/* Process incoming RTSP request */ static apt_bool_t rtsp_server_session_request_process(rtsp_server_t *server, rtsp_server_connection_t *rtsp_connection, rtsp_message_t *message) { rtsp_server_session_t *session = NULL; if(message->start_line.message_type != RTSP_MESSAGE_TYPE_REQUEST) { /* received response to ANNOUNCE request/event */ return TRUE; } if(rtsp_header_property_check(&message->header,RTSP_HEADER_FIELD_SESSION_ID) != TRUE) { /* no session-id specified */ session = rtsp_server_session_setup_process(server,rtsp_connection,message); if(session) { session->active_request = message; if(rtsp_server_session_message_handle(server,session,message) != TRUE) { rtsp_server_session_destroy(session); } } else { /* error case, failed to create a session */ apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Failed to Create RTSP Session"); return rtsp_server_error_respond(server,rtsp_connection,message, RTSP_STATUS_CODE_NOT_ACCEPTABLE, RTSP_REASON_PHRASE_NOT_ACCEPTABLE); } return TRUE; } /* existing session */ session = apr_hash_get( rtsp_connection->session_table, message->header.session_id.buf, message->header.session_id.length); if(!session) { /* error case, no such session */ apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"No Such RTSP Session " APT_SID_FMT,message->header.session_id.buf); return rtsp_server_error_respond(server,rtsp_connection,message, RTSP_STATUS_CODE_NOT_FOUND, RTSP_REASON_PHRASE_NOT_FOUND); } if(session->terminating == TRUE) { /* error case, session is being terminated */ apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Not Acceptable Request " APT_SID_FMT,message->header.session_id.buf); return rtsp_server_error_respond(server,rtsp_connection,message, RTSP_STATUS_CODE_NOT_ACCEPTABLE, RTSP_REASON_PHRASE_NOT_ACCEPTABLE); } if(session->active_request) { apt_log(RTSP_LOG_MARK,APT_PRIO_DEBUG,"Push RTSP Request to Queue " APT_SID_FMT,session->id.buf); apt_list_push_back(session->request_queue,message,message->pool); return TRUE; } /* handle the request */ session->active_request = message; rtsp_server_session_message_handle(server,session,message); return TRUE; }
/* Process incoming SETUP/DESCRIBE request */ static rtsp_server_session_t* rtsp_server_session_setup_process(rtsp_server_t *server, rtsp_server_connection_t *rtsp_connection, rtsp_message_t *message) { rtsp_server_session_t *session = NULL; if(message->start_line.common.request_line.method_id == RTSP_METHOD_SETUP) { /* create new session */ session = rtsp_server_session_create(server); if(!session) { return NULL; } session->connection = rtsp_connection; apt_log(RTSP_LOG_MARK,APT_PRIO_INFO,"Add RTSP Session " APT_SID_FMT,session->id.buf); apr_hash_set(rtsp_connection->session_table,session->id.buf,session->id.length,session); } else if(message->start_line.common.request_line.method_id == RTSP_METHOD_DESCRIBE) { /* create new session as a communication object */ session = rtsp_server_session_create(server); if(!session) { return NULL; } session->connection = rtsp_connection; apt_log(RTSP_LOG_MARK,APT_PRIO_INFO,"Add RTSP Session " APT_SID_FMT,session->id.buf); apr_hash_set(rtsp_connection->session_table,session->id.buf,session->id.length,session); } else { /* error case */ apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Missing RTSP Session-ID"); rtsp_server_error_respond(server,rtsp_connection,message, RTSP_STATUS_CODE_BAD_REQUEST, RTSP_REASON_PHRASE_BAD_REQUEST); } return session; }
static apt_bool_t rtsp_server_session_message_handle(rtsp_server_t *server, rtsp_server_session_t *session, rtsp_message_t *message) { if(message->start_line.common.request_line.method_id == RTSP_METHOD_TEARDOWN) { rtsp_server_session_terminate_request(server,session); return TRUE; } if(server->vtable->handle_message(server,session,message) != TRUE) { apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Handle Message "APT_SID_FMT,session->id.buf); rtsp_server_error_respond(server,session->connection,message, RTSP_STATUS_CODE_INTERNAL_SERVER_ERROR, RTSP_REASON_PHRASE_INTERNAL_SERVER_ERROR); return FALSE; } return TRUE; }
/* Process incoming RTSP request */ static apt_bool_t rtsp_server_session_request_process(rtsp_server_t *server, rtsp_server_connection_t *rtsp_connection, rtsp_message_t *message) { rtsp_server_session_t *session = NULL; if(message->start_line.message_type != RTSP_MESSAGE_TYPE_REQUEST) { /* received response to ANNOUNCE request/event */ return TRUE; } if(rtsp_header_property_check(&message->header.property_set,RTSP_HEADER_FIELD_SESSION_ID) != TRUE) { /* no session-id specified */ session = rtsp_server_session_setup_process(server,rtsp_connection,message); if(session) { session->active_request = message; if(rtsp_server_session_message_handle(server,session,message) != TRUE) { rtsp_server_session_destroy(session); } } return TRUE; } /* existing session */ session = apr_hash_get( rtsp_connection->session_table, message->header.session_id.buf, message->header.session_id.length); if(!session) { /* error case */ apt_log(APT_PRIO_WARNING,"No Such RTSP Session <%s>",message->header.session_id.buf); return rtsp_server_error_respond(server,rtsp_connection,message, RTSP_STATUS_CODE_NOT_FOUND, RTSP_REASON_PHRASE_NOT_FOUND); } if(session->active_request) { apt_log(APT_PRIO_DEBUG,"Push RTSP Request to Queue <%s>",session->id.buf); apt_list_push_back(session->request_queue,message); return TRUE; } /* handle the request */ session->active_request = message; rtsp_server_session_message_handle(server,session,message); return TRUE; }
static apt_bool_t rtsp_server_session_message_handle(rtsp_server_t *server, rtsp_server_session_t *session, rtsp_message_t *message) { if(message->start_line.common.request_line.method_id == RTSP_METHOD_TEARDOWN) { /* remove resource */ const char *resource_name = message->start_line.common.request_line.resource_name; apr_hash_set(session->resource_table,resource_name,APR_HASH_KEY_STRING,NULL); if(apr_hash_count(session->resource_table) == 0) { rtsp_server_session_terminate_request(server,session); return TRUE; } } if(server->vtable->handle_message(server,session,message) != TRUE) { apt_log(RTSP_LOG_MARK,APT_PRIO_WARNING,"Failed to Handle Message " APT_SID_FMT,session->id.buf); rtsp_server_error_respond(server,session->connection,message, RTSP_STATUS_CODE_INTERNAL_SERVER_ERROR, RTSP_REASON_PHRASE_INTERNAL_SERVER_ERROR); return FALSE; } return TRUE; }