}
+/**
+ * @brief Callback that informs whether the requested queue will be
+ * established
+ *
+ * Implements #GNUNET_TRANSPORT_TESTING_QueueCreateReplyCallback.
+ *
+ * @param cls Closure - unused
+ * @param tc_h Communicator handle - unused
+ * @param will_try #GNUNET_YES if queue will be established
+ * #GNUNET_NO if queue will not be established (bogous address)
+ */
static void
queue_create_reply_cb (void *cls,
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
- int success)
+ int will_try)
{
- if (GNUNET_YES == success)
+ if (GNUNET_YES == will_try)
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Got Queue!\n");
+ "Queue will be established!\n");
else
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Failed getting queue!\n");
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "Queue won't be established (bougus address?)!\n");
}
+/**
+ * @brief Handle opening of queue
+ *
+ * Issues sending of test data
+ *
+ * Implements #GNUNET_TRANSPORT_TESTING_AddQueueCallback
+ *
+ * @param cls Closure
+ * @param tc_h Communicator handle
+ * @param tc_queue Handle to newly opened queue
+ */
static void
add_queue_cb (void *cls,
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
}
+/**
+ * @brief Handle an incoming message
+ *
+ * Implements #GNUNET_TRANSPORT_TESTING_IncomingMessageCallback
+
+ * @param cls Closure
+ * @param tc_h Handle to the receiving communicator
+ * @param msg Received message
+ */
+void
+incoming_message_cb (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
+ const struct GNUNET_MessageHeader *msg)
+{
+}
+
+
+/**
+ * @brief Main function called by the scheduler
+ *
+ * @param cls Closure - Handle to configuration
+ */
static void
run (void *cls)
{
NULL,
&queue_create_reply_cb,
&add_queue_cb,
+ NULL,
NULL); /* cls */
tc_hs[1] = GNUNET_TRANSPORT_TESTING_transport_communicator_service_start (
"transport",
#define LOG(kind, ...) GNUNET_log_from (kind, "transport-testing2", __VA_ARGS__)
+/**
+ * @brief Handle to a transport communicator
+ */
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle
{
/**
char *c_address;
/**
- * @brief Head of the queues
+ * @brief Head of the DLL of queues associated with this communicator
*/
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *queue_head;
/**
- * @brief Tail of the queues
+ * @brief Tail of the DLL of queues associated with this communicator
*/
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *queue_tail;
*/
GNUNET_TRANSPORT_TESTING_AddQueueCallback add_queue_cb;
+ /**
+ * @brief Callback called when a new communicator connects
+ */
+ GNUNET_TRANSPORT_TESTING_IncomingMessageCallback incoming_msg_cb;
+
/**
* @brief Closure to the callback
*/
};
+/**
+ * @brief Queue of a communicator and some context
+ */
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue
{
/**
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h;
/**
- * @brief Task to request the opening of a view
+ * @brief Envelope to a message that requests the opening of the queue.
+ *
+ * If the client already requests queue(s), but the communicator is not yet
+ * connected, we cannot send the request to open the queue. Save it until the
+ * communicator becomes available and send it then.
*/
struct GNUNET_MQ_Envelope *open_queue_env;
};
+/**
+ * @brief Handle/Context to a single transmission
+ */
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorTransmission
{
};
/**
* @brief Handle new communicator
*
- * @param cls Closure
+ * Store characteristics of communicator, call respective client callback.
+ *
+ * @param cls Closure - communicator handle
* @param msg Message struct
*/
static void
}
+/**
+ * @brief The communicator informs about an address.
+ *
+ * Store address and call client callback.
+ *
+ * @param cls Closure - communicator handle
+ * @param msg Message
+ */
static void
handle_add_address (void *cls,
const struct GNUNET_TRANSPORT_AddAddressMessage *msg)
}
+/**
+ * @brief Communicator informs that it wont try establishing requested queue.
+ *
+ * It will not do so probably because the address is bougus (see comment to
+ * #GNUNET_MESSAGE_TYPE_TRANSPORT_QUEUE_CREATE_FAIL)
+ *
+ * @param cls Closure - communicator handle
+ * @param msg Message
+ */
static void
handle_queue_create_fail (
void *cls,
/**
- * @brief Handle new communicator
+ * @brief Handle new queue
*
- * @param cls Closure
+ * Store context and call client callback.
+ *
+ * @param cls Closure - communicator handle
* @param msg Message struct
*/
static void
if (NULL == tc_h->queue_head)
return tc_h;
+ /* Iterate over queues. They are yet to be opened. Request opening. */
while (NULL != (tc_queue_iter = tc_h->queue_head))
{
if (NULL == tc_queue_iter->open_queue_env)
continue;
+ /* Send the previously created mq envelope to request the creation of the
+ * queue. */
GNUNET_MQ_send (tc_h->c_mq, tc_queue_iter->open_queue_env);
tc_queue_iter->open_queue_env = NULL;
}
}
+/**
+ * @brief Instruct communicator to open a queue
+ *
+ * @param tc_h Handle to communicator which shall open queue
+ * @param peer_id Towards which peer
+ * @param address For which address
+ */
void
GNUNET_TRANSPORT_TESTING_transport_communicator_open_queue (
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
}
+/**
+ * @brief Instruct communicator to send data
+ *
+ * @param tc_queue The queue to use for sending
+ * @param payload Data to send
+ * @param payload_size Size of the payload
+ *
+ * @return Handle to the transmission
+ */
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorTransmission *
GNUNET_TRANSPORT_TESTING_transport_communicator_send
(struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *tc_queue,
/**
* @file transport/transport-testing2.h
- * @brief functions related to testing-tng
+ * @brief functions and structures related to testing-tng
* @author Christian Grothoff
* @author Julius Bünger
*/
#include "transport.h"
+/**
+ * @brief Handle to a transport communicator
+ */
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle;
+
+/**
+ * @brief Queue of a communicator and some context
+ */
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue;
+
+/**
+ * @brief Handle/Context to a single transmission
+ */
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorTransmission;
+
/**
- * @brief Function signature for callbacks that are called when new communicators become available
+ * @brief Function signature for callbacks that are called when new
+ * communicators become available
*
- * @param Closure
- * @param msg Message
+ * @param cls Closure
+ * @param tc_h Communicator handle
+ * @param cc Characteristics of communicator
+ * @param address_prefix Prefix of the address
*/
typedef void
(*GNUNET_TRANSPORT_TESTING_CommunicatorAvailableCallback)(void *cls,
char *address_prefix);
+/**
+ * @brief Receive information about the address of a communicator.
+ *
+ * @param cls Closure
+ * @param tc_h Communicator handle
+ * @param address Address represented as string
+ * @param expiration Expiration
+ * @param aid Aid
+ * @param nt Network Type
+ */
typedef void
(*GNUNET_TRANSPORT_TESTING_AddAddressCallback)(void *cls,
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
enum GNUNET_NetworkType nt);
+/**
+ * @brief Get informed about the success of a queue request.
+ *
+ * @param cls Closure
+ * @param tc_h Communicator handle
+ * @param will_try #GNUNET_YES if communicator will try to create queue
+ */
typedef void
(*GNUNET_TRANSPORT_TESTING_QueueCreateReplyCallback)(void *cls,
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
int will_try);
+/**
+ * @brief Handle opening of queue
+ *
+ * @param cls Closure
+ * @param tc_h Communicator handle
+ * @param tc_queue Handle to newly opened queue
+ */
typedef void
(*GNUNET_TRANSPORT_TESTING_AddQueueCallback)(void *cls,
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *tc_queue);
+/**
+ * @brief Handle an incoming message
+ *
+ * @param cls Closure
+ * @param tc_h Handle to the receiving communicator
+ * @param msg Received message
+ */
+typedef void
+(*GNUNET_TRANSPORT_TESTING_IncomingMessageCallback)(void *cls,
+ struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
+ const struct GNUNET_MessageHeader *msg);
+
+
/**
* @brief Start communicator part of transport service and communicator
*
* @param cfg Configuration handle
* @param communicator_available Callback that is called when a new
* communicator becomes available
+ * @param add_address_cb Callback handling new addresses
+ * @param queue_create_reply_cb Callback handling success of queue requests
+ * @param add_queue_cb Callback handling freshly created queues
+ * @param incoming_message_cb Callback handling incoming messages
* @param cb_cls Closure to @p communicator_available
*
* @return Handle to the communicator duo
*/
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
-GNUNET_TRANSPORT_TESTING_transport_communicator_service_start
- (const char *service_name,
+GNUNET_TRANSPORT_TESTING_transport_communicator_service_start (
+ const char *service_name,
const char *binary_name,
const char *cfg_filename,
GNUNET_TRANSPORT_TESTING_CommunicatorAvailableCallback communicator_available_cb,
GNUNET_TRANSPORT_TESTING_AddAddressCallback add_address_cb,
GNUNET_TRANSPORT_TESTING_QueueCreateReplyCallback queue_create_reply_cb,
GNUNET_TRANSPORT_TESTING_AddQueueCallback add_queue_cb,
+ GNUNET_TRANSPORT_TESTING_IncomingMessageCallback incoming_message_cb,
void *cb_cls);
+
+/**
+ * @brief Instruct communicator to open a queue
+ *
+ * @param tc_h Handle to communicator which shall open queue
+ * @param peer_id Towards which peer
+ * @param address For which address
+ */
void
GNUNET_TRANSPORT_TESTING_transport_communicator_open_queue
(struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
const struct GNUNET_PeerIdentity *peer_id,
const char *address);
+
+/**
+ * @brief Instruct communicator to send data
+ *
+ * @param tc_queue The queue to use for sending
+ * @param payload Data to send
+ * @param payload_size Size of the payload
+ *
+ * @return Handle to the transmission
+ */
struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorTransmission *
GNUNET_TRANSPORT_TESTING_transport_communicator_send
(struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *tc_queue,
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