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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5363 | yogev_ezra | 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
3545 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org, ;; |
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9 | ;; and Clevermouse. ;; |
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10 | ;; ;; |
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11 | ;; Based on code by mike.dld ;; |
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12 | ;; ;; |
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13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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17 | |||
4850 | mario79 | 18 | $Revision: 6413 $ |
3545 | hidnplayr | 19 | |
20 | struct SOCKET |
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21 | |||
5976 | hidnplayr | 22 | NextPtr dd ? ; pointer to next socket in list |
23 | PrevPtr dd ? ; pointer to previous socket in list |
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24 | Number dd ? ; socket number |
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3545 | hidnplayr | 25 | |
26 | mutex MUTEX |
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27 | |||
5976 | hidnplayr | 28 | PID dd ? ; process ID |
29 | TID dd ? ; thread ID |
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30 | Domain dd ? ; INET4/INET6/LOCAL/.. |
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31 | Type dd ? ; RAW/STREAM/DGRAM |
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32 | Protocol dd ? ; UDP/TCP/ARP/ICMP |
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3545 | hidnplayr | 33 | errorcode dd ? |
5976 | hidnplayr | 34 | device dd ? ; device pointer, paired socket pointer if it's a local socket |
3545 | hidnplayr | 35 | |
36 | options dd ? |
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37 | state dd ? |
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5976 | hidnplayr | 38 | backlog dw ? ; number of incoming connections that can be queued |
3545 | hidnplayr | 39 | |
40 | snd_proc dd ? |
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41 | rcv_proc dd ? |
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4030 | hidnplayr | 42 | connect_proc dd ? |
3545 | hidnplayr | 43 | |
44 | ends |
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45 | |||
46 | struct IP_SOCKET SOCKET |
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47 | |||
5976 | hidnplayr | 48 | LocalIP rd 4 ; network byte order |
49 | RemoteIP rd 4 ; network byte order |
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5842 | hidnplayr | 50 | ttl db ? |
5976 | hidnplayr | 51 | rb 3 ; align |
3545 | hidnplayr | 52 | |
53 | ends |
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54 | |||
55 | struct TCP_SOCKET IP_SOCKET |
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56 | |||
5976 | hidnplayr | 57 | LocalPort dw ? ; network byte order |
58 | RemotePort dw ? ; network byte order |
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3545 | hidnplayr | 59 | |
5976 | hidnplayr | 60 | t_state dd ? ; TCB state |
3545 | hidnplayr | 61 | t_rxtshift db ? |
5976 | hidnplayr | 62 | rb 3 ; align |
3545 | hidnplayr | 63 | t_rxtcur dd ? |
64 | t_dupacks dd ? |
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65 | t_maxseg dd ? |
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66 | t_force dd ? |
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67 | t_flags dd ? |
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68 | |||
69 | ;--------------- |
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70 | ; RFC783 page 21 |
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71 | |||
72 | ; send sequence |
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5976 | hidnplayr | 73 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
74 | SND_NXT dd ? ; next send sequence number to use |
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75 | SND_UP dd ? ; urgent pointer |
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76 | SND_WL1 dd ? ; window minus one |
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77 | SND_WL2 dd ? ; |
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78 | ISS dd ? ; initial send sequence number |
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79 | SND_WND dd ? ; send window |
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3545 | hidnplayr | 80 | |
81 | ; receive sequence |
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5976 | hidnplayr | 82 | RCV_WND dd ? ; receive window |
83 | RCV_NXT dd ? ; next receive sequence number to use |
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84 | RCV_UP dd ? ; urgent pointer |
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85 | IRS dd ? ; initial receive sequence number |
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3545 | hidnplayr | 86 | |
87 | ;--------------------- |
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88 | ; Additional variables |
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89 | |||
90 | ; receive variables |
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91 | RCV_ADV dd ? |
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92 | |||
93 | ; retransmit variables |
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94 | SND_MAX dd ? |
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95 | |||
96 | ; congestion control |
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4339 | hidnplayr | 97 | SND_CWND dd ? ; congestion window |
98 | SND_SSTHRESH dd ? ; slow start threshold |
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3545 | hidnplayr | 99 | |
100 | ;---------------------- |
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101 | ; Transmit timing stuff |
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102 | t_idle dd ? |
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5442 | hidnplayr | 103 | t_rtt dd ? ; round trip time |
3545 | hidnplayr | 104 | t_rtseq dd ? |
5442 | hidnplayr | 105 | t_srtt dd ? ; smoothed round trip time |
3545 | hidnplayr | 106 | t_rttvar dd ? |
107 | t_rttmin dd ? |
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108 | max_sndwnd dd ? |
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109 | |||
110 | ;----------------- |
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111 | ; Out-of-band data |
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112 | t_oobflags dd ? |
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113 | t_iobc dd ? |
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114 | t_softerror dd ? |
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115 | |||
116 | |||
117 | ;--------- |
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118 | ; RFC 1323 ; the order of next 4 elements may not change |
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119 | |||
120 | SND_SCALE db ? |
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121 | RCV_SCALE db ? |
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122 | requested_s_scale db ? |
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123 | request_r_scale db ? |
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124 | |||
125 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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126 | ts_recent_age dd ? |
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127 | last_ack_sent dd ? |
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128 | |||
129 | |||
130 | ;------- |
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131 | ; Timers |
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3600 | hidnplayr | 132 | timer_flags dd ? |
5976 | hidnplayr | 133 | timer_retransmission dd ? ; rexmt |
3545 | hidnplayr | 134 | timer_persist dd ? |
5976 | hidnplayr | 135 | timer_keepalive dd ? ; keepalive/syn timeout |
136 | timer_timed_wait dd ? ; also used as 2msl timer |
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4021 | hidnplayr | 137 | timer_connect dd ? |
3545 | hidnplayr | 138 | |
139 | ; extra |
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140 | |||
5976 | hidnplayr | 141 | ts_ecr dd ? ; timestamp echo reply |
3545 | hidnplayr | 142 | ts_val dd ? |
143 | |||
5976 | hidnplayr | 144 | seg_next dd ? ; re-assembly queue |
3545 | hidnplayr | 145 | |
146 | ends |
||
147 | |||
148 | struct UDP_SOCKET IP_SOCKET |
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149 | |||
5976 | hidnplayr | 150 | LocalPort dw ? ; in network byte order |
151 | RemotePort dw ? ; in network byte order |
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3545 | hidnplayr | 152 | |
153 | ends |
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154 | |||
155 | struct RING_BUFFER |
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156 | |||
157 | mutex MUTEX |
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5976 | hidnplayr | 158 | start_ptr dd ? ; Pointer to start of buffer |
159 | end_ptr dd ? ; pointer to end of buffer |
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160 | read_ptr dd ? ; Read pointer |
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161 | write_ptr dd ? ; Write pointer |
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162 | size dd ? ; Number of bytes buffered |
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3545 | hidnplayr | 163 | |
164 | ends |
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165 | |||
166 | struct STREAM_SOCKET TCP_SOCKET |
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167 | |||
168 | rcv RING_BUFFER |
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169 | snd RING_BUFFER |
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170 | |||
171 | ends |
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172 | |||
173 | struct socket_queue_entry |
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174 | |||
175 | data_ptr dd ? |
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5522 | hidnplayr | 176 | data_size dd ? |
3545 | hidnplayr | 177 | buf_ptr dd ? |
178 | |||
179 | ends |
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180 | |||
5976 | hidnplayr | 181 | struct socket_options |
3545 | hidnplayr | 182 | |
5976 | hidnplayr | 183 | level dd ? |
184 | optname dd ? |
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185 | optlen dd ? |
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186 | optval dd ? |
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3545 | hidnplayr | 187 | |
5976 | hidnplayr | 188 | ends |
189 | |||
6413 | hidnplayr | 190 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
5976 | hidnplayr | 191 | |
192 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
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3545 | hidnplayr | 193 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
6413 | hidnplayr | 194 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
3545 | hidnplayr | 195 | |
196 | uglobal |
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3698 | hidnplayr | 197 | align 4 |
198 | |||
3545 | hidnplayr | 199 | net_sockets rd 4 |
200 | last_socket_num dd ? |
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5976 | hidnplayr | 201 | last_UDP_port dw ? ; last used ephemeral port |
202 | last_TCP_port dw ? ; |
||
3647 | hidnplayr | 203 | socket_mutex MUTEX |
3698 | hidnplayr | 204 | |
3545 | hidnplayr | 205 | endg |
206 | |||
207 | |||
5976 | hidnplayr | 208 | ;-----------------------------------------------------------------; |
209 | ; ; |
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6011 | hidnplayr | 210 | ; socket_init ; |
5976 | hidnplayr | 211 | ; ; |
212 | ;-----------------------------------------------------------------; |
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6011 | hidnplayr | 213 | macro socket_init { |
3545 | hidnplayr | 214 | |
215 | xor eax, eax |
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216 | mov edi, net_sockets |
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217 | mov ecx, 5 |
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3711 | clevermous | 218 | rep stosd |
3545 | hidnplayr | 219 | |
220 | @@: |
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221 | pseudo_random eax |
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3600 | hidnplayr | 222 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 223 | jb @r |
3600 | hidnplayr | 224 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 225 | ja @r |
226 | xchg al, ah |
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227 | mov [last_UDP_port], ax |
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228 | |||
229 | @@: |
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230 | pseudo_random eax |
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3600 | hidnplayr | 231 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 232 | jb @r |
3600 | hidnplayr | 233 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 234 | ja @r |
235 | xchg al, ah |
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236 | mov [last_TCP_port], ax |
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237 | |||
3647 | hidnplayr | 238 | mov ecx, socket_mutex |
239 | call mutex_init |
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240 | |||
3545 | hidnplayr | 241 | } |
242 | |||
5976 | hidnplayr | 243 | ;-----------------------------------------------------------------; |
244 | ; ; |
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245 | ; Sockets API (system function 75) ; |
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246 | ; ; |
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247 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 248 | align 4 |
249 | sys_socket: |
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250 | |||
3673 | hidnplayr | 251 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 252 | |
3545 | hidnplayr | 253 | cmp ebx, 255 |
6011 | hidnplayr | 254 | jz socket_debug |
3545 | hidnplayr | 255 | |
256 | cmp ebx, .number |
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3658 | hidnplayr | 257 | ja .error |
3545 | hidnplayr | 258 | jmp dword [.table + 4*ebx] |
259 | |||
260 | .table: |
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6011 | hidnplayr | 261 | dd socket_open ; 0 |
262 | dd socket_close ; 1 |
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263 | dd socket_bind ; 2 |
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264 | dd socket_listen ; 3 |
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265 | dd socket_connect ; 4 |
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266 | dd socket_accept ; 5 |
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267 | dd socket_send ; 6 |
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268 | dd socket_receive ; 7 |
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269 | dd socket_set_opt ; 8 |
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270 | dd socket_get_opt ; 9 |
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271 | dd socket_pair ; 10 |
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3545 | hidnplayr | 272 | .number = ($ - .table) / 4 - 1 |
273 | |||
3658 | hidnplayr | 274 | .error: |
275 | mov dword[esp+32], -1 |
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3673 | hidnplayr | 276 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 277 | |
278 | ret |
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279 | |||
5976 | hidnplayr | 280 | ;-----------------------------------------------------------------; |
281 | ; ; |
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6011 | hidnplayr | 282 | ; socket_open: Create a new socket. ; |
5976 | hidnplayr | 283 | ; ; |
284 | ; IN: ecx = domain ; |
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285 | ; edx = type ; |
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286 | ; esi = protocol ; |
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287 | ; ; |
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288 | ; OUT: eax = socket number ; |
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289 | ; eax = -1 on error ; |
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290 | ; ebx = errorcode on error ; |
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291 | ; ; |
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292 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 293 | align 4 |
6011 | hidnplayr | 294 | socket_open: |
3545 | hidnplayr | 295 | |
3556 | hidnplayr | 296 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 297 | |
298 | push ecx edx esi |
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6011 | hidnplayr | 299 | call socket_alloc |
3545 | hidnplayr | 300 | pop esi edx ecx |
4535 | hidnplayr | 301 | test eax, eax |
3658 | hidnplayr | 302 | jz .nobuffs |
3545 | hidnplayr | 303 | |
5976 | hidnplayr | 304 | mov [esp+32], edi ; return socketnumber |
3556 | hidnplayr | 305 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 306 | |
3705 | hidnplayr | 307 | test edx, SO_NONBLOCK |
308 | jz @f |
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309 | or [eax + SOCKET.options], SO_NONBLOCK |
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310 | and edx, not SO_NONBLOCK |
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311 | @@: |
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3545 | hidnplayr | 312 | |
313 | mov [eax + SOCKET.Domain], ecx |
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314 | mov [eax + SOCKET.Type], edx |
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315 | mov [eax + SOCKET.Protocol], esi |
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4030 | hidnplayr | 316 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 317 | |
318 | cmp ecx, AF_INET4 |
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319 | jne .no_inet4 |
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320 | |||
5842 | hidnplayr | 321 | mov [eax + IP_SOCKET.ttl], 128 |
322 | |||
3545 | hidnplayr | 323 | cmp edx, SOCK_DGRAM |
324 | je .udp |
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325 | |||
326 | cmp edx, SOCK_STREAM |
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327 | je .tcp |
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328 | |||
329 | cmp edx, SOCK_RAW |
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330 | je .raw |
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331 | |||
332 | .no_inet4: |
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333 | cmp ecx, AF_PPP |
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334 | jne .no_ppp |
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335 | |||
336 | cmp esi, PPP_PROTO_ETHERNET |
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337 | je .pppoe |
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338 | |||
339 | .no_ppp: |
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3658 | hidnplayr | 340 | .unsupported: |
341 | push eax |
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6011 | hidnplayr | 342 | call socket_free |
3658 | hidnplayr | 343 | pop eax |
3673 | hidnplayr | 344 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 345 | mov dword[esp+32], -1 |
3545 | hidnplayr | 346 | ret |
347 | |||
3658 | hidnplayr | 348 | .nobuffs: |
3673 | hidnplayr | 349 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 350 | mov dword[esp+32], -1 |
351 | ret |
||
352 | |||
3545 | hidnplayr | 353 | .raw: |
5976 | hidnplayr | 354 | test esi, esi ; IP_PROTO_IP |
3658 | hidnplayr | 355 | jz .raw_ip |
3545 | hidnplayr | 356 | |
357 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 358 | je .raw_icmp |
3545 | hidnplayr | 359 | |
3658 | hidnplayr | 360 | jmp .unsupported |
3545 | hidnplayr | 361 | |
362 | align 4 |
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363 | .udp: |
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5842 | hidnplayr | 364 | push eax |
365 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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366 | pop eax |
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367 | |||
3545 | hidnplayr | 368 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
6011 | hidnplayr | 369 | mov [eax + SOCKET.snd_proc], socket_send_udp |
370 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
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371 | mov [eax + SOCKET.connect_proc], udp_connect |
||
3545 | hidnplayr | 372 | ret |
373 | |||
374 | align 4 |
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375 | .tcp: |
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376 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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6011 | hidnplayr | 377 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
378 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
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379 | mov [eax + SOCKET.connect_proc], tcp_connect |
||
3545 | hidnplayr | 380 | |
6011 | hidnplayr | 381 | tcp_init_socket eax |
3545 | hidnplayr | 382 | ret |
383 | |||
384 | |||
385 | align 4 |
||
3658 | hidnplayr | 386 | .raw_ip: |
5842 | hidnplayr | 387 | push eax |
388 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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389 | pop eax |
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390 | |||
6011 | hidnplayr | 391 | mov [eax + SOCKET.snd_proc], socket_send_ip |
392 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
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393 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 394 | ret |
395 | |||
396 | |||
397 | align 4 |
||
3658 | hidnplayr | 398 | .raw_icmp: |
5842 | hidnplayr | 399 | push eax |
400 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
401 | pop eax |
||
402 | |||
6011 | hidnplayr | 403 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
404 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
405 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 406 | ret |
407 | |||
408 | align 4 |
||
409 | .pppoe: |
||
410 | push eax |
||
411 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
412 | pop eax |
||
413 | |||
6011 | hidnplayr | 414 | mov [eax + SOCKET.snd_proc], socket_send_pppoe |
415 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
3545 | hidnplayr | 416 | ret |
417 | |||
418 | |||
5976 | hidnplayr | 419 | ;-----------------------------------------------------------------; |
420 | ; ; |
||
6011 | hidnplayr | 421 | ; socket_bind: Bind to a local port. ; |
5976 | hidnplayr | 422 | ; ; |
423 | ; IN: ecx = socket number ; |
||
424 | ; edx = pointer to sockaddr struct ; |
||
425 | ; esi = length of sockaddr struct ; |
||
426 | ; ; |
||
427 | ; OUT: eax = 0 on success ; |
||
428 | ; eax = -1 on error ; |
||
429 | ; ebx = errorcode on error ; |
||
430 | ; ; |
||
431 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 432 | align 4 |
6011 | hidnplayr | 433 | socket_bind: |
3545 | hidnplayr | 434 | |
3556 | hidnplayr | 435 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 436 | |
6011 | hidnplayr | 437 | call socket_num_to_ptr |
5969 | hidnplayr | 438 | test eax, eax |
3658 | hidnplayr | 439 | jz .invalid |
3545 | hidnplayr | 440 | |
441 | cmp esi, 2 |
||
3658 | hidnplayr | 442 | jb .invalid |
3545 | hidnplayr | 443 | |
5976 | hidnplayr | 444 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
4052 | hidnplayr | 445 | jnz .invalid |
446 | |||
6011 | hidnplayr | 447 | cmp word[edx], AF_INET4 |
3545 | hidnplayr | 448 | je .af_inet4 |
449 | |||
6011 | hidnplayr | 450 | cmp word[edx], AF_LOCAL |
3545 | hidnplayr | 451 | je .af_local |
452 | |||
3658 | hidnplayr | 453 | .notsupp: |
3673 | hidnplayr | 454 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 455 | mov dword[esp+32], -1 |
456 | ret |
||
3545 | hidnplayr | 457 | |
3658 | hidnplayr | 458 | .invalid: |
3673 | hidnplayr | 459 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 460 | mov dword[esp+32], -1 |
461 | ret |
||
462 | |||
3545 | hidnplayr | 463 | .af_local: |
464 | ; TODO: write code here |
||
3658 | hidnplayr | 465 | mov dword[esp+32], 0 |
3545 | hidnplayr | 466 | ret |
467 | |||
468 | .af_inet4: |
||
469 | cmp esi, 6 |
||
3658 | hidnplayr | 470 | jb .invalid |
3545 | hidnplayr | 471 | |
472 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
473 | je .udp |
||
474 | |||
475 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
476 | je .tcp |
||
477 | |||
3658 | hidnplayr | 478 | jmp .notsupp |
3545 | hidnplayr | 479 | |
480 | .tcp: |
||
481 | .udp: |
||
4052 | hidnplayr | 482 | pushd [edx + 4] ; First, fill in the IP |
483 | popd [eax + IP_SOCKET.LocalIP] |
||
3545 | hidnplayr | 484 | |
4052 | hidnplayr | 485 | mov bx, [edx + 2] ; Did caller specify a local port? |
486 | test bx, bx |
||
487 | jnz .just_check |
||
6011 | hidnplayr | 488 | call socket_find_port ; Nope, find an ephemeral one |
4052 | hidnplayr | 489 | jmp .done |
490 | |||
491 | .just_check: |
||
6011 | hidnplayr | 492 | call socket_check_port ; Yes, check if it's still available |
4052 | hidnplayr | 493 | jz .addrinuse ; ZF is set by socket_check_port on error |
494 | |||
495 | .done: |
||
3556 | hidnplayr | 496 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 497 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
498 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
499 | |||
3658 | hidnplayr | 500 | mov dword[esp+32], 0 |
3545 | hidnplayr | 501 | ret |
502 | |||
3658 | hidnplayr | 503 | .addrinuse: |
504 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 505 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 506 | ret |
3545 | hidnplayr | 507 | |
508 | |||
509 | |||
3658 | hidnplayr | 510 | |
5976 | hidnplayr | 511 | ;-----------------------------------------------------------------; |
512 | ; ; |
||
6011 | hidnplayr | 513 | ; socket_connect: Connect to the remote host. ; |
5976 | hidnplayr | 514 | ; ; |
515 | ; IN: ecx = socket number ; |
||
516 | ; edx = pointer to sockaddr struct ; |
||
517 | ; esi = length of sockaddr struct ; |
||
518 | ; ; |
||
519 | ; OUT: eax = 0 on success ; |
||
520 | ; eax = -1 on error ; |
||
521 | ; ebx = errorcode on error ; |
||
522 | ; ; |
||
523 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 524 | align 4 |
6011 | hidnplayr | 525 | socket_connect: |
3545 | hidnplayr | 526 | |
3556 | hidnplayr | 527 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 528 | |
6011 | hidnplayr | 529 | call socket_num_to_ptr |
5969 | hidnplayr | 530 | test eax, eax |
3658 | hidnplayr | 531 | jz .invalid |
3545 | hidnplayr | 532 | |
533 | cmp esi, 8 |
||
3658 | hidnplayr | 534 | jb .invalid |
3545 | hidnplayr | 535 | |
4025 | hidnplayr | 536 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
537 | je .already |
||
538 | |||
539 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
540 | jnz .notsupp |
||
541 | |||
4030 | hidnplayr | 542 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 543 | |
4030 | hidnplayr | 544 | mov dword[esp+20], ebx |
545 | mov dword[esp+32], eax |
||
546 | ret |
||
547 | |||
548 | |||
3658 | hidnplayr | 549 | .notsupp: |
3673 | hidnplayr | 550 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 551 | mov dword[esp+32], -1 |
552 | ret |
||
3545 | hidnplayr | 553 | |
3658 | hidnplayr | 554 | .invalid: |
3673 | hidnplayr | 555 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 556 | mov dword[esp+32], -1 |
557 | ret |
||
558 | |||
4025 | hidnplayr | 559 | .already: |
560 | mov dword[esp+20], EALREADY |
||
561 | mov dword[esp+32], -1 |
||
562 | ret |
||
563 | |||
564 | |||
4030 | hidnplayr | 565 | connect_notsupp: |
566 | xor eax, eax |
||
567 | dec eax |
||
568 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 569 | ret |
570 | |||
4025 | hidnplayr | 571 | |
5976 | hidnplayr | 572 | ;-----------------------------------------------------------------; |
573 | ; ; |
||
6011 | hidnplayr | 574 | ; socket_listen: Listen for incoming connections. ; |
5976 | hidnplayr | 575 | ; ; |
576 | ; IN: ecx = socket number ; |
||
577 | ; edx = backlog in edx ; |
||
578 | ; ; |
||
579 | ; OUT: eax = 0 on success ; |
||
580 | ; eax = -1 on error ; |
||
581 | ; ebx = errorcode on error ; |
||
582 | ; ; |
||
583 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 584 | align 4 |
6011 | hidnplayr | 585 | socket_listen: |
3545 | hidnplayr | 586 | |
3556 | hidnplayr | 587 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 588 | |
6011 | hidnplayr | 589 | call socket_num_to_ptr |
5969 | hidnplayr | 590 | test eax, eax |
3658 | hidnplayr | 591 | jz .invalid |
3545 | hidnplayr | 592 | |
593 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 594 | jne .notsupp |
3545 | hidnplayr | 595 | |
596 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 597 | jne .invalid |
3545 | hidnplayr | 598 | |
599 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 600 | je .already |
3545 | hidnplayr | 601 | |
602 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
603 | jne @f |
||
3601 | hidnplayr | 604 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 605 | pop [eax + IP_SOCKET.LocalIP] |
606 | @@: |
||
607 | |||
608 | cmp edx, MAX_backlog |
||
609 | jbe @f |
||
610 | mov edx, MAX_backlog |
||
611 | @@: |
||
612 | |||
613 | mov [eax + SOCKET.backlog], dx |
||
614 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
615 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
616 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
617 | |||
618 | push eax |
||
619 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
620 | pop eax |
||
621 | |||
3658 | hidnplayr | 622 | mov dword[esp+32], 0 |
623 | ret |
||
3545 | hidnplayr | 624 | |
3658 | hidnplayr | 625 | .notsupp: |
3673 | hidnplayr | 626 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 627 | mov dword[esp+32], -1 |
3545 | hidnplayr | 628 | ret |
629 | |||
3658 | hidnplayr | 630 | .invalid: |
3673 | hidnplayr | 631 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 632 | mov dword[esp+32], -1 |
633 | ret |
||
3545 | hidnplayr | 634 | |
3658 | hidnplayr | 635 | .already: |
3673 | hidnplayr | 636 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 637 | mov dword[esp+32], -1 |
638 | ret |
||
639 | |||
640 | |||
5976 | hidnplayr | 641 | ;-----------------------------------------------------------------; |
642 | ; ; |
||
6011 | hidnplayr | 643 | ; socket_accept: Accept an incoming connection. ; |
5976 | hidnplayr | 644 | ; ; |
645 | ; IN: ecx = socket number (of listening socket) ; |
||
646 | ; edx = ptr to sockaddr struct ; |
||
647 | ; esi = length of sockaddr struct ; |
||
648 | ; ; |
||
649 | ; OUT: eax = newly created socket num ; |
||
650 | ; eax = -1 on error ; |
||
651 | ; ebx = errorcode on error ; |
||
652 | ; ; |
||
653 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 654 | align 4 |
6011 | hidnplayr | 655 | socket_accept: |
3545 | hidnplayr | 656 | |
3556 | hidnplayr | 657 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 658 | |
6011 | hidnplayr | 659 | call socket_num_to_ptr |
5969 | hidnplayr | 660 | test eax, eax |
3658 | hidnplayr | 661 | jz .invalid |
3545 | hidnplayr | 662 | |
663 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 664 | jz .invalid |
3545 | hidnplayr | 665 | |
666 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 667 | jne .notsupp |
3545 | hidnplayr | 668 | |
669 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 670 | jne .invalid |
3545 | hidnplayr | 671 | |
672 | .loop: |
||
673 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
674 | |||
675 | ; Ok, we got a socket ptr |
||
676 | mov eax, [esi] |
||
677 | |||
5969 | hidnplayr | 678 | ; Verify that it is (still) a valid socket |
6011 | hidnplayr | 679 | call socket_check |
5969 | hidnplayr | 680 | jz .invalid |
681 | |||
682 | ; Change sockets thread owner ID to that of the current thread |
||
3545 | hidnplayr | 683 | mov ebx, [TASK_BASE] |
684 | mov ebx, [ebx + TASKDATA.pid] |
||
685 | mov [eax + SOCKET.TID], ebx |
||
686 | |||
5969 | hidnplayr | 687 | ; Return socket number to caller |
688 | mov eax, [eax + SOCKET.Number] |
||
3545 | hidnplayr | 689 | mov [esp+32], eax |
690 | ret |
||
691 | |||
692 | .block: |
||
693 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 694 | jnz .wouldblock |
3545 | hidnplayr | 695 | |
6011 | hidnplayr | 696 | call socket_block |
3545 | hidnplayr | 697 | jmp .loop |
698 | |||
3658 | hidnplayr | 699 | .wouldblock: |
3673 | hidnplayr | 700 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 701 | mov dword[esp+32], -1 |
702 | ret |
||
703 | |||
704 | .invalid: |
||
3673 | hidnplayr | 705 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 706 | mov dword[esp+32], -1 |
707 | ret |
||
708 | |||
709 | .notsupp: |
||
3673 | hidnplayr | 710 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 711 | mov dword[esp+32], -1 |
712 | ret |
||
713 | |||
5976 | hidnplayr | 714 | ;-----------------------------------------------------------------; |
715 | ; ; |
||
6011 | hidnplayr | 716 | ; socket_close: Close the socket (and connection). ; |
5976 | hidnplayr | 717 | ; ; |
718 | ; IN: ecx = socket number ; |
||
719 | ; ; |
||
720 | ; OUT: eax = 0 on success ; |
||
721 | ; eax = -1 on error ; |
||
722 | ; ebx = errorcode on error ; |
||
723 | ; ; |
||
724 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 725 | align 4 |
6011 | hidnplayr | 726 | socket_close: |
3545 | hidnplayr | 727 | |
3556 | hidnplayr | 728 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 729 | |
6011 | hidnplayr | 730 | call socket_num_to_ptr |
5969 | hidnplayr | 731 | test eax, eax |
3658 | hidnplayr | 732 | jz .invalid |
3545 | hidnplayr | 733 | |
3658 | hidnplayr | 734 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 735 | |
736 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
737 | |||
738 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
739 | jz @f |
||
6011 | hidnplayr | 740 | call socket_notify ; Unblock it. |
3545 | hidnplayr | 741 | @@: |
742 | |||
743 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
744 | jne .free |
||
745 | |||
746 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
747 | je .tcp |
||
748 | |||
749 | .free: |
||
6011 | hidnplayr | 750 | call socket_free |
3545 | hidnplayr | 751 | ret |
752 | |||
753 | .tcp: |
||
6011 | hidnplayr | 754 | call tcp_usrclosed |
3545 | hidnplayr | 755 | |
4366 | hidnplayr | 756 | test eax, eax |
757 | jz @f |
||
6011 | hidnplayr | 758 | call tcp_output ; If connection is not closed yet, send the FIN |
4366 | hidnplayr | 759 | @@: |
3545 | hidnplayr | 760 | ret |
761 | |||
762 | |||
3658 | hidnplayr | 763 | .invalid: |
3673 | hidnplayr | 764 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 765 | mov dword[esp+32], -1 |
766 | ret |
||
767 | |||
768 | |||
5976 | hidnplayr | 769 | ;-----------------------------------------------------------------; |
770 | ; ; |
||
6011 | hidnplayr | 771 | ; socket_receive: Receive some data from the remote end. ; |
5976 | hidnplayr | 772 | ; ; |
773 | ; IN: ecx = socket number ; |
||
774 | ; edx = addr to application buffer ; |
||
775 | ; edx = length of application buffer ; |
||
776 | ; edi = flags ; |
||
777 | ; ; |
||
778 | ; OUT: eax = number of bytes copied ; |
||
779 | ; eax = -1 on error ; |
||
780 | ; eax = 0 when socket has been closed by the remote end ; |
||
781 | ; ebx = errorcode on error ; |
||
782 | ; ; |
||
783 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 784 | align 4 |
6011 | hidnplayr | 785 | socket_receive: |
3545 | hidnplayr | 786 | |
3556 | hidnplayr | 787 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 788 | |
6011 | hidnplayr | 789 | call socket_num_to_ptr |
5969 | hidnplayr | 790 | test eax, eax |
3658 | hidnplayr | 791 | jz .invalid |
3545 | hidnplayr | 792 | |
3704 | hidnplayr | 793 | .loop: |
794 | push edi |
||
3565 | hidnplayr | 795 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 796 | pop edi |
3545 | hidnplayr | 797 | |
4219 | hidnplayr | 798 | test [eax + SOCKET.state], SS_CANTRCVMORE |
5364 | hidnplayr | 799 | jnz .last_data |
4219 | hidnplayr | 800 | |
3704 | hidnplayr | 801 | cmp ebx, EWOULDBLOCK |
802 | jne .return |
||
803 | |||
804 | test edi, MSG_DONTWAIT |
||
805 | jnz .return_err |
||
806 | |||
5976 | hidnplayr | 807 | test [eax + SOCKET.options], SO_NONBLOCK |
808 | jnz .return_err |
||
3704 | hidnplayr | 809 | |
6011 | hidnplayr | 810 | call socket_block |
3704 | hidnplayr | 811 | jmp .loop |
812 | |||
813 | |||
814 | .invalid: |
||
815 | push EINVAL |
||
816 | pop ebx |
||
817 | .return_err: |
||
4219 | hidnplayr | 818 | mov ecx, -1 |
3704 | hidnplayr | 819 | .return: |
3673 | hidnplayr | 820 | mov [esp+20], ebx |
4219 | hidnplayr | 821 | mov [esp+32], ecx |
3565 | hidnplayr | 822 | ret |
3545 | hidnplayr | 823 | |
5364 | hidnplayr | 824 | .last_data: |
825 | test ecx, ecx |
||
826 | jz .return |
||
6011 | hidnplayr | 827 | call socket_notify ; Call me again! |
5364 | hidnplayr | 828 | jmp .return |
3565 | hidnplayr | 829 | |
3658 | hidnplayr | 830 | |
3704 | hidnplayr | 831 | |
832 | |||
3545 | hidnplayr | 833 | align 4 |
6011 | hidnplayr | 834 | socket_receive_dgram: |
3704 | hidnplayr | 835 | |
3556 | hidnplayr | 836 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 837 | |
5976 | hidnplayr | 838 | test edi, MSG_PEEK |
839 | jnz .peek |
||
3545 | hidnplayr | 840 | |
5976 | hidnplayr | 841 | mov ebx, esi ; buffer length |
842 | |||
3704 | hidnplayr | 843 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 844 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 845 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 846 | |
3704 | hidnplayr | 847 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 848 | ja .too_small |
849 | |||
4219 | hidnplayr | 850 | push eax ecx |
3545 | hidnplayr | 851 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
852 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 853 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 854 | |
3704 | hidnplayr | 855 | ; copy the data from kernel buffer to application buffer |
856 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 857 | shr ecx, 1 |
858 | jnc .nb |
||
859 | movsb |
||
860 | .nb: |
||
861 | shr ecx, 1 |
||
862 | jnc .nw |
||
863 | movsw |
||
864 | .nw: |
||
865 | test ecx, ecx |
||
866 | jz .nd |
||
3711 | clevermous | 867 | rep movsd |
3545 | hidnplayr | 868 | .nd: |
869 | |||
6011 | hidnplayr | 870 | call net_buff_free |
4219 | hidnplayr | 871 | pop ecx eax ; return number of bytes copied to application |
5976 | hidnplayr | 872 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
873 | je @f |
||
6011 | hidnplayr | 874 | call socket_notify ; Queue another network event |
5976 | hidnplayr | 875 | @@: |
876 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 877 | ret |
878 | |||
879 | .too_small: |
||
4219 | hidnplayr | 880 | mov ecx, -1 |
3704 | hidnplayr | 881 | push EMSGSIZE |
882 | pop ebx |
||
3565 | hidnplayr | 883 | ret |
3545 | hidnplayr | 884 | |
3658 | hidnplayr | 885 | .wouldblock: |
3704 | hidnplayr | 886 | push EWOULDBLOCK |
887 | pop ebx |
||
3658 | hidnplayr | 888 | ret |
3545 | hidnplayr | 889 | |
5976 | hidnplayr | 890 | .peek: |
891 | xor ebx, ebx |
||
892 | xor ecx, ecx |
||
893 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
||
894 | je @f |
||
895 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
||
896 | mov ecx, [esi + socket_queue_entry.data_size] |
||
897 | @@: |
||
898 | ret |
||
3658 | hidnplayr | 899 | |
3704 | hidnplayr | 900 | |
3545 | hidnplayr | 901 | align 4 |
6011 | hidnplayr | 902 | socket_receive_local: |
3545 | hidnplayr | 903 | |
904 | ; does this socket have a PID yet? |
||
905 | cmp [eax + SOCKET.PID], 0 |
||
906 | jne @f |
||
907 | |||
908 | ; Change PID to that of current process |
||
909 | mov ebx, [TASK_BASE] |
||
910 | mov ebx, [ebx + TASKDATA.pid] |
||
911 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 912 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 913 | @@: |
914 | |||
6011 | hidnplayr | 915 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
3545 | hidnplayr | 916 | |
3704 | hidnplayr | 917 | ; ... continue to SOCKET_receive_stream |
918 | |||
3545 | hidnplayr | 919 | align 4 |
6011 | hidnplayr | 920 | socket_receive_stream: |
3545 | hidnplayr | 921 | |
3556 | hidnplayr | 922 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 923 | |
3704 | hidnplayr | 924 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
925 | je .wouldblock |
||
926 | |||
927 | test edi, MSG_PEEK |
||
928 | jnz .peek |
||
929 | |||
3545 | hidnplayr | 930 | mov ecx, esi |
931 | mov edi, edx |
||
932 | xor edx, edx |
||
933 | |||
4219 | hidnplayr | 934 | push eax |
3545 | hidnplayr | 935 | add eax, STREAM_SOCKET.rcv |
6011 | hidnplayr | 936 | call socket_ring_read ; copy data from kernel buffer to application buffer |
937 | call socket_ring_free ; free read memory |
||
4219 | hidnplayr | 938 | pop eax |
3545 | hidnplayr | 939 | |
5364 | hidnplayr | 940 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
941 | jne .more_data |
||
3704 | hidnplayr | 942 | xor ebx, ebx ; errorcode = 0 (no error) |
3545 | hidnplayr | 943 | ret |
944 | |||
5364 | hidnplayr | 945 | .more_data: |
6011 | hidnplayr | 946 | call socket_notify ; Queue another network event |
5364 | hidnplayr | 947 | xor ebx, ebx ; errorcode = 0 (no error) |
948 | ret |
||
949 | |||
3704 | hidnplayr | 950 | .wouldblock: |
951 | push EWOULDBLOCK |
||
952 | pop ebx |
||
4219 | hidnplayr | 953 | xor ecx, ecx |
3704 | hidnplayr | 954 | ret |
955 | |||
3545 | hidnplayr | 956 | .peek: |
4219 | hidnplayr | 957 | mov ecx, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3704 | hidnplayr | 958 | xor ebx, ebx |
3545 | hidnplayr | 959 | ret |
960 | |||
961 | |||
5976 | hidnplayr | 962 | ;-----------------------------------------------------------------; |
963 | ; ; |
||
6011 | hidnplayr | 964 | ; socket_send: Send some data to the remote end. ; |
5976 | hidnplayr | 965 | ; ; |
966 | ; IN: ecx = socket number ; |
||
967 | ; edx = pointer to data ; |
||
968 | ; esi = data length ; |
||
969 | ; edi = flags ; |
||
970 | ; ; |
||
971 | ; OUT: eax = number of bytes sent ; |
||
972 | ; eax = -1 on error ; |
||
973 | ; ebx = errorcode on error ; |
||
974 | ; ; |
||
975 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 976 | align 4 |
6011 | hidnplayr | 977 | socket_send: |
3545 | hidnplayr | 978 | |
3556 | hidnplayr | 979 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 980 | |
6011 | hidnplayr | 981 | call socket_num_to_ptr |
5969 | hidnplayr | 982 | test eax, eax |
3658 | hidnplayr | 983 | jz .invalid |
3545 | hidnplayr | 984 | |
985 | mov ecx, esi |
||
986 | mov esi, edx |
||
987 | |||
988 | jmp [eax + SOCKET.snd_proc] |
||
989 | |||
3658 | hidnplayr | 990 | .invalid: |
3673 | hidnplayr | 991 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 992 | mov dword[esp+32], -1 |
993 | ret |
||
3545 | hidnplayr | 994 | |
3658 | hidnplayr | 995 | |
3545 | hidnplayr | 996 | align 4 |
6011 | hidnplayr | 997 | socket_send_udp: |
3545 | hidnplayr | 998 | |
3556 | hidnplayr | 999 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 1000 | |
1001 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1002 | call udp_output |
3545 | hidnplayr | 1003 | cmp eax, -1 |
3658 | hidnplayr | 1004 | je .error |
3545 | hidnplayr | 1005 | ret |
1006 | |||
3658 | hidnplayr | 1007 | .error: |
1008 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1009 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 1010 | ret |
3545 | hidnplayr | 1011 | |
3658 | hidnplayr | 1012 | |
3545 | hidnplayr | 1013 | align 4 |
6011 | hidnplayr | 1014 | socket_send_tcp: |
3545 | hidnplayr | 1015 | |
3556 | hidnplayr | 1016 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1017 | |
1018 | push eax |
||
1019 | add eax, STREAM_SOCKET.snd |
||
6011 | hidnplayr | 1020 | call socket_ring_write |
3545 | hidnplayr | 1021 | pop eax |
1022 | |||
1023 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1024 | mov [eax + SOCKET.errorcode], 0 |
1025 | push eax |
||
6011 | hidnplayr | 1026 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
3658 | hidnplayr | 1027 | pop eax |
1028 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 1029 | mov [esp+20], eax |
3545 | hidnplayr | 1030 | ret |
1031 | |||
1032 | |||
1033 | align 4 |
||
6011 | hidnplayr | 1034 | socket_send_ip: |
3545 | hidnplayr | 1035 | |
3556 | hidnplayr | 1036 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1037 | |
1038 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1039 | call ipv4_output_raw |
3545 | hidnplayr | 1040 | cmp eax, -1 |
3658 | hidnplayr | 1041 | je .error |
3545 | hidnplayr | 1042 | ret |
1043 | |||
3658 | hidnplayr | 1044 | .error: |
5842 | hidnplayr | 1045 | mov dword[esp+32], eax |
1046 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1047 | ret |
3545 | hidnplayr | 1048 | |
3658 | hidnplayr | 1049 | |
3545 | hidnplayr | 1050 | align 4 |
6011 | hidnplayr | 1051 | socket_send_icmp: |
3545 | hidnplayr | 1052 | |
3556 | hidnplayr | 1053 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1054 | |
1055 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1056 | call icmp_output_raw |
3545 | hidnplayr | 1057 | cmp eax, -1 |
3658 | hidnplayr | 1058 | je .error |
3545 | hidnplayr | 1059 | ret |
1060 | |||
3658 | hidnplayr | 1061 | .error: |
5842 | hidnplayr | 1062 | mov dword[esp+32], eax |
1063 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1064 | ret |
3545 | hidnplayr | 1065 | |
3658 | hidnplayr | 1066 | |
3545 | hidnplayr | 1067 | align 4 |
6011 | hidnplayr | 1068 | socket_send_pppoe: |
3545 | hidnplayr | 1069 | |
3556 | hidnplayr | 1070 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1071 | |
1072 | mov [esp+32], ecx |
||
1073 | mov ebx, [eax + SOCKET.device] |
||
1074 | |||
6011 | hidnplayr | 1075 | call pppoe_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1076 | cmp eax, -1 |
3658 | hidnplayr | 1077 | je .error |
3545 | hidnplayr | 1078 | ret |
1079 | |||
3658 | hidnplayr | 1080 | .error: |
1081 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1082 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1083 | ret |
3545 | hidnplayr | 1084 | |
1085 | |||
3658 | hidnplayr | 1086 | |
3545 | hidnplayr | 1087 | align 4 |
6011 | hidnplayr | 1088 | socket_send_local: |
3545 | hidnplayr | 1089 | |
1090 | ; does this socket have a PID yet? |
||
1091 | cmp [eax + SOCKET.PID], 0 |
||
1092 | jne @f |
||
1093 | |||
1094 | ; Change PID to that of current process |
||
1095 | mov ebx, [TASK_BASE] |
||
1096 | mov ebx, [ebx + TASKDATA.pid] |
||
1097 | mov [eax + SOCKET.PID], ebx |
||
1098 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1099 | @@: |
||
6011 | hidnplayr | 1100 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
3545 | hidnplayr | 1101 | |
1102 | align 4 |
||
6011 | hidnplayr | 1103 | socket_send_local_initialized: |
3545 | hidnplayr | 1104 | |
3556 | hidnplayr | 1105 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1106 | |
1107 | ; get the other side's socket and check if it still exists |
||
1108 | mov eax, [eax + SOCKET.device] |
||
6011 | hidnplayr | 1109 | call socket_check |
3658 | hidnplayr | 1110 | jz .invalid |
3545 | hidnplayr | 1111 | |
1112 | ; allright, shove in the data! |
||
1113 | push eax |
||
1114 | add eax, STREAM_SOCKET.rcv |
||
6011 | hidnplayr | 1115 | call socket_ring_write |
3545 | hidnplayr | 1116 | pop eax |
1117 | |||
1118 | ; return the number of written bytes (or errorcode) to application |
||
1119 | mov [esp+32], ecx |
||
1120 | |||
1121 | ; and notify the other end |
||
6011 | hidnplayr | 1122 | call socket_notify |
3545 | hidnplayr | 1123 | |
1124 | ret |
||
1125 | |||
3658 | hidnplayr | 1126 | .invalid: |
1127 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1128 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1129 | ret |
3545 | hidnplayr | 1130 | |
3658 | hidnplayr | 1131 | |
5976 | hidnplayr | 1132 | ;-----------------------------------------------------------------; |
1133 | ; ; |
||
6011 | hidnplayr | 1134 | ; socket_get_opt: Read a socket option ; |
5976 | hidnplayr | 1135 | ; ; |
1136 | ; IN: ecx = socket number ; |
||
1137 | ; edx = pointer to socket options struct ; |
||
1138 | ; ; |
||
1139 | ; OUT: eax = 0 on success ; |
||
1140 | ; eax = -1 on error ; |
||
1141 | ; ebx = errorcode on error ; |
||
1142 | ; ; |
||
1143 | ;-----------------------------------------------------------------; |
||
1144 | align 4 |
||
6011 | hidnplayr | 1145 | socket_get_opt: |
5976 | hidnplayr | 1146 | |
1147 | ; FIXME: |
||
3545 | hidnplayr | 1148 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1149 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1150 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1151 | |||
3556 | hidnplayr | 1152 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1153 | |
6011 | hidnplayr | 1154 | call socket_num_to_ptr |
5969 | hidnplayr | 1155 | test eax, eax |
3658 | hidnplayr | 1156 | jz .invalid |
3545 | hidnplayr | 1157 | |
1158 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1159 | jne .invalid |
3545 | hidnplayr | 1160 | cmp dword [edx+4], -2 |
1161 | je @f |
||
1162 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1163 | jne .invalid |
3545 | hidnplayr | 1164 | @@: |
1165 | ; mov eax, [edx+12] |
||
1166 | ; test eax, eax |
||
1167 | ; jz .fail |
||
1168 | ; cmp dword [eax], 4 |
||
1169 | ; mov dword [eax], 4 |
||
1170 | ; jb .fail |
||
1171 | ; stdcall net_socket_num_to_addr, ecx |
||
1172 | ; test eax, eax |
||
1173 | ; jz .fail |
||
1174 | ; ; todo: check that eax is really TCP socket |
||
1175 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1176 | ; cmp dword [edx+4], -2 |
||
1177 | ; jz @f |
||
1178 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1179 | @@: |
||
1180 | mov eax, [edx+8] |
||
1181 | test eax, eax |
||
1182 | jz @f |
||
1183 | mov [eax], ecx |
||
1184 | @@: |
||
1185 | mov dword [esp+32], 0 |
||
1186 | ret |
||
1187 | |||
3658 | hidnplayr | 1188 | .invalid: |
1189 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1190 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1191 | ret |
3545 | hidnplayr | 1192 | |
1193 | |||
5976 | hidnplayr | 1194 | ;-----------------------------------------------------------------; |
1195 | ; ; |
||
6011 | hidnplayr | 1196 | ; socket_set_options: Set a socket option. ; |
5976 | hidnplayr | 1197 | ; ; |
1198 | ; IN: ecx = socket number ; |
||
1199 | ; edx = pointer to socket options struct ; |
||
1200 | ; ; |
||
1201 | ; OUT: eax = 0 on success ; |
||
1202 | ; eax = -1 on error ; |
||
1203 | ; ebx = errorcode on error ; |
||
1204 | ; ; |
||
1205 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1206 | align 4 |
6011 | hidnplayr | 1207 | socket_set_opt: |
3545 | hidnplayr | 1208 | |
3556 | hidnplayr | 1209 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1210 | |
6011 | hidnplayr | 1211 | call socket_num_to_ptr |
5969 | hidnplayr | 1212 | test eax, eax |
3658 | hidnplayr | 1213 | jz .invalid |
3545 | hidnplayr | 1214 | |
5842 | hidnplayr | 1215 | cmp [edx + socket_options.level], IP_PROTO_IP |
1216 | je .ip |
||
1217 | cmp [edx + socket_options.level], SOL_SOCKET |
||
3658 | hidnplayr | 1218 | jne .invalid |
3545 | hidnplayr | 1219 | |
5842 | hidnplayr | 1220 | .socket: |
1221 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
||
1222 | jne .invalid |
||
3545 | hidnplayr | 1223 | |
1224 | .bind: |
||
5842 | hidnplayr | 1225 | cmp [edx + socket_options.optlen], 0 |
3545 | hidnplayr | 1226 | je .unbind |
1227 | |||
5842 | hidnplayr | 1228 | movzx edx, byte[edx + socket_options.optval] |
3600 | hidnplayr | 1229 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1230 | ja .invalid |
3545 | hidnplayr | 1231 | |
1232 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1233 | test edx, edx |
||
3658 | hidnplayr | 1234 | jz .already |
3545 | hidnplayr | 1235 | mov [eax + SOCKET.device], edx |
1236 | |||
5584 | hidnplayr | 1237 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
3545 | hidnplayr | 1238 | |
3658 | hidnplayr | 1239 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1240 | ret |
1241 | |||
1242 | .unbind: |
||
1243 | mov [eax + SOCKET.device], 0 |
||
1244 | |||
3658 | hidnplayr | 1245 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1246 | ret |
1247 | |||
5842 | hidnplayr | 1248 | .ip: |
1249 | cmp [edx + socket_options.optname], IP_TTL |
||
1250 | jne .invalid |
||
1251 | |||
1252 | .ttl: |
||
1253 | mov bl, byte[edx + socket_options.optval] |
||
1254 | mov [eax + IP_SOCKET.ttl], bl |
||
1255 | |||
1256 | mov dword[esp+32], 0 ; success! |
||
1257 | ret |
||
1258 | |||
3658 | hidnplayr | 1259 | .already: |
3673 | hidnplayr | 1260 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1261 | mov dword[esp+32], -1 |
1262 | ret |
||
3545 | hidnplayr | 1263 | |
5842 | hidnplayr | 1264 | .invalid: |
1265 | mov dword[esp+20], EINVAL |
||
1266 | mov dword[esp+32], -1 |
||
1267 | ret |
||
3545 | hidnplayr | 1268 | |
3658 | hidnplayr | 1269 | |
1270 | |||
5842 | hidnplayr | 1271 | |
5976 | hidnplayr | 1272 | ;-----------------------------------------------------------------; |
1273 | ; ; |
||
6011 | hidnplayr | 1274 | ; socket_pair: Allocate a pair of linked local sockets. ; |
5976 | hidnplayr | 1275 | ; ; |
1276 | ; IN: / ; |
||
1277 | ; ; |
||
1278 | ; OUT: eax = socket1 num on success ; |
||
1279 | ; eax = -1 on error ; |
||
1280 | ; ebx = socket2 num on success ; |
||
1281 | ; ebx = errorcode on error ; |
||
1282 | ; ; |
||
1283 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1284 | align 4 |
6011 | hidnplayr | 1285 | socket_pair: |
3545 | hidnplayr | 1286 | |
3556 | hidnplayr | 1287 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1288 | |
6011 | hidnplayr | 1289 | call socket_alloc |
4535 | hidnplayr | 1290 | test eax, eax |
3658 | hidnplayr | 1291 | jz .nomem1 |
3545 | hidnplayr | 1292 | mov [esp+32], edi ; application's eax |
1293 | |||
1294 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1295 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1296 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1297 | mov [eax + SOCKET.snd_proc], socket_send_local |
1298 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1299 | mov [eax + SOCKET.PID], 0 |
1300 | mov ebx, eax |
||
1301 | |||
6011 | hidnplayr | 1302 | call socket_alloc |
4535 | hidnplayr | 1303 | test eax, eax |
3658 | hidnplayr | 1304 | jz .nomem2 |
3673 | hidnplayr | 1305 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1306 | |
1307 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1308 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1309 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1310 | mov [eax + SOCKET.snd_proc], socket_send_local |
1311 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1312 | mov [eax + SOCKET.PID], 0 |
1313 | |||
1314 | ; Link the two sockets to eachother |
||
1315 | mov [eax + SOCKET.device], ebx |
||
1316 | mov [ebx + SOCKET.device], eax |
||
1317 | |||
1318 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1319 | call socket_ring_create |
5155 | hidnplayr | 1320 | test eax, eax |
5969 | hidnplayr | 1321 | jz .nomem2 |
3545 | hidnplayr | 1322 | |
1323 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1324 | call socket_ring_create |
5155 | hidnplayr | 1325 | test eax, eax |
1326 | jz .nomem2 |
||
3545 | hidnplayr | 1327 | |
1328 | ret |
||
1329 | |||
3658 | hidnplayr | 1330 | .nomem2: |
5969 | hidnplayr | 1331 | mov eax, [esp+20] |
6011 | hidnplayr | 1332 | call socket_free |
5969 | hidnplayr | 1333 | |
3658 | hidnplayr | 1334 | .nomem1: |
5969 | hidnplayr | 1335 | mov eax, [esp+32] |
6011 | hidnplayr | 1336 | call socket_free |
5969 | hidnplayr | 1337 | |
3658 | hidnplayr | 1338 | mov dword[esp+32], -1 |
5969 | hidnplayr | 1339 | mov dword[esp+20], ENOMEM |
3658 | hidnplayr | 1340 | ret |
3545 | hidnplayr | 1341 | |
1342 | |||
1343 | |||
5976 | hidnplayr | 1344 | ;-----------------------------------------------------------------; |
1345 | ; ; |
||
6011 | hidnplayr | 1346 | ; socket_debug: Copy socket variables to application buffer. ; |
5976 | hidnplayr | 1347 | ; ; |
1348 | ; IN: ecx = socket number ; |
||
1349 | ; edx = pointer to application buffer ; |
||
1350 | ; ; |
||
1351 | ; OUT: eax = 0 on success ; |
||
1352 | ; eax = -1 on error ; |
||
1353 | ; ebx = errorcode on error ; |
||
1354 | ; ; |
||
1355 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1356 | align 4 |
6011 | hidnplayr | 1357 | socket_debug: |
3545 | hidnplayr | 1358 | |
3556 | hidnplayr | 1359 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1360 | |
1361 | mov edi, edx |
||
1362 | |||
1363 | test ecx, ecx |
||
1364 | jz .returnall |
||
1365 | |||
6011 | hidnplayr | 1366 | call socket_num_to_ptr |
5969 | hidnplayr | 1367 | test eax, eax |
3658 | hidnplayr | 1368 | jz .invalid |
3545 | hidnplayr | 1369 | |
1370 | mov esi, eax |
||
6413 | hidnplayr | 1371 | mov ecx, SOCKET_STRUCT_SIZE/4 |
3711 | clevermous | 1372 | rep movsd |
3545 | hidnplayr | 1373 | |
3658 | hidnplayr | 1374 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1375 | ret |
1376 | |||
1377 | .returnall: |
||
1378 | mov ebx, net_sockets |
||
1379 | .next_socket: |
||
1380 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1381 | test ebx, ebx |
||
1382 | jz .done |
||
1383 | mov eax, [ebx + SOCKET.Number] |
||
1384 | stosd |
||
1385 | jmp .next_socket |
||
1386 | .done: |
||
1387 | xor eax, eax |
||
1388 | stosd |
||
3658 | hidnplayr | 1389 | mov dword[esp+32], eax |
1390 | ret |
||
3545 | hidnplayr | 1391 | |
3658 | hidnplayr | 1392 | .invalid: |
1393 | mov dword[esp+32], -1 |
||
5969 | hidnplayr | 1394 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 1395 | ret |
1396 | |||
1397 | |||
5976 | hidnplayr | 1398 | ;-----------------------------------------------------------------; |
1399 | ; ____ ____ ; |
||
1400 | ; \ / End of sockets API \ / ; |
||
1401 | ; \/ \/ ; |
||
1402 | ; () Internally used functions follow () ; |
||
1403 | ; ; |
||
1404 | ;-----------------------------------------------------------------; |
||
1405 | |||
1406 | |||
1407 | ;-----------------------------------------------------------------; |
||
1408 | ; ; |
||
6011 | hidnplayr | 1409 | ; socket_find_port: ; |
5976 | hidnplayr | 1410 | ; Fill in the local port number for TCP and UDP sockets ; |
1411 | ; This procedure always works because the number of sockets is ; |
||
1412 | ; limited to a smaller number then the number of possible ports ; |
||
1413 | ; ; |
||
1414 | ; IN: eax = socket pointer ; |
||
1415 | ; ; |
||
1416 | ; OUT: / ; |
||
1417 | ; ; |
||
1418 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1419 | align 4 |
6011 | hidnplayr | 1420 | socket_find_port: |
3545 | hidnplayr | 1421 | |
3556 | hidnplayr | 1422 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1423 | |
1424 | push ebx esi ecx |
||
1425 | |||
1426 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1427 | je .udp |
||
1428 | |||
1429 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1430 | je .tcp |
||
1431 | |||
1432 | pop ecx esi ebx |
||
1433 | ret |
||
1434 | |||
1435 | .udp: |
||
1436 | mov bx, [last_UDP_port] |
||
1437 | call .findit |
||
1438 | mov [last_UDP_port], bx |
||
1439 | |||
1440 | pop ecx esi ebx |
||
1441 | ret |
||
1442 | |||
1443 | .tcp: |
||
1444 | mov bx, [last_TCP_port] |
||
1445 | call .findit |
||
1446 | mov [last_TCP_port], bx |
||
1447 | |||
1448 | pop ecx esi ebx |
||
1449 | ret |
||
1450 | |||
1451 | |||
1452 | .restart: |
||
1453 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1454 | .findit: |
||
1455 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1456 | je .restart |
||
1457 | |||
1458 | add bh, 1 |
||
1459 | adc bl, 0 |
||
1460 | |||
6011 | hidnplayr | 1461 | call socket_check_port |
3545 | hidnplayr | 1462 | jz .findit |
1463 | ret |
||
1464 | |||
1465 | |||
1466 | |||
5976 | hidnplayr | 1467 | ;-----------------------------------------------------------------; |
1468 | ; ; |
||
6011 | hidnplayr | 1469 | ; socket_check_port: (to be used with AF_INET only!) ; |
5976 | hidnplayr | 1470 | ; Checks if a local port number is unused ; |
1471 | ; If the proposed port number is unused, it is filled in in the ; |
||
6011 | hidnplayr | 1472 | ; socket structure. ; |
5976 | hidnplayr | 1473 | ; ; |
1474 | ; IN: eax = socket ptr ; |
||
1475 | ; bx = proposed socket number (network byte order) ; |
||
1476 | ; ; |
||
1477 | ; OUT: ZF = set on error ; |
||
1478 | ; ; |
||
1479 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1480 | align 4 |
6011 | hidnplayr | 1481 | socket_check_port: |
3545 | hidnplayr | 1482 | |
3556 | hidnplayr | 1483 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1484 | |
3647 | hidnplayr | 1485 | pusha |
1486 | mov ecx, socket_mutex |
||
1487 | call mutex_lock |
||
1488 | popa |
||
1489 | |||
3545 | hidnplayr | 1490 | mov ecx, [eax + SOCKET.Protocol] |
1491 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1492 | mov esi, net_sockets |
||
1493 | |||
1494 | .next_socket: |
||
1495 | mov esi, [esi + SOCKET.NextPtr] |
||
1496 | or esi, esi |
||
1497 | jz .port_ok |
||
1498 | |||
1499 | cmp [esi + SOCKET.Protocol], ecx |
||
1500 | jne .next_socket |
||
1501 | |||
1502 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1503 | jne .next_socket |
||
1504 | |||
1505 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1506 | jne .next_socket |
||
1507 | |||
3647 | hidnplayr | 1508 | pusha |
1509 | mov ecx, socket_mutex |
||
1510 | call mutex_unlock |
||
1511 | popa |
||
1512 | |||
3556 | hidnplayr | 1513 | 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 | 1514 | ret |
1515 | |||
1516 | .port_ok: |
||
3647 | hidnplayr | 1517 | pusha |
1518 | mov ecx, socket_mutex |
||
1519 | call mutex_unlock |
||
1520 | popa |
||
1521 | |||
3556 | hidnplayr | 1522 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1523 | mov [eax + UDP_SOCKET.LocalPort], bx |
1524 | or bx, bx ; clear the zero-flag |
||
1525 | ret |
||
1526 | |||
1527 | |||
1528 | |||
5976 | hidnplayr | 1529 | ;-----------------------------------------------------------------; |
1530 | ; ; |
||
6011 | hidnplayr | 1531 | ; socket_input: Update a (stateless) socket with received data. ; |
5976 | hidnplayr | 1532 | ; ; |
1533 | ; Note: The socket's mutex should already be set ! ; |
||
1534 | ; ; |
||
1535 | ; IN: eax = socket ptr ; |
||
1536 | ; ecx = data size ; |
||
1537 | ; esi = ptr to data ; |
||
1538 | ; [esp] = ptr to buf ; |
||
1539 | ; ; |
||
1540 | ; OUT: / ; |
||
1541 | ; ; |
||
1542 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1543 | align 4 |
6011 | hidnplayr | 1544 | socket_input: |
3545 | hidnplayr | 1545 | |
3556 | hidnplayr | 1546 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1547 | |
5522 | hidnplayr | 1548 | push ecx |
3545 | hidnplayr | 1549 | push esi |
1550 | mov esi, esp |
||
1551 | |||
6011 | hidnplayr | 1552 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
3545 | hidnplayr | 1553 | |
3556 | hidnplayr | 1554 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1555 | add esp, sizeof.socket_queue_entry |
1556 | |||
1557 | pusha |
||
1558 | lea ecx, [eax + SOCKET.mutex] |
||
1559 | call mutex_unlock |
||
1560 | popa |
||
1561 | |||
6011 | hidnplayr | 1562 | jmp socket_notify |
3545 | hidnplayr | 1563 | |
1564 | .full: |
||
3556 | hidnplayr | 1565 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1566 | |
1567 | pusha |
||
1568 | lea ecx, [eax + SOCKET.mutex] |
||
1569 | call mutex_unlock |
||
1570 | popa |
||
1571 | |||
5842 | hidnplayr | 1572 | add esp, 8 |
6011 | hidnplayr | 1573 | call net_buff_free |
3545 | hidnplayr | 1574 | ret |
1575 | |||
1576 | |||
5976 | hidnplayr | 1577 | ;-----------------------------------------------------------------; |
1578 | ; ; |
||
6011 | hidnplayr | 1579 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
5976 | hidnplayr | 1580 | ; ; |
1581 | ; IN: eax = ptr to ring struct ; |
||
1582 | ; ; |
||
1583 | ; OUT: eax = 0 on error ; |
||
1584 | ; eax = start ptr ; |
||
1585 | ; ; |
||
1586 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1587 | align 4 |
6011 | hidnplayr | 1588 | socket_ring_create: |
3545 | hidnplayr | 1589 | |
1590 | push esi |
||
1591 | mov esi, eax |
||
1592 | |||
1593 | push edx |
||
6413 | hidnplayr | 1594 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
3545 | hidnplayr | 1595 | pop edx |
5155 | hidnplayr | 1596 | test eax, eax |
1597 | jz .fail |
||
3545 | hidnplayr | 1598 | |
5969 | hidnplayr | 1599 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
3545 | hidnplayr | 1600 | |
1601 | pusha |
||
1602 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1603 | call mutex_init |
||
1604 | popa |
||
1605 | |||
1606 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1607 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1608 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1609 | mov [esi + RING_BUFFER.size], 0 |
||
6413 | hidnplayr | 1610 | add eax, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1611 | mov [esi + RING_BUFFER.end_ptr], eax |
1612 | mov eax, esi |
||
1613 | |||
5969 | hidnplayr | 1614 | pop esi |
1615 | ret |
||
1616 | |||
5155 | hidnplayr | 1617 | .fail: |
5969 | hidnplayr | 1618 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
5566 | hidnplayr | 1619 | pop esi |
3545 | hidnplayr | 1620 | ret |
1621 | |||
5976 | hidnplayr | 1622 | ;-----------------------------------------------------------------; |
1623 | ; ; |
||
6011 | hidnplayr | 1624 | ; socket_ring_write: Write data to ring buffer. ; |
5976 | hidnplayr | 1625 | ; ; |
1626 | ; IN: eax = ptr to ring struct ; |
||
1627 | ; ecx = data size ; |
||
1628 | ; esi = ptr to data ; |
||
1629 | ; ; |
||
1630 | ; OUT: ecx = number of bytes stored ; |
||
1631 | ; ; |
||
1632 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1633 | align 4 |
6011 | hidnplayr | 1634 | socket_ring_write: |
3545 | hidnplayr | 1635 | |
3556 | hidnplayr | 1636 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1637 | |
1638 | ; lock mutex |
||
1639 | pusha |
||
1640 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1641 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1642 | popa |
||
1643 | |||
1644 | ; calculate available size |
||
6413 | hidnplayr | 1645 | mov edi, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1646 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1647 | cmp ecx, edi |
||
1648 | jbe .copy |
||
1649 | mov ecx, edi |
||
1650 | .copy: |
||
1651 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1652 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1653 | |
1654 | ; update write ptr |
||
1655 | push edi |
||
1656 | add edi, ecx |
||
1657 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1658 | jb @f |
||
6413 | hidnplayr | 1659 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
3545 | hidnplayr | 1660 | @@: |
5155 | hidnplayr | 1661 | |
3545 | hidnplayr | 1662 | mov [eax + RING_BUFFER.write_ptr], edi |
1663 | pop edi |
||
1664 | |||
1665 | ; update size |
||
1666 | add [eax + RING_BUFFER.size], ecx |
||
1667 | |||
1668 | ; copy the data |
||
1669 | push ecx |
||
1670 | shr ecx, 1 |
||
1671 | jnc .nb |
||
1672 | movsb |
||
1673 | .nb: |
||
1674 | shr ecx, 1 |
||
1675 | jnc .nw |
||
1676 | movsw |
||
1677 | .nw: |
||
1678 | test ecx, ecx |
||
1679 | jz .nd |
||
3711 | clevermous | 1680 | rep movsd |
3545 | hidnplayr | 1681 | .nd: |
1682 | pop ecx |
||
1683 | |||
1684 | ; unlock mutex |
||
4344 | hidnplayr | 1685 | pusha |
3545 | hidnplayr | 1686 | lea ecx, [eax + RING_BUFFER.mutex] |
1687 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
4344 | hidnplayr | 1688 | popa |
3545 | hidnplayr | 1689 | |
1690 | ret |
||
1691 | |||
5976 | hidnplayr | 1692 | ;-----------------------------------------------------------------; |
1693 | ; ; |
||
6011 | hidnplayr | 1694 | ; socket_ring_read: Read from ring buffer ; |
5976 | hidnplayr | 1695 | ; ; |
1696 | ; IN: eax = ring struct ptr ; |
||
1697 | ; ecx = bytes to read ; |
||
1698 | ; edx = offset ; |
||
1699 | ; edi = ptr to buffer start ; |
||
1700 | ; ; |
||
1701 | ; OUT: eax = unchanged ; |
||
1702 | ; ecx = number of bytes read (0 on error) ; |
||
1703 | ; edx = destroyed ; |
||
1704 | ; esi = destroyed ; |
||
1705 | ; edi = ptr to buffer end ; |
||
1706 | ; ; |
||
1707 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1708 | align 4 |
6011 | hidnplayr | 1709 | socket_ring_read: |
3545 | hidnplayr | 1710 | |
3556 | hidnplayr | 1711 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1712 | |
1713 | pusha |
||
1714 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1715 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1716 | popa |
||
1717 | |||
1718 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1719 | add esi, edx ; esi = start_ptr + offset |
||
1720 | |||
1721 | neg edx |
||
1722 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1723 | jle .no_data_at_all |
||
1724 | |||
1725 | pusha |
||
1726 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1727 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1728 | popa |
||
1729 | |||
1730 | cmp ecx, edx |
||
1731 | ja .less_data |
||
1732 | |||
1733 | .copy: |
||
3556 | hidnplayr | 1734 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1735 | push ecx |
1736 | shr ecx, 1 |
||
1737 | jnc .nb |
||
1738 | movsb |
||
1739 | .nb: |
||
1740 | shr ecx, 1 |
||
1741 | jnc .nw |
||
1742 | movsw |
||
1743 | .nw: |
||
1744 | test ecx, ecx |
||
1745 | jz .nd |
||
3711 | clevermous | 1746 | rep movsd |
3545 | hidnplayr | 1747 | .nd: |
1748 | pop ecx |
||
1749 | ret |
||
1750 | |||
1751 | .no_data_at_all: |
||
1752 | pusha |
||
1753 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1754 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1755 | popa |
||
1756 | |||
3556 | hidnplayr | 1757 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1758 | xor ecx, ecx |
1759 | ret |
||
1760 | |||
1761 | .less_data: |
||
1762 | mov ecx, edx |
||
1763 | jmp .copy |
||
1764 | |||
1765 | |||
5976 | hidnplayr | 1766 | ;-----------------------------------------------------------------; |
1767 | ; ; |
||
6011 | hidnplayr | 1768 | ; socket_ring_free: Free data from a ringbuffer. ; |
5976 | hidnplayr | 1769 | ; ; |
1770 | ; IN: eax = ptr to ring struct ; |
||
1771 | ; ecx = data size ; |
||
1772 | ; ; |
||
1773 | ; OUT: ecx = number of freed bytes ; |
||
1774 | ; ; |
||
1775 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1776 | align 4 |
6011 | hidnplayr | 1777 | socket_ring_free: |
3545 | hidnplayr | 1778 | |
3556 | hidnplayr | 1779 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1780 | |
1781 | push eax ecx |
||
1782 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1783 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1784 | pop ecx eax |
||
1785 | |||
1786 | sub [eax + RING_BUFFER.size], ecx |
||
1787 | jb .error |
||
1788 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1789 | |||
1790 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1791 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1792 | jb @f |
||
6413 | hidnplayr | 1793 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1794 | @@: |
1795 | |||
1796 | push eax ecx |
||
1797 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1798 | call mutex_unlock |
||
1799 | pop ecx eax |
||
1800 | |||
1801 | ret |
||
1802 | |||
1803 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1804 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1805 | add [eax + RING_BUFFER.size], ecx |
1806 | |||
1807 | push eax |
||
1808 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1809 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1810 | pop eax |
||
1811 | |||
1812 | xor ecx, ecx |
||
1813 | ret |
||
1814 | |||
1815 | |||
5976 | hidnplayr | 1816 | ;-----------------------------------------------------------------; |
1817 | ; ; |
||
6011 | hidnplayr | 1818 | ; socket_block: Suspend the thread attached to a socket. ; |
5976 | hidnplayr | 1819 | ; ; |
1820 | ; IN: eax = socket ptr ; |
||
1821 | ; ; |
||
1822 | ; OUT: eax = unchanged ; |
||
1823 | ; ; |
||
1824 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1825 | align 4 |
6011 | hidnplayr | 1826 | socket_block: |
3545 | hidnplayr | 1827 | |
3556 | hidnplayr | 1828 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1829 | |
4520 | hidnplayr | 1830 | push eax |
1831 | |||
3545 | hidnplayr | 1832 | pushf |
1833 | cli |
||
1834 | |||
1835 | ; Set the 'socket is blocked' flag |
||
1836 | or [eax + SOCKET.state], SS_BLOCKED |
||
1837 | |||
1838 | ; Suspend the thread |
||
1839 | push edx |
||
1840 | mov edx, [TASK_BASE] |
||
1841 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1842 | |||
1843 | ; Remember the thread ID so we can wake it up again |
||
1844 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1845 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1846 | mov [eax + SOCKET.TID], edx |
1847 | pop edx |
||
4520 | hidnplayr | 1848 | popf |
3545 | hidnplayr | 1849 | |
1850 | call change_task |
||
3674 | hidnplayr | 1851 | pop eax |
3545 | hidnplayr | 1852 | |
4520 | hidnplayr | 1853 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
3545 | hidnplayr | 1854 | |
1855 | ret |
||
1856 | |||
1857 | |||
5976 | hidnplayr | 1858 | ;-----------------------------------------------------------------; |
1859 | ; ; |
||
6011 | hidnplayr | 1860 | ; socket_notify: Wake up socket owner thread. ; |
5976 | hidnplayr | 1861 | ; ; |
1862 | ; IN: eax = socket ptr ; |
||
1863 | ; ; |
||
1864 | ; OUT: eax = unchanged ; |
||
1865 | ; ; |
||
1866 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1867 | align 4 |
6011 | hidnplayr | 1868 | socket_notify: |
3545 | hidnplayr | 1869 | |
3556 | hidnplayr | 1870 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1871 | |
6011 | hidnplayr | 1872 | call socket_check |
3545 | hidnplayr | 1873 | jz .error |
1874 | |||
4527 | hidnplayr | 1875 | ; Find the associated thread's TASK_DATA |
1876 | push ebx ecx esi |
||
1877 | mov ebx, [eax + SOCKET.TID] |
||
1878 | test ebx, ebx |
||
1879 | jz .error2 |
||
1880 | xor ecx, ecx |
||
3545 | hidnplayr | 1881 | inc ecx |
4527 | hidnplayr | 1882 | mov esi, TASK_DATA |
1883 | .next: |
||
1884 | cmp [esi + TASKDATA.pid], ebx |
||
1885 | je .found |
||
1886 | inc ecx |
||
3545 | hidnplayr | 1887 | add esi, 0x20 |
1888 | cmp ecx, [TASK_COUNT] |
||
4527 | hidnplayr | 1889 | jbe .next |
1890 | |||
1891 | .error2: |
||
3545 | hidnplayr | 1892 | ; PID not found, TODO: close socket! |
4527 | hidnplayr | 1893 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1894 | pop esi ecx ebx |
||
1895 | ret |
||
3545 | hidnplayr | 1896 | |
4527 | hidnplayr | 1897 | .error: |
4528 | hidnplayr | 1898 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
4527 | hidnplayr | 1899 | ret |
1900 | |||
1901 | .found: |
||
1902 | test [eax + SOCKET.state], SS_BLOCKED |
||
4528 | hidnplayr | 1903 | jnz .un_block |
4527 | hidnplayr | 1904 | |
5976 | hidnplayr | 1905 | ; Socket and thread exists and socket is of non blocking type. |
4527 | hidnplayr | 1906 | ; We'll try to flag an event to the thread. |
3545 | hidnplayr | 1907 | shl ecx, 8 |
6413 | hidnplayr | 1908 | or [SLOT_BASE + ecx + APPDATA.event_mask], EVENT_NETWORK |
3545 | hidnplayr | 1909 | |
6413 | hidnplayr | 1910 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
4527 | hidnplayr | 1911 | pop esi ecx ebx |
1912 | ret |
||
3545 | hidnplayr | 1913 | |
4527 | hidnplayr | 1914 | |
4528 | hidnplayr | 1915 | .un_block: |
5976 | hidnplayr | 1916 | ; Socket and thread exists and socket is of blocking type |
4527 | hidnplayr | 1917 | ; We'll try to unblock it. |
1918 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
||
1919 | mov [esi + TASKDATA.state], 0 ; Run the thread |
||
3545 | hidnplayr | 1920 | |
3556 | hidnplayr | 1921 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
4527 | hidnplayr | 1922 | pop esi ecx ebx |
3545 | hidnplayr | 1923 | ret |
1924 | |||
1925 | |||
5976 | hidnplayr | 1926 | ;-----------------------------------------------------------------; |
1927 | ; ; |
||
6011 | hidnplayr | 1928 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1929 | ; into the list. Newly created socket is initialized with calling ; |
||
1930 | ; PID and given a socket number. ; |
||
5976 | hidnplayr | 1931 | ; ; |
1932 | ; IN: / ; |
||
1933 | ; ; |
||
1934 | ; OUT: eax = socket ptr on success ; |
||
1935 | ; eax = 0 on error ; |
||
1936 | ; edi = socket number on success ; |
||
1937 | ; ; |
||
1938 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1939 | align 4 |
6011 | hidnplayr | 1940 | socket_alloc: |
3545 | hidnplayr | 1941 | |
1942 | push ebx |
||
1943 | |||
6413 | hidnplayr | 1944 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
5969 | hidnplayr | 1945 | or eax, eax |
1946 | jz .nomem |
||
3556 | hidnplayr | 1947 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1948 | |
1949 | ; zero-initialize allocated memory |
||
1950 | push eax |
||
1951 | mov edi, eax |
||
6413 | hidnplayr | 1952 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
3545 | hidnplayr | 1953 | xor eax, eax |
3711 | clevermous | 1954 | rep stosd |
3545 | hidnplayr | 1955 | pop eax |
1956 | |||
1957 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1958 | mov [eax + SOCKET.snd_proc], .not_yet |
1959 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1960 | |
3647 | hidnplayr | 1961 | pusha |
1962 | mov ecx, socket_mutex |
||
1963 | call mutex_lock |
||
1964 | popa |
||
1965 | |||
3545 | hidnplayr | 1966 | ; find first free socket number and use it |
1967 | mov edi, [last_socket_num] |
||
1968 | .next_socket_number: |
||
1969 | inc edi |
||
1970 | jz .next_socket_number ; avoid socket nr 0 |
||
1971 | cmp edi, -1 |
||
1972 | je .next_socket_number ; avoid socket nr -1 |
||
1973 | mov ebx, net_sockets |
||
1974 | .next_socket: |
||
1975 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1976 | test ebx, ebx |
||
1977 | jz .last_socket |
||
1978 | |||
1979 | cmp [ebx + SOCKET.Number], edi |
||
1980 | jne .next_socket |
||
1981 | jmp .next_socket_number |
||
1982 | |||
1983 | .last_socket: |
||
1984 | mov [last_socket_num], edi |
||
1985 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1986 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1987 | |
1988 | ; Fill in PID |
||
1989 | mov ebx, [TASK_BASE] |
||
1990 | mov ebx, [ebx + TASKDATA.pid] |
||
1991 | mov [eax + SOCKET.PID], ebx |
||
1992 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1993 | |||
1994 | ; init mutex |
||
1995 | pusha |
||
1996 | lea ecx, [eax + SOCKET.mutex] |
||
1997 | call mutex_init |
||
1998 | popa |
||
1999 | |||
2000 | ; add socket to the list by re-arranging some pointers |
||
2001 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2002 | |||
2003 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2004 | mov [eax + SOCKET.NextPtr], ebx |
||
2005 | |||
2006 | test ebx, ebx |
||
2007 | jz @f |
||
2008 | |||
2009 | pusha |
||
2010 | lea ecx, [ebx + SOCKET.mutex] |
||
2011 | call mutex_lock |
||
2012 | popa |
||
2013 | |||
2014 | mov [ebx + SOCKET.PrevPtr], eax |
||
2015 | |||
2016 | pusha |
||
2017 | lea ecx, [ebx + SOCKET.mutex] |
||
2018 | call mutex_unlock |
||
2019 | popa |
||
2020 | @@: |
||
2021 | |||
2022 | mov [net_sockets + SOCKET.NextPtr], eax |
||
3647 | hidnplayr | 2023 | |
2024 | pusha |
||
2025 | mov ecx, socket_mutex |
||
2026 | call mutex_unlock |
||
2027 | popa |
||
3545 | hidnplayr | 2028 | pop ebx |
2029 | |||
2030 | ret |
||
2031 | |||
5969 | hidnplayr | 2032 | .nomem: |
2033 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
||
2034 | pop ebx |
||
2035 | ret |
||
2036 | |||
3658 | hidnplayr | 2037 | .not_yet: |
3673 | hidnplayr | 2038 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2039 | mov dword[esp+32], -1 |
2040 | ret |
||
3545 | hidnplayr | 2041 | |
3658 | hidnplayr | 2042 | |
5976 | hidnplayr | 2043 | ;-----------------------------------------------------------------; |
2044 | ; ; |
||
6011 | hidnplayr | 2045 | ; socket_free: Free socket data memory and remove socket from ; |
2046 | ; the list. Caller should lock and unlock socket_mutex. ; |
||
5976 | hidnplayr | 2047 | ; ; |
2048 | ; IN: eax = socket ptr ; |
||
2049 | ; ; |
||
2050 | ; OUT: / ; |
||
2051 | ; ; |
||
2052 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2053 | align 4 |
6011 | hidnplayr | 2054 | socket_free: |
3545 | hidnplayr | 2055 | |
3556 | hidnplayr | 2056 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2057 | |
6011 | hidnplayr | 2058 | call socket_check |
3545 | hidnplayr | 2059 | jz .error |
2060 | |||
2061 | push ebx |
||
2062 | |||
2063 | pusha |
||
2064 | lea ecx, [eax + SOCKET.mutex] |
||
2065 | call mutex_lock |
||
2066 | popa |
||
2067 | |||
5969 | hidnplayr | 2068 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2069 | jne .no_stream |
||
3545 | hidnplayr | 2070 | |
2071 | mov ebx, eax |
||
5969 | hidnplayr | 2072 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2073 | je @f |
||
2074 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
||
2075 | @@: |
||
2076 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
||
2077 | je @f |
||
2078 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2079 | @@: |
||
3545 | hidnplayr | 2080 | mov eax, ebx |
5969 | hidnplayr | 2081 | .no_stream: |
3545 | hidnplayr | 2082 | |
3652 | hidnplayr | 2083 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2084 | push eax ; this will be passed to kernel_free |
2085 | mov ebx, [eax + SOCKET.NextPtr] |
||
2086 | mov eax, [eax + SOCKET.PrevPtr] |
||
2087 | |||
3556 | hidnplayr | 2088 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2089 | |
2090 | test eax, eax |
||
2091 | jz @f |
||
2092 | mov [eax + SOCKET.NextPtr], ebx |
||
2093 | @@: |
||
2094 | |||
2095 | test ebx, ebx |
||
2096 | jz @f |
||
2097 | mov [ebx + SOCKET.PrevPtr], eax |
||
2098 | @@: |
||
2099 | |||
2100 | call kernel_free |
||
2101 | pop ebx |
||
2102 | |||
3652 | hidnplayr | 2103 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2104 | |||
2105 | .error: |
||
3545 | hidnplayr | 2106 | ret |
2107 | |||
5969 | hidnplayr | 2108 | .error1: |
2109 | pop ebx |
||
5976 | hidnplayr | 2110 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
5969 | hidnplayr | 2111 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2112 | ret |
||
2113 | |||
5976 | hidnplayr | 2114 | ;-----------------------------------------------------------------; |
2115 | ; ; |
||
6011 | hidnplayr | 2116 | ; socket_fork: Create a child socket. ; |
5976 | hidnplayr | 2117 | ; ; |
2118 | ; IN: ebx = socket number ; |
||
2119 | ; ; |
||
2120 | ; OUT: eax = child socket number on success ; |
||
2121 | ; eax = 0 on error ; |
||
2122 | ; ; |
||
2123 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2124 | align 4 |
6011 | hidnplayr | 2125 | socket_fork: |
3545 | hidnplayr | 2126 | |
3556 | hidnplayr | 2127 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2128 | |
2129 | ; Exit if backlog queue is full |
||
2130 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2131 | cmp ax, [ebx + SOCKET.backlog] |
||
2132 | jae .fail |
||
2133 | |||
2134 | ; Allocate new socket |
||
2135 | push ebx |
||
6011 | hidnplayr | 2136 | call socket_alloc |
3545 | hidnplayr | 2137 | pop ebx |
4535 | hidnplayr | 2138 | test eax, eax |
3545 | hidnplayr | 2139 | jz .fail |
2140 | |||
2141 | push eax |
||
2142 | mov esi, esp |
||
2143 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2144 | pop eax |
||
2145 | |||
2146 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2147 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2148 | ; TID will be filled in later |
||
3545 | hidnplayr | 2149 | lea esi, [ebx + SOCKET.PID] |
2150 | lea edi, [eax + SOCKET.PID] |
||
2151 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2152 | rep movsd |
3545 | hidnplayr | 2153 | |
2154 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2155 | |||
3817 | hidnplayr | 2156 | ; Notify owner of parent socket |
2157 | push eax |
||
2158 | mov eax, ebx |
||
6011 | hidnplayr | 2159 | call socket_notify |
3817 | hidnplayr | 2160 | pop eax |
2161 | |||
3545 | hidnplayr | 2162 | ret |
2163 | |||
2164 | .fail2: |
||
2165 | add esp, 4+4+4 |
||
2166 | .fail: |
||
3556 | hidnplayr | 2167 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2168 | xor eax, eax |
2169 | ret |
||
2170 | |||
2171 | |||
5976 | hidnplayr | 2172 | ;-----------------------------------------------------------------; |
2173 | ; ; |
||
6011 | hidnplayr | 2174 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
5976 | hidnplayr | 2175 | ; ; |
2176 | ; IN: ecx = socket number ; |
||
2177 | ; ; |
||
2178 | ; OUT: eax = socket ptr ; |
||
2179 | ; eax = 0 on error ; |
||
2180 | ; ; |
||
2181 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2182 | align 4 |
6011 | hidnplayr | 2183 | socket_num_to_ptr: |
3545 | hidnplayr | 2184 | |
3556 | hidnplayr | 2185 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2186 | |
3647 | hidnplayr | 2187 | pusha |
2188 | mov ecx, socket_mutex |
||
2189 | call mutex_lock |
||
2190 | popa |
||
2191 | |||
3545 | hidnplayr | 2192 | mov eax, net_sockets |
2193 | .next_socket: |
||
2194 | mov eax, [eax + SOCKET.NextPtr] |
||
5969 | hidnplayr | 2195 | test eax, eax |
3545 | hidnplayr | 2196 | jz .error |
2197 | cmp [eax + SOCKET.Number], ecx |
||
2198 | jne .next_socket |
||
2199 | |||
3647 | hidnplayr | 2200 | pusha |
2201 | mov ecx, socket_mutex |
||
2202 | call mutex_unlock |
||
2203 | popa |
||
2204 | |||
3556 | hidnplayr | 2205 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2206 | ret |
2207 | |||
2208 | .error: |
||
3647 | hidnplayr | 2209 | pusha |
2210 | mov ecx, socket_mutex |
||
2211 | call mutex_unlock |
||
2212 | popa |
||
2213 | |||
4574 | hidnplayr | 2214 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2215 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
||
3545 | hidnplayr | 2216 | ret |
2217 | |||
2218 | |||
5976 | hidnplayr | 2219 | ;-----------------------------------------------------------------; |
2220 | ; ; |
||
6011 | hidnplayr | 2221 | ; socket_ptr_to_num: Get socket number by its address. ; |
5976 | hidnplayr | 2222 | ; ; |
2223 | ; IN: eax = socket ptr ; |
||
2224 | ; ; |
||
2225 | ; OUT: eax = socket number ; |
||
2226 | ; eax = 0 on error ; |
||
2227 | ; ZF = set on error ; |
||
2228 | ; ; |
||
2229 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2230 | align 4 |
6011 | hidnplayr | 2231 | socket_ptr_to_num: |
3545 | hidnplayr | 2232 | |
3556 | hidnplayr | 2233 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2234 | |
6011 | hidnplayr | 2235 | call socket_check |
3545 | hidnplayr | 2236 | jz .error |
2237 | |||
2238 | mov eax, [eax + SOCKET.Number] |
||
2239 | |||
3556 | hidnplayr | 2240 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2241 | ret |
2242 | |||
2243 | .error: |
||
3556 | hidnplayr | 2244 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2245 | ret |
2246 | |||
2247 | |||
5976 | hidnplayr | 2248 | ;-----------------------------------------------------------------; |
2249 | ; ; |
||
6011 | hidnplayr | 2250 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
5976 | hidnplayr | 2251 | ; ; |
2252 | ; IN: eax = socket ptr ; |
||
2253 | ; ; |
||
2254 | ; OUT: eax = 0 on error ; |
||
2255 | ; ZF = set on error ; |
||
2256 | ; ; |
||
2257 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2258 | align 4 |
6011 | hidnplayr | 2259 | socket_check: |
3545 | hidnplayr | 2260 | |
3556 | hidnplayr | 2261 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2262 | |
5969 | hidnplayr | 2263 | test eax, eax |
2264 | jz .error |
||
3545 | hidnplayr | 2265 | push ebx |
2266 | mov ebx, net_sockets |
||
2267 | |||
2268 | .next_socket: |
||
2269 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2270 | or ebx, ebx |
||
2271 | jz .done |
||
2272 | cmp ebx, eax |
||
2273 | jnz .next_socket |
||
2274 | |||
2275 | .done: |
||
2276 | mov eax, ebx |
||
2277 | test eax, eax |
||
2278 | pop ebx |
||
5969 | hidnplayr | 2279 | ret |
3545 | hidnplayr | 2280 | |
5969 | hidnplayr | 2281 | .error: |
5976 | hidnplayr | 2282 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
5969 | hidnplayr | 2283 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
3545 | hidnplayr | 2284 | ret |
2285 | |||
2286 | |||
2287 | |||
5976 | hidnplayr | 2288 | ;-----------------------------------------------------------------; |
2289 | ; ; |
||
6011 | hidnplayr | 2290 | ; socket_check_owner: Check if the caller app owns the socket. ; |
5976 | hidnplayr | 2291 | ; ; |
2292 | ; IN: eax = socket ptr ; |
||
2293 | ; ; |
||
2294 | ; OUT: ZF = true/false ; |
||
2295 | ; ; |
||
2296 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2297 | align 4 |
6011 | hidnplayr | 2298 | socket_check_owner: |
3545 | hidnplayr | 2299 | |
3556 | hidnplayr | 2300 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2301 | |
2302 | push ebx |
||
2303 | mov ebx, [TASK_BASE] |
||
2304 | mov ebx, [ebx + TASKDATA.pid] |
||
2305 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2306 | pop ebx |
3545 | hidnplayr | 2307 | |
2308 | ret |
||
2309 | |||
2310 | |||
2311 | |||
2312 | |||
5976 | hidnplayr | 2313 | ;-----------------------------------------------------------------; |
2314 | ; ; |
||
6011 | hidnplayr | 2315 | ; socket_process_end: Kernel calls this function when a certain ; |
2316 | ; process ends. This function will check if the process had any ; |
||
2317 | ; open sockets and update them accordingly (clean up). ; |
||
5976 | hidnplayr | 2318 | ; ; |
2319 | ; IN: edx = pid ; |
||
2320 | ; ; |
||
2321 | ; OUT: / ; |
||
2322 | ; ; |
||
2323 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2324 | align 4 |
6011 | hidnplayr | 2325 | socket_process_end: |
3545 | hidnplayr | 2326 | |
4436 | hidnplayr | 2327 | ret ; FIXME |
2328 | |||
4056 | hidnplayr | 2329 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2330 | je .quickret ; nope, exit immediately |
||
2331 | |||
2332 | ; TODO: run the following code in another thread, to avoid deadlock |
||
2333 | |||
3556 | hidnplayr | 2334 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2335 | |
3647 | hidnplayr | 2336 | pusha |
2337 | mov ecx, socket_mutex |
||
2338 | call mutex_lock |
||
2339 | popa |
||
2340 | |||
3545 | hidnplayr | 2341 | push ebx |
2342 | mov ebx, net_sockets |
||
2343 | |||
2344 | .next_socket: |
||
2345 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2346 | .next_socket_test: |
||
2347 | test ebx, ebx |
||
2348 | jz .done |
||
2349 | |||
2350 | cmp [ebx + SOCKET.PID], edx |
||
2351 | jne .next_socket |
||
2352 | |||
3556 | hidnplayr | 2353 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2354 | |
2355 | mov [ebx + SOCKET.PID], 0 |
||
2356 | mov eax, ebx |
||
2357 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2358 | |
3545 | hidnplayr | 2359 | pusha |
3652 | hidnplayr | 2360 | cmp [eax + SOCKET.Domain], AF_INET4 |
2361 | jne .free |
||
2362 | |||
2363 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2364 | jne .free |
||
2365 | |||
6011 | hidnplayr | 2366 | call tcp_disconnect |
3652 | hidnplayr | 2367 | jmp .closed |
2368 | |||
2369 | .free: |
||
6011 | hidnplayr | 2370 | call socket_free |
3652 | hidnplayr | 2371 | |
2372 | .closed: |
||
3545 | hidnplayr | 2373 | popa |
2374 | jmp .next_socket_test |
||
2375 | |||
2376 | .done: |
||
2377 | pop ebx |
||
2378 | |||
3647 | hidnplayr | 2379 | pusha |
2380 | mov ecx, socket_mutex |
||
2381 | call mutex_unlock |
||
2382 | popa |
||
2383 | |||
4056 | hidnplayr | 2384 | .quickret: |
3545 | hidnplayr | 2385 | ret |
2386 | |||
2387 | |||
2388 | |||
2389 | |||
5976 | hidnplayr | 2390 | ;-----------------------------------------------------------------; |
2391 | ; ; |
||
6011 | hidnplayr | 2392 | ; socket_is_connecting: Update socket state. ; |
5976 | hidnplayr | 2393 | ; ; |
2394 | ; IN: eax = socket ptr ; |
||
2395 | ; ; |
||
2396 | ; OUT: / ; |
||
2397 | ; ; |
||
2398 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2399 | align 4 |
6011 | hidnplayr | 2400 | socket_is_connecting: |
3545 | hidnplayr | 2401 | |
3556 | hidnplayr | 2402 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2403 | |
4025 | hidnplayr | 2404 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2405 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
2406 | ret |
||
3545 | hidnplayr | 2407 | |
2408 | |||
2409 | |||
5976 | hidnplayr | 2410 | ;-----------------------------------------------------------------; |
2411 | ; ; |
||
6011 | hidnplayr | 2412 | ; socket_is_connected: Update socket state. ; |
5976 | hidnplayr | 2413 | ; ; |
2414 | ; IN: eax = socket ptr ; |
||
2415 | ; ; |
||
2416 | ; OUT: / ; |
||
2417 | ; ; |
||
2418 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2419 | align 4 |
6011 | hidnplayr | 2420 | socket_is_connected: |
3545 | hidnplayr | 2421 | |
3556 | hidnplayr | 2422 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2423 | |
3674 | hidnplayr | 2424 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2425 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
6011 | hidnplayr | 2426 | jmp socket_notify |
3545 | hidnplayr | 2427 | |
2428 | |||
2429 | |||
2430 | |||
5976 | hidnplayr | 2431 | ;-----------------------------------------------------------------; |
2432 | ; ; |
||
6011 | hidnplayr | 2433 | ; socket_is_disconnecting: Update socket state. ; |
5976 | hidnplayr | 2434 | ; ; |
2435 | ; IN: eax = socket ptr ; |
||
2436 | ; ; |
||
2437 | ; OUT: / ; |
||
2438 | ; ; |
||
2439 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2440 | align 4 |
6011 | hidnplayr | 2441 | socket_is_disconnecting: |
3545 | hidnplayr | 2442 | |
3556 | hidnplayr | 2443 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2444 | |
3674 | hidnplayr | 2445 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2446 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2447 | jmp socket_notify |
3545 | hidnplayr | 2448 | |
2449 | |||
2450 | |||
5976 | hidnplayr | 2451 | ;-----------------------------------------------------------------; |
2452 | ; ; |
||
6011 | hidnplayr | 2453 | ; socket_is_disconnected: Update socket state. ; |
5976 | hidnplayr | 2454 | ; ; |
2455 | ; IN: eax = socket ptr ; |
||
2456 | ; ; |
||
2457 | ; OUT: / ; |
||
2458 | ; ; |
||
2459 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2460 | align 4 |
6011 | hidnplayr | 2461 | socket_is_disconnected: |
3545 | hidnplayr | 2462 | |
3556 | hidnplayr | 2463 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2464 | |
3674 | hidnplayr | 2465 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2466 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2467 | jmp socket_notify |
3545 | hidnplayr | 2468 | |
2469 | |||
2470 | |||
5976 | hidnplayr | 2471 | ;-----------------------------------------------------------------; |
2472 | ; ; |
||
6011 | hidnplayr | 2473 | ; socket_cant_recv_more: Update socket state. ; |
5976 | hidnplayr | 2474 | ; ; |
2475 | ; IN: eax = socket ptr ; |
||
2476 | ; ; |
||
2477 | ; OUT: / ; |
||
2478 | ; ; |
||
2479 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2480 | align 4 |
6011 | hidnplayr | 2481 | socket_cant_recv_more: |
3545 | hidnplayr | 2482 | |
3556 | hidnplayr | 2483 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2484 | |
3674 | hidnplayr | 2485 | or [eax + SOCKET.state], SS_CANTRCVMORE |
6011 | hidnplayr | 2486 | jmp socket_notify |
3545 | hidnplayr | 2487 | |
3565 | hidnplayr | 2488 | |
3545 | hidnplayr | 2489 | |
5976 | hidnplayr | 2490 | ;-----------------------------------------------------------------; |
2491 | ; ; |
||
6011 | hidnplayr | 2492 | ; socket_cant_send_more: Update socket state. ; |
5976 | hidnplayr | 2493 | ; ; |
2494 | ; IN: eax = socket ptr ; |
||
2495 | ; ; |
||
2496 | ; OUT: / ; |
||
2497 | ; ; |
||
2498 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2499 | align 4 |
6011 | hidnplayr | 2500 | socket_cant_send_more: |
3545 | hidnplayr | 2501 | |
3556 | hidnplayr | 2502 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2503 | |
3674 | hidnplayr | 2504 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2505 | mov [eax + SOCKET.snd_proc], .notconn |
6011 | hidnplayr | 2506 | jmp socket_notify |
3545 | hidnplayr | 2507 | |
3658 | hidnplayr | 2508 | .notconn: |
3673 | hidnplayr | 2509 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2510 | mov dword[esp+32], -1 |
5356 | serge | 2511 | ret |