Receive Text up to a Match into a StringBuilder

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveUntilMatchSb, which receives bytes until an exact byte sequence is found and appends the received text to a StringBuilder.

#include <C_CkSocketW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkSocketW socket;
    BOOL bTls;
    int maxWaitMs;
    const wchar_t *command;
    HCkStringBuilderW sb;
    const wchar_t *response;

    success = FALSE;

    socket = CkSocketW_Create();

    //  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.
    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;
    }

    //  StringCharset controls the character encoding used when sending and receiving text.
    CkSocketW_putStringCharset(socket,L"utf-8");
    //  Send a request using a simple application-defined text protocol in which each message ends with a
    //  CRLF.
    command = L"STATUS\r\n";
    success = CkSocketW_SendString(socket,command);
    if (success == FALSE) {
        wprintf(L"%s\n",CkSocketW_lastErrorText(socket));
        CkSocketW_Dispose(socket);
        return;
    }

    //  Receive bytes until an exact byte sequence is found, appending the received text to a
    //  StringBuilder.  The match may span multiple underlying network reads.
    sb = CkStringBuilderW_Create();
    success = CkSocketW_ReceiveUntilMatchSb(socket,L"<EOM>",sb);
    if (success == FALSE) {
        wprintf(L"%s\n",CkSocketW_lastErrorText(socket));
        CkSocketW_Dispose(socket);
        CkStringBuilderW_Dispose(sb);
        return;
    }

    response = CkStringBuilderW_getAsString(sb);
    if (CkStringBuilderW_getLastMethodSuccess(sb) == FALSE) {
        wprintf(L"%s\n",CkStringBuilderW_lastErrorText(sb));
        CkSocketW_Dispose(socket);
        CkStringBuilderW_Dispose(sb);
        return;
    }

    wprintf(L"%s\n",response);


    CkSocketW_Dispose(socket);
    CkStringBuilderW_Dispose(sb);

    }