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2003-02-01 Anders Carlsson <andersca@codefactory.se>

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* bus/driver.c: (create_unique_client_name),
	(bus_driver_handle_hello):
	Don't take a name, just use a numeric id to identify
	each client.

	* dbus/Makefile.am:
	* dbus/dbus-bus.c: (dbus_bus_register_client),
	(dbus_bus_acquire_service), (dbus_bus_service_exists):
	* dbus/dbus-bus.h:
	Add new convenience functions for communicating with the bus.

	* dbus/dbus-message.h:

	* dbus/dbus-protocol.h:
	Fix a typo.
This commit is contained in:
Anders Carlsson 2003-02-01 21:26:32 +00:00
parent ffeb3f0ee1
commit dbc4c0ca13
6 changed files with 259 additions and 24 deletions
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18
ChangeLog
View file

@ -1,3 +1,21 @@
2003-02-01 Anders Carlsson <andersca@codefactory.se>
* bus/driver.c: (create_unique_client_name),
(bus_driver_handle_hello):
Don't take a name, just use a numeric id to identify
each client.
* dbus/Makefile.am:
* dbus/dbus-bus.c: (dbus_bus_register_client),
(dbus_bus_acquire_service), (dbus_bus_service_exists):
* dbus/dbus-bus.h:
Add new convenience functions for communicating with the bus.
* dbus/dbus-message.h:
* dbus/dbus-protocol.h:
Fix a typo.
2003-02-01 Alexander Larsson <alexl@redhat.com>
* dbus/dbus-message.c (dbus_message_append_fields):

24
bus/driver.c
View file

@ -105,8 +105,7 @@ bus_driver_send_service_acquired (DBusConnection *connection,
}
static dbus_bool_t
create_unique_client_name (const char *name,
DBusString *str)
create_unique_client_name (DBusString *str)
{
/* We never want to use the same unique client name twice, because
* we want to guarantee that if you send a message to a given unique
@ -118,9 +117,6 @@ create_unique_client_name (const char *name,
static int next_minor_number = 0;
int len;
if (!_dbus_string_append (str, name))
return FALSE;
len = _dbus_string_get_length (str);
while (TRUE)
@ -170,27 +166,11 @@ static void
bus_driver_handle_hello (DBusConnection *connection,
DBusMessage *message)
{
DBusResultCode result;
char *name;
DBusString unique_name;
BusService *service;
_DBUS_HANDLE_OOM ((result = dbus_message_get_fields (message,
DBUS_TYPE_STRING, &name,
0)) != DBUS_RESULT_NO_MEMORY);
if (result != DBUS_RESULT_SUCCESS)
{
dbus_free (name);
dbus_connection_disconnect (connection);
return;
}
_DBUS_HANDLE_OOM (_dbus_string_init (&unique_name, _DBUS_INT_MAX));
_DBUS_HANDLE_OOM (create_unique_client_name (name, &unique_name));
dbus_free (name);
_DBUS_HANDLE_OOM (create_unique_client_name (&unique_name));
/* Create the service */
_DBUS_HANDLE_OOM (service = bus_service_lookup (&unique_name, TRUE));

4
dbus/Makefile.am
View file

@ -8,6 +8,7 @@ lib_LTLIBRARIES=libdbus-1.la
dbusinclude_HEADERS= \
dbus.h \
dbus-address.h \
dbus-bus.h \
dbus-connection.h \
dbus-errors.h \
dbus-macros.h \
@ -23,6 +24,7 @@ libdbus_1_la_SOURCES= \
dbus-address.c \
dbus-auth.c \
dbus-auth.h \
dbus-bus.c \
dbus-connection.c \
dbus-connection-internal.h \
dbus-errors.c \
@ -111,4 +113,4 @@ dbus_test_LDADD= $(DBUS_CLIENT_LIBS) libdbus-convenience.la libdbus-1.la
dbus_break_loader_SOURCES= \
dbus-break-loader.c
dbus_break_loader_LDADD= $(DBUS_CLIENT_LIBS) libdbus-convenience.la libdbus-1.la
dbus_break_loader_LDADD= $(DBUS_CLIENT_LIBS) libdbus-convenience.la libdbus-1.la

192
dbus/dbus-bus.c Normal file
View file

@ -0,0 +1,192 @@
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-bus.h Convenience functions for communicating with the bus.
*
* Copyright (C) 2003 CodeFactory AB
*
* Licensed under the Academic Free License version 1.2
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "dbus-bus.h"
#include "dbus-protocol.h"
/**
* @defgroup DBusBus Convenience functinos for communicating with the bus.
* @ingroup DBus
* @brief Convenience functinos for communicating with the bus.
*
* @{
*/
/**
* Registers a connection with the bus. This is needed to send messages
* to other clients.
*
* @param connection The connection
* @param result address where a result code can be returned.
* @returns the service name of which the client is known as.
*/
char *
dbus_bus_register_client (DBusConnection *connection,
DBusResultCode *result)
{
DBusMessage *message, *reply;
DBusResultCode code;
char *name;
message = dbus_message_new (DBUS_SERVICE_DBUS,
DBUS_MESSAGE_HELLO);
if (!message)
{
dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
return NULL;
}
reply = dbus_connection_send_message_with_reply_and_block (connection, message, -1, result);
dbus_message_unref (message);
if (!reply)
return NULL;
code = dbus_message_get_fields (reply,
DBUS_TYPE_STRING, &name,
0);
if (code != DBUS_RESULT_SUCCESS)
{
dbus_set_result (result, code);
return NULL;
}
dbus_set_result (result, DBUS_RESULT_SUCCESS);
return name;
}
/**
* Asks the bus to try to acquire a certain service.
*
* @param connection the connection
* @param service_name the service name
* @param flags flags
* @param result address where a result code can be returned.
* @returns a result code.
*/
int
dbus_bus_acquire_service (DBusConnection *connection,
const char *service_name,
unsigned int flags,
DBusResultCode *result)
{
DBusMessage *message, *reply;
int service_result;
DBusResultCode code;
message = dbus_message_new (DBUS_SERVICE_DBUS,
DBUS_MESSAGE_ACQUIRE_SERVICE);
if (!message)
{
dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
return -1;
}
if (!dbus_message_append_fields (message,
DBUS_TYPE_STRING, service_name,
DBUS_TYPE_UINT32, flags,
0))
{
dbus_message_unref (message);
dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
return -1;
}
reply = dbus_connection_send_message_with_reply_and_block (connection, message, -1, result);
dbus_message_unref (message);
if (!reply)
return -1;
code = dbus_message_get_fields (reply,
DBUS_TYPE_UINT32, &service_result,
0);
if (code != DBUS_RESULT_SUCCESS)
{
dbus_set_result (result, code);
return -1;
}
dbus_set_result (result, DBUS_RESULT_SUCCESS);
return service_result;
}
/**
* Checks whether a certain service exists.
*
* @param connection the connection
* @param service_name the service name
* @param result address where a result code can be returned.
* @returns #TRUE if the service exists, #FALSE otherwise.
*/
dbus_bool_t
dbus_bus_service_exists (DBusConnection *connection,
const char *service_name,
DBusResultCode *result)
{
DBusMessage *message, *reply;
unsigned int exists;
DBusResultCode code;
message = dbus_message_new (DBUS_SERVICE_DBUS,
DBUS_MESSAGE_SERVICE_EXISTS);
if (!message)
{
dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
return FALSE;
}
if (!dbus_message_append_fields (message,
DBUS_TYPE_STRING, service_name,
0))
{
dbus_message_unref (message);
dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
return FALSE;
}
reply = dbus_connection_send_message_with_reply_and_block (connection, message, -1, result);
dbus_message_unref (message);
if (!reply)
return FALSE;
code = dbus_message_get_fields (reply,
DBUS_TYPE_UINT32, &exists,
0);
if (code != DBUS_RESULT_SUCCESS)
{
dbus_set_result (result, code);
return FALSE;
}
dbus_set_result (result, DBUS_RESULT_SUCCESS);
return (result != FALSE);
}
/** @} */

43
dbus/dbus-bus.h Normal file
View file

@ -0,0 +1,43 @@
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-bus.h Convenience functions for communicating with the bus.
*
* Copyright (C) 2003 CodeFactory AB
*
* Licensed under the Academic Free License version 1.2
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#if !defined (DBUS_INSIDE_DBUS_H) && !defined (DBUS_COMPILATION)
#error "Only <dbus/dbus.h> can be included directly, this file may disappear or change contents."
#endif
#ifndef DBUS_BUS_H
#define DBUS_BUS_H
#include <dbus/dbus-connection.h>
char * dbus_bus_register_client (DBusConnection *connection,
DBusResultCode *result);
int dbus_bus_acquire_service (DBusConnection *connection,
const char *service_name,
unsigned int flags,
DBusResultCode *result);
dbus_bool_t dbus_bus_service_exists (DBusConnection *connection,
const char *service_name,
DBusResultCode *result);
#endif /* DBUS_BUS_H */

2
dbus/dbus-protocol.h
View file

@ -79,7 +79,7 @@ extern "C" {
#define DBUS_MESSAGE_SERVICE_EXISTS "org.freedesktop.DBus.ServiceExists"
#define DBUS_MESSAGE_HELLO "org.freedesktop.DBus.Hello"
#define DBUS_MESSAGE_LIST_SERVICES "org.freedesktop.DBus.ListServices"
#define DBUS_MESSAGE_ACQUIRE_SERVICE "org.freedesktop.DBus.OwnService"
#define DBUS_MESSAGE_ACQUIRE_SERVICE "org.freedesktop.DBus.AcquireService"
#define DBUS_MESSAGE_SERVICE_ACQUIRED "org.freedesktop.DBus.ServiceAcquired"
#define DBUS_MESSAGE_SERVICE_CREATED "org.freedesktop.DBus.ServiceCreated"
#define DBUS_MESSAGE_SERVICE_DELETED "org.freedesktop.DBus.ServiceDeleted"