/*
 * Copyright 2015, Axel Dörfler, axeld@pinc-software.de.
 * Distributed under the terms of the MIT License.
 */


#include <launch.h>

#include <TokenSpace.h>
#include <util/KMessage.h>


static port_id sLaunchDaemonPort = -1;


port_id
BPrivate::get_launch_daemon_port()
{
        if (sLaunchDaemonPort < 0) {
                sLaunchDaemonPort = find_port(B_LAUNCH_DAEMON_PORT_NAME);

                port_info info;
                if (get_port_info(sLaunchDaemonPort, &info) == B_OK
                        && info.team == find_thread(NULL)) {
                        // Make sure that the launch_daemon doesn't wait on itself
                        sLaunchDaemonPort = -1;
                        return -1;
                }
        }

        return sLaunchDaemonPort;
}


status_t
BPrivate::send_request_to_launch_daemon(KMessage& request, KMessage& reply)
{
        status_t status = request.SendTo(get_launch_daemon_port(),
                B_PREFERRED_TOKEN, &reply);
        if (status != B_OK)
                return status;

        return (status_t)reply.What();
}


status_t
BPrivate::get_launch_data(const char* signature, KMessage& data)
{
        BPrivate::KMessage request(B_GET_LAUNCH_DATA);
        request.AddString("name", signature);

        return BPrivate::send_request_to_launch_daemon(request, data);
}