(Unicode C++) SFTP Fsync -- Flush an Open File on the Server

Demonstrates how to flush the contents of an open file on the server. This example only works for servers that implement the fsync@openssh.com extension.

Note: This example requires Chilkat v9.5.0.71 or later.

Chilkat C/C++ Library Downloads
MS Visual C/C++ Linux/CentOS C/C++ Alpine Linux C/C++ MAC OS X C/C++	armhf/aarch64 C/C++ C++ Builder iOS C/C++ Android C/C++	Solaris C/C++ MinGW C/C++

#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;

    // Pass a domain or IP address..
    bool success = sftp.Connect(L"my-sftp-server.com",22);
    if (success == true) {
        success = sftp.AuthenticatePw(L"mySFtpLogin",L"mySFtpPassword");
    }

    if (success == true) {
        success = sftp.InitializeSftp();
    }

    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    // Open a file on the server for writing.
    const wchar_t *handle = sftp.openFile(L"myTest.txt",L"writeOnly",L"createTruncate");
    if (sftp.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    // Write some text to the file:
    success = sftp.WriteFileText(handle,L"ansi",L"abcdefghijklmnopqrstuvwxyz");
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    // Make sure the server flushes what we wrote to the disk..
    // (this is requires a server that implements the fsync@openssh.com SFTP protocol extension)
    success = sftp.Fsync(handle);
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    // ....
    // ....

    success = sftp.WriteFileText(handle,L"ansi",L"ABCDEFGHIJKLMNOPQRSTUVWXYZ");
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

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

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