Unicode C++

SFTP Resume Download

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

#include <CkSFtpW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkSFtpW sftp;

    //  Set some timeouts, in milliseconds:
    sftp.put_ConnectTimeoutMs(5000);
    sftp.put_IdleTimeoutMs(10000);

    //  Connect to the SSH server.  
    //  The standard SSH port = 22
    //  The hostname may be a hostname or IP address.
    const wchar_t *hostname = L"sftp.example.com";
    int port = 22;
    success = sftp.Connect(hostname,port);
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        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 = sftp.AuthenticatePw(L"myLogin",L"myPassword");
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    //  After authenticating, the SFTP subsystem must be initialized:
    success = sftp.InitializeSftp();
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    //  Download the file:
    const wchar_t *remoteFilePath = 0;
    const wchar_t *localFilePath = 0;
    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 = sftp.ResumeDownloadFileByName(remoteFilePath,localFilePath);
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    wprintf(L"Success.\n");
    }