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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 |
||
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 |
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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 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
733 | |||
734 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
735 | jz @f |
||
736 | call SOCKET_notify.unblock ; Unblock it. |
||
737 | @@: |
||
738 | |||
739 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
740 | jne .free |
||
741 | |||
742 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
743 | je .tcp |
||
744 | |||
745 | .free: |
||
746 | call SOCKET_free |
||
747 | ret |
||
748 | |||
749 | .tcp: |
||
750 | cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED |
||
751 | jb .free |
||
752 | |||
753 | call TCP_usrclosed |
||
754 | call TCP_output ;;;; Fixme: is this nescessary?? |
||
3646 | hidnplayr | 755 | call SOCKET_free |
3545 | hidnplayr | 756 | |
757 | ret |
||
758 | |||
759 | |||
760 | ;----------------------------------------------------------------- |
||
761 | ; |
||
762 | ; SOCKET_receive |
||
763 | ; |
||
764 | ; IN: socket number in ecx |
||
765 | ; addr to buffer in edx |
||
766 | ; length of buffer in esi |
||
767 | ; flags in edi |
||
768 | ; OUT: eax is number of bytes copied, -1 on error |
||
769 | ; |
||
770 | ;----------------------------------------------------------------- |
||
771 | align 4 |
||
772 | SOCKET_receive: |
||
773 | |||
3556 | hidnplayr | 774 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 775 | |
776 | call SOCKET_num_to_ptr |
||
777 | jz s_error |
||
778 | |||
3565 | hidnplayr | 779 | call [eax + SOCKET.rcv_proc] |
3545 | hidnplayr | 780 | |
3565 | hidnplayr | 781 | mov [esp+32], eax |
782 | ret |
||
3545 | hidnplayr | 783 | |
3565 | hidnplayr | 784 | |
3545 | hidnplayr | 785 | align 4 |
786 | SOCKET_receive_dgram: |
||
787 | |||
3556 | hidnplayr | 788 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 789 | |
790 | mov ebx, esi |
||
791 | mov edi, edx ; addr to buffer |
||
792 | |||
793 | .loop: |
||
794 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .block ; destroys esi and ecx |
||
795 | |||
796 | mov ecx, [esi + socket_queue_entry.data_size] |
||
3556 | hidnplayr | 797 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 798 | |
799 | cmp ecx, ebx |
||
800 | ja .too_small |
||
801 | |||
3565 | hidnplayr | 802 | push ecx |
3545 | hidnplayr | 803 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
804 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 805 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 806 | |
807 | ; copy the data |
||
808 | shr ecx, 1 |
||
809 | jnc .nb |
||
810 | movsb |
||
811 | .nb: |
||
812 | shr ecx, 1 |
||
813 | jnc .nw |
||
814 | movsw |
||
815 | .nw: |
||
816 | test ecx, ecx |
||
817 | jz .nd |
||
818 | rep movsd |
||
819 | .nd: |
||
820 | |||
821 | call kernel_free ; remove the packet |
||
3565 | hidnplayr | 822 | pop eax |
823 | |||
3545 | hidnplayr | 824 | ret |
825 | |||
826 | .too_small: |
||
827 | |||
3556 | hidnplayr | 828 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Buffer too small\n" |
3565 | hidnplayr | 829 | .fail: |
830 | mov eax, -1 |
||
831 | ret |
||
3545 | hidnplayr | 832 | |
833 | .block: |
||
834 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3565 | hidnplayr | 835 | jnz .fail |
3545 | hidnplayr | 836 | |
837 | call SOCKET_block |
||
838 | jmp .loop |
||
839 | |||
840 | |||
841 | align 4 |
||
842 | SOCKET_receive_local: |
||
843 | |||
844 | ; does this socket have a PID yet? |
||
845 | cmp [eax + SOCKET.PID], 0 |
||
846 | jne @f |
||
847 | |||
848 | ; Change PID to that of current process |
||
849 | mov ebx, [TASK_BASE] |
||
850 | mov ebx, [ebx + TASKDATA.pid] |
||
851 | mov [eax + SOCKET.PID], ebx |
||
852 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
853 | @@: |
||
854 | |||
855 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
856 | |||
857 | align 4 |
||
858 | SOCKET_receive_stream: |
||
859 | |||
3556 | hidnplayr | 860 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 861 | |
862 | mov ebx, edi |
||
863 | mov ecx, esi |
||
864 | mov edi, edx |
||
865 | xor edx, edx |
||
866 | |||
867 | test ebx, MSG_DONTWAIT |
||
868 | jnz .dontwait |
||
869 | .loop: |
||
870 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
||
871 | je .block |
||
872 | .dontwait: |
||
873 | test ebx, MSG_PEEK |
||
874 | jnz .peek |
||
875 | |||
876 | add eax, STREAM_SOCKET.rcv |
||
877 | call SOCKET_ring_read |
||
878 | call SOCKET_ring_free |
||
879 | |||
3565 | hidnplayr | 880 | mov eax, ecx ; return number of bytes copied |
3545 | hidnplayr | 881 | ret |
882 | |||
883 | .peek: |
||
3565 | hidnplayr | 884 | mov eax, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3545 | hidnplayr | 885 | ret |
886 | |||
887 | .block: |
||
888 | test [eax + SOCKET.options], SO_NONBLOCK |
||
889 | jnz .return0 |
||
890 | |||
891 | call SOCKET_block |
||
892 | jmp .loop |
||
893 | |||
894 | .return0: |
||
3565 | hidnplayr | 895 | test [eax + SOCKET.options], SS_CANTRCVMORE |
896 | jz .ok |
||
897 | |||
898 | xor eax, eax |
||
899 | dec eax |
||
3545 | hidnplayr | 900 | ret |
901 | |||
3565 | hidnplayr | 902 | .ok: |
903 | xor eax, eax |
||
904 | ret |
||
3545 | hidnplayr | 905 | |
3565 | hidnplayr | 906 | |
3545 | hidnplayr | 907 | ;----------------------------------------------------------------- |
908 | ; |
||
909 | ; SOCKET_send |
||
910 | ; |
||
911 | ; |
||
912 | ; IN: socket number in ecx |
||
913 | ; pointer to data in edx |
||
914 | ; datalength in esi |
||
915 | ; flags in edi |
||
916 | ; OUT: -1 on error |
||
917 | ; |
||
918 | ;----------------------------------------------------------------- |
||
919 | align 4 |
||
920 | SOCKET_send: |
||
921 | |||
3556 | hidnplayr | 922 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 923 | |
924 | call SOCKET_num_to_ptr |
||
925 | jz s_error |
||
926 | |||
927 | mov ecx, esi |
||
928 | mov esi, edx |
||
929 | |||
930 | jmp [eax + SOCKET.snd_proc] |
||
931 | |||
932 | |||
933 | align 4 |
||
934 | SOCKET_send_udp: |
||
935 | |||
3556 | hidnplayr | 936 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 937 | |
938 | mov [esp+32], ecx |
||
939 | call UDP_output |
||
940 | cmp eax, -1 |
||
941 | je s_error |
||
942 | ret |
||
943 | |||
944 | |||
945 | align 4 |
||
946 | SOCKET_send_tcp: |
||
947 | |||
3556 | hidnplayr | 948 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 949 | |
950 | push eax |
||
951 | add eax, STREAM_SOCKET.snd |
||
952 | call SOCKET_ring_write |
||
953 | pop eax |
||
954 | |||
955 | mov [esp+32], ecx |
||
956 | |||
957 | call TCP_output |
||
958 | ret |
||
959 | |||
960 | |||
961 | align 4 |
||
962 | SOCKET_send_ip: |
||
963 | |||
3556 | hidnplayr | 964 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 965 | |
966 | mov [esp+32], ecx |
||
967 | call IPv4_output_raw |
||
968 | cmp eax, -1 |
||
969 | je s_error |
||
970 | ret |
||
971 | |||
972 | |||
973 | align 4 |
||
974 | SOCKET_send_icmp: |
||
975 | |||
3556 | hidnplayr | 976 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 977 | |
978 | mov [esp+32], ecx |
||
979 | call ICMP_output_raw |
||
980 | cmp eax, -1 |
||
981 | je s_error |
||
982 | ret |
||
983 | |||
984 | |||
985 | align 4 |
||
986 | SOCKET_send_pppoe: |
||
987 | |||
3556 | hidnplayr | 988 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 989 | |
990 | mov [esp+32], ecx |
||
991 | mov ebx, [eax + SOCKET.device] |
||
992 | |||
993 | call PPPoE_discovery_output |
||
994 | cmp eax, -1 |
||
995 | je s_error |
||
996 | ret |
||
997 | |||
998 | |||
999 | |||
1000 | align 4 |
||
1001 | SOCKET_send_local: |
||
1002 | |||
1003 | ; does this socket have a PID yet? |
||
1004 | cmp [eax + SOCKET.PID], 0 |
||
1005 | jne @f |
||
1006 | |||
1007 | ; Change PID to that of current process |
||
1008 | mov ebx, [TASK_BASE] |
||
1009 | mov ebx, [ebx + TASKDATA.pid] |
||
1010 | mov [eax + SOCKET.PID], ebx |
||
1011 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1012 | @@: |
||
1013 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1014 | |||
1015 | align 4 |
||
1016 | SOCKET_send_local_: |
||
1017 | |||
3556 | hidnplayr | 1018 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1019 | |
1020 | ; get the other side's socket and check if it still exists |
||
1021 | mov eax, [eax + SOCKET.device] |
||
1022 | call SOCKET_check |
||
1023 | jz s_error |
||
1024 | |||
1025 | ; allright, shove in the data! |
||
1026 | push eax |
||
1027 | add eax, STREAM_SOCKET.rcv |
||
1028 | call SOCKET_ring_write |
||
1029 | pop eax |
||
1030 | |||
1031 | ; return the number of written bytes (or errorcode) to application |
||
1032 | mov [esp+32], ecx |
||
1033 | |||
1034 | ; and notify the other end |
||
1035 | call SOCKET_notify |
||
1036 | |||
1037 | ret |
||
1038 | |||
1039 | |||
1040 | ;----------------------------------------------------------------- |
||
1041 | ; |
||
1042 | ; SOCKET_get_options |
||
1043 | ; |
||
1044 | ; IN: ecx = socket number |
||
1045 | ; edx = pointer to the options: |
||
1046 | ; dd level, optname, optval, optlen |
||
1047 | ; OUT: -1 on error |
||
1048 | ; |
||
1049 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
1050 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1051 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1052 | ; |
||
1053 | ;----------------------------------------------------------------- |
||
1054 | align 4 |
||
1055 | SOCKET_get_opt: |
||
1056 | |||
3556 | hidnplayr | 1057 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1058 | |
1059 | call SOCKET_num_to_ptr |
||
1060 | jz s_error |
||
1061 | |||
1062 | cmp dword [edx], IP_PROTO_TCP |
||
1063 | jne s_error |
||
1064 | cmp dword [edx+4], -2 |
||
1065 | je @f |
||
1066 | cmp dword [edx+4], -3 |
||
1067 | jne s_error |
||
1068 | @@: |
||
1069 | ; mov eax, [edx+12] |
||
1070 | ; test eax, eax |
||
1071 | ; jz .fail |
||
1072 | ; cmp dword [eax], 4 |
||
1073 | ; mov dword [eax], 4 |
||
1074 | ; jb .fail |
||
1075 | ; stdcall net_socket_num_to_addr, ecx |
||
1076 | ; test eax, eax |
||
1077 | ; jz .fail |
||
1078 | ; ; todo: check that eax is really TCP socket |
||
1079 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1080 | ; cmp dword [edx+4], -2 |
||
1081 | ; jz @f |
||
1082 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1083 | @@: |
||
1084 | mov eax, [edx+8] |
||
1085 | test eax, eax |
||
1086 | jz @f |
||
1087 | mov [eax], ecx |
||
1088 | @@: |
||
1089 | mov dword [esp+32], 0 |
||
1090 | ret |
||
1091 | |||
1092 | |||
1093 | |||
1094 | ;----------------------------------------------------------------- |
||
1095 | ; |
||
1096 | ; SOCKET_set_options |
||
1097 | ; |
||
1098 | ; IN: ecx = socket number |
||
1099 | ; edx = pointer to the options: |
||
1100 | ; dd level, optname, optlen, optval |
||
1101 | ; OUT: -1 on error |
||
1102 | ; |
||
1103 | ;----------------------------------------------------------------- |
||
1104 | align 4 |
||
1105 | SOCKET_set_opt: |
||
1106 | |||
3556 | hidnplayr | 1107 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1108 | |
1109 | call SOCKET_num_to_ptr |
||
1110 | jz s_error |
||
1111 | |||
1112 | cmp dword [edx], SOL_SOCKET |
||
1113 | jne s_error |
||
1114 | |||
1115 | cmp dword [edx+4], SO_BINDTODEVICE |
||
1116 | je .bind |
||
1117 | |||
1118 | cmp dword [edx+4], SO_BLOCK |
||
1119 | je .block |
||
1120 | |||
1121 | jmp s_error |
||
1122 | |||
1123 | .bind: |
||
1124 | cmp dword [edx+8], 0 |
||
1125 | je .unbind |
||
1126 | |||
1127 | movzx edx, byte [edx + 9] |
||
3600 | hidnplayr | 1128 | cmp edx, NET_DEVICES_MAX |
3545 | hidnplayr | 1129 | ja s_error |
1130 | |||
1131 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1132 | test edx, edx |
||
1133 | jz s_error |
||
1134 | mov [eax + SOCKET.device], edx |
||
1135 | |||
3556 | hidnplayr | 1136 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
3545 | hidnplayr | 1137 | |
1138 | mov dword [esp+32], 0 ; success! |
||
1139 | ret |
||
1140 | |||
1141 | .unbind: |
||
1142 | mov [eax + SOCKET.device], 0 |
||
1143 | |||
1144 | mov dword [esp+32], 0 ; success! |
||
1145 | ret |
||
1146 | |||
1147 | .block: |
||
1148 | cmp dword [edx+8], 0 |
||
1149 | je .unblock |
||
1150 | |||
1151 | and [eax + SOCKET.options], not SO_NONBLOCK |
||
1152 | |||
1153 | mov dword [esp+32], 0 ; success! |
||
1154 | ret |
||
1155 | |||
1156 | .unblock: |
||
1157 | or [eax + SOCKET.options], SO_NONBLOCK |
||
1158 | |||
1159 | mov dword [esp+32], 0 ; success! |
||
1160 | ret |
||
1161 | |||
1162 | |||
1163 | |||
1164 | ;----------------------------------------------------------------- |
||
1165 | ; |
||
1166 | ; SOCKET_pair |
||
1167 | ; |
||
1168 | ; Allocates a pair of linked LOCAL domain sockets |
||
1169 | ; |
||
1170 | ; IN: / |
||
1171 | ; OUT: eax is socket1 num, -1 on error |
||
1172 | ; ebx is socket2 num |
||
1173 | ; |
||
1174 | ;----------------------------------------------------------------- |
||
1175 | align 4 |
||
1176 | SOCKET_pair: |
||
1177 | |||
3556 | hidnplayr | 1178 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1179 | |
1180 | call SOCKET_alloc |
||
1181 | jz s_error |
||
1182 | mov [esp+32], edi ; application's eax |
||
1183 | |||
1184 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1185 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1186 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1187 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1188 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1189 | mov [eax + SOCKET.PID], 0 |
||
1190 | mov ebx, eax |
||
1191 | |||
1192 | call SOCKET_alloc |
||
1193 | jz .error |
||
1194 | mov [esp+24], edi ; application's ebx |
||
1195 | |||
1196 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1197 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1198 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1199 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1200 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1201 | mov [eax + SOCKET.PID], 0 |
||
1202 | |||
1203 | ; Link the two sockets to eachother |
||
1204 | mov [eax + SOCKET.device], ebx |
||
1205 | mov [ebx + SOCKET.device], eax |
||
1206 | |||
1207 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1208 | call SOCKET_ring_create |
||
1209 | |||
1210 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1211 | call SOCKET_ring_create |
||
1212 | pop eax |
||
1213 | |||
1214 | ret |
||
1215 | |||
1216 | .error: |
||
1217 | mov eax, ebx |
||
1218 | call SOCKET_free |
||
1219 | jmp s_error |
||
1220 | |||
1221 | |||
1222 | |||
1223 | ;----------------------------------------------------------------- |
||
1224 | ; |
||
1225 | ; SOCKET_debug |
||
1226 | ; |
||
1227 | ; Copies socket variables to application buffer |
||
1228 | ; |
||
1229 | ; IN: ecx = socket number |
||
1230 | ; edx = pointer to buffer |
||
1231 | ; |
||
1232 | ; OUT: -1 on error |
||
1233 | ;----------------------------------------------------------------- |
||
1234 | align 4 |
||
1235 | SOCKET_debug: |
||
1236 | |||
3556 | hidnplayr | 1237 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1238 | |
1239 | mov edi, edx |
||
1240 | |||
1241 | test ecx, ecx |
||
1242 | jz .returnall |
||
1243 | |||
1244 | call SOCKET_num_to_ptr |
||
1245 | jz s_error |
||
1246 | |||
1247 | mov esi, eax |
||
1248 | mov ecx, SOCKETBUFFSIZE/4 |
||
1249 | rep movsd |
||
1250 | |||
1251 | mov dword [esp+32], 0 |
||
1252 | ret |
||
1253 | |||
1254 | .returnall: |
||
1255 | mov ebx, net_sockets |
||
1256 | .next_socket: |
||
1257 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1258 | test ebx, ebx |
||
1259 | jz .done |
||
1260 | mov eax, [ebx + SOCKET.Number] |
||
1261 | stosd |
||
1262 | jmp .next_socket |
||
1263 | .done: |
||
1264 | xor eax, eax |
||
1265 | stosd |
||
1266 | |||
1267 | mov dword [esp+32], 0 |
||
1268 | ret |
||
1269 | |||
1270 | |||
1271 | ;----------------------------------------------------------------- |
||
1272 | ; |
||
1273 | ; SOCKET_find_port |
||
1274 | ; |
||
1275 | ; Fills in the local port number for TCP and UDP sockets |
||
1276 | ; This procedure always works because the number of sockets is |
||
1277 | ; limited to a smaller number then the number of possible ports |
||
1278 | ; |
||
1279 | ; IN: eax = socket pointer |
||
1280 | ; OUT: / |
||
1281 | ; |
||
1282 | ;----------------------------------------------------------------- |
||
1283 | align 4 |
||
1284 | SOCKET_find_port: |
||
1285 | |||
3556 | hidnplayr | 1286 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1287 | |
1288 | push ebx esi ecx |
||
1289 | |||
1290 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1291 | je .udp |
||
1292 | |||
1293 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1294 | je .tcp |
||
1295 | |||
1296 | pop ecx esi ebx |
||
1297 | ret |
||
1298 | |||
1299 | .udp: |
||
1300 | mov bx, [last_UDP_port] |
||
1301 | call .findit |
||
1302 | mov [last_UDP_port], bx |
||
1303 | |||
1304 | pop ecx esi ebx |
||
1305 | ret |
||
1306 | |||
1307 | .tcp: |
||
1308 | mov bx, [last_TCP_port] |
||
1309 | call .findit |
||
1310 | mov [last_TCP_port], bx |
||
1311 | |||
1312 | pop ecx esi ebx |
||
1313 | ret |
||
1314 | |||
1315 | |||
1316 | .restart: |
||
1317 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1318 | .findit: |
||
1319 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1320 | je .restart |
||
1321 | |||
1322 | add bh, 1 |
||
1323 | adc bl, 0 |
||
1324 | |||
1325 | call SOCKET_check_port |
||
1326 | jz .findit |
||
1327 | ret |
||
1328 | |||
1329 | |||
1330 | |||
1331 | ;----------------------------------------------------------------- |
||
1332 | ; |
||
1333 | ; SOCKET_check_port (to be used with AF_INET only!) |
||
1334 | ; |
||
1335 | ; Checks if a local port number is unused |
||
1336 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1337 | ; |
||
1338 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
||
1339 | ; bx = proposed socket number (network byte order) |
||
1340 | ; |
||
1341 | ; OUT: ZF = set on error |
||
1342 | ; |
||
1343 | ;----------------------------------------------------------------- |
||
1344 | align 4 |
||
1345 | SOCKET_check_port: |
||
1346 | |||
3556 | hidnplayr | 1347 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1348 | |
3647 | hidnplayr | 1349 | pusha |
1350 | mov ecx, socket_mutex |
||
1351 | call mutex_lock |
||
1352 | popa |
||
1353 | |||
3545 | hidnplayr | 1354 | mov ecx, [eax + SOCKET.Protocol] |
1355 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1356 | mov esi, net_sockets |
||
1357 | |||
1358 | .next_socket: |
||
1359 | mov esi, [esi + SOCKET.NextPtr] |
||
1360 | or esi, esi |
||
1361 | jz .port_ok |
||
1362 | |||
1363 | cmp [esi + SOCKET.Protocol], ecx |
||
1364 | jne .next_socket |
||
1365 | |||
1366 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1367 | jne .next_socket |
||
1368 | |||
1369 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1370 | jne .next_socket |
||
1371 | |||
3647 | hidnplayr | 1372 | pusha |
1373 | mov ecx, socket_mutex |
||
1374 | call mutex_unlock |
||
1375 | popa |
||
1376 | |||
3556 | hidnplayr | 1377 | 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 | 1378 | ret |
1379 | |||
1380 | .port_ok: |
||
3647 | hidnplayr | 1381 | pusha |
1382 | mov ecx, socket_mutex |
||
1383 | call mutex_unlock |
||
1384 | popa |
||
1385 | |||
3556 | hidnplayr | 1386 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1387 | mov [eax + UDP_SOCKET.LocalPort], bx |
1388 | or bx, bx ; clear the zero-flag |
||
1389 | ret |
||
1390 | |||
1391 | |||
1392 | |||
1393 | ;----------------------------------------------------------------- |
||
1394 | ; |
||
1395 | ; SOCKET_input |
||
1396 | ; |
||
1397 | ; Updates a (stateless) socket with received data |
||
1398 | ; |
||
1399 | ; Note: the mutex should already be set ! |
||
1400 | ; |
||
1401 | ; IN: eax = socket ptr |
||
1402 | ; ecx = data size |
||
1403 | ; esi = ptr to data |
||
1404 | ; [esp] = ptr to buf |
||
1405 | ; [esp + 4] = buf size |
||
1406 | ; |
||
1407 | ; OUT: / |
||
1408 | ; |
||
1409 | ;----------------------------------------------------------------- |
||
1410 | align 4 |
||
1411 | SOCKET_input: |
||
1412 | |||
3556 | hidnplayr | 1413 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1414 | |
1415 | mov [esp+4], ecx |
||
1416 | push esi |
||
1417 | mov esi, esp |
||
1418 | |||
1419 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1420 | |||
3556 | hidnplayr | 1421 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1422 | add esp, sizeof.socket_queue_entry |
1423 | |||
1424 | pusha |
||
1425 | lea ecx, [eax + SOCKET.mutex] |
||
1426 | call mutex_unlock |
||
1427 | popa |
||
1428 | |||
1429 | jmp SOCKET_notify |
||
1430 | |||
1431 | .full: |
||
3556 | hidnplayr | 1432 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1433 | |
1434 | pusha |
||
1435 | lea ecx, [eax + SOCKET.mutex] |
||
1436 | call mutex_unlock |
||
1437 | popa |
||
1438 | |||
1439 | call kernel_free |
||
1440 | add esp, 8 |
||
1441 | |||
1442 | ret |
||
1443 | |||
1444 | |||
1445 | ;-------------------------- |
||
1446 | ; |
||
1447 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1448 | ; |
||
1449 | align 4 |
||
1450 | SOCKET_ring_create: |
||
1451 | |||
1452 | push esi |
||
1453 | mov esi, eax |
||
1454 | |||
1455 | push edx |
||
1456 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1457 | pop edx |
||
1458 | |||
3556 | hidnplayr | 1459 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_created: %x\n", eax |
3545 | hidnplayr | 1460 | |
1461 | pusha |
||
1462 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1463 | call mutex_init |
||
1464 | popa |
||
1465 | |||
1466 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1467 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1468 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1469 | mov [esi + RING_BUFFER.size], 0 |
||
1470 | add eax, SOCKET_MAXDATA |
||
1471 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1472 | mov eax, esi |
||
1473 | pop esi |
||
1474 | |||
1475 | ret |
||
1476 | |||
1477 | ;----------------------------------------------------------------- |
||
1478 | ; |
||
1479 | ; SOCKET_ring_write |
||
1480 | ; |
||
1481 | ; Adds data to a stream socket, and updates write pointer and size |
||
1482 | ; |
||
1483 | ; IN: eax = ptr to ring struct |
||
1484 | ; ecx = data size |
||
1485 | ; esi = ptr to data |
||
1486 | ; |
||
1487 | ; OUT: ecx = number of bytes stored |
||
1488 | ; |
||
1489 | ;----------------------------------------------------------------- |
||
1490 | align 4 |
||
1491 | SOCKET_ring_write: |
||
1492 | |||
3556 | hidnplayr | 1493 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1494 | |
1495 | ; lock mutex |
||
1496 | pusha |
||
1497 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1498 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1499 | popa |
||
1500 | |||
1501 | ; calculate available size |
||
1502 | mov edi, SOCKET_MAXDATA |
||
1503 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1504 | cmp ecx, edi |
||
1505 | jbe .copy |
||
1506 | mov ecx, edi |
||
1507 | .copy: |
||
1508 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1509 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1510 | |
1511 | ; update write ptr |
||
1512 | push edi |
||
1513 | add edi, ecx |
||
1514 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1515 | jb @f |
||
1516 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1517 | @@: |
||
1518 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1519 | pop edi |
||
1520 | |||
1521 | ; update size |
||
1522 | add [eax + RING_BUFFER.size], ecx |
||
1523 | |||
1524 | ; copy the data |
||
1525 | push ecx |
||
1526 | shr ecx, 1 |
||
1527 | jnc .nb |
||
1528 | movsb |
||
1529 | .nb: |
||
1530 | shr ecx, 1 |
||
1531 | jnc .nw |
||
1532 | movsw |
||
1533 | .nw: |
||
1534 | test ecx, ecx |
||
1535 | jz .nd |
||
1536 | rep movsd |
||
1537 | .nd: |
||
1538 | pop ecx |
||
1539 | |||
1540 | ; unlock mutex |
||
1541 | push eax ecx |
||
1542 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1543 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1544 | pop ecx eax |
||
1545 | |||
1546 | ret |
||
1547 | |||
1548 | ;----------------------------------------------------------------- |
||
1549 | ; |
||
1550 | ; SOCKET_ring_read |
||
1551 | ; |
||
1552 | ; IN: eax = ring struct ptr |
||
1553 | ; ecx = bytes to read |
||
1554 | ; edx = offset |
||
1555 | ; edi = ptr to buffer start |
||
1556 | ; |
||
1557 | ; OUT: eax = unchanged |
||
1558 | ; ecx = number of bytes read (0 on error) |
||
1559 | ; edx = destroyed |
||
1560 | ; esi = destroyed |
||
1561 | ; edi = ptr to buffer end |
||
1562 | ; |
||
1563 | ;----------------------------------------------------------------- |
||
1564 | align 4 |
||
1565 | SOCKET_ring_read: |
||
1566 | |||
3556 | hidnplayr | 1567 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1568 | |
1569 | pusha |
||
1570 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1571 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1572 | popa |
||
1573 | |||
1574 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1575 | add esi, edx ; esi = start_ptr + offset |
||
1576 | |||
1577 | neg edx |
||
1578 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1579 | jle .no_data_at_all |
||
1580 | |||
1581 | pusha |
||
1582 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1583 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1584 | popa |
||
1585 | |||
1586 | cmp ecx, edx |
||
1587 | ja .less_data |
||
1588 | |||
1589 | .copy: |
||
3556 | hidnplayr | 1590 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1591 | push ecx |
1592 | shr ecx, 1 |
||
1593 | jnc .nb |
||
1594 | movsb |
||
1595 | .nb: |
||
1596 | shr ecx, 1 |
||
1597 | jnc .nw |
||
1598 | movsw |
||
1599 | .nw: |
||
1600 | test ecx, ecx |
||
1601 | jz .nd |
||
1602 | rep movsd |
||
1603 | .nd: |
||
1604 | pop ecx |
||
1605 | ret |
||
1606 | |||
1607 | .no_data_at_all: |
||
1608 | pusha |
||
1609 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1610 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1611 | popa |
||
1612 | |||
3556 | hidnplayr | 1613 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1614 | xor ecx, ecx |
1615 | ret |
||
1616 | |||
1617 | .less_data: |
||
1618 | mov ecx, edx |
||
1619 | jmp .copy |
||
1620 | |||
1621 | |||
1622 | ;----------------------------------------------------------------- |
||
1623 | ; |
||
1624 | ; SOCKET_ring_free |
||
1625 | ; |
||
1626 | ; Free's some bytes from the ringbuffer |
||
1627 | ; |
||
1628 | ; IN: eax = ptr to ring struct |
||
1629 | ; ecx = data size |
||
1630 | ; |
||
1631 | ; OUT: ecx = number of bytes free-ed |
||
1632 | ; |
||
1633 | ;----------------------------------------------------------------- |
||
1634 | align 4 |
||
1635 | SOCKET_ring_free: |
||
1636 | |||
3556 | hidnplayr | 1637 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1638 | |
1639 | push eax ecx |
||
1640 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1641 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1642 | pop ecx eax |
||
1643 | |||
1644 | sub [eax + RING_BUFFER.size], ecx |
||
1645 | jb .error |
||
1646 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1647 | |||
1648 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1649 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1650 | jb @f |
||
1651 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1652 | @@: |
||
1653 | |||
1654 | push eax ecx |
||
1655 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1656 | call mutex_unlock |
||
1657 | pop ecx eax |
||
1658 | |||
1659 | ret |
||
1660 | |||
1661 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1662 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1663 | add [eax + RING_BUFFER.size], ecx |
1664 | |||
1665 | push eax |
||
1666 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1667 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1668 | pop eax |
||
1669 | |||
1670 | xor ecx, ecx |
||
1671 | ret |
||
1672 | |||
1673 | |||
1674 | ;----------------------------------------------------------------- |
||
1675 | ; |
||
1676 | ; SOCKET_block |
||
1677 | ; |
||
1678 | ; Suspends the thread attached to a socket |
||
1679 | ; |
||
1680 | ; IN: eax = socket ptr |
||
1681 | ; OUT: / |
||
1682 | ; |
||
1683 | ;----------------------------------------------------------------- |
||
1684 | align 4 |
||
1685 | SOCKET_block: |
||
1686 | |||
3556 | hidnplayr | 1687 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1688 | |
1689 | pushf |
||
1690 | cli |
||
1691 | |||
1692 | ; Set the 'socket is blocked' flag |
||
1693 | or [eax + SOCKET.state], SS_BLOCKED |
||
1694 | |||
1695 | ; Suspend the thread |
||
1696 | push edx |
||
1697 | mov edx, [TASK_BASE] |
||
1698 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1699 | |||
1700 | ; Remember the thread ID so we can wake it up again |
||
1701 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1702 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1703 | mov [eax + SOCKET.TID], edx |
1704 | pop edx |
||
1705 | |||
1706 | call change_task |
||
1707 | popf |
||
1708 | |||
3556 | hidnplayr | 1709 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continueing\n" |
3545 | hidnplayr | 1710 | |
1711 | ret |
||
1712 | |||
1713 | |||
1714 | ;----------------------------------------------------------------- |
||
1715 | ; |
||
1716 | ; SOCKET_notify |
||
1717 | ; |
||
1718 | ; notify's the owner of a socket that something happened |
||
1719 | ; |
||
1720 | ; IN: eax = socket ptr |
||
1721 | ; OUT: / |
||
1722 | ; |
||
1723 | ;----------------------------------------------------------------- |
||
1724 | align 4 |
||
1725 | SOCKET_notify: |
||
1726 | |||
3556 | hidnplayr | 1727 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1728 | |
1729 | call SOCKET_check |
||
1730 | jz .error |
||
1731 | |||
1732 | test [eax + SOCKET.state], SS_BLOCKED |
||
1733 | jnz .unblock |
||
1734 | |||
1735 | test [eax + SOCKET.options], SO_NONBLOCK |
||
1736 | jz .error |
||
1737 | |||
1738 | push eax ecx esi |
||
1739 | |||
1740 | ; socket exists and is of non blocking type. |
||
1741 | ; We'll try to flag an event to the thread |
||
1742 | |||
1743 | mov eax, [eax + SOCKET.TID] |
||
1744 | test eax, eax |
||
1745 | jz .done |
||
1746 | mov ecx, 1 |
||
1747 | mov esi, TASK_DATA + TASKDATA.pid |
||
1748 | |||
1749 | .next_pid: |
||
1750 | cmp [esi], eax |
||
1751 | je .found_pid |
||
1752 | inc ecx |
||
1753 | add esi, 0x20 |
||
1754 | cmp ecx, [TASK_COUNT] |
||
1755 | jbe .next_pid |
||
1756 | ; PID not found, TODO: close socket! |
||
1757 | jmp .done |
||
1758 | |||
1759 | .found_pid: |
||
1760 | shl ecx, 8 |
||
1761 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1762 | |||
3556 | hidnplayr | 1763 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Raised a network event!\n" |
3545 | hidnplayr | 1764 | |
1765 | jmp .done |
||
1766 | |||
1767 | .unblock: |
||
1768 | push eax ecx esi |
||
1769 | ; Clear the 'socket is blocked' flag |
||
1770 | and [eax + SOCKET.state], not SS_BLOCKED |
||
1771 | |||
1772 | ; Find the thread's TASK_DATA |
||
1773 | mov eax, [eax + SOCKET.TID] |
||
1774 | test eax, eax |
||
1775 | jz .error |
||
1776 | xor ecx, ecx |
||
1777 | inc ecx |
||
1778 | mov esi, TASK_DATA |
||
1779 | .next: |
||
1780 | cmp [esi + TASKDATA.pid], eax |
||
1781 | je .found |
||
1782 | inc ecx |
||
1783 | add esi, 0x20 |
||
1784 | cmp ecx, [TASK_COUNT] |
||
1785 | jbe .next |
||
1786 | jmp .error |
||
1787 | .found: |
||
1788 | |||
1789 | ; Run the thread |
||
1790 | mov [esi + TASKDATA.state], 0 ; Running |
||
3556 | hidnplayr | 1791 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
3545 | hidnplayr | 1792 | |
1793 | .done: |
||
1794 | pop esi ecx eax |
||
1795 | |||
1796 | .error: |
||
1797 | ret |
||
1798 | |||
1799 | |||
1800 | ;-------------------------------------------------------------------- |
||
1801 | ; |
||
1802 | ; SOCKET_alloc |
||
1803 | ; |
||
1804 | ; Allocate memory for socket data and put new socket into the list |
||
1805 | ; Newly created socket is initialized with calling PID and number and |
||
1806 | ; put into beginning of list (which is a fastest way). |
||
1807 | ; |
||
1808 | ; IN: / |
||
1809 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1810 | ; edi = socket number |
||
1811 | ; ZF = cleared on error |
||
1812 | ; |
||
1813 | ;-------------------------------------------------------------------- |
||
1814 | align 4 |
||
1815 | SOCKET_alloc: |
||
1816 | |||
1817 | push ebx |
||
1818 | |||
1819 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
3556 | hidnplayr | 1820 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1821 | or eax, eax |
1822 | jz .exit |
||
1823 | |||
1824 | ; zero-initialize allocated memory |
||
1825 | push eax |
||
1826 | mov edi, eax |
||
1827 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1828 | xor eax, eax |
||
1829 | rep stosd |
||
1830 | pop eax |
||
1831 | |||
1832 | ; set send-and receive procedures to return -1 |
||
1833 | mov [eax + SOCKET.snd_proc], s_error |
||
1834 | mov [eax + SOCKET.rcv_proc], s_error |
||
1835 | |||
3647 | hidnplayr | 1836 | pusha |
1837 | mov ecx, socket_mutex |
||
1838 | call mutex_lock |
||
1839 | popa |
||
1840 | |||
3545 | hidnplayr | 1841 | ; find first free socket number and use it |
1842 | mov edi, [last_socket_num] |
||
1843 | .next_socket_number: |
||
1844 | inc edi |
||
1845 | jz .next_socket_number ; avoid socket nr 0 |
||
1846 | cmp edi, -1 |
||
1847 | je .next_socket_number ; avoid socket nr -1 |
||
1848 | mov ebx, net_sockets |
||
1849 | .next_socket: |
||
1850 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1851 | test ebx, ebx |
||
1852 | jz .last_socket |
||
1853 | |||
1854 | cmp [ebx + SOCKET.Number], edi |
||
1855 | jne .next_socket |
||
1856 | jmp .next_socket_number |
||
1857 | |||
1858 | .last_socket: |
||
1859 | mov [last_socket_num], edi |
||
1860 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1861 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1862 | |
1863 | ; Fill in PID |
||
1864 | mov ebx, [TASK_BASE] |
||
1865 | mov ebx, [ebx + TASKDATA.pid] |
||
1866 | mov [eax + SOCKET.PID], ebx |
||
1867 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1868 | |||
1869 | ; init mutex |
||
1870 | pusha |
||
1871 | lea ecx, [eax + SOCKET.mutex] |
||
1872 | call mutex_init |
||
1873 | popa |
||
1874 | |||
1875 | ; add socket to the list by re-arranging some pointers |
||
1876 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
1877 | |||
1878 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
1879 | mov [eax + SOCKET.NextPtr], ebx |
||
1880 | |||
1881 | test ebx, ebx |
||
1882 | jz @f |
||
1883 | |||
1884 | pusha |
||
1885 | lea ecx, [ebx + SOCKET.mutex] |
||
1886 | call mutex_lock |
||
1887 | popa |
||
1888 | |||
1889 | mov [ebx + SOCKET.PrevPtr], eax |
||
1890 | |||
1891 | pusha |
||
1892 | lea ecx, [ebx + SOCKET.mutex] |
||
1893 | call mutex_unlock |
||
1894 | popa |
||
1895 | @@: |
||
1896 | |||
1897 | mov [net_sockets + SOCKET.NextPtr], eax |
||
1898 | or eax, eax ; used to clear zero flag |
||
3647 | hidnplayr | 1899 | |
1900 | pusha |
||
1901 | mov ecx, socket_mutex |
||
1902 | call mutex_unlock |
||
1903 | popa |
||
1904 | |||
3545 | hidnplayr | 1905 | .exit: |
1906 | pop ebx |
||
1907 | |||
1908 | ret |
||
1909 | |||
1910 | |||
1911 | ;---------------------------------------------------- |
||
1912 | ; |
||
1913 | ; SOCKET_free |
||
1914 | ; |
||
1915 | ; Free socket data memory and remove socket from the list |
||
1916 | ; |
||
1917 | ; IN: eax = socket ptr |
||
1918 | ; OUT: / |
||
1919 | ; |
||
1920 | ;---------------------------------------------------- |
||
1921 | align 4 |
||
1922 | SOCKET_free: |
||
1923 | |||
3556 | hidnplayr | 1924 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 1925 | |
3652 | hidnplayr | 1926 | pusha |
1927 | mov ecx, socket_mutex |
||
1928 | call mutex_lock |
||
1929 | popa |
||
1930 | |||
3545 | hidnplayr | 1931 | call SOCKET_check |
1932 | jz .error |
||
1933 | |||
1934 | push ebx |
||
1935 | |||
1936 | pusha |
||
1937 | lea ecx, [eax + SOCKET.mutex] |
||
1938 | call mutex_lock |
||
1939 | popa |
||
1940 | |||
1941 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
1942 | jnz .no_tcp |
||
1943 | |||
1944 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1945 | jnz .no_tcp |
||
1946 | |||
1947 | mov ebx, eax |
||
1948 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
1949 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
1950 | mov eax, ebx |
||
1951 | .no_tcp: |
||
1952 | |||
3652 | hidnplayr | 1953 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 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 | |||
3652 | hidnplayr | 1973 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
1974 | |||
1975 | .error: |
||
1976 | |||
3647 | hidnplayr | 1977 | pusha |
1978 | mov ecx, socket_mutex |
||
1979 | call mutex_unlock |
||
1980 | popa |
||
1981 | |||
3545 | hidnplayr | 1982 | ret |
1983 | |||
1984 | ;------------------------------------ |
||
1985 | ; |
||
1986 | ; SOCKET_fork |
||
1987 | ; |
||
1988 | ; Create a child socket |
||
1989 | ; |
||
1990 | ; IN: socket nr in ebx |
||
1991 | ; OUT: child socket nr in eax |
||
1992 | ; |
||
1993 | ;----------------------------------- |
||
1994 | align 4 |
||
1995 | SOCKET_fork: |
||
1996 | |||
3556 | hidnplayr | 1997 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 1998 | |
1999 | ; Exit if backlog queue is full |
||
2000 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2001 | cmp ax, [ebx + SOCKET.backlog] |
||
2002 | jae .fail |
||
2003 | |||
2004 | ; Allocate new socket |
||
2005 | push ebx |
||
2006 | call SOCKET_alloc |
||
2007 | pop ebx |
||
2008 | jz .fail |
||
2009 | |||
2010 | push eax |
||
2011 | mov esi, esp |
||
2012 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2013 | pop eax |
||
2014 | |||
2015 | ; Copy structure from current socket to new |
||
2016 | ; We start at PID to preserve the socket num, and the 2 pointers at beginning of socket |
||
2017 | lea esi, [ebx + SOCKET.PID] |
||
2018 | lea edi, [eax + SOCKET.PID] |
||
2019 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
2020 | rep movsd |
||
2021 | |||
2022 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2023 | |||
2024 | ret |
||
2025 | |||
2026 | .fail2: |
||
2027 | add esp, 4+4+4 |
||
2028 | .fail: |
||
3556 | hidnplayr | 2029 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2030 | xor eax, eax |
2031 | ret |
||
2032 | |||
2033 | |||
2034 | ;--------------------------------------------------- |
||
2035 | ; |
||
2036 | ; SOCKET_num_to_ptr |
||
2037 | ; |
||
2038 | ; Get socket structure address by its number |
||
2039 | ; |
||
2040 | ; IN: ecx = socket number |
||
2041 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
2042 | ; ZF = set on error |
||
2043 | ; |
||
2044 | ;--------------------------------------------------- |
||
2045 | align 4 |
||
2046 | SOCKET_num_to_ptr: |
||
2047 | |||
3556 | hidnplayr | 2048 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2049 | |
3647 | hidnplayr | 2050 | pusha |
2051 | mov ecx, socket_mutex |
||
2052 | call mutex_lock |
||
2053 | popa |
||
2054 | |||
3545 | hidnplayr | 2055 | mov eax, net_sockets |
2056 | |||
2057 | .next_socket: |
||
2058 | mov eax, [eax + SOCKET.NextPtr] |
||
2059 | or eax, eax |
||
2060 | jz .error |
||
2061 | cmp [eax + SOCKET.Number], ecx |
||
2062 | jne .next_socket |
||
2063 | |||
2064 | test eax, eax |
||
2065 | |||
3647 | hidnplayr | 2066 | pusha |
2067 | mov ecx, socket_mutex |
||
2068 | call mutex_unlock |
||
2069 | popa |
||
2070 | |||
3556 | hidnplayr | 2071 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2072 | ret |
2073 | |||
2074 | .error: |
||
3647 | hidnplayr | 2075 | pusha |
2076 | mov ecx, socket_mutex |
||
2077 | call mutex_unlock |
||
2078 | popa |
||
2079 | |||
3637 | hidnplayr | 2080 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: not found\n", eax |
3545 | hidnplayr | 2081 | ret |
2082 | |||
2083 | |||
2084 | ;--------------------------------------------------- |
||
2085 | ; |
||
2086 | ; SOCKET_ptr_to_num |
||
2087 | ; |
||
2088 | ; Get socket number by its address |
||
2089 | ; |
||
2090 | ; IN: eax = socket ptr |
||
2091 | ; OUT: eax = 0 on error, socket num otherwise |
||
2092 | ; ZF = set on error |
||
2093 | ; |
||
2094 | ;--------------------------------------------------- |
||
2095 | align 4 |
||
2096 | SOCKET_ptr_to_num: |
||
2097 | |||
3556 | hidnplayr | 2098 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2099 | |
2100 | call SOCKET_check |
||
2101 | jz .error |
||
2102 | |||
2103 | mov eax, [eax + SOCKET.Number] |
||
2104 | |||
3556 | hidnplayr | 2105 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2106 | ret |
2107 | |||
2108 | .error: |
||
3556 | hidnplayr | 2109 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2110 | ret |
2111 | |||
2112 | |||
2113 | ;--------------------------------------------------- |
||
2114 | ; |
||
2115 | ; SOCKET_check |
||
2116 | ; |
||
2117 | ; checks if the given value is really a socket ptr |
||
2118 | ; |
||
2119 | ; IN: eax = socket ptr |
||
2120 | ; OUT: eax = 0 on error, unchanged otherwise |
||
2121 | ; ZF = set on error |
||
2122 | ; |
||
2123 | ;--------------------------------------------------- |
||
2124 | align 4 |
||
2125 | SOCKET_check: |
||
2126 | |||
3556 | hidnplayr | 2127 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2128 | |
2129 | push ebx |
||
2130 | mov ebx, net_sockets |
||
2131 | |||
2132 | .next_socket: |
||
2133 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2134 | or ebx, ebx |
||
2135 | jz .done |
||
2136 | cmp ebx, eax |
||
2137 | jnz .next_socket |
||
2138 | |||
2139 | .done: |
||
2140 | mov eax, ebx |
||
2141 | test eax, eax |
||
2142 | pop ebx |
||
2143 | |||
2144 | ret |
||
2145 | |||
2146 | |||
2147 | |||
2148 | ;--------------------------------------------------- |
||
2149 | ; |
||
2150 | ; SOCKET_check_owner |
||
2151 | ; |
||
2152 | ; checks if the caller application owns the socket |
||
2153 | ; |
||
2154 | ; IN: eax = socket ptr |
||
2155 | ; OUT: ZF = true/false |
||
2156 | ; |
||
2157 | ;--------------------------------------------------- |
||
2158 | align 4 |
||
2159 | SOCKET_check_owner: |
||
2160 | |||
3556 | hidnplayr | 2161 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2162 | |
2163 | push ebx |
||
2164 | mov ebx, [TASK_BASE] |
||
2165 | mov ebx, [ebx + TASKDATA.pid] |
||
2166 | cmp [eax + SOCKET.PID], ebx |
||
2167 | pop ebx |
||
2168 | |||
2169 | ret |
||
2170 | |||
2171 | |||
2172 | |||
2173 | |||
2174 | ;------------------------------------------------------ |
||
2175 | ; |
||
2176 | ; SOCKET_process_end |
||
2177 | ; |
||
2178 | ; Kernel calls this function when a certain process ends |
||
2179 | ; This function will check if the process had any open sockets |
||
2180 | ; And update them accordingly |
||
2181 | ; |
||
2182 | ; IN: edx = pid |
||
2183 | ; OUT: / |
||
2184 | ; |
||
2185 | ;------------------------------------------------------ |
||
2186 | align 4 |
||
2187 | SOCKET_process_end: |
||
2188 | |||
3648 | hidnplayr | 2189 | pushf |
2190 | cli ; FIXME |
||
2191 | |||
3556 | hidnplayr | 2192 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2193 | |
3647 | hidnplayr | 2194 | pusha |
2195 | mov ecx, socket_mutex |
||
2196 | call mutex_lock |
||
2197 | popa |
||
2198 | |||
3545 | hidnplayr | 2199 | push ebx |
2200 | mov ebx, net_sockets |
||
2201 | |||
2202 | .next_socket: |
||
2203 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2204 | .next_socket_test: |
||
2205 | test ebx, ebx |
||
2206 | jz .done |
||
2207 | |||
2208 | cmp [ebx + SOCKET.PID], edx |
||
2209 | jne .next_socket |
||
2210 | |||
3556 | hidnplayr | 2211 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2212 | |
2213 | mov [ebx + SOCKET.PID], 0 |
||
2214 | mov eax, ebx |
||
2215 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2216 | |
3545 | hidnplayr | 2217 | pusha |
3648 | hidnplayr | 2218 | mov ecx, socket_mutex |
2219 | call mutex_unlock |
||
2220 | popa |
||
2221 | |||
2222 | pusha |
||
3652 | hidnplayr | 2223 | cmp [eax + SOCKET.Domain], AF_INET4 |
2224 | jne .free |
||
2225 | |||
2226 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2227 | jne .free |
||
2228 | |||
2229 | call TCP_close |
||
2230 | jmp .closed |
||
2231 | |||
2232 | .free: |
||
2233 | call SOCKET_free |
||
2234 | |||
2235 | .closed: |
||
3545 | hidnplayr | 2236 | popa |
3648 | hidnplayr | 2237 | |
2238 | pusha |
||
2239 | mov ecx, socket_mutex |
||
2240 | call mutex_lock |
||
2241 | popa |
||
2242 | |||
3545 | hidnplayr | 2243 | jmp .next_socket_test |
2244 | |||
2245 | .done: |
||
2246 | pop ebx |
||
2247 | |||
3647 | hidnplayr | 2248 | pusha |
2249 | mov ecx, socket_mutex |
||
2250 | call mutex_unlock |
||
2251 | popa |
||
2252 | |||
3648 | hidnplayr | 2253 | popf |
2254 | |||
3545 | hidnplayr | 2255 | ret |
2256 | |||
2257 | |||
2258 | |||
2259 | |||
2260 | ;----------------------------------------------------------------- |
||
2261 | ; |
||
2262 | ; SOCKET_is_connecting |
||
2263 | ; |
||
2264 | ; IN: eax = socket ptr |
||
2265 | ; OUT: / |
||
2266 | ; |
||
2267 | ;----------------------------------------------------------------- |
||
2268 | |||
2269 | align 4 |
||
2270 | SOCKET_is_connecting: |
||
2271 | |||
3556 | hidnplayr | 2272 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2273 | |
2274 | and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
||
2275 | or [eax + SOCKET.options], SS_ISCONNECTING |
||
2276 | |||
2277 | jmp SOCKET_notify |
||
2278 | |||
2279 | |||
2280 | |||
2281 | ;----------------------------------------------------------------- |
||
2282 | ; |
||
2283 | ; SOCKET_is_connected |
||
2284 | ; |
||
2285 | ; IN: eax = socket ptr |
||
2286 | ; OUT: / |
||
2287 | ; |
||
2288 | ;----------------------------------------------------------------- |
||
2289 | |||
2290 | align 4 |
||
2291 | SOCKET_is_connected: |
||
2292 | |||
3556 | hidnplayr | 2293 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2294 | |
2295 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
||
2296 | or [eax + SOCKET.options], SS_ISCONNECTED |
||
2297 | |||
2298 | jmp SOCKET_notify |
||
2299 | |||
2300 | |||
2301 | |||
2302 | |||
2303 | ;----------------------------------------------------------------- |
||
2304 | ; |
||
2305 | ; SOCKET_is_disconnecting |
||
2306 | ; |
||
2307 | ; IN: eax = socket ptr |
||
2308 | ; OUT: / |
||
2309 | ; |
||
2310 | ;----------------------------------------------------------------- |
||
2311 | |||
2312 | align 4 |
||
2313 | SOCKET_is_disconnecting: |
||
2314 | |||
3556 | hidnplayr | 2315 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2316 | |
2317 | and [eax + SOCKET.options], not (SS_ISCONNECTING) |
||
2318 | or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
2319 | |||
2320 | jmp SOCKET_notify |
||
2321 | |||
2322 | |||
2323 | |||
2324 | ;----------------------------------------------------------------- |
||
2325 | ; |
||
2326 | ; SOCKET_is_disconnected |
||
2327 | ; |
||
2328 | ; IN: eax = socket ptr |
||
2329 | ; OUT: / |
||
2330 | ; |
||
2331 | ;----------------------------------------------------------------- |
||
2332 | |||
2333 | align 4 |
||
2334 | SOCKET_is_disconnected: |
||
2335 | |||
3556 | hidnplayr | 2336 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2337 | |
2338 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
||
2339 | or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
2340 | |||
2341 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2342 | je .tcp |
||
2343 | |||
2344 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
2345 | je .udp |
||
2346 | |||
2347 | jmp SOCKET_notify |
||
2348 | |||
2349 | .tcp: |
||
2350 | .udp: |
||
2351 | mov [eax + UDP_SOCKET.LocalPort], 0 ; UDP and TCP structs store localport at the same offset |
||
2352 | mov [eax + UDP_SOCKET.RemotePort], 0 |
||
2353 | |||
2354 | jmp SOCKET_notify |
||
2355 | |||
2356 | |||
2357 | ;----------------------------------------------------------------- |
||
2358 | ; |
||
2359 | ; SOCKET_cant_recv_more |
||
2360 | ; |
||
2361 | ; IN: eax = socket ptr |
||
2362 | ; OUT: / |
||
2363 | ; |
||
2364 | ;----------------------------------------------------------------- |
||
2365 | |||
2366 | align 4 |
||
2367 | SOCKET_cant_recv_more: |
||
2368 | |||
3556 | hidnplayr | 2369 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2370 | |
2371 | or [eax + SOCKET.options], SS_CANTRCVMORE |
||
2372 | |||
3565 | hidnplayr | 2373 | call SOCKET_notify |
2374 | |||
3545 | hidnplayr | 2375 | ret |
2376 | |||
2377 | |||
2378 | |||
2379 | ;----------------------------------------------------------------- |
||
2380 | ; |
||
2381 | ; SOCKET_cant_send_more |
||
2382 | ; |
||
2383 | ; IN: eax = socket ptr |
||
2384 | ; OUT: / |
||
2385 | ; |
||
2386 | ;----------------------------------------------------------------- |
||
2387 | |||
2388 | align 4 |
||
2389 | SOCKET_cant_send_more: |
||
2390 | |||
3556 | hidnplayr | 2391 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2392 | |
2393 | or [eax + SOCKET.options], SS_CANTSENDMORE |
||
3565 | hidnplayr | 2394 | mov [eax + SOCKET.snd_proc], s_error |
3545 | hidnplayr | 2395 | |
3565 | hidnplayr | 2396 | call SOCKET_notify |
2397 | |||
3545 | hidnplayr | 2398 | ret |