SNICInterface for ThingPlug Example
Dependents: ThingPlug_WiFi_Example ThingPlug_WiFi_Example_2
Fork of SNICInterface by
Diff: Socket/UDPSocket.cpp
- Revision:
- 33:33f1bc919486
- Parent:
- 29:6a0ba999597d
- Child:
- 36:f33fcf5975ab
diff -r ae95309643aa -r 33f1bc919486 Socket/UDPSocket.cpp --- a/Socket/UDPSocket.cpp Fri May 30 08:30:40 2014 +0000 +++ b/Socket/UDPSocket.cpp Tue Jun 03 08:53:07 2014 +0000 @@ -29,7 +29,6 @@ * ***********************************************************************/ #include "Socket/UDPSocket.h" - #include <cstring> UDPSocket::UDPSocket() { @@ -45,19 +44,233 @@ } // Server initialization -int UDPSocket::bind(int port) +int UDPSocket::bind(short port) { + int ret; + C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance(); + C_SNIC_UartCommandManager *uartCmdMgr_p = snic_core_p->getUartCommand(); + + // Get local ip address. + // Get buffer for response payload from MemoryPool + tagMEMPOOL_BLOCK_T *payload_buf = snic_core_p->allocCmdBuf(); + if( payload_buf == NULL ) + { + printf("UDP bind payload_buf NULL\r\n"); + return -1; + } + + C_SNIC_Core::tagSNIC_GET_DHCP_INFO_REQ_T req; + // Make request + req.cmd_sid = UART_CMD_SID_SNIC_GET_DHCP_INFO_REQ; + req.seq = mUartRequestSeq++; + req.interface = 0; + + unsigned char command_array[UART_REQUEST_PAYLOAD_MAX]; + unsigned int command_len; + // Preparation of command + command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)&req + , sizeof(C_SNIC_Core::tagSNIC_GET_DHCP_INFO_REQ_T), payload_buf->buf, command_array ); + // Send uart command request + snic_core_p->sendUart( command_len, command_array ); + // Wait UART response + ret = uartCmdMgr_p->wait(); + if( ret != 0 ) + { + printf( "UDP bind failed\r\n" ); + snic_core_p->freeCmdBuf( payload_buf ); + return -1; + } + + if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_SUCCESS ) + { + printf("UDP bind status:%02x\r\n", uartCmdMgr_p->getCommandStatus()); + snic_core_p->freeCmdBuf( payload_buf ); + return -1; + } + + unsigned int local_addr = (payload_buf->buf[9] << 24) + | (payload_buf->buf[10] << 16) + | (payload_buf->buf[11] << 8) + | (payload_buf->buf[12]); + + + C_SNIC_Core::tagSNIC_UDP_CREATE_SOCKET_REQ_T create_req; + + // Make request + create_req.cmd_sid = UART_CMD_SID_SNIC_UDP_CREATE_SOCKET_REQ; + create_req.seq = mUartRequestSeq++; + create_req.bind = 1; + // set ip addr ( byte order ) + C_SNIC_UartMsgUtil::convertIntToByteAdday( local_addr, (char *)create_req.local_addr ); + create_req.local_port[0] = ( (port & 0xFF00) >> 8 ); + create_req.local_port[1] = (port & 0xFF); + + // Preparation of command + command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, create_req.cmd_sid, (unsigned char *)&create_req + , sizeof(C_SNIC_Core::tagSNIC_UDP_CREATE_SOCKET_REQ_T), payload_buf->buf, command_array ); + // Send uart command request + snic_core_p->sendUart( command_len, command_array ); + + // Wait UART response + ret = uartCmdMgr_p->wait(); + if( ret != 0 ) + { + printf( "UDP bind failed\r\n" ); + snic_core_p->freeCmdBuf( payload_buf ); + return -1; + } + + if( uartCmdMgr_p->getCommandStatus() != 0 ) + { + printf("UDP bind status:%02x\r\n", uartCmdMgr_p->getCommandStatus()); + snic_core_p->freeCmdBuf( payload_buf ); + return -1; + } + mSocketID = payload_buf->buf[3]; + + C_SNIC_Core::tagSNIC_UDP_START_RECV_REQ_T recv_start_req; + + // Make request + recv_start_req.cmd_sid = UART_CMD_SID_SNIC_UDP_START_RECV_REQ; + recv_start_req.seq = mUartRequestSeq++; + recv_start_req.socket_id = mSocketID; + recv_start_req.recv_bufsize[0] = ( (SNIC_UART_RECVBUF_SIZE & 0xFF00) >> 8 ); + recv_start_req.recv_bufsize[1] = (SNIC_UART_RECVBUF_SIZE & 0xFF); + + // Preparation of command + command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, recv_start_req.cmd_sid, (unsigned char *)&recv_start_req + , sizeof(C_SNIC_Core::tagSNIC_UDP_START_RECV_REQ_T), payload_buf->buf, command_array ); + // Send uart command request + snic_core_p->sendUart( command_len, command_array ); + + // Wait UART response + ret = uartCmdMgr_p->wait(); + if( ret != 0 ) + { + printf( "UDP recv start failed\r\n" ); + snic_core_p->freeCmdBuf( payload_buf ); + return -1; + } + + if( uartCmdMgr_p->getCommandStatus() != 0 ) + { + printf("UDP recv start status:%02x\r\n", uartCmdMgr_p->getCommandStatus()); + snic_core_p->freeCmdBuf( payload_buf ); + return -1; + } + + snic_core_p->freeCmdBuf( payload_buf ); + return 0; } // -1 if unsuccessful, else number of bytes written int UDPSocket::sendTo(Endpoint &remote, char *packet, int length) { + C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance(); + C_SNIC_UartCommandManager *uartCmdMgr_p = snic_core_p->getUartCommand(); + + // Get buffer for response payload from MemoryPool + tagMEMPOOL_BLOCK_T *payload_buf = snic_core_p->allocCmdBuf(); + if( payload_buf == NULL ) + { + printf("connect payload_buf NULL\r\n"); + return -1; + } + + C_SNIC_Core::tagSNIC_UDP_SIMPLE_SEND_REQ_T req; + // Make request + req.cmd_sid = UART_CMD_SID_SNIC_UDP_SIMPLE_SEND_REQ; + req.seq = mUartRequestSeq++; + + int addr_temp; + addr_temp = C_SNIC_UartMsgUtil::addrToInteger( remote.get_address() ); + C_SNIC_UartMsgUtil::convertIntToByteAdday( addr_temp, (char *)req.remote_ip ); + req.remote_port[0]= ( (remote.get_port() & 0xFF00) >> 8 ); + req.remote_port[1]= (remote.get_port() & 0xFF); + req.payload_len[0]= ( (length & 0xFF00) >> 8 ); + req.payload_len[1]= (length & 0xFF); + + int req_size = sizeof(C_SNIC_Core::tagSNIC_UDP_SIMPLE_SEND_REQ_T); + + char *send_buf_p = getSocketSendBuf(); + memcpy( send_buf_p, &req, req_size ); + memcpy( &send_buf_p[req_size], packet, length ); + + unsigned char *command_array = snic_core_p->getCommandBuf(); + unsigned int command_len; + // Preparation of command + command_len = snic_core_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)send_buf_p + , req_size + length, payload_buf->buf, command_array ); + + // Send uart command request + snic_core_p->sendUart( command_len, command_array ); + + // Wait UART response + int ret = uartCmdMgr_p->wait(); + if( ret != 0 ) + { + printf( "send failed\r\n" ); + snic_core_p->freeCmdBuf( payload_buf ); + return -1; + } + + if( uartCmdMgr_p->getCommandStatus() != UART_CMD_RES_SNIC_SUCCESS ) + { + printf("send status:%02x\r\n", uartCmdMgr_p->getCommandStatus()); + snic_core_p->freeCmdBuf( payload_buf ); + return -1; + } + snic_core_p->freeCmdBuf( payload_buf ); + + // SNIC_SEND_FROM_SOCKET_REQ return 0; } // -1 if unsuccessful, else number of bytes received -int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length) +int UDPSocket::receiveFrom(Endpoint &remote, char *data_p, int length) { - return 0; + if( (data_p == NULL) || (length < 1) ) + { + printf("UDPSocket::receiveFrom parameter error\r\n"); + return -1; + } + + C_SNIC_Core *snic_core_p = C_SNIC_Core::getInstance(); + // Initialize connection information + C_SNIC_Core::tagUDP_RECVINFO_T *con_info_p = snic_core_p->getUdpRecvInfo( mSocketID ); + if( con_info_p->recvbuf_p == NULL ) + { +// printf("UDPSocket::receiveFrom Conncection info error\r\n"); + return 0; + } + if( con_info_p->is_received == false ) + { + return 0; + } + + char remote_ip[20] = {'\0'}; + sprintf( remote_ip, "%d.%d.%d.%d" + , (con_info_p->from_ip >>24) & 0x000000ff + , (con_info_p->from_ip >>16) & 0x000000ff + , (con_info_p->from_ip >>8) & 0x000000ff + , (con_info_p->from_ip) & 0x000000ff ); + remote.set_address( remote_ip, con_info_p->from_port ); + + int i; + // 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; }