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C++

Receive Text up to a Delimiter Byte

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveStringUntilByte, which receives bytes until a specific raw byte value is found, then decodes the preceding bytes using StringCharset. The delimiter is excluded from the returned string.

Background. The delimiter search is purely byte-oriented and does not recognize character boundaries. A common delimiter is the linefeed byte (decimal 10).

Chilkat C++ Downloads

C++
#include <CkSocket.h>

void ChilkatSample(void)
    {
    bool success = false;

    CkSocket socket;

    //  Connect to the server using TLS.  The 3rd argument enables the TLS handshake after the TCP
    //  connection succeeds; the 4th is the maximum time to wait, in milliseconds.
    bool bTls = true;
    int maxWaitMs = 5000;
    success = socket.Connect("example.com",5000,bTls,maxWaitMs);
    if (success == false) {
        std::cout << socket.lastErrorText() << "\r\n";
        return;
    }

    //  StringCharset controls the character encoding used when sending and receiving text.
    socket.put_StringCharset("utf-8");
    //  Send a request using a simple application-defined text protocol in which each message ends with a
    //  CRLF.
    const char *command = "STATUS\r\n";
    success = socket.SendString(command);
    if (success == false) {
        std::cout << socket.lastErrorText() << "\r\n";
        return;
    }

    //  Receive bytes until a specific raw byte value is found, then decode the preceding bytes using
    //  StringCharset.  The delimiter itself is excluded from the returned string.  Here the delimiter is
    //  the linefeed byte (decimal 10).
    const char *line = socket.receiveStringUntilByte(10);
    if (socket.get_LastMethodSuccess() == false) {
        std::cout << socket.lastErrorText() << "\r\n";
        return;
    }

    std::cout << line << "\r\n";
    }