GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
#include "gnunet_time_lib.h"
#include "gnunet_dv_service.h"
#include "dv.h"
+#include "gnunet_transport_plugin.h"
+#define LOG(kind,...) GNUNET_log_from (kind, "dv-api",__VA_ARGS__)
+/**
+ * Store ready to send messages
+ */
struct PendingMessages
{
/**
};
-
-
/**
* Handle for the service.
*/
struct GNUNET_DV_Handle
{
- /**
- * Our scheduler.
- */
- struct GNUNET_SCHEDULER_Handle *sched;
/**
* Configuration to use.
*/
struct PendingMessages *current;
- /**
- * Kill off the connection and any pending messages.
- */
- int do_destroy;
-
/**
* Handler for messages we receive from the DV service
*/
*/
void *receive_cls;
+ /**
+ * Current unique ID
+ */
+ uint32_t uid_gen;
+
+ /**
+ * Hashmap containing outstanding send requests awaiting confirmation.
+ */
+ struct GNUNET_CONTAINER_MultiHashMap *send_callbacks;
+
};
struct StartContext
{
-
/**
* Start message
*/
struct GNUNET_DV_Handle *handle;
};
+struct SendCallbackContext
+{
+ /**
+ * The continuation to call once a message is confirmed sent (or failed)
+ */
+ GNUNET_TRANSPORT_TransmitContinuation cont;
+
+ /**
+ * Closure to call with send continuation.
+ */
+ void *cont_cls;
+
+ /**
+ * Target of the message.
+ */
+ struct GNUNET_PeerIdentity target;
+
+ /**
+ * Payload size in bytes
+ */
+ size_t payload_size;
+
+ /**
+ * DV message size
+ */
+ size_t msg_size;
+};
+
+/**
+ * Convert unique ID to hash code.
+ *
+ * @param uid unique ID to convert
+ * @param hash set to uid (extended with zeros)
+ */
+static void
+hash_from_uid (uint32_t uid, struct GNUNET_HashCode * hash)
+{
+ memset (hash, 0, sizeof (struct GNUNET_HashCode));
+ *((uint32_t *) hash) = uid;
+}
/**
* Try to (re)connect to the dv service.
*
+ * @param ret handle to the (disconnected) dv service
+ *
* @return GNUNET_YES on success, GNUNET_NO on failure.
*/
static int
{
if (ret->client != NULL)
return GNUNET_OK;
- ret->client = GNUNET_CLIENT_connect (ret->sched, "dv", ret->cfg);
+ ret->client = GNUNET_CLIENT_connect ("dv", ret->cfg);
if (ret->client != NULL)
return GNUNET_YES;
-#if DEBUG_STATISTICS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- _("Failed to connect to the dv service!\n"));
+#if DEBUG_DV_MESSAGES
+ LOG (GNUNET_ERROR_TYPE_DEBUG, _("Failed to connect to the dv service!\n"));
#endif
return GNUNET_NO;
}
-static void process_pending_message(struct GNUNET_DV_Handle *handle);
+static void
+process_pending_message (struct GNUNET_DV_Handle *handle);
/**
* Send complete, schedule next
+ *
+ * @param handle handle to the dv service
+ * @param code return code for send (unused)
*/
static void
finish (struct GNUNET_DV_Handle *handle, int code)
{
struct PendingMessages *pos = handle->current;
+
handle->current = NULL;
process_pending_message (handle);
+ GNUNET_free (pos->msg);
GNUNET_free (pos);
}
-
+/**
+ * Notification that we can send data
+ *
+ * @param cls handle to the dv service (struct GNUNET_DV_Handle)
+ * @param size how many bytes can we send
+ * @param buf where to copy the message to send
+ *
+ * @return how many bytes we copied to buf
+ */
static size_t
transmit_pending (void *cls, size_t size, void *buf)
{
#if DEBUG_DV
if (handle->current != NULL)
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "DV API: Transmit pending called with message type %d\n", ntohs(handle->current->msg->header.type));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "DV API: Transmit pending called with message type %d\n",
+ ntohs (handle->current->msg->header.type));
#endif
if (buf == NULL)
- {
+ {
#if DEBUG_DV
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "DV API: Transmit pending FAILED!\n\n\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "DV API: Transmit pending FAILED!\n\n\n");
#endif
- finish(handle, GNUNET_SYSERR);
- return 0;
- }
+ finish (handle, GNUNET_SYSERR);
+ return 0;
+ }
handle->th = NULL;
ret = 0;
if (handle->current != NULL)
{
- tsize = ntohs(handle->current->msg->header.size);
+ tsize = ntohs (handle->current->msg->header.size);
if (size >= tsize)
{
- memcpy(buf, handle->current->msg, tsize);
+ memcpy (buf, handle->current->msg, tsize);
#if DEBUG_DV
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "DV API: Copied %d bytes into buffer!\n\n\n", tsize);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "DV API: Copied %d bytes into buffer!\n\n\n", tsize);
#endif
- finish(handle, GNUNET_OK);
+ finish (handle, GNUNET_OK);
return tsize;
}
/**
* Try to send messages from list of messages to send
+ *
+ * @param handle handle to the distance vector service
*/
-static void process_pending_message(struct GNUNET_DV_Handle *handle)
+static void
+process_pending_message (struct GNUNET_DV_Handle *handle)
{
if (handle->current != NULL)
return; /* action already pending */
if (GNUNET_YES != try_connect (handle))
- {
- finish (handle, GNUNET_SYSERR);
- return;
- }
+ {
+ finish (handle, GNUNET_SYSERR);
+ return;
+ }
/* schedule next action */
handle->current = handle->pending_list;
if (NULL == handle->current)
- {
- if (handle->do_destroy)
- {
- handle->do_destroy = GNUNET_NO;
- //GNUNET_DV_disconnect (handle); /* FIXME: replace with proper disconnect stuffs */
- }
- return;
- }
+ {
+ return;
+ }
handle->pending_list = handle->pending_list->next;
handle->current->next = NULL;
if (NULL ==
- (handle->th = GNUNET_CLIENT_notify_transmit_ready (handle->client,
- ntohs(handle->current->msg->msgbuf_size),
- handle->current->msg->timeout,
- GNUNET_YES,
- &transmit_pending, handle)))
- {
+ (handle->th =
+ GNUNET_CLIENT_notify_transmit_ready (handle->client,
+ ntohs (handle->current->msg->
+ header.size),
+ handle->current->msg->timeout,
+ GNUNET_YES, &transmit_pending,
+ handle)))
+ {
#if DEBUG_DV
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Failed to transmit request to dv service.\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Failed to transmit request to dv service.\n");
#endif
- finish (handle, GNUNET_SYSERR);
- }
+ finish (handle, GNUNET_SYSERR);
+ }
}
/**
* @param handle handle to the specified DV api
* @param msg the message to add to the list
*/
-static void add_pending(struct GNUNET_DV_Handle *handle, struct GNUNET_DV_SendMessage *msg)
+static void
+add_pending (struct GNUNET_DV_Handle *handle, struct GNUNET_DV_SendMessage *msg)
{
struct PendingMessages *new_message;
struct PendingMessages *pos;
struct PendingMessages *last;
- new_message = GNUNET_malloc(sizeof(struct PendingMessages));
+ new_message = GNUNET_malloc (sizeof (struct PendingMessages));
new_message->msg = msg;
if (handle->pending_list != NULL)
+ {
+ pos = handle->pending_list;
+ while (pos != NULL)
{
- pos = handle->pending_list;
- while(pos != NULL)
- {
- last = pos;
- pos = pos->next;
- }
- new_message->next = last->next; /* Should always be null */
- last->next = new_message;
+ last = pos;
+ pos = pos->next;
}
+ last->next = new_message;
+ }
else
- {
- new_message->next = handle->pending_list; /* Will always be null */
- handle->pending_list = new_message;
- }
+ {
+ handle->pending_list = new_message;
+ }
- process_pending_message(handle);
+ process_pending_message (handle);
}
-
-void handle_message_receipt (void *cls,
- const struct GNUNET_MessageHeader * msg)
+/**
+ * Handles a message sent from the DV service to us.
+ * Parse it out and give it to the plugin.
+ *
+ * @param cls the handle to the DV API
+ * @param msg the message that was received
+ */
+void
+handle_message_receipt (void *cls, const struct GNUNET_MessageHeader *msg)
{
struct GNUNET_DV_Handle *handle = cls;
struct GNUNET_DV_MessageReceived *received_msg;
+ struct GNUNET_DV_SendResultMessage *send_result_msg;
size_t packed_msg_len;
size_t sender_address_len;
char *sender_address;
char *packed_msg;
char *packed_msg_start;
+ struct GNUNET_HashCode uidhash;
+ struct SendCallbackContext *send_ctx;
if (msg == NULL)
{
- return; /* Connection closed? */
+#if DEBUG_DV_MESSAGES
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "DV_API receive: connection closed\n");
+#endif
+ return; /* Connection closed? */
}
- GNUNET_assert(ntohs(msg->type) == GNUNET_MESSAGE_TYPE_TRANSPORT_DV_RECEIVE);
-
- if (ntohs(msg->size) < sizeof(struct GNUNET_DV_MessageReceived))
- return;
+ GNUNET_assert ((ntohs (msg->type) == GNUNET_MESSAGE_TYPE_TRANSPORT_DV_RECEIVE)
+ || (ntohs (msg->type) ==
+ GNUNET_MESSAGE_TYPE_TRANSPORT_DV_SEND_RESULT));
- received_msg = (struct GNUNET_DV_MessageReceived *)msg;
- packed_msg_len = ntohs(received_msg->msg_len);
- sender_address_len = ntohs(received_msg->sender_address_len);
+ switch (ntohs (msg->type))
+ {
+ case GNUNET_MESSAGE_TYPE_TRANSPORT_DV_RECEIVE:
+ if (ntohs (msg->size) < sizeof (struct GNUNET_DV_MessageReceived))
+ return;
- GNUNET_assert(ntohs(msg->size) == (sizeof(struct GNUNET_DV_MessageReceived) + packed_msg_len + sender_address_len));
-#if DEBUG_DV
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "dv api receives message, size checks out!\n");
+ received_msg = (struct GNUNET_DV_MessageReceived *) msg;
+ packed_msg_len = ntohl (received_msg->msg_len);
+ sender_address_len =
+ ntohs (msg->size) - packed_msg_len -
+ sizeof (struct GNUNET_DV_MessageReceived);
+ GNUNET_assert (sender_address_len > 0);
+ sender_address = GNUNET_malloc (sender_address_len);
+ memcpy (sender_address, &received_msg[1], sender_address_len);
+ packed_msg_start = (char *) &received_msg[1];
+ packed_msg = GNUNET_malloc (packed_msg_len);
+ memcpy (packed_msg, &packed_msg_start[sender_address_len], packed_msg_len);
+
+#if DEBUG_DV_MESSAGES
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "DV_API receive: packed message type: %d or %d\n",
+ ntohs (((struct GNUNET_MessageHeader *) packed_msg)->type),
+ ((struct GNUNET_MessageHeader *) packed_msg)->type);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "DV_API receive: message sender reported as %s\n",
+ GNUNET_i2s (&received_msg->sender));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "DV_API receive: distance is %u\n",
+ ntohl (received_msg->distance));
#endif
- sender_address = GNUNET_malloc(sender_address_len);
- memcpy(sender_address, &received_msg[1], sender_address_len);
- packed_msg_start = (char *)&received_msg[1];
- packed_msg = GNUNET_malloc(packed_msg_len);
- memcpy(packed_msg, &packed_msg_start[sender_address_len], packed_msg_len);
-#if DEBUG_DV
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "packed message type: %d or %d\n", ntohs(((struct GNUNET_MessageHeader *)packed_msg)->type), ((struct GNUNET_MessageHeader *)packed_msg)->type);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "message sender reported as %s\n", GNUNET_i2s(&received_msg->sender));
-#endif
- handle->receive_handler(handle->receive_cls,
- &received_msg->sender,
- packed_msg,
- packed_msg_len,
- ntohl(received_msg->distance),
- sender_address,
- sender_address_len);
-
- GNUNET_free(sender_address);
-
- GNUNET_CLIENT_receive (handle->client,
- &handle_message_receipt,
- handle, GNUNET_TIME_UNIT_FOREVER_REL);
+ handle->receive_handler (handle->receive_cls, &received_msg->sender,
+ packed_msg, packed_msg_len,
+ ntohl (received_msg->distance), sender_address,
+ sender_address_len);
+
+ GNUNET_free (sender_address);
+ break;
+ case GNUNET_MESSAGE_TYPE_TRANSPORT_DV_SEND_RESULT:
+ if (ntohs (msg->size) < sizeof (struct GNUNET_DV_SendResultMessage))
+ return;
+
+ send_result_msg = (struct GNUNET_DV_SendResultMessage *) msg;
+ hash_from_uid (ntohl (send_result_msg->uid), &uidhash);
+ send_ctx =
+ GNUNET_CONTAINER_multihashmap_get (handle->send_callbacks, &uidhash);
+
+ if ((send_ctx != NULL) && (send_ctx->cont != NULL))
+ {
+ if (ntohl (send_result_msg->result) == 0)
+ {
+ send_ctx->cont (send_ctx->cont_cls, &send_ctx->target, GNUNET_OK,
+ send_ctx->payload_size, send_ctx->msg_size);
+ }
+ else
+ {
+ send_ctx->cont (send_ctx->cont_cls, &send_ctx->target, GNUNET_SYSERR,
+ send_ctx->payload_size, 0);
+ }
+ }
+ GNUNET_free_non_null (send_ctx);
+ break;
+ default:
+ break;
+ }
+ GNUNET_CLIENT_receive (handle->client, &handle_message_receipt, handle,
+ GNUNET_TIME_UNIT_FOREVER_REL);
}
/**
* @param timeout how long can this message be delayed (pass through to core)
* @param addr the address of this peer (internally known to DV)
* @param addrlen the length of the peer address
+ * @param cont continuation to call once the message has been sent (or failed)
+ * @param cont_cls closure for continuation
*
*/
-int GNUNET_DV_send (struct GNUNET_DV_Handle *dv_handle,
- const struct GNUNET_PeerIdentity *target,
- const char *msgbuf,
- size_t msgbuf_size,
- unsigned int priority,
- struct GNUNET_TIME_Relative timeout,
- const void *addr,
- size_t addrlen)
+int
+GNUNET_DV_send (struct GNUNET_DV_Handle *dv_handle,
+ const struct GNUNET_PeerIdentity *target, const char *msgbuf,
+ size_t msgbuf_size, unsigned int priority,
+ struct GNUNET_TIME_Relative timeout, const void *addr,
+ size_t addrlen, GNUNET_TRANSPORT_TransmitContinuation cont,
+ void *cont_cls)
{
struct GNUNET_DV_SendMessage *msg;
+ struct SendCallbackContext *send_ctx;
char *end_of_message;
- /* FIXME: Copy message to end of thingy, can't just allocate dummy! */
-#if DEBUG_DV
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "DV SEND called with message of size %d, address size %d, total size to send is %d\n", msgbuf_size, addrlen, sizeof(struct GNUNET_DV_SendMessage) + msgbuf_size + addrlen);
+ struct GNUNET_HashCode uidhash;
+ int msize;
+
+#if DEBUG_DV_MESSAGES
+ dv_handle->uid_gen =
+ GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG, UINT32_MAX);
+#else
+ dv_handle->uid_gen++;
#endif
- msg = GNUNET_malloc(sizeof(struct GNUNET_DV_SendMessage) + addrlen + msgbuf_size);
- msg->header.size = htons(sizeof(struct GNUNET_DV_SendMessage) + addrlen + msgbuf_size);
- msg->header.type = htons(GNUNET_MESSAGE_TYPE_TRANSPORT_DV_SEND);
- memcpy(&msg->target, target, sizeof(struct GNUNET_PeerIdentity));
- msg->msgbuf_size = htons(msgbuf_size);
- msg->priority = htonl(priority);
+
+ msize = sizeof (struct GNUNET_DV_SendMessage) + addrlen + msgbuf_size;
+ msg = GNUNET_malloc (msize);
+ msg->header.size = htons (msize);
+ msg->header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_DV_SEND);
+ memcpy (&msg->target, target, sizeof (struct GNUNET_PeerIdentity));
+ msg->priority = htonl (priority);
msg->timeout = timeout;
- msg->addrlen = htons(addrlen);
- memcpy(&msg[1], addr, addrlen);
- end_of_message = (char *)&msg[1];
+ msg->addrlen = htonl (addrlen);
+ msg->uid = htonl (dv_handle->uid_gen);
+ memcpy (&msg[1], addr, addrlen);
+ end_of_message = (char *) &msg[1];
end_of_message = &end_of_message[addrlen];
- memcpy(end_of_message, msgbuf, msgbuf_size);
- add_pending(dv_handle, msg);
+ memcpy (end_of_message, msgbuf, msgbuf_size);
+ add_pending (dv_handle, msg);
+ send_ctx = GNUNET_malloc (sizeof (struct SendCallbackContext));
+ send_ctx->payload_size = msgbuf_size;
+ send_ctx->msg_size = msize;
+ send_ctx->cont = cont;
+ send_ctx->cont_cls = cont_cls;
+ memcpy (&send_ctx->target, target, sizeof (struct GNUNET_PeerIdentity));
+ hash_from_uid (dv_handle->uid_gen, &uidhash);
+ GNUNET_CONTAINER_multihashmap_put (dv_handle->send_callbacks, &uidhash,
+ send_ctx,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE);
return GNUNET_OK;
}
-/* Forward declaration */
-void GNUNET_DV_disconnect(struct GNUNET_DV_Handle *handle);
-
+/**
+ * Callback to transmit a start message to
+ * the DV service, once we can send
+ *
+ * @param cls struct StartContext
+ * @param size how much can we send
+ * @param buf where to copy the message
+ *
+ * @return number of bytes copied to buf
+ */
static size_t
transmit_start (void *cls, size_t size, void *buf)
{
struct GNUNET_DV_Handle *handle = start_context->handle;
size_t tsize;
+#if DEBUG_DV
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "DV API: sending start request to service\n");
+#endif
if (buf == NULL)
- {
- GNUNET_free(start_context->message);
- GNUNET_free(start_context);
- GNUNET_DV_disconnect(handle);
- return 0;
- }
+ {
+ GNUNET_free (start_context->message);
+ GNUNET_free (start_context);
+ GNUNET_DV_disconnect (handle);
+ return 0;
+ }
- tsize = ntohs(start_context->message->size);
+ tsize = ntohs (start_context->message->size);
if (size >= tsize)
{
- memcpy(buf, start_context->message, tsize);
+ memcpy (buf, start_context->message, tsize);
+ GNUNET_free (start_context->message);
+ GNUNET_free (start_context);
+ GNUNET_CLIENT_receive (handle->client, &handle_message_receipt, handle,
+ GNUNET_TIME_UNIT_FOREVER_REL);
+
+
return tsize;
}
/**
* Connect to the DV service
*
- * @param sched the scheduler to use
* @param cfg the configuration to use
* @param receive_handler method call when on receipt from the service
* @param receive_handler_cls closure for receive_handler
* @return handle to the DV service
*/
struct GNUNET_DV_Handle *
-GNUNET_DV_connect (struct GNUNET_SCHEDULER_Handle *sched,
- const struct GNUNET_CONFIGURATION_Handle *cfg,
- GNUNET_DV_MessageReceivedHandler receive_handler,
- void *receive_handler_cls)
+GNUNET_DV_connect (const struct GNUNET_CONFIGURATION_Handle *cfg,
+ GNUNET_DV_MessageReceivedHandler receive_handler,
+ void *receive_handler_cls)
{
struct GNUNET_DV_Handle *handle;
struct GNUNET_MessageHeader *start_message;
struct StartContext *start_context;
- handle = GNUNET_malloc(sizeof(struct GNUNET_DV_Handle));
+
+ handle = GNUNET_malloc (sizeof (struct GNUNET_DV_Handle));
handle->cfg = cfg;
- handle->sched = sched;
handle->pending_list = NULL;
handle->current = NULL;
- handle->do_destroy = GNUNET_NO;
handle->th = NULL;
- handle->client = GNUNET_CLIENT_connect(sched, "dv", cfg);
+ handle->client = GNUNET_CLIENT_connect ("dv", cfg);
handle->receive_handler = receive_handler;
handle->receive_cls = receive_handler_cls;
if (handle->client == NULL)
- {
- GNUNET_free(handle);
- return NULL;
- }
+ {
+ GNUNET_free (handle);
+ return NULL;
+ }
- start_message = GNUNET_malloc(sizeof(struct GNUNET_MessageHeader));
- start_message->size = htons(sizeof(struct GNUNET_MessageHeader));
- start_message->type = htons(GNUNET_MESSAGE_TYPE_DV_START);
+ start_message = GNUNET_malloc (sizeof (struct GNUNET_MessageHeader));
+ start_message->size = htons (sizeof (struct GNUNET_MessageHeader));
+ start_message->type = htons (GNUNET_MESSAGE_TYPE_DV_START);
- start_context = GNUNET_malloc(sizeof(struct StartContext));
+ start_context = GNUNET_malloc (sizeof (struct StartContext));
start_context->handle = handle;
start_context->message = start_message;
GNUNET_CLIENT_notify_transmit_ready (handle->client,
- sizeof(struct GNUNET_MessageHeader),
- GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 60),
- GNUNET_YES,
- &transmit_start, start_context);
+ sizeof (struct GNUNET_MessageHeader),
+ GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS, 60),
+ GNUNET_YES, &transmit_start,
+ start_context);
- GNUNET_CLIENT_receive (handle->client,
- &handle_message_receipt,
- handle, GNUNET_TIME_UNIT_FOREVER_REL);
+ handle->send_callbacks = GNUNET_CONTAINER_multihashmap_create (100, GNUNET_NO);
return handle;
}
*
* @param handle the current handle to the service to disconnect
*/
-void GNUNET_DV_disconnect(struct GNUNET_DV_Handle *handle)
+void
+GNUNET_DV_disconnect (struct GNUNET_DV_Handle *handle)
{
struct PendingMessages *pos;
- GNUNET_assert(handle != NULL);
+ GNUNET_assert (handle != NULL);
- if (handle->th != NULL) /* We have a live transmit request in the Aether */
- {
- GNUNET_CLIENT_notify_transmit_ready_cancel (handle->th);
- handle->th = NULL;
- }
- if (handle->current != NULL) /* We are trying to send something now, clean it up */
- GNUNET_free(handle->current);
- while (NULL != (pos = handle->pending_list)) /* Remove all pending sends from the list */
- {
- handle->pending_list = pos->next;
- GNUNET_free(pos);
- }
- if (handle->client != NULL) /* Finally, disconnect from the service */
- {
- GNUNET_CLIENT_disconnect (handle->client, GNUNET_NO);
- handle->client = NULL;
- }
+ if (handle->th != NULL) /* We have a live transmit request in the Aether */
+ {
+ GNUNET_CLIENT_notify_transmit_ready_cancel (handle->th);
+ handle->th = NULL;
+ }
+ if (handle->current != NULL) /* We are trying to send something now, clean it up */
+ GNUNET_free (handle->current);
+ while (NULL != (pos = handle->pending_list)) /* Remove all pending sends from the list */
+ {
+ handle->pending_list = pos->next;
+ GNUNET_free (pos);
+ }
+ if (handle->client != NULL) /* Finally, disconnect from the service */
+ {
+ GNUNET_CLIENT_disconnect (handle->client);
+ handle->client = NULL;
+ }
GNUNET_free (handle);
}
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