1 #include "osrf_stack.h"
2 #include "osrf_application.h"
4 osrf_message* _do_client( osrf_app_session*, osrf_message* );
5 osrf_message* _do_server( osrf_app_session*, osrf_message* );
7 /* tell osrf_app_session where the stack entry is */
8 int (*osrf_stack_entry_point) (transport_client*, int) = &osrf_stack_process;
10 int osrf_stack_process( transport_client* client, int timeout ) {
11 if( !client ) return -1;
12 transport_message* msg = NULL;
14 while( (msg = client_recv( client, timeout )) ) {
15 osrfLogDebug( OSRF_LOG_MARK, "Received message from transport code from %s", msg->sender );
16 osrf_stack_transport_handler( msg, NULL );
21 osrfLogWarning(OSRF_LOG_MARK, "transport_client had trouble reading from the socket..");
25 if( ! client_connected( client ) ) return -1;
32 // -----------------------------------------------------------------------------
33 // Entry point into the stack
34 // -----------------------------------------------------------------------------
35 osrfAppSession* osrf_stack_transport_handler( transport_message* msg, char* my_service ) {
39 osrfLogDebug( OSRF_LOG_MARK, "Transport handler received new message \nfrom %s "
40 "to %s with body \n\n%s\n", msg->sender, msg->recipient, msg->body );
42 if( msg->is_error && ! msg->thread ) {
43 osrfLogWarning( OSRF_LOG_MARK, "!! Received jabber layer error for %s ... exiting\n", msg->sender );
48 if(! msg->thread && ! msg->is_error ) {
49 osrfLogWarning( OSRF_LOG_MARK, "Received a non-error message with no thread trace... dropping");
54 osrf_app_session* session = osrf_app_session_find_session( msg->thread );
56 if( !session && my_service )
57 session = osrf_app_server_session_init( msg->thread, my_service, msg->sender);
59 if( !session ) return NULL;
62 osrfLogDebug( OSRF_LOG_MARK, "Session [%s] found or built", session->session_id );
64 osrf_app_session_set_remote( session, msg->sender );
65 osrf_message* arr[OSRF_MAX_MSGS_PER_PACKET];
66 memset(arr, 0, OSRF_MAX_MSGS_PER_PACKET );
67 int num_msgs = osrf_message_deserialize(msg->body, arr, OSRF_MAX_MSGS_PER_PACKET);
69 osrfLogDebug( OSRF_LOG_MARK, "We received %d messages from %s", num_msgs, msg->sender );
71 double starttime = get_timestamp_millis();
74 for( i = 0; i != num_msgs; i++ ) {
76 /* if we've received a jabber layer error message (probably talking to
77 someone who no longer exists) and we're not talking to the original
78 remote id for this server, consider it a redirect and pass it up */
80 osrfLogWarning( OSRF_LOG_MARK, " !!! Received Jabber layer error message" );
82 if(strcmp(session->remote_id,session->orig_remote_id)) {
83 osrfLogWarning( OSRF_LOG_MARK, "Treating jabber error as redirect for tt [%d] "
84 "and session [%s]", arr[i]->thread_trace, session->session_id );
86 arr[i]->m_type = STATUS;
87 arr[i]->status_code = OSRF_STATUS_REDIRECTED;
90 osrfLogWarning( OSRF_LOG_MARK, " * Jabber Error is for top level remote id [%s], no one "
91 "to send my message too!!!", session->remote_id );
95 osrf_stack_message_handler( session, arr[i] );
98 double duration = get_timestamp_millis() - starttime;
99 osrfLogInfo(OSRF_LOG_MARK, "Message processing duration %lf", duration);
102 osrfLogDebug( OSRF_LOG_MARK, "after msg delete");
107 int osrf_stack_message_handler( osrf_app_session* session, osrf_message* msg ) {
108 if(session == NULL || msg == NULL)
111 osrf_message* ret_msg = NULL;
113 if( session->type == OSRF_SESSION_CLIENT )
114 ret_msg = _do_client( session, msg );
116 ret_msg= _do_server( session, msg );
119 osrfLogDebug( OSRF_LOG_MARK, "passing message %d / session %s to app handler",
120 msg->thread_trace, session->session_id );
121 osrf_stack_application_handler( session, ret_msg );
123 osrf_message_free(msg);
129 /** If we return a message, that message should be passed up the stack,
130 * if we return NULL, we're finished for now...
132 osrf_message* _do_client( osrf_app_session* session, osrf_message* msg ) {
133 if(session == NULL || msg == NULL)
136 osrf_message* new_msg;
138 if( msg->m_type == STATUS ) {
140 switch( msg->status_code ) {
143 osrfLogDebug( OSRF_LOG_MARK, "We connected successfully");
144 session->state = OSRF_SESSION_CONNECTED;
145 osrfLogDebug( OSRF_LOG_MARK, "State: %x => %s => %d", session, session->session_id, session->state );
148 case OSRF_STATUS_COMPLETE:
149 osrf_app_session_set_complete( session, msg->thread_trace );
152 case OSRF_STATUS_CONTINUE:
153 osrf_app_session_request_reset_timeout( session, msg->thread_trace );
156 case OSRF_STATUS_REDIRECTED:
157 osrf_app_session_reset_remote( session );
158 session->state = OSRF_SESSION_DISCONNECTED;
159 osrf_app_session_request_resend( session, msg->thread_trace );
162 case OSRF_STATUS_EXPFAILED:
163 osrf_app_session_reset_remote( session );
164 session->state = OSRF_SESSION_DISCONNECTED;
165 /* set the session to 'stateful' then resend */
166 // osrf_app_session_request_resend( session, msg->thread_trace );
169 case OSRF_STATUS_TIMEOUT:
170 osrf_app_session_reset_remote( session );
171 session->state = OSRF_SESSION_DISCONNECTED;
172 osrf_app_session_request_resend( session, msg->thread_trace );
177 new_msg = osrf_message_init( RESULT, msg->thread_trace, msg->protocol );
178 osrf_message_set_status_info( new_msg,
179 msg->status_name, msg->status_text, msg->status_code );
180 osrfLogWarning( OSRF_LOG_MARK, "The stack doesn't know what to do with "
181 "the provided message code: %d, name %s. Passing UP.",
182 msg->status_code, msg->status_name );
183 new_msg->is_exception = 1;
184 osrf_app_session_set_complete( session, msg->thread_trace );
185 osrf_message_free(msg);
191 } else if( msg->m_type == RESULT )
199 /** If we return a message, that message should be passed up the stack,
200 * if we return NULL, we're finished for now...
202 osrf_message* _do_server( osrf_app_session* session, osrf_message* msg ) {
204 if(session == NULL || msg == NULL) return NULL;
206 osrfLogDebug( OSRF_LOG_MARK, "Server received message of type %d", msg->m_type );
208 switch( msg->m_type ) {
214 /* session will be freed by the forker */
215 osrfLogDebug(OSRF_LOG_MARK, "Client sent explicit disconnect");
216 session->state = OSRF_SESSION_DISCONNECTED;
220 osrfAppSessionStatus( session, OSRF_STATUS_OK,
221 "osrfConnectStatus", msg->thread_trace, "Connection Successful" );
222 session->state = OSRF_SESSION_CONNECTED;
227 osrfLogDebug( OSRF_LOG_MARK, "server passing message %d to application handler "
228 "for session %s", msg->thread_trace, session->session_id );
232 osrfLogWarning( OSRF_LOG_MARK, "Server cannot handle message of type %d", msg->m_type );
233 session->state = OSRF_SESSION_DISCONNECTED;
242 int osrf_stack_application_handler( osrf_app_session* session, osrf_message* msg ) {
244 if(session == NULL || msg == NULL) return 0;
246 if(msg->m_type == RESULT && session->type == OSRF_SESSION_CLIENT) {
247 osrf_app_session_push_queue( session, msg );
251 if(msg->m_type != REQUEST) return 1;
253 char* method = msg->method_name;
254 char* app = session->remote_service;
255 jsonObject* params = msg->_params;
257 osrfAppRunMethod( app, method, session, msg->thread_trace, params );
259 osrfMessageFree(msg);