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1 karl 1.91 //%2006//////////////////////////////////////////////////////////////////////// 2 // 3 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development 4 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. 5 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; 6 // IBM Corp.; EMC Corporation, The Open Group. 7 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; 8 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. 9 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; 10 // EMC Corporation; VERITAS Software Corporation; The Open Group. 11 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; 12 // EMC Corporation; Symantec Corporation; The Open Group. 13 // 14 // Permission is hereby granted, free of charge, to any person obtaining a copy 15 // of this software and associated documentation files (the "Software"), to 16 // deal in the Software without restriction, including without limitation the 17 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 18 // sell copies of the Software, and to permit persons to whom the Software is 19 // furnished to do so, subject to the following conditions: 20 // 21 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN 22 karl 1.91 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED 23 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 24 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 25 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 26 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 27 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 29 // 30 //============================================================================== 31 // 32 //%///////////////////////////////////////////////////////////////////////////// 33 34 #include "Config.h" 35 #include "Constants.h" 36 #include <iostream> 37 38 #include "Network.h" 39 #include "Socket.h" 40 #include "TLS.h" 41 #include "HTTPAcceptor.h" 42 #include "HTTPConnection.h"
43 dave.sudlik 1.101 #include "HostAddress.h"
44 karl 1.91 #include "Tracer.h"
45 kumpf 1.93 #include <Pegasus/Common/MessageLoader.h>
46 karl 1.91
47 ouyang.jian 1.102 #ifdef PEGASUS_OS_PASE 48 # include <as400_protos.h> 49 # include <Pegasus/Common/PaseCcsid.h> 50 #endif 51
52 karl 1.91 PEGASUS_USING_STD; 53 54 PEGASUS_NAMESPACE_BEGIN 55 56
57 mateus.baur 1.103 static int _maxConnectionQueueLength = -1;
58 karl 1.91 59 //////////////////////////////////////////////////////////////////////////////// 60 // 61 // HTTPAcceptorRep 62 // 63 //////////////////////////////////////////////////////////////////////////////// 64 65 class HTTPAcceptorRep 66 { 67 public:
68 dave.sudlik 1.101 HTTPAcceptorRep(Uint16 connectionType)
69 karl 1.91 {
70 dave.sudlik 1.101 if (connectionType == HTTPAcceptor::LOCAL_CONNECTION)
71 karl 1.91 { 72 #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
73 kumpf 1.92 address = 74 reinterpret_cast<struct sockaddr*>(new struct sockaddr_un);
75 karl 1.91 address_size = sizeof(struct sockaddr_un); 76 #else 77 PEGASUS_ASSERT(false); 78 #endif 79 }
80 dave.sudlik 1.101 #ifdef PEGASUS_ENABLE_IPV6 81 else if (connectionType == HTTPAcceptor::IPV6_CONNECTION) 82 { 83 address = 84 reinterpret_cast<struct sockaddr*>(new struct sockaddr_in6); 85 address_size = sizeof(struct sockaddr_in6); 86 } 87 #endif 88 else if (connectionType == HTTPAcceptor::IPV4_CONNECTION)
89 karl 1.91 {
90 kumpf 1.92 address = 91 reinterpret_cast<struct sockaddr*>(new struct sockaddr_in);
92 karl 1.91 address_size = sizeof(struct sockaddr_in); 93 }
94 dave.sudlik 1.101 else 95 { 96 PEGASUS_ASSERT(false);
97 karl 1.91 }
98 dave.sudlik 1.101 } 99
100 karl 1.91 ~HTTPAcceptorRep() 101 { 102 delete address; 103 } 104 struct sockaddr* address; 105 106 SocketLength address_size; 107 Mutex _connection_mut; 108 109 SocketHandle socket; 110 Array<HTTPConnection> connections; 111 }; 112 113 114 //////////////////////////////////////////////////////////////////////////////// 115 // 116 // HTTPAcceptor 117 // 118 //////////////////////////////////////////////////////////////////////////////// 119 120 HTTPAcceptor::HTTPAcceptor(Monitor monitor, 121 karl 1.91 MessageQueue* outputMessageQueue,
122 dave.sudlik 1.101 Uint16 connectionType,
123 karl 1.91 Uint32 portNumber, 124 SSLContext * sslcontext, 125 ReadWriteSem* sslContextObjectLock) 126 : Base(PEGASUS_QUEUENAME_HTTPACCEPTOR), // ATTN: Need unique names? 127 _monitor(monitor), 128 _outputMessageQueue(outputMessageQueue), 129 _rep(0), 130 _entry_index(-1),
131 dave.sudlik 1.101 _connectionType(connectionType),
132 karl 1.91 _portNumber(portNumber), 133 _sslcontext(sslcontext),
134 dave.sudlik 1.106.2.1 _sslContextObjectLock(sslContextObjectLock), 135 _idleConnectionTimeoutSeconds(0)
136 karl 1.91 { 137 Socket::initializeInterface(); 138 139 /*
140 mateus.baur 1.103 Platforms interpret the value of _maxConnectionQueueLength
141 kumpf 1.92 differently. Some platforms interpret the value literally, while 142 others multiply a fudge factor. When the server is under stress from 143 multiple clients with multiple requests, toggling this number may 144 prevent clients from being dropped. Instead of hard coding the 145 value, we allow an environment variable to be set which specifies a 146 number greater than the maximum concurrent client connections 147 possible. If this environment var is not specified, then
148 mateus.baur 1.103 _maxConnectionQueueLength = 15.
149 karl 1.91 */ 150
151 kumpf 1.92 //To engage runtime backlog queue length: uncomment the following block AND
152 mateus.baur 1.103 //comment out the line _maxConnectionQueueLength = 15
153 karl 1.91 154 /*
155 mateus.baur 1.103 if (_maxConnectionQueueLength == -1)
156 kumpf 1.92 { 157 const char* env = getenv("PEGASUS_MAX_BACKLOG_CONNECTION_QUEUE"); 158 if (!env) 159 {
160 mateus.baur 1.103 _maxConnectionQueueLength = 15;
161 kumpf 1.92 } 162 else 163 { 164 char* end = NULL;
165 mateus.baur 1.103 _maxConnectionQueueLength = strtol(env, &end, 10);
166 kumpf 1.92 if (*end)
167 mateus.baur 1.103 _maxConnectionQueueLength = 15; 168 cout << " _maxConnectionQueueLength = " << 169 _maxConnectionQueueLength << endl;
170 kumpf 1.92 }
171 karl 1.91 } 172 */
173 mateus.baur 1.103 #ifdef PEGASUS_WMIMAPPER 174 //The WMI Mapper can be used as a proxy to multiple WMI Servers. 175 //If a client application simultaneously initiates connections 176 //to many Windows systems, many of these connections may be routed 177 //to a single WMI Mapper. A larger _maxConnectionQueueLength 178 //value is required to allow these connections to be initiated 179 //successfully. 180 _maxConnectionQueueLength = 40; 181 #else 182 _maxConnectionQueueLength = 15; 183 #endif
184 karl 1.91 } 185 186 HTTPAcceptor::~HTTPAcceptor() 187 {
188 kumpf 1.92 destroyConnections(); 189 unbind(); 190 // ATTN: Is this correct in a multi-HTTPAcceptor server? 191 Socket::uninitializeInterface();
192 karl 1.91 } 193 194 void HTTPAcceptor::handleEnqueue(Message *message) 195 {
196 kumpf 1.92 if (!message) 197 return; 198 199 PEGASUS_ASSERT(_rep != 0); 200 switch (message->getType()) 201 { 202 case SOCKET_MESSAGE: 203 { 204 SocketMessage* socketMessage = (SocketMessage*)message; 205 206 // If this is a connection request: 207 208 if (socketMessage->socket == _rep->socket && 209 socketMessage->events & SocketMessage::READ) 210 { 211 _acceptConnection(); 212 } 213 else 214 { 215 // ATTN! this can't happen!
216 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
217 kumpf 1.92 "HTTPAcceptor::handleEnqueue: Invalid SOCKET_MESSAGE " 218 "received."); 219 }
220 karl 1.91 221 break;
222 kumpf 1.92 } 223 224 case CLOSE_CONNECTION_MESSAGE: 225 { 226 CloseConnectionMessage* closeConnectionMessage = 227 (CloseConnectionMessage)message; 228 229 AutoMutex autoMut(_rep->_connection_mut); 230 231 for (Uint32 i = 0, n = _rep->connections.size(); i < n; i++) 232 { 233 HTTPConnection connection = _rep->connections[i]; 234 SocketHandle socket = connection->getSocket(); 235 236 if (socket == closeConnectionMessage->socket) 237 { 238 _monitor->unsolicitSocketMessages(socket); 239 _rep->connections.remove(i); 240 delete connection; 241 break; 242 } 243 kumpf 1.92 }
244 karl 1.91
245 kumpf 1.92 break; 246 }
247 karl 1.91
248 kumpf 1.92 default: 249 // ATTN: need unexpected message error!
250 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
251 kumpf 1.92 "HTTPAcceptor::handleEnqueue: Invalid MESSAGE received."); 252 break; 253 }
254 karl 1.91
255 kumpf 1.92 delete message;
256 karl 1.91 } 257 258 259 void HTTPAcceptor::handleEnqueue() 260 {
261 kumpf 1.92 Message* message = dequeue();
262 karl 1.91
263 kumpf 1.92 if (!message) 264 {
265 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
266 kumpf 1.92 "HTTPAcceptor::handleEnqueue(): No message on queue."); 267 return; 268 }
269 karl 1.91
270 kumpf 1.92 handleEnqueue(message);
271 karl 1.91 } 272 273 void HTTPAcceptor::bind() 274 {
275 kumpf 1.92 if (_rep) 276 { 277 MessageLoaderParms parms("Common.HTTPAcceptor.ALREADY_BOUND", 278 "HTTPAcceptor already bound");
279 karl 1.91
280 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
281 kumpf 1.92 "HTTPAcceptor::bind: HTTPAcceptor already bound."); 282 throw BindFailedException(parms); 283 }
284 karl 1.91
285 dave.sudlik 1.101 _rep = new HTTPAcceptorRep(_connectionType);
286 karl 1.91
287 kumpf 1.92 // bind address 288 _bind();
289 karl 1.91 } 290 291 /**
292 kumpf 1.92 _bind - creates a new server socket and bind socket to the port address. 293 If PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET is not defined, the port number is 294 ignored and a domain socket is bound.
295 karl 1.91 */ 296 void HTTPAcceptor::_bind() 297 {
298 ouyang.jian 1.102 #ifdef PEGASUS_OS_PASE 299 // bind need ccsid is 819 300 int orig_ccsid; 301 orig_ccsid = _SETCCSID(-1); 302 if (orig_ccsid == -1) 303 { 304 PEG_TRACE_STRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, 305 String("HTTPAcceptor::_bind: Can not get current PASE CCSID.")); 306 orig_ccsid = 1208; 307 } 308 PaseCcsid ccsid(819, orig_ccsid); 309 #endif 310
311 kumpf 1.92 PEGASUS_ASSERT(_rep != 0); 312 // Create address:
313 dave.sudlik 1.101 memset(_rep->address, 0, _rep->address_size);
314 karl 1.91
315 dave.sudlik 1.101 if (_connectionType == LOCAL_CONNECTION)
316 kumpf 1.92 {
317 karl 1.91 #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
318 kumpf 1.100 // 319 // Make sure the local domain socket can be owned by the cimserver 320 // user. Otherwise, the bind may fail with a vague "bind failed" 321 // error. 322 // 323 if (System::exists(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH)) 324 { 325 if (!System::removeFile(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH)) 326 { 327 throw CannotRemoveFile(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH); 328 } 329 } 330
331 kumpf 1.92 reinterpret_cast<struct sockaddr_un>(_rep->address)->sun_family = 332 AF_UNIX; 333 strcpy(reinterpret_cast<struct sockaddr_un>(_rep->address)->sun_path, 334 PEGASUS_LOCAL_DOMAIN_SOCKET_PATH);
335 karl 1.91 #else
336 kumpf 1.92 PEGASUS_ASSERT(false);
337 karl 1.91 #endif
338 kumpf 1.92 }
339 dave.sudlik 1.101 #ifdef PEGASUS_ENABLE_IPV6 340 else if (_connectionType == IPV6_CONNECTION) 341 { 342 reinterpret_cast<struct sockaddr_in6>(_rep->address)->sin6_addr = 343 in6addr_any; 344 reinterpret_cast<struct sockaddr_in6>(_rep->address)->sin6_family = 345 AF_INET6; 346 reinterpret_cast<struct sockaddr_in6*>(_rep->address)->sin6_port = 347 htons(_portNumber); 348 } 349 #endif 350 else if(_connectionType == IPV4_CONNECTION)
351 kumpf 1.92 { 352 reinterpret_cast<struct sockaddr_in>(_rep->address)->sin_addr.s_addr = 353 INADDR_ANY; 354 reinterpret_cast<struct sockaddr_in>(_rep->address)->sin_family = 355 AF_INET; 356 reinterpret_cast<struct sockaddr_in*>(_rep->address)->sin_port = 357 htons(_portNumber); 358 }
359 dave.sudlik 1.101 else 360 { 361 PEGASUS_ASSERT(false); 362 }
363 kumpf 1.92 364 // Create socket: 365
366 dave.sudlik 1.101 if (_connectionType == LOCAL_CONNECTION)
367 kumpf 1.92 { 368 _rep->socket = Socket::createSocket(AF_UNIX, SOCK_STREAM, 0); 369 }
370 dave.sudlik 1.101 #ifdef PEGASUS_ENABLE_IPV6 371 else if (_connectionType == IPV6_CONNECTION) 372 { 373 _rep->socket = Socket::createSocket(PF_INET6, SOCK_STREAM, IPPROTO_TCP); 374 } 375 #endif 376 else if (_connectionType == IPV4_CONNECTION) 377 { 378 _rep->socket = Socket::createSocket(PF_INET, SOCK_STREAM, IPPROTO_TCP); 379 }
380 kumpf 1.92 else 381 {
382 dave.sudlik 1.101 PEGASUS_ASSERT(false);
383 kumpf 1.92 } 384 385 if (_rep->socket < 0) 386 { 387 delete _rep; 388 _rep = 0; 389 MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_CREATE_SOCKET", 390 "Failed to create socket");
391 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
392 kumpf 1.92 "HTTPAcceptor::_bind _rep->socket < 0"); 393 throw BindFailedException(parms); 394 }
395 karl 1.91
396 kumpf 1.106.2.2 Socket::disableBlocking(_rep->socket);
397 karl 1.91 398 // set the close-on-exec bit for this file handle. 399 // any unix that forks needs this bit set. 400 #if !defined PEGASUS_OS_TYPE_WINDOWS && !defined(PEGASUS_OS_VMS)
401 kumpf 1.92 int sock_flags; 402 if ((sock_flags = fcntl(_rep->socket, F_GETFD, 0)) < 0) 403 {
404 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
405 kumpf 1.92 "HTTPAcceptor::_bind: fcntl(F_GETFD) failed"); 406 } 407 else 408 { 409 sock_flags \|= FD_CLOEXEC; 410 if (fcntl(_rep->socket, F_SETFD, sock_flags) < 0) 411 {
412 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
413 kumpf 1.92 "HTTPAcceptor::_bind: fcntl(F_SETFD) failed"); 414 } 415 } 416 #endif 417 418 419 // 420 // Set the socket option SO_REUSEADDR to reuse the socket address so 421 // that we can rebind to a new socket using the same address when we 422 // need to resume the cimom as a result of a timeout during a Shutdown 423 // operation. 424 // 425 int opt=1; 426 if (setsockopt(_rep->socket, SOL_SOCKET, SO_REUSEADDR, 427 (char *)&opt, sizeof(opt)) < 0) 428 { 429 Socket::close(_rep->socket); 430 delete _rep; 431 _rep = 0; 432 MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_SET_SOCKET_OPTION", 433 "Failed to set socket option");
434 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
435 kumpf 1.92 "HTTPAcceptor::_bind: Failed to set socket option."); 436 throw BindFailedException(parms); 437 } 438 439 440 // 441 // Bind socket to port: 442 // 443 if (::bind(_rep->socket, _rep->address, _rep->address_size) < 0) 444 { 445 Socket::close(_rep->socket); 446 delete _rep; 447 _rep = 0; 448 MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_BIND_SOCKET", 449 "Failed to bind socket");
450 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
451 kumpf 1.92 "HTTPAcceptor::_bind: Failed to bind socket."); 452 throw BindFailedException(parms); 453 } 454 455 456 // 457 // Get the actual port value used if the caller specified a port value of 0. 458 // 459 if (_portNumber == 0) 460 { 461 sockaddr_in buf; 462 SocketLength bufSize = sizeof(buf); 463 if (getsockname(_rep->socket, reinterpret_cast<sockaddr *>(&buf), 464 &bufSize) == 0 ) 465 { 466 _portNumber = ntohs(buf.sin_port); 467 } 468 } 469 470 471 // 472 kumpf 1.92 // Change permissions on Linux local domain socket to allow writes by 473 // others. 474 //
475 karl 1.91 #if !defined(PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET) && \
476 kumpf 1.92 (defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) \|\| \ 477 defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM))
478 dave.sudlik 1.101 if (_connectionType == LOCAL_CONNECTION)
479 kumpf 1.92 { 480 if (::chmod(PEGASUS_LOCAL_DOMAIN_SOCKET_PATH, 481 S_IRUSR \| S_IWUSR \| S_IXUSR \| 482 S_IRGRP \| S_IWGRP \| S_IXGRP \| 483 S_IROTH \| S_IWOTH \| S_IXOTH ) < 0 ) 484 { 485 Socket::close(_rep->socket); 486 delete _rep; 487 _rep = 0; 488 MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_BIND_SOCKET", 489 "Failed to bind socket");
490 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
491 kumpf 1.92 "HTTPAcceptor::_bind: Failed to set domain socket " 492 "permissions."); 493 throw BindFailedException(parms); 494 } 495 } 496 #endif 497 498 // Set up listening on the given socket: 499
500 mateus.baur 1.103 //int const _maxConnectionQueueLength = 15;
501 kumpf 1.92
502 mateus.baur 1.103 if (listen(_rep->socket, _maxConnectionQueueLength) < 0)
503 kumpf 1.92 { 504 Socket::close(_rep->socket); 505 delete _rep; 506 _rep = 0; 507 MessageLoaderParms parms("Common.HTTPAcceptor.FAILED_BIND_SOCKET", 508 "Failed to bind socket");
509 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
510 kumpf 1.92 "HTTPAcceptor::_bind: Failed to bind socket(1)."); 511 throw BindFailedException(parms); 512 } 513 514 // Register to receive SocketMessages on this socket: 515 516 if (-1 == ( _entry_index = _monitor->solicitSocketMessages( 517 _rep->socket, 518 SocketMessage::READ \| SocketMessage::EXCEPTION, 519 getQueueId(), 520 Monitor::ACCEPTOR))) 521 { 522 Socket::close(_rep->socket); 523 delete _rep; 524 _rep = 0; 525 MessageLoaderParms parms( 526 "Common.HTTPAcceptor.FAILED_SOLICIT_SOCKET_MESSAGES", 527 "Failed to solicit socket messaeges");
528 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
529 kumpf 1.92 "HTTPAcceptor::_bind: Failed to solicit socket messages(2)."); 530 throw BindFailedException(parms); 531 }
532 karl 1.91 } 533 534 /**
535 kumpf 1.92 closeConnectionSocket - close the server listening socket to disallow 536 new client connections.
537 karl 1.91 */ 538 void HTTPAcceptor::closeConnectionSocket() 539 {
540 kumpf 1.92 if (_rep) 541 { 542 // unregister the socket 543 544 // ATTN - comment out - see CIMServer::stopClientConnection() 545 //_monitor->unsolicitSocketMessages(_rep->socket); 546 547 // close the socket 548 Socket::close(_rep->socket); 549 // Unlink Local Domain Socket Bug# 3312
550 dave.sudlik 1.101 if (_connectionType == LOCAL_CONNECTION)
551 kumpf 1.92 {
552 karl 1.91 #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
553 marek 1.95 PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL2,
554 kumpf 1.92 "HTTPAcceptor::closeConnectionSocket Unlinking local " 555 "connection."); 556 ::unlink( 557 reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path);
558 karl 1.91 #else
559 kumpf 1.92 PEGASUS_ASSERT(false);
560 karl 1.91 #endif
561 kumpf 1.92 } 562 } 563 else 564 {
565 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
566 kumpf 1.92 "HTTPAcceptor::closeConnectionSocket failure _rep is null."); 567 }
568 karl 1.91 } 569 570 /** 571 reopenConnectionSocket - creates a new server socket. 572 */ 573 void HTTPAcceptor::reopenConnectionSocket() 574 {
575 kumpf 1.92 if (_rep) 576 { 577 _bind(); 578 } 579 else 580 {
581 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
582 kumpf 1.92 "HTTPAcceptor::reopenConnectionSocket failure _rep is null."); 583 }
584 karl 1.91 } 585 586 587 /** 588 reconnectConnectionSocket - creates a new server socket. 589 */ 590 void HTTPAcceptor::reconnectConnectionSocket() 591 {
592 kumpf 1.92 if (_rep) 593 { 594 // unregister the socket 595 _monitor->unsolicitSocketMessages(_rep->socket); 596 // close the socket 597 Socket::close(_rep->socket); 598 // Unlink Local Domain Socket Bug# 3312
599 dave.sudlik 1.101 if (_connectionType == LOCAL_CONNECTION)
600 kumpf 1.92 {
601 karl 1.91 #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
602 marek 1.95 PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL2,
603 kumpf 1.92 "HTTPAcceptor::reconnectConnectionSocket Unlinking local " 604 "connection." ); 605 ::unlink( 606 reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path);
607 karl 1.91 #else
608 kumpf 1.92 PEGASUS_ASSERT(false);
609 karl 1.91 #endif
610 kumpf 1.92 } 611 // open the socket 612 _bind(); 613 } 614 else 615 {
616 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
617 kumpf 1.92 "HTTPAcceptor::reconnectConnectionSocket failure _rep is null."); 618 }
619 karl 1.91 } 620 621 /**
622 kumpf 1.92 getOutstandingRequestCount - returns the number of outstanding requests.
623 karl 1.91 */ 624 Uint32 HTTPAcceptor::getOutstandingRequestCount() const 625 {
626 kumpf 1.92 Uint32 count = 0; 627 if (_rep) 628 { 629 AutoMutex autoMut(_rep->_connection_mut); 630 if (_rep->connections.size() > 0) 631 { 632 HTTPConnection* connection = _rep->connections[0]; 633 count = connection->getRequestCount(); 634 } 635 } 636 return count;
637 karl 1.91 } 638 639 640 /** 641 getPortNumber - returns the port number used for the connection 642 */ 643 Uint32 HTTPAcceptor::getPortNumber() const 644 { 645 return _portNumber; 646 } 647 648 void HTTPAcceptor::setSocketWriteTimeout(Uint32 socketWriteTimeout) 649 { 650 _socketWriteTimeout = socketWriteTimeout; 651 } 652
653 dave.sudlik 1.106.2.1 void HTTPAcceptor::setIdleConnectionTimeout(Uint32 idleConnectionTimeoutSeconds) 654 { 655 _idleConnectionTimeoutSeconds = idleConnectionTimeoutSeconds; 656 } 657
658 karl 1.91 void HTTPAcceptor::unbind() 659 {
660 kumpf 1.92 if (_rep) 661 { 662 _portNumber = 0; 663 Socket::close(_rep->socket);
664 karl 1.91
665 dave.sudlik 1.101 if (_connectionType == LOCAL_CONNECTION)
666 kumpf 1.92 {
667 karl 1.91 #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
668 kumpf 1.92 ::unlink( 669 reinterpret_cast<struct sockaddr_un*>(_rep->address)->sun_path);
670 karl 1.91 #else
671 kumpf 1.92 PEGASUS_ASSERT(false);
672 karl 1.91 #endif
673 kumpf 1.92 }
674 karl 1.91
675 kumpf 1.92 delete _rep; 676 _rep = 0; 677 } 678 else 679 {
680 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
681 kumpf 1.92 "HTTPAcceptor::unbind failure _rep is null." ); 682 }
683 karl 1.91 } 684 685 void HTTPAcceptor::destroyConnections() 686 {
687 kumpf 1.92 if (_rep) 688 { 689 // For each connection created by this object:
690 karl 1.91
691 kumpf 1.92 AutoMutex autoMut(_rep->_connection_mut); 692 for (Uint32 i = 0, n = _rep->connections.size(); i < n; i++) 693 { 694 HTTPConnection* connection = _rep->connections[i]; 695 SocketHandle socket = connection->getSocket();
696 karl 1.91
697 kumpf 1.92 // Unsolicit SocketMessages:
698 karl 1.91
699 kumpf 1.92 _monitor->unsolicitSocketMessages(socket);
700 karl 1.91
701 kumpf 1.92 // Destroy the connection (causing it to close):
702 karl 1.91
703 kumpf 1.92 while (connection->refcount.get()) { } 704 delete connection; 705 }
706 karl 1.91
707 kumpf 1.92 _rep->connections.clear(); 708 }
709 karl 1.91 } 710 711 void HTTPAcceptor::_acceptConnection() 712 {
713 kumpf 1.92 // This function cannot be called on an invalid socket!
714 karl 1.91
715 kumpf 1.92 PEGASUS_ASSERT(_rep != 0);
716 karl 1.91
717 kumpf 1.92 // Accept the connection (populate the address):
718 karl 1.91
719 kumpf 1.92 struct sockaddr* accept_address; 720 SocketLength address_size;
721 karl 1.91
722 dave.sudlik 1.101 if (_connectionType == LOCAL_CONNECTION)
723 kumpf 1.92 {
724 karl 1.91 #ifndef PEGASUS_DISABLE_LOCAL_DOMAIN_SOCKET
725 kumpf 1.92 accept_address = 726 reinterpret_cast<struct sockaddr*>(new struct sockaddr_un); 727 address_size = sizeof(struct sockaddr_un);
728 karl 1.91 #else
729 kumpf 1.92 PEGASUS_ASSERT(false);
730 karl 1.91 #endif
731 kumpf 1.92 } 732 else 733 {
734 dave.sudlik 1.101 #ifdef PEGASUS_ENABLE_IPV6 735 accept_address = 736 reinterpret_cast<struct sockaddr*> 737 (new struct sockaddr_storage); 738 address_size = sizeof(struct sockaddr_storage); 739 #else
740 kumpf 1.92 accept_address = 741 reinterpret_cast<struct sockaddr*>(new struct sockaddr_in); 742 address_size = sizeof(struct sockaddr_in);
743 dave.sudlik 1.101 #endif
744 kumpf 1.92 } 745
746 kumpf 1.106.2.2 // It is not necessary to handle EINTR errors from this accept() call. 747 // An EINTR error should not occur on a non-blocking socket. If the 748 // listen socket is blocking and EINTR occurs, the new socket connection 749 // is not accepted here. 750 751 // EAGAIN errors are also not handled here. An EAGAIN error should not 752 // occur after select() indicates that the listen socket is available for 753 // reading. If the accept() fails with an EAGAIN error code, a new 754 // connection is not accepted here. 755 756 SocketHandle socket = accept(_rep->socket, accept_address, &address_size);
757 kumpf 1.92 758 if (socket == PEGASUS_SOCKET_ERROR) 759 { 760 // the remote connection is invalid, destroy client address. 761 delete accept_address; 762 763 // TCPIP is down reconnect this acceptor 764 if (getSocketError() == PEGASUS_NETWORK_TCPIP_STOPPED) 765 {
766 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
767 kumpf 1.92 "Socket has an IO error. TCP/IP down. Try to reconnect."); 768 769 reconnectConnectionSocket(); 770 771 return; 772 }
773 karl 1.91
774 kumpf 1.92 Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, 775 "HTTPAcceptor - accept() failure. errno: $0", errno);
776 karl 1.91
777 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
778 kumpf 1.92 "HTTPAcceptor: accept() failed"); 779 return; 780 }
781 karl 1.91
782 kumpf 1.92 String ipAddress;
783 karl 1.91
784 dave.sudlik 1.101 if (_connectionType == LOCAL_CONNECTION)
785 kumpf 1.92 { 786 ipAddress = "localhost"; 787 } 788 else 789 {
790 dave.sudlik 1.101 #ifdef PEGASUS_ENABLE_IPV6 791 char ipBuffer[PEGASUS_INET6_ADDRSTR_LEN];
792 dmitry.mikulin 1.105 int rc;
793 dmitry.mikulin 1.106 if ((rc = System::getNameInfo(accept_address, 794 address_size, 795 ipBuffer, 796 PEGASUS_INET6_ADDRSTR_LEN, 797 0, 798 0, 799 NI_NUMERICHOST)))
800 dave.sudlik 1.101 { 801 Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, 802 "HTTPAcceptor - getnameinfo() failure. rc: $0", rc); 803 804 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2, 805 "HTTPAcceptor: getnameinfo() failed"); 806 delete accept_address; 807 Socket::close(socket); 808 return; 809 } 810 ipAddress = ipBuffer; 811 #else
812 kumpf 1.92 unsigned char* sa = reinterpret_cast<unsigned char>( 813 &reinterpret_cast<struct sockaddr_in>( 814 accept_address)->sin_addr.s_addr); 815 char ipBuffer[32]; 816 sprintf(ipBuffer, "%u.%u.%u.%u", sa[0], sa[1], sa[2], sa[3]); 817 ipAddress = ipBuffer;
818 dave.sudlik 1.101 #endif
819 kumpf 1.92 }
820 karl 1.91
821 kumpf 1.92 delete accept_address;
822 karl 1.91 823 // set the close on exec flag 824 #if !defined(PEGASUS_OS_TYPE_WINDOWS) && !defined(PEGASUS_OS_VMS)
825 kumpf 1.92 int sock_flags; 826 if ((sock_flags = fcntl(socket, F_GETFD, 0)) < 0) 827 {
828 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
829 kumpf 1.92 "HTTPAcceptor: fcntl(F_GETFD) failed"); 830 } 831 else 832 { 833 sock_flags \|= FD_CLOEXEC; 834 if (fcntl(socket, F_SETFD, sock_flags) < 0) 835 {
836 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
837 kumpf 1.92 "HTTPAcceptor: fcntl(F_SETFD) failed"); 838 } 839 }
840 karl 1.91 #endif 841 842
843 kumpf 1.92 PEG_LOGGER_TRACE((Logger::STANDARD_LOG, System::CIMSERVER, 0, 844 "HTTPAcceptor - accept() success. Socket: $1" ,socket)); 845
846 kumpf 1.96 SharedPtr<MP_Socket> mp_socket(new MP_Socket(
847 sushma.fernandes 1.97 socket, _sslcontext, _sslContextObjectLock, ipAddress));
848 kumpf 1.92
849 kumpf 1.106.2.2 mp_socket->disableBlocking();
850 kumpf 1.92 mp_socket->setSocketWriteTimeout(_socketWriteTimeout); 851
852 kumpf 1.106.2.2 // Perform the SSL handshake, if applicable.
853 kumpf 1.92 854 Sint32 socketAcceptStatus = mp_socket->accept(); 855 856 if (socketAcceptStatus < 0) 857 {
858 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
859 kumpf 1.92 "HTTPAcceptor: SSL_accept() failed"); 860 mp_socket->close(); 861 return; 862 } 863 864 // Create a new connection and add it to the connection list: 865 866 HTTPConnection* connection = new HTTPConnection(_monitor, mp_socket, 867 ipAddress, this, static_cast<MessageQueue *>(_outputMessageQueue)); 868
869 dave.sudlik 1.106.2.1 if (_idleConnectionTimeoutSeconds) 870 { 871 connection->_idleConnectionTimeoutSeconds = 872 _idleConnectionTimeoutSeconds; 873 Time::gettimeofday(&connection->_idleStartTime); 874 } 875
876 kumpf 1.92 if (socketAcceptStatus == 0) 877 {
878 marek 1.95 PEG_TRACE_CSTRING(TRC_HTTP, Tracer::LEVEL2,
879 kumpf 1.92 "HTTPAcceptor: SSL_accept() pending"); 880 connection->_acceptPending = true;
881 dave.sudlik 1.106.2.1 Time::gettimeofday(&connection->_acceptPendingStartTime);
882 kumpf 1.92 }
883 karl 1.91
884 kumpf 1.92 // Solicit events on this new connection's socket: 885 int index;
886 karl 1.91
887 kumpf 1.92 if (-1 == (index = _monitor->solicitSocketMessages( 888 connection->getSocket(), 889 SocketMessage::READ \| SocketMessage::EXCEPTION, 890 connection->getQueueId(), Monitor::CONNECTION)) ) 891 { 892 // ATTN-DE-P2-2003100503::TODO::Need to enhance code to return 893 // an error message to Client application.
894 marek 1.95 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
895 kumpf 1.92 "HTTPAcceptor::_acceptConnection: Attempt to allocate entry in " 896 "_entries table failed."); 897 delete connection; 898 Socket::close(socket); 899 return; 900 }
901 karl 1.91
902 kumpf 1.92 // Save the socket for cleanup later: 903 connection->_entry_index = index; 904 AutoMutex autoMut(_rep->_connection_mut); 905 _rep->connections.append(connection);
906 karl 1.91 } 907
908 kumpf 1.92 PEGASUS_NAMESPACE_END

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