X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Futil%2Fclient.c;h=7e688059044211cebf40dcea045f51534252b4a0;hb=bb83cd2d04ff5a3f7a8d05fc9a724b0246e958b6;hp=13c4062a57ae40d21f1858f7af5d248eb5557b84;hpb=491b6623ea56ca0a692e129f6d185bd0ef7aa975;p=oweals%2Fgnunet.git diff --git a/src/util/client.c b/src/util/client.c index 13c4062a5..7e6880590 100644 --- a/src/util/client.c +++ b/src/util/client.c @@ -43,7 +43,6 @@ */ #define MAX_ATTEMPTS 50 - /** * Handle for a transmission request. */ @@ -150,11 +149,6 @@ struct GNUNET_CLIENT_Connection */ struct GNUNET_CONNECTION_Handle *sock; - /** - * Our scheduler. - */ - struct GNUNET_SCHEDULER_Handle *sched; - /** * Our configuration. * FIXME: why do we DUP the configuration? Avoid this! @@ -262,15 +256,13 @@ struct GNUNET_CLIENT_Connection /** * Try to connect to the service. * - * @param sched scheduler to use * @param service_name name of service to connect to * @param cfg configuration to use * @param attempt counter used to alternate between IP and UNIX domain sockets * @return NULL on error */ static struct GNUNET_CONNECTION_Handle * -do_connect (struct GNUNET_SCHEDULER_Handle *sched, - const char *service_name, +do_connect (const char *service_name, const struct GNUNET_CONFIGURATION_Handle *cfg, unsigned int attempt) { @@ -279,22 +271,28 @@ do_connect (struct GNUNET_SCHEDULER_Handle *sched, char *unixpath; unsigned long long port; + sock = NULL; #if AF_UNIX - if (0 == attempt % 2) + if (0 == (attempt % 2)) { /* on even rounds, try UNIX */ - if (GNUNET_OK == + if ((GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (cfg, service_name, - "UNIXPATH", &unixpath)) + "UNIXPATH", &unixpath)) && + (0 < strlen (unixpath))) /* We have a non-NULL unixpath, does that mean it's valid? */ { - sock = GNUNET_CONNECTION_create_from_connect_to_unixpath (sched, - cfg, - unixpath); - GNUNET_free (unixpath); + sock = GNUNET_CONNECTION_create_from_connect_to_unixpath (cfg, unixpath); if (sock != NULL) - return sock; + { +#if DEBUG_CLIENT + GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Connected to unixpath `%s'!\n", unixpath); +#endif + GNUNET_free(unixpath); + return sock; + } } + GNUNET_free_non_null (unixpath); } #endif @@ -310,8 +308,7 @@ do_connect (struct GNUNET_SCHEDULER_Handle *sched, "HOSTNAME", &hostname))) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - _ - ("Could not determine valid hostname and port for service `%s' from configuration.\n"), + _("Could not determine valid hostname and port for service `%s' from configuration.\n"), service_name); return NULL; } @@ -323,8 +320,36 @@ do_connect (struct GNUNET_SCHEDULER_Handle *sched, service_name); return NULL; } - sock = GNUNET_CONNECTION_create_from_connect (sched, - cfg, + if (port == 0) + { +#if AF_UNIX + if (0 != (attempt % 2)) + { + /* try UNIX */ + if ((GNUNET_OK == + GNUNET_CONFIGURATION_get_value_string (cfg, + service_name, + "UNIXPATH", &unixpath)) && + (0 < strlen (unixpath))) + { + sock = GNUNET_CONNECTION_create_from_connect_to_unixpath (cfg, + unixpath); + GNUNET_free (unixpath); + if (sock != NULL) + return sock; + } + } +#endif +#if DEBUG_CLIENT + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Port is 0 for service `%s', UNIXPATH did not work, returning NULL!\n", + service_name); +#endif + GNUNET_free (hostname); + return NULL; + } + + sock = GNUNET_CONNECTION_create_from_connect (cfg, hostname, port); GNUNET_free (hostname); @@ -335,28 +360,24 @@ do_connect (struct GNUNET_SCHEDULER_Handle *sched, /** * Get a connection with a service. * - * @param sched scheduler to use * @param service_name name of the service * @param cfg configuration to use * @return NULL on error (service unknown to configuration) */ struct GNUNET_CLIENT_Connection * -GNUNET_CLIENT_connect (struct GNUNET_SCHEDULER_Handle *sched, - const char *service_name, +GNUNET_CLIENT_connect (const char *service_name, const struct GNUNET_CONFIGURATION_Handle *cfg) { struct GNUNET_CLIENT_Connection *ret; struct GNUNET_CONNECTION_Handle *sock; - sock = do_connect (sched, - service_name, + sock = do_connect (service_name, cfg, 0); if (sock == NULL) return NULL; ret = GNUNET_malloc (sizeof (struct GNUNET_CLIENT_Connection)); ret->attempts = 1; ret->sock = sock; - ret->sched = sched; ret->service_name = GNUNET_strdup (service_name); ret->cfg = GNUNET_CONFIGURATION_dup (cfg); ret->back_off = GNUNET_TIME_UNIT_MILLISECONDS; @@ -418,7 +439,7 @@ GNUNET_CLIENT_disconnect (struct GNUNET_CLIENT_Connection *sock, GNUNET_CLIENT_notify_transmit_ready_cancel (sock->th); if (sock->receive_task != GNUNET_SCHEDULER_NO_TASK) { - GNUNET_SCHEDULER_cancel (sock->sched, sock->receive_task); + GNUNET_SCHEDULER_cancel (sock->receive_task); sock->receive_task = GNUNET_SCHEDULER_NO_TASK; } GNUNET_array_grow (sock->received_buf, sock->received_size, 0); @@ -470,6 +491,9 @@ receive_helper (void *cls, if ((available == 0) || (conn->sock == NULL) || (errCode != 0)) { /* signal timeout! */ +#if DEBUG_CLIENT + GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "timeout in receive_helper, available %d, conn->sock %s, errCode %d\n", available, conn->sock == NULL ? "NULL" : "non-NULL", errCode); +#endif if (NULL != (receive_handler = conn->receiver_handler)) { receive_handler_cls = conn->receiver_handler_cls; @@ -569,14 +593,16 @@ GNUNET_CLIENT_receive (struct GNUNET_CLIENT_Connection *sock, sock->receive_timeout = GNUNET_TIME_relative_to_absolute (timeout); if (GNUNET_YES == sock->msg_complete) { - sock->receive_task = GNUNET_SCHEDULER_add_after (sock->sched, - GNUNET_SCHEDULER_NO_TASK, + sock->receive_task = GNUNET_SCHEDULER_add_after (GNUNET_SCHEDULER_NO_TASK, &receive_task, sock); } else { GNUNET_assert (sock->in_receive == GNUNET_NO); sock->in_receive = GNUNET_YES; +#if DEBUG_CLIENT + GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "calling GNUNET_CONNECTION_receive\n"); +#endif GNUNET_CONNECTION_receive (sock->sock, GNUNET_SERVER_MAX_MESSAGE_SIZE - 1, timeout, &receive_helper, sock); @@ -588,11 +614,9 @@ GNUNET_CLIENT_receive (struct GNUNET_CLIENT_Connection *sock, * Report service unavailable. */ static void -service_test_error (struct GNUNET_SCHEDULER_Handle *s, - GNUNET_SCHEDULER_Task task, void *task_cls) +service_test_error (GNUNET_SCHEDULER_Task task, void *task_cls) { - GNUNET_SCHEDULER_add_continuation (s, - task, + GNUNET_SCHEDULER_add_continuation (task, task_cls, GNUNET_SCHEDULER_REASON_TIMEOUT); } @@ -617,14 +641,13 @@ confirm_handler (void *cls, const struct GNUNET_MessageHeader *msg) GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received confirmation that service is running.\n"); #endif - GNUNET_SCHEDULER_add_continuation (conn->sched, - conn->test_cb, + GNUNET_SCHEDULER_add_continuation (conn->test_cb, conn->test_cb_cls, GNUNET_SCHEDULER_REASON_PREREQ_DONE); } else { - service_test_error (conn->sched, conn->test_cb, conn->test_cb_cls); + service_test_error (conn->test_cb, conn->test_cb_cls); } GNUNET_CLIENT_disconnect (conn, GNUNET_NO); } @@ -642,7 +665,7 @@ write_test (void *cls, size_t size, void *buf) GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, _("Failure to transmit TEST request.\n")); #endif - service_test_error (conn->sched, conn->test_cb, conn->test_cb_cls); + service_test_error (conn->test_cb, conn->test_cb_cls); GNUNET_CLIENT_disconnect (conn, GNUNET_NO); return 0; /* client disconnected */ } @@ -664,7 +687,6 @@ write_test (void *cls, size_t size, void *buf) /** * Wait until the service is running. * - * @param sched scheduler to use * @param service name of the service to wait for * @param cfg configuration to use * @param timeout how long to wait at most in ms @@ -674,8 +696,7 @@ write_test (void *cls, size_t size, void *buf) * @param task_cls closure for task */ void -GNUNET_CLIENT_service_test (struct GNUNET_SCHEDULER_Handle *sched, - const char *service, +GNUNET_CLIENT_service_test (const char *service, const struct GNUNET_CONFIGURATION_Handle *cfg, struct GNUNET_TIME_Relative timeout, GNUNET_SCHEDULER_Task task, void *task_cls) @@ -686,14 +707,14 @@ GNUNET_CLIENT_service_test (struct GNUNET_SCHEDULER_Handle *sched, GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Testing if service `%s' is running.\n", service); #endif - conn = GNUNET_CLIENT_connect (sched, service, cfg); + conn = GNUNET_CLIENT_connect (service, cfg); if (conn == NULL) { GNUNET_log (GNUNET_ERROR_TYPE_INFO, _ ("Could not connect to service `%s', must not be running.\n"), service); - service_test_error (sched, task, task_cls); + service_test_error (task, task_cls); return; } conn->test_cb = task; @@ -709,7 +730,7 @@ GNUNET_CLIENT_service_test (struct GNUNET_SCHEDULER_Handle *sched, GNUNET_log (GNUNET_ERROR_TYPE_WARNING, _("Failure to transmit request to service `%s'\n"), service); - service_test_error (sched, task, task_cls); + service_test_error (task, task_cls); GNUNET_CLIENT_disconnect (conn, GNUNET_NO); return; } @@ -791,7 +812,7 @@ client_notify (void *cls, size_t size, void *buf) { delay = GNUNET_TIME_absolute_get_remaining (th->timeout); delay.rel_value /= 2; - if ( (0 != (GNUNET_SCHEDULER_REASON_SHUTDOWN & GNUNET_SCHEDULER_get_reason (th->sock->sched))) || + if ( (0 != (GNUNET_SCHEDULER_REASON_SHUTDOWN & GNUNET_SCHEDULER_get_reason ())) || (GNUNET_YES != th->auto_retry) || (0 == --th->attempts_left) || (delay.rel_value < 1) ) @@ -807,8 +828,7 @@ client_notify (void *cls, size_t size, void *buf) } /* auto-retry */ GNUNET_CONNECTION_destroy (th->sock->sock, GNUNET_NO); - th->sock->sock = do_connect (th->sock->sched, - th->sock->service_name, + th->sock->sock = do_connect (th->sock->service_name, th->sock->cfg, th->sock->attempts++); GNUNET_assert (NULL != th->sock->sock); @@ -824,8 +844,7 @@ client_notify (void *cls, size_t size, void *buf) MAX_ATTEMPTS - th->attempts_left, (unsigned long long) delay.rel_value); #endif - th->reconnect_task = GNUNET_SCHEDULER_add_delayed (th->sock->sched, - delay, + th->reconnect_task = GNUNET_SCHEDULER_add_delayed (delay, &client_delayed_retry, th); th->sock->th = th; @@ -904,7 +923,7 @@ GNUNET_CLIENT_notify_transmit_ready_cancel (struct if (th->reconnect_task != GNUNET_SCHEDULER_NO_TASK) { GNUNET_break (NULL == th->th); - GNUNET_SCHEDULER_cancel (th->sock->sched, th->reconnect_task); + GNUNET_SCHEDULER_cancel (th->reconnect_task); th->reconnect_task = GNUNET_SCHEDULER_NO_TASK; } else