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 int osrf_stack_process( transport_client* client, int timeout ) {
7 transport_message* msg = client_recv( client, timeout );
8 if(msg == NULL) return 0;
9 debug_handler( "Received message from transport code from %s", msg->sender );
10 int status = osrf_stack_transport_handler( msg );
12 /* see if there are multiple message to be received */
14 transport_message* m = client_recv( client, 0 );
16 debug_handler( "Received additional message from transport code");
17 status = osrf_stack_transport_handler( m );
19 debug_handler( "osrf_stack_process returning with only 1 received message" );
29 // -----------------------------------------------------------------------------
30 // Entry point into the stack
31 // -----------------------------------------------------------------------------
32 int osrf_stack_transport_handler( transport_message* msg ) {
34 debug_handler( "Transport handler received new message \nfrom %s "
35 "to %s with body \n\n%s\n", msg->sender, msg->recipient, msg->body );
37 osrf_app_session* session = osrf_app_session_find_session( msg->thread );
39 if( session == NULL ) { /* we must be a server, build a new session */
40 info_handler( "Received message for nonexistant session. Dropping..." );
45 debug_handler("Session [%s] found, building message", msg->thread );
47 osrf_app_session_set_remote( session, msg->sender );
48 osrf_message* arr[OSRF_MAX_MSGS_PER_PACKET];
49 memset(arr, 0, OSRF_MAX_MSGS_PER_PACKET );
50 int num_msgs = osrf_message_from_xml( msg->body, arr );
52 debug_handler( "We received %d messages from %s", num_msgs, msg->sender );
54 /* XXX ERROR CHECKING, BAD XML, ETC... */
56 for( i = 0; i != num_msgs; i++ ) {
59 /* if we've received a jabber layer error message (probably talking to
60 someone who no longer exists) and we're not talking to the original
61 remote id for this server, consider it a redirect and pass it up */
63 warning_handler( "Received Jabber layer error message" );
65 if(strcmp(session->remote_id,session->orig_remote_id)) {
66 warning_handler( "Treating jabber error as redirect for tt [%d] "
67 "and session [%s]", arr[i]->thread_trace, session->session_id );
69 arr[i]->m_type = STATUS;
70 arr[i]->status_code = OSRF_STATUS_REDIRECTED;
73 warning_handler(" * Jabber Error is for top level remote id [%s], no one "
74 "to send my message too!!!", session->remote_id );
78 osrf_stack_message_handler( session, arr[i] );
79 debug_handler("transport layer: message_handler returned, do we have more?");
82 debug_handler("transport layer: no more messages to process in this batch");
84 debug_handler("after msg delete");
89 int osrf_stack_message_handler( osrf_app_session* session, osrf_message* msg ) {
90 if(session == NULL || msg == NULL)
93 osrf_message* ret_msg = NULL;
94 if( session->type == OSRF_SESSION_CLIENT )
95 ret_msg = _do_client( session, msg );
97 ret_msg= _do_server( session, msg );
100 osrf_stack_application_handler( session, ret_msg );
102 osrf_message_free(msg);
108 /** If we return a message, that message should be passed up the stack,
109 * if we return NULL, we're finished for now...
111 osrf_message* _do_client( osrf_app_session* session, osrf_message* msg ) {
112 if(session == NULL || msg == NULL)
115 osrf_message* new_msg;
117 if( msg->m_type == STATUS ) {
119 switch( msg->status_code ) {
122 debug_handler("We connected successfully");
123 session->state = OSRF_SESSION_CONNECTED;
124 debug_handler( "State: %x => %s => %d", session, session->session_id, session->state );
127 case OSRF_STATUS_COMPLETE:
128 osrf_app_session_set_complete( session, msg->thread_trace );
131 case OSRF_STATUS_CONTINUE:
132 osrf_app_session_request_reset_timeout( session, msg->thread_trace );
135 case OSRF_STATUS_REDIRECTED:
136 osrf_app_session_reset_remote( session );
137 session->state = OSRF_SESSION_DISCONNECTED;
138 osrf_app_session_request_resend( session, msg->thread_trace );
141 case OSRF_STATUS_EXPFAILED:
142 osrf_app_session_reset_remote( session );
143 session->state = OSRF_SESSION_DISCONNECTED;
144 osrf_app_session_request_resend( session, msg->thread_trace );
147 case OSRF_STATUS_TIMEOUT:
148 osrf_app_session_reset_remote( session );
149 session->state = OSRF_SESSION_DISCONNECTED;
150 osrf_app_session_request_resend( session, msg->thread_trace );
155 new_msg = osrf_message_init( RESULT, msg->thread_trace, msg->protocol );
156 osrf_message_set_status_info( new_msg,
157 msg->status_name, msg->status_text, msg->status_code );
158 warning_handler("The stack doesn't know what to do with "
159 "the provided message code: %d, name %s. Passing UP.",
160 msg->status_code, msg->status_name );
161 new_msg->is_exception = 1;
162 osrf_app_session_set_complete( session, msg->thread_trace );
163 osrf_message_free(msg);
169 } else if( msg->m_type == RESULT )
177 /** If we return a message, that message should be passed up the stack,
178 * if we return NULL, we're finished for now...
180 osrf_message* _do_server( osrf_app_session* session, osrf_message* msg ) {
181 if(session == NULL || msg == NULL)
184 warning_handler( "We dont' do servers yet !!" );
192 int osrf_stack_application_handler( osrf_app_session* session, osrf_message* msg ) {
193 if(session == NULL || msg == NULL)
196 if(msg->m_type == RESULT) {
197 osrf_app_session_push_queue( session, msg );
201 warning_handler( "application_handler can't handle whatever you sent, type %d", msg->m_type);