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(Go) TCP Socket Send Byte and Receive ByteDemonstrates the Chilkat Socket ReceiveByte and SendByte method.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. sock := chilkat.NewSocket() // -------------------------------------------------------------------- // This example uses the public TCP echo service at https://tcpbin.com/ // -------------------------------------------------------------------- useTls := false port := 4242 maxWaitMs := 5000 success := sock.Connect("tcpbin.com",port,useTls,maxWaitMs) if success == false { fmt.Println(sock.LastErrorText()) sock.DisposeSocket() return } // Wait a max of 2 seconds for a response.. sock.SetMaxReadIdleMs(2000) // Send a byte. sock.SendByte(96) // The tcpbin.com echo server only echoes after receiving an LF (linefeed char) sock.SendByte(10) // The echo server will echo back whatever is sent to it. // We should be able to read the same byte back.. // After successfully reading, the byte value is available in the ReceivedInt property. treatAsUnsignedInt := true success = sock.ReceiveByte(treatAsUnsignedInt) if success == false { fmt.Println(sock.LastErrorText()) sock.DisposeSocket() return } // Let's look at the value of the byte received. It should be 96. fmt.Println(sock.ReceivedInt()) // The echo server also echoed the LF back. success = sock.ReceiveByte(treatAsUnsignedInt) // Assuming success.. // Should be decimal 10. fmt.Println(sock.ReceivedInt()) sock.DisposeSocket() |
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