| /* $Id$ */ |
| |
| /*** |
| 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 "client.h" |
| #include "internal.h" |
| |
| /* AvahiServiceResolver implementation */ |
| |
| DBusHandlerResult avahi_service_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) { |
| AvahiServiceResolver *r = NULL; |
| DBusError error; |
| const char *path; |
| AvahiStringList *strlst = NULL; |
| |
| assert(client); |
| assert(message); |
| |
| dbus_error_init (&error); |
| |
| if (!(path = dbus_message_get_path(message))) |
| goto fail; |
| |
| for (r = client->service_resolvers; r; r = r->service_resolvers_next) |
| if (strcmp (r->path, path) == 0) |
| break; |
| |
| if (!r) |
| goto fail; |
| |
| switch (event) { |
| case AVAHI_RESOLVER_FOUND: { |
| int j; |
| int32_t interface, protocol, aprotocol; |
| uint32_t flags; |
| char *name, *type, *domain, *host, *address; |
| uint16_t port; |
| DBusMessageIter iter, sub; |
| AvahiAddress a; |
| |
| 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_STRING, &host, |
| DBUS_TYPE_INT32, &aprotocol, |
| DBUS_TYPE_STRING, &address, |
| DBUS_TYPE_UINT16, &port, |
| DBUS_TYPE_INVALID) || |
| dbus_error_is_set (&error)) { |
| |
| fprintf(stderr, "Failed to parse resolver event.\n"); |
| goto fail; |
| } |
| |
| dbus_message_iter_init(message, &iter); |
| |
| for (j = 0; j < 9; 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_ARRAY) { |
| fprintf(stderr, "Error parsing service resolving message\n"); |
| goto fail; |
| } |
| |
| strlst = NULL; |
| dbus_message_iter_recurse(&iter, &sub); |
| |
| for (;;) { |
| DBusMessageIter sub2; |
| int at; |
| |
| if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID) |
| break; |
| |
| assert(at == DBUS_TYPE_ARRAY); |
| |
| if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE) { |
| fprintf(stderr, "Error parsing service resolving message\n"); |
| goto fail; |
| } |
| |
| dbus_message_iter_recurse(&sub, &sub2); |
| |
| if (dbus_message_iter_get_array_len(&sub2) > 0) { |
| uint8_t *k; |
| int n; |
| |
| dbus_message_iter_get_fixed_array(&sub2, &k, &n); |
| strlst = avahi_string_list_add_arbitrary(strlst, k, n); |
| } |
| |
| dbus_message_iter_next(&sub); |
| } |
| |
| dbus_message_iter_next(&iter); |
| |
| if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) { |
| fprintf(stderr, "Failed to parse resolver event.\n"); |
| goto fail; |
| } |
| |
| dbus_message_iter_get_basic(&iter, &flags); |
| |
| assert(address); |
| |
| if (address[0] == 0) |
| address = NULL; |
| else |
| avahi_address_parse(address, (AvahiProtocol) aprotocol, &a); |
| |
| r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, type, domain, host, address ? &a : NULL, port, strlst, (AvahiLookupResultFlags) flags, r->userdata); |
| |
| avahi_string_list_free(strlst); |
| break; |
| } |
| |
| case AVAHI_RESOLVER_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 resolver event.\n"); |
| goto fail; |
| } |
| |
| avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt)); |
| r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, NULL, NULL, NULL, 0, NULL, 0, r->userdata); |
| break; |
| } |
| } |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| |
| |
| fail: |
| dbus_error_free (&error); |
| avahi_string_list_free(strlst); |
| return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| } |
| |
| AvahiServiceResolver * avahi_service_resolver_new( |
| AvahiClient *client, |
| AvahiIfIndex interface, |
| AvahiProtocol protocol, |
| const char *name, |
| const char *type, |
| const char *domain, |
| AvahiProtocol aprotocol, |
| AvahiLookupFlags flags, |
| AvahiServiceResolverCallback callback, |
| void *userdata) { |
| |
| DBusError error; |
| AvahiServiceResolver *r = NULL; |
| DBusMessage *message = NULL, *reply = NULL; |
| int32_t i_interface, i_protocol, i_aprotocol; |
| uint32_t u_flags; |
| char *path; |
| |
| assert(client); |
| assert(type); |
| |
| if (!domain) |
| domain = ""; |
| |
| if (!name) |
| name = ""; |
| |
| dbus_error_init (&error); |
| |
| if (client->state == AVAHI_CLIENT_DISCONNECTED) { |
| avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE); |
| goto fail; |
| } |
| |
| if (!(r = avahi_new(AvahiServiceResolver, 1))) { |
| avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); |
| goto fail; |
| } |
| |
| r->client = client; |
| r->callback = callback; |
| r->userdata = userdata; |
| r->path = NULL; |
| |
| AVAHI_LLIST_PREPEND(AvahiServiceResolver, service_resolvers, client->service_resolvers, r); |
| |
| if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew"))) { |
| avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); |
| goto fail; |
| } |
| |
| i_interface = (int32_t) interface; |
| i_protocol = (int32_t) protocol; |
| i_aprotocol = (int32_t) aprotocol; |
| 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_STRING, &type, |
| DBUS_TYPE_STRING, &domain, |
| DBUS_TYPE_INT32, &i_aprotocol, |
| 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 (!(r->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 r; |
| |
| fail: |
| |
| if (dbus_error_is_set(&error)) { |
| avahi_client_set_dbus_error(client, &error); |
| dbus_error_free(&error); |
| } |
| |
| if (r) |
| avahi_service_resolver_free(r); |
| |
| if (message) |
| dbus_message_unref(message); |
| |
| if (reply) |
| dbus_message_unref(reply); |
| |
| return NULL; |
| |
| } |
| |
| AvahiClient* avahi_service_resolver_get_client (AvahiServiceResolver *r) { |
| assert (r); |
| |
| return r->client; |
| } |
| |
| int avahi_service_resolver_free(AvahiServiceResolver *r) { |
| AvahiClient *client; |
| int ret = AVAHI_OK; |
| |
| assert(r); |
| client = r->client; |
| |
| if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED) |
| ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Free"); |
| |
| AVAHI_LLIST_REMOVE(AvahiServiceResolver, service_resolvers, client->service_resolvers, r); |
| |
| avahi_free(r->path); |
| avahi_free(r); |
| |
| return ret; |
| } |
| |
| /* AvahiHostNameResolver implementation */ |
| |
| DBusHandlerResult avahi_host_name_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) { |
| AvahiHostNameResolver *r = NULL; |
| DBusError error; |
| const char *path; |
| |
| assert(client); |
| assert(message); |
| |
| dbus_error_init (&error); |
| |
| if (!(path = dbus_message_get_path(message))) |
| goto fail; |
| |
| for (r = client->host_name_resolvers; r; r = r->host_name_resolvers_next) |
| if (strcmp (r->path, path) == 0) |
| break; |
| |
| if (!r) |
| goto fail; |
| |
| switch (event) { |
| case AVAHI_RESOLVER_FOUND: { |
| int32_t interface, protocol, aprotocol; |
| uint32_t flags; |
| char *name, *address; |
| AvahiAddress a; |
| |
| if (!dbus_message_get_args( |
| message, &error, |
| DBUS_TYPE_INT32, &interface, |
| DBUS_TYPE_INT32, &protocol, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_INT32, &aprotocol, |
| DBUS_TYPE_STRING, &address, |
| DBUS_TYPE_UINT32, &flags, |
| DBUS_TYPE_INVALID) || |
| dbus_error_is_set (&error)) { |
| fprintf(stderr, "Failed to parse resolver event.\n"); |
| goto fail; |
| } |
| |
| assert(address); |
| if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) { |
| fprintf(stderr, "Failed to parse address\n"); |
| goto fail; |
| } |
| |
| r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, &a, (AvahiLookupResultFlags) flags, r->userdata); |
| break; |
| } |
| |
| case AVAHI_RESOLVER_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 resolver event.\n"); |
| goto fail; |
| } |
| |
| avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt)); |
| r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, NULL, NULL, 0, r->userdata); |
| break; |
| } |
| } |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| |
| fail: |
| dbus_error_free (&error); |
| return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| } |
| |
| |
| AvahiHostNameResolver * avahi_host_name_resolver_new( |
| AvahiClient *client, |
| AvahiIfIndex interface, |
| AvahiProtocol protocol, |
| const char *name, |
| AvahiProtocol aprotocol, |
| AvahiLookupFlags flags, |
| AvahiHostNameResolverCallback callback, |
| void *userdata) { |
| |
| DBusError error; |
| AvahiHostNameResolver *r = NULL; |
| DBusMessage *message = NULL, *reply = NULL; |
| int32_t i_interface, i_protocol, i_aprotocol; |
| uint32_t u_flags; |
| char *path; |
| |
| assert(client); |
| assert(name); |
| |
| dbus_error_init (&error); |
| |
| if (client->state == AVAHI_CLIENT_DISCONNECTED) { |
| avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE); |
| goto fail; |
| } |
| |
| if (!(r = avahi_new(AvahiHostNameResolver, 1))) { |
| avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); |
| goto fail; |
| } |
| |
| r->client = client; |
| r->callback = callback; |
| r->userdata = userdata; |
| r->path = NULL; |
| |
| AVAHI_LLIST_PREPEND(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r); |
| |
| if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew"))) { |
| avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); |
| goto fail; |
| } |
| |
| i_interface = (int32_t) interface; |
| i_protocol = (int32_t) protocol; |
| i_aprotocol = (int32_t) aprotocol; |
| 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_INT32, &i_aprotocol, |
| 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 (!(r->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 r; |
| |
| fail: |
| |
| if (dbus_error_is_set(&error)) { |
| avahi_client_set_dbus_error(client, &error); |
| dbus_error_free(&error); |
| } |
| |
| if (r) |
| avahi_host_name_resolver_free(r); |
| |
| if (message) |
| dbus_message_unref(message); |
| |
| if (reply) |
| dbus_message_unref(reply); |
| |
| return NULL; |
| |
| } |
| |
| int avahi_host_name_resolver_free(AvahiHostNameResolver *r) { |
| int ret = AVAHI_OK; |
| AvahiClient *client; |
| |
| assert(r); |
| client = r->client; |
| |
| if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED) |
| ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Free"); |
| |
| AVAHI_LLIST_REMOVE(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r); |
| |
| avahi_free(r->path); |
| avahi_free(r); |
| |
| return ret; |
| } |
| |
| AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *r) { |
| assert (r); |
| |
| return r->client; |
| } |
| |
| /* AvahiAddressResolver implementation */ |
| |
| DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) { |
| AvahiAddressResolver *r = NULL; |
| DBusError error; |
| const char *path; |
| |
| assert(client); |
| assert(message); |
| |
| dbus_error_init (&error); |
| |
| if (!(path = dbus_message_get_path(message))) |
| goto fail; |
| |
| for (r = client->address_resolvers; r; r = r->address_resolvers_next) |
| if (strcmp (r->path, path) == 0) |
| break; |
| |
| if (!r) |
| goto fail; |
| |
| switch (event) { |
| case AVAHI_RESOLVER_FOUND: { |
| int32_t interface, protocol, aprotocol; |
| uint32_t flags; |
| char *name, *address; |
| AvahiAddress a; |
| |
| if (!dbus_message_get_args( |
| message, &error, |
| DBUS_TYPE_INT32, &interface, |
| DBUS_TYPE_INT32, &protocol, |
| DBUS_TYPE_INT32, &aprotocol, |
| DBUS_TYPE_STRING, &address, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_UINT32, &flags, |
| DBUS_TYPE_INVALID) || |
| dbus_error_is_set (&error)) { |
| fprintf(stderr, "Failed to parse resolver event.\n"); |
| goto fail; |
| } |
| |
| assert(address); |
| if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) { |
| fprintf(stderr, "Failed to parse address\n"); |
| goto fail; |
| } |
| |
| r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, (AvahiProtocol) aprotocol, &a, name, (AvahiLookupResultFlags) flags, r->userdata); |
| break; |
| } |
| |
| case AVAHI_RESOLVER_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 resolver event.\n"); |
| goto fail; |
| } |
| |
| avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt)); |
| r->callback(r, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, event, AVAHI_PROTO_UNSPEC, NULL, NULL, 0, r->userdata); |
| break; |
| } |
| } |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| |
| fail: |
| dbus_error_free (&error); |
| return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
| } |
| |
| AvahiAddressResolver * avahi_address_resolver_new_a( |
| AvahiClient *client, |
| AvahiIfIndex interface, |
| AvahiProtocol protocol, |
| const AvahiAddress *a, |
| AvahiLookupFlags flags, |
| AvahiAddressResolverCallback callback, |
| void *userdata) { |
| |
| char addr[64]; |
| |
| assert (a); |
| |
| if (!avahi_address_snprint (addr, sizeof (addr), a)) { |
| avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS); |
| return NULL; |
| } |
| |
| return avahi_address_resolver_new( |
| client, interface, protocol, |
| addr, flags, |
| callback, userdata); |
| } |
| |
| AvahiAddressResolver * avahi_address_resolver_new( |
| AvahiClient *client, |
| AvahiIfIndex interface, |
| AvahiProtocol protocol, |
| const char *address, |
| AvahiLookupFlags flags, |
| AvahiAddressResolverCallback callback, |
| void *userdata) { |
| |
| DBusError error; |
| AvahiAddressResolver *r = NULL; |
| DBusMessage *message = NULL, *reply = NULL; |
| int32_t i_interface, i_protocol; |
| uint32_t u_flags; |
| char *path; |
| |
| assert(client); |
| |
| dbus_error_init (&error); |
| |
| if (client->state == AVAHI_CLIENT_DISCONNECTED) { |
| avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE); |
| goto fail; |
| } |
| |
| if (!(r = avahi_new(AvahiAddressResolver, 1))) { |
| avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); |
| goto fail; |
| } |
| |
| r->client = client; |
| r->callback = callback; |
| r->userdata = userdata; |
| r->path = NULL; |
| |
| AVAHI_LLIST_PREPEND(AvahiAddressResolver, address_resolvers, client->address_resolvers, r); |
| |
| if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew"))) { |
| 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, &address, |
| 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 (!(r->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 r; |
| |
| fail: |
| |
| if (dbus_error_is_set(&error)) { |
| avahi_client_set_dbus_error(client, &error); |
| dbus_error_free(&error); |
| } |
| |
| if (r) |
| avahi_address_resolver_free(r); |
| |
| if (message) |
| dbus_message_unref(message); |
| |
| if (reply) |
| dbus_message_unref(reply); |
| |
| return NULL; |
| |
| } |
| |
| AvahiClient* avahi_address_resolver_get_client (AvahiAddressResolver *r) { |
| assert (r); |
| |
| return r->client; |
| } |
| |
| int avahi_address_resolver_free(AvahiAddressResolver *r) { |
| AvahiClient *client; |
| int ret = AVAHI_OK; |
| |
| assert(r); |
| client = r->client; |
| |
| if (r->path && client->state != AVAHI_CLIENT_DISCONNECTED) |
| ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Free"); |
| |
| AVAHI_LLIST_REMOVE(AvahiAddressResolver, address_resolvers, client->address_resolvers, r); |
| |
| avahi_free(r->path); |
| avahi_free(r); |
| |
| return ret; |
| } |
| |