SNICInterface for ThingPlug Example

Dependents:   ThingPlug_WiFi_Example ThingPlug_WiFi_Example_2

Fork of SNICInterface by muRata

Revision:
20:dd736d328de6
Child:
22:a9ec0cad4f84
diff -r f219d1fb6171 -r dd736d328de6 Socket/TCPSocketConnection.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketConnection.cpp	Thu Mar 27 06:52:04 2014 +0000
@@ -0,0 +1,228 @@
+/* Copyright (C) 2012 mbed.org, 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.
+ */
+/******************* Murata Manufacturing Co.,Ltd. 2014 *****************
+ *
+ * Filename:   TCPSocketConnection.cpp
+ *
+ * Purpose:    This module has implementation of TCP connection.
+ *              
+ * $Author: kishino $
+ *
+ * $Date: 2014/03/26 $
+ *
+ * $Revision: 0.0.0.1 $
+ * ***********************************************************************/
+#include "TCPSocketConnection.h"
+#include <cstring>
+
+using namespace murata_wifi;
+
+TCPSocketConnection::TCPSocketConnection()
+{
+}
+
+int TCPSocketConnection::connect( unsigned int ip_addr, unsigned short port)
+{
+    int ret;
+    C_SNIC_UartCommandManager *uartCmdMgr_p = mSnicWifi_p->getUartCommand();
+    
+    // Socket create
+    ret = createSocket();
+    if( ret != 0 )
+    {
+        printf("createSocket error : %d\r\n", ret);
+        return -1;
+    }
+
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSnicWifi_p->allocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("connect payload_buf NULL\r\n");
+        return -1;
+    }
+
+    tagSNIC_TCP_CONNECT_TO_SERVER_REQ_T req;
+    // Make request
+    req.cmd_sid      = UART_CMD_SID_SNIC_TCP_CONNECT_TO_SERVER_REQ;
+    req.seq          = mUartRequestSeq++;
+    req.socket_id    = mSocketID;
+    
+    // set ip addr ( byte order )
+    req.remote_addr[0] = ( (ip_addr & 0xFF000000) >> 24 );
+    req.remote_addr[1] = ( (ip_addr & 0xFF0000) >> 16 );
+    req.remote_addr[2] = ( (ip_addr & 0xFF00) >> 8 );
+    req.remote_addr[3] = (ip_addr & 0xFF);
+    req.remote_port[0] = ( (port & 0xFF00) >> 8 );
+    req.remote_port[1] = (port & 0xFF);
+    req.recv_bufsize[0] = ( (SNIC_UART_RECVBUF_SIZE & 0xFF00) >> 8 );
+    req.recv_bufsize[1] = (SNIC_UART_RECVBUF_SIZE & 0xFF);
+    req.timeout         = 60;
+
+    unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = mSnicWifi_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)&req
+                            , sizeof(tagSNIC_TCP_CONNECT_TO_SERVER_REQ_T), payload_buf->buf, command_array );
+
+    // Send uart command request
+    mSnicWifi_p->sendUart( command_len, command_array );
+
+    uartCmdMgr_p->setCommandSID( UART_CMD_SID_SNIC_TCP_CONNECTION_STATUS_IND );
+
+    // Wait UART response
+    ret = uartCmdMgr_p->wait();
+    if( ret != 0 )
+    {
+        printf( "connect failed\r\n" );
+        mSnicWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_CONNECTION_UP )
+    {
+        printf("connect status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
+        mSnicWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    mSnicWifi_p->freeCmdBuf( payload_buf );
+
+    // Initialize connection information
+    tagCONNECT_INFO_T *con_info_p = mSnicWifi_p->getConnectInfo( mSocketID );
+    if( con_info_p->recvbuf_p == NULL )
+    {
+        printf( "create recv buffer[socket:%d]\r\n", mSocketID);
+        con_info_p->recvbuf_p = new CircBuffer<unsigned char>(SNIC_UART_RECVBUF_SIZE);
+    }
+    con_info_p->is_connected = true;
+    con_info_p->is_received  = false;
+    
+    return 0;
+}
+
+bool TCPSocketConnection::is_connected(void)
+{
+    tagCONNECT_INFO_T *con_info_p = mSnicWifi_p->getConnectInfo( mSocketID );
+    return con_info_p->is_connected;
+}
+
+unsigned char gTCP_SEND_BUF[2048];
+int TCPSocketConnection::send(unsigned char* data_p, int length)
+{
+    C_SNIC_UartCommandManager *uartCmdMgr_p = mSnicWifi_p->getUartCommand();
+
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSnicWifi_p->allocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("connect payload_buf NULL\r\n");
+        return -1;
+    }
+
+    tagSNIC_TCP_SEND_FROM_SOCKET_REQ_T req;
+    // Make request
+    req.cmd_sid       = UART_CMD_SID_SNIC_SEND_FROM_SOCKET_REQ;
+    req.seq           = mUartRequestSeq++;
+    req.socket_id     = mSocketID;
+    req.option        = 0;
+    req.payload_len[0]= ( (length & 0xFF00) >> 8 );
+    req.payload_len[1]= (length & 0xFF);
+    
+    int req_size = sizeof(tagSNIC_TCP_SEND_FROM_SOCKET_REQ_T);
+    memcpy( gTCP_SEND_BUF, &req, req_size );
+    memcpy( &gTCP_SEND_BUF[req_size], data_p, length );
+    
+    unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = mSnicWifi_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, gTCP_SEND_BUF
+                            , req_size + length, payload_buf->buf, command_array );
+
+    // Send uart command request
+    mSnicWifi_p->sendUart( command_len, command_array );
+
+//    mSnicWifi_p->mUartCommand.setCommandSID( req.cmd_sid );
+
+    // Wait UART response
+    int ret = uartCmdMgr_p->wait();
+    if( ret != 0 )
+    {
+        printf( "send failed\r\n" );
+        mSnicWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_SUCCESS )
+    {
+        printf("send status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
+        mSnicWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    mSnicWifi_p->freeCmdBuf( payload_buf );
+
+    // SNIC_SEND_FROM_SOCKET_REQ
+    return 0;
+}
+
+int TCPSocketConnection::receive(unsigned char* data_p, int length)
+{
+    int i = 0;
+    
+    if( (data_p == NULL) || (length < 1) )
+    {
+        printf("TCPSocketConnection::receive parameter error\r\n");
+        return -1;
+    }
+    
+    // Initialize connection information
+    tagCONNECT_INFO_T *con_info_p = mSnicWifi_p->getConnectInfo( mSocketID );
+    if( con_info_p->recvbuf_p == NULL )
+    {
+        printf("TCPSocketConnection::receive Conncection info error\r\n");
+        return -1;
+    }
+
+    // Check connection
+    if( con_info_p->is_connected == false )
+    {
+        printf(" Socket id \"%d\" is not connected\r\n", mSocketID);
+        return -1;
+    }
+    
+    if( con_info_p->is_received == false )
+    {
+//        printf(" Socket id \"%d\" is not received\r\n", mSocketID);
+        return 0;
+    }
+    
+    // Get packet data from buffer for receive.
+    for (i = 0; i < length; i ++) 
+    {
+        if (con_info_p->recvbuf_p->dequeue(&data_p[i]) == false)
+        {
+            break;
+        }
+    }
+
+    if( con_info_p->recvbuf_p->isEmpty() )
+    {
+        con_info_p->is_received = false;
+    }
+
+    return i;
+}