请问例程tcp-socket改写在客户端模式下主动向服务器发送数据用哪个函数？

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问答对人有帮助，内容完整，我也想知道答案 0 本帖最后由一只耳朵怪于 2018-6-8 09:31 编辑 1.改写在客户端模式下主动向服务器发送数据用哪个函数 2.例程上说客户端模式下发1000包数据后退出是指1000次消息么？ 3.#ifdef USER_INPUT_ENABLE 这句代码是什么意思主函数没有找到其他的USER_INPUT_ENABLE 关键词希望ti 论坛的技术大大帮我解释下谢谢了。 0
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答案对人有帮助，有参考价值 0 // sending packet iStatus = sl_Send(iSockID, g_cBsdBuf, sTestBufLen, 0 ); 发送函数 1000指的是1000包数据程序部分了做备注，参考 //************************************************************************** // //! brief Opening a TCP client side socket and sending data //! //! This function opens a TCP socket and tries to connect to a Server IP_ADDR //! waiting on port PORT_NUM. //! If the socket connection is successful then the function will send 1000 //! TCP packets to the server. //! //! param[in] port number on which the server will be listening on //! //! return 0 on success, -1 on Error. // //************************************************************************** int BsdTcpClient(unsigned short usPort) [ int iCounter; short sTestBufLen; SlSockAddrIn_t sAddr; int iAddrSize; int iSockID; int iStatus; long lLoopCount = 0; // filling the buffer for (iCounter=0 ; iCounter [ g_cBsdBuf[iCounter] = (char)(iCounter % 10); ] sTestBufLen = BUF_SIZE; //filling the TCP server socket address sAddr.sin_family = SL_AF_INET; sAddr.sin_port = sl_Htons((unsigned short)usPort); //目的IP地址端口号 sAddr.sin_addr.s_addr = sl_Htonl((unsigned int)g_ulDestinationIp); //目的IP地址IP_ADDR-手机上连接USR软件后配置TCP Server设置端口号并查看本机IP地址 iAddrSize = sizeof(SlSockAddrIn_t); // creating a TCP socket iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0); if( iSockID < 0 ) [ ASSERT_ON_ERROR(SOCKET_CREATE_ERROR); ] // connecting to TCP server iStatus = sl_Connect(iSockID, ( SlSockAddr_t )&sAddr, iAddrSize); //<连接>目的IP地址及端口号 if( iStatus < 0 ) [ // error sl_Close(iSockID); ASSERT_ON_ERROR(CONNECT_ERROR); ] // sending multiple packets to the TCP server while (lLoopCount < g_ulPacketCount) [ // sending packet iStatus = sl_Send(iSockID, g_cBsdBuf, sTestBufLen, 0 ); if( iStatus < 0 ) [ // error sl_Close(iSockID); ASSERT_ON_ERROR(SEND_ERROR); ] lLoopCount++; ] Report("Sent %u packets successfullynr",g_ulPacketCount); iStatus = sl_Close(iSockID); //closing the socket after sending 1000 packets ASSERT_ON_ERROR(iStatus); return SUCCESS; ] //************************************************************************* // //! brief Opening a TCP server side socket and receiving data //! //! This function opens a TCP socket in Listen mode and waits for an incoming //! TCP connection. //! If a socket connection is established then the function will try to read //! 1000 TCP packets from the connected client. //! //! param[in] port number on which the server will be listening on //! //! return 0 on success, -1 on error. //! //! note This function will wait for an incoming connection till //! one is established // //************************************************************************** int BsdTcpServer(unsigned short usPort) [ SlSockAddrIn_t sAddr; SlSockAddrIn_t sLocalAddr; int iCounter; int iAddrSize; int iSockID; int iStatus; int iNewSockID; long lLoopCount = 0; long lNonBlocking = 1; int iTestBufLen; // filling the buffer for (iCounter=0 ; iCounter [ g_cBsdBuf[iCounter] = (char)(iCounter % 10); ] iTestBufLen = BUF_SIZE; //filling the TCP server socket address sLocalAddr.sin_family = SL_AF_INET; sLocalAddr.sin_port = sl_Htons((unsigned short)usPort); //仅用到本机IP的端口号即可 sLocalAddr.sin_addr.s_addr = 0; //建立TCP服务器时忽略本机IP地址 // creating a TCP socket iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0); if( iSockID < 0 ) [ // error ASSERT_ON_ERROR(SOCKET_CREATE_ERROR); ] iAddrSize = sizeof(SlSockAddrIn_t); // binding the TCP socket to the TCP server address iStatus = sl_Bind(iSockID, (SlSockAddr_t )&sLocalAddr, iAddrSize); //绑定该TCP socket if( iStatus < 0 ) [ // error sl_Close(iSockID); ASSERT_ON_ERROR(BIND_ERROR); ] // putting the socket for listening to the incoming TCP connection iStatus = sl_Listen(iSockID, 0); //开始监听TCP连接 if( iStatus < 0 ) [ sl_Close(iSockID); ASSERT_ON_ERROR(LISTEN_ERROR); ] // setting socket option to make the socket as non blocking iStatus = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_NONBLOCKING, &lNonBlocking, sizeof(lNonBlocking)); //设置为非阻塞模式 if( iStatus < 0 ) [ sl_Close(iSockID); ASSERT_ON_ERROR(SOCKET_OPT_ERROR); ] iNewSockID = SL_EAGAIN; // waiting for an incoming TCP connection while( iNewSockID < 0 ) [ // accepts a connection form a TCP client, if there is any // otherwise returns SL_EAGAIN iNewSockID = sl_Accept(iSockID, ( struct SlSockAddr_t )&sAddr, (SlSocklen_t)&iAddrSize); if( iNewSockID == SL_EAGAIN ) [ MAP_UtilsDelay(10000); ] else if( iNewSockID < 0 ) [ // error sl_Close(iNewSockID); sl_Close(iSockID); ASSERT_ON_ERROR(ACCEPT_ERROR); ] ] // waits for 1000 packets from the connected TCP client while (lLoopCount < g_ulPacketCount) [ iStatus = sl_Recv(iNewSockID, g_cBsdBuf, iTestBufLen, 0); if( iStatus <= 0 ) [ // error sl_Close(iNewSockID); sl_Close(iSockID); ASSERT_ON_ERROR(RECV_ERROR); ] lLoopCount++; ] Report("Recieved %u packets successfullynr",g_ulPacketCount); // close the connected socket after receiving from connected TCP client iStatus = sl_Close(iNewSockID); ASSERT_ON_ERROR(iStatus); // close the listening socket iStatus = sl_Close(iSockID); ASSERT_ON_ERROR(iStatus); return SUCCESS; ] //************************************************************************* // //! brief Connecting to a WLAN Accesspoint //! //! This function connects to the required AP (SSID_NAME) with Security //! parameters specified in te form of macros at the top of this file //! //! param[in] None //! //! return Status value //! //! warning If the WLAN connection fails or we don't aquire an IP //! address, It will be stuck in this function forever. // //************************************************************************** static long WlanConnect() [ SlSecParams_t secParams = [0]; long lRetVal = 0; secParams.Key = (signed char)SECURITY_KEY; secParams.KeyLen = strlen(SECURITY_KEY); secParams.Type = SECURITY_TYPE; lRetVal = sl_WlanConnect((signed char)SSID_NAME, strlen(SSID_NAME), 0, &secParams, 0); ASSERT_ON_ERROR(lRetVal); /* Wait / while((!IS_CONNECTED(g_ulStatus)) \|\| (!IS_IP_ACQUIRED(g_ulStatus))) //还是要在这等待网络事件产生！ [ // Wait for WLAN Event #ifndef SL_PLATFORM_MULTI_THREADED _SlNonOsMainLoopTask(); #endif ] return SUCCESS; ] //************************************************************************** // //! Application startup display on UART //! //! param none //! //! return none //! //*************************************************************************** static void DisplayBanner(char * AppName) [ Report("nnnr"); Report("tt ***********************************************nr"); Report("tt CC3200 %s Application nr", AppName); Report("tt *********************************************nr"); Report("nnnr"); ] //************************************************************************* // //! Board Initialization & Configuration //! //! param None //! //! return None // //*************************************************************************** static void BoardInit(void) [ /* In case of TI-RTOS vector table is initialize by OS itself / #ifndef USE_TIRTOS // // Set vector table base // #if defined(ccs) \|\| defined (gcc) MAP_IntVTableBaseSet((unsigned long)&g_pfnVectors[0]); #endif #if defined(ewarm) MAP_IntVTableBaseSet((unsigned long)&__vector_table); #endif #endif // // Enable Processor // MAP_IntMasterEnable(); MAP_IntEnable(FAULT_SYSTICK); PRCMCC3200MCUInit(); ] //************************************************************************* // MAIN FUNCTION //************************************************************************** void main() [ long lRetVal = -1; // // Board Initialization // BoardInit(); // // Initialize the uDMA // UDMAInit(); // // Configure the pinmux settings for the peripherals exercised // PinMuxConfig(); // // Configuring UART // InitTerm(); // // Display banner // DisplayBanner(APPLICATION_NAME); InitializeAppVariables(); // // Following function configure the device to default state by cleaning // the persistent settings stored in NVMEM (viz. connection profiles & // policies, power policy etc) // // Applications may choose to skip this step if the developer is sure // that the device is in its default state at start of applicaton // // Note that all profiles and persistent settings that were done on the // device will be lost // lRetVal = ConfigureSimpleLinkToDefaultState(); if(lRetVal < 0) [ if (DEVICE_NOT_IN_STATION_MODE == lRetVal) UART_PRINT("Failed to configure the device in its default state nr"); LOOP_FOREVER(); ] UART_PRINT("Device is configured in default state nr"); // // Asumption is that the device is configured in station mode already // and it is in its default state // lRetVal = sl_Start(0, 0, 0); if (lRetVal < 0) [ UART_PRINT("Failed to start the device nr"); LOOP_FOREVER(); ] UART_PRINT("Device started as STATION nr"); UART_PRINT("Connecting to AP: %s ...rn",SSID_NAME); // Connecting to WLAN AP - Set with static parameters defined at common.h // After this call we will be connected and have IP address lRetVal = WlanConnect(); if(lRetVal < 0) [ UART_PRINT("Connection to AP failed nr"); LOOP_FOREVER(); ] UART_PRINT("Connected to AP: %s nr",SSID_NAME); UART_PRINT("Device IP: %d.%d.%d.%dnrnr", SL_IPV4_BYTE(g_ulIpAddr,3), SL_IPV4_BYTE(g_ulIpAddr,2), SL_IPV4_BYTE(g_ulIpAddr,1), SL_IPV4_BYTE(g_ulIpAddr,0)); #ifdef USER_INPUT_ENABLE //定义了USER_INPUT_ENABLE lRetVal = UserInput(); if(lRetVal < 0) [ ERR_PRINT(lRetVal); LOOP_FOREVER(); ] #else //不执行 lRetVal = BsdTcpClient(PORT_NUM); //建立CC3200-TCP Client并向目的IP及端口号5001发送TCP数据 if(lRetVal < 0) [ UART_PRINT("TCP Client failednr"); LOOP_FOREVER(); ] lRetVal = BsdTcpServer(PORT_NUM); //建立TCP Server 等待连接并接收数据 if(lRetVal < 0) [ UART_PRINT("TCP Server failednr"); LOOP_FOREVER(); ] #endif UART_PRINT("Exiting Application ...nr"); // // power of the Network processor // lRetVal = sl_Stop(SL_STOP_TIMEOUT); while (1) [ _SlNonOsMainLoopTask(); ] ]

2018-6-7 06:08:27 评论举报朱小玲

答案对人有帮助，有参考价值 0 asa1253 发表于 2018-6-7 06:08 // sending packet iStatus = sl_Send(iSockID, g_cBsdBuf, sTestBufLen, 0 ); 发送函数 1000指的是1000包数据谢谢你的回答！

2018-6-7 06:21:42 评论举报刘欢