child socket. ; |
||
2121 | ; ; |
||
2122 | ; IN: ebx = socket number ; |
||
2123 | ; ; |
||
2124 | ; OUT: eax = child socket number on success ; |
||
2125 | ; eax = 0 on error ; |
||
2126 | ; ; |
||
2127 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2128 | align 4 |
2129 | SOCKET_fork: |
||
2130 | |||
3556 | hidnplayr | 2131 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2132 | |
2133 | ; Exit if backlog queue is full |
||
2134 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2135 | cmp ax, [ebx + SOCKET.backlog] |
||
2136 | jae .fail |
||
2137 | |||
2138 | ; Allocate new socket |
||
2139 | push ebx |
||
2140 | call SOCKET_alloc |
||
2141 | pop ebx |
||
4535 | hidnplayr | 2142 | test eax, eax |
3545 | hidnplayr | 2143 | jz .fail |
2144 | |||
2145 | push eax |
||
2146 | mov esi, esp |
||
2147 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2148 | pop eax |
||
2149 | |||
2150 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2151 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2152 | ; TID will be filled in later |
||
3545 | hidnplayr | 2153 | lea esi, [ebx + SOCKET.PID] |
2154 | lea edi, [eax + SOCKET.PID] |
||
2155 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2156 | rep movsd |
3545 | hidnplayr | 2157 | |
2158 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2159 | |||
3817 | hidnplayr | 2160 | ; Notify owner of parent socket |
2161 | push eax |
||
2162 | mov eax, ebx |
||
2163 | call SOCKET_notify |
||
2164 | pop eax |
||
2165 | |||
3545 | hidnplayr | 2166 | ret |
2167 | |||
2168 | .fail2: |
||
2169 | add esp, 4+4+4 |
||
2170 | .fail: |
||
3556 | hidnplayr | 2171 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2172 | xor eax, eax |
2173 | ret |
||
2174 | |||
2175 | |||
5976 | hidnplayr | 2176 | ;-----------------------------------------------------------------; |
2177 | ; ; |
||
2178 | ; SOCKET_num_to_ptr: Get socket structure address by its number. ; |
||
2179 | ; ; |
||
2180 | ; IN: ecx = socket number ; |
||
2181 | ; ; |
||
2182 | ; OUT: eax = socket ptr ; |
||
2183 | ; eax = 0 on error ; |
||
2184 | ; ; |
||
2185 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2186 | align 4 |
2187 | SOCKET_num_to_ptr: |
||
2188 | |||
3556 | hidnplayr | 2189 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2190 | |
3647 | hidnplayr | 2191 | pusha |
2192 | mov ecx, socket_mutex |
||
2193 | call mutex_lock |
||
2194 | popa |
||
2195 | |||
3545 | hidnplayr | 2196 | mov eax, net_sockets |
2197 | .next_socket: |
||
2198 | mov eax, [eax + SOCKET.NextPtr] |
||
5969 | hidnplayr | 2199 | test eax, eax |
3545 | hidnplayr | 2200 | jz .error |
2201 | cmp [eax + SOCKET.Number], ecx |
||
2202 | jne .next_socket |
||
2203 | |||
3647 | hidnplayr | 2204 | pusha |
2205 | mov ecx, socket_mutex |
||
2206 | call mutex_unlock |
||
2207 | popa |
||
2208 | |||
3556 | hidnplayr | 2209 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2210 | ret |
2211 | |||
2212 | .error: |
||
3647 | hidnplayr | 2213 | pusha |
2214 | mov ecx, socket_mutex |
||
2215 | call mutex_unlock |
||
2216 | popa |
||
2217 | |||
4574 | hidnplayr | 2218 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2219 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
||
3545 | hidnplayr | 2220 | ret |
2221 | |||
2222 | |||
5976 | hidnplayr | 2223 | ;-----------------------------------------------------------------; |
2224 | ; ; |
||
2225 | ; SOCKET_ptr_to_num: Get socket number by its address. ; |
||
2226 | ; ; |
||
2227 | ; IN: eax = socket ptr ; |
||
2228 | ; ; |
||
2229 | ; OUT: eax = socket number ; |
||
2230 | ; eax = 0 on error ; |
||
2231 | ; ZF = set on error ; |
||
2232 | ; ; |
||
2233 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2234 | align 4 |
2235 | SOCKET_ptr_to_num: |
||
2236 | |||
3556 | hidnplayr | 2237 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2238 | |
2239 | call SOCKET_check |
||
2240 | jz .error |
||
2241 | |||
2242 | mov eax, [eax + SOCKET.Number] |
||
2243 | |||
3556 | hidnplayr | 2244 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2245 | ret |
2246 | |||
2247 | .error: |
||
3556 | hidnplayr | 2248 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2249 | ret |
2250 | |||
2251 | |||
5976 | hidnplayr | 2252 | ;-----------------------------------------------------------------; |
2253 | ; ; |
||
2254 | ; SOCKET_check: Checks if the given ptr is really a socket ptr. ; |
||
2255 | ; ; |
||
2256 | ; IN: eax = socket ptr ; |
||
2257 | ; ; |
||
2258 | ; OUT: eax = 0 on error ; |
||
2259 | ; ZF = set on error ; |
||
2260 | ; ; |
||
2261 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2262 | align 4 |
2263 | SOCKET_check: |
||
2264 | |||
3556 | hidnplayr | 2265 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2266 | |
5969 | hidnplayr | 2267 | test eax, eax |
2268 | jz .error |
||
3545 | hidnplayr | 2269 | push ebx |
2270 | mov ebx, net_sockets |
||
2271 | |||
2272 | .next_socket: |
||
2273 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2274 | or ebx, ebx |
||
2275 | jz .done |
||
2276 | cmp ebx, eax |
||
2277 | jnz .next_socket |
||
2278 | |||
2279 | .done: |
||
2280 | mov eax, ebx |
||
2281 | test eax, eax |
||
2282 | pop ebx |
||
5969 | hidnplayr | 2283 | ret |
3545 | hidnplayr | 2284 | |
5969 | hidnplayr | 2285 | .error: |
5976 | hidnplayr | 2286 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
5969 | hidnplayr | 2287 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
3545 | hidnplayr | 2288 | ret |
2289 | |||
2290 | |||
2291 | |||
5976 | hidnplayr | 2292 | ;-----------------------------------------------------------------; |
2293 | ; ; |
||
2294 | ; SOCKET_check_owner: Check if the caller app owns the socket. ; |
||
2295 | ; ; |
||
2296 | ; IN: eax = socket ptr ; |
||
2297 | ; ; |
||
2298 | ; OUT: ZF = true/false ; |
||
2299 | ; ; |
||
2300 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2301 | align 4 |
2302 | SOCKET_check_owner: |
||
2303 | |||
3556 | hidnplayr | 2304 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2305 | |
2306 | push ebx |
||
2307 | mov ebx, [TASK_BASE] |
||
2308 | mov ebx, [ebx + TASKDATA.pid] |
||
2309 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2310 | pop ebx |
3545 | hidnplayr | 2311 | |
2312 | ret |
||
2313 | |||
2314 | |||
2315 | |||
2316 | |||
5976 | hidnplayr | 2317 | ;-----------------------------------------------------------------; |
2318 | ; ; |
||
2319 | ; SOCKET_process_end: ; |
||
2320 | ; Kernel calls this function when a certain process ends. ; |
||
2321 | ; This function will check if the process had any open sockets, ; |
||
2322 | ; and update them accordingly (clean up). ; |
||
2323 | ; ; |
||
2324 | ; IN: edx = pid ; |
||
2325 | ; ; |
||
2326 | ; OUT: / ; |
||
2327 | ; ; |
||
2328 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2329 | align 4 |
2330 | SOCKET_process_end: |
||
2331 | |||
4436 | hidnplayr | 2332 | ret ; FIXME |
2333 | |||
4056 | hidnplayr | 2334 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2335 | je .quickret ; nope, exit immediately |
||
2336 | |||
2337 | ; TODO: run the following code in another thread, to avoid deadlock |
||
2338 | |||
3556 | hidnplayr | 2339 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2340 | |
3647 | hidnplayr | 2341 | pusha |
2342 | mov ecx, socket_mutex |
||
2343 | call mutex_lock |
||
2344 | popa |
||
2345 | |||
3545 | hidnplayr | 2346 | push ebx |
2347 | mov ebx, net_sockets |
||
2348 | |||
2349 | .next_socket: |
||
2350 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2351 | .next_socket_test: |
||
2352 | test ebx, ebx |
||
2353 | jz .done |
||
2354 | |||
2355 | cmp [ebx + SOCKET.PID], edx |
||
2356 | jne .next_socket |
||
2357 | |||
3556 | hidnplayr | 2358 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2359 | |
2360 | mov [ebx + SOCKET.PID], 0 |
||
2361 | mov eax, ebx |
||
2362 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2363 | |
3545 | hidnplayr | 2364 | pusha |
3652 | hidnplayr | 2365 | cmp [eax + SOCKET.Domain], AF_INET4 |
2366 | jne .free |
||
2367 | |||
2368 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2369 | jne .free |
||
2370 | |||
4366 | hidnplayr | 2371 | call TCP_disconnect |
3652 | hidnplayr | 2372 | jmp .closed |
2373 | |||
2374 | .free: |
||
2375 | call SOCKET_free |
||
2376 | |||
2377 | .closed: |
||
3545 | hidnplayr | 2378 | popa |
2379 | jmp .next_socket_test |
||
2380 | |||
2381 | .done: |
||
2382 | pop ebx |
||
2383 | |||
3647 | hidnplayr | 2384 | pusha |
2385 | mov ecx, socket_mutex |
||
2386 | call mutex_unlock |
||
2387 | popa |
||
2388 | |||
4056 | hidnplayr | 2389 | .quickret: |
3545 | hidnplayr | 2390 | ret |
2391 | |||
2392 | |||
2393 | |||
2394 | |||
5976 | hidnplayr | 2395 | ;-----------------------------------------------------------------; |
2396 | ; ; |
||
2397 | ; SOCKET_is_connecting: Update socket state. ; |
||
2398 | ; ; |
||
2399 | ; IN: eax = socket ptr ; |
||
2400 | ; ; |
||
2401 | ; OUT: / ; |
||
2402 | ; ; |
||
2403 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2404 | align 4 |
2405 | SOCKET_is_connecting: |
||
2406 | |||
3556 | hidnplayr | 2407 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2408 | |
4025 | hidnplayr | 2409 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2410 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
2411 | ret |
||
3545 | hidnplayr | 2412 | |
2413 | |||
2414 | |||
5976 | hidnplayr | 2415 | ;-----------------------------------------------------------------; |
2416 | ; ; |
||
2417 | ; SOCKET_is_connected: Update socket state. ; |
||
2418 | ; ; |
||
2419 | ; IN: eax = socket ptr ; |
||
2420 | ; ; |
||
2421 | ; OUT: / ; |
||
2422 | ; ; |
||
2423 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2424 | align 4 |
2425 | SOCKET_is_connected: |
||
2426 | |||
3556 | hidnplayr | 2427 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2428 | |
3674 | hidnplayr | 2429 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2430 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
3545 | hidnplayr | 2431 | jmp SOCKET_notify |
2432 | |||
2433 | |||
2434 | |||
2435 | |||
5976 | hidnplayr | 2436 | ;-----------------------------------------------------------------; |
2437 | ; ; |
||
2438 | ; SOCKET_is_disconnecting: Update socket state. ; |
||
2439 | ; ; |
||
2440 | ; IN: eax = socket ptr ; |
||
2441 | ; ; |
||
2442 | ; OUT: / ; |
||
2443 | ; ; |
||
2444 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2445 | align 4 |
2446 | SOCKET_is_disconnecting: |
||
2447 | |||
3556 | hidnplayr | 2448 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2449 | |
3674 | hidnplayr | 2450 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2451 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2452 | jmp SOCKET_notify |
2453 | |||
2454 | |||
2455 | |||
5976 | hidnplayr | 2456 | ;-----------------------------------------------------------------; |
2457 | ; ; |
||
2458 | ; SOCKET_is_disconnected: Update socket state. ; |
||
2459 | ; ; |
||
2460 | ; IN: eax = socket ptr ; |
||
2461 | ; ; |
||
2462 | ; OUT: / ; |
||
2463 | ; ; |
||
2464 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2465 | align 4 |
2466 | SOCKET_is_disconnected: |
||
2467 | |||
3556 | hidnplayr | 2468 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2469 | |
3674 | hidnplayr | 2470 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2471 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2472 | jmp SOCKET_notify |
2473 | |||
2474 | |||
2475 | |||
5976 | hidnplayr | 2476 | ;-----------------------------------------------------------------; |
2477 | ; ; |
||
2478 | ; SOCKET_cant_recv_more: Update socket state. ; |
||
2479 | ; ; |
||
2480 | ; IN: eax = socket ptr ; |
||
2481 | ; ; |
||
2482 | ; OUT: / ; |
||
2483 | ; ; |
||
2484 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2485 | align 4 |
2486 | SOCKET_cant_recv_more: |
||
2487 | |||
3556 | hidnplayr | 2488 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2489 | |
3674 | hidnplayr | 2490 | or [eax + SOCKET.state], SS_CANTRCVMORE |
5976 | hidnplayr | 2491 | jmp SOCKET_notify |
3545 | hidnplayr | 2492 | |
3565 | hidnplayr | 2493 | |
3545 | hidnplayr | 2494 | |
5976 | hidnplayr | 2495 | ;-----------------------------------------------------------------; |
2496 | ; ; |
||
2497 | ; SOCKET_cant_send_more: Update socket state. ; |
||
2498 | ; ; |
||
2499 | ; IN: eax = socket ptr ; |
||
2500 | ; ; |
||
2501 | ; OUT: / ; |
||
2502 | ; ; |
||
2503 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2504 | align 4 |
2505 | SOCKET_cant_send_more: |
||
2506 | |||
3556 | hidnplayr | 2507 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2508 | |
3674 | hidnplayr | 2509 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2510 | mov [eax + SOCKET.snd_proc], .notconn |
5976 | hidnplayr | 2511 | jmp SOCKET_notify |
3545 | hidnplayr | 2512 | |
3658 | hidnplayr | 2513 | .notconn: |
3673 | hidnplayr | 2514 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2515 | mov dword[esp+32], -1 |
5356 | serge | 2516 | ret |