(Unicode C++) SFTP Read Text File to String

Demonstrates how to download a text file from an SSH server directly into a string variable.

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#include <CkSFtpW.h>

void ChilkatSample(void)
    {
    // 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(15000);

    // 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;
    bool 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;
    }

    // Open a file on the server:
    const wchar_t *handle = 0;
    handle = sftp.openFile(L"hamlet.xml",L"readOnly",L"openExisting");
    if (sftp.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    // Get the total size of this file (in bytes)
    bool bFollowLinks = false;
    bool bIsHandle = true;
    int numBytes;

    // bFollowLinks is ignored because we are passing a handle
    // and not a remote filename.
    // There are alternative methods for handling file sizes
    // greater than 32-bit.  (See the reference documentation.)
    numBytes = sftp.GetFileSize32(handle,bFollowLinks,bIsHandle);
    if (numBytes < 0) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    // The charset indicates the character encoding of the text
    // file on the SSH server.   Setting the charset correctly
    // allows the Chilkat SFTP component to correctly interpret
    // the bytes that represent the characters.
    const wchar_t *charset = 0;
    charset = L"ansi";
    const wchar_t *fileContents = 0;
    fileContents = sftp.readFileText(handle,numBytes,charset);
    if (sftp.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }
    else {
        wprintf(L"Received file:\n");
        wprintf(L"%s\n",fileContents);
    }

    // Close the file.
    success = sftp.CloseHandle(handle);
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

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