117 lines
5 KiB
C
117 lines
5 KiB
C
#ifndef fooclienthfoo
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#define fooclienthfoo
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/***
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This file is part of avahi.
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avahi is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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avahi is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with avahi; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#include <inttypes.h>
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#include <avahi-common/cdecl.h>
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#include <avahi-common/address.h>
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#include <avahi-common/strlst.h>
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#include <avahi-common/defs.h>
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#include <avahi-common/watch.h>
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#include <avahi-common/gccmacro.h>
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/** \file client.h Definitions and functions for the client API over D-Bus */
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AVAHI_C_DECL_BEGIN
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/** A connection context */
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typedef struct AvahiClient AvahiClient;
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/** States of a client object, a superset of AvahiServerState */
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typedef enum {
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AVAHI_CLIENT_S_REGISTERING = AVAHI_SERVER_REGISTERING, /**< Server state: REGISTERING */
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AVAHI_CLIENT_S_RUNNING = AVAHI_SERVER_RUNNING, /**< Server state: RUNNING */
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AVAHI_CLIENT_S_COLLISION = AVAHI_SERVER_COLLISION, /**< Server state: COLLISION */
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AVAHI_CLIENT_FAILURE = 100, /**< Some kind of error happened on the client side */
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AVAHI_CLIENT_CONNECTING = 101 /**< We're still connecting. This state is only entered when AVAHI_CLIENT_NO_FAIL has been passed to avahi_client_new() and the daemon is not yet available. */
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} AvahiClientState;
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typedef enum {
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AVAHI_CLIENT_IGNORE_USER_CONFIG = 1, /**< Don't read user configuration */
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AVAHI_CLIENT_NO_FAIL = 2 /**< Don't fail if the daemon is not available when avahi_client_new() is called, instead enter AVAHI_CLIENT_CONNECTING state and wait for the daemon to appear */
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} AvahiClientFlags;
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/** The function prototype for the callback of an AvahiClient */
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typedef void (*AvahiClientCallback) (
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AvahiClient *s,
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AvahiClientState state /**< The new state of the client */,
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void* userdata /**< The user data that was passed to avahi_client_new() */);
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/** @{ \name Construction and destruction */
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/** Creates a new client instance */
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AvahiClient* avahi_client_new (
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const AvahiPoll *poll_api /**< The abstract event loop API to use */,
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AvahiClientFlags flags /**< Some flags to modify the behaviour of the client library */,
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AvahiClientCallback callback /**< A callback that is called whenever the state of the client changes. This may be NULL. Please note that this function is called for the first time from within the avahi_client_new() context! Thus, in the callback you should not make use of global variables that are initialized only after your call to avahi_client_new(). A common mistake is to store the AvahiClient pointer returned by avahi_client_new() in a global variable and assume that this global variable already contains the valid pointer when the callback is called for the first time. A work-around for this is to always use the AvahiClient pointer passed to the callback function instead of the global pointer. */,
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void *userdata /**< Some arbitrary user data pointer that will be passed to the callback function */,
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int *error /**< If creation of the client fails, this integer will contain the error cause. May be NULL if you aren't interested in the reason why avahi_client_new() failed. */);
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/** Free a client instance. This will automatically free all
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* associated browser, resolve and entry group objects. All pointers
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* to such objects become invalid! */
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void avahi_client_free(AvahiClient *client);
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/** @} */
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/** @{ \name Properties */
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/** Get the version of the server */
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const char* avahi_client_get_version_string (AvahiClient*);
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/** Get host name */
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const char* avahi_client_get_host_name (AvahiClient*);
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/** Set host name. \since 0.6.13 */
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int avahi_client_set_host_name(AvahiClient*, const char *name);
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/** Get domain name */
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const char* avahi_client_get_domain_name (AvahiClient*);
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/** Get FQDN domain name */
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const char* avahi_client_get_host_name_fqdn (AvahiClient*);
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/** Get state */
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AvahiClientState avahi_client_get_state(AvahiClient *client);
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/** @{ \name Error Handling */
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/** Get the last error number. See avahi_strerror() for converting this error code into a human readable string. */
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int avahi_client_errno (AvahiClient*);
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/** @} */
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/** \cond fulldocs */
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/** Return the local service cookie. returns AVAHI_SERVICE_COOKIE_INVALID on failure. */
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uint32_t avahi_client_get_local_service_cookie(AvahiClient *client);
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/** \endcond */
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/** @{ \name Libc NSS Support */
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/** Return 1 if gethostbyname() supports mDNS lookups, 0 otherwise. \since 0.6.5 */
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int avahi_nss_support(void);
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/** @} */
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AVAHI_C_DECL_END
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#endif
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