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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org, ;; |
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9 | ;; and Clevermouse. ;; |
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10 | ;; ;; |
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11 | ;; Based on code by mike.dld ;; |
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12 | ;; ;; |
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13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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17 | |||
18 | $Revision: 3514 $ |
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19 | |||
20 | |||
21 | struct SOCKET |
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22 | |||
23 | NextPtr dd ? ; pointer to next socket in list |
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24 | PrevPtr dd ? ; pointer to previous socket in list |
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25 | Number dd ? ; socket number |
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26 | |||
27 | mutex MUTEX |
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28 | |||
29 | PID dd ? ; process ID |
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30 | TID dd ? ; thread ID |
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31 | Domain dd ? ; INET/LOCAL/.. |
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32 | Type dd ? ; RAW/STREAM/DGRAP |
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33 | Protocol dd ? ; ICMP/IPv4/ARP/TCP/UDP |
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34 | errorcode dd ? |
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35 | device dd ? ; driver pointer, socket pointer if it's an LOCAL socket |
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36 | |||
37 | options dd ? |
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38 | state dd ? |
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39 | backlog dw ? ; how many incoming connections that can be queued |
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40 | |||
41 | snd_proc dd ? |
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42 | rcv_proc dd ? |
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43 | |||
44 | ends |
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45 | |||
46 | struct IP_SOCKET SOCKET |
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47 | |||
48 | LocalIP rd 4 ; network byte order |
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49 | RemoteIP rd 4 ; network byte order |
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50 | |||
51 | ends |
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52 | |||
53 | struct TCP_SOCKET IP_SOCKET |
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54 | |||
55 | LocalPort dw ? ; network byte order |
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56 | RemotePort dw ? ; network byte order |
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57 | |||
58 | t_state dd ? ; TCB state |
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59 | t_rxtshift db ? |
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60 | rb 3 ; align |
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61 | t_rxtcur dd ? |
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62 | t_dupacks dd ? |
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63 | t_maxseg dd ? |
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64 | t_force dd ? |
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65 | t_flags dd ? |
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66 | |||
67 | ;--------------- |
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68 | ; RFC783 page 21 |
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69 | |||
70 | ; send sequence |
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71 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
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72 | SND_NXT dd ? ; next send sequence number to use |
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73 | SND_UP dd ? ; urgent pointer |
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74 | SND_WL1 dd ? ; window minus one |
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75 | SND_WL2 dd ? ; |
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76 | ISS dd ? ; initial send sequence number |
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77 | SND_WND dd ? ; send window |
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78 | |||
79 | ; receive sequence |
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80 | RCV_WND dd ? ; receive window |
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81 | RCV_NXT dd ? ; next receive sequence number to use |
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82 | RCV_UP dd ? ; urgent pointer |
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83 | IRS dd ? ; initial receive sequence number |
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84 | |||
85 | ;--------------------- |
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86 | ; Additional variables |
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87 | |||
88 | ; receive variables |
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89 | RCV_ADV dd ? |
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90 | |||
91 | ; retransmit variables |
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92 | SND_MAX dd ? |
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93 | |||
94 | ; congestion control |
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95 | SND_CWND dd ? |
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96 | SND_SSTHRESH dd ? |
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97 | |||
98 | ;---------------------- |
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99 | ; Transmit timing stuff |
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100 | t_idle dd ? |
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101 | t_rtt dd ? |
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102 | t_rtseq dd ? |
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103 | t_srtt dd ? |
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104 | t_rttvar dd ? |
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105 | t_rttmin dd ? |
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106 | max_sndwnd dd ? |
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107 | |||
108 | ;----------------- |
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109 | ; Out-of-band data |
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110 | t_oobflags dd ? |
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111 | t_iobc dd ? |
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112 | t_softerror dd ? |
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113 | |||
114 | |||
115 | ;--------- |
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116 | ; RFC 1323 ; the order of next 4 elements may not change |
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117 | |||
118 | SND_SCALE db ? |
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119 | RCV_SCALE db ? |
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120 | requested_s_scale db ? |
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121 | request_r_scale db ? |
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122 | |||
123 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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124 | ts_recent_age dd ? |
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125 | last_ack_sent dd ? |
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126 | |||
127 | |||
128 | ;------- |
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129 | ; Timers |
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3600 | hidnplayr | 130 | timer_flags dd ? |
3545 | hidnplayr | 131 | timer_retransmission dd ? ; rexmt |
132 | timer_persist dd ? |
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133 | timer_keepalive dd ? ; keepalive/syn timeout |
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134 | timer_timed_wait dd ? ; also used as 2msl timer |
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135 | |||
136 | ; extra |
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137 | |||
138 | ts_ecr dd ? ; timestamp echo reply |
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139 | ts_val dd ? |
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140 | |||
141 | seg_next dd ? ; re-assembly queue |
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142 | |||
143 | temp_bits db ? |
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144 | rb 3 ; align |
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145 | |||
146 | ends |
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147 | |||
148 | struct UDP_SOCKET IP_SOCKET |
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149 | |||
150 | LocalPort dw ? ; network byte order |
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151 | RemotePort dw ? ; network byte order |
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152 | firstpacket db ? |
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153 | |||
154 | ends |
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155 | |||
156 | |||
157 | struct ICMP_SOCKET IP_SOCKET |
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158 | |||
159 | Identifier dw ? |
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160 | |||
161 | ends |
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162 | |||
163 | |||
164 | struct RING_BUFFER |
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165 | |||
166 | mutex MUTEX |
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167 | start_ptr dd ? ; Pointer to start of buffer |
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168 | end_ptr dd ? ; pointer to end of buffer |
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169 | read_ptr dd ? ; Read pointer |
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170 | write_ptr dd ? ; Write pointer |
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171 | size dd ? ; Number of bytes buffered |
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172 | |||
173 | ends |
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174 | |||
175 | struct STREAM_SOCKET TCP_SOCKET |
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176 | |||
177 | rcv RING_BUFFER |
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178 | snd RING_BUFFER |
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179 | |||
180 | ends |
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181 | |||
182 | struct socket_queue_entry |
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183 | |||
184 | data_ptr dd ? |
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185 | buf_ptr dd ? |
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186 | data_size dd ? |
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187 | |||
188 | ends |
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189 | |||
190 | |||
191 | SOCKETBUFFSIZE = 4096 ; in bytes |
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192 | |||
193 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
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194 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
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195 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
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196 | |||
197 | uglobal |
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198 | net_sockets rd 4 |
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199 | last_socket_num dd ? |
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200 | last_UDP_port dw ? ; These values give the number of the last used ephemeral port |
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201 | last_TCP_port dw ? ; |
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3647 | hidnplayr | 202 | socket_mutex MUTEX |
3545 | hidnplayr | 203 | endg |
204 | |||
205 | |||
206 | ;----------------------------------------------------------------- |
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207 | ; |
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208 | ; SOCKET_init |
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209 | ; |
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210 | ;----------------------------------------------------------------- |
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211 | macro SOCKET_init { |
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212 | |||
213 | xor eax, eax |
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214 | mov edi, net_sockets |
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215 | mov ecx, 5 |
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216 | rep stosd |
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217 | |||
218 | @@: |
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219 | pseudo_random eax |
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3600 | hidnplayr | 220 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 221 | jb @r |
3600 | hidnplayr | 222 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 223 | ja @r |
224 | xchg al, ah |
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225 | mov [last_UDP_port], ax |
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226 | |||
227 | @@: |
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228 | pseudo_random eax |
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3600 | hidnplayr | 229 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 230 | jb @r |
3600 | hidnplayr | 231 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 232 | ja @r |
233 | xchg al, ah |
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234 | mov [last_TCP_port], ax |
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235 | |||
3647 | hidnplayr | 236 | mov ecx, socket_mutex |
237 | call mutex_init |
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238 | |||
3545 | hidnplayr | 239 | } |
240 | |||
241 | ;----------------------------------------------------------------- |
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242 | ; |
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243 | ; Socket API (function 74) |
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244 | ; |
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245 | ;----------------------------------------------------------------- |
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246 | align 4 |
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247 | sys_socket: |
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248 | |||
249 | cmp ebx, 255 |
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250 | jz SOCKET_debug |
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251 | |||
252 | cmp ebx, .number |
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253 | ja s_error |
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254 | jmp dword [.table + 4*ebx] |
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255 | |||
256 | .table: |
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257 | dd SOCKET_open ; 0 |
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258 | dd SOCKET_close ; 1 |
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259 | dd SOCKET_bind ; 2 |
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260 | dd SOCKET_listen ; 3 |
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261 | dd SOCKET_connect ; 4 |
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262 | dd SOCKET_accept ; 5 |
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263 | dd SOCKET_send ; 6 |
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264 | dd SOCKET_receive ; 7 |
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265 | dd SOCKET_set_opt ; 8 |
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266 | dd SOCKET_get_opt ; 9 |
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267 | dd SOCKET_pair ; 10 |
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268 | .number = ($ - .table) / 4 - 1 |
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269 | |||
270 | s_error: |
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3556 | hidnplayr | 271 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET: error\n" |
3545 | hidnplayr | 272 | mov dword [esp+32], -1 |
273 | |||
274 | ret |
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275 | |||
276 | ;----------------------------------------------------------------- |
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277 | ; |
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278 | ; SOCKET_open |
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279 | ; |
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280 | ; IN: domain in ecx |
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281 | ; type in edx |
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282 | ; protocol in esi |
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283 | ; OUT: eax is socket num, -1 on error |
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284 | ; |
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285 | ;----------------------------------------------------------------- |
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286 | align 4 |
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287 | SOCKET_open: |
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288 | |||
3556 | hidnplayr | 289 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 290 | |
291 | push ecx edx esi |
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292 | call SOCKET_alloc |
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293 | pop esi edx ecx |
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294 | jz s_error |
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295 | |||
296 | mov [esp+32], edi ; return socketnumber |
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3556 | hidnplayr | 297 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 298 | |
299 | ; push edx |
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300 | ; and edx, SO_NONBLOCK |
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301 | or [eax + SOCKET.options], SO_NONBLOCK ;edx |
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302 | ; pop edx |
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303 | ; and edx, not SO_NONBLOCK |
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304 | |||
305 | mov [eax + SOCKET.Domain], ecx |
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306 | mov [eax + SOCKET.Type], edx |
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307 | mov [eax + SOCKET.Protocol], esi |
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308 | |||
309 | cmp ecx, AF_INET4 |
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310 | jne .no_inet4 |
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311 | |||
312 | cmp edx, SOCK_DGRAM |
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313 | je .udp |
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314 | |||
315 | cmp edx, SOCK_STREAM |
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316 | je .tcp |
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317 | |||
318 | cmp edx, SOCK_RAW |
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319 | je .raw |
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320 | |||
321 | .no_inet4: |
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322 | cmp ecx, AF_PPP |
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323 | jne .no_ppp |
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324 | |||
325 | cmp esi, PPP_PROTO_ETHERNET |
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326 | je .pppoe |
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327 | |||
328 | .no_ppp: |
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3556 | hidnplayr | 329 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_open: Unknown socket family/protocol\n" |
3545 | hidnplayr | 330 | ret |
331 | |||
332 | align 4 |
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333 | .raw: |
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334 | test esi, esi ; IP_PROTO_IP |
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335 | jz .ip |
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336 | |||
337 | cmp esi, IP_PROTO_ICMP |
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338 | je .icmp |
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339 | |||
340 | cmp esi, IP_PROTO_UDP |
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341 | je .udp |
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342 | |||
343 | cmp esi, IP_PROTO_TCP |
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344 | je .tcp |
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345 | |||
346 | ret |
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347 | |||
348 | align 4 |
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349 | .udp: |
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350 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
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351 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
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352 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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353 | ret |
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354 | |||
355 | align 4 |
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356 | .tcp: |
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357 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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358 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
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359 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
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360 | |||
361 | TCP_init_socket eax |
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362 | ret |
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363 | |||
364 | |||
365 | align 4 |
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366 | .ip: |
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367 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
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368 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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369 | ret |
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370 | |||
371 | |||
372 | align 4 |
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373 | .icmp: |
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374 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
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375 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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376 | ret |
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377 | |||
378 | align 4 |
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379 | .pppoe: |
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380 | push eax |
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381 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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382 | pop eax |
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383 | |||
384 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
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385 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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386 | ret |
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387 | |||
388 | |||
389 | ;----------------------------------------------------------------- |
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390 | ; |
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391 | ; SOCKET_bind |
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392 | ; |
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393 | ; IN: socket number in ecx |
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394 | ; pointer to sockaddr struct in edx |
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395 | ; length of that struct in esi |
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396 | ; OUT: 0 on success |
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397 | ; |
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398 | ;----------------------------------------------------------------- |
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399 | align 4 |
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400 | SOCKET_bind: |
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401 | |||
3556 | hidnplayr | 402 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 403 | |
404 | call SOCKET_num_to_ptr |
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405 | jz s_error |
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406 | |||
407 | cmp esi, 2 |
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408 | jb s_error |
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409 | |||
410 | cmp word [edx], AF_INET4 |
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411 | je .af_inet4 |
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412 | |||
413 | cmp word [edx], AF_LOCAL |
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414 | je .af_local |
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415 | |||
416 | jmp s_error |
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417 | |||
418 | .af_local: |
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419 | ; TODO: write code here |
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420 | |||
421 | mov dword [esp+32], 0 |
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422 | ret |
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423 | |||
424 | .af_inet4: |
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425 | |||
426 | cmp esi, 6 |
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427 | jb s_error |
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428 | |||
429 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
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430 | je .udp |
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431 | |||
432 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
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433 | je .tcp |
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434 | |||
435 | jmp s_error |
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436 | |||
437 | .tcp: |
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438 | .udp: |
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439 | |||
3637 | hidnplayr | 440 | mov ebx, [edx + 4] ; First, fill in the IP |
3545 | hidnplayr | 441 | test ebx, ebx ; If IP is 0, use default |
442 | jnz @f |
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3601 | hidnplayr | 443 | mov ebx, [IP_LIST + 4] ;;;;; FIXME !i!i!i |
3545 | hidnplayr | 444 | @@: |
445 | mov [eax + IP_SOCKET.LocalIP], ebx |
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446 | |||
447 | mov bx, [edx + 2] ; Now fill in the local port if it's still available |
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448 | call SOCKET_check_port |
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449 | jz s_error ; ZF is set by socket_check_port, on error |
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450 | |||
3556 | hidnplayr | 451 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 452 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
453 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
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454 | |||
455 | mov dword [esp+32], 0 |
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456 | ret |
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457 | |||
458 | |||
459 | |||
460 | |||
461 | ;----------------------------------------------------------------- |
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462 | ; |
||
463 | ; SOCKET_connect |
||
464 | ; |
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465 | ; IN: socket number in ecx |
||
466 | ; pointer to sockaddr struct in edx |
||
467 | ; length of that struct in esi |
||
468 | ; OUT: 0 on success |
||
469 | ; |
||
470 | ;----------------------------------------------------------------- |
||
471 | align 4 |
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472 | SOCKET_connect: |
||
473 | |||
3556 | hidnplayr | 474 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 475 | |
476 | call SOCKET_num_to_ptr |
||
477 | jz s_error |
||
478 | |||
479 | cmp esi, 8 |
||
480 | jb s_error |
||
481 | |||
482 | cmp word [edx], AF_INET4 |
||
483 | je .af_inet4 |
||
484 | |||
485 | jmp s_error |
||
486 | |||
487 | .af_inet4: |
||
488 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
489 | jne @f |
||
3601 | hidnplayr | 490 | push [IP_LIST + 4] ; FIXME !i!i!i! |
3545 | hidnplayr | 491 | pop [eax + IP_SOCKET.LocalIP] |
492 | @@: |
||
493 | |||
494 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
495 | je .udp |
||
496 | |||
497 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
498 | je .tcp |
||
499 | |||
500 | cmp [eax + SOCKET.Protocol], IP_PROTO_IP |
||
501 | je .ip |
||
502 | |||
503 | cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP |
||
504 | je .ip |
||
505 | |||
506 | jmp s_error |
||
507 | |||
508 | align 4 |
||
509 | .udp: |
||
510 | pusha |
||
511 | lea ecx, [eax + SOCKET.mutex] |
||
512 | call mutex_lock |
||
513 | popa |
||
514 | |||
515 | pushw [edx + 2] |
||
516 | pop [eax + UDP_SOCKET.RemotePort] |
||
517 | |||
518 | pushd [edx + 4] |
||
519 | pop [eax + IP_SOCKET.RemoteIP] |
||
520 | |||
521 | cmp [eax + UDP_SOCKET.LocalPort], 0 |
||
522 | jne @f |
||
523 | call SOCKET_find_port |
||
524 | @@: |
||
525 | |||
526 | mov [eax + UDP_SOCKET.firstpacket], 0 |
||
527 | |||
528 | push eax |
||
529 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
530 | pop eax |
||
531 | |||
532 | lea ecx, [eax + SOCKET.mutex] |
||
533 | call mutex_unlock |
||
534 | |||
535 | mov dword [esp+32], 0 |
||
536 | ret |
||
537 | |||
538 | align 4 |
||
539 | .tcp: |
||
540 | pusha |
||
541 | lea ecx, [eax + SOCKET.mutex] |
||
542 | call mutex_lock |
||
543 | popa |
||
544 | |||
545 | pushw [edx + 2] |
||
546 | pop [eax + TCP_SOCKET.RemotePort] |
||
547 | |||
548 | pushd [edx + 4] |
||
549 | pop [eax + IP_SOCKET.RemoteIP] |
||
550 | |||
551 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
552 | jne @f |
||
553 | call SOCKET_find_port |
||
554 | @@: |
||
555 | |||
556 | mov [eax + TCP_SOCKET.timer_persist], 0 |
||
557 | mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT |
||
558 | |||
559 | push [TCP_sequence_num] |
||
560 | add [TCP_sequence_num], 6400 |
||
561 | pop [eax + TCP_SOCKET.ISS] |
||
562 | mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init |
||
563 | |||
564 | |||
565 | TCP_sendseqinit eax |
||
566 | |||
567 | ; mov [ebx + TCP_SOCKET.timer_retransmission], ;; todo: create macro to set retransmission timer |
||
568 | |||
569 | mov ebx, eax |
||
570 | |||
571 | lea eax, [ebx + STREAM_SOCKET.snd] |
||
572 | call SOCKET_ring_create |
||
573 | |||
574 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
575 | call SOCKET_ring_create |
||
576 | |||
577 | pusha |
||
578 | lea ecx, [ebx + SOCKET.mutex] |
||
579 | call mutex_unlock |
||
580 | popa |
||
581 | |||
582 | mov eax, ebx |
||
583 | call TCP_output |
||
584 | |||
585 | ;;; TODO: wait for successfull connection if blocking socket |
||
586 | |||
587 | mov dword [esp+32], 0 |
||
588 | ret |
||
589 | |||
590 | align 4 |
||
591 | .ip: |
||
592 | pusha |
||
593 | lea ecx, [eax + SOCKET.mutex] |
||
594 | call mutex_lock |
||
595 | popa |
||
596 | |||
597 | pushd [edx + 4] |
||
598 | pop [eax + IP_SOCKET.RemoteIP] |
||
599 | |||
600 | push eax |
||
601 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
602 | pop eax |
||
603 | |||
604 | lea ecx, [eax + SOCKET.mutex] |
||
605 | call mutex_unlock |
||
606 | |||
607 | mov dword [esp+32], 0 |
||
608 | ret |
||
609 | |||
610 | |||
611 | ;----------------------------------------------------------------- |
||
612 | ; |
||
613 | ; SOCKET_listen |
||
614 | ; |
||
615 | ; IN: socket number in ecx |
||
616 | ; backlog in edx |
||
617 | ; OUT: eax is socket num, -1 on error |
||
618 | ; |
||
619 | ;----------------------------------------------------------------- |
||
620 | align 4 |
||
621 | SOCKET_listen: |
||
622 | |||
3556 | hidnplayr | 623 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 624 | |
625 | call SOCKET_num_to_ptr |
||
626 | jz s_error |
||
627 | |||
628 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
629 | jne s_error |
||
630 | |||
631 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
632 | jne s_error |
||
633 | |||
634 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
635 | je s_error |
||
636 | |||
637 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
638 | jne @f |
||
3601 | hidnplayr | 639 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 640 | pop [eax + IP_SOCKET.LocalIP] |
641 | @@: |
||
642 | |||
643 | cmp edx, MAX_backlog |
||
644 | jbe @f |
||
645 | mov edx, MAX_backlog |
||
646 | @@: |
||
647 | |||
648 | mov [eax + SOCKET.backlog], dx |
||
649 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
650 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
651 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
652 | |||
653 | push eax |
||
654 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
655 | pop eax |
||
656 | |||
657 | mov dword [esp+32], 0 |
||
658 | |||
659 | ret |
||
660 | |||
661 | |||
662 | ;----------------------------------------------------------------- |
||
663 | ; |
||
664 | ; SOCKET_accept |
||
665 | ; |
||
666 | ; IN: socket number in ecx |
||
667 | ; addr in edx |
||
668 | ; addrlen in esi |
||
669 | ; OUT: eax is socket num, -1 on error |
||
670 | ; |
||
671 | ;----------------------------------------------------------------- |
||
672 | align 4 |
||
673 | SOCKET_accept: |
||
674 | |||
3556 | hidnplayr | 675 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 676 | |
677 | call SOCKET_num_to_ptr |
||
678 | jz s_error |
||
679 | |||
680 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
681 | jz s_error |
||
682 | |||
683 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
684 | jne s_error |
||
685 | |||
686 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
687 | jne s_error |
||
688 | |||
689 | .loop: |
||
690 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
691 | |||
692 | ; Ok, we got a socket ptr |
||
693 | mov eax, [esi] |
||
694 | |||
695 | ; Change thread ID to that of the current thread |
||
696 | mov ebx, [TASK_BASE] |
||
697 | mov ebx, [ebx + TASKDATA.pid] |
||
698 | mov [eax + SOCKET.TID], ebx |
||
699 | |||
700 | ; Convert it to a socket number |
||
701 | call SOCKET_ptr_to_num |
||
702 | jz s_error |
||
703 | ; and return it to caller |
||
704 | mov [esp+32], eax |
||
705 | ret |
||
706 | |||
707 | .block: |
||
708 | test [eax + SOCKET.options], SO_NONBLOCK |
||
709 | jnz s_error |
||
710 | |||
711 | call SOCKET_block |
||
712 | jmp .loop |
||
713 | |||
714 | ;----------------------------------------------------------------- |
||
715 | ; |
||
716 | ; SOCKET_close |
||
717 | ; |
||
718 | ; IN: socket number in ecx |
||
719 | ; OUT: eax is socket num, -1 on error |
||
720 | ; |
||
721 | ;----------------------------------------------------------------- |
||
722 | align 4 |
||
723 | SOCKET_close: |
||
724 | |||
3556 | hidnplayr | 725 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 726 | |
727 | call SOCKET_num_to_ptr |
||
728 | jz s_error |
||
729 | |||
730 | mov dword [esp+32], 0 ; The socket exists, so we will succeed in closing it. |
||
731 | |||
732 | .socket: |
||
733 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
734 | |||
735 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
736 | jz @f |
||
737 | call SOCKET_notify.unblock ; Unblock it. |
||
738 | @@: |
||
739 | |||
740 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
741 | jne .free |
||
742 | |||
743 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
744 | je .tcp |
||
745 | |||
746 | .free: |
||
747 | call SOCKET_free |
||
748 | ret |
||
749 | |||
750 | .tcp: |
||
751 | cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED |
||
752 | jb .free |
||
753 | |||
754 | call TCP_usrclosed |
||
755 | call TCP_output ;;;; Fixme: is this nescessary?? |
||
3646 | hidnplayr | 756 | call SOCKET_free |
3545 | hidnplayr | 757 | |
758 | ret |
||
759 | |||
760 | |||
761 | ;----------------------------------------------------------------- |
||
762 | ; |
||
763 | ; SOCKET_receive |
||
764 | ; |
||
765 | ; IN: socket number in ecx |
||
766 | ; addr to buffer in edx |
||
767 | ; length of buffer in esi |
||
768 | ; flags in edi |
||
769 | ; OUT: eax is number of bytes copied, -1 on error |
||
770 | ; |
||
771 | ;----------------------------------------------------------------- |
||
772 | align 4 |
||
773 | SOCKET_receive: |
||
774 | |||
3556 | hidnplayr | 775 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 776 | |
777 | call SOCKET_num_to_ptr |
||
778 | jz s_error |
||
779 | |||
3565 | hidnplayr | 780 | call [eax + SOCKET.rcv_proc] |
3545 | hidnplayr | 781 | |
3565 | hidnplayr | 782 | mov [esp+32], eax |
783 | ret |
||
3545 | hidnplayr | 784 | |
3565 | hidnplayr | 785 | |
3545 | hidnplayr | 786 | align 4 |
787 | SOCKET_receive_dgram: |
||
788 | |||
3556 | hidnplayr | 789 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 790 | |
791 | mov ebx, esi |
||
792 | mov edi, edx ; addr to buffer |
||
793 | |||
794 | .loop: |
||
795 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .block ; destroys esi and ecx |
||
796 | |||
797 | mov ecx, [esi + socket_queue_entry.data_size] |
||
3556 | hidnplayr | 798 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 799 | |
800 | cmp ecx, ebx |
||
801 | ja .too_small |
||
802 | |||
3565 | hidnplayr | 803 | push ecx |
3545 | hidnplayr | 804 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
805 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 806 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 807 | |
808 | ; copy the data |
||
809 | shr ecx, 1 |
||
810 | jnc .nb |
||
811 | movsb |
||
812 | .nb: |
||
813 | shr ecx, 1 |
||
814 | jnc .nw |
||
815 | movsw |
||
816 | .nw: |
||
817 | test ecx, ecx |
||
818 | jz .nd |
||
819 | rep movsd |
||
820 | .nd: |
||
821 | |||
822 | call kernel_free ; remove the packet |
||
3565 | hidnplayr | 823 | pop eax |
824 | |||
3545 | hidnplayr | 825 | ret |
826 | |||
827 | .too_small: |
||
828 | |||
3556 | hidnplayr | 829 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Buffer too small\n" |
3565 | hidnplayr | 830 | .fail: |
831 | mov eax, -1 |
||
832 | ret |
||
3545 | hidnplayr | 833 | |
834 | .block: |
||
835 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3565 | hidnplayr | 836 | jnz .fail |
3545 | hidnplayr | 837 | |
838 | call SOCKET_block |
||
839 | jmp .loop |
||
840 | |||
841 | |||
842 | align 4 |
||
843 | SOCKET_receive_local: |
||
844 | |||
845 | ; does this socket have a PID yet? |
||
846 | cmp [eax + SOCKET.PID], 0 |
||
847 | jne @f |
||
848 | |||
849 | ; Change PID to that of current process |
||
850 | mov ebx, [TASK_BASE] |
||
851 | mov ebx, [ebx + TASKDATA.pid] |
||
852 | mov [eax + SOCKET.PID], ebx |
||
853 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
854 | @@: |
||
855 | |||
856 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
857 | |||
858 | align 4 |
||
859 | SOCKET_receive_stream: |
||
860 | |||
3556 | hidnplayr | 861 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 862 | |
863 | mov ebx, edi |
||
864 | mov ecx, esi |
||
865 | mov edi, edx |
||
866 | xor edx, edx |
||
867 | |||
868 | test ebx, MSG_DONTWAIT |
||
869 | jnz .dontwait |
||
870 | .loop: |
||
871 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
||
872 | je .block |
||
873 | .dontwait: |
||
874 | test ebx, MSG_PEEK |
||
875 | jnz .peek |
||
876 | |||
877 | add eax, STREAM_SOCKET.rcv |
||
878 | call SOCKET_ring_read |
||
879 | call SOCKET_ring_free |
||
880 | |||
3565 | hidnplayr | 881 | mov eax, ecx ; return number of bytes copied |
3545 | hidnplayr | 882 | ret |
883 | |||
884 | .peek: |
||
3565 | hidnplayr | 885 | mov eax, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3545 | hidnplayr | 886 | ret |
887 | |||
888 | .block: |
||
889 | test [eax + SOCKET.options], SO_NONBLOCK |
||
890 | jnz .return0 |
||
891 | |||
892 | call SOCKET_block |
||
893 | jmp .loop |
||
894 | |||
895 | .return0: |
||
3565 | hidnplayr | 896 | test [eax + SOCKET.options], SS_CANTRCVMORE |
897 | jz .ok |
||
898 | |||
899 | xor eax, eax |
||
900 | dec eax |
||
3545 | hidnplayr | 901 | ret |
902 | |||
3565 | hidnplayr | 903 | .ok: |
904 | xor eax, eax |
||
905 | ret |
||
3545 | hidnplayr | 906 | |
3565 | hidnplayr | 907 | |
3545 | hidnplayr | 908 | ;----------------------------------------------------------------- |
909 | ; |
||
910 | ; SOCKET_send |
||
911 | ; |
||
912 | ; |
||
913 | ; IN: socket number in ecx |
||
914 | ; pointer to data in edx |
||
915 | ; datalength in esi |
||
916 | ; flags in edi |
||
917 | ; OUT: -1 on error |
||
918 | ; |
||
919 | ;----------------------------------------------------------------- |
||
920 | align 4 |
||
921 | SOCKET_send: |
||
922 | |||
3556 | hidnplayr | 923 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 924 | |
925 | call SOCKET_num_to_ptr |
||
926 | jz s_error |
||
927 | |||
928 | mov ecx, esi |
||
929 | mov esi, edx |
||
930 | |||
931 | jmp [eax + SOCKET.snd_proc] |
||
932 | |||
933 | |||
934 | align 4 |
||
935 | SOCKET_send_udp: |
||
936 | |||
3556 | hidnplayr | 937 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 938 | |
939 | mov [esp+32], ecx |
||
940 | call UDP_output |
||
941 | cmp eax, -1 |
||
942 | je s_error |
||
943 | ret |
||
944 | |||
945 | |||
946 | align 4 |
||
947 | SOCKET_send_tcp: |
||
948 | |||
3556 | hidnplayr | 949 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 950 | |
951 | push eax |
||
952 | add eax, STREAM_SOCKET.snd |
||
953 | call SOCKET_ring_write |
||
954 | pop eax |
||
955 | |||
956 | mov [esp+32], ecx |
||
957 | |||
958 | call TCP_output |
||
959 | ret |
||
960 | |||
961 | |||
962 | align 4 |
||
963 | SOCKET_send_ip: |
||
964 | |||
3556 | hidnplayr | 965 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 966 | |
967 | mov [esp+32], ecx |
||
968 | call IPv4_output_raw |
||
969 | cmp eax, -1 |
||
970 | je s_error |
||
971 | ret |
||
972 | |||
973 | |||
974 | align 4 |
||
975 | SOCKET_send_icmp: |
||
976 | |||
3556 | hidnplayr | 977 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 978 | |
979 | mov [esp+32], ecx |
||
980 | call ICMP_output_raw |
||
981 | cmp eax, -1 |
||
982 | je s_error |
||
983 | ret |
||
984 | |||
985 | |||
986 | align 4 |
||
987 | SOCKET_send_pppoe: |
||
988 | |||
3556 | hidnplayr | 989 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 990 | |
991 | mov [esp+32], ecx |
||
992 | mov ebx, [eax + SOCKET.device] |
||
993 | |||
994 | call PPPoE_discovery_output |
||
995 | cmp eax, -1 |
||
996 | je s_error |
||
997 | ret |
||
998 | |||
999 | |||
1000 | |||
1001 | align 4 |
||
1002 | SOCKET_send_local: |
||
1003 | |||
1004 | ; does this socket have a PID yet? |
||
1005 | cmp [eax + SOCKET.PID], 0 |
||
1006 | jne @f |
||
1007 | |||
1008 | ; Change PID to that of current process |
||
1009 | mov ebx, [TASK_BASE] |
||
1010 | mov ebx, [ebx + TASKDATA.pid] |
||
1011 | mov [eax + SOCKET.PID], ebx |
||
1012 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1013 | @@: |
||
1014 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1015 | |||
1016 | align 4 |
||
1017 | SOCKET_send_local_: |
||
1018 | |||
3556 | hidnplayr | 1019 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1020 | |
1021 | ; get the other side's socket and check if it still exists |
||
1022 | mov eax, [eax + SOCKET.device] |
||
1023 | call SOCKET_check |
||
1024 | jz s_error |
||
1025 | |||
1026 | ; allright, shove in the data! |
||
1027 | push eax |
||
1028 | add eax, STREAM_SOCKET.rcv |
||
1029 | call SOCKET_ring_write |
||
1030 | pop eax |
||
1031 | |||
1032 | ; return the number of written bytes (or errorcode) to application |
||
1033 | mov [esp+32], ecx |
||
1034 | |||
1035 | ; and notify the other end |
||
1036 | call SOCKET_notify |
||
1037 | |||
1038 | ret |
||
1039 | |||
1040 | |||
1041 | ;----------------------------------------------------------------- |
||
1042 | ; |
||
1043 | ; SOCKET_get_options |
||
1044 | ; |
||
1045 | ; IN: ecx = socket number |
||
1046 | ; edx = pointer to the options: |
||
1047 | ; dd level, optname, optval, optlen |
||
1048 | ; OUT: -1 on error |
||
1049 | ; |
||
1050 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
1051 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1052 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1053 | ; |
||
1054 | ;----------------------------------------------------------------- |
||
1055 | align 4 |
||
1056 | SOCKET_get_opt: |
||
1057 | |||
3556 | hidnplayr | 1058 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1059 | |
1060 | call SOCKET_num_to_ptr |
||
1061 | jz s_error |
||
1062 | |||
1063 | cmp dword [edx], IP_PROTO_TCP |
||
1064 | jne s_error |
||
1065 | cmp dword [edx+4], -2 |
||
1066 | je @f |
||
1067 | cmp dword [edx+4], -3 |
||
1068 | jne s_error |
||
1069 | @@: |
||
1070 | ; mov eax, [edx+12] |
||
1071 | ; test eax, eax |
||
1072 | ; jz .fail |
||
1073 | ; cmp dword [eax], 4 |
||
1074 | ; mov dword [eax], 4 |
||
1075 | ; jb .fail |
||
1076 | ; stdcall net_socket_num_to_addr, ecx |
||
1077 | ; test eax, eax |
||
1078 | ; jz .fail |
||
1079 | ; ; todo: check that eax is really TCP socket |
||
1080 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1081 | ; cmp dword [edx+4], -2 |
||
1082 | ; jz @f |
||
1083 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1084 | @@: |
||
1085 | mov eax, [edx+8] |
||
1086 | test eax, eax |
||
1087 | jz @f |
||
1088 | mov [eax], ecx |
||
1089 | @@: |
||
1090 | mov dword [esp+32], 0 |
||
1091 | ret |
||
1092 | |||
1093 | |||
1094 | |||
1095 | ;----------------------------------------------------------------- |
||
1096 | ; |
||
1097 | ; SOCKET_set_options |
||
1098 | ; |
||
1099 | ; IN: ecx = socket number |
||
1100 | ; edx = pointer to the options: |
||
1101 | ; dd level, optname, optlen, optval |
||
1102 | ; OUT: -1 on error |
||
1103 | ; |
||
1104 | ;----------------------------------------------------------------- |
||
1105 | align 4 |
||
1106 | SOCKET_set_opt: |
||
1107 | |||
3556 | hidnplayr | 1108 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1109 | |
1110 | call SOCKET_num_to_ptr |
||
1111 | jz s_error |
||
1112 | |||
1113 | cmp dword [edx], SOL_SOCKET |
||
1114 | jne s_error |
||
1115 | |||
1116 | cmp dword [edx+4], SO_BINDTODEVICE |
||
1117 | je .bind |
||
1118 | |||
1119 | cmp dword [edx+4], SO_BLOCK |
||
1120 | je .block |
||
1121 | |||
1122 | jmp s_error |
||
1123 | |||
1124 | .bind: |
||
1125 | cmp dword [edx+8], 0 |
||
1126 | je .unbind |
||
1127 | |||
1128 | movzx edx, byte [edx + 9] |
||
3600 | hidnplayr | 1129 | cmp edx, NET_DEVICES_MAX |
3545 | hidnplayr | 1130 | ja s_error |
1131 | |||
1132 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1133 | test edx, edx |
||
1134 | jz s_error |
||
1135 | mov [eax + SOCKET.device], edx |
||
1136 | |||
3556 | hidnplayr | 1137 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
3545 | hidnplayr | 1138 | |
1139 | mov dword [esp+32], 0 ; success! |
||
1140 | ret |
||
1141 | |||
1142 | .unbind: |
||
1143 | mov [eax + SOCKET.device], 0 |
||
1144 | |||
1145 | mov dword [esp+32], 0 ; success! |
||
1146 | ret |
||
1147 | |||
1148 | .block: |
||
1149 | cmp dword [edx+8], 0 |
||
1150 | je .unblock |
||
1151 | |||
1152 | and [eax + SOCKET.options], not SO_NONBLOCK |
||
1153 | |||
1154 | mov dword [esp+32], 0 ; success! |
||
1155 | ret |
||
1156 | |||
1157 | .unblock: |
||
1158 | or [eax + SOCKET.options], SO_NONBLOCK |
||
1159 | |||
1160 | mov dword [esp+32], 0 ; success! |
||
1161 | ret |
||
1162 | |||
1163 | |||
1164 | |||
1165 | ;----------------------------------------------------------------- |
||
1166 | ; |
||
1167 | ; SOCKET_pair |
||
1168 | ; |
||
1169 | ; Allocates a pair of linked LOCAL domain sockets |
||
1170 | ; |
||
1171 | ; IN: / |
||
1172 | ; OUT: eax is socket1 num, -1 on error |
||
1173 | ; ebx is socket2 num |
||
1174 | ; |
||
1175 | ;----------------------------------------------------------------- |
||
1176 | align 4 |
||
1177 | SOCKET_pair: |
||
1178 | |||
3556 | hidnplayr | 1179 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1180 | |
1181 | call SOCKET_alloc |
||
1182 | jz s_error |
||
1183 | mov [esp+32], edi ; application's eax |
||
1184 | |||
1185 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1186 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1187 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1188 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1189 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1190 | mov [eax + SOCKET.PID], 0 |
||
1191 | mov ebx, eax |
||
1192 | |||
1193 | call SOCKET_alloc |
||
1194 | jz .error |
||
1195 | mov [esp+24], edi ; application's ebx |
||
1196 | |||
1197 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1198 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1199 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1200 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1201 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1202 | mov [eax + SOCKET.PID], 0 |
||
1203 | |||
1204 | ; Link the two sockets to eachother |
||
1205 | mov [eax + SOCKET.device], ebx |
||
1206 | mov [ebx + SOCKET.device], eax |
||
1207 | |||
1208 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1209 | call SOCKET_ring_create |
||
1210 | |||
1211 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1212 | call SOCKET_ring_create |
||
1213 | pop eax |
||
1214 | |||
1215 | ret |
||
1216 | |||
1217 | .error: |
||
1218 | mov eax, ebx |
||
1219 | call SOCKET_free |
||
1220 | jmp s_error |
||
1221 | |||
1222 | |||
1223 | |||
1224 | ;----------------------------------------------------------------- |
||
1225 | ; |
||
1226 | ; SOCKET_debug |
||
1227 | ; |
||
1228 | ; Copies socket variables to application buffer |
||
1229 | ; |
||
1230 | ; IN: ecx = socket number |
||
1231 | ; edx = pointer to buffer |
||
1232 | ; |
||
1233 | ; OUT: -1 on error |
||
1234 | ;----------------------------------------------------------------- |
||
1235 | align 4 |
||
1236 | SOCKET_debug: |
||
1237 | |||
3556 | hidnplayr | 1238 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1239 | |
1240 | mov edi, edx |
||
1241 | |||
1242 | test ecx, ecx |
||
1243 | jz .returnall |
||
1244 | |||
1245 | call SOCKET_num_to_ptr |
||
1246 | jz s_error |
||
1247 | |||
1248 | mov esi, eax |
||
1249 | mov ecx, SOCKETBUFFSIZE/4 |
||
1250 | rep movsd |
||
1251 | |||
1252 | mov dword [esp+32], 0 |
||
1253 | ret |
||
1254 | |||
1255 | .returnall: |
||
1256 | mov ebx, net_sockets |
||
1257 | .next_socket: |
||
1258 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1259 | test ebx, ebx |
||
1260 | jz .done |
||
1261 | mov eax, [ebx + SOCKET.Number] |
||
1262 | stosd |
||
1263 | jmp .next_socket |
||
1264 | .done: |
||
1265 | xor eax, eax |
||
1266 | stosd |
||
1267 | |||
1268 | mov dword [esp+32], 0 |
||
1269 | ret |
||
1270 | |||
1271 | |||
1272 | ;----------------------------------------------------------------- |
||
1273 | ; |
||
1274 | ; SOCKET_find_port |
||
1275 | ; |
||
1276 | ; Fills in the local port number for TCP and UDP sockets |
||
1277 | ; This procedure always works because the number of sockets is |
||
1278 | ; limited to a smaller number then the number of possible ports |
||
1279 | ; |
||
1280 | ; IN: eax = socket pointer |
||
1281 | ; OUT: / |
||
1282 | ; |
||
1283 | ;----------------------------------------------------------------- |
||
1284 | align 4 |
||
1285 | SOCKET_find_port: |
||
1286 | |||
3556 | hidnplayr | 1287 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1288 | |
1289 | push ebx esi ecx |
||
1290 | |||
1291 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1292 | je .udp |
||
1293 | |||
1294 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1295 | je .tcp |
||
1296 | |||
1297 | pop ecx esi ebx |
||
1298 | ret |
||
1299 | |||
1300 | .udp: |
||
1301 | mov bx, [last_UDP_port] |
||
1302 | call .findit |
||
1303 | mov [last_UDP_port], bx |
||
1304 | |||
1305 | pop ecx esi ebx |
||
1306 | ret |
||
1307 | |||
1308 | .tcp: |
||
1309 | mov bx, [last_TCP_port] |
||
1310 | call .findit |
||
1311 | mov [last_TCP_port], bx |
||
1312 | |||
1313 | pop ecx esi ebx |
||
1314 | ret |
||
1315 | |||
1316 | |||
1317 | .restart: |
||
1318 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1319 | .findit: |
||
1320 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1321 | je .restart |
||
1322 | |||
1323 | add bh, 1 |
||
1324 | adc bl, 0 |
||
1325 | |||
1326 | call SOCKET_check_port |
||
1327 | jz .findit |
||
1328 | ret |
||
1329 | |||
1330 | |||
1331 | |||
1332 | ;----------------------------------------------------------------- |
||
1333 | ; |
||
1334 | ; SOCKET_check_port (to be used with AF_INET only!) |
||
1335 | ; |
||
1336 | ; Checks if a local port number is unused |
||
1337 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1338 | ; |
||
1339 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
||
1340 | ; bx = proposed socket number (network byte order) |
||
1341 | ; |
||
1342 | ; OUT: ZF = set on error |
||
1343 | ; |
||
1344 | ;----------------------------------------------------------------- |
||
1345 | align 4 |
||
1346 | SOCKET_check_port: |
||
1347 | |||
3556 | hidnplayr | 1348 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1349 | |
3647 | hidnplayr | 1350 | pusha |
1351 | mov ecx, socket_mutex |
||
1352 | call mutex_lock |
||
1353 | popa |
||
1354 | |||
3545 | hidnplayr | 1355 | mov ecx, [eax + SOCKET.Protocol] |
1356 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1357 | mov esi, net_sockets |
||
1358 | |||
1359 | .next_socket: |
||
1360 | mov esi, [esi + SOCKET.NextPtr] |
||
1361 | or esi, esi |
||
1362 | jz .port_ok |
||
1363 | |||
1364 | cmp [esi + SOCKET.Protocol], ecx |
||
1365 | jne .next_socket |
||
1366 | |||
1367 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1368 | jne .next_socket |
||
1369 | |||
1370 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1371 | jne .next_socket |
||
1372 | |||
3647 | hidnplayr | 1373 | pusha |
1374 | mov ecx, socket_mutex |
||
1375 | call mutex_unlock |
||
1376 | popa |
||
1377 | |||
3556 | hidnplayr | 1378 | 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 | 1379 | ret |
1380 | |||
1381 | .port_ok: |
||
3647 | hidnplayr | 1382 | pusha |
1383 | mov ecx, socket_mutex |
||
1384 | call mutex_unlock |
||
1385 | popa |
||
1386 | |||
3556 | hidnplayr | 1387 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1388 | mov [eax + UDP_SOCKET.LocalPort], bx |
1389 | or bx, bx ; clear the zero-flag |
||
1390 | ret |
||
1391 | |||
1392 | |||
1393 | |||
1394 | ;----------------------------------------------------------------- |
||
1395 | ; |
||
1396 | ; SOCKET_input |
||
1397 | ; |
||
1398 | ; Updates a (stateless) socket with received data |
||
1399 | ; |
||
1400 | ; Note: the mutex should already be set ! |
||
1401 | ; |
||
1402 | ; IN: eax = socket ptr |
||
1403 | ; ecx = data size |
||
1404 | ; esi = ptr to data |
||
1405 | ; [esp] = ptr to buf |
||
1406 | ; [esp + 4] = buf size |
||
1407 | ; |
||
1408 | ; OUT: / |
||
1409 | ; |
||
1410 | ;----------------------------------------------------------------- |
||
1411 | align 4 |
||
1412 | SOCKET_input: |
||
1413 | |||
3556 | hidnplayr | 1414 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1415 | |
1416 | mov [esp+4], ecx |
||
1417 | push esi |
||
1418 | mov esi, esp |
||
1419 | |||
1420 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1421 | |||
3556 | hidnplayr | 1422 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1423 | add esp, sizeof.socket_queue_entry |
1424 | |||
1425 | pusha |
||
1426 | lea ecx, [eax + SOCKET.mutex] |
||
1427 | call mutex_unlock |
||
1428 | popa |
||
1429 | |||
1430 | jmp SOCKET_notify |
||
1431 | |||
1432 | .full: |
||
3556 | hidnplayr | 1433 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1434 | |
1435 | pusha |
||
1436 | lea ecx, [eax + SOCKET.mutex] |
||
1437 | call mutex_unlock |
||
1438 | popa |
||
1439 | |||
1440 | call kernel_free |
||
1441 | add esp, 8 |
||
1442 | |||
1443 | ret |
||
1444 | |||
1445 | |||
1446 | ;-------------------------- |
||
1447 | ; |
||
1448 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1449 | ; |
||
1450 | align 4 |
||
1451 | SOCKET_ring_create: |
||
1452 | |||
1453 | push esi |
||
1454 | mov esi, eax |
||
1455 | |||
1456 | push edx |
||
1457 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1458 | pop edx |
||
1459 | |||
3556 | hidnplayr | 1460 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_created: %x\n", eax |
3545 | hidnplayr | 1461 | |
1462 | pusha |
||
1463 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1464 | call mutex_init |
||
1465 | popa |
||
1466 | |||
1467 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1468 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1469 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1470 | mov [esi + RING_BUFFER.size], 0 |
||
1471 | add eax, SOCKET_MAXDATA |
||
1472 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1473 | mov eax, esi |
||
1474 | pop esi |
||
1475 | |||
1476 | ret |
||
1477 | |||
1478 | ;----------------------------------------------------------------- |
||
1479 | ; |
||
1480 | ; SOCKET_ring_write |
||
1481 | ; |
||
1482 | ; Adds data to a stream socket, and updates write pointer and size |
||
1483 | ; |
||
1484 | ; IN: eax = ptr to ring struct |
||
1485 | ; ecx = data size |
||
1486 | ; esi = ptr to data |
||
1487 | ; |
||
1488 | ; OUT: ecx = number of bytes stored |
||
1489 | ; |
||
1490 | ;----------------------------------------------------------------- |
||
1491 | align 4 |
||
1492 | SOCKET_ring_write: |
||
1493 | |||
3556 | hidnplayr | 1494 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1495 | |
1496 | ; lock mutex |
||
1497 | pusha |
||
1498 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1499 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1500 | popa |
||
1501 | |||
1502 | ; calculate available size |
||
1503 | mov edi, SOCKET_MAXDATA |
||
1504 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1505 | cmp ecx, edi |
||
1506 | jbe .copy |
||
1507 | mov ecx, edi |
||
1508 | .copy: |
||
1509 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1510 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1511 | |
1512 | ; update write ptr |
||
1513 | push edi |
||
1514 | add edi, ecx |
||
1515 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1516 | jb @f |
||
1517 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1518 | @@: |
||
1519 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1520 | pop edi |
||
1521 | |||
1522 | ; update size |
||
1523 | add [eax + RING_BUFFER.size], ecx |
||
1524 | |||
1525 | ; copy the data |
||
1526 | push ecx |
||
1527 | shr ecx, 1 |
||
1528 | jnc .nb |
||
1529 | movsb |
||
1530 | .nb: |
||
1531 | shr ecx, 1 |
||
1532 | jnc .nw |
||
1533 | movsw |
||
1534 | .nw: |
||
1535 | test ecx, ecx |
||
1536 | jz .nd |
||
1537 | rep movsd |
||
1538 | .nd: |
||
1539 | pop ecx |
||
1540 | |||
1541 | ; unlock mutex |
||
1542 | push eax ecx |
||
1543 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1544 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1545 | pop ecx eax |
||
1546 | |||
1547 | ret |
||
1548 | |||
1549 | ;----------------------------------------------------------------- |
||
1550 | ; |
||
1551 | ; SOCKET_ring_read |
||
1552 | ; |
||
1553 | ; IN: eax = ring struct ptr |
||
1554 | ; ecx = bytes to read |
||
1555 | ; edx = offset |
||
1556 | ; edi = ptr to buffer start |
||
1557 | ; |
||
1558 | ; OUT: eax = unchanged |
||
1559 | ; ecx = number of bytes read (0 on error) |
||
1560 | ; edx = destroyed |
||
1561 | ; esi = destroyed |
||
1562 | ; edi = ptr to buffer end |
||
1563 | ; |
||
1564 | ;----------------------------------------------------------------- |
||
1565 | align 4 |
||
1566 | SOCKET_ring_read: |
||
1567 | |||
3556 | hidnplayr | 1568 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1569 | |
1570 | pusha |
||
1571 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1572 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1573 | popa |
||
1574 | |||
1575 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1576 | add esi, edx ; esi = start_ptr + offset |
||
1577 | |||
1578 | neg edx |
||
1579 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1580 | jle .no_data_at_all |
||
1581 | |||
1582 | pusha |
||
1583 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1584 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1585 | popa |
||
1586 | |||
1587 | cmp ecx, edx |
||
1588 | ja .less_data |
||
1589 | |||
1590 | .copy: |
||
3556 | hidnplayr | 1591 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1592 | push ecx |
1593 | shr ecx, 1 |
||
1594 | jnc .nb |
||
1595 | movsb |
||
1596 | .nb: |
||
1597 | shr ecx, 1 |
||
1598 | jnc .nw |
||
1599 | movsw |
||
1600 | .nw: |
||
1601 | test ecx, ecx |
||
1602 | jz .nd |
||
1603 | rep movsd |
||
1604 | .nd: |
||
1605 | pop ecx |
||
1606 | ret |
||
1607 | |||
1608 | .no_data_at_all: |
||
1609 | pusha |
||
1610 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1611 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1612 | popa |
||
1613 | |||
3556 | hidnplayr | 1614 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1615 | xor ecx, ecx |
1616 | ret |
||
1617 | |||
1618 | .less_data: |
||
1619 | mov ecx, edx |
||
1620 | jmp .copy |
||
1621 | |||
1622 | |||
1623 | ;----------------------------------------------------------------- |
||
1624 | ; |
||
1625 | ; SOCKET_ring_free |
||
1626 | ; |
||
1627 | ; Free's some bytes from the ringbuffer |
||
1628 | ; |
||
1629 | ; IN: eax = ptr to ring struct |
||
1630 | ; ecx = data size |
||
1631 | ; |
||
1632 | ; OUT: ecx = number of bytes free-ed |
||
1633 | ; |
||
1634 | ;----------------------------------------------------------------- |
||
1635 | align 4 |
||
1636 | SOCKET_ring_free: |
||
1637 | |||
3556 | hidnplayr | 1638 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1639 | |
1640 | push eax ecx |
||
1641 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1642 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1643 | pop ecx eax |
||
1644 | |||
1645 | sub [eax + RING_BUFFER.size], ecx |
||
1646 | jb .error |
||
1647 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1648 | |||
1649 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1650 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1651 | jb @f |
||
1652 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1653 | @@: |
||
1654 | |||
1655 | push eax ecx |
||
1656 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1657 | call mutex_unlock |
||
1658 | pop ecx eax |
||
1659 | |||
1660 | ret |
||
1661 | |||
1662 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1663 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1664 | add [eax + RING_BUFFER.size], ecx |
1665 | |||
1666 | push eax |
||
1667 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1668 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1669 | pop eax |
||
1670 | |||
1671 | xor ecx, ecx |
||
1672 | ret |
||
1673 | |||
1674 | |||
1675 | ;----------------------------------------------------------------- |
||
1676 | ; |
||
1677 | ; SOCKET_block |
||
1678 | ; |
||
1679 | ; Suspends the thread attached to a socket |
||
1680 | ; |
||
1681 | ; IN: eax = socket ptr |
||
1682 | ; OUT: / |
||
1683 | ; |
||
1684 | ;----------------------------------------------------------------- |
||
1685 | align 4 |
||
1686 | SOCKET_block: |
||
1687 | |||
3556 | hidnplayr | 1688 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1689 | |
1690 | pushf |
||
1691 | cli |
||
1692 | |||
1693 | ; Set the 'socket is blocked' flag |
||
1694 | or [eax + SOCKET.state], SS_BLOCKED |
||
1695 | |||
1696 | ; Suspend the thread |
||
1697 | push edx |
||
1698 | mov edx, [TASK_BASE] |
||
1699 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1700 | |||
1701 | ; Remember the thread ID so we can wake it up again |
||
1702 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1703 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1704 | mov [eax + SOCKET.TID], edx |
1705 | pop edx |
||
1706 | |||
1707 | call change_task |
||
1708 | popf |
||
1709 | |||
3556 | hidnplayr | 1710 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continueing\n" |
3545 | hidnplayr | 1711 | |
1712 | ret |
||
1713 | |||
1714 | |||
1715 | ;----------------------------------------------------------------- |
||
1716 | ; |
||
1717 | ; SOCKET_notify |
||
1718 | ; |
||
1719 | ; notify's the owner of a socket that something happened |
||
1720 | ; |
||
1721 | ; IN: eax = socket ptr |
||
1722 | ; OUT: / |
||
1723 | ; |
||
1724 | ;----------------------------------------------------------------- |
||
1725 | align 4 |
||
1726 | SOCKET_notify: |
||
1727 | |||
3556 | hidnplayr | 1728 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1729 | |
1730 | call SOCKET_check |
||
1731 | jz .error |
||
1732 | |||
1733 | test [eax + SOCKET.state], SS_BLOCKED |
||
1734 | jnz .unblock |
||
1735 | |||
1736 | test [eax + SOCKET.options], SO_NONBLOCK |
||
1737 | jz .error |
||
1738 | |||
1739 | push eax ecx esi |
||
1740 | |||
1741 | ; socket exists and is of non blocking type. |
||
1742 | ; We'll try to flag an event to the thread |
||
1743 | |||
1744 | mov eax, [eax + SOCKET.TID] |
||
1745 | test eax, eax |
||
1746 | jz .done |
||
1747 | mov ecx, 1 |
||
1748 | mov esi, TASK_DATA + TASKDATA.pid |
||
1749 | |||
1750 | .next_pid: |
||
1751 | cmp [esi], eax |
||
1752 | je .found_pid |
||
1753 | inc ecx |
||
1754 | add esi, 0x20 |
||
1755 | cmp ecx, [TASK_COUNT] |
||
1756 | jbe .next_pid |
||
1757 | ; PID not found, TODO: close socket! |
||
1758 | jmp .done |
||
1759 | |||
1760 | .found_pid: |
||
1761 | shl ecx, 8 |
||
1762 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1763 | |||
3556 | hidnplayr | 1764 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Raised a network event!\n" |
3545 | hidnplayr | 1765 | |
1766 | jmp .done |
||
1767 | |||
1768 | .unblock: |
||
1769 | push eax ecx esi |
||
1770 | ; Clear the 'socket is blocked' flag |
||
1771 | and [eax + SOCKET.state], not SS_BLOCKED |
||
1772 | |||
1773 | ; Find the thread's TASK_DATA |
||
1774 | mov eax, [eax + SOCKET.TID] |
||
1775 | test eax, eax |
||
1776 | jz .error |
||
1777 | xor ecx, ecx |
||
1778 | inc ecx |
||
1779 | mov esi, TASK_DATA |
||
1780 | .next: |
||
1781 | cmp [esi + TASKDATA.pid], eax |
||
1782 | je .found |
||
1783 | inc ecx |
||
1784 | add esi, 0x20 |
||
1785 | cmp ecx, [TASK_COUNT] |
||
1786 | jbe .next |
||
1787 | jmp .error |
||
1788 | .found: |
||
1789 | |||
1790 | ; Run the thread |
||
1791 | mov [esi + TASKDATA.state], 0 ; Running |
||
3556 | hidnplayr | 1792 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
3545 | hidnplayr | 1793 | |
1794 | .done: |
||
1795 | pop esi ecx eax |
||
1796 | |||
1797 | .error: |
||
1798 | ret |
||
1799 | |||
1800 | |||
1801 | ;-------------------------------------------------------------------- |
||
1802 | ; |
||
1803 | ; SOCKET_alloc |
||
1804 | ; |
||
1805 | ; Allocate memory for socket data and put new socket into the list |
||
1806 | ; Newly created socket is initialized with calling PID and number and |
||
1807 | ; put into beginning of list (which is a fastest way). |
||
1808 | ; |
||
1809 | ; IN: / |
||
1810 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1811 | ; edi = socket number |
||
1812 | ; ZF = cleared on error |
||
1813 | ; |
||
1814 | ;-------------------------------------------------------------------- |
||
1815 | align 4 |
||
1816 | SOCKET_alloc: |
||
1817 | |||
1818 | push ebx |
||
1819 | |||
1820 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
3556 | hidnplayr | 1821 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1822 | or eax, eax |
1823 | jz .exit |
||
1824 | |||
1825 | ; zero-initialize allocated memory |
||
1826 | push eax |
||
1827 | mov edi, eax |
||
1828 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1829 | xor eax, eax |
||
1830 | rep stosd |
||
1831 | pop eax |
||
1832 | |||
1833 | ; set send-and receive procedures to return -1 |
||
1834 | mov [eax + SOCKET.snd_proc], s_error |
||
1835 | mov [eax + SOCKET.rcv_proc], s_error |
||
1836 | |||
3647 | hidnplayr | 1837 | pusha |
1838 | mov ecx, socket_mutex |
||
1839 | call mutex_lock |
||
1840 | popa |
||
1841 | |||
3545 | hidnplayr | 1842 | ; find first free socket number and use it |
1843 | mov edi, [last_socket_num] |
||
1844 | .next_socket_number: |
||
1845 | inc edi |
||
1846 | jz .next_socket_number ; avoid socket nr 0 |
||
1847 | cmp edi, -1 |
||
1848 | je .next_socket_number ; avoid socket nr -1 |
||
1849 | mov ebx, net_sockets |
||
1850 | .next_socket: |
||
1851 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1852 | test ebx, ebx |
||
1853 | jz .last_socket |
||
1854 | |||
1855 | cmp [ebx + SOCKET.Number], edi |
||
1856 | jne .next_socket |
||
1857 | jmp .next_socket_number |
||
1858 | |||
1859 | .last_socket: |
||
1860 | mov [last_socket_num], edi |
||
1861 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1862 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1863 | |
1864 | ; Fill in PID |
||
1865 | mov ebx, [TASK_BASE] |
||
1866 | mov ebx, [ebx + TASKDATA.pid] |
||
1867 | mov [eax + SOCKET.PID], ebx |
||
1868 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1869 | |||
1870 | ; init mutex |
||
1871 | pusha |
||
1872 | lea ecx, [eax + SOCKET.mutex] |
||
1873 | call mutex_init |
||
1874 | popa |
||
1875 | |||
1876 | ; add socket to the list by re-arranging some pointers |
||
1877 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
1878 | |||
1879 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
1880 | mov [eax + SOCKET.NextPtr], ebx |
||
1881 | |||
1882 | test ebx, ebx |
||
1883 | jz @f |
||
1884 | |||
1885 | pusha |
||
1886 | lea ecx, [ebx + SOCKET.mutex] |
||
1887 | call mutex_lock |
||
1888 | popa |
||
1889 | |||
1890 | mov [ebx + SOCKET.PrevPtr], eax |
||
1891 | |||
1892 | pusha |
||
1893 | lea ecx, [ebx + SOCKET.mutex] |
||
1894 | call mutex_unlock |
||
1895 | popa |
||
1896 | @@: |
||
1897 | |||
1898 | mov [net_sockets + SOCKET.NextPtr], eax |
||
1899 | or eax, eax ; used to clear zero flag |
||
3647 | hidnplayr | 1900 | |
1901 | pusha |
||
1902 | mov ecx, socket_mutex |
||
1903 | call mutex_unlock |
||
1904 | popa |
||
1905 | |||
3545 | hidnplayr | 1906 | .exit: |
1907 | pop ebx |
||
1908 | |||
1909 | ret |
||
1910 | |||
1911 | |||
1912 | ;---------------------------------------------------- |
||
1913 | ; |
||
1914 | ; SOCKET_free |
||
1915 | ; |
||
1916 | ; Free socket data memory and remove socket from the list |
||
1917 | ; |
||
1918 | ; IN: eax = socket ptr |
||
1919 | ; OUT: / |
||
1920 | ; |
||
1921 | ;---------------------------------------------------- |
||
1922 | align 4 |
||
1923 | SOCKET_free: |
||
1924 | |||
3556 | hidnplayr | 1925 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 1926 | |
1927 | call SOCKET_check |
||
1928 | jz .error |
||
1929 | |||
1930 | push ebx |
||
1931 | |||
1932 | pusha |
||
3647 | hidnplayr | 1933 | mov ecx, socket_mutex |
1934 | call mutex_lock |
||
1935 | popa |
||
1936 | |||
1937 | pusha |
||
3545 | hidnplayr | 1938 | lea ecx, [eax + SOCKET.mutex] |
1939 | call mutex_lock |
||
1940 | popa |
||
1941 | |||
1942 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
1943 | jnz .no_tcp |
||
1944 | |||
1945 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1946 | jnz .no_tcp |
||
1947 | |||
1948 | mov ebx, eax |
||
1949 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
1950 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
1951 | mov eax, ebx |
||
1952 | .no_tcp: |
||
1953 | |||
1954 | push eax ; this will be passed to kernel_free |
||
1955 | mov ebx, [eax + SOCKET.NextPtr] |
||
1956 | mov eax, [eax + SOCKET.PrevPtr] |
||
1957 | |||
3556 | hidnplayr | 1958 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 1959 | |
1960 | test eax, eax |
||
1961 | jz @f |
||
1962 | mov [eax + SOCKET.NextPtr], ebx |
||
1963 | @@: |
||
1964 | |||
1965 | test ebx, ebx |
||
1966 | jz @f |
||
1967 | mov [ebx + SOCKET.PrevPtr], eax |
||
1968 | @@: |
||
1969 | |||
1970 | call kernel_free |
||
1971 | pop ebx |
||
1972 | |||
3647 | hidnplayr | 1973 | pusha |
1974 | mov ecx, socket_mutex |
||
1975 | call mutex_unlock |
||
1976 | popa |
||
1977 | |||
3556 | hidnplayr | 1978 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
3545 | hidnplayr | 1979 | |
1980 | .error: |
||
1981 | ret |
||
1982 | |||
1983 | ;------------------------------------ |
||
1984 | ; |
||
1985 | ; SOCKET_fork |
||
1986 | ; |
||
1987 | ; Create a child socket |
||
1988 | ; |
||
1989 | ; IN: socket nr in ebx |
||
1990 | ; OUT: child socket nr in eax |
||
1991 | ; |
||
1992 | ;----------------------------------- |
||
1993 | align 4 |
||
1994 | SOCKET_fork: |
||
1995 | |||
3556 | hidnplayr | 1996 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 1997 | |
1998 | ; Exit if backlog queue is full |
||
1999 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2000 | cmp ax, [ebx + SOCKET.backlog] |
||
2001 | jae .fail |
||
2002 | |||
2003 | ; Allocate new socket |
||
2004 | push ebx |
||
2005 | call SOCKET_alloc |
||
2006 | pop ebx |
||
2007 | jz .fail |
||
2008 | |||
2009 | push eax |
||
2010 | mov esi, esp |
||
2011 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2012 | pop eax |
||
2013 | |||
2014 | ; Copy structure from current socket to new |
||
2015 | ; We start at PID to preserve the socket num, and the 2 pointers at beginning of socket |
||
2016 | lea esi, [ebx + SOCKET.PID] |
||
2017 | lea edi, [eax + SOCKET.PID] |
||
2018 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
2019 | rep movsd |
||
2020 | |||
2021 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2022 | |||
2023 | ret |
||
2024 | |||
2025 | .fail2: |
||
2026 | add esp, 4+4+4 |
||
2027 | .fail: |
||
3556 | hidnplayr | 2028 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2029 | xor eax, eax |
2030 | ret |
||
2031 | |||
2032 | |||
2033 | ;--------------------------------------------------- |
||
2034 | ; |
||
2035 | ; SOCKET_num_to_ptr |
||
2036 | ; |
||
2037 | ; Get socket structure address by its number |
||
2038 | ; |
||
2039 | ; IN: ecx = socket number |
||
2040 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
2041 | ; ZF = set on error |
||
2042 | ; |
||
2043 | ;--------------------------------------------------- |
||
2044 | align 4 |
||
2045 | SOCKET_num_to_ptr: |
||
2046 | |||
3556 | hidnplayr | 2047 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2048 | |
3647 | hidnplayr | 2049 | pusha |
2050 | mov ecx, socket_mutex |
||
2051 | call mutex_lock |
||
2052 | popa |
||
2053 | |||
3545 | hidnplayr | 2054 | mov eax, net_sockets |
2055 | |||
2056 | .next_socket: |
||
2057 | mov eax, [eax + SOCKET.NextPtr] |
||
2058 | or eax, eax |
||
2059 | jz .error |
||
2060 | cmp [eax + SOCKET.Number], ecx |
||
2061 | jne .next_socket |
||
2062 | |||
2063 | test eax, eax |
||
2064 | |||
3647 | hidnplayr | 2065 | pusha |
2066 | mov ecx, socket_mutex |
||
2067 | call mutex_unlock |
||
2068 | popa |
||
2069 | |||
3556 | hidnplayr | 2070 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2071 | ret |
2072 | |||
2073 | .error: |
||
3647 | hidnplayr | 2074 | pusha |
2075 | mov ecx, socket_mutex |
||
2076 | call mutex_unlock |
||
2077 | popa |
||
2078 | |||
3637 | hidnplayr | 2079 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: not found\n", eax |
3545 | hidnplayr | 2080 | ret |
2081 | |||
2082 | |||
2083 | ;--------------------------------------------------- |
||
2084 | ; |
||
2085 | ; SOCKET_ptr_to_num |
||
2086 | ; |
||
2087 | ; Get socket number by its address |
||
2088 | ; |
||
2089 | ; IN: eax = socket ptr |
||
2090 | ; OUT: eax = 0 on error, socket num otherwise |
||
2091 | ; ZF = set on error |
||
2092 | ; |
||
2093 | ;--------------------------------------------------- |
||
2094 | align 4 |
||
2095 | SOCKET_ptr_to_num: |
||
2096 | |||
3556 | hidnplayr | 2097 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2098 | |
2099 | call SOCKET_check |
||
2100 | jz .error |
||
2101 | |||
2102 | mov eax, [eax + SOCKET.Number] |
||
2103 | |||
3556 | hidnplayr | 2104 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2105 | ret |
2106 | |||
2107 | .error: |
||
3556 | hidnplayr | 2108 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2109 | ret |
2110 | |||
2111 | |||
2112 | ;--------------------------------------------------- |
||
2113 | ; |
||
2114 | ; SOCKET_check |
||
2115 | ; |
||
2116 | ; checks if the given value is really a socket ptr |
||
2117 | ; |
||
2118 | ; IN: eax = socket ptr |
||
2119 | ; OUT: eax = 0 on error, unchanged otherwise |
||
2120 | ; ZF = set on error |
||
2121 | ; |
||
2122 | ;--------------------------------------------------- |
||
2123 | align 4 |
||
2124 | SOCKET_check: |
||
2125 | |||
3556 | hidnplayr | 2126 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2127 | |
3647 | hidnplayr | 2128 | pusha |
2129 | mov ecx, socket_mutex |
||
2130 | call mutex_lock |
||
2131 | popa |
||
2132 | |||
3545 | hidnplayr | 2133 | push ebx |
2134 | mov ebx, net_sockets |
||
2135 | |||
2136 | .next_socket: |
||
2137 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2138 | or ebx, ebx |
||
2139 | jz .done |
||
2140 | cmp ebx, eax |
||
2141 | jnz .next_socket |
||
2142 | |||
2143 | .done: |
||
2144 | mov eax, ebx |
||
2145 | test eax, eax |
||
2146 | pop ebx |
||
2147 | |||
3647 | hidnplayr | 2148 | pusha |
2149 | mov ecx, socket_mutex |
||
2150 | call mutex_unlock |
||
2151 | popa |
||
2152 | |||
3545 | hidnplayr | 2153 | ret |
2154 | |||
2155 | |||
2156 | |||
2157 | ;--------------------------------------------------- |
||
2158 | ; |
||
2159 | ; SOCKET_check_owner |
||
2160 | ; |
||
2161 | ; checks if the caller application owns the socket |
||
2162 | ; |
||
2163 | ; IN: eax = socket ptr |
||
2164 | ; OUT: ZF = true/false |
||
2165 | ; |
||
2166 | ;--------------------------------------------------- |
||
2167 | align 4 |
||
2168 | SOCKET_check_owner: |
||
2169 | |||
3556 | hidnplayr | 2170 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2171 | |
2172 | push ebx |
||
2173 | mov ebx, [TASK_BASE] |
||
2174 | mov ebx, [ebx + TASKDATA.pid] |
||
2175 | cmp [eax + SOCKET.PID], ebx |
||
2176 | pop ebx |
||
2177 | |||
2178 | ret |
||
2179 | |||
2180 | |||
2181 | |||
2182 | |||
2183 | ;------------------------------------------------------ |
||
2184 | ; |
||
2185 | ; SOCKET_process_end |
||
2186 | ; |
||
2187 | ; Kernel calls this function when a certain process ends |
||
2188 | ; This function will check if the process had any open sockets |
||
2189 | ; And update them accordingly |
||
2190 | ; |
||
2191 | ; IN: edx = pid |
||
2192 | ; OUT: / |
||
2193 | ; |
||
2194 | ;------------------------------------------------------ |
||
2195 | align 4 |
||
2196 | SOCKET_process_end: |
||
2197 | |||
3648 | hidnplayr | 2198 | pushf |
2199 | cli ; FIXME |
||
2200 | |||
3556 | hidnplayr | 2201 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2202 | |
3647 | hidnplayr | 2203 | pusha |
2204 | mov ecx, socket_mutex |
||
2205 | call mutex_lock |
||
2206 | popa |
||
2207 | |||
3545 | hidnplayr | 2208 | push ebx |
2209 | mov ebx, net_sockets |
||
2210 | |||
2211 | .next_socket: |
||
2212 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2213 | .next_socket_test: |
||
2214 | test ebx, ebx |
||
2215 | jz .done |
||
2216 | |||
2217 | cmp [ebx + SOCKET.PID], edx |
||
2218 | jne .next_socket |
||
2219 | |||
3556 | hidnplayr | 2220 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2221 | |
2222 | mov [ebx + SOCKET.PID], 0 |
||
2223 | mov eax, ebx |
||
2224 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2225 | |
3545 | hidnplayr | 2226 | pusha |
3648 | hidnplayr | 2227 | mov ecx, socket_mutex |
2228 | call mutex_unlock |
||
2229 | popa |
||
2230 | |||
2231 | pusha |
||
3545 | hidnplayr | 2232 | call SOCKET_close.socket |
2233 | popa |
||
3648 | hidnplayr | 2234 | |
2235 | pusha |
||
2236 | mov ecx, socket_mutex |
||
2237 | call mutex_lock |
||
2238 | popa |
||
2239 | |||
3545 | hidnplayr | 2240 | jmp .next_socket_test |
2241 | |||
2242 | .done: |
||
2243 | pop ebx |
||
2244 | |||
3647 | hidnplayr | 2245 | pusha |
2246 | mov ecx, socket_mutex |
||
2247 | call mutex_unlock |
||
2248 | popa |
||
2249 | |||
3648 | hidnplayr | 2250 | popf |
2251 | |||
3545 | hidnplayr | 2252 | ret |
2253 | |||
2254 | |||
2255 | |||
2256 | |||
2257 | ;----------------------------------------------------------------- |
||
2258 | ; |
||
2259 | ; SOCKET_is_connecting |
||
2260 | ; |
||
2261 | ; IN: eax = socket ptr |
||
2262 | ; OUT: / |
||
2263 | ; |
||
2264 | ;----------------------------------------------------------------- |
||
2265 | |||
2266 | align 4 |
||
2267 | SOCKET_is_connecting: |
||
2268 | |||
3556 | hidnplayr | 2269 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2270 | |
2271 | and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
||
2272 | or [eax + SOCKET.options], SS_ISCONNECTING |
||
2273 | |||
2274 | jmp SOCKET_notify |
||
2275 | |||
2276 | |||
2277 | |||
2278 | ;----------------------------------------------------------------- |
||
2279 | ; |
||
2280 | ; SOCKET_is_connected |
||
2281 | ; |
||
2282 | ; IN: eax = socket ptr |
||
2283 | ; OUT: / |
||
2284 | ; |
||
2285 | ;----------------------------------------------------------------- |
||
2286 | |||
2287 | align 4 |
||
2288 | SOCKET_is_connected: |
||
2289 | |||
3556 | hidnplayr | 2290 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2291 | |
2292 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
||
2293 | or [eax + SOCKET.options], SS_ISCONNECTED |
||
2294 | |||
2295 | jmp SOCKET_notify |
||
2296 | |||
2297 | |||
2298 | |||
2299 | |||
2300 | ;----------------------------------------------------------------- |
||
2301 | ; |
||
2302 | ; SOCKET_is_disconnecting |
||
2303 | ; |
||
2304 | ; IN: eax = socket ptr |
||
2305 | ; OUT: / |
||
2306 | ; |
||
2307 | ;----------------------------------------------------------------- |
||
2308 | |||
2309 | align 4 |
||
2310 | SOCKET_is_disconnecting: |
||
2311 | |||
3556 | hidnplayr | 2312 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2313 | |
2314 | and [eax + SOCKET.options], not (SS_ISCONNECTING) |
||
2315 | or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
2316 | |||
2317 | jmp SOCKET_notify |
||
2318 | |||
2319 | |||
2320 | |||
2321 | ;----------------------------------------------------------------- |
||
2322 | ; |
||
2323 | ; SOCKET_is_disconnected |
||
2324 | ; |
||
2325 | ; IN: eax = socket ptr |
||
2326 | ; OUT: / |
||
2327 | ; |
||
2328 | ;----------------------------------------------------------------- |
||
2329 | |||
2330 | align 4 |
||
2331 | SOCKET_is_disconnected: |
||
2332 | |||
3556 | hidnplayr | 2333 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2334 | |
2335 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
||
2336 | or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
2337 | |||
2338 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2339 | je .tcp |
||
2340 | |||
2341 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
2342 | je .udp |
||
2343 | |||
2344 | jmp SOCKET_notify |
||
2345 | |||
2346 | .tcp: |
||
2347 | .udp: |
||
2348 | mov [eax + UDP_SOCKET.LocalPort], 0 ; UDP and TCP structs store localport at the same offset |
||
2349 | mov [eax + UDP_SOCKET.RemotePort], 0 |
||
2350 | |||
2351 | jmp SOCKET_notify |
||
2352 | |||
2353 | |||
2354 | ;----------------------------------------------------------------- |
||
2355 | ; |
||
2356 | ; SOCKET_cant_recv_more |
||
2357 | ; |
||
2358 | ; IN: eax = socket ptr |
||
2359 | ; OUT: / |
||
2360 | ; |
||
2361 | ;----------------------------------------------------------------- |
||
2362 | |||
2363 | align 4 |
||
2364 | SOCKET_cant_recv_more: |
||
2365 | |||
3556 | hidnplayr | 2366 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2367 | |
2368 | or [eax + SOCKET.options], SS_CANTRCVMORE |
||
2369 | |||
3565 | hidnplayr | 2370 | call SOCKET_notify |
2371 | |||
3545 | hidnplayr | 2372 | ret |
2373 | |||
2374 | |||
2375 | |||
2376 | ;----------------------------------------------------------------- |
||
2377 | ; |
||
2378 | ; SOCKET_cant_send_more |
||
2379 | ; |
||
2380 | ; IN: eax = socket ptr |
||
2381 | ; OUT: / |
||
2382 | ; |
||
2383 | ;----------------------------------------------------------------- |
||
2384 | |||
2385 | align 4 |
||
2386 | SOCKET_cant_send_more: |
||
2387 | |||
3556 | hidnplayr | 2388 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2389 | |
2390 | or [eax + SOCKET.options], SS_CANTSENDMORE |
||
3565 | hidnplayr | 2391 | mov [eax + SOCKET.snd_proc], s_error |
3545 | hidnplayr | 2392 | |
3565 | hidnplayr | 2393 | call SOCKET_notify |
2394 | |||
3545 | hidnplayr | 2395 | ret |