SNIC UART Interface library for Murata Type-YD module
Dependents: WebSocketServerTest
Fork of SNICInterface_mod by
Diff: Socket/TCPSocketConnection.cpp
- Revision:
- 12:0254eaccfda2
- Parent:
- 4:99cc93fe7d88
- Child:
- 13:53e6471d5753
diff -r c49007d49e52 -r 0254eaccfda2 Socket/TCPSocketConnection.cpp --- a/Socket/TCPSocketConnection.cpp Wed Mar 19 01:48:37 2014 +0000 +++ b/Socket/TCPSocketConnection.cpp Tue Mar 25 01:42:25 2014 +0000 @@ -20,29 +20,143 @@ using namespace murata_wifi; -TCPSocketConnection::TCPSocketConnection() : - _is_connected(false) { +TCPSocketConnection::TCPSocketConnection() +{ } -int TCPSocketConnection::connect(const char* host, const int port) +int TCPSocketConnection::connect( unsigned int ip_addr, unsigned short port) { - _is_connected = true; + int ret; + + // 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->getAlocCmdBuf(); + 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 ); + + mSnicWifi_p->mUartCommand.setCommandSID( UART_CMD_SID_SNIC_TCP_CONNECTION_STATUS_IND ); + + // Wait UART response + ret = mSnicWifi_p->mUartCommand.wait(); + if( ret != 0 ) + { + printf( "connect failed\r\n" ); + mSnicWifi_p->freeCmdBuf( payload_buf ); + return -1; + } + + if( mSnicWifi_p->mUartCommand.getCommandStatus() != UART_CMD_RES_SNIC_CONNECTION_UP ) + { + printf("connect status:%02x\r\n", mSnicWifi_p->mUartCommand.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) { - return _is_connected; + tagCONNECT_INFO_T *con_info_p = mSnicWifi_p->getConnectInfo( mSocketID ); + return con_info_p->is_connected; } -int TCPSocketConnection::send(char* data, int length) +int TCPSocketConnection::send(unsigned char* data_p, int length) { return 0; } -int TCPSocketConnection::receive(char* data, int length) +int TCPSocketConnection::receive(unsigned char* data_p, int length) { - return 0; + 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; } -