(Unicode C) SFTP Resume Download

Demonstrates how to resume an SFTP download from a previous partial download.

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#include <C_CkSFtpW.h>

void ChilkatSample(void)
    {
    HCkSFtpW sftp;
    const wchar_t *hostname;
    int port;
    BOOL success;
    const wchar_t *remoteFilePath;
    const wchar_t *localFilePath;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    sftp = CkSFtpW_Create();

    // Set some timeouts, in milliseconds:
    CkSFtpW_putConnectTimeoutMs(sftp,5000);
    CkSFtpW_putIdleTimeoutMs(sftp,10000);

    // Connect to the SSH server.  
    // The standard SSH port = 22
    // The hostname may be a hostname or IP address.
    hostname = L"sftp.example.com";
    port = 22;
    success = CkSFtpW_Connect(sftp,hostname,port);
    if (success != TRUE) {
        wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp));
        CkSFtpW_Dispose(sftp);
        return;
    }

    // Authenticate with the SSH server.  Chilkat SFTP supports
    // both password-based authenication as well as public-key
    // authentication.  This example uses password authenication.
    success = CkSFtpW_AuthenticatePw(sftp,L"myLogin",L"myPassword");
    if (success != TRUE) {
        wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp));
        CkSFtpW_Dispose(sftp);
        return;
    }

    // After authenticating, the SFTP subsystem must be initialized:
    success = CkSFtpW_InitializeSftp(sftp);
    if (success != TRUE) {
        wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp));
        CkSFtpW_Dispose(sftp);
        return;
    }

    // Download the file:

    localFilePath = L"c:/temp/hamlet.xml";
    remoteFilePath = L"subdir1/subdir2/hamlet.xml";
    // The ResumeDownloadFileByName method will check
    // the local file and begin downloading the remote file
    // at the appropriate point.  For example, if the local
    // file is already 215624 bytes long, it will begin downloading
    // the remote file at the 215625'th byte -- appending to
    // the local file.
    success = CkSFtpW_ResumeDownloadFileByName(sftp,remoteFilePath,localFilePath);
    if (success != TRUE) {
        wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp));
        CkSFtpW_Dispose(sftp);
        return;
    }

    wprintf(L"Success.\n");


    CkSFtpW_Dispose(sftp);

    }