1 #include "osrf_system.h"
3 #include "osrf_application.h"
4 #include "osrf_prefork.h"
6 void __osrfSystemSignalHandler( int sig );
8 transport_client* __osrfGlobalTransportClient = NULL;
10 transport_client* osrfSystemGetTransportClient() {
11 return __osrfGlobalTransportClient;
14 void osrfSystemIgnoreTransportClient() {
15 __osrfGlobalTransportClient = NULL;
18 transport_client* osrf_system_get_transport_client() {
19 return __osrfGlobalTransportClient;
22 int osrf_system_bootstrap_client( char* config_file, char* contextnode ) {
23 return osrf_system_bootstrap_client_resc(config_file, contextnode, NULL);
26 int osrfSystemBootstrapClientResc( char* config_file, char* contextnode, char* resource ) {
27 return osrf_system_bootstrap_client_resc( config_file, contextnode, resource );
31 int _osrfSystemInitCache() {
33 jsonObject* cacheServers = osrf_settings_host_value_object("/cache/global/servers/server");
34 char* maxCache = osrf_settings_host_value("/cache/global/max_cache_time");
36 if( cacheServers && maxCache) {
38 if( cacheServers->type == JSON_ARRAY ) {
40 char* servers[cacheServers->size];
41 for( i = 0; i != cacheServers->size; i++ ) {
42 servers[i] = jsonObjectGetString( jsonObjectGetIndex(cacheServers, i) );
43 osrfLogInfo( OSRF_LOG_MARK, "Adding cache server %s", servers[i]);
45 osrfCacheInit( servers, cacheServers->size, atoi(maxCache) );
48 char* servers[] = { jsonObjectGetString(cacheServers) };
49 osrfLogInfo( OSRF_LOG_MARK, "Adding cache server %s", servers[0]);
50 osrfCacheInit( servers, 1, atoi(maxCache) );
54 osrfLogError( OSRF_LOG_MARK, "Missing config value for /cache/global/servers/server _or_ "
55 "/cache/global/max_cache_time");
62 int osrfSystemBootstrap( char* hostname, char* configfile, char* contextNode ) {
63 if( !(hostname && configfile && contextNode) ) return -1;
65 /* first we grab the settings */
66 if(!osrfSystemBootstrapClientResc(configfile, contextNode, "settings_grabber" )) {
67 osrfLogError( OSRF_LOG_MARK, "Unable to bootstrap");
71 osrf_settings_retrieve(hostname);
72 osrf_system_disconnect_client();
74 jsonObject* apps = osrf_settings_host_value_object("/activeapps/appname");
75 osrfStringArray* arr = osrfNewStringArray(8);
77 _osrfSystemInitCache();
82 if(apps->type == JSON_STRING) {
83 osrfStringArrayAdd(arr, jsonObjectGetString(apps));
87 while( (app = jsonObjectGetIndex(apps, i++)) )
88 osrfStringArrayAdd(arr, jsonObjectGetString(app));
93 while( (appname = osrfStringArrayGetString(arr, i++)) ) {
95 char* lang = osrf_settings_host_value("/apps/%s/language", appname);
97 if(lang && !strcasecmp(lang,"c")) {
99 char* libfile = osrf_settings_host_value("/apps/%s/implementation", appname);
101 if(! (appname && libfile) ) {
102 osrfLogWarning( OSRF_LOG_MARK, "Missing appname / libfile in settings config");
106 osrfLogInfo( OSRF_LOG_MARK, "Launching application %s with implementation %s", appname, libfile);
110 if( (pid = fork()) ) {
111 // storage pid in local table for re-launching dead children...
112 osrfLogInfo( OSRF_LOG_MARK, "Launched application child %d", pid);
116 fprintf(stderr, " * Running application %s\n", appname);
117 if( osrfAppRegisterApplication( appname, libfile ) == 0 )
118 osrf_prefork_run(appname);
120 osrfLogDebug( OSRF_LOG_MARK, "Server exiting for app %s and library %s", appname, libfile );
129 /* background and let our children do their thing */
132 signal(SIGCHLD, __osrfSystemSignalHandler);
139 int osrf_system_bootstrap_client_resc( char* config_file, char* contextnode, char* resource ) {
141 if(osrfSystemGetTransportClient()) {
142 osrfLogInfo(OSRF_LOG_MARK, "Client is already bootstrapped");
143 return 1; /* we already have a client connection */
146 if( !( config_file && contextnode ) && ! osrfConfigHasDefaultConfig() ) {
147 osrfLogError( OSRF_LOG_MARK, "No Config File Specified\n" );
153 osrfConfig* cfg = osrfConfigInit( config_file, contextnode );
154 osrfConfigSetDefaultConfig(cfg);
158 char* log_file = osrfConfigGetValue( NULL, "/logfile");
159 char* log_level = osrfConfigGetValue( NULL, "/loglevel" );
160 osrfStringArray* arr = osrfNewStringArray(8);
161 osrfConfigGetValueList(NULL, arr, "/domains/domain");
162 char* username = osrfConfigGetValue( NULL, "/username" );
163 char* password = osrfConfigGetValue( NULL, "/passwd" );
164 char* port = osrfConfigGetValue( NULL, "/port" );
165 char* unixpath = osrfConfigGetValue( NULL, "/unixpath" );
166 char* facility = osrfConfigGetValue( NULL, "/syslog" );
167 char* actlog = osrfConfigGetValue( NULL, "/actlog" );
169 char* domain = strdup(osrfStringArrayGetString( arr, 0 )); /* just the first for now */
170 osrfStringArrayFree(arr);
175 if(port) iport = atoi(port);
176 if(log_level) llevel = atoi(log_level);
178 if(!log_file) { fprintf(stderr, "Log file needed\n"); return -1; }
180 if(!strcmp(log_file, "syslog")) {
181 osrfLogInit( OSRF_LOG_TYPE_SYSLOG, contextnode, llevel );
182 osrfLogSetSyslogFacility(osrfLogFacilityToInt(facility));
183 if(actlog) osrfLogSetSyslogActFacility(osrfLogFacilityToInt(actlog));
186 osrfLogInit( OSRF_LOG_TYPE_FILE, contextnode, llevel );
187 osrfLogSetFile( log_file );
190 osrfLogInfo( OSRF_LOG_MARK, "Bootstrapping system with domain %s, port %d, and unixpath %s", domain, iport, unixpath );
192 transport_client* client = client_init( domain, iport, unixpath, 0 );
195 host = getenv("HOSTNAME");
198 memset(tbuf, 0x0, 32);
199 snprintf(tbuf, 32, "%lf", get_timestamp_millis());
202 if(!resource) resource = "";
204 int len = strlen(resource) + 256;
207 snprintf(buf, len - 1, "%s_%s_%s_%d", resource, host, tbuf, getpid() );
209 if(client_connect( client, username, password, buf, 10, AUTH_DIGEST )) {
210 /* child nodes will leak the parents client... but we can't free
211 it without disconnecting the parents client :( */
212 __osrfGlobalTransportClient = client;
225 if(__osrfGlobalTransportClient)
231 int osrf_system_disconnect_client() {
232 client_disconnect( __osrfGlobalTransportClient );
233 client_free( __osrfGlobalTransportClient );
234 __osrfGlobalTransportClient = NULL;
238 int osrf_system_shutdown() {
240 osrf_system_disconnect_client();
241 osrf_settings_free_host_config(NULL);
242 osrfAppSessionCleanup();
250 void __osrfSystemSignalHandler( int sig ) {
255 while( (pid = waitpid(-1, &status, WNOHANG)) > 0) {
256 osrfLogWarning( OSRF_LOG_MARK, "We lost child %d", pid);
259 /** relaunch the server **/