text[size] = '\n';
text[size + 1] = '\0';
}
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client: %X - %s", cls, text);
+#if BUILD_HTTPS
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "transport-https",
+ "Client: %X - %s", cls, text);
+#else
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "transport-http",
+ "Client: %X - %s", cls, text);
+#endif
}
return 0;
}
#endif
-int
-client_send (struct Session *s, struct HTTP_Message *msg)
-{
- GNUNET_CONTAINER_DLL_insert (s->msg_head, s->msg_tail, msg);
- return GNUNET_OK;
-}
-
/**
* Task performing curl operations
* @param cls plugin as closure
* Function setting up file descriptors and scheduling task to run
*
* @param plugin plugin as closure
+ * @param now schedule task in 1ms, regardless of what curl may say
* @return GNUNET_SYSERR for hard failure, GNUNET_OK for ok
*/
static int
-client_schedule (struct Plugin *plugin)
+client_schedule (struct Plugin *plugin, int now)
{
fd_set rs;
fd_set ws;
struct GNUNET_TIME_Relative timeout;
/* Cancel previous scheduled task */
- if (plugin->client_perform_task!= GNUNET_SCHEDULER_NO_TASK)
+ if (plugin->client_perform_task != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel (plugin->client_perform_task);
plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
}
mret = curl_multi_timeout (plugin->client_mh, &to);
if (to == -1)
- timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5);
+ timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1);
else
timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, to);
+ if (now == GNUNET_YES)
+ timeout = GNUNET_TIME_UNIT_MILLISECONDS;
+
if (mret != CURLM_OK)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("%s failed at %s:%d: `%s'\n"),
plugin->client_perform_task =
GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- timeout,
- grs,
- gws,
- &client_run,
- plugin);
+ GNUNET_SCHEDULER_NO_TASK, timeout, grs, gws,
+ &client_run, plugin);
GNUNET_NETWORK_fdset_destroy (gws);
GNUNET_NETWORK_fdset_destroy (grs);
return GNUNET_OK;
}
+int
+client_send (struct Session *s, struct HTTP_Message *msg)
+{
+ GNUNET_assert (s != NULL);
+ GNUNET_CONTAINER_DLL_insert (s->msg_head, s->msg_tail, msg);
+
+ if (s->client_put_paused == GNUNET_YES)
+ {
+#if VERBOSE_CLIENT
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Client: %X was suspended, unpausing\n", s->client_put);
+#endif
+ s->client_put_paused = GNUNET_NO;
+ curl_easy_pause (s->client_put, CURLPAUSE_CONT);
+ }
+
+ client_schedule (s->plugin, GNUNET_YES);
+
+ return GNUNET_OK;
+}
+
+
+
/**
* Task performing curl operations
* @param cls plugin as closure
client_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Plugin *plugin = cls;
- static unsigned int handles_last_run;
int running;
CURLMcode mret;
running = 0;
mret = curl_multi_perform (plugin->client_mh, &running);
- CURLMsg * msg;
+ CURLMsg *msg;
int msgs_left;
- while ((msg = curl_multi_info_read(plugin->client_mh, &msgs_left)))
- {
- CURL *easy_h = msg->easy_handle;
- struct Session *s = NULL;
- char * d = (char *) s;
- GNUNET_assert (easy_h != NULL);
-
- GNUNET_assert (CURLE_OK == curl_easy_getinfo(easy_h, CURLINFO_PRIVATE, &d));
- s = (struct Session *) d;
- GNUNET_assert (s != NULL);
- if (msg->msg == CURLMSG_DONE)
- {
-#if DEBUG_HTTP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Connection to '%s' %s ended\n", GNUNET_i2s(&s->target), GNUNET_a2s (s->addr, s->addrlen));
-#endif
- client_disconnect(s);
- //GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,"Notifying about ended session to peer `%s' `%s'\n", GNUNET_i2s (&s->target), http_plugin_address_to_string (plugin, s->addr, s->addrlen));
- if (s->msg_tk != NULL)
- GNUNET_SERVER_mst_destroy (s->msg_tk);
- notify_session_end (plugin, &s->target, s);
- }
+ while ((msg = curl_multi_info_read (plugin->client_mh, &msgs_left)))
+ {
+ CURL *easy_h = msg->easy_handle;
+ struct Session *s = NULL;
+ char *d = (char *) s;
+
+
+ //GNUNET_assert (easy_h != NULL);
+ if (easy_h == NULL)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Client: connection to ended with reason %i: `%s', %i handles running\n",
+ msg->data.result,
+ curl_easy_strerror (msg->data.result), running);
+ continue;
+ }
+
+ GNUNET_assert (CURLE_OK ==
+ curl_easy_getinfo (easy_h, CURLINFO_PRIVATE, &d));
+ s = (struct Session *) d;
+ GNUNET_assert (s != NULL);
+
+ if (msg->msg == CURLMSG_DONE)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Client: %X connection to '%s' %s ended with reason %i: `%s'\n",
+ msg->easy_handle, GNUNET_i2s (&s->target),
+ http_plugin_address_to_string (NULL, s->addr,
+ s->addrlen),
+ msg->data.result,
+ curl_easy_strerror (msg->data.result));
+
+ client_disconnect (s);
+ //GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,"Notifying about ended session to peer `%s' `%s'\n", GNUNET_i2s (&s->target), http_plugin_address_to_string (plugin, s->addr, s->addrlen));
+ notify_session_end (plugin, &s->target, s);
+ }
}
-
- handles_last_run = running;
}
while (mret == CURLM_CALL_MULTI_PERFORM);
- client_schedule (plugin);
+ client_schedule (plugin, GNUNET_NO);
}
int
int res = GNUNET_OK;
CURLMcode mret;
struct Plugin *plugin = s->plugin;
- struct HTTP_Message * msg;
- struct HTTP_Message * t;
+ struct HTTP_Message *msg;
+ struct HTTP_Message *t;
+
-#if DEBUG_HTTP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Client: Deleting outbound PUT session to peer `%s'\n",
- GNUNET_i2s (&s->target));
-#endif
if (s->client_put != NULL)
{
+#if DEBUG_HTTP
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Client: %X Deleting outbound PUT session to peer `%s'\n",
+ s->client_put, GNUNET_i2s (&s->target));
+#endif
+
mret = curl_multi_remove_handle (plugin->client_mh, s->client_put);
if (mret != CURLM_OK)
{
s->client_put = NULL;
}
-#if DEBUG_HTTP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Client: Deleting outbound GET session to peer `%s'\n",
- GNUNET_i2s (&s->target));
-#endif
+
+ if (s->recv_wakeup_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel (s->recv_wakeup_task);
+ s->recv_wakeup_task = GNUNET_SCHEDULER_NO_TASK;
+ }
if (s->client_get != NULL)
{
+#if DEBUG_HTTP
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Client: %X Deleting outbound GET session to peer `%s'\n",
+ s->client_get, GNUNET_i2s (&s->target));
+#endif
+
mret = curl_multi_remove_handle (plugin->client_mh, s->client_get);
if (mret != CURLM_OK)
{
t = msg->next;
if (NULL != msg->transmit_cont)
msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_SYSERR);
- GNUNET_CONTAINER_DLL_remove(s->msg_head, s->msg_tail, msg);
+ GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
GNUNET_free (msg);
msg = t;
}
plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
}
- plugin->client_perform_task = GNUNET_SCHEDULER_add_now(client_run, plugin);
+ client_schedule (plugin, GNUNET_YES);
return res;
}
static void
client_receive_mst_cb (void *cls, void *client,
- const struct GNUNET_MessageHeader *message)
+ const struct GNUNET_MessageHeader *message)
{
struct Session *s = cls;
- struct Plugin *plugin = s->plugin;
struct GNUNET_TIME_Relative delay;
delay = http_plugin_receive (s, &s->target, message, s, s->addr, s->addrlen);
+ s->next_receive =
+ GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (), delay);
- s->delay = GNUNET_TIME_absolute_add(GNUNET_TIME_absolute_get(), delay);
-
- if (GNUNET_TIME_absolute_get().abs_value < s->delay.abs_value)
+ if (GNUNET_TIME_absolute_get ().abs_value < s->next_receive.abs_value)
{
#if VERBOSE_CLIENT
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name, "Client: peer `%s' address `%s' next read delayed for %llu ms\n",
- GNUNET_i2s (&s->target), GNUNET_a2s (s->addr, s->addrlen), delay);
+ struct Plugin *plugin = s->plugin;
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Client: peer `%s' address `%s' next read delayed for %llu ms\n",
+ GNUNET_i2s (&s->target), GNUNET_a2s (s->addr, s->addrlen),
+ delay);
#endif
}
}
+static void
+client_wake_up (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct Session *s = cls;
+
+ s->recv_wakeup_task = GNUNET_SCHEDULER_NO_TASK;
+
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ return;
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Client: %X Waking up receive handle\n", s->client_get);
+
+ if (s->client_get != NULL)
+ curl_easy_pause (s->client_get, CURLPAUSE_CONT);
+
+}
+
/**
* Callback method used with libcurl
* Method is called when libcurl needs to write data during sending
* @param stream pointer where to write data
* @param size size of an individual element
* @param nmemb count of elements that can be written to the buffer
-* @param ptr destination pointer, passed to the libcurl handle
+* @param cls destination pointer, passed to the libcurl handle
* @return bytes read from stream
*/
static size_t
client_receive (void *stream, size_t size, size_t nmemb, void *cls)
{
struct Session *s = cls;
- struct Plugin *plugin = s->plugin;
+ struct GNUNET_TIME_Absolute now;
+ size_t len = size * nmemb;
+
#if VERBOSE_CLIENT
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name, "Client: Received %Zu bytes from peer `%s'\n",
- size * nmemb,
+ struct Plugin *plugin = s->plugin;
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Client: Received %Zu bytes from peer `%s'\n", len,
GNUNET_i2s (&s->target));
#endif
- if (GNUNET_TIME_absolute_get().abs_value < s->delay.abs_value)
+ now = GNUNET_TIME_absolute_get ();
+ if (now.abs_value < s->next_receive.abs_value)
{
+ struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
+ struct GNUNET_TIME_Relative delta =
+ GNUNET_TIME_absolute_get_difference (now, s->next_receive);
#if DEBUG_CLIENT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "no inbound bandwidth available! Next read was delayed for %llu ms\n",
- s, GNUNET_TIME_absolute_get_difference(s->delay, GNUNET_TIME_absolute_get()).rel_value);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Client: %X No inbound bandwidth available! Next read was delayed for %llu ms\n",
+ s->client_get, delta.rel_value);
#endif
- return 0;
+ if (s->recv_wakeup_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel (s->recv_wakeup_task);
+ s->recv_wakeup_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ s->recv_wakeup_task =
+ GNUNET_SCHEDULER_add_delayed (delta, &client_wake_up, s);
+ return CURLPAUSE_ALL;
}
if (s->msg_tk == NULL)
- s->msg_tk = GNUNET_SERVER_mst_create (&client_receive_mst_cb, s);
+ s->msg_tk = GNUNET_SERVER_mst_create (&client_receive_mst_cb, s);
- GNUNET_SERVER_mst_receive (s->msg_tk, s, stream, size * nmemb, GNUNET_NO,
- GNUNET_NO);
+ GNUNET_SERVER_mst_receive (s->msg_tk, s, stream, len, GNUNET_NO, GNUNET_NO);
- return (size * nmemb);
+ return len;
}
/**
* @param stream pointer where to write data
* @param size size of an individual element
* @param nmemb count of elements that can be written to the buffer
- * @param ptr source pointer, passed to the libcurl handle
- * @return bytes written to stream
+ * @param cls source pointer, passed to the libcurl handle
+ * @return bytes written to stream, returning 0 will terminate connection!
*/
static size_t
client_send_cb (void *stream, size_t size, size_t nmemb, void *cls)
{
struct Session *s = cls;
- //struct Plugin *plugin = s->plugin;
+
+#if VERBOSE_CLIENT
+ struct Plugin *plugin = s->plugin;
+#endif
size_t bytes_sent = 0;
size_t len;
struct HTTP_Message *msg = s->msg_head;
-/*
- if (s->put_paused == GNUNET_NO)
- return CURL_READFUNC_PAUSE;
- if ((s->msg_head == NULL) && (s->put_paused == GNUNET_YES))
+
+ if (msg == NULL)
{
#if VERBOSE_CLIENT
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name, "Suspending handle `%s' `%s'\n",
- GNUNET_i2s (&s->target),GNUNET_a2s (s->addr, s->addrlen));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Client: %X Nothing to send! Suspending PUT handle!\n",
+ s->client_put);
#endif
- s->put_paused = GNUNET_NO;
+ s->client_put_paused = GNUNET_YES;
return CURL_READFUNC_PAUSE;
}
-*/
- if (msg == NULL)
- return bytes_sent;
+
GNUNET_assert (msg != NULL);
/* data to send */
if (msg->pos < msg->size)
/* no data to send */
else
{
+ GNUNET_assert (0);
bytes_sent = 0;
}
if (msg->pos == msg->size)
{
#if VERBOSE_CLIENT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Message with %u bytes sent, removing message from queue\n",
- s, msg->pos);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Client: %X Message with %u bytes sent, removing message from queue\n",
+ s->client_put, msg->size, msg->pos);
#endif
/* Calling transmit continuation */
if (NULL != msg->transmit_cont)
msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_OK);
- GNUNET_CONTAINER_DLL_remove(s->msg_head, s->msg_tail, msg);
+ GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
GNUNET_free (msg);
}
return bytes_sent;
CURLMcode mret;
#if VERBOSE_CLIENT
+#endif
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Initiating outbound session peer `%s'\n",
GNUNET_i2s (&s->target));
-#endif
+
s->inbound = GNUNET_NO;
plugin->last_tag++;
/* create url */
- GNUNET_asprintf (&url, "%s%s;%u", http_plugin_address_to_string (plugin, s->addr, s->addrlen), GNUNET_h2s_full (&plugin->env->my_identity->hashPubKey),plugin->last_tag);
- //GNUNET_asprintf (&url, "http://www.heise.de", http_plugin_address_to_string (plugin, s->addr, s->addrlen), GNUNET_h2s_full (&plugin->env->my_identity->hashPubKey),plugin->last_tag);
+ GNUNET_asprintf (&url, "%s%s;%u",
+ http_plugin_address_to_string (plugin, s->addr, s->addrlen),
+ GNUNET_h2s_full (&plugin->env->my_identity->hashPubKey),
+ plugin->last_tag);
#if 0
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "URL `%s'\n",
- url);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, plugin->name, "URL `%s'\n", url);
#endif
/* create get connection */
s->client_get = curl_easy_init ();
plugin->cur_connections += 2;
/* Re-schedule since handles have changed */
- if (plugin->client_perform_task!= GNUNET_SCHEDULER_NO_TASK)
+ if (plugin->client_perform_task != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel (plugin->client_perform_task);
plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;