Unicode C

Send BinData Contents over a Socket

Demonstrates Socket.SendBd, which sends bytes from a BinData beginning at an offset. A numBytes of 0 sends from the offset through the end of the data.

Background. The BinData receive methods accumulate raw bytes in a BinData object. A single receive returns only what is currently available, whereas the counted receive waits for an exact number of bytes.

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Unicode C

#include <C_CkSocketW.h>
#include <C_CkBinDataW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkSocketW socket;
    BOOL bTls;
    int maxWaitMs;
    HCkBinDataW bd;

    success = FALSE;

    socket = CkSocketW_Create();

    //  Connect to the server using TLS.
    bTls = TRUE;
    maxWaitMs = 5000;
    success = CkSocketW_Connect(socket,L"example.com",5000,bTls,maxWaitMs);
    if (success == FALSE) {
        wprintf(L"%s\n",CkSocketW_lastErrorText(socket));
        CkSocketW_Dispose(socket);
        return;
    }

    //  Place some bytes into a BinData to be sent.
    bd = CkBinDataW_Create();
    CkBinDataW_AppendString(bd,L"message payload",L"utf-8");

    //  Send bytes from the BinData starting at the given offset.  A numBytes of 0 sends from the offset
    //  through the end of the data.
    success = CkSocketW_SendBd(socket,bd,0,0);
    if (success == FALSE) {
        wprintf(L"%s\n",CkSocketW_lastErrorText(socket));
        CkSocketW_Dispose(socket);
        CkBinDataW_Dispose(bd);
        return;
    }

    wprintf(L"Sent %d bytes.\n",CkBinDataW_getNumBytes(bd));


    CkSocketW_Dispose(socket);
    CkBinDataW_Dispose(bd);

    }