server_main.c

/*****************************************************************************
 *                                                                           *
 * Copyright (c) 2006-2016 Unified Automation GmbH. All rights reserved.     *
 *                                                                           *
 * Software License Agreement ("SLA") Version 2.6                            *
 *                                                                           *
 * Unless explicitly acquired and licensed from Licensor under another       *
 * license, the contents of this file are subject to the Software License    *
 * Agreement ("SLA") Version 2.6, or subsequent versions as allowed by the   *
 * SLA, and You may not copy or use this file in either source code or       *
 * executable form, except in compliance with the terms and conditions of    *
 * the SLA.                                                                  *
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 * IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,       *
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 * The complete license agreement can be found here:                         *
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 *****************************************************************************/


#include <stdio.h>
#include <uaapplication/application.h>
#include <uaserver/init.h>
#include <trace/trace.h>
#include <appconfig.h>
#include <uaprovider/server/uaprovider_server.h>
#include <platform/hostname.h>
#include <platform/shutdown.h>
#include <crashhandler/crashhandler.h>
#include <memory/memory_layout.h>
#include <memory/memory.h>
#include "custom_provider.h"
#include "../args.h"

struct uaapplication g_app;
struct appconfig g_appconfig;

static struct uaserver_provider g_provider[] = {
    {-1, uaprovider_server_init},
    {-1, custom_provider_init}
};
int server_main_clear(void)
{
    uaserver_stop();
    uaserver_clear(g_provider, countof(g_provider));
    uaapplication_cleanup(&g_app);
    return 0;
}

int server_main_init(int trace_level, int facility_mask, const char *config_file)
{
    int ret;
    unsigned int i;
    static char fqdn[64];
    struct ua_string tmp;

    ua_get_fqdn(fqdn, sizeof(fqdn));

    g_appconfig.manufacturer_name = "Unified Automation GmbH";
    g_appconfig.product_name      = "UaSDK High Performance - Lesson04";
    g_appconfig.product_uri       = "urn:UnifiedAutomation:UaSdkHP:Lesson04";
    g_appconfig.application_name  = "UaSDK High Performance - Lesson04";
    g_appconfig.application_uri   = "urn:UnifiedAutomation:HPC:Example";
    g_appconfig.dns               = fqdn;
    ret = uaapplication_init(&g_app, trace_level, facility_mask, config_file);
    if (ret != 0) {
        TRACE_ERROR(TRACE_FAC_APPLICATION, "uaapplication_init failed.\n");
        goto out_init;
    }
    /* replace [hostname] place holder in endpoint urls with fqdn */
    for (i = 0; i < g_appconfig.endpoint.num_endpoints; ++i) {
        ua_string_set(&tmp, g_appconfig.endpoint.endpoints[i].endpoint_url);
        if (ua_string_index_of(&tmp, "[hostname]") != -1) {
            ua_string_replace(&tmp, "[hostname]", fqdn);
            /* free old endpoint url */
            ua_free((void *)g_appconfig.endpoint.endpoints[i].endpoint_url);
            /* set new one */
            g_appconfig.endpoint.endpoints[i].endpoint_url = ua_strdup(ua_string_const_data(&tmp));
        }
        ua_string_clear(&tmp);
    }

    TRACE_INFO(TRACE_FAC_APPLICATION, "Initializing providers...\n");
    ret = uaserver_init(g_provider, countof(g_provider));
    if (ret < 0) goto out_server_init;
    TRACE_INFO(TRACE_FAC_APPLICATION, "Starting server...\n");
    ret = uaserver_start();
    if (ret < 0) goto out_server_start;
    return 0;

out_server_start:
    uaserver_clear(g_provider, countof(g_provider));
out_server_init:
    uaapplication_cleanup(&g_app);
out_init:
    return ret;
}

int main(int argc, char *argv[])
{
    int ret;
    unsigned int i;
    struct commandline_args args;

    parse_commandline(argc, argv, &args);

    ret = server_main_init(args.trace_level, args.facility_mask, args.config_file);
    if (ret != 0) {
        printf("server_main_init() failed with error 0x%08x\n", ret);
        exit(EXIT_FAILURE);
    }

    printf("Server is up and running.\n");
    for (i = 0; i < g_appconfig.endpoint.num_endpoints; ++i) {
        printf("Listening on %s\n", g_appconfig.endpoint.endpoints[i].endpoint_url);
    }

    while (ua_shutdown_should_shutdown() == 0) {
        uaapplication_timed_docom(&g_app, 1000);
    }
    TRACE_NOTICE(TRACE_FAC_APPLICATION, "Shutting down server...\n");

    server_main_clear();

    return 0;
}