+++ /dev/null
-/***
- This file is part of avahi.
-
- avahi is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- avahi 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 Lesser General
- Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with avahi; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <dbus/dbus.h>
-
-#include <avahi-client/client.h>
-#include <avahi-common/dbus.h>
-#include <avahi-common/llist.h>
-#include <avahi-common/error.h>
-#include <avahi-common/malloc.h>
-#include <avahi-common/domain.h>
-
-#include "client.h"
-#include "internal.h"
-#include "xdg-config.h"
-
-static void parse_environment(AvahiDomainBrowser *b) {
- char buf[AVAHI_DOMAIN_NAME_MAX*3], *e, *t, *p;
-
- assert(b);
-
- if (!(e = getenv("AVAHI_BROWSE_DOMAINS")))
- return;
-
- snprintf(buf, sizeof(buf), "%s", e);
-
- for (t = strtok_r(buf, ":", &p); t; t = strtok_r(NULL, ":", &p)) {
- char domain[AVAHI_DOMAIN_NAME_MAX];
- if (avahi_normalize_name(t, domain, sizeof(domain)))
- b->static_browse_domains = avahi_string_list_add(b->static_browse_domains, domain);
- }
-}
-
-static void parse_domain_file(AvahiDomainBrowser *b) {
- FILE *f;
- char buf[AVAHI_DOMAIN_NAME_MAX];
-
- assert(b);
-
- if (!(f = avahi_xdg_config_open("avahi/browse-domains")))
- return;
-
-
- while (fgets(buf, sizeof(buf)-1, f)) {
- char domain[AVAHI_DOMAIN_NAME_MAX];
- buf[strcspn(buf, "\n\r")] = 0;
-
- if (avahi_normalize_name(buf, domain, sizeof(domain)))
- b->static_browse_domains = avahi_string_list_add(b->static_browse_domains, domain);
- }
-}
-
-static void domain_browser_ref(AvahiDomainBrowser *db) {
- assert(db);
- assert(db->ref >= 1);
- db->ref++;
-}
-
-static void defer_timeout_callback(AvahiTimeout *t, void *userdata) {
- AvahiDomainBrowser *db = userdata;
- AvahiStringList *l;
- assert(t);
-
- db->client->poll_api->timeout_free(db->defer_timeout);
- db->defer_timeout = NULL;
-
- domain_browser_ref(db);
-
- for (l = db->static_browse_domains; l; l = l->next) {
-
- if (db->ref <= 1)
- break;
-
- db->callback(db, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_BROWSER_NEW, (char*) l->text, AVAHI_LOOKUP_RESULT_STATIC, db->userdata);
- }
-
- avahi_domain_browser_free(db);
-}
-
-AvahiDomainBrowser* avahi_domain_browser_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *domain,
- AvahiDomainBrowserType btype,
- AvahiLookupFlags flags,
- AvahiDomainBrowserCallback callback,
- void *userdata) {
-
- AvahiDomainBrowser *db = NULL;
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- char *path;
- int32_t i_interface, i_protocol, bt;
- uint32_t u_flags;
-
- assert(client);
- assert(callback);
-
- dbus_error_init (&error);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- goto fail;
- }
-
- if (!domain)
- domain = "";
-
- if (!(db = avahi_new (AvahiDomainBrowser, 1))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- db->ref = 1;
- db->client = client;
- db->callback = callback;
- db->userdata = userdata;
- db->path = NULL;
- db->interface = interface;
- db->protocol = protocol;
- db->static_browse_domains = NULL;
- db->defer_timeout = NULL;
-
- AVAHI_LLIST_PREPEND(AvahiDomainBrowser, domain_browsers, client->domain_browsers, db);
-
- if (!(client->flags & AVAHI_CLIENT_IGNORE_USER_CONFIG)) {
- parse_environment(db);
- parse_domain_file(db);
- }
-
- db->static_browse_domains = avahi_string_list_reverse(db->static_browse_domains);
-
- if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew"))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- u_flags = (uint32_t) flags;
- bt = btype;
-
- if (!(dbus_message_append_args(
- message,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_INT32, &bt,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
- dbus_error_is_set(&error)) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
- dbus_error_is_set(&error) ||
- !path) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!(db->path = avahi_strdup(path))) {
-
- /* FIXME: We don't remove the object on the server side */
-
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (db->static_browse_domains && btype == AVAHI_DOMAIN_BROWSER_BROWSE) {
- struct timeval tv = { 0, 0 };
-
- if (!(db->defer_timeout = client->poll_api->timeout_new(client->poll_api, &tv, defer_timeout_callback, db))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
- }
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return db;
-
-fail:
-
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- if (db)
- avahi_domain_browser_free(db);
-
- if (message)
- dbus_message_unref(message);
-
- if (reply)
- dbus_message_unref(reply);
-
- return NULL;
-}
-
-AvahiClient* avahi_domain_browser_get_client (AvahiDomainBrowser *b) {
- assert(b);
- return b->client;
-}
-
-int avahi_domain_browser_free (AvahiDomainBrowser *b) {
- AvahiClient *client;
- int r = AVAHI_OK;
-
- assert(b);
- assert(b->ref >= 1);
-
- if (--(b->ref) >= 1)
- return AVAHI_OK;
-
- client = b->client;
-
- if (b->path && avahi_client_is_connected(b->client))
- r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Free");
-
- AVAHI_LLIST_REMOVE(AvahiDomainBrowser, domain_browsers, client->domain_browsers, b);
-
- if (b->defer_timeout)
- b->client->poll_api->timeout_free(b->defer_timeout);
-
- avahi_string_list_free(b->static_browse_domains);
- avahi_free(b->path);
- avahi_free(b);
-
- return r;
-}
-
-DBusHandlerResult avahi_domain_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) {
- AvahiDomainBrowser *db = NULL;
- DBusError error;
- const char *path;
- char *domain = NULL;
- int32_t interface, protocol;
- uint32_t flags = 0;
- AvahiStringList *l;
-
- assert(client);
- assert(message);
-
- dbus_error_init (&error);
-
- if (!(path = dbus_message_get_path(message)))
- goto fail;
-
- for (db = client->domain_browsers; db; db = db->domain_browsers_next)
- if (strcmp (db->path, path) == 0)
- break;
-
- if (!db)
- goto fail;
-
- interface = db->interface;
- protocol = db->protocol;
-
- switch (event) {
- case AVAHI_BROWSER_NEW:
- case AVAHI_BROWSER_REMOVE:
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_UINT32, &flags,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse browser event.\n");
- goto fail;
- }
-
- break;
-
- case AVAHI_BROWSER_CACHE_EXHAUSTED:
- case AVAHI_BROWSER_ALL_FOR_NOW:
- break;
-
- case AVAHI_BROWSER_FAILURE: {
- char *etxt;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_STRING, &etxt,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse browser event.\n");
- goto fail;
- }
-
- avahi_client_set_errno(db->client, avahi_error_dbus_to_number(etxt));
- break;
- }
- }
-
- if (domain)
- for (l = db->static_browse_domains; l; l = l->next)
- if (avahi_domain_equal((char*) l->text, domain)) {
- /* We had this entry already in the static entries */
- return DBUS_HANDLER_RESULT_HANDLED;
- }
-
- db->callback(db, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, domain, (AvahiLookupResultFlags) flags, db->userdata);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-fail:
- dbus_error_free (&error);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-/* AvahiServiceTypeBrowser */
-
-AvahiServiceTypeBrowser* avahi_service_type_browser_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *domain,
- AvahiLookupFlags flags,
- AvahiServiceTypeBrowserCallback callback,
- void *userdata) {
-
- AvahiServiceTypeBrowser *b = NULL;
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- char *path;
- int32_t i_interface, i_protocol;
- uint32_t u_flags;
-
- assert(client);
- assert(callback);
-
- dbus_error_init(&error);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- goto fail;
- }
-
- if (!domain)
- domain = "";
-
- if (!(b = avahi_new(AvahiServiceTypeBrowser, 1))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- b->client = client;
- b->callback = callback;
- b->userdata = userdata;
- b->path = NULL;
- b->domain = NULL;
- b->interface = interface;
- b->protocol = protocol;
-
- AVAHI_LLIST_PREPEND(AvahiServiceTypeBrowser, service_type_browsers, client->service_type_browsers, b);
-
- if (domain[0])
- if (!(b->domain = avahi_strdup(domain))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew"))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- u_flags = (uint32_t) flags;
-
- if (!dbus_message_append_args(
- message,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID)) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
- dbus_error_is_set(&error)) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
- dbus_error_is_set(&error) ||
- !path) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!(b->path = avahi_strdup(path))) {
-
- /* FIXME: We don't remove the object on the server side */
-
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return b;
-
-fail:
-
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- if (b)
- avahi_service_type_browser_free(b);
-
- if (message)
- dbus_message_unref(message);
-
- if (reply)
- dbus_message_unref(reply);
-
- return NULL;
-}
-
-AvahiClient* avahi_service_type_browser_get_client (AvahiServiceTypeBrowser *b) {
- assert(b);
- return b->client;
-}
-
-int avahi_service_type_browser_free (AvahiServiceTypeBrowser *b) {
- AvahiClient *client;
- int r = AVAHI_OK;
-
- assert(b);
- client = b->client;
-
- if (b->path && avahi_client_is_connected(b->client))
- r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Free");
-
- AVAHI_LLIST_REMOVE(AvahiServiceTypeBrowser, service_type_browsers, b->client->service_type_browsers, b);
-
- avahi_free(b->path);
- avahi_free(b->domain);
- avahi_free(b);
- return r;
-}
-
-DBusHandlerResult avahi_service_type_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) {
- AvahiServiceTypeBrowser *b = NULL;
- DBusError error;
- const char *path;
- char *domain, *type = NULL;
- int32_t interface, protocol;
- uint32_t flags = 0;
-
- assert(client);
- assert(message);
-
- dbus_error_init (&error);
-
- if (!(path = dbus_message_get_path(message)))
- goto fail;
-
- for (b = client->service_type_browsers; b; b = b->service_type_browsers_next)
- if (strcmp (b->path, path) == 0)
- break;
-
- if (!b)
- goto fail;
-
- domain = b->domain;
- interface = b->interface;
- protocol = b->protocol;
-
- switch (event) {
- case AVAHI_BROWSER_NEW:
- case AVAHI_BROWSER_REMOVE:
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_STRING, &type,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_UINT32, &flags,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set(&error)) {
- fprintf(stderr, "Failed to parse browser event.\n");
- goto fail;
- }
- break;
-
- case AVAHI_BROWSER_CACHE_EXHAUSTED:
- case AVAHI_BROWSER_ALL_FOR_NOW:
- break;
-
- case AVAHI_BROWSER_FAILURE: {
- char *etxt;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_STRING, &etxt,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse browser event.\n");
- goto fail;
- }
-
- avahi_client_set_errno(b->client, avahi_error_dbus_to_number(etxt));
- break;
- }
- }
-
- b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, type, domain, (AvahiLookupResultFlags) flags, b->userdata);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-fail:
- dbus_error_free (&error);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-/* AvahiServiceBrowser */
-
-AvahiServiceBrowser* avahi_service_browser_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *type,
- const char *domain,
- AvahiLookupFlags flags,
- AvahiServiceBrowserCallback callback,
- void *userdata) {
-
- AvahiServiceBrowser *b = NULL;
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- char *path;
- int32_t i_protocol, i_interface;
- uint32_t u_flags;
-
- assert(client);
- assert(type);
- assert(callback);
-
- dbus_error_init(&error);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- goto fail;
- }
-
- if (!domain)
- domain = "";
-
- if (!(b = avahi_new(AvahiServiceBrowser, 1))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- b->client = client;
- b->callback = callback;
- b->userdata = userdata;
- b->path = NULL;
- b->type = b->domain = NULL;
- b->interface = interface;
- b->protocol = protocol;
-
- AVAHI_LLIST_PREPEND(AvahiServiceBrowser, service_browsers, client->service_browsers, b);
-
- if (!(b->type = avahi_strdup(type))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (domain && domain[0])
- if (!(b->domain = avahi_strdup(domain))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew"))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- u_flags = (uint32_t) flags;
-
- if (!dbus_message_append_args(
- message,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_STRING, &type,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID)) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
- dbus_error_is_set(&error)) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
- dbus_error_is_set(&error) ||
- !path) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!(b->path = avahi_strdup(path))) {
-
- /* FIXME: We don't remove the object on the server side */
-
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return b;
-
-fail:
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- if (b)
- avahi_service_browser_free(b);
-
- if (message)
- dbus_message_unref(message);
-
- if (reply)
- dbus_message_unref(reply);
-
- return NULL;
-}
-
-AvahiClient* avahi_service_browser_get_client (AvahiServiceBrowser *b) {
- assert(b);
- return b->client;
-}
-
-int avahi_service_browser_free (AvahiServiceBrowser *b) {
- AvahiClient *client;
- int r = AVAHI_OK;
-
- assert(b);
- client = b->client;
-
- if (b->path && avahi_client_is_connected(b->client))
- r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Free");
-
- AVAHI_LLIST_REMOVE(AvahiServiceBrowser, service_browsers, b->client->service_browsers, b);
-
- avahi_free(b->path);
- avahi_free(b->type);
- avahi_free(b->domain);
- avahi_free(b);
- return r;
-}
-
-DBusHandlerResult avahi_service_browser_event(AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) {
- AvahiServiceBrowser *b = NULL;
- DBusError error;
- const char *path;
- char *name = NULL, *type, *domain;
- int32_t interface, protocol;
- uint32_t flags = 0;
-
- dbus_error_init (&error);
-
- if (!(path = dbus_message_get_path(message)))
- goto fail;
-
- for (b = client->service_browsers; b; b = b->service_browsers_next)
- if (strcmp (b->path, path) == 0)
- break;
-
- if (!b)
- goto fail;
-
- type = b->type;
- domain = b->domain;
- interface = b->interface;
- protocol = b->protocol;
-
- switch (event) {
- case AVAHI_BROWSER_NEW:
- case AVAHI_BROWSER_REMOVE:
-
- if (!dbus_message_get_args (
- message, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &type,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_UINT32, &flags,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set(&error)) {
- fprintf(stderr, "Failed to parse browser event.\n");
- goto fail;
- }
- break;
-
- case AVAHI_BROWSER_CACHE_EXHAUSTED:
- case AVAHI_BROWSER_ALL_FOR_NOW:
- break;
-
- case AVAHI_BROWSER_FAILURE: {
- char *etxt;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_STRING, &etxt,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse browser event.\n");
- goto fail;
- }
-
- avahi_client_set_errno(b->client, avahi_error_dbus_to_number(etxt));
- break;
- }
- }
-
- b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, name, type, domain, (AvahiLookupResultFlags) flags, b->userdata);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-fail:
- dbus_error_free (&error);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-/* AvahiRecordBrowser */
-
-AvahiRecordBrowser* avahi_record_browser_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *name,
- uint16_t clazz,
- uint16_t type,
- AvahiLookupFlags flags,
- AvahiRecordBrowserCallback callback,
- void *userdata) {
-
- AvahiRecordBrowser *b = NULL;
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- char *path;
- int32_t i_protocol, i_interface;
- uint32_t u_flags;
-
- assert(client);
- assert(name);
- assert(callback);
-
- dbus_error_init(&error);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- goto fail;
- }
-
- if (!(b = avahi_new(AvahiRecordBrowser, 1))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- b->client = client;
- b->callback = callback;
- b->userdata = userdata;
- b->path = NULL;
- b->name = NULL;
- b->clazz = clazz;
- b->type = type;
- b->interface = interface;
- b->protocol = protocol;
-
- AVAHI_LLIST_PREPEND(AvahiRecordBrowser, record_browsers, client->record_browsers, b);
-
- if (!(b->name = avahi_strdup(name))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "RecordBrowserNew"))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- u_flags = (uint32_t) flags;
-
- if (!dbus_message_append_args(
- message,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_UINT16, &clazz,
- DBUS_TYPE_UINT16, &type,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID)) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
- dbus_error_is_set(&error)) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
- dbus_error_is_set(&error) ||
- !path) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!(b->path = avahi_strdup(path))) {
-
- /* FIXME: We don't remove the object on the server side */
-
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return b;
-
-fail:
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- if (b)
- avahi_record_browser_free(b);
-
- if (message)
- dbus_message_unref(message);
-
- if (reply)
- dbus_message_unref(reply);
-
- return NULL;
-}
-
-AvahiClient* avahi_record_browser_get_client (AvahiRecordBrowser *b) {
- assert(b);
- return b->client;
-}
-
-int avahi_record_browser_free (AvahiRecordBrowser *b) {
- AvahiClient *client;
- int r = AVAHI_OK;
-
- assert(b);
- client = b->client;
-
- if (b->path && avahi_client_is_connected(b->client))
- r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "Free");
-
- AVAHI_LLIST_REMOVE(AvahiRecordBrowser, record_browsers, b->client->record_browsers, b);
-
- avahi_free(b->path);
- avahi_free(b->name);
- avahi_free(b);
- return r;
-}
-
-DBusHandlerResult avahi_record_browser_event(AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) {
- AvahiRecordBrowser *b = NULL;
- DBusError error;
- const char *path;
- char *name;
- int32_t interface, protocol;
- uint32_t flags = 0;
- uint16_t clazz, type;
- void *rdata = NULL;
- int rdata_size = 0;
-
- dbus_error_init (&error);
-
- if (!(path = dbus_message_get_path(message)))
- goto fail;
-
- for (b = client->record_browsers; b; b = b->record_browsers_next)
- if (strcmp (b->path, path) == 0)
- break;
-
- if (!b)
- goto fail;
-
- interface = b->interface;
- protocol = b->protocol;
- clazz = b->clazz;
- type = b->type;
- name = b->name;
-
- switch (event) {
- case AVAHI_BROWSER_NEW:
- case AVAHI_BROWSER_REMOVE: {
- DBusMessageIter iter, sub;
- int j;
-
- if (!dbus_message_get_args (
- message, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_UINT16, &clazz,
- DBUS_TYPE_UINT16, &type,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set(&error)) {
- fprintf(stderr, "Failed to parse browser event.\n");
- goto fail;
- }
-
-
- dbus_message_iter_init(message, &iter);
-
- for (j = 0; j < 5; j++)
- dbus_message_iter_next(&iter);
-
- if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_BYTE)
- goto fail;
-
- dbus_message_iter_recurse(&iter, &sub);
- dbus_message_iter_get_fixed_array(&sub, &rdata, &rdata_size);
-
- dbus_message_iter_next(&iter);
-
- if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
- goto fail;
-
- dbus_message_iter_get_basic(&iter, &flags);
-
- break;
- }
-
- case AVAHI_BROWSER_CACHE_EXHAUSTED:
- case AVAHI_BROWSER_ALL_FOR_NOW:
- break;
-
- case AVAHI_BROWSER_FAILURE: {
- char *etxt;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_STRING, &etxt,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse browser event.\n");
- goto fail;
- }
-
- avahi_client_set_errno(b->client, avahi_error_dbus_to_number(etxt));
- break;
- }
- }
-
- b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, name, clazz, type, rdata, (size_t) rdata_size, (AvahiLookupResultFlags) flags, b->userdata);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-fail:
- dbus_error_free (&error);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
projects / catta / blobdiff