src/libopensrf/transport_session.c

   1 #include <opensrf/transport_session.h>
   2
   3 #ifndef HOST_NAME_MAX
   4 #define HOST_NAME_MAX 256
   5 #endif
   6
   7 static char* get_xml_attr( const xmlChar** atts, const char* attr_name );
   8
   9 // ---------------------------------------------------------------------------------
  10 // returns a built and allocated transport_session object.
  11 // This codes does no network activity, only memory initilization
  12 // ---------------------------------------------------------------------------------
  13 transport_session* init_transport(  const char* server,
  14         int port, const char* unix_path, void* user_data, int component ) {
  15
  16         /* create the session struct */
  17         transport_session* session =
  18                 (transport_session*) safe_malloc( sizeof(transport_session) );
  19
  20         session->user_data = user_data;
  21
  22         session->component = component;
  23
  24         /* initialize the data buffers */
  25         session->body_buffer                    = buffer_init( JABBER_BODY_BUFSIZE );
  26         session->subject_buffer         = buffer_init( JABBER_SUBJECT_BUFSIZE );
  27         session->thread_buffer          = buffer_init( JABBER_THREAD_BUFSIZE );
  28         session->from_buffer                    = buffer_init( JABBER_JID_BUFSIZE );
  29         session->status_buffer          = buffer_init( JABBER_STATUS_BUFSIZE );
  30         session->recipient_buffer       = buffer_init( JABBER_JID_BUFSIZE );
  31         session->message_error_type = buffer_init( JABBER_JID_BUFSIZE );
  32         session->session_id                     = buffer_init( 64 );
  33
  34         session->message_error_code = 0;
  35
  36         /* for OpenSRF extensions */
  37         session->router_to_buffer               = buffer_init( JABBER_JID_BUFSIZE );
  38         session->router_from_buffer     = buffer_init( JABBER_JID_BUFSIZE );
  39         session->osrf_xid_buffer        = buffer_init( JABBER_JID_BUFSIZE );
  40         session->router_class_buffer    = buffer_init( JABBER_JID_BUFSIZE );
  41         session->router_command_buffer  = buffer_init( JABBER_JID_BUFSIZE );
  42
  43         session->router_broadcast   = 0;
  44
  45         if(     session->body_buffer            == NULL || session->subject_buffer       == NULL        ||
  46                         session->thread_buffer  == NULL || session->from_buffer          == NULL        ||
  47                         session->status_buffer  == NULL || session->recipient_buffer == NULL ||
  48                         session->router_to_buffer       == NULL || session->router_from_buffer   == NULL ||
  49                         session->router_class_buffer == NULL || session->router_command_buffer == NULL ||
  50                         session->session_id == NULL ) {
  51
  52                 osrfLogError(OSRF_LOG_MARK,  "init_transport(): buffer_init returned NULL" );
  53                 buffer_free( session->body_buffer );
  54                 buffer_free( session->subject_buffer );
  55                 buffer_free( session->thread_buffer );
  56                 buffer_free( session->from_buffer );
  57                 buffer_free( session->status_buffer );
  58                 buffer_free( session->recipient_buffer );
  59                 buffer_free( session->router_to_buffer );
  60                 buffer_free( session->router_from_buffer );
  61                 buffer_free( session->router_class_buffer );
  62                 buffer_free( session->router_command_buffer );
  63                 buffer_free( session->session_id );
  64                 free( session );
  65                 return 0;
  66         }
  67
  68
  69         /* initialize the jabber state machine */
  70         session->state_machine = (jabber_machine*) safe_malloc( sizeof(jabber_machine) );
  71         session->state_machine->connected        = 0;
  72         session->state_machine->connecting       = 0;
  73         session->state_machine->in_message       = 0;
  74         session->state_machine->in_message_body  = 0;
  75         session->state_machine->in_thread        = 0;
  76         session->state_machine->in_subject       = 0;
  77         session->state_machine->in_error         = 0;
  78         session->state_machine->in_message_error = 0;
  79         session->state_machine->in_iq            = 0;
  80         session->state_machine->in_presence      = 0;
  81         session->state_machine->in_status        = 0;
  82
  83         /* initialize the sax push parser */
  84         session->parser_ctxt = xmlCreatePushParserCtxt(SAXHandler, session, "", 0, NULL);
  85
  86         /* initialize the transport_socket structure */
  87         session->sock_mgr = (socket_manager*) safe_malloc( sizeof(socket_manager) );
  88
  89         session->sock_mgr->data_received = &grab_incoming;
  90         session->sock_mgr->on_socket_closed = NULL;
  91         session->sock_mgr->socket = NULL;
  92         session->sock_mgr->blob = session;
  93
  94         session->port = port;
  95         session->server = strdup(server);
  96         if(unix_path)
  97                 session->unix_path = strdup(unix_path);
  98         else session->unix_path = NULL;
  99
 100         session->sock_id = 0;
 101         session->message_callback = NULL;
 102
 103         return session;
 104 }
 105
 106
 107
 108 /* XXX FREE THE BUFFERS */
 109 int session_free( transport_session* session ) {
 110         if( ! session ) { return 0; }
 111
 112         if(session->sock_mgr)
 113                 socket_manager_free(session->sock_mgr);
 114
 115         if( session->state_machine ) free( session->state_machine );
 116         if( session->parser_ctxt) {
 117                 xmlFreeDoc( session->parser_ctxt->myDoc );
 118                 xmlFreeParserCtxt(session->parser_ctxt);
 119         }
 120
 121         xmlCleanupCharEncodingHandlers();
 122         xmlDictCleanup();
 123         xmlCleanupParser();
 124
 125         buffer_free(session->body_buffer);
 126         buffer_free(session->subject_buffer);
 127         buffer_free(session->thread_buffer);
 128         buffer_free(session->from_buffer);
 129         buffer_free(session->recipient_buffer);
 130         buffer_free(session->status_buffer);
 131         buffer_free(session->message_error_type);
 132         buffer_free(session->router_to_buffer);
 133         buffer_free(session->router_from_buffer);
 134         buffer_free(session->osrf_xid_buffer);
 135         buffer_free(session->router_class_buffer);
 136         buffer_free(session->router_command_buffer);
 137         buffer_free(session->session_id);
 138
 139         free(session->server);
 140         free(session->unix_path);
 141
 142         free( session );
 143         return 1;
 144 }
 145
 146
 147 int session_wait( transport_session* session, int timeout ) {
 148         if( ! session || ! session->sock_mgr ) {
 149                 return 0;
 150         }
 151
 152         int ret =  socket_wait( session->sock_mgr, timeout, session->sock_id );
 153
 154         if( ret ) {
 155                 osrfLogDebug(OSRF_LOG_MARK, "socket_wait returned error code %d", ret);
 156                 session->state_machine->connected = 0;
 157         }
 158         return ret;
 159 }
 160
 161 int session_send_msg(
 162                 transport_session* session, transport_message* msg ) {
 163
 164         if( ! session ) { return -1; }
 165
 166         if( ! session->state_machine->connected ) {
 167                 osrfLogWarning(OSRF_LOG_MARK, "State machine is not connected in send_msg()");
 168                 return -1;
 169         }
 170
 171         message_prepare_xml( msg );
 172         //tcp_send( session->sock_obj, msg->msg_xml );
 173         return socket_send( session->sock_id, msg->msg_xml );
 174
 175 }
 176
 177
 178 /* connects to server and connects to jabber */
 179 int session_connect( transport_session* session,
 180                 const char* username, const char* password,
 181                 const char* resource, int connect_timeout, enum TRANSPORT_AUTH_TYPE auth_type ) {
 182
 183         int size1 = 0;
 184         int size2 = 0;
 185
 186         if( ! session ) {
 187                 osrfLogWarning(OSRF_LOG_MARK,  "session is null in connect" );
 188                 return 0;
 189         }
 190
 191
 192         //char* server = session->sock_obj->server;
 193         char* server = session->server;
 194
 195         if( ! session->sock_id ) {
 196
 197                 if(session->port > 0) {
 198                         if( (session->sock_id = socket_open_tcp_client(
 199                                 session->sock_mgr, session->port, session->server)) <= 0 )
 200                         return 0;
 201
 202                 } else if(session->unix_path != NULL) {
 203                         if( (session->sock_id = socket_open_unix_client(
 204                                 session->sock_mgr, session->unix_path)) <= 0 )
 205                         return 0;
 206                 }
 207                 else {
 208                         osrfLogWarning( OSRF_LOG_MARK, "Can't open session: no port or unix path" );
 209                         return 0;
 210                 }
 211         }
 212
 213         if( session->component ) {
 214
 215                 /* the first Jabber connect stanza */
 216                 char our_hostname[HOST_NAME_MAX + 1] = "";
 217                 gethostname(our_hostname, sizeof(our_hostname) );
 218                 our_hostname[HOST_NAME_MAX] = '\0';
 219                 size1 = 150 + strlen( server );
 220                 char stanza1[ size1 ];
 221                 snprintf( stanza1, sizeof(stanza1),
 222                                 "<stream:stream version='1.0' xmlns:stream='http://etherx.jabber.org/streams' "
 223                                 "xmlns='jabber:component:accept' to='%s' from='%s' xml:lang='en'>",
 224                                 username, our_hostname );
 225
 226                 /* send the first stanze */
 227                 session->state_machine->connecting = CONNECTING_1;
 228
 229 //              if( ! tcp_send( session->sock_obj, stanza1 ) ) {
 230                 if( socket_send( session->sock_id, stanza1 ) ) {
 231                         osrfLogWarning(OSRF_LOG_MARK, "error sending");
 232                         return 0;
 233                 }
 234
 235                 /* wait for reply */
 236                 //tcp_wait( session->sock_obj, connect_timeout ); /* make the timeout smarter XXX */
 237                 socket_wait(session->sock_mgr, connect_timeout, session->sock_id);
 238
 239                 /* server acknowledges our existence, now see if we can login */
 240                 if( session->state_machine->connecting == CONNECTING_2 ) {
 241
 242                         int ss = session->session_id->n_used + strlen(password) + 5;
 243                         char hashstuff[ss];
 244                         snprintf( hashstuff, sizeof(hashstuff), "%s%s", session->session_id->buf, password );
 245
 246                         char* hash = shahash( hashstuff );
 247                         size2 = 100 + strlen( hash );
 248                         char stanza2[ size2 ];
 249                         snprintf( stanza2, sizeof(stanza2), "<handshake>%s</handshake>", hash );
 250
 251                         //if( ! tcp_send( session->sock_obj, stanza2 )  ) {
 252                         if( socket_send( session->sock_id, stanza2 )  ) {
 253                                 osrfLogWarning(OSRF_LOG_MARK, "error sending");
 254                                 return 0;
 255                         }
 256                 }
 257
 258         } else { /* we're not a component */
 259
 260                 /* the first Jabber connect stanza */
 261                 size1 = 100 + strlen( server );
 262                 char stanza1[ size1 ];
 263                 snprintf( stanza1, sizeof(stanza1),
 264                                 "<stream:stream to='%s' xmlns='jabber:client' "
 265                                 "xmlns:stream='http://etherx.jabber.org/streams'>",
 266                         server );
 267
 268
 269                 /* send the first stanze */
 270                 session->state_machine->connecting = CONNECTING_1;
 271                 //if( ! tcp_send( session->sock_obj, stanza1 ) ) {
 272                 if( socket_send( session->sock_id, stanza1 ) ) {
 273                         osrfLogWarning(OSRF_LOG_MARK, "error sending");
 274                         return 0;
 275                 }
 276
 277
 278                 /* wait for reply */
 279                 //tcp_wait( session->sock_obj, connect_timeout ); /* make the timeout smarter XXX */
 280                 socket_wait( session->sock_mgr, connect_timeout, session->sock_id ); /* make the timeout smarter XXX */
 281
 282                 if( auth_type == AUTH_PLAIN ) {
 283
 284                         /* the second jabber connect stanza including login info*/
 285                         size2 = 150 + strlen( username ) + strlen(password) + strlen(resource);
 286                         char stanza2[ size2 ];
 287                         snprintf( stanza2, sizeof(stanza2),
 288                                         "<iq id='123456789' type='set'><query xmlns='jabber:iq:auth'>"
 289                                         "<username>%s</username><password>%s</password><resource>%s</resource></query></iq>",
 290                                         username, password, resource );
 291
 292                         /* server acknowledges our existence, now see if we can login */
 293                         if( session->state_machine->connecting == CONNECTING_2 ) {
 294                                 //if( ! tcp_send( session->sock_obj, stanza2 )  ) {
 295                                 if( socket_send( session->sock_id, stanza2 )  ) {
 296                                         osrfLogWarning(OSRF_LOG_MARK, "error sending");
 297                                         return 0;
 298                                 }
 299                         }
 300
 301                 } else if( auth_type == AUTH_DIGEST ) {
 302
 303                         int ss = session->session_id->n_used + strlen(password) + 5;
 304                         char hashstuff[ss];
 305                         snprintf( hashstuff, sizeof(hashstuff), "%s%s", session->session_id->buf, password );
 306
 307                         char* hash = shahash( hashstuff );
 308
 309                         /* the second jabber connect stanza including login info*/
 310                         size2 = 150 + strlen( hash ) + strlen(password) + strlen(resource);
 311                         char stanza2[ size2 ];
 312                         snprintf( stanza2, sizeof(stanza2),
 313                                         "<iq id='123456789' type='set'><query xmlns='jabber:iq:auth'>"
 314                                         "<username>%s</username><digest>%s</digest><resource>%s</resource></query></iq>",
 315                                         username, hash, resource );
 316
 317                         /* server acknowledges our existence, now see if we can login */
 318                         if( session->state_machine->connecting == CONNECTING_2 ) {
 319                                 //if( ! tcp_send( session->sock_obj, stanza2 )  ) {
 320                                 if( socket_send( session->sock_id, stanza2 )  ) {
 321                                         osrfLogWarning(OSRF_LOG_MARK, "error sending");
 322                                         return 0;
 323                                 }
 324                         }
 325
 326                 }
 327
 328         } // not component
 329
 330
 331         /* wait for reply */
 332         //tcp_wait( session->sock_obj, connect_timeout );
 333         socket_wait( session->sock_mgr, connect_timeout, session->sock_id );
 334
 335         if( session->state_machine->connected ) {
 336                 /* yar! */
 337                 return 1;
 338         }
 339
 340         return 0;
 341 }
 342
 343 // ---------------------------------------------------------------------------------
 344 // TCP data callback. Shove the data into the push parser.
 345 // ---------------------------------------------------------------------------------
 346 //void grab_incoming( void * session, char* data ) {
 347 void grab_incoming(void* blob, socket_manager* mgr, int sockid, char* data, int parent) {
 348         transport_session* ses = (transport_session*) blob;
 349         if( ! ses ) { return; }
 350         xmlParseChunk(ses->parser_ctxt, data, strlen(data), 0);
 351 }
 352
 353
 354 void startElementHandler(
 355         void *session, const xmlChar *name, const xmlChar **atts) {
 356
 357         transport_session* ses = (transport_session*) session;
 358         if( ! ses ) { return; }
 359
 360
 361         if( strcmp( (char*) name, "message" ) == 0 ) {
 362                 ses->state_machine->in_message = 1;
 363                 buffer_add( ses->from_buffer, get_xml_attr( atts, "from" ) );
 364                 buffer_add( ses->recipient_buffer, get_xml_attr( atts, "to" ) );
 365                 buffer_add( ses->router_from_buffer, get_xml_attr( atts, "router_from" ) );
 366                 buffer_add( ses->osrf_xid_buffer, get_xml_attr( atts, "osrf_xid" ) );
 367                 buffer_add( ses->router_to_buffer, get_xml_attr( atts, "router_to" ) );
 368                 buffer_add( ses->router_class_buffer, get_xml_attr( atts, "router_class" ) );
 369                 buffer_add( ses->router_command_buffer, get_xml_attr( atts, "router_command" ) );
 370                 char* broadcast = get_xml_attr( atts, "broadcast" );
 371                 if( broadcast )
 372                         ses->router_broadcast = atoi( broadcast );
 373
 374                 return;
 375         }
 376
 377         if( ses->state_machine->in_message ) {
 378
 379                 if( strcmp( (char*) name, "body" ) == 0 ) {
 380                         ses->state_machine->in_message_body = 1;
 381                         return;
 382                 }
 383
 384                 if( strcmp( (char*) name, "subject" ) == 0 ) {
 385                         ses->state_machine->in_subject = 1;
 386                         return;
 387                 }
 388
 389                 if( strcmp( (char*) name, "thread" ) == 0 ) {
 390                         ses->state_machine->in_thread = 1;
 391                         return;
 392                 }
 393
 394         }
 395
 396         if( strcmp( (char*) name, "presence" ) == 0 ) {
 397                 ses->state_machine->in_presence = 1;
 398                 buffer_add( ses->from_buffer, get_xml_attr( atts, "from" ) );
 399                 buffer_add( ses->recipient_buffer, get_xml_attr( atts, "to" ) );
 400                 return;
 401         }
 402
 403         if( strcmp( (char*) name, "status" ) == 0 ) {
 404                 ses->state_machine->in_status = 1;
 405                 return;
 406         }
 407
 408
 409         if( strcmp( (char*) name, "stream:error" ) == 0 ) {
 410                 ses->state_machine->in_error = 1;
 411                 ses->state_machine->connected = 0;
 412                 osrfLogWarning(  OSRF_LOG_MARK, "Received <stream:error> message from Jabber server" );
 413                 return;
 414         }
 415
 416
 417         /* first server response from a connect attempt */
 418         if( strcmp( (char*) name, "stream:stream" ) == 0 ) {
 419                 if( ses->state_machine->connecting == CONNECTING_1 ) {
 420                         ses->state_machine->connecting = CONNECTING_2;
 421                         buffer_add( ses->session_id, get_xml_attr(atts, "id") );
 422                 }
 423         }
 424
 425         if( strcmp( (char*) name, "handshake" ) == 0 ) {
 426                 ses->state_machine->connected = 1;
 427                 ses->state_machine->connecting = 0;
 428                 return;
 429         }
 430
 431
 432         if( strcmp( (char*) name, "error" ) == 0 ) {
 433                 ses->state_machine->in_message_error = 1;
 434                 buffer_add( ses->message_error_type, get_xml_attr( atts, "type" ) );
 435                 ses->message_error_code = atoi( get_xml_attr( atts, "code" ) );
 436                 osrfLogInfo( OSRF_LOG_MARK,  "Received <error> message with type %s and code %s",
 437                         get_xml_attr( atts, "type"), get_xml_attr( atts, "code") );
 438                 return;
 439         }
 440
 441         if( strcmp( (char*) name, "iq" ) == 0 ) {
 442                 ses->state_machine->in_iq = 1;
 443
 444                 if( strcmp( get_xml_attr(atts, "type"), "result") == 0
 445                                 && ses->state_machine->connecting == CONNECTING_2 ) {
 446                         ses->state_machine->connected = 1;
 447                         ses->state_machine->connecting = 0;
 448                         return;
 449                 }
 450
 451                 if( strcmp( get_xml_attr(atts, "type"), "error") == 0 ) {
 452                         osrfLogWarning( OSRF_LOG_MARK,  "Error connecting to jabber" );
 453                         return;
 454                 }
 455         }
 456 }
 457
 458 // ------------------------------------------------------------------
 459 // Returns the value of the given XML attribute
 460 // The xmlChar** construct is commonly returned from SAX event
 461 // handlers.  Pass that in with the name of the attribute you want
 462 // to retrieve.
 463 // ------------------------------------------------------------------
 464 static char* get_xml_attr( const xmlChar** atts, const char* attr_name ) {
 465         int i;
 466         if (atts != NULL) {
 467                 for(i = 0;(atts[i] != NULL);i++) {
 468                         if( strcmp( (char*) atts[i++], attr_name ) == 0 ) {
 469                                 if( atts[i] != NULL ) {
 470                                         return (char*) atts[i];
 471                                 }
 472                         }
 473                 }
 474         }
 475         return NULL;
 476 }
 477
 478
 479 // ------------------------------------------------------------------
 480 // See which tags are ending
 481 // ------------------------------------------------------------------
 482 void endElementHandler( void *session, const xmlChar *name) {
 483         transport_session* ses = (transport_session*) session;
 484         if( ! ses ) { return; }
 485
 486         if( strcmp( (char*) name, "message" ) == 0 ) {
 487
 488
 489                 /* pass off the message info the callback */
 490                 if( ses->message_callback ) {
 491
 492                         /* here it's ok to pass in the raw buffers because
 493                                 message_init allocates new space for the chars
 494                                 passed in */
 495                         transport_message* msg =  message_init(
 496                                 ses->body_buffer->buf,
 497                                 ses->subject_buffer->buf,
 498                                 ses->thread_buffer->buf,
 499                                 ses->recipient_buffer->buf,
 500                                 ses->from_buffer->buf );
 501
 502                         message_set_router_info( msg,
 503                                 ses->router_from_buffer->buf,
 504                                 ses->router_to_buffer->buf,
 505                                 ses->router_class_buffer->buf,
 506                                 ses->router_command_buffer->buf,
 507                                 ses->router_broadcast );
 508
 509          message_set_osrf_xid( msg, ses->osrf_xid_buffer->buf );
 510
 511                         if( ses->message_error_type->n_used > 0 ) {
 512                                 set_msg_error( msg, ses->message_error_type->buf, ses->message_error_code );
 513                         }
 514
 515                         if( msg == NULL ) { return; }
 516                         ses->message_callback( ses->user_data, msg );
 517                 }
 518
 519                 ses->state_machine->in_message = 0;
 520                 reset_session_buffers( session );
 521                 return;
 522         }
 523
 524         if( strcmp( (const char*) name, "body" ) == 0 ) {
 525                 ses->state_machine->in_message_body = 0;
 526                 return;
 527         }
 528
 529         if( strcmp( (const char*) name, "subject" ) == 0 ) {
 530                 ses->state_machine->in_subject = 0;
 531                 return;
 532         }
 533
 534         if( strcmp( (const char*) name, "thread" ) == 0 ) {
 535                 ses->state_machine->in_thread = 0;
 536                 return;
 537         }
 538
 539         if( strcmp( (const char*) name, "iq" ) == 0 ) {
 540                 ses->state_machine->in_iq = 0;
 541                 if( ses->message_error_code > 0 ) {
 542                         osrfLogWarning( OSRF_LOG_MARK,  "Error in IQ packet: code %d",  ses->message_error_code );
 543                         osrfLogWarning( OSRF_LOG_MARK,  "Error 401 means not authorized" );
 544                 }
 545                 reset_session_buffers( session );
 546                 return;
 547         }
 548
 549         if( strcmp( (const char*) name, "presence" ) == 0 ) {
 550                 ses->state_machine->in_presence = 0;
 551                 /*
 552                 if( ses->presence_callback ) {
 553                         // call the callback with the status, etc.
 554                 }
 555                 */
 556                 reset_session_buffers( session );
 557                 return;
 558         }
 559
 560         if( strcmp( (const char*) name, "status" ) == 0 ) {
 561                 ses->state_machine->in_status = 0;
 562                 return;
 563         }
 564
 565         if( strcmp( (const char*) name, "error" ) == 0 ) {
 566                 ses->state_machine->in_message_error = 0;
 567                 return;
 568         }
 569
 570         if( strcmp( (const char*) name, "error:error" ) == 0 ) {
 571                 ses->state_machine->in_error = 0;
 572                 return;
 573         }
 574 }
 575
 576 int reset_session_buffers( transport_session* ses ) {
 577         buffer_reset( ses->body_buffer );
 578         buffer_reset( ses->subject_buffer );
 579         buffer_reset( ses->thread_buffer );
 580         buffer_reset( ses->from_buffer );
 581         buffer_reset( ses->recipient_buffer );
 582         buffer_reset( ses->router_from_buffer );
 583         buffer_reset( ses->osrf_xid_buffer );
 584         buffer_reset( ses->router_to_buffer );
 585         buffer_reset( ses->router_class_buffer );
 586         buffer_reset( ses->router_command_buffer );
 587         buffer_reset( ses->message_error_type );
 588         buffer_reset( ses->session_id );
 589
 590         return 1;
 591 }
 592
 593 // ------------------------------------------------------------------
 594 // takes data out of the body of the message and pushes it into
 595 // the appropriate buffer
 596 // ------------------------------------------------------------------
 597 void characterHandler(
 598                 void *session, const xmlChar *ch, int len) {
 599
 600         char data[len+1];
 601         strncpy( data, (const char*) ch, len );
 602         data[len] = 0;
 603
 604         //printf( "Handling characters: %s\n", data );
 605         transport_session* ses = (transport_session*) session;
 606         if( ! ses ) { return; }
 607
 608         /* set the various message parts */
 609         if( ses->state_machine->in_message ) {
 610
 611                 if( ses->state_machine->in_message_body ) {
 612                         buffer_add( ses->body_buffer, data );
 613                 }
 614
 615                 if( ses->state_machine->in_subject ) {
 616                         buffer_add( ses->subject_buffer, data );
 617                 }
 618
 619                 if( ses->state_machine->in_thread ) {
 620                         buffer_add( ses->thread_buffer, data );
 621                 }
 622         }
 623
 624         /* set the presence status */
 625         if( ses->state_machine->in_presence && ses->state_machine->in_status ) {
 626                 buffer_add( ses->status_buffer, data );
 627         }
 628
 629         if( ses->state_machine->in_error ) {
 630                 /* for now... */
 631                 osrfLogWarning( OSRF_LOG_MARK,  "ERROR XML fragment: %s\n", ch );
 632         }
 633
 634 }
 635
 636 /* XXX change to warning handlers */
 637 void  parseWarningHandler( void *session, const char* msg, ... ) {
 638
 639         va_list args;
 640         va_start(args, msg);
 641         fprintf(stdout, "transport_session XML WARNING");
 642         vfprintf(stdout, msg, args);
 643         va_end(args);
 644         fprintf(stderr, "XML WARNING: %s\n", msg );
 645 }
 646
 647 void  parseErrorHandler( void *session, const char* msg, ... ){
 648
 649         va_list args;
 650         va_start(args, msg);
 651         fprintf(stdout, "transport_session XML ERROR");
 652         vfprintf(stdout, msg, args);
 653         va_end(args);
 654         fprintf(stderr, "XML ERROR: %s\n", msg );
 655
 656 }
 657
 658 int session_disconnect( transport_session* session ) {
 659         if( session == NULL ) { return 0; }
 660         //tcp_send( session->sock_obj, "</stream:stream>");
 661         socket_send(session->sock_id, "</stream:stream>");
 662         socket_disconnect(session->sock_mgr, session->sock_id);
 663         return 0;
 664         //return tcp_disconnect( session->sock_obj );
 665 }
 666