1 #include "osrf_stack.h"
3 osrf_message* _do_client( osrf_app_session*, osrf_message* );
4 osrf_message* _do_server( osrf_app_session*, osrf_message* );
6 /* tell osrf_app_session where the stack entry is */
7 int (*osrf_stack_entry_point) (transport_client*, int) = &osrf_stack_process;
9 int osrf_stack_process( transport_client* client, int timeout ) {
10 transport_message* msg = client_recv( client, timeout );
11 if(msg == NULL) return 0;
12 debug_handler( "Received message from transport code from %s", msg->sender );
13 int status = osrf_stack_transport_handler( msg, NULL );
16 transport_message* m = client_recv( client, 0 );
18 debug_handler( "Received additional message from transport code");
19 status = osrf_stack_transport_handler( m, NULL );
21 debug_handler( "osrf_stack_process returning with only 1 received message" );
31 // -----------------------------------------------------------------------------
32 // Entry point into the stack
33 // -----------------------------------------------------------------------------
34 int osrf_stack_transport_handler( transport_message* msg, char* my_service ) {
36 debug_handler( "Transport handler received new message \nfrom %s "
37 "to %s with body \n\n%s\n", msg->sender, msg->recipient, msg->body );
39 if(! msg->thread && ! msg->is_error ) {
40 warning_handler("Received a non-error message with no thread trace... dropping");
44 osrf_app_session* session = osrf_app_session_find_session( msg->thread );
46 if( session == NULL ) { /* we must be a server, build a new session */
47 info_handler( "Received message for nonexistant session. Dropping..." );
48 //osrf_app_server_session_init( msg->thread, my_service, msg->sender);
53 //debug_handler("Session [%s] found, building message", msg->thread );
55 osrf_app_session_set_remote( session, msg->sender );
56 osrf_message* arr[OSRF_MAX_MSGS_PER_PACKET];
57 memset(arr, 0, OSRF_MAX_MSGS_PER_PACKET );
58 int num_msgs = osrf_message_deserialize(msg->body, arr, OSRF_MAX_MSGS_PER_PACKET);
60 debug_handler( "We received %d messages from %s", num_msgs, msg->sender );
62 /* XXX ERROR CHECKING, BAD JSON, ETC... */
64 for( i = 0; i != num_msgs; i++ ) {
66 /* if we've received a jabber layer error message (probably talking to
67 someone who no longer exists) and we're not talking to the original
68 remote id for this server, consider it a redirect and pass it up */
70 warning_handler( " !!! Received Jabber layer error message" );
72 if(strcmp(session->remote_id,session->orig_remote_id)) {
73 warning_handler( "Treating jabber error as redirect for tt [%d] "
74 "and session [%s]", arr[i]->thread_trace, session->session_id );
76 arr[i]->m_type = STATUS;
77 arr[i]->status_code = OSRF_STATUS_REDIRECTED;
80 warning_handler(" * Jabber Error is for top level remote id [%s], no one "
81 "to send my message too!!!", session->remote_id );
85 osrf_stack_message_handler( session, arr[i] );
89 debug_handler("after msg delete");
94 int osrf_stack_message_handler( osrf_app_session* session, osrf_message* msg ) {
95 if(session == NULL || msg == NULL)
98 osrf_message* ret_msg = NULL;
99 if( session->type == OSRF_SESSION_CLIENT )
100 ret_msg = _do_client( session, msg );
102 ret_msg= _do_server( session, msg );
105 osrf_stack_application_handler( session, ret_msg );
107 osrf_message_free(msg);
113 /** If we return a message, that message should be passed up the stack,
114 * if we return NULL, we're finished for now...
116 osrf_message* _do_client( osrf_app_session* session, osrf_message* msg ) {
117 if(session == NULL || msg == NULL)
120 osrf_message* new_msg;
122 if( msg->m_type == STATUS ) {
124 switch( msg->status_code ) {
127 debug_handler("We connected successfully");
128 session->state = OSRF_SESSION_CONNECTED;
129 debug_handler( "State: %x => %s => %d", session, session->session_id, session->state );
132 case OSRF_STATUS_COMPLETE:
133 osrf_app_session_set_complete( session, msg->thread_trace );
136 case OSRF_STATUS_CONTINUE:
137 osrf_app_session_request_reset_timeout( session, msg->thread_trace );
140 case OSRF_STATUS_REDIRECTED:
141 osrf_app_session_reset_remote( session );
142 session->state = OSRF_SESSION_DISCONNECTED;
143 osrf_app_session_request_resend( session, msg->thread_trace );
146 case OSRF_STATUS_EXPFAILED:
147 osrf_app_session_reset_remote( session );
148 session->state = OSRF_SESSION_DISCONNECTED;
149 osrf_app_session_request_resend( session, msg->thread_trace );
152 case OSRF_STATUS_TIMEOUT:
153 osrf_app_session_reset_remote( session );
154 session->state = OSRF_SESSION_DISCONNECTED;
155 osrf_app_session_request_resend( session, msg->thread_trace );
160 new_msg = osrf_message_init( RESULT, msg->thread_trace, msg->protocol );
161 osrf_message_set_status_info( new_msg,
162 msg->status_name, msg->status_text, msg->status_code );
163 warning_handler("The stack doesn't know what to do with "
164 "the provided message code: %d, name %s. Passing UP.",
165 msg->status_code, msg->status_name );
166 new_msg->is_exception = 1;
167 osrf_app_session_set_complete( session, msg->thread_trace );
168 osrf_message_free(msg);
174 } else if( msg->m_type == RESULT )
182 /** If we return a message, that message should be passed up the stack,
183 * if we return NULL, we're finished for now...
185 osrf_message* _do_server( osrf_app_session* session, osrf_message* msg ) {
186 if(session == NULL || msg == NULL)
189 if( msg->m_type == STATUS ) { return NULL; }
191 warning_handler( "We dont' do servers yet !!" );
199 int osrf_stack_application_handler( osrf_app_session* session, osrf_message* msg ) {
200 if(session == NULL || msg == NULL)
203 if(msg->m_type == RESULT) {
204 osrf_app_session_push_queue( session, msg );
208 warning_handler( "application_handler can't handle whatever you sent, type %d", msg->m_type);