Suga koubou / GSwifiInterface_ap_webcam

private fork

Fork of GSwifiInterface by gs fan

GSwifi/GSwifi_sock.cpp@11:71d67fea5ace, 2013-11-15 (annotated)

Committer:
gsfan
Date:
Fri Nov 15 04:20:14 2013 +0000
Revision:
11:71d67fea5ace
Parent:
8:64184a968e3b
Child:
12:057089026a20
fix api function, miss spell

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gsfan 8:64184a968e3b 1 /* Copyright (C) 2013 gsfan, MIT License
gsfan 8:64184a968e3b 2 *
gsfan 8:64184a968e3b 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
gsfan 8:64184a968e3b 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
gsfan 8:64184a968e3b 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
gsfan 8:64184a968e3b 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
gsfan 8:64184a968e3b 7 * furnished to do so, subject to the following conditions:
gsfan 8:64184a968e3b 8 *
gsfan 8:64184a968e3b 9 * The above copyright notice and this permission notice shall be included in all copies or
gsfan 8:64184a968e3b 10 * substantial portions of the Software.
gsfan 8:64184a968e3b 11 *
gsfan 8:64184a968e3b 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
gsfan 8:64184a968e3b 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
gsfan 8:64184a968e3b 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
gsfan 8:64184a968e3b 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gsfan 8:64184a968e3b 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
gsfan 8:64184a968e3b 17 */
gsfan 8:64184a968e3b 18
gsfan 8:64184a968e3b 19 #include "GSwifi.h"
gsfan 8:64184a968e3b 20
gsfan 8:64184a968e3b 21 int GSwifi::getHostByName(const char * host, char * ip)
gsfan 8:64184a968e3b 22 {
gsfan 8:64184a968e3b 23 int i, flg = 0;
gsfan 8:64184a968e3b 24
gsfan 11:71d67fea5ace 25 if (!isConnected() && _state.status == STAT_READY) return -1;
gsfan 11:71d67fea5ace 26
gsfan 8:64184a968e3b 27 for (i = 0; i < strlen(host); i ++) {
gsfan 8:64184a968e3b 28 if ((host[i] < '0' || host[i] > '9') && host[i] != '.') {
gsfan 8:64184a968e3b 29 flg = 1;
gsfan 8:64184a968e3b 30 break;
gsfan 8:64184a968e3b 31 }
gsfan 8:64184a968e3b 32 }
gsfan 8:64184a968e3b 33 if (!flg) {
gsfan 8:64184a968e3b 34 strncpy(ip, host, 16);
gsfan 8:64184a968e3b 35 return 0;
gsfan 8:64184a968e3b 36 }
gsfan 8:64184a968e3b 37
gsfan 8:64184a968e3b 38 if (cmdDNSLOOKUP(host)) {
gsfan 8:64184a968e3b 39 // retry
gsfan 8:64184a968e3b 40 wait_ms(1000);
gsfan 8:64184a968e3b 41 if (cmdDNSLOOKUP(host)) return -1;
gsfan 8:64184a968e3b 42 }
gsfan 8:64184a968e3b 43 strncpy(ip, _state.resolv, 16);
gsfan 8:64184a968e3b 44 return 0;
gsfan 8:64184a968e3b 45 }
gsfan 8:64184a968e3b 46
gsfan 8:64184a968e3b 47 int GSwifi::open (Protocol proto, const char *ip, int port, int src) {
gsfan 11:71d67fea5ace 48 int cid;
gsfan 11:71d67fea5ace 49
gsfan 11:71d67fea5ace 50 if (!isConnected() && _state.status == STAT_READY) return -1;
gsfan 11:71d67fea5ace 51
gsfan 8:64184a968e3b 52 _state.cid = -1;
gsfan 8:64184a968e3b 53 if (proto == PROTO_TCP) {
gsfan 8:64184a968e3b 54 if (cmdNCTCP(ip, port)) return -1;
gsfan 8:64184a968e3b 55 } else {
gsfan 8:64184a968e3b 56 if (cmdNCUDP(ip, port, src)) return -1;
gsfan 8:64184a968e3b 57 }
gsfan 8:64184a968e3b 58 if (_state.cid < 0) return -1;
gsfan 11:71d67fea5ace 59 cid = _state.cid;
gsfan 11:71d67fea5ace 60 _con[cid].protocol = proto;
gsfan 11:71d67fea5ace 61 _con[cid].type = TYPE_CLIENT;
gsfan 11:71d67fea5ace 62 return cid;
gsfan 8:64184a968e3b 63 }
gsfan 8:64184a968e3b 64
gsfan 8:64184a968e3b 65 int GSwifi::listen (Protocol proto, int port) {
gsfan 11:71d67fea5ace 66 int cid;
gsfan 11:71d67fea5ace 67
gsfan 11:71d67fea5ace 68 if (!isConnected() && _state.status == STAT_READY) return -1;
gsfan 11:71d67fea5ace 69
gsfan 8:64184a968e3b 70 _state.cid = -1;
gsfan 8:64184a968e3b 71 if (proto == PROTO_TCP) {
gsfan 8:64184a968e3b 72 if (cmdNSTCP(port)) return -1;
gsfan 8:64184a968e3b 73 } else {
gsfan 8:64184a968e3b 74 if (cmdNSUDP(port)) return -1;
gsfan 8:64184a968e3b 75 }
gsfan 8:64184a968e3b 76 if (_state.cid < 0) return -1;
gsfan 11:71d67fea5ace 77 cid = _state.cid;
gsfan 11:71d67fea5ace 78 _con[cid].protocol = proto;
gsfan 11:71d67fea5ace 79 _con[cid].type = TYPE_SERVER;
gsfan 11:71d67fea5ace 80 return cid;
gsfan 8:64184a968e3b 81 }
gsfan 8:64184a968e3b 82
gsfan 8:64184a968e3b 83 int GSwifi::close (int cid) {
gsfan 11:71d67fea5ace 84
gsfan 11:71d67fea5ace 85 if (!isConnected(cid)) return -1;
gsfan 11:71d67fea5ace 86
gsfan 8:64184a968e3b 87 _con[cid].connected = false;
gsfan 8:64184a968e3b 88 return cmdNCLOSE(cid);
gsfan 8:64184a968e3b 89 }
gsfan 8:64184a968e3b 90
gsfan 8:64184a968e3b 91 int GSwifi::send (int cid, const char *buf, int len) {
gsfan 8:64184a968e3b 92 char cmd[CFG_CMD_SIZE];
gsfan 8:64184a968e3b 93
gsfan 11:71d67fea5ace 94 if (!isConnected(cid)) return -1;
gsfan 8:64184a968e3b 95
gsfan 8:64184a968e3b 96 if ((_con[cid].protocol == PROTO_TCP) ||
gsfan 8:64184a968e3b 97 (_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_CLIENT) ||
gsfan 8:64184a968e3b 98 (_con[cid].protocol == PROTO_HTTPD)) {
gsfan 8:64184a968e3b 99 if (len > CFG_DATA_SIZE) len = CFG_DATA_SIZE;
gsfan 8:64184a968e3b 100 sprintf(cmd, "\x1bZ%X%04d", cid, len);
gsfan 11:71d67fea5ace 101 return sendData(buf, len, CFG_TIMEOUT, cmd);
gsfan 8:64184a968e3b 102 } else {
gsfan 8:64184a968e3b 103 return -1;
gsfan 8:64184a968e3b 104 }
gsfan 8:64184a968e3b 105 }
gsfan 8:64184a968e3b 106
gsfan 8:64184a968e3b 107 int GSwifi::sendto (int cid, const char *buf, int len, const char *ip, int port) {
gsfan 8:64184a968e3b 108 char cmd[CFG_CMD_SIZE];
gsfan 8:64184a968e3b 109
gsfan 11:71d67fea5ace 110 if (!isConnected(cid)) return -1;
gsfan 8:64184a968e3b 111
gsfan 8:64184a968e3b 112 if ((_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_SERVER)) {
gsfan 8:64184a968e3b 113 if (len > CFG_DATA_SIZE) len = CFG_DATA_SIZE;
gsfan 8:64184a968e3b 114 sprintf(cmd, "\x1bY%X%s:%d:%04d", cid, ip, port, len);
gsfan 11:71d67fea5ace 115 return sendData(buf, len, CFG_TIMEOUT, cmd);
gsfan 8:64184a968e3b 116 } else {
gsfan 8:64184a968e3b 117 return -1;
gsfan 8:64184a968e3b 118 }
gsfan 8:64184a968e3b 119 }
gsfan 8:64184a968e3b 120
gsfan 8:64184a968e3b 121 int GSwifi::recv (int cid, char *buf, int len) {
gsfan 8:64184a968e3b 122 int i;
gsfan 8:64184a968e3b 123
gsfan 11:71d67fea5ace 124 if (!isConnected(cid)) return -1;
gsfan 8:64184a968e3b 125
gsfan 8:64184a968e3b 126 if (_con[cid].buf == NULL) return 0;
gsfan 8:64184a968e3b 127 while (!_con[cid].received && _state.mode != MODE_COMMAND);
gsfan 8:64184a968e3b 128 _con[cid].received = false;
gsfan 8:64184a968e3b 129 for (i = 0; i < len; i ++) {
gsfan 8:64184a968e3b 130 if (_con[cid].buf->dequeue(&buf[i]) == false) break;
gsfan 8:64184a968e3b 131 }
gsfan 8:64184a968e3b 132 setRts(true);
gsfan 8:64184a968e3b 133 return i;
gsfan 8:64184a968e3b 134 }
gsfan 8:64184a968e3b 135
gsfan 8:64184a968e3b 136 int GSwifi::recvfrom (int cid, char *buf, int len, char *ip, int *port) {
gsfan 8:64184a968e3b 137 int i;
gsfan 8:64184a968e3b 138
gsfan 11:71d67fea5ace 139 if (!isConnected(cid)) return -1;
gsfan 8:64184a968e3b 140
gsfan 8:64184a968e3b 141 if (_con[cid].buf == NULL) return 0;
gsfan 8:64184a968e3b 142 while (!_con[cid].received && _state.mode != MODE_COMMAND);
gsfan 8:64184a968e3b 143 _con[cid].received = false;
gsfan 8:64184a968e3b 144 for (i = 0; i < len; i ++) {
gsfan 8:64184a968e3b 145 if (_con[cid].buf->dequeue(&buf[i]) == false) break;
gsfan 8:64184a968e3b 146 }
gsfan 8:64184a968e3b 147 strncpy(ip, _con[cid].ip, 16);
gsfan 8:64184a968e3b 148 *port = _con[cid].port;
gsfan 8:64184a968e3b 149 setRts(true);
gsfan 8:64184a968e3b 150 return i;
gsfan 8:64184a968e3b 151 }
gsfan 8:64184a968e3b 152
gsfan 8:64184a968e3b 153 int GSwifi::readable (int cid) {
gsfan 11:71d67fea5ace 154 if (!isConnected(cid)) return -1;
gsfan 11:71d67fea5ace 155
gsfan 8:64184a968e3b 156 if (_con[cid].buf == NULL) return -1;
gsfan 8:64184a968e3b 157 return _con[cid].buf->available();
gsfan 8:64184a968e3b 158 }
gsfan 8:64184a968e3b 159
gsfan 8:64184a968e3b 160 bool GSwifi::isConnected (int cid) {
gsfan 8:64184a968e3b 161 if (cid < 0 || cid >= 16) return false;
gsfan 11:71d67fea5ace 162
gsfan 8:64184a968e3b 163 return _con[cid].connected;
gsfan 8:64184a968e3b 164 }
gsfan 8:64184a968e3b 165
gsfan 8:64184a968e3b 166 int GSwifi::accept (int cid) {
gsfan 8:64184a968e3b 167 int i;
gsfan 11:71d67fea5ace 168
gsfan 11:71d67fea5ace 169 if (!isConnected(cid)) return -1;
gsfan 11:71d67fea5ace 170
gsfan 8:64184a968e3b 171 for (i = 0; i < 16; i ++) {
gsfan 8:64184a968e3b 172 if (_con[i].connected && _con[i].accept && _con[i].parent == cid) {
gsfan 8:64184a968e3b 173 _con[i].accept = false;
gsfan 8:64184a968e3b 174 return i;
gsfan 8:64184a968e3b 175 }
gsfan 8:64184a968e3b 176 }
gsfan 8:64184a968e3b 177 return -1;
gsfan 8:64184a968e3b 178 }
gsfan 8:64184a968e3b 179
gsfan 8:64184a968e3b 180 int GSwifi::getRemote(int cid, char **ip, int *port) {
gsfan 11:71d67fea5ace 181
gsfan 11:71d67fea5ace 182 if (!isConnected(cid)) return -1;
gsfan 11:71d67fea5ace 183
gsfan 8:64184a968e3b 184 *ip = _con[cid].ip;
gsfan 8:64184a968e3b 185 *port = _con[cid].port;
gsfan 8:64184a968e3b 186 return 0;
gsfan 8:64184a968e3b 187 }