libsoup/soup-session.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * soup-session.c
   4  *
   5  * Copyright (C) 2000-2003, Ximian, Inc.
   6  */
   7
   8 #ifdef HAVE_CONFIG_H
   9 #include <config.h>
  10 #endif
  11
  12 #include <unistd.h>
  13 #include <string.h>
  14 #include <stdlib.h>
  15
  16 #include "soup-auth.h"
  17 #include "soup-auth-basic.h"
  18 #include "soup-auth-digest.h"
  19 #include "soup-auth-manager.h"
  20 #include "soup-auth-manager-ntlm.h"
  21 #include "soup-connection.h"
  22 #include "soup-marshal.h"
  23 #include "soup-message-private.h"
  24 #include "soup-message-queue.h"
  25 #include "soup-session.h"
  26 #include "soup-session-private.h"
  27 #include "soup-socket.h"
  28 #include "soup-ssl.h"
  29 #include "soup-uri.h"
  30
  31 /**
  32  * SECTION:soup-session
  33  * @short_description: Soup session state object
  34  *
  35  * #SoupSession is the object that controls client-side HTTP. A
  36  * #SoupSession encapsulates all of the state that libsoup is keeping
  37  * on behalf of your program; cached HTTP connections, authentication
  38  * information, etc.
  39  *
  40  * Most applications will only need a single #SoupSession; the primary
  41  * reason you might need multiple sessions is if you need to have
  42  * multiple independent authentication contexts. (Eg, you are
  43  * connecting to a server and authenticating as two different users at
  44  * different times; the easiest way to ensure that each #SoupMessage
  45  * is sent with the authentication information you intended is to use
  46  * one session for the first user, and a second session for the other
  47  * user.)
  48  *
  49  * #SoupSession itself is an abstract class, with two subclasses. If
  50  * you are using the glib main loop, you will generally want to use
  51  * #SoupSessionAsync, which uses non-blocking I/O and callbacks. On
  52  * the other hand, if your application is threaded and you want to do
  53  * synchronous I/O in a separate thread from the UI, use
  54  * #SoupSessionSync.
  55  **/
  56
  57 typedef struct {
  58         SoupURI    *root_uri;
  59
  60         GSList     *connections;      /* CONTAINS: SoupConnection */
  61         guint       num_conns;
  62
  63         GHashTable *auth_realms;      /* path -> scheme:realm */
  64         GHashTable *auths;            /* scheme:realm -> SoupAuth */
  65 } SoupSessionHost;
  66
  67 typedef struct {
  68         SoupURI *proxy_uri;
  69         SoupAuth *proxy_auth;
  70
  71         char *ssl_ca_file;
  72         SoupSSLCredentials *ssl_creds;
  73
  74         SoupMessageQueue *queue;
  75
  76         char *user_agent;
  77
  78         SoupAuthManager *auth_manager;
  79         SoupAuthManagerNTLM *ntlm_manager;
  80
  81         GHashTable *hosts; /* SoupURI -> SoupSessionHost */
  82         GHashTable *conns; /* SoupConnection -> SoupSessionHost */
  83         guint num_conns;
  84         guint max_conns, max_conns_per_host;
  85         guint io_timeout, idle_timeout;
  86
  87         /* Must hold the host_lock before potentially creating a
  88          * new SoupSessionHost, or adding/removing a connection.
  89          * Must not emit signals or destroy objects while holding it.
  90          */
  91         GMutex *host_lock;
  92
  93         GMainContext *async_context;
  94 } SoupSessionPrivate;
  95 #define SOUP_SESSION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SOUP_TYPE_SESSION, SoupSessionPrivate))
  96
  97 static void     free_host      (SoupSessionHost *host);
  98
  99 static void queue_message   (SoupSession *session, SoupMessage *msg,
 100                              SoupSessionCallback callback, gpointer user_data);
 101 static void requeue_message (SoupSession *session, SoupMessage *msg);
 102 static void cancel_message  (SoupSession *session, SoupMessage *msg,
 103                              guint status_code);
 104
 105 /* temporary until we fix this to index hosts by SoupAddress */
 106 extern guint     soup_uri_host_hash  (gconstpointer  key);
 107 extern gboolean  soup_uri_host_equal (gconstpointer  v1,
 108                                       gconstpointer  v2);
 109 extern SoupURI  *soup_uri_copy_root  (SoupURI *uri);
 110
 111 #define SOUP_SESSION_MAX_CONNS_DEFAULT 10
 112 #define SOUP_SESSION_MAX_CONNS_PER_HOST_DEFAULT 2
 113
 114 #define SOUP_SESSION_USER_AGENT_BASE "libsoup/" PACKAGE_VERSION
 115
 116 G_DEFINE_TYPE (SoupSession, soup_session, G_TYPE_OBJECT)
 117
 118 enum {
 119         REQUEST_QUEUED,
 120         REQUEST_STARTED,
 121         REQUEST_UNQUEUED,
 122         AUTHENTICATE,
 123         LAST_SIGNAL
 124 };
 125
 126 static guint signals[LAST_SIGNAL] = { 0 };
 127
 128 enum {
 129         PROP_0,
 130
 131         PROP_PROXY_URI,
 132         PROP_MAX_CONNS,
 133         PROP_MAX_CONNS_PER_HOST,
 134         PROP_USE_NTLM,
 135         PROP_SSL_CA_FILE,
 136         PROP_ASYNC_CONTEXT,
 137         PROP_TIMEOUT,
 138         PROP_USER_AGENT,
 139         PROP_IDLE_TIMEOUT,
 140
 141         LAST_PROP
 142 };
 143
 144 static void set_property (GObject *object, guint prop_id,
 145                           const GValue *value, GParamSpec *pspec);
 146 static void get_property (GObject *object, guint prop_id,
 147                           GValue *value, GParamSpec *pspec);
 148
 149 static void
 150 soup_session_init (SoupSession *session)
 151 {
 152         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 153
 154         priv->queue = soup_message_queue_new ();
 155
 156         priv->host_lock = g_mutex_new ();
 157         priv->hosts = g_hash_table_new (soup_uri_host_hash,
 158                                         soup_uri_host_equal);
 159         priv->conns = g_hash_table_new (NULL, NULL);
 160
 161         priv->max_conns = SOUP_SESSION_MAX_CONNS_DEFAULT;
 162         priv->max_conns_per_host = SOUP_SESSION_MAX_CONNS_PER_HOST_DEFAULT;
 163
 164         priv->auth_manager = soup_auth_manager_new (session);
 165         soup_auth_manager_add_type (priv->auth_manager, SOUP_TYPE_AUTH_BASIC);
 166         soup_auth_manager_add_type (priv->auth_manager, SOUP_TYPE_AUTH_DIGEST);
 167 }
 168
 169 static gboolean
 170 foreach_free_host (gpointer key, gpointer host, gpointer data)
 171 {
 172         free_host (host);
 173         return TRUE;
 174 }
 175
 176 static void
 177 cleanup_hosts (SoupSessionPrivate *priv)
 178 {
 179         GHashTable *old_hosts;
 180
 181         g_mutex_lock (priv->host_lock);
 182         old_hosts = priv->hosts;
 183         priv->hosts = g_hash_table_new (soup_uri_host_hash,
 184                                         soup_uri_host_equal);
 185         g_mutex_unlock (priv->host_lock);
 186
 187         g_hash_table_foreach_remove (old_hosts, foreach_free_host, NULL);
 188         g_hash_table_destroy (old_hosts);
 189 }
 190
 191 static void
 192 dispose (GObject *object)
 193 {
 194         SoupSession *session = SOUP_SESSION (object);
 195         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 196
 197         soup_session_abort (session);
 198         cleanup_hosts (priv);
 199
 200         G_OBJECT_CLASS (soup_session_parent_class)->dispose (object);
 201 }
 202
 203 static void
 204 finalize (GObject *object)
 205 {
 206         SoupSession *session = SOUP_SESSION (object);
 207         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 208
 209         soup_message_queue_destroy (priv->queue);
 210
 211         g_mutex_free (priv->host_lock);
 212         g_hash_table_destroy (priv->hosts);
 213         g_hash_table_destroy (priv->conns);
 214
 215         g_free (priv->user_agent);
 216
 217         soup_auth_manager_free (priv->auth_manager);
 218         if (priv->ntlm_manager)
 219                 soup_auth_manager_ntlm_free (priv->ntlm_manager);
 220
 221         if (priv->proxy_uri)
 222                 soup_uri_free (priv->proxy_uri);
 223
 224         if (priv->ssl_creds)
 225                 soup_ssl_free_client_credentials (priv->ssl_creds);
 226
 227         if (priv->async_context)
 228                 g_main_context_unref (priv->async_context);
 229
 230         G_OBJECT_CLASS (soup_session_parent_class)->finalize (object);
 231 }
 232
 233 static void
 234 soup_session_class_init (SoupSessionClass *session_class)
 235 {
 236         GObjectClass *object_class = G_OBJECT_CLASS (session_class);
 237
 238         g_type_class_add_private (session_class, sizeof (SoupSessionPrivate));
 239
 240         /* virtual method definition */
 241         session_class->queue_message = queue_message;
 242         session_class->requeue_message = requeue_message;
 243         session_class->cancel_message = cancel_message;
 244
 245         /* virtual method override */
 246         object_class->dispose = dispose;
 247         object_class->finalize = finalize;
 248         object_class->set_property = set_property;
 249         object_class->get_property = get_property;
 250
 251         /* signals */
 252
 253         /**
 254          * SoupSession::request-queued:
 255          * @session: the session
 256          * @msg: the request that was queued
 257          *
 258          * Emitted when a request is queued on @session. (Note that
 259          * "queued" doesn't just mean soup_session_queue_message();
 260          * soup_session_send_message() implicitly queues the message
 261          * as well.)
 262          *
 263          * When sending a request, first #SoupSession::request_queued
 264          * is emitted, indicating that the session has become aware of
 265          * the request.
 266          *
 267          * Once a connection is available to send the request on, the
 268          * session emits #SoupSession::request_started. Then, various
 269          * #SoupMessage signals are emitted as the message is
 270          * processed. If the message is requeued, it will emit
 271          * #SoupMessage::restarted, which will then be followed by
 272          * another #SoupSession::request_started and another set of
 273          * #SoupMessage signals when the message is re-sent.
 274          *
 275          * Eventually, the message will emit #SoupMessage::finished.
 276          * Normally, this signals the completion of message
 277          * processing. However, it is possible that the application
 278          * will requeue the message from the "finished" handler (or
 279          * equivalently, from the soup_session_queue_message()
 280          * callback). In that case, the process will loop back to
 281          * #SoupSession::request_started.
 282          *
 283          * Eventually, a message will reach "finished" and not be
 284          * requeued. At that point, the session will emit
 285          * #SoupSession::request_unqueued to indicate that it is done
 286          * with the message.
 287          *
 288          * To sum up: #SoupSession::request_queued and
 289          * #SoupSession::request_unqueued are guaranteed to be emitted
 290          * exactly once, but #SoupSession::request_started and
 291          * #SoupMessage::finished (and all of the other #SoupMessage
 292          * signals) may be invoked multiple times for a given message.
 293          **/
 294         signals[REQUEST_QUEUED] =
 295                 g_signal_new ("request-queued",
 296                               G_OBJECT_CLASS_TYPE (object_class),
 297                               G_SIGNAL_RUN_FIRST,
 298                               0, /* FIXME? */
 299                               NULL, NULL,
 300                               soup_marshal_NONE__OBJECT,
 301                               G_TYPE_NONE, 1,
 302                               SOUP_TYPE_MESSAGE);
 303
 304         /**
 305          * SoupSession::request-started:
 306          * @session: the session
 307          * @msg: the request being sent
 308          * @socket: the socket the request is being sent on
 309          *
 310          * Emitted just before a request is sent. See
 311          * #SoupSession::request_queued for a detailed description of
 312          * the message lifecycle within a session.
 313          **/
 314         signals[REQUEST_STARTED] =
 315                 g_signal_new ("request-started",
 316                               G_OBJECT_CLASS_TYPE (object_class),
 317                               G_SIGNAL_RUN_FIRST,
 318                               G_STRUCT_OFFSET (SoupSessionClass, request_started),
 319                               NULL, NULL,
 320                               soup_marshal_NONE__OBJECT_OBJECT,
 321                               G_TYPE_NONE, 2,
 322                               SOUP_TYPE_MESSAGE,
 323                               SOUP_TYPE_SOCKET);
 324
 325         /**
 326          * SoupSession::request-unqueued:
 327          * @session: the session
 328          * @msg: the request that was unqueued
 329          *
 330          * Emitted when a request is removed from @session's queue,
 331          * indicating that @session is done with it. See
 332          * #SoupSession::request_queued for a detailed description of the
 333          * message lifecycle within a session.
 334          **/
 335         signals[REQUEST_UNQUEUED] =
 336                 g_signal_new ("request-unqueued",
 337                               G_OBJECT_CLASS_TYPE (object_class),
 338                               G_SIGNAL_RUN_FIRST,
 339                               0, /* FIXME? */
 340                               NULL, NULL,
 341                               soup_marshal_NONE__OBJECT,
 342                               G_TYPE_NONE, 1,
 343                               SOUP_TYPE_MESSAGE);
 344
 345         /**
 346          * SoupSession::authenticate:
 347          * @session: the session
 348          * @msg: the #SoupMessage being sent
 349          * @auth: the #SoupAuth to authenticate
 350          * @retrying: %TRUE if this is the second (or later) attempt
 351          *
 352          * Emitted when the session requires authentication. If
 353          * credentials are available call soup_auth_authenticate() on
 354          * @auth. If these credentials fail, the signal will be
 355          * emitted again, with @retrying set to %TRUE, which will
 356          * continue until you return without calling
 357          * soup_auth_authenticate() on @auth.
 358          *
 359          * Note that this may be emitted before @msg's body has been
 360          * fully read.
 361          *
 362          * If you call soup_session_pause_message() on @msg before
 363          * returning, then you can authenticate @auth asynchronously
 364          * (as long as you g_object_ref() it to make sure it doesn't
 365          * get destroyed), and then unpause @msg when you are ready
 366          * for it to continue.
 367          **/
 368         signals[AUTHENTICATE] =
 369                 g_signal_new ("authenticate",
 370                               G_OBJECT_CLASS_TYPE (object_class),
 371                               G_SIGNAL_RUN_FIRST,
 372                               G_STRUCT_OFFSET (SoupSessionClass, authenticate),
 373                               NULL, NULL,
 374                               soup_marshal_NONE__OBJECT_OBJECT_BOOLEAN,
 375                               G_TYPE_NONE, 3,
 376                               SOUP_TYPE_MESSAGE,
 377                               SOUP_TYPE_AUTH,
 378                               G_TYPE_BOOLEAN);
 379
 380         /* properties */
 381         g_object_class_install_property (
 382                 object_class, PROP_PROXY_URI,
 383                 g_param_spec_boxed (SOUP_SESSION_PROXY_URI,
 384                                     "Proxy URI",
 385                                     "The HTTP Proxy to use for this session",
 386                                     SOUP_TYPE_URI,
 387                                     G_PARAM_READWRITE));
 388         g_object_class_install_property (
 389                 object_class, PROP_MAX_CONNS,
 390                 g_param_spec_int (SOUP_SESSION_MAX_CONNS,
 391                                   "Max Connection Count",
 392                                   "The maximum number of connections that the session can open at once",
 393                                   1,
 394                                   G_MAXINT,
 395                                   SOUP_SESSION_MAX_CONNS_DEFAULT,
 396                                   G_PARAM_READWRITE));
 397         g_object_class_install_property (
 398                 object_class, PROP_MAX_CONNS_PER_HOST,
 399                 g_param_spec_int (SOUP_SESSION_MAX_CONNS_PER_HOST,
 400                                   "Max Per-Host Connection Count",
 401                                   "The maximum number of connections that the session can open at once to a given host",
 402                                   1,
 403                                   G_MAXINT,
 404                                   SOUP_SESSION_MAX_CONNS_PER_HOST_DEFAULT,
 405                                   G_PARAM_READWRITE));
 406         g_object_class_install_property (
 407                 object_class, PROP_IDLE_TIMEOUT,
 408                 g_param_spec_uint (SOUP_SESSION_IDLE_TIMEOUT,
 409                                    "Idle Timeout",
 410                                    "Connection lifetime when idle",
 411                                    0, G_MAXUINT, 0,
 412                                    G_PARAM_READWRITE));
 413         g_object_class_install_property (
 414                 object_class, PROP_USE_NTLM,
 415                 g_param_spec_boolean (SOUP_SESSION_USE_NTLM,
 416                                       "Use NTLM",
 417                                       "Whether or not to use NTLM authentication",
 418                                       FALSE,
 419                                       G_PARAM_READWRITE));
 420         g_object_class_install_property (
 421                 object_class, PROP_SSL_CA_FILE,
 422                 g_param_spec_string (SOUP_SESSION_SSL_CA_FILE,
 423                                      "SSL CA file",
 424                                      "File containing SSL CA certificates",
 425                                      NULL,
 426                                      G_PARAM_READWRITE));
 427         g_object_class_install_property (
 428                 object_class, PROP_ASYNC_CONTEXT,
 429                 g_param_spec_pointer (SOUP_SESSION_ASYNC_CONTEXT,
 430                                       "Async GMainContext",
 431                                       "The GMainContext to dispatch async I/O in",
 432                                       G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
 433         g_object_class_install_property (
 434                 object_class, PROP_TIMEOUT,
 435                 g_param_spec_uint (SOUP_SESSION_TIMEOUT,
 436                                    "Timeout value",
 437                                    "Value in seconds to timeout a blocking I/O",
 438                                    0, G_MAXUINT, 0,
 439                                    G_PARAM_READWRITE));
 440
 441         /**
 442          * SoupSession:user-agent:
 443          *
 444          * If non-%NULL, the value to use for the "User-Agent" header
 445          * on #SoupMessage<!-- -->s sent from this session.
 446          *
 447          * RFC 2616 says: "The User-Agent request-header field
 448          * contains information about the user agent originating the
 449          * request. This is for statistical purposes, the tracing of
 450          * protocol violations, and automated recognition of user
 451          * agents for the sake of tailoring responses to avoid
 452          * particular user agent limitations. User agents SHOULD
 453          * include this field with requests."
 454          *
 455          * The User-Agent header contains a list of one or more
 456          * product tokens, separated by whitespace, with the most
 457          * significant product token coming first. The tokens must be
 458          * brief, ASCII, and mostly alphanumeric (although "-", "_",
 459          * and "." are also allowed), and may optionally include a "/"
 460          * followed by a version string. You may also put comments,
 461          * enclosed in parentheses, between or after the tokens.
 462          *
 463          * If you set a %user_agent property that has trailing
 464          * whitespace, #SoupSession will append its own product token
 465          * (eg, "<literal>libsoup/2.3.2</literal>") to the end of the
 466          * header for you.
 467          **/
 468         g_object_class_install_property (
 469                 object_class, PROP_USER_AGENT,
 470                 g_param_spec_string (SOUP_SESSION_USER_AGENT,
 471                                      "User-Agent string",
 472                                      "User-Agent string",
 473                                      NULL,
 474                                      G_PARAM_READWRITE));
 475 }
 476
 477 static gboolean
 478 safe_uri_equal (SoupURI *a, SoupURI *b)
 479 {
 480         if (!a && !b)
 481                 return TRUE;
 482
 483         if ((a && !b) || (b && !a))
 484                 return FALSE;
 485
 486         return soup_uri_equal (a, b);
 487 }
 488
 489 static gboolean
 490 safe_str_equal (const char *a, const char *b)
 491 {
 492         if (!a && !b)
 493                 return TRUE;
 494
 495         if ((a && !b) || (b && !a))
 496                 return FALSE;
 497
 498         return strcmp (a, b) == 0;
 499 }
 500
 501 static void
 502 set_property (GObject *object, guint prop_id,
 503               const GValue *value, GParamSpec *pspec)
 504 {
 505         SoupSession *session = SOUP_SESSION (object);
 506         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 507         SoupURI *uri;
 508         gboolean need_abort = FALSE;
 509         gboolean ca_file_changed = FALSE;
 510         const char *new_ca_file, *user_agent;
 511
 512         switch (prop_id) {
 513         case PROP_PROXY_URI:
 514                 uri = g_value_get_boxed (value);
 515
 516                 if (!safe_uri_equal (priv->proxy_uri, uri))
 517                         need_abort = TRUE;
 518
 519                 if (priv->proxy_uri)
 520                         soup_uri_free (priv->proxy_uri);
 521
 522                 priv->proxy_uri = uri ? soup_uri_copy (uri) : NULL;
 523
 524                 if (need_abort) {
 525                         soup_session_abort (session);
 526                         cleanup_hosts (priv);
 527                 }
 528
 529                 break;
 530         case PROP_MAX_CONNS:
 531                 priv->max_conns = g_value_get_int (value);
 532                 break;
 533         case PROP_MAX_CONNS_PER_HOST:
 534                 priv->max_conns_per_host = g_value_get_int (value);
 535                 break;
 536         case PROP_USE_NTLM:
 537                 if (g_value_get_boolean (value)) {
 538                         if (!priv->ntlm_manager)
 539                                 priv->ntlm_manager = soup_auth_manager_ntlm_new (session);
 540                 } else {
 541                         if (priv->ntlm_manager) {
 542                                 soup_auth_manager_ntlm_free (priv->ntlm_manager);
 543                                 priv->ntlm_manager = NULL;
 544                         }
 545                 }
 546                 break;
 547         case PROP_SSL_CA_FILE:
 548                 new_ca_file = g_value_get_string (value);
 549
 550                 if (!safe_str_equal (priv->ssl_ca_file, new_ca_file))
 551                         ca_file_changed = TRUE;
 552
 553                 g_free (priv->ssl_ca_file);
 554                 priv->ssl_ca_file = g_strdup (new_ca_file);
 555
 556                 if (ca_file_changed) {
 557                         if (priv->ssl_creds) {
 558                                 soup_ssl_free_client_credentials (priv->ssl_creds);
 559                                 priv->ssl_creds = NULL;
 560                         }
 561
 562                         cleanup_hosts (priv);
 563                 }
 564
 565                 break;
 566         case PROP_ASYNC_CONTEXT:
 567                 priv->async_context = g_value_get_pointer (value);
 568                 if (priv->async_context)
 569                         g_main_context_ref (priv->async_context);
 570                 break;
 571         case PROP_TIMEOUT:
 572                 priv->io_timeout = g_value_get_uint (value);
 573                 break;
 574         case PROP_USER_AGENT:
 575                 g_free (priv->user_agent);
 576                 user_agent = g_value_get_string (value);
 577                 if (!user_agent)
 578                         priv->user_agent = NULL;
 579                 else if (!*user_agent) {
 580                         priv->user_agent =
 581                                 g_strdup (SOUP_SESSION_USER_AGENT_BASE);
 582                 } else if (g_str_has_suffix (user_agent, " ")) {
 583                         priv->user_agent =
 584                                 g_strdup_printf ("%s%s", user_agent,
 585                                                  SOUP_SESSION_USER_AGENT_BASE);
 586                 } else
 587                         priv->user_agent = g_strdup (user_agent);
 588                 break;
 589         case PROP_IDLE_TIMEOUT:
 590                 priv->idle_timeout = g_value_get_uint (value);
 591                 break;
 592         default:
 593                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 594                 break;
 595         }
 596 }
 597
 598 static void
 599 get_property (GObject *object, guint prop_id,
 600               GValue *value, GParamSpec *pspec)
 601 {
 602         SoupSession *session = SOUP_SESSION (object);
 603         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 604
 605         switch (prop_id) {
 606         case PROP_PROXY_URI:
 607                 g_value_set_boxed (value, priv->proxy_uri);
 608                 break;
 609         case PROP_MAX_CONNS:
 610                 g_value_set_int (value, priv->max_conns);
 611                 break;
 612         case PROP_MAX_CONNS_PER_HOST:
 613                 g_value_set_int (value, priv->max_conns_per_host);
 614                 break;
 615         case PROP_USE_NTLM:
 616                 g_value_set_boolean (value, priv->ntlm_manager != NULL);
 617                 break;
 618         case PROP_SSL_CA_FILE:
 619                 g_value_set_string (value, priv->ssl_ca_file);
 620                 break;
 621         case PROP_ASYNC_CONTEXT:
 622                 g_value_set_pointer (value, priv->async_context ? g_main_context_ref (priv->async_context) : NULL);
 623                 break;
 624         case PROP_TIMEOUT:
 625                 g_value_set_uint (value, priv->io_timeout);
 626                 break;
 627         case PROP_USER_AGENT:
 628                 g_value_set_string (value, priv->user_agent);
 629                 break;
 630         case PROP_IDLE_TIMEOUT:
 631                 g_value_set_uint (value, priv->idle_timeout);
 632                 break;
 633         default:
 634                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 635                 break;
 636         }
 637 }
 638
 639
 640 /**
 641  * soup_session_get_async_context:
 642  * @session: a #SoupSession
 643  *
 644  * Gets @session's async_context. This does not add a ref to the
 645  * context, so you will need to ref it yourself if you want it to
 646  * outlive its session.
 647  *
 648  * Return value: @session's #GMainContext, which may be %NULL
 649  **/
 650 GMainContext *
 651 soup_session_get_async_context (SoupSession *session)
 652 {
 653         SoupSessionPrivate *priv;
 654
 655         g_return_val_if_fail (SOUP_IS_SESSION (session), NULL);
 656         priv = SOUP_SESSION_GET_PRIVATE (session);
 657
 658         return priv->async_context;
 659 }
 660
 661 /* Hosts */
 662
 663 static SoupSessionHost *
 664 soup_session_host_new (SoupSession *session, SoupURI *source_uri)
 665 {
 666         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 667         SoupSessionHost *host;
 668
 669         host = g_slice_new0 (SoupSessionHost);
 670         host->root_uri = soup_uri_copy_root (source_uri);
 671
 672         if (host->root_uri->scheme == SOUP_URI_SCHEME_HTTPS &&
 673             !priv->ssl_creds) {
 674                 priv->ssl_creds =
 675                         soup_ssl_get_client_credentials (priv->ssl_ca_file);
 676         }
 677
 678         return host;
 679 }
 680
 681 /* Note: get_host_for_message doesn't lock the host_lock. The caller
 682  * must do it itself if there's a chance the host doesn't already
 683  * exist.
 684  */
 685 static SoupSessionHost *
 686 get_host_for_message (SoupSession *session, SoupMessage *msg)
 687 {
 688         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 689         SoupSessionHost *host;
 690         SoupURI *source = soup_message_get_uri (msg);
 691
 692         host = g_hash_table_lookup (priv->hosts, source);
 693         if (host)
 694                 return host;
 695
 696         host = soup_session_host_new (session, source);
 697         g_hash_table_insert (priv->hosts, host->root_uri, host);
 698
 699         return host;
 700 }
 701
 702 static void
 703 free_host (SoupSessionHost *host)
 704 {
 705         while (host->connections) {
 706                 SoupConnection *conn = host->connections->data;
 707
 708                 host->connections = g_slist_remove (host->connections, conn);
 709                 soup_connection_disconnect (conn);
 710         }
 711
 712         soup_uri_free (host->root_uri);
 713         g_slice_free (SoupSessionHost, host);
 714 }
 715
 716 void
 717 soup_session_emit_authenticate (SoupSession *session, SoupMessage *msg,
 718                                 SoupAuth *auth, gboolean retrying)
 719 {
 720         g_signal_emit (session, signals[AUTHENTICATE], 0, msg, auth, retrying);
 721 }
 722
 723 static void
 724 redirect_handler (SoupMessage *msg, gpointer user_data)
 725 {
 726         SoupSession *session = user_data;
 727         const char *new_loc;
 728         SoupURI *new_uri;
 729
 730         new_loc = soup_message_headers_get (msg->response_headers, "Location");
 731         g_return_if_fail (new_loc != NULL);
 732
 733         if (msg->status_code == SOUP_STATUS_MOVED_PERMANENTLY ||
 734             msg->status_code == SOUP_STATUS_TEMPORARY_REDIRECT) {
 735                 /* Don't redirect non-safe methods */
 736                 if (msg->method != SOUP_METHOD_GET &&
 737                     msg->method != SOUP_METHOD_HEAD &&
 738                     msg->method != SOUP_METHOD_OPTIONS &&
 739                     msg->method != SOUP_METHOD_PROPFIND)
 740                         return;
 741         } else if (msg->status_code == SOUP_STATUS_SEE_OTHER ||
 742                    msg->status_code == SOUP_STATUS_FOUND) {
 743                 /* Redirect using a GET */
 744                 g_object_set (msg,
 745                               SOUP_MESSAGE_METHOD, SOUP_METHOD_GET,
 746                               NULL);
 747                 soup_message_set_request (msg, NULL,
 748                                           SOUP_MEMORY_STATIC, NULL, 0);
 749                 soup_message_headers_set_encoding (msg->request_headers,
 750                                                    SOUP_ENCODING_NONE);
 751         } else {
 752                 /* Three possibilities:
 753                  *
 754                  *   1) This was a non-3xx response that happened to
 755                  *      have a "Location" header
 756                  *   2) It's a non-redirecty 3xx response (300, 304,
 757                  *      305, 306)
 758                  *   3) It's some newly-defined 3xx response (308+)
 759                  *
 760                  * We ignore all of these cases. In the first two,
 761                  * redirecting would be explicitly wrong, and in the
 762                  * last case, we have no clue if the 3xx response is
 763                  * supposed to be redirecty or non-redirecty. Plus,
 764                  * 2616 says unrecognized status codes should be
 765                  * treated as the equivalent to the x00 code, and we
 766                  * don't redirect on 300, so therefore we shouldn't
 767                  * redirect on 308+ either.
 768                  */
 769                 return;
 770         }
 771
 772         /* Location is supposed to be an absolute URI, but some sites
 773          * are lame, so we use soup_uri_new_with_base().
 774          */
 775         new_uri = soup_uri_new_with_base (soup_message_get_uri (msg), new_loc);
 776         if (!new_uri) {
 777                 soup_message_set_status_full (msg,
 778                                               SOUP_STATUS_MALFORMED,
 779                                               "Invalid Redirect URL");
 780                 return;
 781         }
 782
 783         soup_message_set_uri (msg, new_uri);
 784         soup_uri_free (new_uri);
 785
 786         soup_session_requeue_message (session, msg);
 787 }
 788
 789 static void
 790 connection_started_request (SoupConnection *conn, SoupMessage *msg,
 791                             gpointer data)
 792 {
 793         SoupSession *session = data;
 794         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 795
 796         if (priv->user_agent) {
 797                 soup_message_headers_replace (msg->request_headers,
 798                                               "User-Agent", priv->user_agent);
 799         }
 800
 801         /* Kludge to deal with the fact that CONNECT msgs come from the
 802          * SoupConnection rather than being queued normally.
 803          */
 804         if (msg->method == SOUP_METHOD_CONNECT)
 805                 g_signal_emit (session, signals[REQUEST_QUEUED], 0, msg);
 806
 807         g_signal_emit (session, signals[REQUEST_STARTED], 0,
 808                        msg, soup_connection_get_socket (conn));
 809 }
 810
 811 static void
 812 find_oldest_connection (gpointer key, gpointer host, gpointer data)
 813 {
 814         SoupConnection *conn = key, **oldest = data;
 815
 816         /* Don't prune a connection that is currently in use, or
 817          * hasn't been used yet.
 818          */
 819         if (soup_connection_is_in_use (conn) ||
 820             soup_connection_last_used (conn) == 0)
 821                 return;
 822
 823         if (!*oldest || (soup_connection_last_used (conn) <
 824                          soup_connection_last_used (*oldest)))
 825                 *oldest = conn;
 826 }
 827
 828 /**
 829  * soup_session_try_prune_connection:
 830  * @session: a #SoupSession
 831  *
 832  * Finds the least-recently-used idle connection in @session and closes
 833  * it.
 834  *
 835  * Return value: %TRUE if a connection was closed, %FALSE if there are
 836  * no idle connections.
 837  **/
 838 gboolean
 839 soup_session_try_prune_connection (SoupSession *session)
 840 {
 841         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 842         SoupConnection *oldest = NULL;
 843
 844         g_mutex_lock (priv->host_lock);
 845         g_hash_table_foreach (priv->conns, find_oldest_connection,
 846                               &oldest);
 847         if (oldest) {
 848                 /* Ref the connection before unlocking the mutex in
 849                  * case someone else tries to prune it too.
 850                  */
 851                 g_object_ref (oldest);
 852                 g_mutex_unlock (priv->host_lock);
 853                 soup_connection_disconnect (oldest);
 854                 g_object_unref (oldest);
 855                 return TRUE;
 856         } else {
 857                 g_mutex_unlock (priv->host_lock);
 858                 return FALSE;
 859         }
 860 }
 861
 862 static void
 863 connection_disconnected (SoupConnection *conn, gpointer user_data)
 864 {
 865         SoupSession *session = user_data;
 866         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 867         SoupSessionHost *host;
 868
 869         g_mutex_lock (priv->host_lock);
 870
 871         host = g_hash_table_lookup (priv->conns, conn);
 872         if (host) {
 873                 g_hash_table_remove (priv->conns, conn);
 874                 host->connections = g_slist_remove (host->connections, conn);
 875                 host->num_conns--;
 876         }
 877
 878         g_signal_handlers_disconnect_by_func (conn, connection_disconnected, session);
 879         priv->num_conns--;
 880
 881         g_mutex_unlock (priv->host_lock);
 882         g_object_unref (conn);
 883 }
 884
 885 static void
 886 connect_result (SoupConnection *conn, guint status, gpointer user_data)
 887 {
 888         SoupSession *session = user_data;
 889         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 890         SoupSessionHost *host;
 891         SoupMessageQueueIter iter;
 892         SoupMessage *msg;
 893
 894         g_mutex_lock (priv->host_lock);
 895
 896         host = g_hash_table_lookup (priv->conns, conn);
 897         if (!host) {
 898                 g_mutex_unlock (priv->host_lock);
 899                 return;
 900         }
 901
 902         if (status == SOUP_STATUS_OK) {
 903                 soup_connection_reserve (conn);
 904                 host->connections = g_slist_prepend (host->connections, conn);
 905                 g_mutex_unlock (priv->host_lock);
 906                 return;
 907         }
 908
 909         /* The connection failed. */
 910         g_mutex_unlock (priv->host_lock);
 911         connection_disconnected (conn, session);
 912
 913         if (host->connections) {
 914                 /* Something went wrong this time, but we have at
 915                  * least one open connection to this host. So just
 916                  * leave the message in the queue so it can use that
 917                  * connection once it's free.
 918                  */
 919                 return;
 920         }
 921
 922         /* There are two possibilities: either status is
 923          * SOUP_STATUS_TRY_AGAIN, in which case the session implementation
 924          * will create a new connection (and all we need to do here
 925          * is downgrade the message from CONNECTING to QUEUED); or
 926          * status is something else, probably CANT_CONNECT or
 927          * CANT_RESOLVE or the like, in which case we need to cancel
 928          * any messages waiting for this host, since they're out
 929          * of luck.
 930          */
 931         for (msg = soup_message_queue_first (priv->queue, &iter); msg; msg = soup_message_queue_next (priv->queue, &iter)) {
 932                 if (get_host_for_message (session, msg) == host) {
 933                         if (status == SOUP_STATUS_TRY_AGAIN) {
 934                                 if (soup_message_get_io_status (msg) == SOUP_MESSAGE_IO_STATUS_CONNECTING)
 935                                         soup_message_set_io_status (msg, SOUP_MESSAGE_IO_STATUS_QUEUED);
 936                         } else {
 937                                 soup_session_cancel_message (session, msg,
 938                                                              status);
 939                         }
 940                 }
 941         }
 942 }
 943
 944 /**
 945  * soup_session_get_connection:
 946  * @session: a #SoupSession
 947  * @msg: a #SoupMessage
 948  * @try_pruning: on return, whether or not to try pruning a connection
 949  * @is_new: on return, %TRUE if the returned connection is new and not
 950  * yet connected
 951  *
 952  * Tries to find or create a connection for @msg; this is an internal
 953  * method for #SoupSession subclasses.
 954  *
 955  * If there is an idle connection to the relevant host available, then
 956  * that connection will be returned (with *@is_new set to %FALSE). The
 957  * connection will be marked "reserved", so the caller must call
 958  * soup_connection_release() if it ends up not using the connection
 959  * right away.
 960  *
 961  * If there is no idle connection available, but it is possible to
 962  * create a new connection, then one will be created and returned,
 963  * with *@is_new set to %TRUE. The caller MUST then call
 964  * soup_connection_connect_sync() or soup_connection_connect_async()
 965  * to connect it. If the connection attempt succeeds, the connection
 966  * will be marked "reserved" and added to @session's connection pool
 967  * once it connects. If the connection attempt fails, the connection
 968  * will be unreffed.
 969  *
 970  * If no connection is available and a new connection cannot be made,
 971  * soup_session_get_connection() will return %NULL. If @session has
 972  * the maximum number of open connections open, but does not have the
 973  * maximum number of per-host connections open to the relevant host,
 974  * then *@try_pruning will be set to %TRUE. In this case, the caller
 975  * can call soup_session_try_prune_connection() to close an idle
 976  * connection, and then try soup_session_get_connection() again. (If
 977  * calling soup_session_try_prune_connection() wouldn't help, then
 978  * *@try_pruning is left untouched; it is NOT set to %FALSE.)
 979  *
 980  * Return value: a #SoupConnection, or %NULL
 981  **/
 982 SoupConnection *
 983 soup_session_get_connection (SoupSession *session, SoupMessage *msg,
 984                              gboolean *try_pruning, gboolean *is_new)
 985 {
 986         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
 987         SoupConnection *conn;
 988         SoupSessionHost *host;
 989         GSList *conns;
 990
 991         g_mutex_lock (priv->host_lock);
 992
 993         host = get_host_for_message (session, msg);
 994         for (conns = host->connections; conns; conns = conns->next) {
 995                 if (!soup_connection_is_in_use (conns->data)) {
 996                         soup_connection_reserve (conns->data);
 997                         g_mutex_unlock (priv->host_lock);
 998                         *is_new = FALSE;
 999                         return conns->data;
1000                 }
1001         }
1002
1003         if (soup_message_get_io_status (msg) == SOUP_MESSAGE_IO_STATUS_CONNECTING) {
1004                 /* We already started a connection for this
1005                  * message, so don't start another one.
1006                  */
1007                 g_mutex_unlock (priv->host_lock);
1008                 return NULL;
1009         }
1010
1011         if (host->num_conns >= priv->max_conns_per_host) {
1012                 g_mutex_unlock (priv->host_lock);
1013                 return NULL;
1014         }
1015
1016         if (priv->num_conns >= priv->max_conns) {
1017                 *try_pruning = TRUE;
1018                 g_mutex_unlock (priv->host_lock);
1019                 return NULL;
1020         }
1021
1022         conn = soup_connection_new (
1023                 SOUP_CONNECTION_ORIGIN_URI, host->root_uri,
1024                 SOUP_CONNECTION_PROXY_URI, priv->proxy_uri,
1025                 SOUP_CONNECTION_SSL_CREDENTIALS, priv->ssl_creds,
1026                 SOUP_CONNECTION_ASYNC_CONTEXT, priv->async_context,
1027                 SOUP_CONNECTION_TIMEOUT, priv->io_timeout,
1028                 SOUP_CONNECTION_IDLE_TIMEOUT, priv->idle_timeout,
1029                 NULL);
1030         g_signal_connect (conn, "connect_result",
1031                           G_CALLBACK (connect_result),
1032                           session);
1033         g_signal_connect (conn, "disconnected",
1034                           G_CALLBACK (connection_disconnected),
1035                           session);
1036         g_signal_connect (conn, "request_started",
1037                           G_CALLBACK (connection_started_request),
1038                           session);
1039
1040         g_hash_table_insert (priv->conns, conn, host);
1041
1042         /* We increment the connection counts so it counts against the
1043          * totals, but we don't add it to the host's connection list
1044          * yet, since it's not ready for use.
1045          */
1046         priv->num_conns++;
1047         host->num_conns++;
1048
1049         /* Mark the request as connecting, so we don't try to open
1050          * another new connection for it while waiting for this one.
1051          */
1052         soup_message_set_io_status (msg, SOUP_MESSAGE_IO_STATUS_CONNECTING);
1053
1054         g_mutex_unlock (priv->host_lock);
1055         *is_new = TRUE;
1056         return conn;
1057 }
1058
1059 SoupMessageQueue *
1060 soup_session_get_queue (SoupSession *session)
1061 {
1062         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
1063
1064         return priv->queue;
1065 }
1066
1067 static void
1068 message_finished (SoupMessage *msg, gpointer user_data)
1069 {
1070         SoupSession *session = user_data;
1071         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
1072
1073         if (!SOUP_MESSAGE_IS_STARTING (msg)) {
1074                 soup_message_queue_remove_message (priv->queue, msg);
1075                 g_signal_handlers_disconnect_by_func (msg, message_finished, session);
1076                 g_signal_handlers_disconnect_by_func (msg, redirect_handler, session);
1077                 g_signal_emit (session, signals[REQUEST_UNQUEUED], 0, msg);
1078         }
1079 }
1080
1081 static void
1082 queue_message (SoupSession *session, SoupMessage *msg,
1083                SoupSessionCallback callback, gpointer user_data)
1084 {
1085         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
1086
1087         g_signal_connect_after (msg, "finished",
1088                                 G_CALLBACK (message_finished), session);
1089
1090         if (!(soup_message_get_flags (msg) & SOUP_MESSAGE_NO_REDIRECT)) {
1091                 soup_message_add_header_handler (
1092                         msg, "got_body", "Location",
1093                         G_CALLBACK (redirect_handler), session);
1094         }
1095
1096         soup_message_set_io_status (msg, SOUP_MESSAGE_IO_STATUS_QUEUED);
1097         soup_message_queue_append (priv->queue, msg);
1098
1099         g_signal_emit (session, signals[REQUEST_QUEUED], 0, msg);
1100 }
1101
1102 /**
1103  * SoupSessionCallback:
1104  * @session: the session
1105  * @msg: the message that has finished
1106  * @user_data: the data passed to soup_session_queue_message
1107  *
1108  * Prototype for the callback passed to soup_session_queue_message(),
1109  * qv.
1110  **/
1111
1112 /**
1113  * soup_session_queue_message:
1114  * @session: a #SoupSession
1115  * @msg: the message to queue
1116  * @callback: a #SoupSessionCallback which will be called after the
1117  * message completes or when an unrecoverable error occurs.
1118  * @user_data: a pointer passed to @callback.
1119  *
1120  * Queues the message @msg for sending. All messages are processed
1121  * while the glib main loop runs. If @msg has been processed before,
1122  * any resources related to the time it was last sent are freed.
1123  *
1124  * Upon message completion, the callback specified in @callback will
1125  * be invoked (in the thread associated with @session's async
1126  * context). If after returning from this callback the message has not
1127  * been requeued, @msg will be unreffed.
1128  */
1129 void
1130 soup_session_queue_message (SoupSession *session, SoupMessage *msg,
1131                             SoupSessionCallback callback, gpointer user_data)
1132 {
1133         g_return_if_fail (SOUP_IS_SESSION (session));
1134         g_return_if_fail (SOUP_IS_MESSAGE (msg));
1135
1136         SOUP_SESSION_GET_CLASS (session)->queue_message (session, msg,
1137                                                          callback, user_data);
1138 }
1139
1140 static void
1141 requeue_message (SoupSession *session, SoupMessage *msg)
1142 {
1143         soup_message_set_io_status (msg, SOUP_MESSAGE_IO_STATUS_QUEUED);
1144 }
1145
1146 /**
1147  * soup_session_requeue_message:
1148  * @session: a #SoupSession
1149  * @msg: the message to requeue
1150  *
1151  * This causes @msg to be placed back on the queue to be attempted
1152  * again.
1153  **/
1154 void
1155 soup_session_requeue_message (SoupSession *session, SoupMessage *msg)
1156 {
1157         g_return_if_fail (SOUP_IS_SESSION (session));
1158         g_return_if_fail (SOUP_IS_MESSAGE (msg));
1159
1160         SOUP_SESSION_GET_CLASS (session)->requeue_message (session, msg);
1161 }
1162
1163
1164 /**
1165  * soup_session_send_message:
1166  * @session: a #SoupSession
1167  * @msg: the message to send
1168  *
1169  * Synchronously send @msg. This call will not return until the
1170  * transfer is finished successfully or there is an unrecoverable
1171  * error.
1172  *
1173  * @msg is not freed upon return.
1174  *
1175  * Return value: the HTTP status code of the response
1176  */
1177 guint
1178 soup_session_send_message (SoupSession *session, SoupMessage *msg)
1179 {
1180         g_return_val_if_fail (SOUP_IS_SESSION (session), SOUP_STATUS_MALFORMED);
1181         g_return_val_if_fail (SOUP_IS_MESSAGE (msg), SOUP_STATUS_MALFORMED);
1182
1183         return SOUP_SESSION_GET_CLASS (session)->send_message (session, msg);
1184 }
1185
1186
1187 /**
1188  * soup_session_pause_message:
1189  * @session: a #SoupSession
1190  * @msg: a #SoupMessage currently running on @session
1191  *
1192  * Pauses HTTP I/O on @msg. Call soup_session_unpause_message() to
1193  * resume I/O.
1194  **/
1195 void
1196 soup_session_pause_message (SoupSession *session,
1197                             SoupMessage *msg)
1198 {
1199         g_return_if_fail (SOUP_IS_SESSION (session));
1200         g_return_if_fail (SOUP_IS_MESSAGE (msg));
1201
1202         soup_message_io_pause (msg);
1203 }
1204
1205 /**
1206  * soup_session_unpause_message:
1207  * @session: a #SoupSession
1208  * @msg: a #SoupMessage currently running on @session
1209  *
1210  * Resumes HTTP I/O on @msg. Use this to resume after calling
1211  * soup_sessino_pause_message().
1212  *
1213  * If @msg is being sent via blocking I/O, this will resume reading or
1214  * writing immediately. If @msg is using non-blocking I/O, then
1215  * reading or writing won't resume until you return to the main loop.
1216  **/
1217 void
1218 soup_session_unpause_message (SoupSession *session,
1219                               SoupMessage *msg)
1220 {
1221         g_return_if_fail (SOUP_IS_SESSION (session));
1222         g_return_if_fail (SOUP_IS_MESSAGE (msg));
1223
1224         soup_message_io_unpause (msg);
1225 }
1226
1227
1228 static void
1229 cancel_message (SoupSession *session, SoupMessage *msg, guint status_code)
1230 {
1231         SoupSessionPrivate *priv = SOUP_SESSION_GET_PRIVATE (session);
1232
1233         soup_message_queue_remove_message (priv->queue, msg);
1234         soup_message_io_stop (msg);
1235         soup_message_set_status (msg, status_code);
1236         soup_message_finished (msg);
1237 }
1238
1239 /**
1240  * soup_session_cancel_message:
1241  * @session: a #SoupSession
1242  * @msg: the message to cancel
1243  * @status_code: status code to set on @msg (generally
1244  * %SOUP_STATUS_CANCELLED)
1245  *
1246  * Causes @session to immediately finish processing @msg, with a final
1247  * status_code of @status_code. Depending on when you cancel it, the
1248  * response state may be incomplete or inconsistent.
1249  **/
1250 void
1251 soup_session_cancel_message (SoupSession *session, SoupMessage *msg,
1252                              guint status_code)
1253 {
1254         g_return_if_fail (SOUP_IS_SESSION (session));
1255         g_return_if_fail (SOUP_IS_MESSAGE (msg));
1256
1257         SOUP_SESSION_GET_CLASS (session)->cancel_message (session, msg, status_code);
1258 }
1259
1260 static void
1261 gather_conns (gpointer key, gpointer host, gpointer data)
1262 {
1263         SoupConnection *conn = key;
1264         GSList **conns = data;
1265
1266         *conns = g_slist_prepend (*conns, conn);
1267 }
1268
1269 /**
1270  * soup_session_abort:
1271  * @session: the session
1272  *
1273  * Cancels all pending requests in @session.
1274  **/
1275 void
1276 soup_session_abort (SoupSession *session)
1277 {
1278         SoupSessionPrivate *priv;
1279         SoupMessageQueueIter iter;
1280         SoupMessage *msg;
1281         GSList *conns, *c;
1282
1283         g_return_if_fail (SOUP_IS_SESSION (session));
1284         priv = SOUP_SESSION_GET_PRIVATE (session);
1285
1286         for (msg = soup_message_queue_first (priv->queue, &iter);
1287              msg;
1288              msg = soup_message_queue_next (priv->queue, &iter)) {
1289                 soup_session_cancel_message (session, msg,
1290                                              SOUP_STATUS_CANCELLED);
1291         }
1292
1293         /* Close all connections */
1294         g_mutex_lock (priv->host_lock);
1295         conns = NULL;
1296         g_hash_table_foreach (priv->conns, gather_conns, &conns);
1297
1298         for (c = conns; c; c = c->next)
1299                 g_object_ref (c->data);
1300         g_mutex_unlock (priv->host_lock);
1301         for (c = conns; c; c = c->next) {
1302                 soup_connection_disconnect (c->data);
1303                 g_object_unref (c->data);
1304         }
1305
1306         g_slist_free (conns);
1307 }