ban4jp - / SNICInterface_PullReq

for EthernetInterface library compatibility.\\ ** Unoffical fix. may be a problem. **

Dependents:   SNIC-httpclient-example SNIC-ntpclient-example

Fork of SNICInterface by muRata

Socket/TCPSocketServer.cpp@43:d80bbb12ffe6, 2014-11-14 (annotated)

Committer:
kishino
Date:
Fri Nov 14 00:52:31 2014 +0000
Revision:
43:d80bbb12ffe6
Parent:
41:1c1b5ad4d491 
It was reviewed and modified the Receive logic of socket communication(TCP and UDP).

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 39:a1233ca02edf 18 /* Copyright (C) 2014 Murata Manufacturing Co.,Ltd., MIT License
kishino 41:1c1b5ad4d491 19 * port to the muRata, SWITCH SCIENCE Wi-FI module TypeYD SNIC-UART.
kishino 39:a1233ca02edf 20 */
kishino 20:dd736d328de6 21 #include "TCPSocketServer.h"
kishino 32:ae95309643aa 22 #include "SNIC_Core.h"
kishino 20:dd736d328de6 23
kishino 20:dd736d328de6 24 #include <cstring>
kishino 20:dd736d328de6 25
kishino 20:dd736d328de6 26 TCPSocketServer::TCPSocketServer()
kishino 20:dd736d328de6 27 {
kishino 20:dd736d328de6 28 }
kishino 20:dd736d328de6 29
kishino 26:f2e1030964e4 30 TCPSocketServer::~TCPSocketServer()
kishino 26:f2e1030964e4 31 {
kishino 26:f2e1030964e4 32 }
kishino 26:f2e1030964e4 33
kishino 32:ae95309643aa 34 int TCPSocketServer::bind(unsigned short port)
kishino 20:dd736d328de6 35 {
kishino 32:ae95309643aa 36 int ret;
kishino 32:ae95309643aa 37 C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance();
kishino 32:ae95309643aa 38 C_SNIC_UartCommandManager *uartCmdMgr_p = snic_core_p->getUartCommand();
kishino 32:ae95309643aa 39
kishino 43:d80bbb12ffe6 40 snic_core_p->lockAPI();
kishino 32:ae95309643aa 41 // Get local ip address.
kishino 32:ae95309643aa 42 // Get buffer for response payload from MemoryPool
kishino 38:f13e4e563d65 43 tagMEMPOOL_BLOCK_T *payload_buf_p = snic_core_p->allocCmdBuf();
kishino 38:f13e4e563d65 44 if( payload_buf_p == NULL )
kishino 32:ae95309643aa 45 {
kishino 40:b6b10c22a121 46 DEBUG_PRINT("bind payload_buf_p NULL\r\n");
kishino 43:d80bbb12ffe6 47 snic_core_p->unlockAPI();
kishino 32:ae95309643aa 48 return -1;
kishino 32:ae95309643aa 49 }
kishino 32:ae95309643aa 50
kishino 32:ae95309643aa 51 C_SNIC_Core::tagSNIC_GET_DHCP_INFO_REQ_T req;
kishino 32:ae95309643aa 52 // Make request
kishino 32:ae95309643aa 53 req.cmd_sid = UART_CMD_SID_SNIC_GET_DHCP_INFO_REQ;
kishino 32:ae95309643aa 54 req.seq = mUartRequestSeq++;
kishino 32:ae95309643aa 55 req.interface = 0;
kishino 32:ae95309643aa 56
kishino 38:f13e4e563d65 57 unsigned char *command_array_p = snic_core_p->getCommandBuf();
kishino 32:ae95309643aa 58 unsigned int command_len;
kishino 32:ae95309643aa 59 // Preparation of command
kishino 32:ae95309643aa 60 command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)&req
kishino 38:f13e4e563d65 61 , sizeof(C_SNIC_Core::tagSNIC_GET_DHCP_INFO_REQ_T), payload_buf_p->buf, command_array_p );
kishino 32:ae95309643aa 62 // Send uart command request
kishino 38:f13e4e563d65 63 snic_core_p->sendUart( command_len, command_array_p );
kishino 32:ae95309643aa 64 // Wait UART response
kishino 32:ae95309643aa 65 ret = uartCmdMgr_p->wait();
kishino 32:ae95309643aa 66 if( ret != 0 )
kishino 32:ae95309643aa 67 {
kishino 40:b6b10c22a121 68 DEBUG_PRINT( "bind failed\r\n" );
kishino 38:f13e4e563d65 69 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 43:d80bbb12ffe6 70 snic_core_p->unlockAPI();
kishino 32:ae95309643aa 71 return -1;
kishino 32:ae95309643aa 72 }
kishino 32:ae95309643aa 73
kishino 32:ae95309643aa 74 if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_SUCCESS )
kishino 32:ae95309643aa 75 {
kishino 40:b6b10c22a121 76 DEBUG_PRINT("bind status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
kishino 38:f13e4e563d65 77 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 43:d80bbb12ffe6 78 snic_core_p->unlockAPI();
kishino 32:ae95309643aa 79 return -1;
kishino 32:ae95309643aa 80 }
kishino 32:ae95309643aa 81
kishino 38:f13e4e563d65 82 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 43:d80bbb12ffe6 83 snic_core_p->unlockAPI();
kishino 32:ae95309643aa 84
kishino 38:f13e4e563d65 85 unsigned int local_addr = (payload_buf_p->buf[9] << 24)
kishino 38:f13e4e563d65 86 | (payload_buf_p->buf[10] << 16)
kishino 38:f13e4e563d65 87 | (payload_buf_p->buf[11] << 8)
kishino 38:f13e4e563d65 88 | (payload_buf_p->buf[12]);
kishino 32:ae95309643aa 89
kishino 32:ae95309643aa 90 // Socket create
kishino 32:ae95309643aa 91 ret = createSocket( 1, local_addr, port );
kishino 32:ae95309643aa 92 if( ret != 0 )
kishino 32:ae95309643aa 93 {
kishino 40:b6b10c22a121 94 DEBUG_PRINT("bind error : %d\r\n", ret);
kishino 32:ae95309643aa 95 return -1;
kishino 32:ae95309643aa 96 }
kishino 32:ae95309643aa 97
kishino 20:dd736d328de6 98 return 0;
kishino 20:dd736d328de6 99 }
kishino 20:dd736d328de6 100
kishino 20:dd736d328de6 101 int TCPSocketServer::listen(int max)
kishino 20:dd736d328de6 102 {
kishino 32:ae95309643aa 103 C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance();
kishino 32:ae95309643aa 104 C_SNIC_UartCommandManager *uartCmdMgr_p = snic_core_p->getUartCommand();
kishino 32:ae95309643aa 105
kishino 43:d80bbb12ffe6 106 snic_core_p->lockAPI();
kishino 32:ae95309643aa 107 // Get buffer for response payload from MemoryPool
kishino 38:f13e4e563d65 108 tagMEMPOOL_BLOCK_T *payload_buf_p = snic_core_p->allocCmdBuf();
kishino 38:f13e4e563d65 109 if( payload_buf_p == NULL )
kishino 32:ae95309643aa 110 {
kishino 40:b6b10c22a121 111 DEBUG_PRINT("listen payload_buf_p NULL\r\n");
kishino 43:d80bbb12ffe6 112 snic_core_p->unlockAPI();
kishino 32:ae95309643aa 113 return -1;
kishino 32:ae95309643aa 114 }
kishino 32:ae95309643aa 115
kishino 32:ae95309643aa 116 C_SNIC_Core::tagSNIC_TCP_CREATE_CONNECTION_REQ_T req;
kishino 32:ae95309643aa 117 // Make request
kishino 32:ae95309643aa 118 req.cmd_sid = UART_CMD_SID_SNIC_TCP_CREATE_CONNECTION_REQ;
kishino 32:ae95309643aa 119 req.seq = mUartRequestSeq++;
kishino 32:ae95309643aa 120 req.socket_id = mSocketID;
kishino 32:ae95309643aa 121 req.recv_bufsize[0] = ( (SNIC_UART_RECVBUF_SIZE & 0xFF00) >> 8 );
kishino 32:ae95309643aa 122 req.recv_bufsize[1] = (SNIC_UART_RECVBUF_SIZE & 0xFF);
kishino 32:ae95309643aa 123 req.max_client = max;
kishino 32:ae95309643aa 124
kishino 38:f13e4e563d65 125 unsigned char *command_array_p = snic_core_p->getCommandBuf();
kishino 32:ae95309643aa 126 unsigned int command_len;
kishino 32:ae95309643aa 127 // Preparation of command
kishino 32:ae95309643aa 128 command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)&req
kishino 38:f13e4e563d65 129 , sizeof(C_SNIC_Core::tagSNIC_TCP_CREATE_CONNECTION_REQ_T), payload_buf_p->buf, command_array_p );
kishino 32:ae95309643aa 130
kishino 32:ae95309643aa 131 int ret;
kishino 32:ae95309643aa 132
kishino 32:ae95309643aa 133 // Send uart command request
kishino 38:f13e4e563d65 134 snic_core_p->sendUart( command_len, command_array_p );
kishino 32:ae95309643aa 135
kishino 32:ae95309643aa 136 // Wait UART response
kishino 32:ae95309643aa 137 ret = uartCmdMgr_p->wait();
kishino 32:ae95309643aa 138 if( ret != 0 )
kishino 32:ae95309643aa 139 {
kishino 40:b6b10c22a121 140 DEBUG_PRINT( "listen failed\r\n" );
kishino 38:f13e4e563d65 141 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 43:d80bbb12ffe6 142 snic_core_p->unlockAPI();
kishino 32:ae95309643aa 143 return -1;
kishino 32:ae95309643aa 144 }
kishino 32:ae95309643aa 145
kishino 32:ae95309643aa 146 if( uartCmdMgr_p->getCommandStatus() != 0 )
kishino 32:ae95309643aa 147 {
kishino 40:b6b10c22a121 148 DEBUG_PRINT("listen status:%02x\r\n", uartCmdMgr_p->getCommandStatus());
kishino 38:f13e4e563d65 149 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 43:d80bbb12ffe6 150 snic_core_p->unlockAPI();
kishino 32:ae95309643aa 151 return -1;
kishino 32:ae95309643aa 152 }
kishino 32:ae95309643aa 153
kishino 38:f13e4e563d65 154 snic_core_p->freeCmdBuf( payload_buf_p );
kishino 43:d80bbb12ffe6 155 snic_core_p->unlockAPI();
kishino 20:dd736d328de6 156 return 0;
kishino 20:dd736d328de6 157 }
kishino 20:dd736d328de6 158
kishino 32:ae95309643aa 159 int TCPSocketServer::accept(TCPSocketConnection *connection)
kishino 20:dd736d328de6 160 {
kishino 32:ae95309643aa 161 C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance();
kishino 32:ae95309643aa 162 int i;
kishino 32:ae95309643aa 163 int ret = -1;
kishino 32:ae95309643aa 164
kishino 32:ae95309643aa 165 C_SNIC_Core::tagCONNECT_INFO_T *con_info_p;
kishino 32:ae95309643aa 166 for( i = 0; i < MAX_SOCKET_ID+1; i++ )
kishino 32:ae95309643aa 167 {
kishino 32:ae95309643aa 168 // Get connection information
kishino 32:ae95309643aa 169 con_info_p = snic_core_p->getConnectInfo( i );
kishino 32:ae95309643aa 170 if( (con_info_p->is_connected == true)
kishino 32:ae95309643aa 171 && (con_info_p->is_accept == true)
kishino 32:ae95309643aa 172 && (con_info_p->parent_socket == mSocketID) )
kishino 32:ae95309643aa 173 {
kishino 32:ae95309643aa 174 // Set socket id
kishino 32:ae95309643aa 175 connection->setAcceptSocket( i );
kishino 32:ae95309643aa 176 ret = 0;
kishino 32:ae95309643aa 177 }
kishino 32:ae95309643aa 178 }
kishino 32:ae95309643aa 179
kishino 32:ae95309643aa 180 return ret;
kishino 20:dd736d328de6 181 }