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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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7974 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2020. All rights reserved. ;; |
3545 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org, ;; |
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9 | ;; and Clevermouse. ;; |
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10 | ;; ;; |
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11 | ;; Based on code by mike.dld ;; |
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12 | ;; ;; |
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13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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17 | |||
4850 | mario79 | 18 | $Revision: 8027 $ |
3545 | hidnplayr | 19 | |
20 | struct SOCKET |
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21 | |||
5976 | hidnplayr | 22 | NextPtr dd ? ; pointer to next socket in list |
23 | PrevPtr dd ? ; pointer to previous socket in list |
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24 | Number dd ? ; socket number |
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3545 | hidnplayr | 25 | |
26 | mutex MUTEX |
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27 | |||
5976 | hidnplayr | 28 | PID dd ? ; process ID |
29 | TID dd ? ; thread ID |
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30 | Domain dd ? ; INET4/INET6/LOCAL/.. |
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31 | Type dd ? ; RAW/STREAM/DGRAM |
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32 | Protocol dd ? ; UDP/TCP/ARP/ICMP |
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3545 | hidnplayr | 33 | errorcode dd ? |
5976 | hidnplayr | 34 | device dd ? ; device pointer, paired socket pointer if it's a local socket |
3545 | hidnplayr | 35 | |
36 | options dd ? |
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37 | state dd ? |
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5976 | hidnplayr | 38 | backlog dw ? ; number of incoming connections that can be queued |
3545 | hidnplayr | 39 | |
40 | snd_proc dd ? |
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41 | rcv_proc dd ? |
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4030 | hidnplayr | 42 | connect_proc dd ? |
3545 | hidnplayr | 43 | |
44 | ends |
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45 | |||
46 | struct IP_SOCKET SOCKET |
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47 | |||
5976 | hidnplayr | 48 | LocalIP rd 4 ; network byte order |
49 | RemoteIP rd 4 ; network byte order |
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5842 | hidnplayr | 50 | ttl db ? |
5976 | hidnplayr | 51 | rb 3 ; align |
3545 | hidnplayr | 52 | |
53 | ends |
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54 | |||
55 | struct TCP_SOCKET IP_SOCKET |
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56 | |||
5976 | hidnplayr | 57 | LocalPort dw ? ; network byte order |
58 | RemotePort dw ? ; network byte order |
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3545 | hidnplayr | 59 | |
5976 | hidnplayr | 60 | t_state dd ? ; TCB state |
3545 | hidnplayr | 61 | t_rxtshift db ? |
5976 | hidnplayr | 62 | rb 3 ; align |
3545 | hidnplayr | 63 | t_rxtcur dd ? |
64 | t_dupacks dd ? |
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65 | t_maxseg dd ? |
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66 | t_flags dd ? |
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67 | |||
68 | ;--------------- |
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69 | ; RFC783 page 21 |
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70 | |||
71 | ; send sequence |
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5976 | hidnplayr | 72 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
73 | SND_NXT dd ? ; next send sequence number to use |
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74 | SND_UP dd ? ; urgent pointer |
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6476 | hidnplayr | 75 | SND_WL1 dd ? ; the sequence number of the last segment used to update the send window |
76 | SND_WL2 dd ? ; the acknowledgment number of the last segment used to update the send window |
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5976 | hidnplayr | 77 | ISS dd ? ; initial send sequence number |
78 | SND_WND dd ? ; send window |
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3545 | hidnplayr | 79 | |
80 | ; receive sequence |
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5976 | hidnplayr | 81 | RCV_WND dd ? ; receive window |
82 | RCV_NXT dd ? ; next receive sequence number to use |
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83 | RCV_UP dd ? ; urgent pointer |
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84 | IRS dd ? ; initial receive sequence number |
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3545 | hidnplayr | 85 | |
86 | ;--------------------- |
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87 | ; Additional variables |
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88 | |||
89 | ; receive variables |
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90 | RCV_ADV dd ? |
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91 | |||
92 | ; retransmit variables |
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93 | SND_MAX dd ? |
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94 | |||
95 | ; congestion control |
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4339 | hidnplayr | 96 | SND_CWND dd ? ; congestion window |
97 | SND_SSTHRESH dd ? ; slow start threshold |
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3545 | hidnplayr | 98 | |
99 | ;---------------------- |
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100 | ; Transmit timing stuff |
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101 | t_idle dd ? |
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5442 | hidnplayr | 102 | t_rtt dd ? ; round trip time |
3545 | hidnplayr | 103 | t_rtseq dd ? |
5442 | hidnplayr | 104 | t_srtt dd ? ; smoothed round trip time |
3545 | hidnplayr | 105 | t_rttvar dd ? |
106 | t_rttmin dd ? |
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107 | max_sndwnd dd ? |
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108 | |||
109 | ;----------------- |
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110 | ; Out-of-band data |
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111 | t_oobflags dd ? |
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112 | t_iobc dd ? |
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113 | t_softerror dd ? |
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114 | |||
115 | |||
116 | ;--------- |
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117 | ; RFC 1323 ; the order of next 4 elements may not change |
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118 | |||
119 | SND_SCALE db ? |
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120 | RCV_SCALE db ? |
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121 | requested_s_scale db ? |
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122 | request_r_scale db ? |
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123 | |||
124 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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125 | ts_recent_age dd ? |
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126 | last_ack_sent dd ? |
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127 | |||
128 | |||
129 | ;------- |
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130 | ; Timers |
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3600 | hidnplayr | 131 | timer_flags dd ? |
5976 | hidnplayr | 132 | timer_retransmission dd ? ; rexmt |
3545 | hidnplayr | 133 | timer_persist dd ? |
5976 | hidnplayr | 134 | timer_keepalive dd ? ; keepalive/syn timeout |
135 | timer_timed_wait dd ? ; also used as 2msl timer |
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4021 | hidnplayr | 136 | timer_connect dd ? |
3545 | hidnplayr | 137 | |
138 | ; extra |
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139 | |||
5976 | hidnplayr | 140 | ts_ecr dd ? ; timestamp echo reply |
3545 | hidnplayr | 141 | ts_val dd ? |
142 | |||
5976 | hidnplayr | 143 | seg_next dd ? ; re-assembly queue |
3545 | hidnplayr | 144 | |
145 | ends |
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146 | |||
147 | struct UDP_SOCKET IP_SOCKET |
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148 | |||
5976 | hidnplayr | 149 | LocalPort dw ? ; in network byte order |
150 | RemotePort dw ? ; in network byte order |
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3545 | hidnplayr | 151 | |
152 | ends |
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153 | |||
154 | struct RING_BUFFER |
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155 | |||
156 | mutex MUTEX |
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5976 | hidnplayr | 157 | start_ptr dd ? ; Pointer to start of buffer |
158 | end_ptr dd ? ; pointer to end of buffer |
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159 | read_ptr dd ? ; Read pointer |
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160 | write_ptr dd ? ; Write pointer |
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161 | size dd ? ; Number of bytes buffered |
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3545 | hidnplayr | 162 | |
163 | ends |
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164 | |||
165 | struct STREAM_SOCKET TCP_SOCKET |
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166 | |||
167 | rcv RING_BUFFER |
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168 | snd RING_BUFFER |
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169 | |||
170 | ends |
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171 | |||
172 | struct socket_queue_entry |
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173 | |||
174 | data_ptr dd ? |
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5522 | hidnplayr | 175 | data_size dd ? |
3545 | hidnplayr | 176 | buf_ptr dd ? |
177 | |||
178 | ends |
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179 | |||
5976 | hidnplayr | 180 | struct socket_options |
3545 | hidnplayr | 181 | |
5976 | hidnplayr | 182 | level dd ? |
183 | optname dd ? |
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184 | optlen dd ? |
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185 | optval dd ? |
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3545 | hidnplayr | 186 | |
5976 | hidnplayr | 187 | ends |
188 | |||
6413 | hidnplayr | 189 | SOCKET_STRUCT_SIZE = 4096 ; in bytes |
5976 | hidnplayr | 190 | |
191 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
||
3545 | hidnplayr | 192 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
6413 | hidnplayr | 193 | SOCKET_QUEUE_LOCATION = (SOCKET_STRUCT_SIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
3545 | hidnplayr | 194 | |
195 | uglobal |
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3698 | hidnplayr | 196 | align 4 |
197 | |||
3545 | hidnplayr | 198 | net_sockets rd 4 |
199 | last_socket_num dd ? |
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5976 | hidnplayr | 200 | last_UDP_port dw ? ; last used ephemeral port |
201 | last_TCP_port dw ? ; |
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3647 | hidnplayr | 202 | socket_mutex MUTEX |
3698 | hidnplayr | 203 | |
3545 | hidnplayr | 204 | endg |
205 | |||
206 | |||
5976 | hidnplayr | 207 | ;-----------------------------------------------------------------; |
208 | ; ; |
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6011 | hidnplayr | 209 | ; socket_init ; |
5976 | hidnplayr | 210 | ; ; |
211 | ;-----------------------------------------------------------------; |
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6011 | hidnplayr | 212 | macro socket_init { |
3545 | hidnplayr | 213 | |
214 | xor eax, eax |
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215 | mov edi, net_sockets |
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216 | mov ecx, 5 |
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3711 | clevermous | 217 | rep stosd |
3545 | hidnplayr | 218 | |
219 | @@: |
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220 | pseudo_random eax |
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3600 | hidnplayr | 221 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 222 | jb @r |
3600 | hidnplayr | 223 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 224 | ja @r |
225 | xchg al, ah |
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226 | mov [last_UDP_port], ax |
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227 | |||
228 | @@: |
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229 | pseudo_random eax |
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3600 | hidnplayr | 230 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 231 | jb @r |
3600 | hidnplayr | 232 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 233 | ja @r |
234 | xchg al, ah |
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235 | mov [last_TCP_port], ax |
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236 | |||
3647 | hidnplayr | 237 | mov ecx, socket_mutex |
238 | call mutex_init |
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239 | |||
3545 | hidnplayr | 240 | } |
241 | |||
5976 | hidnplayr | 242 | ;-----------------------------------------------------------------; |
243 | ; ; |
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244 | ; Sockets API (system function 75) ; |
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245 | ; ; |
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246 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 247 | align 4 |
248 | sys_socket: |
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249 | |||
3673 | hidnplayr | 250 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 251 | |
3545 | hidnplayr | 252 | cmp ebx, 255 |
6011 | hidnplayr | 253 | jz socket_debug |
3545 | hidnplayr | 254 | |
255 | cmp ebx, .number |
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3658 | hidnplayr | 256 | ja .error |
3545 | hidnplayr | 257 | jmp dword [.table + 4*ebx] |
258 | |||
259 | .table: |
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6011 | hidnplayr | 260 | dd socket_open ; 0 |
261 | dd socket_close ; 1 |
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262 | dd socket_bind ; 2 |
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263 | dd socket_listen ; 3 |
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264 | dd socket_connect ; 4 |
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265 | dd socket_accept ; 5 |
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266 | dd socket_send ; 6 |
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267 | dd socket_receive ; 7 |
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268 | dd socket_set_opt ; 8 |
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269 | dd socket_get_opt ; 9 |
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270 | dd socket_pair ; 10 |
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3545 | hidnplayr | 271 | .number = ($ - .table) / 4 - 1 |
272 | |||
3658 | hidnplayr | 273 | .error: |
274 | mov dword[esp+32], -1 |
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3673 | hidnplayr | 275 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 276 | |
277 | ret |
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278 | |||
5976 | hidnplayr | 279 | ;-----------------------------------------------------------------; |
280 | ; ; |
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6011 | hidnplayr | 281 | ; socket_open: Create a new socket. ; |
5976 | hidnplayr | 282 | ; ; |
283 | ; IN: ecx = domain ; |
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284 | ; edx = type ; |
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285 | ; esi = protocol ; |
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286 | ; ; |
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287 | ; OUT: eax = socket number ; |
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288 | ; eax = -1 on error ; |
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289 | ; ebx = errorcode on error ; |
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290 | ; ; |
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291 | ;-----------------------------------------------------------------; |
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3545 | hidnplayr | 292 | align 4 |
6011 | hidnplayr | 293 | socket_open: |
3545 | hidnplayr | 294 | |
7974 | hidnplayr | 295 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x\n", ecx, edx, esi |
3545 | hidnplayr | 296 | |
297 | push ecx edx esi |
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6011 | hidnplayr | 298 | call socket_alloc |
3545 | hidnplayr | 299 | pop esi edx ecx |
4535 | hidnplayr | 300 | test eax, eax |
3658 | hidnplayr | 301 | jz .nobuffs |
3545 | hidnplayr | 302 | |
5976 | hidnplayr | 303 | mov [esp+32], edi ; return socketnumber |
7974 | hidnplayr | 304 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: socknum=%u\n", edi |
3545 | hidnplayr | 305 | |
3705 | hidnplayr | 306 | test edx, SO_NONBLOCK |
307 | jz @f |
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308 | or [eax + SOCKET.options], SO_NONBLOCK |
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309 | and edx, not SO_NONBLOCK |
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310 | @@: |
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3545 | hidnplayr | 311 | |
312 | mov [eax + SOCKET.Domain], ecx |
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313 | mov [eax + SOCKET.Type], edx |
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314 | mov [eax + SOCKET.Protocol], esi |
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4030 | hidnplayr | 315 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 316 | |
317 | cmp ecx, AF_INET4 |
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318 | jne .no_inet4 |
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319 | |||
5842 | hidnplayr | 320 | mov [eax + IP_SOCKET.ttl], 128 |
321 | |||
3545 | hidnplayr | 322 | cmp edx, SOCK_DGRAM |
323 | je .udp |
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324 | |||
325 | cmp edx, SOCK_STREAM |
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326 | je .tcp |
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327 | |||
328 | cmp edx, SOCK_RAW |
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329 | je .raw |
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330 | |||
331 | .no_inet4: |
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332 | cmp ecx, AF_PPP |
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333 | jne .no_ppp |
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334 | |||
335 | cmp esi, PPP_PROTO_ETHERNET |
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336 | je .pppoe |
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337 | |||
338 | .no_ppp: |
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3658 | hidnplayr | 339 | .unsupported: |
340 | push eax |
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6011 | hidnplayr | 341 | call socket_free |
3658 | hidnplayr | 342 | pop eax |
3673 | hidnplayr | 343 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 344 | mov dword[esp+32], -1 |
3545 | hidnplayr | 345 | ret |
346 | |||
3658 | hidnplayr | 347 | .nobuffs: |
3673 | hidnplayr | 348 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 349 | mov dword[esp+32], -1 |
350 | ret |
||
351 | |||
3545 | hidnplayr | 352 | .raw: |
5976 | hidnplayr | 353 | test esi, esi ; IP_PROTO_IP |
3658 | hidnplayr | 354 | jz .raw_ip |
3545 | hidnplayr | 355 | |
356 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 357 | je .raw_icmp |
3545 | hidnplayr | 358 | |
3658 | hidnplayr | 359 | jmp .unsupported |
3545 | hidnplayr | 360 | |
361 | align 4 |
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362 | .udp: |
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5842 | hidnplayr | 363 | push eax |
364 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
365 | pop eax |
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366 | |||
3545 | hidnplayr | 367 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
6011 | hidnplayr | 368 | mov [eax + SOCKET.snd_proc], socket_send_udp |
369 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
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370 | mov [eax + SOCKET.connect_proc], udp_connect |
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3545 | hidnplayr | 371 | ret |
372 | |||
373 | align 4 |
||
374 | .tcp: |
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375 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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6011 | hidnplayr | 376 | mov [eax + SOCKET.snd_proc], socket_send_tcp |
7974 | hidnplayr | 377 | mov [eax + SOCKET.rcv_proc], socket_receive_tcp |
6011 | hidnplayr | 378 | mov [eax + SOCKET.connect_proc], tcp_connect |
3545 | hidnplayr | 379 | |
6011 | hidnplayr | 380 | tcp_init_socket eax |
3545 | hidnplayr | 381 | ret |
382 | |||
383 | |||
384 | align 4 |
||
3658 | hidnplayr | 385 | .raw_ip: |
5842 | hidnplayr | 386 | push eax |
387 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
388 | pop eax |
||
389 | |||
6011 | hidnplayr | 390 | mov [eax + SOCKET.snd_proc], socket_send_ip |
391 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
392 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 393 | ret |
394 | |||
395 | |||
396 | align 4 |
||
3658 | hidnplayr | 397 | .raw_icmp: |
5842 | hidnplayr | 398 | push eax |
399 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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400 | pop eax |
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401 | |||
6011 | hidnplayr | 402 | mov [eax + SOCKET.snd_proc], socket_send_icmp |
403 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
404 | mov [eax + SOCKET.connect_proc], ipv4_connect |
||
3545 | hidnplayr | 405 | ret |
406 | |||
407 | align 4 |
||
408 | .pppoe: |
||
409 | push eax |
||
410 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
411 | pop eax |
||
412 | |||
6011 | hidnplayr | 413 | mov [eax + SOCKET.snd_proc], socket_send_pppoe |
414 | mov [eax + SOCKET.rcv_proc], socket_receive_dgram |
||
3545 | hidnplayr | 415 | ret |
416 | |||
417 | |||
5976 | hidnplayr | 418 | ;-----------------------------------------------------------------; |
419 | ; ; |
||
6011 | hidnplayr | 420 | ; socket_bind: Bind to a local port. ; |
5976 | hidnplayr | 421 | ; ; |
422 | ; IN: ecx = socket number ; |
||
423 | ; edx = pointer to sockaddr struct ; |
||
424 | ; esi = length of sockaddr struct ; |
||
425 | ; ; |
||
426 | ; OUT: eax = 0 on success ; |
||
427 | ; eax = -1 on error ; |
||
428 | ; ebx = errorcode on error ; |
||
429 | ; ; |
||
430 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 431 | align 4 |
6011 | hidnplayr | 432 | socket_bind: |
3545 | hidnplayr | 433 | |
3556 | hidnplayr | 434 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 435 | |
6011 | hidnplayr | 436 | call socket_num_to_ptr |
5969 | hidnplayr | 437 | test eax, eax |
3658 | hidnplayr | 438 | jz .invalid |
3545 | hidnplayr | 439 | |
440 | cmp esi, 2 |
||
3658 | hidnplayr | 441 | jb .invalid |
3545 | hidnplayr | 442 | |
5976 | hidnplayr | 443 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
4052 | hidnplayr | 444 | jnz .invalid |
445 | |||
6011 | hidnplayr | 446 | cmp word[edx], AF_INET4 |
3545 | hidnplayr | 447 | je .af_inet4 |
448 | |||
6011 | hidnplayr | 449 | cmp word[edx], AF_LOCAL |
3545 | hidnplayr | 450 | je .af_local |
451 | |||
3658 | hidnplayr | 452 | .notsupp: |
3673 | hidnplayr | 453 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 454 | mov dword[esp+32], -1 |
455 | ret |
||
3545 | hidnplayr | 456 | |
3658 | hidnplayr | 457 | .invalid: |
3673 | hidnplayr | 458 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 459 | mov dword[esp+32], -1 |
460 | ret |
||
461 | |||
3545 | hidnplayr | 462 | .af_local: |
463 | ; TODO: write code here |
||
3658 | hidnplayr | 464 | mov dword[esp+32], 0 |
3545 | hidnplayr | 465 | ret |
466 | |||
467 | .af_inet4: |
||
468 | cmp esi, 6 |
||
3658 | hidnplayr | 469 | jb .invalid |
3545 | hidnplayr | 470 | |
471 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
472 | je .udp |
||
473 | |||
474 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
475 | je .tcp |
||
476 | |||
3658 | hidnplayr | 477 | jmp .notsupp |
3545 | hidnplayr | 478 | |
479 | .tcp: |
||
480 | .udp: |
||
4052 | hidnplayr | 481 | pushd [edx + 4] ; First, fill in the IP |
482 | popd [eax + IP_SOCKET.LocalIP] |
||
3545 | hidnplayr | 483 | |
4052 | hidnplayr | 484 | mov bx, [edx + 2] ; Did caller specify a local port? |
485 | test bx, bx |
||
486 | jnz .just_check |
||
6011 | hidnplayr | 487 | call socket_find_port ; Nope, find an ephemeral one |
4052 | hidnplayr | 488 | jmp .done |
489 | |||
490 | .just_check: |
||
6011 | hidnplayr | 491 | call socket_check_port ; Yes, check if it's still available |
4052 | hidnplayr | 492 | jz .addrinuse ; ZF is set by socket_check_port on error |
493 | |||
494 | .done: |
||
3556 | hidnplayr | 495 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 496 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
497 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
498 | |||
3658 | hidnplayr | 499 | mov dword[esp+32], 0 |
3545 | hidnplayr | 500 | ret |
501 | |||
3658 | hidnplayr | 502 | .addrinuse: |
503 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 504 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 505 | ret |
3545 | hidnplayr | 506 | |
507 | |||
508 | |||
3658 | hidnplayr | 509 | |
5976 | hidnplayr | 510 | ;-----------------------------------------------------------------; |
511 | ; ; |
||
6011 | hidnplayr | 512 | ; socket_connect: Connect to the remote host. ; |
5976 | hidnplayr | 513 | ; ; |
514 | ; IN: ecx = socket number ; |
||
515 | ; edx = pointer to sockaddr struct ; |
||
516 | ; esi = length of sockaddr struct ; |
||
517 | ; ; |
||
518 | ; OUT: eax = 0 on success ; |
||
519 | ; eax = -1 on error ; |
||
520 | ; ebx = errorcode on error ; |
||
521 | ; ; |
||
522 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 523 | align 4 |
6011 | hidnplayr | 524 | socket_connect: |
3545 | hidnplayr | 525 | |
3556 | hidnplayr | 526 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 527 | |
6011 | hidnplayr | 528 | call socket_num_to_ptr |
5969 | hidnplayr | 529 | test eax, eax |
3658 | hidnplayr | 530 | jz .invalid |
3545 | hidnplayr | 531 | |
532 | cmp esi, 8 |
||
3658 | hidnplayr | 533 | jb .invalid |
3545 | hidnplayr | 534 | |
4025 | hidnplayr | 535 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
536 | je .already |
||
537 | |||
538 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
539 | jnz .notsupp |
||
540 | |||
4030 | hidnplayr | 541 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 542 | |
4030 | hidnplayr | 543 | mov dword[esp+20], ebx |
544 | mov dword[esp+32], eax |
||
545 | ret |
||
546 | |||
547 | |||
3658 | hidnplayr | 548 | .notsupp: |
3673 | hidnplayr | 549 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 550 | mov dword[esp+32], -1 |
551 | ret |
||
3545 | hidnplayr | 552 | |
3658 | hidnplayr | 553 | .invalid: |
3673 | hidnplayr | 554 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 555 | mov dword[esp+32], -1 |
556 | ret |
||
557 | |||
4025 | hidnplayr | 558 | .already: |
559 | mov dword[esp+20], EALREADY |
||
560 | mov dword[esp+32], -1 |
||
561 | ret |
||
562 | |||
563 | |||
4030 | hidnplayr | 564 | connect_notsupp: |
565 | xor eax, eax |
||
566 | dec eax |
||
567 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 568 | ret |
569 | |||
4025 | hidnplayr | 570 | |
5976 | hidnplayr | 571 | ;-----------------------------------------------------------------; |
572 | ; ; |
||
6011 | hidnplayr | 573 | ; socket_listen: Listen for incoming connections. ; |
5976 | hidnplayr | 574 | ; ; |
575 | ; IN: ecx = socket number ; |
||
576 | ; edx = backlog in edx ; |
||
577 | ; ; |
||
578 | ; OUT: eax = 0 on success ; |
||
579 | ; eax = -1 on error ; |
||
580 | ; ebx = errorcode on error ; |
||
581 | ; ; |
||
582 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 583 | align 4 |
6011 | hidnplayr | 584 | socket_listen: |
3545 | hidnplayr | 585 | |
3556 | hidnplayr | 586 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 587 | |
6011 | hidnplayr | 588 | call socket_num_to_ptr |
5969 | hidnplayr | 589 | test eax, eax |
3658 | hidnplayr | 590 | jz .invalid |
3545 | hidnplayr | 591 | |
592 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 593 | jne .notsupp |
3545 | hidnplayr | 594 | |
595 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 596 | jne .invalid |
3545 | hidnplayr | 597 | |
598 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 599 | je .already |
3545 | hidnplayr | 600 | |
601 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
602 | jne @f |
||
7678 | hidnplayr | 603 | push [IPv4_address + 4] ;;; fixme!!!! |
3545 | hidnplayr | 604 | pop [eax + IP_SOCKET.LocalIP] |
605 | @@: |
||
606 | |||
607 | cmp edx, MAX_backlog |
||
608 | jbe @f |
||
609 | mov edx, MAX_backlog |
||
610 | @@: |
||
611 | |||
612 | mov [eax + SOCKET.backlog], dx |
||
613 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
614 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
615 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
616 | |||
617 | push eax |
||
618 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
619 | pop eax |
||
620 | |||
3658 | hidnplayr | 621 | mov dword[esp+32], 0 |
622 | ret |
||
3545 | hidnplayr | 623 | |
3658 | hidnplayr | 624 | .notsupp: |
3673 | hidnplayr | 625 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 626 | mov dword[esp+32], -1 |
3545 | hidnplayr | 627 | ret |
628 | |||
3658 | hidnplayr | 629 | .invalid: |
3673 | hidnplayr | 630 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 631 | mov dword[esp+32], -1 |
632 | ret |
||
3545 | hidnplayr | 633 | |
3658 | hidnplayr | 634 | .already: |
3673 | hidnplayr | 635 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 636 | mov dword[esp+32], -1 |
637 | ret |
||
638 | |||
639 | |||
5976 | hidnplayr | 640 | ;-----------------------------------------------------------------; |
641 | ; ; |
||
6011 | hidnplayr | 642 | ; socket_accept: Accept an incoming connection. ; |
5976 | hidnplayr | 643 | ; ; |
644 | ; IN: ecx = socket number (of listening socket) ; |
||
645 | ; edx = ptr to sockaddr struct ; |
||
646 | ; esi = length of sockaddr struct ; |
||
647 | ; ; |
||
648 | ; OUT: eax = newly created socket num ; |
||
649 | ; eax = -1 on error ; |
||
650 | ; ebx = errorcode on error ; |
||
651 | ; ; |
||
652 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 653 | align 4 |
6011 | hidnplayr | 654 | socket_accept: |
3545 | hidnplayr | 655 | |
3556 | hidnplayr | 656 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 657 | |
6011 | hidnplayr | 658 | call socket_num_to_ptr |
5969 | hidnplayr | 659 | test eax, eax |
3658 | hidnplayr | 660 | jz .invalid |
3545 | hidnplayr | 661 | |
662 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 663 | jz .invalid |
3545 | hidnplayr | 664 | |
665 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 666 | jne .notsupp |
3545 | hidnplayr | 667 | |
668 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 669 | jne .invalid |
3545 | hidnplayr | 670 | |
671 | .loop: |
||
672 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
673 | |||
674 | ; Ok, we got a socket ptr |
||
675 | mov eax, [esi] |
||
676 | |||
5969 | hidnplayr | 677 | ; Verify that it is (still) a valid socket |
6011 | hidnplayr | 678 | call socket_check |
5969 | hidnplayr | 679 | jz .invalid |
680 | |||
681 | ; Change sockets thread owner ID to that of the current thread |
||
3545 | hidnplayr | 682 | mov ebx, [TASK_BASE] |
683 | mov ebx, [ebx + TASKDATA.pid] |
||
684 | mov [eax + SOCKET.TID], ebx |
||
685 | |||
5969 | hidnplayr | 686 | ; Return socket number to caller |
687 | mov eax, [eax + SOCKET.Number] |
||
3545 | hidnplayr | 688 | mov [esp+32], eax |
689 | ret |
||
690 | |||
691 | .block: |
||
692 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 693 | jnz .wouldblock |
6908 | ashmew2 | 694 | |
6011 | hidnplayr | 695 | call socket_block |
3545 | hidnplayr | 696 | jmp .loop |
697 | |||
3658 | hidnplayr | 698 | .wouldblock: |
3673 | hidnplayr | 699 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 700 | mov dword[esp+32], -1 |
701 | ret |
||
702 | |||
703 | .invalid: |
||
3673 | hidnplayr | 704 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 705 | mov dword[esp+32], -1 |
706 | ret |
||
707 | |||
708 | .notsupp: |
||
3673 | hidnplayr | 709 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 710 | mov dword[esp+32], -1 |
711 | ret |
||
712 | |||
5976 | hidnplayr | 713 | ;-----------------------------------------------------------------; |
714 | ; ; |
||
6011 | hidnplayr | 715 | ; socket_close: Close the socket (and connection). ; |
5976 | hidnplayr | 716 | ; ; |
717 | ; IN: ecx = socket number ; |
||
718 | ; ; |
||
719 | ; OUT: eax = 0 on success ; |
||
720 | ; eax = -1 on error ; |
||
721 | ; ebx = errorcode on error ; |
||
722 | ; ; |
||
723 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 724 | align 4 |
6011 | hidnplayr | 725 | socket_close: |
3545 | hidnplayr | 726 | |
3556 | hidnplayr | 727 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 728 | |
6011 | hidnplayr | 729 | call socket_num_to_ptr |
5969 | hidnplayr | 730 | test eax, eax |
3658 | hidnplayr | 731 | jz .invalid |
3545 | hidnplayr | 732 | |
3658 | hidnplayr | 733 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 734 | |
735 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
736 | |||
737 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
738 | jz @f |
||
6011 | hidnplayr | 739 | call socket_notify ; Unblock it. |
3545 | hidnplayr | 740 | @@: |
741 | |||
742 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
743 | jne .free |
||
744 | |||
745 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
746 | je .tcp |
||
747 | |||
748 | .free: |
||
6011 | hidnplayr | 749 | call socket_free |
3545 | hidnplayr | 750 | ret |
751 | |||
752 | .tcp: |
||
8026 | hidnplayr | 753 | test [eax + SOCKET.state], SS_ISCONNECTED |
4366 | hidnplayr | 754 | jz @f |
8026 | hidnplayr | 755 | test [eax + SOCKET.state], SS_ISDISCONNECTING |
756 | jnz @f |
||
757 | call tcp_disconnect |
||
4366 | hidnplayr | 758 | @@: |
8026 | hidnplayr | 759 | ; TODO: |
760 | ; ... |
||
761 | ; call socket_free |
||
3545 | hidnplayr | 762 | ret |
763 | |||
764 | |||
3658 | hidnplayr | 765 | .invalid: |
3673 | hidnplayr | 766 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 767 | mov dword[esp+32], -1 |
768 | ret |
||
769 | |||
770 | |||
5976 | hidnplayr | 771 | ;-----------------------------------------------------------------; |
772 | ; ; |
||
6011 | hidnplayr | 773 | ; socket_receive: Receive some data from the remote end. ; |
5976 | hidnplayr | 774 | ; ; |
775 | ; IN: ecx = socket number ; |
||
776 | ; edx = addr to application buffer ; |
||
777 | ; edx = length of application buffer ; |
||
778 | ; edi = flags ; |
||
779 | ; ; |
||
780 | ; OUT: eax = number of bytes copied ; |
||
781 | ; eax = -1 on error ; |
||
782 | ; eax = 0 when socket has been closed by the remote end ; |
||
783 | ; ebx = errorcode on error ; |
||
784 | ; ; |
||
785 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 786 | align 4 |
6011 | hidnplayr | 787 | socket_receive: |
3545 | hidnplayr | 788 | |
3556 | hidnplayr | 789 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 790 | |
6011 | hidnplayr | 791 | call socket_num_to_ptr |
5969 | hidnplayr | 792 | test eax, eax |
3658 | hidnplayr | 793 | jz .invalid |
3545 | hidnplayr | 794 | |
3704 | hidnplayr | 795 | .loop: |
796 | push edi |
||
3565 | hidnplayr | 797 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 798 | pop edi |
3545 | hidnplayr | 799 | |
4219 | hidnplayr | 800 | test [eax + SOCKET.state], SS_CANTRCVMORE |
5364 | hidnplayr | 801 | jnz .last_data |
4219 | hidnplayr | 802 | |
3704 | hidnplayr | 803 | cmp ebx, EWOULDBLOCK |
804 | jne .return |
||
805 | |||
806 | test edi, MSG_DONTWAIT |
||
807 | jnz .return_err |
||
808 | |||
5976 | hidnplayr | 809 | test [eax + SOCKET.options], SO_NONBLOCK |
810 | jnz .return_err |
||
6908 | ashmew2 | 811 | |
6011 | hidnplayr | 812 | call socket_block |
3704 | hidnplayr | 813 | jmp .loop |
814 | |||
815 | |||
816 | .invalid: |
||
817 | push EINVAL |
||
818 | pop ebx |
||
819 | .return_err: |
||
4219 | hidnplayr | 820 | mov ecx, -1 |
3704 | hidnplayr | 821 | .return: |
3673 | hidnplayr | 822 | mov [esp+20], ebx |
4219 | hidnplayr | 823 | mov [esp+32], ecx |
3565 | hidnplayr | 824 | ret |
3545 | hidnplayr | 825 | |
5364 | hidnplayr | 826 | .last_data: |
827 | test ecx, ecx |
||
828 | jz .return |
||
6011 | hidnplayr | 829 | call socket_notify ; Call me again! |
5364 | hidnplayr | 830 | jmp .return |
3565 | hidnplayr | 831 | |
3658 | hidnplayr | 832 | |
3704 | hidnplayr | 833 | |
834 | |||
3545 | hidnplayr | 835 | align 4 |
6011 | hidnplayr | 836 | socket_receive_dgram: |
3704 | hidnplayr | 837 | |
3556 | hidnplayr | 838 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 839 | |
5976 | hidnplayr | 840 | test edi, MSG_PEEK |
841 | jnz .peek |
||
3545 | hidnplayr | 842 | |
5976 | hidnplayr | 843 | mov ebx, esi ; buffer length |
844 | |||
3704 | hidnplayr | 845 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 846 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 847 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 848 | |
3704 | hidnplayr | 849 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 850 | ja .too_small |
851 | |||
4219 | hidnplayr | 852 | push eax ecx |
3545 | hidnplayr | 853 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
854 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 855 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 856 | |
3704 | hidnplayr | 857 | ; copy the data from kernel buffer to application buffer |
858 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 859 | shr ecx, 1 |
860 | jnc .nb |
||
861 | movsb |
||
862 | .nb: |
||
863 | shr ecx, 1 |
||
864 | jnc .nw |
||
865 | movsw |
||
866 | .nw: |
||
867 | test ecx, ecx |
||
868 | jz .nd |
||
3711 | clevermous | 869 | rep movsd |
3545 | hidnplayr | 870 | .nd: |
871 | |||
6011 | hidnplayr | 872 | call net_buff_free |
4219 | hidnplayr | 873 | pop ecx eax ; return number of bytes copied to application |
5976 | hidnplayr | 874 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
875 | je @f |
||
6011 | hidnplayr | 876 | call socket_notify ; Queue another network event |
5976 | hidnplayr | 877 | @@: |
878 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 879 | ret |
880 | |||
881 | .too_small: |
||
4219 | hidnplayr | 882 | mov ecx, -1 |
3704 | hidnplayr | 883 | push EMSGSIZE |
884 | pop ebx |
||
3565 | hidnplayr | 885 | ret |
3545 | hidnplayr | 886 | |
3658 | hidnplayr | 887 | .wouldblock: |
3704 | hidnplayr | 888 | push EWOULDBLOCK |
889 | pop ebx |
||
3658 | hidnplayr | 890 | ret |
3545 | hidnplayr | 891 | |
5976 | hidnplayr | 892 | .peek: |
893 | xor ebx, ebx |
||
894 | xor ecx, ecx |
||
895 | cmp [eax + SOCKET_QUEUE_LOCATION + queue.size], 0 |
||
896 | je @f |
||
897 | mov esi, [eax + SOCKET_QUEUE_LOCATION + queue.r_ptr] |
||
898 | mov ecx, [esi + socket_queue_entry.data_size] |
||
899 | @@: |
||
900 | ret |
||
3658 | hidnplayr | 901 | |
7974 | hidnplayr | 902 | align 4 |
903 | socket_receive_tcp: |
||
3704 | hidnplayr | 904 | |
7974 | hidnplayr | 905 | call socket_receive_stream |
906 | |||
907 | test ecx, ecx |
||
908 | jz @f |
||
909 | push eax ebx ecx |
||
910 | call tcp_output |
||
911 | pop ecx ebx eax |
||
912 | @@: |
||
913 | |||
914 | ret |
||
915 | |||
916 | |||
3545 | hidnplayr | 917 | align 4 |
6011 | hidnplayr | 918 | socket_receive_local: |
3545 | hidnplayr | 919 | |
920 | ; does this socket have a PID yet? |
||
921 | cmp [eax + SOCKET.PID], 0 |
||
922 | jne @f |
||
923 | |||
924 | ; Change PID to that of current process |
||
925 | mov ebx, [TASK_BASE] |
||
926 | mov ebx, [ebx + TASKDATA.pid] |
||
927 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 928 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 929 | @@: |
930 | |||
6011 | hidnplayr | 931 | mov [eax + SOCKET.rcv_proc], socket_receive_stream |
3545 | hidnplayr | 932 | |
3704 | hidnplayr | 933 | ; ... continue to SOCKET_receive_stream |
934 | |||
3545 | hidnplayr | 935 | align 4 |
6011 | hidnplayr | 936 | socket_receive_stream: |
3545 | hidnplayr | 937 | |
3556 | hidnplayr | 938 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 939 | |
7680 | hidnplayr | 940 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
3704 | hidnplayr | 941 | je .wouldblock |
942 | |||
943 | test edi, MSG_PEEK |
||
944 | jnz .peek |
||
945 | |||
3545 | hidnplayr | 946 | mov ecx, esi |
947 | mov edi, edx |
||
948 | xor edx, edx |
||
949 | |||
4219 | hidnplayr | 950 | push eax |
3545 | hidnplayr | 951 | add eax, STREAM_SOCKET.rcv |
6011 | hidnplayr | 952 | call socket_ring_read ; copy data from kernel buffer to application buffer |
953 | call socket_ring_free ; free read memory |
||
4219 | hidnplayr | 954 | pop eax |
3545 | hidnplayr | 955 | |
7680 | hidnplayr | 956 | cmp [eax + STREAM_SOCKET.rcv.size], 0 |
5364 | hidnplayr | 957 | jne .more_data |
3704 | hidnplayr | 958 | xor ebx, ebx ; errorcode = 0 (no error) |
3545 | hidnplayr | 959 | ret |
960 | |||
5364 | hidnplayr | 961 | .more_data: |
6011 | hidnplayr | 962 | call socket_notify ; Queue another network event |
5364 | hidnplayr | 963 | xor ebx, ebx ; errorcode = 0 (no error) |
964 | ret |
||
965 | |||
3704 | hidnplayr | 966 | .wouldblock: |
967 | push EWOULDBLOCK |
||
968 | pop ebx |
||
4219 | hidnplayr | 969 | xor ecx, ecx |
3704 | hidnplayr | 970 | ret |
971 | |||
3545 | hidnplayr | 972 | .peek: |
7680 | hidnplayr | 973 | mov ecx, [eax + STREAM_SOCKET.rcv.size] |
3704 | hidnplayr | 974 | xor ebx, ebx |
3545 | hidnplayr | 975 | ret |
976 | |||
977 | |||
5976 | hidnplayr | 978 | ;-----------------------------------------------------------------; |
979 | ; ; |
||
6011 | hidnplayr | 980 | ; socket_send: Send some data to the remote end. ; |
5976 | hidnplayr | 981 | ; ; |
982 | ; IN: ecx = socket number ; |
||
983 | ; edx = pointer to data ; |
||
984 | ; esi = data length ; |
||
985 | ; edi = flags ; |
||
986 | ; ; |
||
987 | ; OUT: eax = number of bytes sent ; |
||
988 | ; eax = -1 on error ; |
||
989 | ; ebx = errorcode on error ; |
||
990 | ; ; |
||
991 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 992 | align 4 |
6011 | hidnplayr | 993 | socket_send: |
3545 | hidnplayr | 994 | |
3556 | hidnplayr | 995 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 996 | |
6011 | hidnplayr | 997 | call socket_num_to_ptr |
5969 | hidnplayr | 998 | test eax, eax |
3658 | hidnplayr | 999 | jz .invalid |
3545 | hidnplayr | 1000 | |
1001 | mov ecx, esi |
||
1002 | mov esi, edx |
||
1003 | |||
1004 | jmp [eax + SOCKET.snd_proc] |
||
1005 | |||
3658 | hidnplayr | 1006 | .invalid: |
3673 | hidnplayr | 1007 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1008 | mov dword[esp+32], -1 |
1009 | ret |
||
3545 | hidnplayr | 1010 | |
3658 | hidnplayr | 1011 | |
3545 | hidnplayr | 1012 | align 4 |
6011 | hidnplayr | 1013 | socket_send_udp: |
3545 | hidnplayr | 1014 | |
3556 | hidnplayr | 1015 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 1016 | |
1017 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1018 | call udp_output |
3545 | hidnplayr | 1019 | cmp eax, -1 |
3658 | hidnplayr | 1020 | je .error |
3545 | hidnplayr | 1021 | ret |
1022 | |||
3658 | hidnplayr | 1023 | .error: |
1024 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1025 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 1026 | ret |
3545 | hidnplayr | 1027 | |
3658 | hidnplayr | 1028 | |
3545 | hidnplayr | 1029 | align 4 |
6011 | hidnplayr | 1030 | socket_send_tcp: |
3545 | hidnplayr | 1031 | |
3556 | hidnplayr | 1032 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1033 | |
1034 | push eax |
||
1035 | add eax, STREAM_SOCKET.snd |
||
6011 | hidnplayr | 1036 | call socket_ring_write |
3545 | hidnplayr | 1037 | pop eax |
1038 | |||
1039 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1040 | mov [eax + SOCKET.errorcode], 0 |
1041 | push eax |
||
6011 | hidnplayr | 1042 | call tcp_output ; FIXME: this doesnt look pretty, does it? |
3658 | hidnplayr | 1043 | pop eax |
1044 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 1045 | mov [esp+20], eax |
3545 | hidnplayr | 1046 | ret |
1047 | |||
1048 | |||
1049 | align 4 |
||
6011 | hidnplayr | 1050 | socket_send_ip: |
3545 | hidnplayr | 1051 | |
3556 | hidnplayr | 1052 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1053 | |
1054 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1055 | call ipv4_output_raw |
3545 | hidnplayr | 1056 | cmp eax, -1 |
3658 | hidnplayr | 1057 | je .error |
3545 | hidnplayr | 1058 | ret |
1059 | |||
3658 | hidnplayr | 1060 | .error: |
5842 | hidnplayr | 1061 | mov dword[esp+32], eax |
1062 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1063 | ret |
3545 | hidnplayr | 1064 | |
3658 | hidnplayr | 1065 | |
3545 | hidnplayr | 1066 | align 4 |
6011 | hidnplayr | 1067 | socket_send_icmp: |
3545 | hidnplayr | 1068 | |
3556 | hidnplayr | 1069 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1070 | |
1071 | mov [esp+32], ecx |
||
6011 | hidnplayr | 1072 | call icmp_output_raw |
3545 | hidnplayr | 1073 | cmp eax, -1 |
3658 | hidnplayr | 1074 | je .error |
3545 | hidnplayr | 1075 | ret |
1076 | |||
3658 | hidnplayr | 1077 | .error: |
5842 | hidnplayr | 1078 | mov dword[esp+32], eax |
1079 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1080 | ret |
3545 | hidnplayr | 1081 | |
3658 | hidnplayr | 1082 | |
3545 | hidnplayr | 1083 | align 4 |
6011 | hidnplayr | 1084 | socket_send_pppoe: |
3545 | hidnplayr | 1085 | |
3556 | hidnplayr | 1086 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1087 | |
1088 | mov [esp+32], ecx |
||
1089 | mov ebx, [eax + SOCKET.device] |
||
1090 | |||
6011 | hidnplayr | 1091 | call pppoe_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1092 | cmp eax, -1 |
3658 | hidnplayr | 1093 | je .error |
3545 | hidnplayr | 1094 | ret |
1095 | |||
3658 | hidnplayr | 1096 | .error: |
1097 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1098 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1099 | ret |
3545 | hidnplayr | 1100 | |
1101 | |||
3658 | hidnplayr | 1102 | |
3545 | hidnplayr | 1103 | align 4 |
6011 | hidnplayr | 1104 | socket_send_local: |
3545 | hidnplayr | 1105 | |
1106 | ; does this socket have a PID yet? |
||
1107 | cmp [eax + SOCKET.PID], 0 |
||
1108 | jne @f |
||
1109 | |||
1110 | ; Change PID to that of current process |
||
1111 | mov ebx, [TASK_BASE] |
||
1112 | mov ebx, [ebx + TASKDATA.pid] |
||
1113 | mov [eax + SOCKET.PID], ebx |
||
1114 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1115 | @@: |
||
6011 | hidnplayr | 1116 | mov [eax + SOCKET.snd_proc], socket_send_local_initialized |
3545 | hidnplayr | 1117 | |
1118 | align 4 |
||
6011 | hidnplayr | 1119 | socket_send_local_initialized: |
3545 | hidnplayr | 1120 | |
3556 | hidnplayr | 1121 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1122 | |
1123 | ; get the other side's socket and check if it still exists |
||
1124 | mov eax, [eax + SOCKET.device] |
||
6011 | hidnplayr | 1125 | call socket_check |
3658 | hidnplayr | 1126 | jz .invalid |
3545 | hidnplayr | 1127 | |
1128 | ; allright, shove in the data! |
||
1129 | push eax |
||
1130 | add eax, STREAM_SOCKET.rcv |
||
6011 | hidnplayr | 1131 | call socket_ring_write |
3545 | hidnplayr | 1132 | pop eax |
1133 | |||
1134 | ; return the number of written bytes (or errorcode) to application |
||
1135 | mov [esp+32], ecx |
||
1136 | |||
1137 | ; and notify the other end |
||
6011 | hidnplayr | 1138 | call socket_notify |
3545 | hidnplayr | 1139 | |
1140 | ret |
||
1141 | |||
3658 | hidnplayr | 1142 | .invalid: |
1143 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1144 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1145 | ret |
3545 | hidnplayr | 1146 | |
3658 | hidnplayr | 1147 | |
5976 | hidnplayr | 1148 | ;-----------------------------------------------------------------; |
1149 | ; ; |
||
6011 | hidnplayr | 1150 | ; socket_get_opt: Read a socket option ; |
5976 | hidnplayr | 1151 | ; ; |
1152 | ; IN: ecx = socket number ; |
||
1153 | ; edx = pointer to socket options struct ; |
||
1154 | ; ; |
||
1155 | ; OUT: eax = 0 on success ; |
||
1156 | ; eax = -1 on error ; |
||
1157 | ; ebx = errorcode on error ; |
||
1158 | ; ; |
||
1159 | ;-----------------------------------------------------------------; |
||
1160 | align 4 |
||
6011 | hidnplayr | 1161 | socket_get_opt: |
5976 | hidnplayr | 1162 | |
1163 | ; FIXME: |
||
3545 | hidnplayr | 1164 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
1165 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1166 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1167 | |||
3556 | hidnplayr | 1168 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1169 | |
6011 | hidnplayr | 1170 | call socket_num_to_ptr |
5969 | hidnplayr | 1171 | test eax, eax |
3658 | hidnplayr | 1172 | jz .invalid |
3545 | hidnplayr | 1173 | |
1174 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1175 | jne .invalid |
3545 | hidnplayr | 1176 | cmp dword [edx+4], -2 |
1177 | je @f |
||
1178 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1179 | jne .invalid |
3545 | hidnplayr | 1180 | @@: |
1181 | ; mov eax, [edx+12] |
||
1182 | ; test eax, eax |
||
1183 | ; jz .fail |
||
1184 | ; cmp dword [eax], 4 |
||
1185 | ; mov dword [eax], 4 |
||
1186 | ; jb .fail |
||
1187 | ; stdcall net_socket_num_to_addr, ecx |
||
1188 | ; test eax, eax |
||
1189 | ; jz .fail |
||
1190 | ; ; todo: check that eax is really TCP socket |
||
1191 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1192 | ; cmp dword [edx+4], -2 |
||
1193 | ; jz @f |
||
1194 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1195 | @@: |
||
1196 | mov eax, [edx+8] |
||
1197 | test eax, eax |
||
1198 | jz @f |
||
1199 | mov [eax], ecx |
||
1200 | @@: |
||
1201 | mov dword [esp+32], 0 |
||
1202 | ret |
||
1203 | |||
3658 | hidnplayr | 1204 | .invalid: |
1205 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1206 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1207 | ret |
3545 | hidnplayr | 1208 | |
1209 | |||
5976 | hidnplayr | 1210 | ;-----------------------------------------------------------------; |
1211 | ; ; |
||
6011 | hidnplayr | 1212 | ; socket_set_options: Set a socket option. ; |
5976 | hidnplayr | 1213 | ; ; |
1214 | ; IN: ecx = socket number ; |
||
1215 | ; edx = pointer to socket options struct ; |
||
1216 | ; ; |
||
1217 | ; OUT: eax = 0 on success ; |
||
1218 | ; eax = -1 on error ; |
||
1219 | ; ebx = errorcode on error ; |
||
1220 | ; ; |
||
1221 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1222 | align 4 |
6011 | hidnplayr | 1223 | socket_set_opt: |
3545 | hidnplayr | 1224 | |
3556 | hidnplayr | 1225 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1226 | |
6011 | hidnplayr | 1227 | call socket_num_to_ptr |
5969 | hidnplayr | 1228 | test eax, eax |
3658 | hidnplayr | 1229 | jz .invalid |
3545 | hidnplayr | 1230 | |
5842 | hidnplayr | 1231 | cmp [edx + socket_options.level], IP_PROTO_IP |
1232 | je .ip |
||
1233 | cmp [edx + socket_options.level], SOL_SOCKET |
||
3658 | hidnplayr | 1234 | jne .invalid |
3545 | hidnplayr | 1235 | |
5842 | hidnplayr | 1236 | .socket: |
1237 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
||
1238 | jne .invalid |
||
3545 | hidnplayr | 1239 | |
1240 | .bind: |
||
5842 | hidnplayr | 1241 | cmp [edx + socket_options.optlen], 0 |
3545 | hidnplayr | 1242 | je .unbind |
1243 | |||
5842 | hidnplayr | 1244 | movzx edx, byte[edx + socket_options.optval] |
3600 | hidnplayr | 1245 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1246 | ja .invalid |
3545 | hidnplayr | 1247 | |
7679 | hidnplayr | 1248 | mov edx, [net_device_list + 4*edx] |
3545 | hidnplayr | 1249 | test edx, edx |
3658 | hidnplayr | 1250 | jz .already |
3545 | hidnplayr | 1251 | mov [eax + SOCKET.device], edx |
1252 | |||
5584 | hidnplayr | 1253 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
3545 | hidnplayr | 1254 | |
3658 | hidnplayr | 1255 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1256 | ret |
1257 | |||
1258 | .unbind: |
||
1259 | mov [eax + SOCKET.device], 0 |
||
1260 | |||
3658 | hidnplayr | 1261 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1262 | ret |
1263 | |||
5842 | hidnplayr | 1264 | .ip: |
1265 | cmp [edx + socket_options.optname], IP_TTL |
||
1266 | jne .invalid |
||
1267 | |||
1268 | .ttl: |
||
1269 | mov bl, byte[edx + socket_options.optval] |
||
1270 | mov [eax + IP_SOCKET.ttl], bl |
||
1271 | |||
1272 | mov dword[esp+32], 0 ; success! |
||
1273 | ret |
||
1274 | |||
3658 | hidnplayr | 1275 | .already: |
3673 | hidnplayr | 1276 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1277 | mov dword[esp+32], -1 |
1278 | ret |
||
3545 | hidnplayr | 1279 | |
5842 | hidnplayr | 1280 | .invalid: |
1281 | mov dword[esp+20], EINVAL |
||
1282 | mov dword[esp+32], -1 |
||
1283 | ret |
||
3545 | hidnplayr | 1284 | |
3658 | hidnplayr | 1285 | |
1286 | |||
5842 | hidnplayr | 1287 | |
5976 | hidnplayr | 1288 | ;-----------------------------------------------------------------; |
1289 | ; ; |
||
6011 | hidnplayr | 1290 | ; socket_pair: Allocate a pair of linked local sockets. ; |
5976 | hidnplayr | 1291 | ; ; |
1292 | ; IN: / ; |
||
1293 | ; ; |
||
1294 | ; OUT: eax = socket1 num on success ; |
||
1295 | ; eax = -1 on error ; |
||
1296 | ; ebx = socket2 num on success ; |
||
1297 | ; ebx = errorcode on error ; |
||
1298 | ; ; |
||
1299 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1300 | align 4 |
6011 | hidnplayr | 1301 | socket_pair: |
3545 | hidnplayr | 1302 | |
3556 | hidnplayr | 1303 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1304 | |
6011 | hidnplayr | 1305 | call socket_alloc |
4535 | hidnplayr | 1306 | test eax, eax |
3658 | hidnplayr | 1307 | jz .nomem1 |
3545 | hidnplayr | 1308 | mov [esp+32], edi ; application's eax |
1309 | |||
1310 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1311 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1312 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1313 | mov [eax + SOCKET.snd_proc], socket_send_local |
1314 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1315 | mov [eax + SOCKET.PID], 0 |
1316 | mov ebx, eax |
||
1317 | |||
6011 | hidnplayr | 1318 | call socket_alloc |
4535 | hidnplayr | 1319 | test eax, eax |
3658 | hidnplayr | 1320 | jz .nomem2 |
3673 | hidnplayr | 1321 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1322 | |
1323 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1324 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1325 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
6011 | hidnplayr | 1326 | mov [eax + SOCKET.snd_proc], socket_send_local |
1327 | mov [eax + SOCKET.rcv_proc], socket_receive_local |
||
3545 | hidnplayr | 1328 | mov [eax + SOCKET.PID], 0 |
1329 | |||
1330 | ; Link the two sockets to eachother |
||
1331 | mov [eax + SOCKET.device], ebx |
||
1332 | mov [ebx + SOCKET.device], eax |
||
1333 | |||
1334 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1335 | call socket_ring_create |
5155 | hidnplayr | 1336 | test eax, eax |
5969 | hidnplayr | 1337 | jz .nomem2 |
3545 | hidnplayr | 1338 | |
1339 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
6011 | hidnplayr | 1340 | call socket_ring_create |
5155 | hidnplayr | 1341 | test eax, eax |
1342 | jz .nomem2 |
||
3545 | hidnplayr | 1343 | |
1344 | ret |
||
1345 | |||
3658 | hidnplayr | 1346 | .nomem2: |
5969 | hidnplayr | 1347 | mov eax, [esp+20] |
6011 | hidnplayr | 1348 | call socket_free |
5969 | hidnplayr | 1349 | |
3658 | hidnplayr | 1350 | .nomem1: |
5969 | hidnplayr | 1351 | mov eax, [esp+32] |
6011 | hidnplayr | 1352 | call socket_free |
5969 | hidnplayr | 1353 | |
3658 | hidnplayr | 1354 | mov dword[esp+32], -1 |
5969 | hidnplayr | 1355 | mov dword[esp+20], ENOMEM |
3658 | hidnplayr | 1356 | ret |
3545 | hidnplayr | 1357 | |
1358 | |||
1359 | |||
5976 | hidnplayr | 1360 | ;-----------------------------------------------------------------; |
1361 | ; ; |
||
6011 | hidnplayr | 1362 | ; socket_debug: Copy socket variables to application buffer. ; |
5976 | hidnplayr | 1363 | ; ; |
1364 | ; IN: ecx = socket number ; |
||
1365 | ; edx = pointer to application buffer ; |
||
1366 | ; ; |
||
1367 | ; OUT: eax = 0 on success ; |
||
1368 | ; eax = -1 on error ; |
||
1369 | ; ebx = errorcode on error ; |
||
1370 | ; ; |
||
1371 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1372 | align 4 |
6011 | hidnplayr | 1373 | socket_debug: |
3545 | hidnplayr | 1374 | |
3556 | hidnplayr | 1375 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1376 | |
1377 | mov edi, edx |
||
1378 | |||
1379 | test ecx, ecx |
||
1380 | jz .returnall |
||
1381 | |||
6011 | hidnplayr | 1382 | call socket_num_to_ptr |
5969 | hidnplayr | 1383 | test eax, eax |
3658 | hidnplayr | 1384 | jz .invalid |
3545 | hidnplayr | 1385 | |
1386 | mov esi, eax |
||
6413 | hidnplayr | 1387 | mov ecx, SOCKET_STRUCT_SIZE/4 |
3711 | clevermous | 1388 | rep movsd |
3545 | hidnplayr | 1389 | |
3658 | hidnplayr | 1390 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1391 | ret |
1392 | |||
1393 | .returnall: |
||
1394 | mov ebx, net_sockets |
||
1395 | .next_socket: |
||
1396 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1397 | test ebx, ebx |
||
1398 | jz .done |
||
1399 | mov eax, [ebx + SOCKET.Number] |
||
1400 | stosd |
||
1401 | jmp .next_socket |
||
1402 | .done: |
||
1403 | xor eax, eax |
||
1404 | stosd |
||
3658 | hidnplayr | 1405 | mov dword[esp+32], eax |
1406 | ret |
||
3545 | hidnplayr | 1407 | |
3658 | hidnplayr | 1408 | .invalid: |
1409 | mov dword[esp+32], -1 |
||
5969 | hidnplayr | 1410 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 1411 | ret |
1412 | |||
1413 | |||
5976 | hidnplayr | 1414 | ;-----------------------------------------------------------------; |
1415 | ; ____ ____ ; |
||
1416 | ; \ / End of sockets API \ / ; |
||
1417 | ; \/ \/ ; |
||
1418 | ; () Internally used functions follow () ; |
||
1419 | ; ; |
||
1420 | ;-----------------------------------------------------------------; |
||
1421 | |||
1422 | |||
1423 | ;-----------------------------------------------------------------; |
||
1424 | ; ; |
||
6011 | hidnplayr | 1425 | ; socket_find_port: ; |
5976 | hidnplayr | 1426 | ; Fill in the local port number for TCP and UDP sockets ; |
1427 | ; This procedure always works because the number of sockets is ; |
||
1428 | ; limited to a smaller number then the number of possible ports ; |
||
1429 | ; ; |
||
1430 | ; IN: eax = socket pointer ; |
||
1431 | ; ; |
||
1432 | ; OUT: / ; |
||
1433 | ; ; |
||
1434 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1435 | align 4 |
6011 | hidnplayr | 1436 | socket_find_port: |
3545 | hidnplayr | 1437 | |
3556 | hidnplayr | 1438 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1439 | |
1440 | push ebx esi ecx |
||
1441 | |||
1442 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1443 | je .udp |
||
1444 | |||
1445 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1446 | je .tcp |
||
1447 | |||
1448 | pop ecx esi ebx |
||
1449 | ret |
||
1450 | |||
1451 | .udp: |
||
1452 | mov bx, [last_UDP_port] |
||
1453 | call .findit |
||
1454 | mov [last_UDP_port], bx |
||
1455 | |||
1456 | pop ecx esi ebx |
||
1457 | ret |
||
1458 | |||
1459 | .tcp: |
||
1460 | mov bx, [last_TCP_port] |
||
1461 | call .findit |
||
1462 | mov [last_TCP_port], bx |
||
1463 | |||
1464 | pop ecx esi ebx |
||
1465 | ret |
||
1466 | |||
1467 | |||
1468 | .restart: |
||
1469 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1470 | .findit: |
||
1471 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1472 | je .restart |
||
1473 | |||
1474 | add bh, 1 |
||
1475 | adc bl, 0 |
||
1476 | |||
6011 | hidnplayr | 1477 | call socket_check_port |
3545 | hidnplayr | 1478 | jz .findit |
1479 | ret |
||
1480 | |||
1481 | |||
1482 | |||
5976 | hidnplayr | 1483 | ;-----------------------------------------------------------------; |
1484 | ; ; |
||
6011 | hidnplayr | 1485 | ; socket_check_port: (to be used with AF_INET only!) ; |
5976 | hidnplayr | 1486 | ; Checks if a local port number is unused ; |
1487 | ; If the proposed port number is unused, it is filled in in the ; |
||
6011 | hidnplayr | 1488 | ; socket structure. ; |
5976 | hidnplayr | 1489 | ; ; |
1490 | ; IN: eax = socket ptr ; |
||
1491 | ; bx = proposed socket number (network byte order) ; |
||
1492 | ; ; |
||
1493 | ; OUT: ZF = set on error ; |
||
1494 | ; ; |
||
1495 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1496 | align 4 |
6011 | hidnplayr | 1497 | socket_check_port: |
3545 | hidnplayr | 1498 | |
3556 | hidnplayr | 1499 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1500 | |
3647 | hidnplayr | 1501 | pusha |
1502 | mov ecx, socket_mutex |
||
1503 | call mutex_lock |
||
1504 | popa |
||
1505 | |||
3545 | hidnplayr | 1506 | mov ecx, [eax + SOCKET.Protocol] |
1507 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1508 | mov esi, net_sockets |
||
1509 | |||
1510 | .next_socket: |
||
1511 | mov esi, [esi + SOCKET.NextPtr] |
||
1512 | or esi, esi |
||
1513 | jz .port_ok |
||
1514 | |||
1515 | cmp [esi + SOCKET.Protocol], ecx |
||
1516 | jne .next_socket |
||
1517 | |||
1518 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1519 | jne .next_socket |
||
1520 | |||
1521 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1522 | jne .next_socket |
||
1523 | |||
3647 | hidnplayr | 1524 | pusha |
1525 | mov ecx, socket_mutex |
||
1526 | call mutex_unlock |
||
1527 | popa |
||
1528 | |||
3556 | hidnplayr | 1529 | 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 | 1530 | ret |
1531 | |||
1532 | .port_ok: |
||
3647 | hidnplayr | 1533 | pusha |
1534 | mov ecx, socket_mutex |
||
1535 | call mutex_unlock |
||
1536 | popa |
||
1537 | |||
3556 | hidnplayr | 1538 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1539 | mov [eax + UDP_SOCKET.LocalPort], bx |
1540 | or bx, bx ; clear the zero-flag |
||
1541 | ret |
||
1542 | |||
1543 | |||
1544 | |||
5976 | hidnplayr | 1545 | ;-----------------------------------------------------------------; |
1546 | ; ; |
||
6011 | hidnplayr | 1547 | ; socket_input: Update a (stateless) socket with received data. ; |
5976 | hidnplayr | 1548 | ; ; |
1549 | ; Note: The socket's mutex should already be set ! ; |
||
1550 | ; ; |
||
1551 | ; IN: eax = socket ptr ; |
||
1552 | ; ecx = data size ; |
||
1553 | ; esi = ptr to data ; |
||
1554 | ; [esp] = ptr to buf ; |
||
1555 | ; ; |
||
1556 | ; OUT: / ; |
||
1557 | ; ; |
||
1558 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1559 | align 4 |
6011 | hidnplayr | 1560 | socket_input: |
3545 | hidnplayr | 1561 | |
3556 | hidnplayr | 1562 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1563 | |
5522 | hidnplayr | 1564 | push ecx |
3545 | hidnplayr | 1565 | push esi |
1566 | mov esi, esp |
||
1567 | |||
6011 | hidnplayr | 1568 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .full |
3545 | hidnplayr | 1569 | |
3556 | hidnplayr | 1570 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1571 | add esp, sizeof.socket_queue_entry |
1572 | |||
1573 | pusha |
||
1574 | lea ecx, [eax + SOCKET.mutex] |
||
1575 | call mutex_unlock |
||
1576 | popa |
||
1577 | |||
6011 | hidnplayr | 1578 | jmp socket_notify |
3545 | hidnplayr | 1579 | |
1580 | .full: |
||
7680 | hidnplayr | 1581 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1582 | |
1583 | pusha |
||
1584 | lea ecx, [eax + SOCKET.mutex] |
||
1585 | call mutex_unlock |
||
1586 | popa |
||
1587 | |||
5842 | hidnplayr | 1588 | add esp, 8 |
6011 | hidnplayr | 1589 | call net_buff_free |
3545 | hidnplayr | 1590 | ret |
1591 | |||
1592 | |||
5976 | hidnplayr | 1593 | ;-----------------------------------------------------------------; |
1594 | ; ; |
||
6011 | hidnplayr | 1595 | ; socket_ring_create: Create a ringbuffer for sockets. ; |
5976 | hidnplayr | 1596 | ; ; |
1597 | ; IN: eax = ptr to ring struct ; |
||
1598 | ; ; |
||
1599 | ; OUT: eax = 0 on error ; |
||
1600 | ; eax = start ptr ; |
||
1601 | ; ; |
||
1602 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1603 | align 4 |
6011 | hidnplayr | 1604 | socket_ring_create: |
3545 | hidnplayr | 1605 | |
1606 | push esi |
||
1607 | mov esi, eax |
||
1608 | |||
1609 | push edx |
||
6413 | hidnplayr | 1610 | stdcall create_ring_buffer, SOCKET_BUFFER_SIZE, PG_SWR |
3545 | hidnplayr | 1611 | pop edx |
5155 | hidnplayr | 1612 | test eax, eax |
1613 | jz .fail |
||
3545 | hidnplayr | 1614 | |
5969 | hidnplayr | 1615 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
3545 | hidnplayr | 1616 | |
1617 | pusha |
||
1618 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1619 | call mutex_init |
||
1620 | popa |
||
1621 | |||
1622 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1623 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1624 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1625 | mov [esi + RING_BUFFER.size], 0 |
||
6413 | hidnplayr | 1626 | add eax, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1627 | mov [esi + RING_BUFFER.end_ptr], eax |
1628 | mov eax, esi |
||
1629 | |||
5969 | hidnplayr | 1630 | pop esi |
1631 | ret |
||
1632 | |||
5155 | hidnplayr | 1633 | .fail: |
5969 | hidnplayr | 1634 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
5566 | hidnplayr | 1635 | pop esi |
3545 | hidnplayr | 1636 | ret |
1637 | |||
5976 | hidnplayr | 1638 | ;-----------------------------------------------------------------; |
1639 | ; ; |
||
6011 | hidnplayr | 1640 | ; socket_ring_write: Write data to ring buffer. ; |
5976 | hidnplayr | 1641 | ; ; |
1642 | ; IN: eax = ptr to ring struct ; |
||
1643 | ; ecx = data size ; |
||
1644 | ; esi = ptr to data ; |
||
1645 | ; ; |
||
1646 | ; OUT: ecx = number of bytes stored ; |
||
1647 | ; ; |
||
1648 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1649 | align 4 |
6011 | hidnplayr | 1650 | socket_ring_write: |
3545 | hidnplayr | 1651 | |
3556 | hidnplayr | 1652 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1653 | |
1654 | ; lock mutex |
||
1655 | pusha |
||
1656 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1657 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1658 | popa |
||
1659 | |||
1660 | ; calculate available size |
||
6413 | hidnplayr | 1661 | mov edi, SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1662 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
1663 | cmp ecx, edi |
||
1664 | jbe .copy |
||
1665 | mov ecx, edi |
||
1666 | .copy: |
||
1667 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1668 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1669 | |
1670 | ; update write ptr |
||
1671 | push edi |
||
1672 | add edi, ecx |
||
1673 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1674 | jb @f |
||
6413 | hidnplayr | 1675 | sub edi, SOCKET_BUFFER_SIZE ; WRAP |
3545 | hidnplayr | 1676 | @@: |
1677 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1678 | pop edi |
||
1679 | |||
1680 | ; update size |
||
1681 | add [eax + RING_BUFFER.size], ecx |
||
1682 | |||
1683 | ; copy the data |
||
1684 | push ecx |
||
1685 | shr ecx, 1 |
||
1686 | jnc .nb |
||
1687 | movsb |
||
1688 | .nb: |
||
1689 | shr ecx, 1 |
||
1690 | jnc .nw |
||
1691 | movsw |
||
1692 | .nw: |
||
1693 | test ecx, ecx |
||
1694 | jz .nd |
||
3711 | clevermous | 1695 | rep movsd |
3545 | hidnplayr | 1696 | .nd: |
1697 | pop ecx |
||
1698 | |||
1699 | ; unlock mutex |
||
4344 | hidnplayr | 1700 | pusha |
3545 | hidnplayr | 1701 | lea ecx, [eax + RING_BUFFER.mutex] |
1702 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
4344 | hidnplayr | 1703 | popa |
3545 | hidnplayr | 1704 | |
1705 | ret |
||
1706 | |||
5976 | hidnplayr | 1707 | ;-----------------------------------------------------------------; |
1708 | ; ; |
||
6011 | hidnplayr | 1709 | ; socket_ring_read: Read from ring buffer ; |
5976 | hidnplayr | 1710 | ; ; |
1711 | ; IN: eax = ring struct ptr ; |
||
1712 | ; ecx = bytes to read ; |
||
1713 | ; edx = offset ; |
||
1714 | ; edi = ptr to buffer start ; |
||
1715 | ; ; |
||
1716 | ; OUT: eax = unchanged ; |
||
1717 | ; ecx = number of bytes read (0 on error) ; |
||
1718 | ; edx = destroyed ; |
||
1719 | ; esi = destroyed ; |
||
1720 | ; edi = ptr to buffer end ; |
||
1721 | ; ; |
||
1722 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1723 | align 4 |
6011 | hidnplayr | 1724 | socket_ring_read: |
3545 | hidnplayr | 1725 | |
3556 | hidnplayr | 1726 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1727 | |
1728 | pusha |
||
1729 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1730 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1731 | popa |
||
1732 | |||
1733 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1734 | add esi, edx ; esi = start_ptr + offset |
||
1735 | |||
1736 | neg edx |
||
1737 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1738 | jle .no_data_at_all |
||
1739 | |||
1740 | pusha |
||
1741 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1742 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1743 | popa |
||
1744 | |||
1745 | cmp ecx, edx |
||
1746 | ja .less_data |
||
1747 | |||
1748 | .copy: |
||
3556 | hidnplayr | 1749 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1750 | push ecx |
1751 | shr ecx, 1 |
||
1752 | jnc .nb |
||
1753 | movsb |
||
1754 | .nb: |
||
1755 | shr ecx, 1 |
||
1756 | jnc .nw |
||
1757 | movsw |
||
1758 | .nw: |
||
1759 | test ecx, ecx |
||
1760 | jz .nd |
||
3711 | clevermous | 1761 | rep movsd |
3545 | hidnplayr | 1762 | .nd: |
1763 | pop ecx |
||
1764 | ret |
||
1765 | |||
1766 | .no_data_at_all: |
||
1767 | pusha |
||
1768 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1769 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1770 | popa |
||
1771 | |||
7680 | hidnplayr | 1772 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1773 | xor ecx, ecx |
1774 | ret |
||
1775 | |||
1776 | .less_data: |
||
1777 | mov ecx, edx |
||
1778 | jmp .copy |
||
1779 | |||
1780 | |||
5976 | hidnplayr | 1781 | ;-----------------------------------------------------------------; |
1782 | ; ; |
||
6011 | hidnplayr | 1783 | ; socket_ring_free: Free data from a ringbuffer. ; |
5976 | hidnplayr | 1784 | ; ; |
1785 | ; IN: eax = ptr to ring struct ; |
||
1786 | ; ecx = data size ; |
||
1787 | ; ; |
||
1788 | ; OUT: ecx = number of freed bytes ; |
||
1789 | ; ; |
||
1790 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1791 | align 4 |
6011 | hidnplayr | 1792 | socket_ring_free: |
3545 | hidnplayr | 1793 | |
3556 | hidnplayr | 1794 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1795 | |
1796 | push eax ecx |
||
1797 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1798 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1799 | pop ecx eax |
||
1800 | |||
1801 | sub [eax + RING_BUFFER.size], ecx |
||
1802 | jb .error |
||
1803 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1804 | |||
1805 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1806 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1807 | jb @f |
||
6413 | hidnplayr | 1808 | sub [eax + RING_BUFFER.read_ptr], SOCKET_BUFFER_SIZE |
3545 | hidnplayr | 1809 | @@: |
1810 | |||
1811 | push eax ecx |
||
1812 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1813 | call mutex_unlock |
||
1814 | pop ecx eax |
||
1815 | |||
1816 | ret |
||
1817 | |||
1818 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
7680 | hidnplayr | 1819 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1820 | add [eax + RING_BUFFER.size], ecx |
1821 | |||
1822 | push eax |
||
1823 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1824 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1825 | pop eax |
||
1826 | |||
1827 | xor ecx, ecx |
||
1828 | ret |
||
1829 | |||
1830 | |||
5976 | hidnplayr | 1831 | ;-----------------------------------------------------------------; |
1832 | ; ; |
||
6011 | hidnplayr | 1833 | ; socket_block: Suspend the thread attached to a socket. ; |
5976 | hidnplayr | 1834 | ; ; |
1835 | ; IN: eax = socket ptr ; |
||
1836 | ; ; |
||
1837 | ; OUT: eax = unchanged ; |
||
1838 | ; ; |
||
1839 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1840 | align 4 |
6011 | hidnplayr | 1841 | socket_block: |
3545 | hidnplayr | 1842 | |
6908 | ashmew2 | 1843 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1844 | |
4520 | hidnplayr | 1845 | push eax |
1846 | |||
3545 | hidnplayr | 1847 | pushf |
1848 | cli |
||
1849 | ; Set the 'socket is blocked' flag |
||
1850 | or [eax + SOCKET.state], SS_BLOCKED |
||
1851 | |||
1852 | ; Suspend the thread |
||
1853 | push edx |
||
1854 | mov edx, [TASK_BASE] |
||
7974 | hidnplayr | 1855 | mov [edx + TASKDATA.state], TSTATE_RUN_SUSPENDED |
3545 | hidnplayr | 1856 | |
1857 | ; Remember the thread ID so we can wake it up again |
||
1858 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1859 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1860 | mov [eax + SOCKET.TID], edx |
1861 | pop edx |
||
4520 | hidnplayr | 1862 | popf |
3545 | hidnplayr | 1863 | |
1864 | call change_task |
||
3674 | hidnplayr | 1865 | pop eax |
3545 | hidnplayr | 1866 | |
6908 | ashmew2 | 1867 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
3545 | hidnplayr | 1868 | |
1869 | ret |
||
1870 | |||
1871 | |||
5976 | hidnplayr | 1872 | ;-----------------------------------------------------------------; |
1873 | ; ; |
||
6011 | hidnplayr | 1874 | ; socket_notify: Wake up socket owner thread. ; |
5976 | hidnplayr | 1875 | ; ; |
1876 | ; IN: eax = socket ptr ; |
||
1877 | ; ; |
||
1878 | ; OUT: eax = unchanged ; |
||
1879 | ; ; |
||
1880 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1881 | align 4 |
6011 | hidnplayr | 1882 | socket_notify: |
3545 | hidnplayr | 1883 | |
3556 | hidnplayr | 1884 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1885 | |
6011 | hidnplayr | 1886 | call socket_check |
3545 | hidnplayr | 1887 | jz .error |
1888 | |||
4527 | hidnplayr | 1889 | ; Find the associated thread's TASK_DATA |
1890 | push ebx ecx esi |
||
1891 | mov ebx, [eax + SOCKET.TID] |
||
1892 | test ebx, ebx |
||
1893 | jz .error2 |
||
1894 | xor ecx, ecx |
||
3545 | hidnplayr | 1895 | inc ecx |
4527 | hidnplayr | 1896 | mov esi, TASK_DATA |
1897 | .next: |
||
1898 | cmp [esi + TASKDATA.pid], ebx |
||
1899 | je .found |
||
1900 | inc ecx |
||
7974 | hidnplayr | 1901 | add esi, sizeof.TASKDATA |
3545 | hidnplayr | 1902 | cmp ecx, [TASK_COUNT] |
4527 | hidnplayr | 1903 | jbe .next |
1904 | |||
1905 | .error2: |
||
3545 | hidnplayr | 1906 | ; PID not found, TODO: close socket! |
4527 | hidnplayr | 1907 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1908 | pop esi ecx ebx |
||
1909 | ret |
||
3545 | hidnplayr | 1910 | |
4527 | hidnplayr | 1911 | .error: |
4528 | hidnplayr | 1912 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
4527 | hidnplayr | 1913 | ret |
1914 | |||
1915 | .found: |
||
1916 | test [eax + SOCKET.state], SS_BLOCKED |
||
4528 | hidnplayr | 1917 | jnz .un_block |
4527 | hidnplayr | 1918 | |
5976 | hidnplayr | 1919 | ; Socket and thread exists and socket is of non blocking type. |
4527 | hidnplayr | 1920 | ; We'll try to flag an event to the thread. |
3545 | hidnplayr | 1921 | shl ecx, 8 |
6908 | ashmew2 | 1922 | or [SLOT_BASE + ecx + APPDATA.event_mask], EVENT_NETWORK |
3545 | hidnplayr | 1923 | |
6413 | hidnplayr | 1924 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", ebx |
4527 | hidnplayr | 1925 | pop esi ecx ebx |
1926 | ret |
||
3545 | hidnplayr | 1927 | |
4527 | hidnplayr | 1928 | |
4528 | hidnplayr | 1929 | .un_block: |
5976 | hidnplayr | 1930 | ; Socket and thread exists and socket is of blocking type |
4527 | hidnplayr | 1931 | ; We'll try to unblock it. |
1932 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
||
7974 | hidnplayr | 1933 | mov [esi + TASKDATA.state], TSTATE_RUNNING ; Run the thread |
3545 | hidnplayr | 1934 | |
6908 | ashmew2 | 1935 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
4527 | hidnplayr | 1936 | pop esi ecx ebx |
3545 | hidnplayr | 1937 | ret |
1938 | |||
1939 | |||
5976 | hidnplayr | 1940 | ;-----------------------------------------------------------------; |
1941 | ; ; |
||
6011 | hidnplayr | 1942 | ; socket_alloc: Allocate memory for socket and put new socket ; |
1943 | ; into the list. Newly created socket is initialized with calling ; |
||
1944 | ; PID and given a socket number. ; |
||
5976 | hidnplayr | 1945 | ; ; |
1946 | ; IN: / ; |
||
1947 | ; ; |
||
1948 | ; OUT: eax = socket ptr on success ; |
||
1949 | ; eax = 0 on error ; |
||
1950 | ; edi = socket number on success ; |
||
1951 | ; ; |
||
1952 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 1953 | align 4 |
6011 | hidnplayr | 1954 | socket_alloc: |
3545 | hidnplayr | 1955 | |
1956 | push ebx |
||
1957 | |||
6413 | hidnplayr | 1958 | stdcall kernel_alloc, SOCKET_STRUCT_SIZE |
5969 | hidnplayr | 1959 | or eax, eax |
1960 | jz .nomem |
||
3556 | hidnplayr | 1961 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1962 | |
1963 | ; zero-initialize allocated memory |
||
1964 | push eax |
||
1965 | mov edi, eax |
||
6413 | hidnplayr | 1966 | mov ecx, SOCKET_STRUCT_SIZE / 4 |
3545 | hidnplayr | 1967 | xor eax, eax |
3711 | clevermous | 1968 | rep stosd |
3545 | hidnplayr | 1969 | pop eax |
1970 | |||
1971 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1972 | mov [eax + SOCKET.snd_proc], .not_yet |
1973 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1974 | |
3647 | hidnplayr | 1975 | pusha |
1976 | mov ecx, socket_mutex |
||
1977 | call mutex_lock |
||
1978 | popa |
||
1979 | |||
3545 | hidnplayr | 1980 | ; find first free socket number and use it |
1981 | mov edi, [last_socket_num] |
||
1982 | .next_socket_number: |
||
1983 | inc edi |
||
1984 | jz .next_socket_number ; avoid socket nr 0 |
||
1985 | cmp edi, -1 |
||
1986 | je .next_socket_number ; avoid socket nr -1 |
||
1987 | mov ebx, net_sockets |
||
1988 | .next_socket: |
||
1989 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1990 | test ebx, ebx |
||
1991 | jz .last_socket |
||
1992 | |||
1993 | cmp [ebx + SOCKET.Number], edi |
||
1994 | jne .next_socket |
||
1995 | jmp .next_socket_number |
||
1996 | |||
1997 | .last_socket: |
||
1998 | mov [last_socket_num], edi |
||
1999 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 2000 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 2001 | |
2002 | ; Fill in PID |
||
2003 | mov ebx, [TASK_BASE] |
||
2004 | mov ebx, [ebx + TASKDATA.pid] |
||
2005 | mov [eax + SOCKET.PID], ebx |
||
2006 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
2007 | |||
2008 | ; init mutex |
||
2009 | pusha |
||
2010 | lea ecx, [eax + SOCKET.mutex] |
||
2011 | call mutex_init |
||
2012 | popa |
||
2013 | |||
2014 | ; add socket to the list by re-arranging some pointers |
||
2015 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2016 | |||
2017 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2018 | mov [eax + SOCKET.NextPtr], ebx |
||
2019 | |||
2020 | test ebx, ebx |
||
2021 | jz @f |
||
2022 | |||
2023 | pusha |
||
2024 | lea ecx, [ebx + SOCKET.mutex] |
||
2025 | call mutex_lock |
||
2026 | popa |
||
2027 | |||
2028 | mov [ebx + SOCKET.PrevPtr], eax |
||
2029 | |||
2030 | pusha |
||
2031 | lea ecx, [ebx + SOCKET.mutex] |
||
2032 | call mutex_unlock |
||
2033 | popa |
||
2034 | @@: |
||
2035 | |||
2036 | mov [net_sockets + SOCKET.NextPtr], eax |
||
3647 | hidnplayr | 2037 | |
2038 | pusha |
||
2039 | mov ecx, socket_mutex |
||
2040 | call mutex_unlock |
||
2041 | popa |
||
3545 | hidnplayr | 2042 | pop ebx |
2043 | |||
2044 | ret |
||
2045 | |||
5969 | hidnplayr | 2046 | .nomem: |
2047 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
||
2048 | pop ebx |
||
2049 | ret |
||
2050 | |||
3658 | hidnplayr | 2051 | .not_yet: |
3673 | hidnplayr | 2052 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2053 | mov dword[esp+32], -1 |
2054 | ret |
||
3545 | hidnplayr | 2055 | |
3658 | hidnplayr | 2056 | |
5976 | hidnplayr | 2057 | ;-----------------------------------------------------------------; |
2058 | ; ; |
||
6011 | hidnplayr | 2059 | ; socket_free: Free socket data memory and remove socket from ; |
2060 | ; the list. Caller should lock and unlock socket_mutex. ; |
||
5976 | hidnplayr | 2061 | ; ; |
2062 | ; IN: eax = socket ptr ; |
||
2063 | ; ; |
||
2064 | ; OUT: / ; |
||
2065 | ; ; |
||
2066 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2067 | align 4 |
6011 | hidnplayr | 2068 | socket_free: |
3545 | hidnplayr | 2069 | |
3556 | hidnplayr | 2070 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2071 | |
6011 | hidnplayr | 2072 | call socket_check |
3545 | hidnplayr | 2073 | jz .error |
2074 | |||
2075 | push ebx |
||
2076 | |||
2077 | pusha |
||
2078 | lea ecx, [eax + SOCKET.mutex] |
||
2079 | call mutex_lock |
||
2080 | popa |
||
2081 | |||
5969 | hidnplayr | 2082 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2083 | jne .no_stream |
||
3545 | hidnplayr | 2084 | |
2085 | mov ebx, eax |
||
5969 | hidnplayr | 2086 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2087 | je @f |
||
2088 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
||
2089 | @@: |
||
2090 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
||
2091 | je @f |
||
2092 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2093 | @@: |
||
3545 | hidnplayr | 2094 | mov eax, ebx |
5969 | hidnplayr | 2095 | .no_stream: |
3545 | hidnplayr | 2096 | |
3652 | hidnplayr | 2097 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2098 | push eax ; this will be passed to kernel_free |
2099 | mov ebx, [eax + SOCKET.NextPtr] |
||
2100 | mov eax, [eax + SOCKET.PrevPtr] |
||
2101 | |||
3556 | hidnplayr | 2102 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2103 | |
2104 | test eax, eax |
||
2105 | jz @f |
||
2106 | mov [eax + SOCKET.NextPtr], ebx |
||
2107 | @@: |
||
2108 | |||
2109 | test ebx, ebx |
||
2110 | jz @f |
||
2111 | mov [ebx + SOCKET.PrevPtr], eax |
||
2112 | @@: |
||
2113 | |||
2114 | call kernel_free |
||
2115 | pop ebx |
||
2116 | |||
3652 | hidnplayr | 2117 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2118 | |||
2119 | .error: |
||
3545 | hidnplayr | 2120 | ret |
2121 | |||
5969 | hidnplayr | 2122 | .error1: |
2123 | pop ebx |
||
5976 | hidnplayr | 2124 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_free: error!\n" |
5969 | hidnplayr | 2125 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
2126 | ret |
||
2127 | |||
5976 | hidnplayr | 2128 | ;-----------------------------------------------------------------; |
2129 | ; ; |
||
6011 | hidnplayr | 2130 | ; socket_fork: Create a child socket. ; |
5976 | hidnplayr | 2131 | ; ; |
2132 | ; IN: ebx = socket number ; |
||
2133 | ; ; |
||
2134 | ; OUT: eax = child socket number on success ; |
||
2135 | ; eax = 0 on error ; |
||
2136 | ; ; |
||
2137 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2138 | align 4 |
6011 | hidnplayr | 2139 | socket_fork: |
3545 | hidnplayr | 2140 | |
3556 | hidnplayr | 2141 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2142 | |
2143 | ; Exit if backlog queue is full |
||
2144 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2145 | cmp ax, [ebx + SOCKET.backlog] |
||
2146 | jae .fail |
||
2147 | |||
2148 | ; Allocate new socket |
||
2149 | push ebx |
||
6011 | hidnplayr | 2150 | call socket_alloc |
3545 | hidnplayr | 2151 | pop ebx |
4535 | hidnplayr | 2152 | test eax, eax |
3545 | hidnplayr | 2153 | jz .fail |
2154 | |||
2155 | push eax |
||
2156 | mov esi, esp |
||
2157 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2158 | pop eax |
||
2159 | |||
2160 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2161 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2162 | ; TID will be filled in later |
||
3545 | hidnplayr | 2163 | lea esi, [ebx + SOCKET.PID] |
2164 | lea edi, [eax + SOCKET.PID] |
||
2165 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2166 | rep movsd |
3545 | hidnplayr | 2167 | |
2168 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2169 | |||
3817 | hidnplayr | 2170 | ; Notify owner of parent socket |
2171 | push eax |
||
2172 | mov eax, ebx |
||
6011 | hidnplayr | 2173 | call socket_notify |
3817 | hidnplayr | 2174 | pop eax |
2175 | |||
3545 | hidnplayr | 2176 | ret |
2177 | |||
2178 | .fail2: |
||
2179 | add esp, 4+4+4 |
||
2180 | .fail: |
||
3556 | hidnplayr | 2181 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2182 | xor eax, eax |
2183 | ret |
||
2184 | |||
2185 | |||
5976 | hidnplayr | 2186 | ;-----------------------------------------------------------------; |
2187 | ; ; |
||
6011 | hidnplayr | 2188 | ; socket_num_to_ptr: Get socket structure address by its number. ; |
5976 | hidnplayr | 2189 | ; ; |
2190 | ; IN: ecx = socket number ; |
||
2191 | ; ; |
||
2192 | ; OUT: eax = socket ptr ; |
||
2193 | ; eax = 0 on error ; |
||
2194 | ; ; |
||
2195 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2196 | align 4 |
6011 | hidnplayr | 2197 | socket_num_to_ptr: |
3545 | hidnplayr | 2198 | |
3556 | hidnplayr | 2199 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2200 | |
3647 | hidnplayr | 2201 | pusha |
2202 | mov ecx, socket_mutex |
||
2203 | call mutex_lock |
||
2204 | popa |
||
2205 | |||
3545 | hidnplayr | 2206 | mov eax, net_sockets |
2207 | .next_socket: |
||
2208 | mov eax, [eax + SOCKET.NextPtr] |
||
5969 | hidnplayr | 2209 | test eax, eax |
3545 | hidnplayr | 2210 | jz .error |
2211 | cmp [eax + SOCKET.Number], ecx |
||
2212 | jne .next_socket |
||
2213 | |||
3647 | hidnplayr | 2214 | pusha |
2215 | mov ecx, socket_mutex |
||
2216 | call mutex_unlock |
||
2217 | popa |
||
2218 | |||
3556 | hidnplayr | 2219 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2220 | ret |
2221 | |||
2222 | .error: |
||
3647 | hidnplayr | 2223 | pusha |
2224 | mov ecx, socket_mutex |
||
2225 | call mutex_unlock |
||
2226 | popa |
||
2227 | |||
4574 | hidnplayr | 2228 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2229 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
||
3545 | hidnplayr | 2230 | ret |
2231 | |||
2232 | |||
5976 | hidnplayr | 2233 | ;-----------------------------------------------------------------; |
2234 | ; ; |
||
6011 | hidnplayr | 2235 | ; socket_ptr_to_num: Get socket number by its address. ; |
5976 | hidnplayr | 2236 | ; ; |
2237 | ; IN: eax = socket ptr ; |
||
2238 | ; ; |
||
2239 | ; OUT: eax = socket number ; |
||
2240 | ; eax = 0 on error ; |
||
2241 | ; ZF = set on error ; |
||
2242 | ; ; |
||
2243 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2244 | align 4 |
6011 | hidnplayr | 2245 | socket_ptr_to_num: |
3545 | hidnplayr | 2246 | |
3556 | hidnplayr | 2247 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2248 | |
6011 | hidnplayr | 2249 | call socket_check |
3545 | hidnplayr | 2250 | jz .error |
2251 | |||
2252 | mov eax, [eax + SOCKET.Number] |
||
2253 | |||
3556 | hidnplayr | 2254 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2255 | ret |
2256 | |||
2257 | .error: |
||
3556 | hidnplayr | 2258 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2259 | ret |
2260 | |||
2261 | |||
5976 | hidnplayr | 2262 | ;-----------------------------------------------------------------; |
2263 | ; ; |
||
6011 | hidnplayr | 2264 | ; socket_check: Checks if the given ptr is really a socket ptr. ; |
5976 | hidnplayr | 2265 | ; ; |
2266 | ; IN: eax = socket ptr ; |
||
2267 | ; ; |
||
2268 | ; OUT: eax = 0 on error ; |
||
2269 | ; ZF = set on error ; |
||
2270 | ; ; |
||
2271 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2272 | align 4 |
6011 | hidnplayr | 2273 | socket_check: |
3545 | hidnplayr | 2274 | |
3556 | hidnplayr | 2275 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2276 | |
5969 | hidnplayr | 2277 | test eax, eax |
2278 | jz .error |
||
3545 | hidnplayr | 2279 | push ebx |
2280 | mov ebx, net_sockets |
||
2281 | |||
2282 | .next_socket: |
||
2283 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2284 | or ebx, ebx |
||
2285 | jz .done |
||
2286 | cmp ebx, eax |
||
2287 | jnz .next_socket |
||
2288 | |||
2289 | .done: |
||
2290 | mov eax, ebx |
||
2291 | test eax, eax |
||
2292 | pop ebx |
||
5969 | hidnplayr | 2293 | ret |
3545 | hidnplayr | 2294 | |
5969 | hidnplayr | 2295 | .error: |
5976 | hidnplayr | 2296 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_check: called with argument 0\n" |
5969 | hidnplayr | 2297 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
3545 | hidnplayr | 2298 | ret |
2299 | |||
2300 | |||
2301 | |||
5976 | hidnplayr | 2302 | ;-----------------------------------------------------------------; |
2303 | ; ; |
||
6011 | hidnplayr | 2304 | ; socket_check_owner: Check if the caller app owns the socket. ; |
5976 | hidnplayr | 2305 | ; ; |
2306 | ; IN: eax = socket ptr ; |
||
2307 | ; ; |
||
2308 | ; OUT: ZF = true/false ; |
||
2309 | ; ; |
||
2310 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2311 | align 4 |
6011 | hidnplayr | 2312 | socket_check_owner: |
3545 | hidnplayr | 2313 | |
3556 | hidnplayr | 2314 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2315 | |
2316 | push ebx |
||
2317 | mov ebx, [TASK_BASE] |
||
2318 | mov ebx, [ebx + TASKDATA.pid] |
||
2319 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2320 | pop ebx |
3545 | hidnplayr | 2321 | |
2322 | ret |
||
2323 | |||
2324 | |||
2325 | |||
2326 | |||
5976 | hidnplayr | 2327 | ;-----------------------------------------------------------------; |
2328 | ; ; |
||
6011 | hidnplayr | 2329 | ; socket_process_end: Kernel calls this function when a certain ; |
2330 | ; process ends. This function will check if the process had any ; |
||
2331 | ; open sockets and update them accordingly (clean up). ; |
||
5976 | hidnplayr | 2332 | ; ; |
2333 | ; IN: edx = pid ; |
||
2334 | ; ; |
||
2335 | ; OUT: / ; |
||
2336 | ; ; |
||
2337 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2338 | align 4 |
6011 | hidnplayr | 2339 | socket_process_end: |
3545 | hidnplayr | 2340 | |
4436 | hidnplayr | 2341 | ret ; FIXME |
2342 | |||
4056 | hidnplayr | 2343 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2344 | je .quickret ; nope, exit immediately |
||
2345 | |||
2346 | ; TODO: run the following code in another thread, to avoid deadlock |
||
2347 | |||
3556 | hidnplayr | 2348 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2349 | |
3647 | hidnplayr | 2350 | pusha |
2351 | mov ecx, socket_mutex |
||
2352 | call mutex_lock |
||
2353 | popa |
||
2354 | |||
3545 | hidnplayr | 2355 | push ebx |
2356 | mov ebx, net_sockets |
||
2357 | |||
2358 | .next_socket: |
||
2359 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2360 | .next_socket_test: |
||
2361 | test ebx, ebx |
||
2362 | jz .done |
||
2363 | |||
2364 | cmp [ebx + SOCKET.PID], edx |
||
2365 | jne .next_socket |
||
2366 | |||
3556 | hidnplayr | 2367 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2368 | |
2369 | mov [ebx + SOCKET.PID], 0 |
||
2370 | mov eax, ebx |
||
2371 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2372 | |
3545 | hidnplayr | 2373 | pusha |
3652 | hidnplayr | 2374 | cmp [eax + SOCKET.Domain], AF_INET4 |
2375 | jne .free |
||
2376 | |||
2377 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2378 | jne .free |
||
2379 | |||
6011 | hidnplayr | 2380 | call tcp_disconnect |
3652 | hidnplayr | 2381 | jmp .closed |
2382 | |||
2383 | .free: |
||
6011 | hidnplayr | 2384 | call socket_free |
3652 | hidnplayr | 2385 | |
2386 | .closed: |
||
3545 | hidnplayr | 2387 | popa |
2388 | jmp .next_socket_test |
||
2389 | |||
2390 | .done: |
||
2391 | pop ebx |
||
2392 | |||
3647 | hidnplayr | 2393 | pusha |
2394 | mov ecx, socket_mutex |
||
2395 | call mutex_unlock |
||
2396 | popa |
||
2397 | |||
4056 | hidnplayr | 2398 | .quickret: |
3545 | hidnplayr | 2399 | ret |
2400 | |||
2401 | |||
2402 | |||
2403 | |||
5976 | hidnplayr | 2404 | ;-----------------------------------------------------------------; |
2405 | ; ; |
||
6011 | hidnplayr | 2406 | ; socket_is_connecting: Update socket state. ; |
5976 | hidnplayr | 2407 | ; ; |
2408 | ; IN: eax = socket ptr ; |
||
2409 | ; ; |
||
2410 | ; OUT: / ; |
||
2411 | ; ; |
||
2412 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2413 | align 4 |
6011 | hidnplayr | 2414 | socket_is_connecting: |
3545 | hidnplayr | 2415 | |
3556 | hidnplayr | 2416 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2417 | |
4025 | hidnplayr | 2418 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2419 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
2420 | ret |
||
3545 | hidnplayr | 2421 | |
2422 | |||
2423 | |||
5976 | hidnplayr | 2424 | ;-----------------------------------------------------------------; |
2425 | ; ; |
||
6011 | hidnplayr | 2426 | ; socket_is_connected: Update socket state. ; |
5976 | hidnplayr | 2427 | ; ; |
2428 | ; IN: eax = socket ptr ; |
||
2429 | ; ; |
||
2430 | ; OUT: / ; |
||
2431 | ; ; |
||
2432 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2433 | align 4 |
6011 | hidnplayr | 2434 | socket_is_connected: |
3545 | hidnplayr | 2435 | |
3556 | hidnplayr | 2436 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2437 | |
3674 | hidnplayr | 2438 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2439 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
6011 | hidnplayr | 2440 | jmp socket_notify |
3545 | hidnplayr | 2441 | |
2442 | |||
2443 | |||
2444 | |||
5976 | hidnplayr | 2445 | ;-----------------------------------------------------------------; |
2446 | ; ; |
||
6011 | hidnplayr | 2447 | ; socket_is_disconnecting: Update socket state. ; |
5976 | hidnplayr | 2448 | ; ; |
2449 | ; IN: eax = socket ptr ; |
||
2450 | ; ; |
||
2451 | ; OUT: / ; |
||
2452 | ; ; |
||
2453 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2454 | align 4 |
6011 | hidnplayr | 2455 | socket_is_disconnecting: |
3545 | hidnplayr | 2456 | |
3556 | hidnplayr | 2457 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2458 | |
3674 | hidnplayr | 2459 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2460 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2461 | jmp socket_notify |
3545 | hidnplayr | 2462 | |
2463 | |||
2464 | |||
5976 | hidnplayr | 2465 | ;-----------------------------------------------------------------; |
2466 | ; ; |
||
6011 | hidnplayr | 2467 | ; socket_is_disconnected: Update socket state. ; |
5976 | hidnplayr | 2468 | ; ; |
2469 | ; IN: eax = socket ptr ; |
||
2470 | ; ; |
||
2471 | ; OUT: / ; |
||
2472 | ; ; |
||
2473 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2474 | align 4 |
6011 | hidnplayr | 2475 | socket_is_disconnected: |
3545 | hidnplayr | 2476 | |
8027 | hidnplayr | 2477 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2478 | |
3674 | hidnplayr | 2479 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2480 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
6011 | hidnplayr | 2481 | jmp socket_notify |
3545 | hidnplayr | 2482 | |
2483 | |||
2484 | |||
5976 | hidnplayr | 2485 | ;-----------------------------------------------------------------; |
2486 | ; ; |
||
6011 | hidnplayr | 2487 | ; socket_cant_recv_more: Update socket state. ; |
5976 | hidnplayr | 2488 | ; ; |
2489 | ; IN: eax = socket ptr ; |
||
2490 | ; ; |
||
2491 | ; OUT: / ; |
||
2492 | ; ; |
||
2493 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2494 | align 4 |
6011 | hidnplayr | 2495 | socket_cant_recv_more: |
3545 | hidnplayr | 2496 | |
3556 | hidnplayr | 2497 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2498 | |
3674 | hidnplayr | 2499 | or [eax + SOCKET.state], SS_CANTRCVMORE |
6011 | hidnplayr | 2500 | jmp socket_notify |
3545 | hidnplayr | 2501 | |
3565 | hidnplayr | 2502 | |
3545 | hidnplayr | 2503 | |
5976 | hidnplayr | 2504 | ;-----------------------------------------------------------------; |
2505 | ; ; |
||
6011 | hidnplayr | 2506 | ; socket_cant_send_more: Update socket state. ; |
5976 | hidnplayr | 2507 | ; ; |
2508 | ; IN: eax = socket ptr ; |
||
2509 | ; ; |
||
2510 | ; OUT: / ; |
||
2511 | ; ; |
||
2512 | ;-----------------------------------------------------------------; |
||
3545 | hidnplayr | 2513 | align 4 |
6011 | hidnplayr | 2514 | socket_cant_send_more: |
3545 | hidnplayr | 2515 | |
3556 | hidnplayr | 2516 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2517 | |
3674 | hidnplayr | 2518 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2519 | mov [eax + SOCKET.snd_proc], .notconn |
6011 | hidnplayr | 2520 | jmp socket_notify |
3545 | hidnplayr | 2521 | |
3658 | hidnplayr | 2522 | .notconn: |
3673 | hidnplayr | 2523 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2524 | mov dword[esp+32], -1 |
5356 | serge | 2525 | ret |