/*
This file is part of GNUnet.
- (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2001-2013, 2016 GNUnet e.V.
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
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
- * @file include/gnunet_client_lib.h
- * @brief functions related to accessing services
* @author Christian Grothoff
+ *
+ * @file
+ * Functions related to accessing services
+
+ * @defgroup client Client library
+ * Generic client-side communication with services
+ *
+ * @see [Documentation](https://gnunet.org/ipc)
+ *
+ * @{
*/
#ifndef GNUNET_CLIENT_LIB_H
#endif
#endif
-#include "gnunet_common.h"
-#include "gnunet_configuration_lib.h"
-#include "gnunet_connection_lib.h"
-#include "gnunet_scheduler_lib.h"
-#include "gnunet_time_lib.h"
-
-/**
- * Opaque handle for a connection to a service.
- */
-struct GNUNET_CLIENT_Connection;
-
-/**
- * Get a connection with a service.
- *
- * @param sched scheduler to use
- * @param service_name name of the service
- * @param cfg configuration to use
- * @return NULL on error (service unknown to configuration)
- */
-struct GNUNET_CLIENT_Connection *GNUNET_CLIENT_connect (struct
- GNUNET_SCHEDULER_Handle
- *sched,
- const char
- *service_name,
- const struct
- GNUNET_CONFIGURATION_Handle
- *cfg);
-
-/**
- * Destroy connection with the service. This will
- * automatically cancel any pending "receive" request
- * (however, the handler will *NOT* be called, not
- * even with a NULL message).
- */
-void GNUNET_CLIENT_disconnect (struct GNUNET_CLIENT_Connection *sock);
-
-/**
- * Type of a function to call when we receive a message
- * from the service.
- *
- * @param cls closure
- * @param msg message received, NULL on timeout or fatal error
- */
-typedef void (*GNUNET_CLIENT_MessageHandler) (void *cls,
- const struct
- GNUNET_MessageHeader * msg);
-
-/**
- * Read from the service.
- *
- * @param sched scheduler to use
- * @param sock the service
- * @param handler function to call with the message
- * @param cls closure for handler
- * @param timeout how long to wait until timing out
- */
-void GNUNET_CLIENT_receive (struct GNUNET_CLIENT_Connection *sock,
- GNUNET_CLIENT_MessageHandler handler,
- void *cls, struct GNUNET_TIME_Relative timeout);
+#include "gnunet_mq_lib.h"
/**
- * Ask the client to call us once the specified number of bytes
- * are free in the transmission buffer. May call the notify
- * method immediately if enough space is available.
+ * Create a message queue to connect to a GNUnet service.
+ * If handlers are specfied, receive messages from the connection.
*
- * @param client connection to the service
- * @param size number of bytes to send
- * @param timeout after how long should we give up (and call
- * notify with buf NULL and size 0)?
- * @param notify function to call
- * @param notify_cls closure for 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)
+ * @param connection the client connection
+ * @param handlers handlers for receiving messages, can be NULL
+ * @param error_handler error handler
+ * @param error_handler_cls closure for the @a error_handler
+ * @return the message queue, NULL on error
*/
-struct GNUNET_CONNECTION_TransmitHandle
- *GNUNET_CLIENT_notify_transmit_ready (struct GNUNET_CLIENT_Connection *sock,
- size_t size,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_CONNECTION_TransmitReadyNotify
- notify, void *notify_cls);
-
-
-/**
- * Request that the service should shutdown.
- * Afterwards, the connection should be disconnected.
- *
- * @param sched scheduler to use
- * @param sock the socket connected to the service
- */
-void GNUNET_CLIENT_service_shutdown (struct GNUNET_CLIENT_Connection *sock);
-
-
-/**
- * Wait until the service is running.
- *
- * @param sched scheduler to use
- * @param service name of the service to wait for
- * @param cfg configuration to use
- * @param timeout how long to wait at most in ms
- * @param task task to run if service is running
- * (reason will be "PREREQ_DONE" (service running)
- * or "TIMEOUT" (service not known to be running))
- * @param task_cls closure for task
- */
-void GNUNET_CLIENT_service_test (struct GNUNET_SCHEDULER_Handle *sched,
- const char *service,
- const struct GNUNET_CONFIGURATION_Handle *cfg,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_SCHEDULER_Task task, void *task_cls);
+struct GNUNET_MQ_Handle *
+GNUNET_CLIENT_connect (const struct GNUNET_CONFIGURATION_Handle *cfg,
+ const char *service_name,
+ const struct GNUNET_MQ_MessageHandler *handlers,
+ GNUNET_MQ_ErrorHandler error_handler,
+ void *error_handler_cls);
#if 0 /* keep Emacsens' auto-indent happy */
/* ifndef GNUNET_CLIENT_LIB_H */
#endif
+
+/** @} */ /* end of group client */
+
/* end of gnunet_client_lib.h */