SKTelecom_ThingPlug / SNICInterface

SNICInterface for ThingPlug Example

Dependents:   ThingPlug_WiFi_Example ThingPlug_WiFi_Example_2

Fork of SNICInterface by muRata

Socket/TCPSocketConnection.cpp@38:f13e4e563d65, 2014-06-25 (annotated)

Committer:
kishino
Date:
Wed Jun 25 00:04:11 2014 +0000
Revision:
38:f13e4e563d65
Parent:
37:f3a2053627c2
Child:
39:a1233ca02edf
Fixed a variable name of pointer type.

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 TCPSocketConnection::TCPSocketConnection()
kishino 20:dd736d328de6 34 {
kishino 20:dd736d328de6 35 }
kishino 20:dd736d328de6 36
kishino 26:f2e1030964e4 37 TCPSocketConnection::~TCPSocketConnection()
kishino 26:f2e1030964e4 38 {
kishino 26:f2e1030964e4 39 }
kishino 26:f2e1030964e4 40
kishino 29:6a0ba999597d 41 int TCPSocketConnection::connect( const char *host_p, unsigned short port)
kishino 20:dd736d328de6 42 {
kishino 20:dd736d328de6 43 int ret;
kishino 24:987e412ae879 44 C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance();
kishino 24:987e412ae879 45 C_SNIC_UartCommandManager *uartCmdMgr_p = snic_core_p->getUartCommand();
kishino 29:6a0ba999597d 46
kishino 20:dd736d328de6 47 // Socket create
kishino 20:dd736d328de6 48 ret = createSocket();
kishino 20:dd736d328de6 49 if( ret != 0 )
kishino 20:dd736d328de6 50 {
kishino 20:dd736d328de6 51 printf("createSocket error : %d\r\n", ret);
kishino 20:dd736d328de6 52 return -1;
kishino 20:dd736d328de6 53 }
kishino 20:dd736d328de6 54
kishino 29:6a0ba999597d 55 int ip_addr = resolveHostName( host_p );
kishino 30:944b8c04b5ff 56 //lcd_printf("connect to [%s](%08x)\r\n", host_p, ip_addr);
kishino 29:6a0ba999597d 57 if( ( ip_addr == 0) || (ip_addr == -1) )
kishino 29:6a0ba999597d 58 {
kishino 29:6a0ba999597d 59 printf("connect resolveHostName failed\r\n");
kishino 29:6a0ba999597d 60 return -1;
kishino 29:6a0ba999597d 61 }
kishino 29:6a0ba999597d 62
kishino 20:dd736d328de6 63 // Get buffer for response payload from MemoryPool
kishino 38:f13e4e563d65 64 tagMEMPOOL_BLOCK_T *payload_buf_p = snic_core_p->allocCmdBuf();
kishino 38:f13e4e563d65 65 if( payload_buf_p == NULL )
kishino 20:dd736d328de6 66 {
kishino 38:f13e4e563d65 67 printf("connect payload_buf_p NULL\r\n");
kishino 20:dd736d328de6 68 return -1;
kishino 20:dd736d328de6 69 }
kishino 29:6a0ba999597d 70
kishino 27:dcc4f34448f0 71 // IP address convert to number from strings.
kishino 29:6a0ba999597d 72 // unsigned int ip_addr = addrToInteger(ip_addr_p);
kishino 27:dcc4f34448f0 73
kishino 29:6a0ba999597d 74 //
kishino 22:a9ec0cad4f84 75 C_SNIC_Core::tagSNIC_TCP_CONNECT_TO_SERVER_REQ_T req;
kishino 20:dd736d328de6 76 // Make request
kishino 20:dd736d328de6 77 req.cmd_sid = UART_CMD_SID_SNIC_TCP_CONNECT_TO_SERVER_REQ;
kishino 20:dd736d328de6 78 req.seq = mUartRequestSeq++;
kishino 20:dd736d328de6 79 req.socket_id = mSocketID;
kishino 20:dd736d328de6 80
kishino 20:dd736d328de6 81 // set ip addr ( byte order )
kishino 34:8c3527b8f44e 82 C_SNIC_UartMsgUtil::convertIntToByteAdday( ip_addr, (char *)req.remote_addr );
kishino 20:dd736d328de6 83 req.remote_port[0] = ( (port & 0xFF00) >> 8 );
kishino 20:dd736d328de6 84 req.remote_port[1] = (port & 0xFF);
kishino 20:dd736d328de6 85 req.recv_bufsize[0] = ( (SNIC_UART_RECVBUF_SIZE & 0xFF00) >> 8 );
kishino 20:dd736d328de6 86 req.recv_bufsize[1] = (SNIC_UART_RECVBUF_SIZE & 0xFF);
kishino 20:dd736d328de6 87 req.timeout = 60;
kishino 20:dd736d328de6 88
kishino 38:f13e4e563d65 89 unsigned char *command_array_p = snic_core_p->getCommandBuf();
kishino 20:dd736d328de6 90 unsigned int command_len;
kishino 20:dd736d328de6 91 // Preparation of command
kishino 24:987e412ae879 92 command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)&req
kishino 38:f13e4e563d65 93 , sizeof(C_SNIC_Core::tagSNIC_TCP_CONNECT_TO_SERVER_REQ_T), payload_buf_p->buf, command_array_p );
kishino 20:dd736d328de6 94
kishino 29:6a0ba999597d 95 uartCmdMgr_p->setCommandSID( UART_CMD_SID_SNIC_TCP_CONNECTION_STATUS_IND );
kishino 29:6a0ba999597d 96
kishino 20:dd736d328de6 97 // Send uart command request
kishino 38:f13e4e563d65 98 snic_core_p->sendUart( command_len, command_array_p );
kishino 20:dd736d328de6 99
kishino 20:dd736d328de6 100 // Wait UART response
kishino 20:dd736d328de6 101 ret = uartCmdMgr_p->wait();
kishino 20:dd736d328de6 102 if( ret != 0 )
kishino 20:dd736d328de6 103 {
kishino 20:dd736d328de6 104 printf( "connect failed\r\n" );
kishino 38:f13e4e563d65 105 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 20:dd736d328de6 106 return -1;
kishino 20:dd736d328de6 107 }
kishino 20:dd736d328de6 108
kishino 20:dd736d328de6 109 if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_CONNECTION_UP )
kishino 20:dd736d328de6 110 {
kishino 20:dd736d328de6 111 printf("connect status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
kishino 38:f13e4e563d65 112 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 20:dd736d328de6 113 return -1;
kishino 20:dd736d328de6 114 }
kishino 29:6a0ba999597d 115
kishino 38:f13e4e563d65 116 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 20:dd736d328de6 117
kishino 20:dd736d328de6 118 // Initialize connection information
kishino 24:987e412ae879 119 C_SNIC_Core::tagCONNECT_INFO_T *con_info_p = snic_core_p->getConnectInfo( mSocketID );
kishino 20:dd736d328de6 120 if( con_info_p->recvbuf_p == NULL )
kishino 20:dd736d328de6 121 {
kishino 20:dd736d328de6 122 printf( "create recv buffer[socket:%d]\r\n", mSocketID);
kishino 29:6a0ba999597d 123 con_info_p->recvbuf_p = new CircBuffer<char>(SNIC_UART_RECVBUF_SIZE);
kishino 20:dd736d328de6 124 }
kishino 20:dd736d328de6 125 con_info_p->is_connected = true;
kishino 20:dd736d328de6 126 con_info_p->is_received = false;
kishino 29:6a0ba999597d 127
kishino 20:dd736d328de6 128 return 0;
kishino 20:dd736d328de6 129 }
kishino 20:dd736d328de6 130
kishino 20:dd736d328de6 131 bool TCPSocketConnection::is_connected(void)
kishino 20:dd736d328de6 132 {
kishino 24:987e412ae879 133 C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance();
kishino 24:987e412ae879 134 C_SNIC_Core::tagCONNECT_INFO_T *con_info_p = snic_core_p->getConnectInfo( mSocketID );
kishino 20:dd736d328de6 135 return con_info_p->is_connected;
kishino 20:dd736d328de6 136 }
kishino 20:dd736d328de6 137
kishino 29:6a0ba999597d 138 int TCPSocketConnection::send(char* data_p, int length)
kishino 20:dd736d328de6 139 {
kishino 24:987e412ae879 140 C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance();
kishino 24:987e412ae879 141 C_SNIC_UartCommandManager *uartCmdMgr_p = snic_core_p->getUartCommand();
kishino 20:dd736d328de6 142
kishino 20:dd736d328de6 143 // Get buffer for response payload from MemoryPool
kishino 38:f13e4e563d65 144 tagMEMPOOL_BLOCK_T *payload_buf_p = snic_core_p->allocCmdBuf();
kishino 38:f13e4e563d65 145 if( payload_buf_p == NULL )
kishino 20:dd736d328de6 146 {
kishino 38:f13e4e563d65 147 printf("connect payload_buf_p NULL\r\n");
kishino 20:dd736d328de6 148 return -1;
kishino 20:dd736d328de6 149 }
kishino 29:6a0ba999597d 150
kishino 22:a9ec0cad4f84 151 C_SNIC_Core::tagSNIC_TCP_SEND_FROM_SOCKET_REQ_T req;
kishino 20:dd736d328de6 152 // Make request
kishino 20:dd736d328de6 153 req.cmd_sid = UART_CMD_SID_SNIC_SEND_FROM_SOCKET_REQ;
kishino 20:dd736d328de6 154 req.seq = mUartRequestSeq++;
kishino 20:dd736d328de6 155 req.socket_id = mSocketID;
kishino 20:dd736d328de6 156 req.option = 0;
kishino 20:dd736d328de6 157 req.payload_len[0]= ( (length & 0xFF00) >> 8 );
kishino 20:dd736d328de6 158 req.payload_len[1]= (length & 0xFF);
kishino 20:dd736d328de6 159
kishino 34:8c3527b8f44e 160 int req_size = sizeof(C_SNIC_Core::tagSNIC_TCP_SEND_FROM_SOCKET_REQ_T);
kishino 34:8c3527b8f44e 161 char *send_buf_p = getSocketSendBuf();
kishino 34:8c3527b8f44e 162 memcpy( send_buf_p, &req, req_size );
kishino 34:8c3527b8f44e 163 memcpy( &send_buf_p[req_size], data_p, length );
kishino 20:dd736d328de6 164
kishino 38:f13e4e563d65 165 unsigned char *command_array_p = snic_core_p->getCommandBuf();
kishino 29:6a0ba999597d 166 unsigned int command_len;
kishino 20:dd736d328de6 167 // Preparation of command
kishino 34:8c3527b8f44e 168 command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)send_buf_p
kishino 38:f13e4e563d65 169 , req_size + length, payload_buf_p->buf, command_array_p );
kishino 20:dd736d328de6 170
kishino 20:dd736d328de6 171 // Send uart command request
kishino 38:f13e4e563d65 172 snic_core_p->sendUart( command_len, command_array_p );
kishino 20:dd736d328de6 173
kishino 20:dd736d328de6 174 // Wait UART response
kishino 20:dd736d328de6 175 int ret = uartCmdMgr_p->wait();
kishino 20:dd736d328de6 176 if( ret != 0 )
kishino 20:dd736d328de6 177 {
kishino 20:dd736d328de6 178 printf( "send failed\r\n" );
kishino 38:f13e4e563d65 179 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 20:dd736d328de6 180 return -1;
kishino 20:dd736d328de6 181 }
kishino 20:dd736d328de6 182
kishino 20:dd736d328de6 183 if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_SUCCESS )
kishino 20:dd736d328de6 184 {
kishino 20:dd736d328de6 185 printf("send status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
kishino 38:f13e4e563d65 186 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 20:dd736d328de6 187 return -1;
kishino 20:dd736d328de6 188 }
kishino 38:f13e4e563d65 189 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 20:dd736d328de6 190
kishino 20:dd736d328de6 191 // SNIC_SEND_FROM_SOCKET_REQ
kishino 20:dd736d328de6 192 return 0;
kishino 20:dd736d328de6 193 }
kishino 20:dd736d328de6 194
kishino 29:6a0ba999597d 195 int TCPSocketConnection::send_all(char *data_p, int length)
kishino 29:6a0ba999597d 196 {
kishino 29:6a0ba999597d 197 return send( data_p, length );
kishino 29:6a0ba999597d 198 }
kishino 29:6a0ba999597d 199
kishino 29:6a0ba999597d 200 int TCPSocketConnection::receive(char* data_p, int length)
kishino 20:dd736d328de6 201 {
kishino 20:dd736d328de6 202 int i = 0;
kishino 20:dd736d328de6 203
kishino 20:dd736d328de6 204 if( (data_p == NULL) || (length < 1) )
kishino 20:dd736d328de6 205 {
kishino 20:dd736d328de6 206 printf("TCPSocketConnection::receive parameter error\r\n");
kishino 20:dd736d328de6 207 return -1;
kishino 20:dd736d328de6 208 }
kishino 20:dd736d328de6 209
kishino 24:987e412ae879 210 C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance();
kishino 20:dd736d328de6 211 // Initialize connection information
kishino 24:987e412ae879 212 C_SNIC_Core::tagCONNECT_INFO_T *con_info_p = snic_core_p->getConnectInfo( mSocketID );
kishino 20:dd736d328de6 213 if( con_info_p->recvbuf_p == NULL )
kishino 20:dd736d328de6 214 {
kishino 20:dd736d328de6 215 printf("TCPSocketConnection::receive Conncection info error\r\n");
kishino 20:dd736d328de6 216 return -1;
kishino 20:dd736d328de6 217 }
kishino 20:dd736d328de6 218
kishino 20:dd736d328de6 219 // Check connection
kishino 20:dd736d328de6 220 if( con_info_p->is_connected == false )
kishino 20:dd736d328de6 221 {
kishino 20:dd736d328de6 222 printf(" Socket id \"%d\" is not connected\r\n", mSocketID);
kishino 20:dd736d328de6 223 return -1;
kishino 20:dd736d328de6 224 }
kishino 20:dd736d328de6 225
kishino 20:dd736d328de6 226 if( con_info_p->is_received == false )
kishino 20:dd736d328de6 227 {
kishino 20:dd736d328de6 228 // printf(" Socket id \"%d\" is not received\r\n", mSocketID);
kishino 20:dd736d328de6 229 return 0;
kishino 20:dd736d328de6 230 }
kishino 20:dd736d328de6 231
kishino 20:dd736d328de6 232 // Get packet data from buffer for receive.
kishino 20:dd736d328de6 233 for (i = 0; i < length; i ++)
kishino 20:dd736d328de6 234 {
kishino 20:dd736d328de6 235 if (con_info_p->recvbuf_p->dequeue(&data_p[i]) == false)
kishino 20:dd736d328de6 236 {
kishino 20:dd736d328de6 237 break;
kishino 20:dd736d328de6 238 }
kishino 20:dd736d328de6 239 }
kishino 20:dd736d328de6 240
kishino 20:dd736d328de6 241 if( con_info_p->recvbuf_p->isEmpty() )
kishino 20:dd736d328de6 242 {
kishino 20:dd736d328de6 243 con_info_p->is_received = false;
kishino 20:dd736d328de6 244 }
kishino 20:dd736d328de6 245
kishino 20:dd736d328de6 246 return i;
kishino 20:dd736d328de6 247 }
kishino 32:ae95309643aa 248
kishino 32:ae95309643aa 249 void TCPSocketConnection::setAcceptSocket( int socket_id )
kishino 32:ae95309643aa 250 {
kishino 32:ae95309643aa 251 mSocketID = socket_id;
kishino 32:ae95309643aa 252 }