Zig

SCP Sync Tree Download

See more SCP Examples

Synchronize local and remote directory trees by downloading newer or missing files from the remote server. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

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

    const ssh = try chilkat.Ssh.init();
    defer ssh.deinit();

    // Connect to an SSH server:

    // Hostname may be an IP address or hostname:
    const hostname = "www.some-ssh-server.com";
    const port = 22;

    ssh.connect(hostname, port) catch {
        std.debug.print("{s}\n", .{try ssh.getLastErrorText(alloc)});
        return;
    };

    // Wait a max of 5 seconds when reading responses..
    ssh.setIdleTimeoutMs(5000);

    // Authenticate using login/password:
    ssh.authenticatePw("myLogin", "myPassword") catch {
        std.debug.print("{s}\n", .{try ssh.getLastErrorText(alloc)});
        return;
    };

    // Once the SSH object is connected and authenticated, we use it
    // in our SCP object.
    const scp = try chilkat.Scp.init();
    defer scp.deinit();

    scp.useSsh(ssh) catch {
        std.debug.print("{s}\n", .{try scp.getLastErrorText(alloc)});
        return;
    };

    const remote_root = "workspace/php";
    const local_root = "c:/aaworkarea/scp/workspace/php";

    // Download synchronization modes:
    // mode=0: Download all files
    // mode=1: Download all files that do not exist on the local filesystem.
    // mode=2: Download newer or non-existant files.
    // mode=3: Download only newer files.
    //         If a file does not already exist on the local filesystem, it is not downloaded from the server.
    // mode=5: Download only missing files or files with size differences.
    // mode=6: Same as mode 5, but also download newer files.
    const mode = 2;

    // Sync the entire tree by using recursion.
    const b_recurse = true;

    scp.syncTreeDownload(remote_root, local_root, mode, b_recurse) catch {
        std.debug.print("{s}\n", .{try scp.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("SCP sync download success.\n", .{});

    // Disconnect
    ssh.disconnect();
}