Diff: WizFi250/WizFi250_sock.cpp

Revision:

0:f2039204c8f6

Child:

9:12ecb377f63f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WizFi250/WizFi250_sock.cpp	Mon Jun 02 23:34:10 2014 +0000
@@ -0,0 +1,241 @@
+/*
+ /* Copyright (C) 2013 gsfan, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+/* Copyright (C) 2014 Wiznet, MIT License
+ *  port to the Wiznet Module WizFi250
+ */
+
+#include "WizFi250.h"
+
+
+int WizFi250::getHostByName(const char * host, char *ip)
+{
+    int i, flg = 0;
+
+    if(!isAssociated() || _state.status != STAT_READY)  return -1;
+
+    for(i=0; i<strlen(host); i++)
+    {
+        if( (host[i] < '0' || host[i] > '9') && host[i] != '.')
+        {
+            flg = 1;
+            break;
+        }
+    }
+    if (!flg)
+    {
+        strncpy(ip, host, 16);
+        return 0;
+    }
+
+    if ( cmdFDNS(host) )
+    {
+        wait_ms(1000);
+        if( cmdFDNS(host) ) return -1;
+    }
+    strncpy(ip, _state.resolv, 16);
+    return 0;
+}
+
+int WizFi250::open(Protocol proto, const char *ip, int remotePort, int localPort, void(*func)(int))
+{
+    int cid;
+
+    if (!isAssociated() || _state.status != STAT_READY)     return -1;
+
+    _state.cid = -1;
+
+    if (proto == PROTO_TCP)
+    {
+        if( cmdSCON( "O","TCN",ip, remotePort, localPort, "0" ) )   return -1;
+    }
+    else if(proto == PROTO_UDP)
+    {
+        if( cmdSCON( "O","UCN",ip, remotePort, localPort, "0" ) )   return -1;
+    }
+    if(_state.cid < 0) return -1;
+    cid = _state.cid;
+    _con[cid].protocol = proto;
+    _con[cid].type = TYPE_CLIENT;
+    _con[cid].func = func;
+    return cid;
+}
+
+int WizFi250::listen (Protocol proto, int port, void(*func)(int))
+{
+    int cid;
+
+    if(!isAssociated() || _state.status != STAT_READY)  return -1;
+
+    _state.cid = -1;
+
+    if(proto == PROTO_TCP)
+    {
+        if( sendCommand("AT+MEVTMSG=1") )   return -1;
+        if( cmdSCON("O","TSN",port) )       return -1;
+    }
+    else
+    {
+        if( cmdSCON("O","USN",port) )   return -1;
+    }
+
+    if (_state.cid < 0) return -1;
+    cid = _state.cid;
+    _con[cid].protocol = proto;
+    _con[cid].type = TYPE_SERVER;
+    _con[cid].func = func;
+
+    return cid;
+}
+
+int WizFi250::close (int cid)
+{
+    if(!isConnected(cid))   return -1;
+
+    _con[cid].connected = false;
+    return cmdCLOSE(cid);
+}
+
+
+void WizFi250::initCon ( int cid, bool connected )
+{
+    _con[cid].parent = -1;      // It will be delete because It is not need
+    _con[cid].func = NULL;
+    _con[cid].accept = false;
+
+//#ifndef CFG_ENABLE_RTOS
+    if ( _con[cid].buf == NULL )
+    {
+        _con[cid].buf = new CircBuffer<char>(CFG_DATA_SIZE);
+        if ( _con[cid].buf == NULL )    error("Can't allocate memory");
+    }
+//#endif
+    if ( _con[cid].buf != NULL )
+    {
+        _con[cid].buf->flush();
+    }
+    _con[cid].connected = connected;
+}
+
+int WizFi250::send(int cid, const char *buf, int len)
+{
+    if(!isConnected(cid)) return -1;
+
+    if((_con[cid].protocol == PROTO_TCP) ||
+            (_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_CLIENT) )
+    {
+//        if ( len > CFG_DATA_SIZE)   len = CFG_DATA_SIZE;
+        return cmdSSEND(buf,cid,len);
+    }
+    else
+    {
+        return -1;
+    }
+}
+
+int WizFi250::sendto (int cid, const char *buf, int len, const char *ip, int port)
+{
+    if(!isConnected(cid))   return -1;
+
+    if((_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_SERVER))
+    {
+        if ( len > CFG_DATA_SIZE )  len = CFG_DATA_SIZE;
+        return cmdSSEND(buf,cid,len,ip,port);
+    }
+    else
+    {
+        return -1;
+    }
+}
+
+int WizFi250::recv (int cid, char *buf, int len)
+{
+    int i;
+
+    if (!isConnected(cid))  return -1;
+
+    if (_con[cid].buf == NULL ) return 0;
+    while (!_con[cid].received && _state.mode != MODE_COMMAND);
+    _con[cid].received = false;
+    for(i=0; i<len; i++)
+    {
+        if(_con[cid].buf->dequeue(&buf[i]) == false)    break;
+    }
+    setRts(true);       // release
+    return i;
+}
+
+int WizFi250::recvfrom (int cid, char *buf, int len, char *ip, int *port)
+{
+    int i;
+
+    if (!isConnected(cid))  return -1;
+
+    if (_con[cid].buf == NULL)  return 0;
+
+    while (!_con[cid].received && _state.mode != MODE_COMMAND);
+
+    _con[cid].received = false;
+    for(i=0; i<len; i++)
+    {
+        if( _con[cid].buf->dequeue(&buf[i]) == false )  break;
+    }
+    //buf[i] = '\0';
+    strncpy(ip, _con[cid].ip, 16);
+    *port = _con[cid].port;
+    setRts(true);       // release
+
+    return i;
+}
+
+int WizFi250::readable (int cid)
+{
+    if (!isConnected(cid))  return -1;
+
+    if(_con[cid].buf == NULL)   return -1;
+    return _con[cid].buf->available();
+}
+
+bool WizFi250::isConnected (int cid)
+{
+    if ( cid < 0 || cid >=8 ) return false;
+
+    return _con[cid].connected;
+}
+
+int WizFi250::accept (int cid)
+{
+    if(!isConnected(cid))   return -1;
+
+    if(_con[cid].connected && _con[cid].accept)
+    {
+        _con[cid].accept = false;
+        return cid;
+    }
+
+    return -1;
+}
+
+int WizFi250::getRemote(int cid, char **ip, int *port)
+{
+    if (!isConnected(cid))  return -1;
+
+    *ip = _con[cid].ip;
+    *port = _con[cid].port;
+    return 0;
+}