SKTelecom_ThingPlug / SNICInterface

SNICInterface for ThingPlug Example

Dependents:   ThingPlug_WiFi_Example ThingPlug_WiFi_Example_2

Fork of SNICInterface by muRata

Socket/TCPSocketConnection.cpp@22:a9ec0cad4f84, 2014-03-27 (annotated)

Committer:
kishino
Date:
Thu Mar 27 07:37:55 2014 +0000
Revision:
22:a9ec0cad4f84
Parent:
20:dd736d328de6
Child:
24:987e412ae879
Refactoring

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kishino 20:dd736d328de6 1 /* Copyright (C) 2012 mbed.org, MIT License
kishino 20:dd736d328de6 2 *
kishino 20:dd736d328de6 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
kishino 20:dd736d328de6 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
kishino 20:dd736d328de6 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
kishino 20:dd736d328de6 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
kishino 20:dd736d328de6 7 * furnished to do so, subject to the following conditions:
kishino 20:dd736d328de6 8 *
kishino 20:dd736d328de6 9 * The above copyright notice and this permission notice shall be included in all copies or
kishino 20:dd736d328de6 10 * substantial portions of the Software.
kishino 20:dd736d328de6 11 *
kishino 20:dd736d328de6 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
kishino 20:dd736d328de6 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
kishino 20:dd736d328de6 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
kishino 20:dd736d328de6 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kishino 20:dd736d328de6 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
kishino 20:dd736d328de6 17 */
kishino 20:dd736d328de6 18 /******************* Murata Manufacturing Co.,Ltd. 2014 *****************
kishino 20:dd736d328de6 19 *
kishino 20:dd736d328de6 20 * Filename: TCPSocketConnection.cpp
kishino 20:dd736d328de6 21 *
kishino 20:dd736d328de6 22 * Purpose: This module has implementation of TCP connection.
kishino 20:dd736d328de6 23 *
kishino 20:dd736d328de6 24 * $Author: kishino $
kishino 20:dd736d328de6 25 *
kishino 20:dd736d328de6 26 * $Date: 2014/03/26 $
kishino 20:dd736d328de6 27 *
kishino 20:dd736d328de6 28 * $Revision: 0.0.0.1 $
kishino 20:dd736d328de6 29 * ***********************************************************************/
kishino 20:dd736d328de6 30 #include "TCPSocketConnection.h"
kishino 20:dd736d328de6 31 #include <cstring>
kishino 20:dd736d328de6 32
kishino 20:dd736d328de6 33 using namespace murata_wifi;
kishino 20:dd736d328de6 34
kishino 20:dd736d328de6 35 TCPSocketConnection::TCPSocketConnection()
kishino 20:dd736d328de6 36 {
kishino 20:dd736d328de6 37 }
kishino 20:dd736d328de6 38
kishino 20:dd736d328de6 39 int TCPSocketConnection::connect( unsigned int ip_addr, unsigned short port)
kishino 20:dd736d328de6 40 {
kishino 20:dd736d328de6 41 int ret;
kishino 20:dd736d328de6 42 C_SNIC_UartCommandManager *uartCmdMgr_p = mSnicWifi_p->getUartCommand();
kishino 20:dd736d328de6 43
kishino 20:dd736d328de6 44 // Socket create
kishino 20:dd736d328de6 45 ret = createSocket();
kishino 20:dd736d328de6 46 if( ret != 0 )
kishino 20:dd736d328de6 47 {
kishino 20:dd736d328de6 48 printf("createSocket error : %d\r\n", ret);
kishino 20:dd736d328de6 49 return -1;
kishino 20:dd736d328de6 50 }
kishino 20:dd736d328de6 51
kishino 20:dd736d328de6 52 // Get buffer for response payload from MemoryPool
kishino 22:a9ec0cad4f84 53 C_SNIC_Core::tagMEMPOOL_BLOCK_T *payload_buf = mSnicWifi_p->allocCmdBuf();
kishino 20:dd736d328de6 54 if( payload_buf == NULL )
kishino 20:dd736d328de6 55 {
kishino 20:dd736d328de6 56 printf("connect payload_buf NULL\r\n");
kishino 20:dd736d328de6 57 return -1;
kishino 20:dd736d328de6 58 }
kishino 20:dd736d328de6 59
kishino 22:a9ec0cad4f84 60 C_SNIC_Core::tagSNIC_TCP_CONNECT_TO_SERVER_REQ_T req;
kishino 20:dd736d328de6 61 // Make request
kishino 20:dd736d328de6 62 req.cmd_sid = UART_CMD_SID_SNIC_TCP_CONNECT_TO_SERVER_REQ;
kishino 20:dd736d328de6 63 req.seq = mUartRequestSeq++;
kishino 20:dd736d328de6 64 req.socket_id = mSocketID;
kishino 20:dd736d328de6 65
kishino 20:dd736d328de6 66 // set ip addr ( byte order )
kishino 20:dd736d328de6 67 req.remote_addr[0] = ( (ip_addr & 0xFF000000) >> 24 );
kishino 20:dd736d328de6 68 req.remote_addr[1] = ( (ip_addr & 0xFF0000) >> 16 );
kishino 20:dd736d328de6 69 req.remote_addr[2] = ( (ip_addr & 0xFF00) >> 8 );
kishino 20:dd736d328de6 70 req.remote_addr[3] = (ip_addr & 0xFF);
kishino 20:dd736d328de6 71 req.remote_port[0] = ( (port & 0xFF00) >> 8 );
kishino 20:dd736d328de6 72 req.remote_port[1] = (port & 0xFF);
kishino 20:dd736d328de6 73 req.recv_bufsize[0] = ( (SNIC_UART_RECVBUF_SIZE & 0xFF00) >> 8 );
kishino 20:dd736d328de6 74 req.recv_bufsize[1] = (SNIC_UART_RECVBUF_SIZE & 0xFF);
kishino 20:dd736d328de6 75 req.timeout = 60;
kishino 20:dd736d328de6 76
kishino 20:dd736d328de6 77 unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
kishino 20:dd736d328de6 78 unsigned int command_len;
kishino 20:dd736d328de6 79 // Preparation of command
kishino 20:dd736d328de6 80 command_len = mSnicWifi_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)&req
kishino 22:a9ec0cad4f84 81 , sizeof(C_SNIC_Core::tagSNIC_TCP_CONNECT_TO_SERVER_REQ_T), payload_buf->buf, command_array );
kishino 20:dd736d328de6 82
kishino 20:dd736d328de6 83 // Send uart command request
kishino 20:dd736d328de6 84 mSnicWifi_p->sendUart( command_len, command_array );
kishino 20:dd736d328de6 85
kishino 20:dd736d328de6 86 uartCmdMgr_p->setCommandSID( UART_CMD_SID_SNIC_TCP_CONNECTION_STATUS_IND );
kishino 20:dd736d328de6 87
kishino 20:dd736d328de6 88 // Wait UART response
kishino 20:dd736d328de6 89 ret = uartCmdMgr_p->wait();
kishino 20:dd736d328de6 90 if( ret != 0 )
kishino 20:dd736d328de6 91 {
kishino 20:dd736d328de6 92 printf( "connect failed\r\n" );
kishino 20:dd736d328de6 93 mSnicWifi_p->freeCmdBuf( payload_buf );
kishino 20:dd736d328de6 94 return -1;
kishino 20:dd736d328de6 95 }
kishino 20:dd736d328de6 96
kishino 20:dd736d328de6 97 if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_CONNECTION_UP )
kishino 20:dd736d328de6 98 {
kishino 20:dd736d328de6 99 printf("connect status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
kishino 20:dd736d328de6 100 mSnicWifi_p->freeCmdBuf( payload_buf );
kishino 20:dd736d328de6 101 return -1;
kishino 20:dd736d328de6 102 }
kishino 20:dd736d328de6 103 mSnicWifi_p->freeCmdBuf( payload_buf );
kishino 20:dd736d328de6 104
kishino 20:dd736d328de6 105 // Initialize connection information
kishino 22:a9ec0cad4f84 106 C_SNIC_Core::tagCONNECT_INFO_T *con_info_p = mSnicWifi_p->getConnectInfo( mSocketID );
kishino 20:dd736d328de6 107 if( con_info_p->recvbuf_p == NULL )
kishino 20:dd736d328de6 108 {
kishino 20:dd736d328de6 109 printf( "create recv buffer[socket:%d]\r\n", mSocketID);
kishino 20:dd736d328de6 110 con_info_p->recvbuf_p = new CircBuffer<unsigned char>(SNIC_UART_RECVBUF_SIZE);
kishino 20:dd736d328de6 111 }
kishino 20:dd736d328de6 112 con_info_p->is_connected = true;
kishino 20:dd736d328de6 113 con_info_p->is_received = false;
kishino 20:dd736d328de6 114
kishino 20:dd736d328de6 115 return 0;
kishino 20:dd736d328de6 116 }
kishino 20:dd736d328de6 117
kishino 20:dd736d328de6 118 bool TCPSocketConnection::is_connected(void)
kishino 20:dd736d328de6 119 {
kishino 22:a9ec0cad4f84 120 C_SNIC_Core::tagCONNECT_INFO_T *con_info_p = mSnicWifi_p->getConnectInfo( mSocketID );
kishino 20:dd736d328de6 121 return con_info_p->is_connected;
kishino 20:dd736d328de6 122 }
kishino 20:dd736d328de6 123
kishino 20:dd736d328de6 124 unsigned char gTCP_SEND_BUF[2048];
kishino 20:dd736d328de6 125 int TCPSocketConnection::send(unsigned char* data_p, int length)
kishino 20:dd736d328de6 126 {
kishino 20:dd736d328de6 127 C_SNIC_UartCommandManager *uartCmdMgr_p = mSnicWifi_p->getUartCommand();
kishino 20:dd736d328de6 128
kishino 20:dd736d328de6 129 // Get buffer for response payload from MemoryPool
kishino 22:a9ec0cad4f84 130 C_SNIC_Core::tagMEMPOOL_BLOCK_T *payload_buf = mSnicWifi_p->allocCmdBuf();
kishino 20:dd736d328de6 131 if( payload_buf == NULL )
kishino 20:dd736d328de6 132 {
kishino 20:dd736d328de6 133 printf("connect payload_buf NULL\r\n");
kishino 20:dd736d328de6 134 return -1;
kishino 20:dd736d328de6 135 }
kishino 20:dd736d328de6 136
kishino 22:a9ec0cad4f84 137 C_SNIC_Core::tagSNIC_TCP_SEND_FROM_SOCKET_REQ_T req;
kishino 20:dd736d328de6 138 // Make request
kishino 20:dd736d328de6 139 req.cmd_sid = UART_CMD_SID_SNIC_SEND_FROM_SOCKET_REQ;
kishino 20:dd736d328de6 140 req.seq = mUartRequestSeq++;
kishino 20:dd736d328de6 141 req.socket_id = mSocketID;
kishino 20:dd736d328de6 142 req.option = 0;
kishino 20:dd736d328de6 143 req.payload_len[0]= ( (length & 0xFF00) >> 8 );
kishino 20:dd736d328de6 144 req.payload_len[1]= (length & 0xFF);
kishino 20:dd736d328de6 145
kishino 22:a9ec0cad4f84 146 int req_size = sizeof(C_SNIC_Core::tagSNIC_TCP_SEND_FROM_SOCKET_REQ_T);
kishino 20:dd736d328de6 147 memcpy( gTCP_SEND_BUF, &req, req_size );
kishino 20:dd736d328de6 148 memcpy( &gTCP_SEND_BUF[req_size], data_p, length );
kishino 20:dd736d328de6 149
kishino 20:dd736d328de6 150 unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
kishino 20:dd736d328de6 151 unsigned int command_len;
kishino 20:dd736d328de6 152 // Preparation of command
kishino 20:dd736d328de6 153 command_len = mSnicWifi_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, gTCP_SEND_BUF
kishino 20:dd736d328de6 154 , req_size + length, payload_buf->buf, command_array );
kishino 20:dd736d328de6 155
kishino 20:dd736d328de6 156 // Send uart command request
kishino 20:dd736d328de6 157 mSnicWifi_p->sendUart( command_len, command_array );
kishino 20:dd736d328de6 158
kishino 20:dd736d328de6 159 // Wait UART response
kishino 20:dd736d328de6 160 int ret = uartCmdMgr_p->wait();
kishino 20:dd736d328de6 161 if( ret != 0 )
kishino 20:dd736d328de6 162 {
kishino 20:dd736d328de6 163 printf( "send failed\r\n" );
kishino 20:dd736d328de6 164 mSnicWifi_p->freeCmdBuf( payload_buf );
kishino 20:dd736d328de6 165 return -1;
kishino 20:dd736d328de6 166 }
kishino 20:dd736d328de6 167
kishino 20:dd736d328de6 168 if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_SUCCESS )
kishino 20:dd736d328de6 169 {
kishino 20:dd736d328de6 170 printf("send status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
kishino 20:dd736d328de6 171 mSnicWifi_p->freeCmdBuf( payload_buf );
kishino 20:dd736d328de6 172 return -1;
kishino 20:dd736d328de6 173 }
kishino 20:dd736d328de6 174 mSnicWifi_p->freeCmdBuf( payload_buf );
kishino 20:dd736d328de6 175
kishino 20:dd736d328de6 176 // SNIC_SEND_FROM_SOCKET_REQ
kishino 20:dd736d328de6 177 return 0;
kishino 20:dd736d328de6 178 }
kishino 20:dd736d328de6 179
kishino 20:dd736d328de6 180 int TCPSocketConnection::receive(unsigned char* data_p, int length)
kishino 20:dd736d328de6 181 {
kishino 20:dd736d328de6 182 int i = 0;
kishino 20:dd736d328de6 183
kishino 20:dd736d328de6 184 if( (data_p == NULL) || (length < 1) )
kishino 20:dd736d328de6 185 {
kishino 20:dd736d328de6 186 printf("TCPSocketConnection::receive parameter error\r\n");
kishino 20:dd736d328de6 187 return -1;
kishino 20:dd736d328de6 188 }
kishino 20:dd736d328de6 189
kishino 20:dd736d328de6 190 // Initialize connection information
kishino 22:a9ec0cad4f84 191 C_SNIC_Core::tagCONNECT_INFO_T *con_info_p = mSnicWifi_p->getConnectInfo( mSocketID );
kishino 20:dd736d328de6 192 if( con_info_p->recvbuf_p == NULL )
kishino 20:dd736d328de6 193 {
kishino 20:dd736d328de6 194 printf("TCPSocketConnection::receive Conncection info error\r\n");
kishino 20:dd736d328de6 195 return -1;
kishino 20:dd736d328de6 196 }
kishino 20:dd736d328de6 197
kishino 20:dd736d328de6 198 // Check connection
kishino 20:dd736d328de6 199 if( con_info_p->is_connected == false )
kishino 20:dd736d328de6 200 {
kishino 20:dd736d328de6 201 printf(" Socket id \"%d\" is not connected\r\n", mSocketID);
kishino 20:dd736d328de6 202 return -1;
kishino 20:dd736d328de6 203 }
kishino 20:dd736d328de6 204
kishino 20:dd736d328de6 205 if( con_info_p->is_received == false )
kishino 20:dd736d328de6 206 {
kishino 20:dd736d328de6 207 // printf(" Socket id \"%d\" is not received\r\n", mSocketID);
kishino 20:dd736d328de6 208 return 0;
kishino 20:dd736d328de6 209 }
kishino 20:dd736d328de6 210
kishino 20:dd736d328de6 211 // Get packet data from buffer for receive.
kishino 20:dd736d328de6 212 for (i = 0; i < length; i ++)
kishino 20:dd736d328de6 213 {
kishino 20:dd736d328de6 214 if (con_info_p->recvbuf_p->dequeue(&data_p[i]) == false)
kishino 20:dd736d328de6 215 {
kishino 20:dd736d328de6 216 break;
kishino 20:dd736d328de6 217 }
kishino 20:dd736d328de6 218 }
kishino 20:dd736d328de6 219
kishino 20:dd736d328de6 220 if( con_info_p->recvbuf_p->isEmpty() )
kishino 20:dd736d328de6 221 {
kishino 20:dd736d328de6 222 con_info_p->is_received = false;
kishino 20:dd736d328de6 223 }
kishino 20:dd736d328de6 224
kishino 20:dd736d328de6 225 return i;
kishino 20:dd736d328de6 226 }