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WizFi310_sock.cpp
00001 /* 00002 * Copyright (C) 2013 gsfan, MIT License 00003 * 00004 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 00005 * and associated documentation files (the "Software"), to deal in the Software without restriction, 00006 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 00007 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 00008 * furnished to do so, subject to the following conditions: 00009 * 00010 * The above copyright notice and this permission notice shall be included in all copies or 00011 * substantial portions of the Software. 00012 * 00013 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 00014 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00015 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 00016 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00017 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00018 */ 00019 /* Copyright (C) 2014 Wiznet, MIT License 00020 * port to the Wiznet Module WizFi250 00021 */ 00022 /* Copyright (C) 2017 Wiznet, MIT License 00023 * port to the Wiznet Module WizFi310 00024 */ 00025 00026 #include "WizFi310.h" 00027 00028 int WizFi310::getHostByName(const char * host, char *ip) 00029 { 00030 int i, flg = 0; 00031 00032 if(!isAssociated() || _state.status != STAT_READY) return -1; 00033 00034 for(i=0; i<strlen(host); i++) 00035 { 00036 if( (host[i] < '0' || host[i] > '9') && host[i] != '.') 00037 { 00038 flg = 1; 00039 break; 00040 } 00041 } 00042 if (!flg) 00043 { 00044 strncpy(ip, host, 16); 00045 return 0; 00046 } 00047 00048 if ( cmdFDNS(host) ) 00049 { 00050 wait_ms(1000); 00051 if( cmdFDNS(host) ) return -1; 00052 } 00053 strncpy(ip, _state.resolv, 16); 00054 return 0; 00055 } 00056 00057 int WizFi310::open(Protocol proto, const char *ip, int remotePort, int localPort, void(*func)(int)) 00058 { 00059 int cid; 00060 00061 if (!isAssociated() || _state.status != STAT_READY) return -1; 00062 00063 _state.cid = -1; 00064 00065 if (proto == PROTO_TCP) 00066 { 00067 if( cmdSCON( "O","TCN",ip, remotePort, localPort, "0" ) ) return -1; 00068 } 00069 else if(proto == PROTO_UDP) 00070 { 00071 if( cmdSCON( "O","UCN",ip, remotePort, localPort, "0" ) ) return -1; 00072 } 00073 if(_state.cid < 0) return -1; 00074 00075 initCon(_state.cid, true); 00076 cid = _state.cid; 00077 _con[cid].protocol = proto; 00078 _con[cid].type = TYPE_CLIENT; 00079 _con[cid].func = func; 00080 printf("TYPE : %d\n",_con[cid].type); 00081 00082 return cid; 00083 } 00084 00085 int WizFi310::listen (Protocol proto, int port, void(*func)(int)) 00086 { 00087 int cid; 00088 00089 if(!isAssociated() || _state.status != STAT_READY) return -1; 00090 00091 _state.cid = -1; 00092 00093 if(proto == PROTO_TCP) 00094 { 00095 if( sendCommand("AT+MEVTMSG=1") ) return -1; 00096 if( cmdSCON("O","TSN",port) ) return -1; 00097 } 00098 else 00099 { 00100 if( cmdSCON("O","USN",port) ) return -1; 00101 } 00102 00103 if (_state.cid < 0) return -1; 00104 cid = _state.cid; 00105 _con[cid].protocol = proto; 00106 _con[cid].type = TYPE_SERVER; 00107 _con[cid].func = func; 00108 00109 return cid; 00110 } 00111 00112 int WizFi310::close (int cid) 00113 { 00114 // if(!isConnected(cid)) return -1; 00115 00116 _con[cid].connected = false; 00117 return cmdCLOSE(cid); 00118 } 00119 00120 00121 void WizFi310::initCon ( int cid, bool connected ) 00122 { 00123 _con[cid].parent = -1; // It will be delete because It is not need 00124 _con[cid].func = NULL; 00125 _con[cid].accept = false; 00126 00127 //#ifndef CFG_ENABLE_RTOS 00128 if ( _con[cid].buf == NULL ) 00129 { 00130 _con[cid].buf = new CircBuffer<char>(CFG_DATA_SIZE); 00131 if ( _con[cid].buf == NULL ) error("Can't allocate memory"); 00132 } 00133 //#endif 00134 if ( _con[cid].buf != NULL ) 00135 { 00136 _con[cid].buf->flush(); 00137 } 00138 _con[cid].connected = connected; 00139 } 00140 00141 int WizFi310::send(int cid, const char *buf, int len) 00142 { 00143 if(!isConnected(cid)) return -1; 00144 00145 if((_con[cid].protocol == PROTO_TCP) || 00146 (_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_CLIENT) ) 00147 { 00148 // if ( len > CFG_DATA_SIZE) len = CFG_DATA_SIZE; 00149 return cmdSSEND(buf,cid,len); 00150 } 00151 else 00152 { 00153 return -1; 00154 } 00155 } 00156 00157 int WizFi310::sendto (int cid, const char *buf, int len, const char *ip, int port) 00158 { 00159 if(!isConnected(cid)) return -1; 00160 00161 if((_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_SERVER)) 00162 { 00163 if ( len > CFG_DATA_SIZE ) len = CFG_DATA_SIZE; 00164 return cmdSSEND(buf,cid,len,ip,port); 00165 } 00166 else 00167 { 00168 return -1; 00169 } 00170 } 00171 00172 int WizFi310::recv (int cid, char *buf, int len) 00173 { 00174 int i; 00175 00176 if (!isConnected(cid)) return -1; 00177 00178 if (_con[cid].buf == NULL ) return 0; 00179 00180 while (!_con[cid].received && _state.mode != MODE_COMMAND); 00181 _con[cid].received = false; 00182 00183 for(i=0; i<len; i++) 00184 { 00185 if(_con[cid].buf->dequeue(&buf[i]) == false) break; 00186 } 00187 00188 setRts(true); // release 00189 return i; 00190 } 00191 00192 int WizFi310::recvfrom (int cid, char *buf, int len, char *ip, int *port) 00193 { 00194 int i; 00195 00196 if (!isConnected(cid)) return -1; 00197 00198 if (_con[cid].buf == NULL) return 0; 00199 00200 while (!_con[cid].received && _state.mode != MODE_COMMAND); 00201 00202 _con[cid].received = false; 00203 for(i=0; i<len; i++) 00204 { 00205 if( _con[cid].buf->dequeue(&buf[i]) == false ) break; 00206 } 00207 //buf[i] = '\0'; 00208 strncpy(ip, _con[cid].ip, 16); 00209 *port = _con[cid].port; 00210 setRts(true); // release 00211 00212 return i; 00213 } 00214 00215 int WizFi310::readable (int cid) 00216 { 00217 if (!isConnected(cid)) return -1; 00218 00219 if(_con[cid].buf == NULL) return -1; 00220 return _con[cid].buf->available(); 00221 } 00222 00223 bool WizFi310::isConnected (int cid) 00224 { 00225 if ( cid < 0 || cid >=8 ) return false; 00226 //printf("%d %d\r\n", cid, _con[cid].connected); 00227 return _con[cid].connected; 00228 } 00229 00230 int WizFi310::accept (int cid) 00231 { 00232 if(!isConnected(cid)) return -1; 00233 00234 if(_con[cid].connected && _con[cid].accept) 00235 { 00236 _con[cid].accept = false; 00237 return cid; 00238 } 00239 00240 return -1; 00241 } 00242 00243 int WizFi310::getRemote(int cid, char **ip, int *port) 00244 { 00245 if (!isConnected(cid)) return -1; 00246 00247 *ip = _con[cid].ip; 00248 *port = _con[cid].port; 00249 return 0; 00250 }
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