(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.

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#include <C_CkSFtp.h>

void ChilkatSample(void)
    {
    HCkSFtp sftp;
    BOOL success;
    const char *handle;

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

    sftp = CkSFtp_Create();

    // Pass a domain or IP address..
    success = CkSFtp_Connect(sftp,"my-sftp-server.com",22);
    if (success == TRUE) {
        success = CkSFtp_AuthenticatePw(sftp,"mySFtpLogin","mySFtpPassword");
    }

    if (success == TRUE) {
        success = CkSFtp_InitializeSftp(sftp);
    }

    if (success != TRUE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        return;
    }

    // Open a file on the server for writing.
    handle = CkSFtp_openFile(sftp,"myTest.txt","writeOnly","createTruncate");
    if (CkSFtp_getLastMethodSuccess(sftp) != TRUE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        return;
    }

    // Write some text to the file:
    success = CkSFtp_WriteFileText(sftp,handle,"ansi","abcdefghijklmnopqrstuvwxyz");
    if (success != TRUE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        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 = CkSFtp_Fsync(sftp,handle);
    if (success != TRUE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        return;
    }

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

    success = CkSFtp_WriteFileText(sftp,handle,"ansi","ABCDEFGHIJKLMNOPQRSTUVWXYZ");
    if (success != TRUE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        return;
    }

    // Close the file.
    success = CkSFtp_CloseHandle(sftp,handle);
    if (success != TRUE) {
        printf("%s\n",CkSFtp_lastErrorText(sftp));
        CkSFtp_Dispose(sftp);
        return;
    }

    printf("Success.\n");


    CkSFtp_Dispose(sftp);

    }