-typedef void (*GNUNET_CLIENT_MessageHandler) (void *cls,
- const struct GNUNET_MessageHeader *msg);
-
-
-/**
- * Read from the service.
- *
- * @param client connection to the service
- * @param handler function to call with the message
- * @param handler_cls closure for @a handler
- * @param timeout how long to wait until timing out
- */
-void
-GNUNET_CLIENT_receive (struct GNUNET_CLIENT_Connection *client,
- GNUNET_CLIENT_MessageHandler handler, void *handler_cls,
- struct GNUNET_TIME_Relative timeout);
-
-
-/**
- * Transmit handle for client connections.
- */
-struct GNUNET_CLIENT_TransmitHandle;
-
-
-/**
- * Ask the client to call us once the specified number of bytes
- * are free in the transmission buffer. Will never call the @a notify
- * callback in this task, but always first go into the scheduler.
- *
- * @param client connection to the service
- * @param size number of bytes to send
- * @param timeout after how long should we give up (and call
- * @a notify with buf NULL and size 0)?
- * @param auto_retry if the connection to the service dies, should we
- * automatically re-connect and retry (within the timeout period)
- * or should we immediately fail in this case? Pass #GNUNET_YES
- * if the caller does not care about temporary connection errors,
- * for example because the protocol is stateless
- * @param notify function to call
- * @param notify_cls closure for @a notify
- * @return NULL if someone else is already waiting to be notified
- * non-NULL if the notify callback was queued (can be used to cancel
- * using #GNUNET_CONNECTION_notify_transmit_ready_cancel)
- */
-struct GNUNET_CLIENT_TransmitHandle *
-GNUNET_CLIENT_notify_transmit_ready (struct GNUNET_CLIENT_Connection *client,
- size_t size,
- struct GNUNET_TIME_Relative timeout,
- int auto_retry,
- GNUNET_CONNECTION_TransmitReadyNotify notify,
- void *notify_cls);
-
-
-/**
- * Cancel a request for notification.
- *
- * @param th handle from the original request.
- */
-void
-GNUNET_CLIENT_notify_transmit_ready_cancel (struct GNUNET_CLIENT_TransmitHandle
- *th);
-
-
-/**
- * Convenience API that combines sending a request
- * to the service and waiting for a response.
- * If either operation times out, the callback
- * will be called with a "NULL" response (in which
- * case the connection should probably be destroyed).
- *
- * @param client connection to use
- * @param hdr message to transmit
- * @param timeout when to give up (for both transmission
- * and for waiting for a response)
- * @param auto_retry if the connection to the service dies, should we
- * automatically re-connect and retry (within the timeout period)
- * or should we immediately fail in this case? Pass #GNUNET_YES
- * if the caller does not care about temporary connection errors,
- * for example because the protocol is stateless
- * @param rn function to call with the response
- * @param rn_cls closure for @a rn
- * @return #GNUNET_OK on success, #GNUNET_SYSERR if a request
- * is already pending
- */
-int
-GNUNET_CLIENT_transmit_and_get_response (struct GNUNET_CLIENT_Connection *client,
- const struct GNUNET_MessageHeader *hdr,
- struct GNUNET_TIME_Relative timeout,
- int auto_retry,
- GNUNET_CLIENT_MessageHandler rn,
- void *rn_cls);
-
-
-/**
- * Handle for a test to check if a service is running.
- */
-struct GNUNET_CLIENT_TestHandle;
-
-/**
- * Function called with the result on the service test.
- *
- * @param cls closure
- * @param result #GNUNET_YES if the service is running,
- * #GNUNET_NO if the service is not running
- * #GNUNET_SYSERR if the configuration is invalid
- */
-typedef void (*GNUNET_CLIENT_TestResultCallback)(void *cls,
- int result);
-
-
-/**
- * Test if the service is running. If we are given a UNIXPATH or a
- * local address, we do this NOT by trying to connect to the service,
- * but by trying to BIND to the same port. If the BIND fails, we know
- * the service is running.
- *
- * @param service name of the service to wait for
- * @param cfg configuration to use
- * @param timeout how long to wait at most
- * @param cb function to call with the result
- * @param cb_cls closure for @a cb
- * @return handle to cancel the test
- */
-struct GNUNET_CLIENT_TestHandle *
-GNUNET_CLIENT_service_test (const char *service,
- const struct GNUNET_CONFIGURATION_Handle *cfg,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_CLIENT_TestResultCallback cb, void *cb_cls);
-
-
-/**
- * Abort testing for service.
- *
- * @param th test handle
- */
-void
-GNUNET_CLIENT_service_test_cancel (struct GNUNET_CLIENT_TestHandle *th);