#define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_http_client_done
#endif
+#define VERBOSE_CURL GNUNET_YES
-#define HTTP_NOT_VALIDATED_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
+#define PUT_DISCONNECT_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
+
+#define ENABLE_PUT GNUNET_YES
+#define ENABLE_GET GNUNET_YES
#include "platform.h"
#include "gnunet_protocols.h"
-#include "gnunet_connection_lib.h"
+#include "gnunet_common.h"
#include "gnunet_server_lib.h"
-#include "gnunet_service_lib.h"
-#include "gnunet_statistics_service.h"
-#include "gnunet_transport_service.h"
#include "gnunet_transport_plugin.h"
#include "plugin_transport_http_common.h"
#include <curl/curl.h>
void *transmit_cont_cls;
};
-
/**
* Session handle for connections.
*/
*/
struct Session *prev;
+ /**
+ * The URL to connect to
+ */
+ char *url;
+
/**
* Address
*/
struct HTTP_Client_Plugin *plugin;
/**
- * Is client send handle paused since there are no data to send?
- * GNUNET_YES/NO
+ * Was session given to transport service?
*/
- int client_put_paused;
-
+ // int session_passed;
/**
* Client send handle
*/
void *client_put;
+ int put_paused;
+
+ int put_tmp_disconnecting;
+
/**
* Client receive handle
*/
*/
struct GNUNET_SERVER_MessageStreamTokenizer *msg_tk;
+ /**
+ * Session timeout task
+ */
+ GNUNET_SCHEDULER_TaskIdentifier put_disconnect_task;
+
/**
* Session timeout task
*/
struct GNUNET_TIME_Absolute next_receive;
};
+
/**
* Encapsulation of all of the state of the plugin.
*/
GNUNET_SCHEDULER_TaskIdentifier client_perform_task;
};
+
/**
* Encapsulation of all of the state of the plugin.
*/
struct HTTP_Client_Plugin *p;
+
/**
- * Start session timeout
+ * Start session timeout for a session
+ * @param s the session
*/
static void
client_start_session_timeout (struct Session *s);
+
/**
- * Increment session timeout due to activity
+ * Increment session timeout due to activity for a session
+ * @param s the session
*/
static void
client_reschedule_session_timeout (struct Session *s);
+
/**
- * Cancel timeout
+ * Cancel timeout for a session
+ * @param s the session
*/
static void
client_stop_session_timeout (struct Session *s);
+/**
+ * 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 HTTP_Client_Plugin *plugin, int now);
+
+static int
+client_connect_put (struct Session *s);
+
+/**
+ * Does a session s exists?
+ *
+ * @param plugin the plugin
+ * @param s desired session
+ * @return GNUNET_YES or GNUNET_NO
+ */
+static int
+client_exist_session (struct HTTP_Client_Plugin *plugin, struct Session *s)
+{
+ struct Session * head;
+
+ GNUNET_assert (NULL != plugin);
+ GNUNET_assert (NULL != s);
+
+ for (head = plugin->head; head != NULL; head = head->next)
+ {
+ if (head == s)
+ return GNUNET_YES;
+ }
+ return GNUNET_NO;
+}
+
+#if VERBOSE_CURL
+/**
+ * Function to log curl debug messages with GNUNET_log
+ *
+ * @param curl handle
+ * @param type curl_infotype
+ * @param data data
+ * @param size size
+ * @param cls closure
+ * @return 0
+ */
+static int
+client_log (CURL * curl, curl_infotype type, char *data, size_t size, void *cls)
+{
+ char *ttype;
+ if ((type == CURLINFO_TEXT) || (type == CURLINFO_HEADER_IN) || (type == CURLINFO_HEADER_OUT))
+ {
+ char text[size + 2];
+
+ switch (type) {
+ case CURLINFO_TEXT:
+ ttype = "TEXT";
+ break;
+ case CURLINFO_HEADER_IN:
+ ttype = "HEADER_IN";
+ break;
+ case CURLINFO_HEADER_OUT:
+ ttype = "HEADER_OUT";
+ break;
+ default:
+ break;
+ }
+
+ memcpy (text, data, size);
+ if (text[size - 1] == '\n')
+ text[size] = '\0';
+ else
+ {
+ text[size] = '\n';
+ text[size + 1] = '\0';
+ }
+#if BUILD_HTTPS
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "transport-https_client",
+ "Connection %p %s: %s", cls, ttype, text);
+#else
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "transport-http_client",
+ "Connection %p %s: %s", cls, ttype, text);
+#endif
+ }
+ return 0;
+}
+#endif
+
+
/**
* Function that can be used by the transport service to transmit
* a message using the plugin. Note that in the case of a
*/
static ssize_t
http_client_plugin_send (void *cls,
- struct Session *session,
+ struct Session *s,
const char *msgbuf, size_t msgbuf_size,
unsigned int priority,
struct GNUNET_TIME_Relative to,
GNUNET_TRANSPORT_TransmitContinuation cont, void *cont_cls)
{
struct HTTP_Client_Plugin *plugin = cls;
- int bytes_sent = 0;
+ struct HTTP_Message *msg;
GNUNET_assert (plugin != NULL);
- GNUNET_assert (session != NULL);
+ GNUNET_assert (s != NULL);
+
+ /* lookup if session is really existing */
+ if (GNUNET_YES != client_exist_session (plugin, s))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Session %p/connection %p: Sending message with %u to peer `%s' with \n",
+ s, s->client_put,
+ msgbuf_size, GNUNET_i2s (&s->target));
+
+ /* create new message and schedule */
+ msg = GNUNET_malloc (sizeof (struct HTTP_Message) + msgbuf_size);
+ msg->next = NULL;
+ msg->size = msgbuf_size;
+ msg->pos = 0;
+ msg->buf = (char *) &msg[1];
+ msg->transmit_cont = cont;
+ msg->transmit_cont_cls = cont_cls;
+ memcpy (msg->buf, msgbuf, msgbuf_size);
+ GNUNET_CONTAINER_DLL_insert_tail (s->msg_head, s->msg_tail, msg);
+
+ if (GNUNET_YES == s->put_tmp_disconnecting)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Session %p: Reconnecting PUT connection\n",
+ s);
+ s->put_tmp_disconnecting = GNUNET_NO;
+ if (GNUNET_SYSERR == client_connect_put (s))
+ {
+ return GNUNET_SYSERR;
+ }
+ }
+
+ if (GNUNET_YES == s->put_paused)
+ {
+ GNUNET_assert (s->put_disconnect_task != GNUNET_SCHEDULER_NO_TASK);
+ GNUNET_SCHEDULER_cancel (s->put_disconnect_task);
+ s->put_disconnect_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Session %p/connection %p: unpausing connection\n",
+ s, s->client_put);
+ s->put_paused = GNUNET_NO;
+ curl_easy_pause (s->client_put, CURLPAUSE_CONT);
+ }
+ client_schedule (s->plugin, GNUNET_YES);
+ client_reschedule_session_timeout (s);
+ return msgbuf_size;
+}
+
+
+/**
+ * Delete session s
+ *
+ * @param s the session to delete
+ */
+static void
+client_delete_session (struct Session *s)
+{
+ struct HTTP_Client_Plugin *plugin = s->plugin;
+ struct HTTP_Message *pos;
+ struct HTTP_Message *next;
- GNUNET_break (0);
+ client_stop_session_timeout (s);
+
+ if (GNUNET_SCHEDULER_NO_TASK != s->put_disconnect_task)
+ {
+ GNUNET_SCHEDULER_cancel (s->put_disconnect_task);
+ s->put_disconnect_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+
+ GNUNET_CONTAINER_DLL_remove (plugin->head, plugin->tail, s);
+
+ next = s->msg_head;
+ while (NULL != (pos = next))
+ {
+ next = pos->next;
+ GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, pos);
+ if (pos->transmit_cont != NULL)
+ pos->transmit_cont (pos->transmit_cont_cls, &s->target, GNUNET_SYSERR);
+ GNUNET_free (pos);
+ }
- /* struct Plugin *plugin = cls; */
- return bytes_sent;
+ if (s->msg_tk != NULL)
+ {
+ GNUNET_SERVER_mst_destroy (s->msg_tk);
+ s->msg_tk = NULL;
+ }
+ GNUNET_free (s->addr);
+ GNUNET_free (s->url);
+ GNUNET_free (s);
}
+/**
+ * Disconnect a session
+ *
+ * @param s session
+ * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ */
+static int
+client_disconnect (struct Session *s)
+{
+ struct HTTP_Client_Plugin *plugin = s->plugin;
+ struct HTTP_Message *msg;
+ struct HTTP_Message *t;
+ int res = GNUNET_OK;
+ CURLMcode mret;
+
+ if (GNUNET_YES != client_exist_session (plugin, s))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+
+ if (s->client_put != NULL)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p/connection %p: disconnecting PUT connection to peer `%s'\n",
+ s, s->client_put, GNUNET_i2s (&s->target));
+
+ /* remove curl handle from multi handle */
+ mret = curl_multi_remove_handle (plugin->curl_multi_handle, s->client_put);
+ if (mret != CURLM_OK)
+ {
+ /* clean up easy handle, handle is now invalid and free'd */
+ res = GNUNET_SYSERR;
+ GNUNET_break (0);
+ }
+ curl_easy_cleanup (s->client_put);
+ s->client_put = NULL;
+ }
+
+
+ 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)
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p/connection %p: disconnecting GET connection to peer `%s'\n",
+ s, s->client_get, GNUNET_i2s (&s->target));
+
+ /* remove curl handle from multi handle */
+ mret = curl_multi_remove_handle (plugin->curl_multi_handle, s->client_get);
+ if (mret != CURLM_OK)
+ {
+ /* clean up easy handle, handle is now invalid and free'd */
+ res = GNUNET_SYSERR;
+ GNUNET_break (0);
+ }
+ curl_easy_cleanup (s->client_get);
+ s->client_get = NULL;
+ }
+
+ msg = s->msg_head;
+ while (msg != NULL)
+ {
+ 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_free (msg);
+ msg = t;
+ }
+
+ GNUNET_assert (plugin->cur_connections >= 2);
+ plugin->cur_connections -= 2;
+ GNUNET_STATISTICS_set (plugin->env->stats,
+ "# HTTP client sessions",
+ plugin->cur_connections,
+ GNUNET_NO);
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p: notifying transport about ending session\n",s);
+
+ plugin->env->session_end (plugin->env->cls, &s->target, s);
+ client_delete_session (s);
+
+ /* Re-schedule since handles have changed */
+ if (plugin->client_perform_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel (plugin->client_perform_task);
+ plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ client_schedule (plugin, GNUNET_YES);
+
+ return res;
+}
+
+
/**
* Function that can be used to force the plugin to disconnect
* from the given peer and cancel all previous transmissions
static void
http_client_plugin_disconnect (void *cls, const struct GNUNET_PeerIdentity *target)
{
- // struct Plugin *plugin = cls;
- // FIXME
- GNUNET_break (0);
+ struct HTTP_Client_Plugin *plugin = cls;
+ struct Session *next = NULL;
+ struct Session *pos = NULL;
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Transport tells me to disconnect `%s'\n",
+ GNUNET_i2s (target));
+
+ next = plugin->head;
+ while (NULL != (pos = next))
+ {
+ next = pos->next;
+ if (0 == memcmp (target, &pos->target, sizeof (struct GNUNET_PeerIdentity)))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Disconnecting session %p to `%pos'\n",
+ pos, GNUNET_i2s (target));
+ GNUNET_assert (GNUNET_OK == client_disconnect (pos));
+ }
+ }
+
}
+
static struct Session *
client_lookup_session (struct HTTP_Client_Plugin *plugin,
const struct GNUNET_HELLO_Address *address)
return NULL;
}
-static int
-client_exist_session (struct HTTP_Client_Plugin *plugin, struct Session *s)
+static void
+client_put_disconnect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct Session * head;
+ struct Session *s = cls;
+ s->put_disconnect_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Session %p/connection %p: will be disconnected due to no activity\n",
+ s, s->client_put);
+ s->put_paused = GNUNET_NO;
+ s->put_tmp_disconnecting = GNUNET_YES;
+ curl_easy_pause (s->client_put, CURLPAUSE_CONT);
+ client_schedule (s->plugin, GNUNET_YES);
+}
- GNUNET_assert (NULL != plugin);
- GNUNET_assert (NULL != s);
- for (head = plugin->head; head != NULL; head = head->next)
- {
- if (head == s)
- return GNUNET_YES;
- }
- return GNUNET_NO;
-}
/**
* Callback method used with libcurl
GNUNET_break (0);
return 0;
}
+ if (GNUNET_YES == s->put_tmp_disconnecting)
+ {
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
+ "Session %p/connection %p: disconnect due to inactivity\n",
+ s, s->client_put);
+ return 0;
+ }
+
if (NULL == msg)
{
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Nothing to for session %p send! Suspending PUT handle!\n", s);
- s->client_put_paused = GNUNET_YES;
+ "Session %p/connection %p: nothing to send, suspending\n",
+ s, s->client_put);
+ s->put_disconnect_task = GNUNET_SCHEDULER_add_delayed (PUT_DISCONNECT_TIMEOUT, &client_put_disconnect, s);
+ s->put_paused = GNUNET_YES;
return CURL_READFUNC_PAUSE;
}
/* data to send */
if (msg->pos == msg->size)
{
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Session %p message with %u bytes sent, removing message from queue\n",
- s, msg->size, msg->pos);
+ "Session %p/connection %p: sent message with %u bytes sent, removing message from queue\n",
+ s, s->client_put, msg->size, msg->pos);
/* Calling transmit continuation */
GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, msg);
if (NULL != msg->transmit_cont)
}
+/**
+ * Wake up a curl handle which was suspended
+ *
+ * @param cls the session
+ * @param tc task context
+ */
static void
client_wake_up (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, s->plugin->name,
- "Client: %p Waking up receive handle\n", s->client_get);
+ "Session %p/connection %p: Waking up GET handle\n", s, s->client_get);
if (s->client_get != NULL)
curl_easy_pause (s->client_get, CURLPAUSE_CONT);
}
-
+/**
+ * Callback for message stream tokenizer
+ *
+ * @param cls the session
+ * @param client not used
+ * @param message the message received
+ * @return always GNUNET_OK
+ */
static int
client_receive_mst_cb (void *cls, void *client,
const struct GNUNET_MessageHeader *message)
struct HTTP_Client_Plugin *plugin;
struct GNUNET_TIME_Relative delay;
struct GNUNET_ATS_Information atsi[2];
-
if (GNUNET_YES != client_exist_session(p, s))
{
GNUNET_break (0);
}
plugin = s->plugin;
-
atsi[0].type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
atsi[0].value = htonl (1);
atsi[1].type = htonl (GNUNET_ATS_NETWORK_TYPE);
delay = s->plugin->env->receive (plugin->env->cls, &s->target, message,
(const struct GNUNET_ATS_Information *) &atsi, 2,
s, s->addr, s->addrlen);
+
s->next_receive =
GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (), delay);
}
-
/**
- * Callback method used with libcurl
- * Method is called when libcurl needs to write data during sending
+ * Callback method used with libcurl when data for a PUT connection are
+ * received. We do not expect data here, so we just dismiss it
*
* @param stream pointer where to write data
* @param size size of an individual element
* @return bytes read from stream
*/
static size_t
-client_receive (void *stream, size_t size, size_t nmemb, void *cls)
+client_receive_put (void *stream, size_t size, size_t nmemb, void *cls)
{
- return 0;
+ return size * nmemb;
+}
- struct Session *s = cls;
- struct GNUNET_TIME_Absolute now;
+
+/**
+ * Callback method used with libcurl when data for a GET connection are
+ * received. Forward to MST
+ *
+ * @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 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 GNUNET_TIME_Absolute now;
size_t len = size * nmemb;
struct HTTP_Client_Plugin *plugin = s->plugin;
s->msg_tk = GNUNET_SERVER_mst_create (&client_receive_mst_cb, s);
GNUNET_SERVER_mst_receive (s->msg_tk, s, stream, len, GNUNET_NO, GNUNET_NO);
return len;
-
}
+
/**
* Task performing curl operations
*
static void
client_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
/**
* Function setting up file descriptors and scheduling task to run
*
}
-
-static int
-client_disconnect (struct Session *s)
-{
-
- int res = GNUNET_OK;
- CURLMcode mret;
- struct HTTP_Client_Plugin *plugin = s->plugin;
- struct HTTP_Message *msg;
- struct HTTP_Message *t;
-
- if (GNUNET_YES != client_exist_session (plugin, s))
- {
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
-
- if (s->client_put != NULL)
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Client: %p / %p Deleting outbound PUT session to peer `%s'\n",
- s, s->client_put, GNUNET_i2s (&s->target));
-
- /* remove curl handle from multi handle */
- mret = curl_multi_remove_handle (plugin->curl_multi_handle, s->client_put);
- if (mret != CURLM_OK)
- {
- /* clean up easy handle, handle is now invalid and free'd */
- res = GNUNET_SYSERR;
- GNUNET_break (0);
- }
- curl_easy_cleanup (s->client_put);
- s->client_put = NULL;
- }
-
-
- 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)
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Client: %p / %p Deleting outbound GET session to peer `%s'\n",
- s,
- s->client_get, GNUNET_i2s (&s->target));
-
- /* remove curl handle from multi handle */
- mret = curl_multi_remove_handle (plugin->curl_multi_handle, s->client_get);
- if (mret != CURLM_OK)
- {
- /* clean up easy handle, handle is now invalid and free'd */
- res = GNUNET_SYSERR;
- GNUNET_break (0);
- }
- curl_easy_cleanup (s->client_get);
- s->client_get = NULL;
- }
-
- msg = s->msg_head;
- while (msg != NULL)
- {
- 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_free (msg);
- msg = t;
- }
-
- plugin->cur_connections -= 2;
- plugin->env->session_end (plugin->env->cls, &s->target, s);
-
- GNUNET_assert (plugin->cur_connections > 0);
- plugin->cur_connections --;
- GNUNET_STATISTICS_set (plugin->env->stats,
- "# HTTP client connections",
- plugin->cur_connections,
- GNUNET_NO);
-
- /* Re-schedule since handles have changed */
- if (plugin->client_perform_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel (plugin->client_perform_task);
- plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
- }
- client_schedule (plugin, GNUNET_YES);
-
- return res;
-}
-
-
/**
* Task performing curl operations
*
static void
client_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- GNUNET_break (0);
struct HTTP_Client_Plugin *plugin = cls;
int running;
+ int http_statuscode;
CURLMcode mret;
GNUNET_assert (cls != NULL);
GNUNET_assert (s != NULL);
if (msg->msg == CURLMSG_DONE)
{
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Client: %p connection to '%s' %s ended with reason %i: `%s'\n",
- msg->easy_handle, GNUNET_i2s (&s->target),
- http_common_plugin_address_to_string (NULL, s->addr,
- s->addrlen),
- msg->data.result,
- curl_easy_strerror (msg->data.result));
-
- /* Disconnect other transmission direction and tell transport */
- client_disconnect (s);
+ curl_easy_getinfo (easy_h, CURLINFO_RESPONSE_CODE, &http_statuscode);
+ if (easy_h == s->client_put)
+ {
+ if ((0 != msg->data.result) || (http_statuscode != 200))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p/connection %p: PUT connection to `%s' ended with status %i reason %i: `%s'\n",
+ s, msg->easy_handle, GNUNET_i2s (&s->target),
+ http_statuscode,
+ msg->data.result,
+ curl_easy_strerror (msg->data.result));
+ }
+ else
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p/connection %p: PUT connection to `%s' ended normal\n",
+ s, msg->easy_handle, GNUNET_i2s (&s->target));
+ if (s->client_get == NULL)
+ {
+ /* Disconnect other transmission direction and tell transport */
+ }
+ curl_multi_remove_handle (plugin->curl_multi_handle, easy_h);
+ curl_easy_cleanup (easy_h);
+ s->client_put = NULL;
+ }
+ if (easy_h == s->client_get)
+ {
+ if ((0 != msg->data.result) || (http_statuscode != 200))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p/connection %p: GET connection to `%s' ended with status %i reason %i: `%s'\n",
+ s, msg->easy_handle, GNUNET_i2s (&s->target),
+ http_statuscode,
+ msg->data.result,
+ curl_easy_strerror (msg->data.result));
+
+ }
+ else
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p/connection %p: GET connection to `%s' ended normal\n",
+ s, msg->easy_handle, GNUNET_i2s (&s->target));
+ /* Disconnect other transmission direction and tell transport */
+ client_disconnect (s);
+ }
}
}
}
client_schedule (plugin, GNUNET_NO);
}
-
static int
-client_connect (struct Session *s)
+client_connect_get (struct Session *s)
{
-
- struct HTTP_Client_Plugin *plugin = s->plugin;
- int res = GNUNET_OK;
- char *url;
CURLMcode mret;
-
- /* create url */
- if (NULL == http_common_plugin_address_to_string (NULL, s->addr, s->addrlen))
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Invalid address peer `%s'\n",
- GNUNET_i2s (&s->target));
- return GNUNET_SYSERR;
- }
-
- GNUNET_asprintf (&url, "%s%s;%u",
- http_common_plugin_address_to_string (plugin, s->addr, s->addrlen),
- GNUNET_h2s_full (&plugin->env->my_identity->hashPubKey),
- plugin->last_tag);
-
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Initiating outbound session peer `%s' using address `%s'\n",
- GNUNET_i2s (&s->target), url);
-
/* create get connection */
s->client_get = curl_easy_init ();
#if VERBOSE_CURL
curl_easy_setopt (s->client_get, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt (s->client_get, CURLOPT_SSL_VERIFYHOST, 0);
#endif
- curl_easy_setopt (s->client_get, CURLOPT_URL, url);
+ curl_easy_setopt (s->client_get, CURLOPT_URL, s->url);
//curl_easy_setopt (s->client_get, CURLOPT_HEADERFUNCTION, &curl_get_header_cb);
//curl_easy_setopt (s->client_get, CURLOPT_WRITEHEADER, ps);
curl_easy_setopt (s->client_get, CURLOPT_READFUNCTION, client_send_cb);
curl_easy_setopt (s->client_get, CURLOPT_READDATA, s);
curl_easy_setopt (s->client_get, CURLOPT_WRITEFUNCTION, client_receive);
curl_easy_setopt (s->client_get, CURLOPT_WRITEDATA, s);
- curl_easy_setopt (s->client_get, CURLOPT_TIMEOUT_MS,
- (long) GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value);
+ /* No timeout by default, timeout done with session timeout */
+ curl_easy_setopt (s->client_get, CURLOPT_TIMEOUT, 0);
curl_easy_setopt (s->client_get, CURLOPT_PRIVATE, s);
curl_easy_setopt (s->client_get, CURLOPT_CONNECTTIMEOUT_MS,
- (long) HTTP_NOT_VALIDATED_TIMEOUT.rel_value);
+ (long) HTTP_CLIENT_NOT_VALIDATED_TIMEOUT.rel_value);
curl_easy_setopt (s->client_get, CURLOPT_BUFFERSIZE,
2 * GNUNET_SERVER_MAX_MESSAGE_SIZE);
#if CURL_TCP_NODELAY
curl_easy_setopt (ps->recv_endpoint, CURLOPT_TCP_NODELAY, 1);
#endif
+ mret = curl_multi_add_handle (s->plugin->curl_multi_handle, s->client_get);
+ if (mret != CURLM_OK)
+ {
+ curl_easy_cleanup (s->client_get);
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
+static int
+client_connect_put (struct Session *s)
+{
+ CURLMcode mret;
/* create put connection */
- s->client_put = curl_easy_init ();
+ if (NULL == s->client_put)
+ {
+ s->client_put = curl_easy_init ();
+ }
#if VERBOSE_CURL
curl_easy_setopt (s->client_put, CURLOPT_VERBOSE, 1L);
curl_easy_setopt (s->client_put, CURLOPT_DEBUGFUNCTION, &client_log);
curl_easy_setopt (s->client_put, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt (s->client_put, CURLOPT_SSL_VERIFYHOST, 0);
#endif
- curl_easy_setopt (s->client_put, CURLOPT_URL, url);
- curl_easy_setopt (s->client_put, CURLOPT_PUT, 1L);
- //curl_easy_setopt (s->client_put, CURLOPT_HEADERFUNCTION, &curl_put_header_cb);
+ curl_easy_setopt (s->client_put, CURLOPT_URL, s->url);
+ curl_easy_setopt (s->client_put, CURLOPT_UPLOAD, 1L);
+ //curl_easy_setopt (s->client_put, CURLOPT_HEADERFUNCTION, &client_curl_header);
//curl_easy_setopt (s->client_put, CURLOPT_WRITEHEADER, ps);
curl_easy_setopt (s->client_put, CURLOPT_READFUNCTION, client_send_cb);
curl_easy_setopt (s->client_put, CURLOPT_READDATA, s);
- curl_easy_setopt (s->client_put, CURLOPT_WRITEFUNCTION, client_receive);
+ curl_easy_setopt (s->client_put, CURLOPT_WRITEFUNCTION, client_receive_put);
curl_easy_setopt (s->client_put, CURLOPT_WRITEDATA, s);
- curl_easy_setopt (s->client_put, CURLOPT_TIMEOUT_MS,
- (long) GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value);
+ /* No timeout by default, timeout done with session timeout */
+ curl_easy_setopt (s->client_put, CURLOPT_TIMEOUT, 0);
curl_easy_setopt (s->client_put, CURLOPT_PRIVATE, s);
curl_easy_setopt (s->client_put, CURLOPT_CONNECTTIMEOUT_MS,
- (long) HTTP_NOT_VALIDATED_TIMEOUT.rel_value);
+ (long) HTTP_CLIENT_NOT_VALIDATED_TIMEOUT.rel_value);
curl_easy_setopt (s->client_put, CURLOPT_BUFFERSIZE,
2 * GNUNET_SERVER_MAX_MESSAGE_SIZE);
#if CURL_TCP_NODELAY
curl_easy_setopt (s->client_put, CURLOPT_TCP_NODELAY, 1);
#endif
- GNUNET_free (url);
-
- mret = curl_multi_add_handle (plugin->curl_multi_handle, s->client_get);
+ mret = curl_multi_add_handle (s->plugin->curl_multi_handle, s->client_put);
if (mret != CURLM_OK)
{
- curl_easy_cleanup (s->client_get);
- GNUNET_break (0);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, s->plugin->name,
+ "Failed to add curl handle to multihandle: `%s'\n",
+ curl_multi_strerror (mret));
+
+ curl_easy_cleanup (s->client_put);
+ s->client_put = NULL;
return GNUNET_SYSERR;
}
+ return GNUNET_OK;
+}
- mret = curl_multi_add_handle (plugin->curl_multi_handle, s->client_put);
- if (mret != CURLM_OK)
+static int
+client_connect (struct Session *s)
+{
+
+ struct HTTP_Client_Plugin *plugin = s->plugin;
+ int res = GNUNET_OK;
+
+
+ /* create url */
+ if (NULL == http_common_plugin_address_to_string (NULL, s->addr, s->addrlen))
{
- curl_multi_remove_handle (plugin->curl_multi_handle, s->client_get);
- curl_easy_cleanup (s->client_get);
- curl_easy_cleanup (s->client_put);
- GNUNET_break (0);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Invalid address peer `%s'\n",
+ GNUNET_i2s (&s->target));
return GNUNET_SYSERR;
}
+ GNUNET_asprintf (&s->url, "%s/%s;%u",
+ http_common_plugin_address_to_string (plugin, s->addr, s->addrlen),
+ GNUNET_h2s_full (&plugin->env->my_identity->hashPubKey),
+ plugin->last_tag);
+
+ plugin->last_tag++;
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Initiating outbound session peer `%s' using address `%s'\n",
+ GNUNET_i2s (&s->target), s->url);
+
+ if ((GNUNET_SYSERR == client_connect_get (s)) ||
+ (GNUNET_SYSERR == client_connect_put (s)))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Session %p: connected with connections GET %p and PUT %p\n",
+ s, s->client_get, s->client_put);
+
/* Perform connect */
plugin->cur_connections += 2;
GNUNET_STATISTICS_set (plugin->env->stats,
return res;
}
-void
-client_delete_session (struct Session *s)
-{
- struct HTTP_Client_Plugin *plugin = s->plugin;
- struct HTTP_Message *pos = s->msg_head;
- struct HTTP_Message *next = NULL;
-
- client_stop_session_timeout (s);
-
- GNUNET_CONTAINER_DLL_remove (plugin->head, plugin->tail, s);
-
- while (NULL != (pos = next))
- {
- next = pos->next;
- GNUNET_CONTAINER_DLL_remove (s->msg_head, s->msg_tail, pos);
- if (pos->transmit_cont != NULL)
- pos->transmit_cont (pos->transmit_cont_cls, &s->target, GNUNET_SYSERR);
- GNUNET_free (pos);
- }
-
- if (s->msg_tk != NULL)
- {
- GNUNET_SERVER_mst_destroy (s->msg_tk);
- s->msg_tk = NULL;
- }
- GNUNET_free (s->addr);
- GNUNET_free (s);
-}
-
/**
* Creates a new outbound session the transport service will use to send data to the
{
struct HTTP_Client_Plugin *plugin = cls;
struct Session * s = NULL;
+ struct sockaddr *sa;
+ struct GNUNET_ATS_Information ats;
+ size_t salen = 0;
+ int res;
GNUNET_assert (plugin != NULL);
GNUNET_assert (address != NULL);
GNUNET_assert (address->address != NULL);
-
/* find existing session */
s = client_lookup_session (plugin, address);
if (s != NULL)
return NULL;
}
+ ats.type = htonl (GNUNET_ATS_NETWORK_TYPE);
+ ats.value = htonl (GNUNET_ATS_NET_UNSPECIFIED);
+ sa = http_common_socket_from_address (address->address, address->address_length, &res);
+
+ if (GNUNET_SYSERR == res)
+ {
+ return NULL;
+ }
+ else if (GNUNET_YES == res)
+ {
+ GNUNET_assert (NULL != sa);
+ if (AF_INET == sa->sa_family)
+ {
+ salen = sizeof (struct sockaddr_in);
+ }
+ else if (AF_INET == sa->sa_family)
+ {
+ salen = sizeof (struct sockaddr_in6);
+ }
+ ats = plugin->env->get_address_type (plugin->env->cls, sa, salen);
+ GNUNET_free (sa);
+ }
+ else if (GNUNET_NO == res)
+ {
+ ats.value = htonl (GNUNET_ATS_COST_WAN);
+ }
+
+ if (GNUNET_ATS_NET_UNSPECIFIED == ntohl(ats.value))
+ {
+ GNUNET_break (0);
+ return NULL;
+ }
+
s = GNUNET_malloc (sizeof (struct Session));
memcpy (&s->target, &address->peer, sizeof (struct GNUNET_PeerIdentity));
s->plugin = plugin;
s->addr = GNUNET_malloc (address->address_length);
memcpy (s->addr, address->address, address->address_length);
s->addrlen = address->address_length;
- //s->ats_address_network_type = ats.value;
- GNUNET_break (0);
+ s->ats_address_network_type = ats.value;
+ s->put_paused = GNUNET_NO;
+ s->put_tmp_disconnecting = GNUNET_NO;
client_start_session_timeout (s);
return s;
}
+
+/**
+ * Setup http_client plugin
+ *
+ * @param plugin the plugin handle
+ * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ */
static int
client_start (struct HTTP_Client_Plugin *plugin)
{
s->timeout_task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_log (TIMEOUT_LOG,
"Session %p was idle for %llu ms, disconnecting\n",
- s, (unsigned long long) TIMEOUT.rel_value);
+ s, (unsigned long long) CLIENT_SESSION_TIMEOUT.rel_value);
/* call session destroy function */
GNUNET_assert (GNUNET_OK == client_disconnect (s));
}
+
/**
-* Start session timeout
-*/
+ * Start session timeout for session s
+ *
+ * @param s the session
+ */
static void
client_start_session_timeout (struct Session *s)
{
GNUNET_assert (NULL != s);
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == s->timeout_task);
- s->timeout_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
+ s->timeout_task = GNUNET_SCHEDULER_add_delayed (CLIENT_SESSION_TIMEOUT,
&client_session_timeout,
s);
GNUNET_log (TIMEOUT_LOG,
"Timeout for session %p set to %llu ms\n",
- s, (unsigned long long) TIMEOUT.rel_value);
- GNUNET_break (0);
+ s, (unsigned long long) CLIENT_SESSION_TIMEOUT.rel_value);
}
+
/**
-* Increment session timeout due to activity
-*/
+ * Increment session timeout due to activity for session s
+ *
+ * param s the session
+ */
static void
client_reschedule_session_timeout (struct Session *s)
{
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK != s->timeout_task);
GNUNET_SCHEDULER_cancel (s->timeout_task);
- s->timeout_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
+ s->timeout_task = GNUNET_SCHEDULER_add_delayed (CLIENT_SESSION_TIMEOUT,
&client_session_timeout,
s);
GNUNET_log (TIMEOUT_LOG,
"Timeout rescheduled for session %p set to %llu ms\n",
- s, (unsigned long long) TIMEOUT.rel_value);
- GNUNET_break (0);
+ s, (unsigned long long) CLIENT_SESSION_TIMEOUT.rel_value);
}
+
/**
-* Cancel timeout
-*/
+ * Cancel timeout due to activity for session s
+ *
+ * param s the session
+ */
static void
client_stop_session_timeout (struct Session *s)
{
return GNUNET_NO;
}
+
/**
* Exit point from the plugin.
+ *
+ * @param cls api as closure
+ * @return NULL
*/
void *
LIBGNUNET_PLUGIN_TRANSPORT_DONE (void *cls)
{
struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
struct HTTP_Client_Plugin *plugin = api->cls;
+ struct Session *pos;
+ struct Session *next;
if (NULL == api->cls)
{
+ /* Stub shutdown */
GNUNET_free (api);
return NULL;
}
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ _("Shutting down plugin `%s'\n"),
+ plugin->name);
+
+
+ next = plugin->head;
+ while (NULL != (pos = next))
+ {
+ next = pos->next;
+ client_disconnect (pos);
+ }
+ if (GNUNET_SCHEDULER_NO_TASK != plugin->client_perform_task)
+ {
+ GNUNET_SCHEDULER_cancel (plugin->client_perform_task);
+ plugin->client_perform_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+
+
if (NULL != plugin->curl_multi_handle)
{
curl_multi_cleanup (plugin->curl_multi_handle);
}
curl_global_cleanup ();
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ _("Shutdown for plugin `%s' complete\n"),
+ plugin->name);
+
GNUNET_free (plugin);
GNUNET_free (api);
return NULL;
}
+/**
+ * Configure plugin
+ *
+ * @param plugin the plugin handle
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ */
+static int
+client_configure_plugin (struct HTTP_Client_Plugin *plugin)
+{
+ unsigned long long max_connections;
+
+ /* Optional parameters */
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (plugin->env->cfg,
+ plugin->name,
+ "MAX_CONNECTIONS", &max_connections))
+ max_connections = 128;
+ plugin->max_connections = max_connections;
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ _("Maximum number of connections is %u\n"),
+ plugin->max_connections);
+ return GNUNET_OK;
+}
+
/**
* Entry point for the plugin.
*/
plugin->name = "transport-http_client";
plugin->protocol = "http";
#endif
+ plugin->last_tag = 1;
+
+ if (GNUNET_SYSERR == client_configure_plugin (plugin))
+ {
+ LIBGNUNET_PLUGIN_TRANSPORT_DONE (api);
+ return NULL;
+ }
/* Start client */
if (GNUNET_SYSERR == client_start (plugin))
projects / oweals / gnunet.git / blobdiff