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Diffstat (limited to 'avahi-client/resolver.c')
-rw-r--r--avahi-client/resolver.c424
1 files changed, 231 insertions, 193 deletions
diff --git a/avahi-client/resolver.c b/avahi-client/resolver.c
index c564a97..ddea755 100644
--- a/avahi-client/resolver.c
+++ b/avahi-client/resolver.c
@@ -38,22 +38,30 @@
#include "client.h"
#include "internal.h"
-static void
-service_pending_call_callback(DBusPendingCall *pending, void *userdata) {
- AvahiServiceResolver *r = userdata;
- DBusMessage *message = NULL;
- AvahiStringList *strlst = NULL;
+/* 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);
- assert(pending);
- assert(r);
+ dbus_error_init (&error);
- 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 (!(message = dbus_pending_call_steal_reply(pending)))
+ if (!r)
goto fail;
- if (dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_METHOD_RETURN) {
+ if (event == AVAHI_RESOLVER_FOUND) {
int j;
int32_t interface;
AvahiProtocol protocol, aprotocol;
@@ -127,143 +135,25 @@ service_pending_call_callback(DBusPendingCall *pending, void *userdata) {
}
r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, type, domain, host, &a, port, strlst, r->userdata);
+
+ avahi_string_list_free(strlst);
} else {
-
- assert(dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_ERROR);
-
- avahi_client_set_errno(r->client, avahi_error_dbus_to_number(dbus_message_get_error_name(message)));
-
+ assert(event == AVAHI_RESOLVER_TIMEOUT);
+
r->callback(r, (AvahiIfIndex) 0, (AvahiProtocol) 0, AVAHI_RESOLVER_TIMEOUT, NULL, NULL, NULL, NULL, NULL, 0, NULL, r->userdata);
}
-fail:
-
- if (message)
- dbus_message_unref(message);
-
- avahi_string_list_free(strlst);
-
- dbus_error_free (&error);
-}
+ return DBUS_HANDLER_RESULT_HANDLED;
-static void
-hostname_pending_call_callback(DBusPendingCall *pending, void *userdata) {
- AvahiHostNameResolver *r = userdata;
- DBusMessage *message = NULL;
- DBusError error;
- assert(pending);
- assert(r);
-
- dbus_error_init(&error);
-
- if (!(message = dbus_pending_call_steal_reply(pending)))
- goto fail;
-
- if (dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_METHOD_RETURN) {
- int32_t interface;
- AvahiProtocol protocol, aprotocol;
- 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_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, r->userdata);
-
- } else {
-
- assert(dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_ERROR);
-
- avahi_client_set_errno(r->client, avahi_error_dbus_to_number(dbus_message_get_error_name(message)));
-
- r->callback(r, (AvahiIfIndex) 0, (AvahiProtocol) 0, AVAHI_RESOLVER_TIMEOUT, NULL, NULL, r->userdata);
- }
-
fail:
-
- if (message)
- dbus_message_unref(message);
-
dbus_error_free (&error);
+ avahi_string_list_free(strlst);
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
-static void
-address_pending_call_callback(DBusPendingCall *pending, void *userdata) {
- AvahiAddressResolver *r = userdata;
- DBusMessage *message = NULL;
- DBusError error;
-
- assert(pending);
- assert(r);
-
- dbus_error_init(&error);
-
- if (!(message = dbus_pending_call_steal_reply(pending)))
- goto fail;
- if (dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_METHOD_RETURN) {
- int32_t interface;
- AvahiProtocol protocol, aprotocol;
- 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_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, r->userdata);
-
- } else {
-
- assert(dbus_message_get_type(message) == DBUS_MESSAGE_TYPE_ERROR);
-
- avahi_client_set_errno(r->client, avahi_error_dbus_to_number(dbus_message_get_error_name(message)));
-
- r->callback(r, (AvahiIfIndex) 0, (AvahiProtocol) 0, AVAHI_RESOLVER_TIMEOUT, (AvahiProtocol) 0, NULL, NULL, r->userdata);
- }
-
-fail:
-
- if (message)
- dbus_message_unref(message);
-
- dbus_error_free (&error);
-}
-
-/* AvahiServiceResolver implementation */
AvahiServiceResolver * avahi_service_resolver_new(
AvahiClient *client,
AvahiIfIndex interface,
@@ -277,8 +167,9 @@ AvahiServiceResolver * avahi_service_resolver_new(
DBusError error;
AvahiServiceResolver *r;
- DBusMessage *message;
+ DBusMessage *message = NULL, *reply = NULL;
int32_t i_interface, i_protocol, i_aprotocol;
+ char *path;
assert(client);
assert(name);
@@ -302,11 +193,11 @@ AvahiServiceResolver * avahi_service_resolver_new(
r->client = client;
r->callback = callback;
r->userdata = userdata;
- r->call = NULL;
+ 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, "ResolveService"))) {
+ 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;
}
@@ -328,13 +219,30 @@ AvahiServiceResolver * avahi_service_resolver_new(
goto fail;
}
- if (!dbus_connection_send_with_reply(client->bus, message, &r->call, -1) ||
- !dbus_pending_call_set_notify(r->call, service_pending_call_callback, r, NULL)) {
+ 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;
@@ -351,6 +259,9 @@ fail:
if (message)
dbus_message_unref(message);
+ if (reply)
+ dbus_message_unref(reply);
+
return NULL;
}
@@ -363,35 +274,85 @@ AvahiClient* avahi_service_resolver_get_client (AvahiServiceResolver *r) {
int avahi_service_resolver_free(AvahiServiceResolver *r) {
AvahiClient *client;
+ int ret = AVAHI_OK;
assert(r);
client = r->client;
- if (r->call) {
- dbus_pending_call_cancel(r->call);
- dbus_pending_call_unref(r->call);
- }
+ 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 AVAHI_OK;
+ return ret;
}
-int avahi_service_resolver_block(AvahiServiceResolver *r) {
- AvahiClient *client;
+/* AvahiHostNameResolver implementation */
- assert(r);
- client = r->client;
+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;
- if (r->call)
- dbus_pending_call_block(r->call);
+ for (r = client->host_name_resolvers; r; r = r->host_name_resolvers_next)
+ if (strcmp (r->path, path) == 0)
+ break;
- return AVAHI_OK;
+ if (!r)
+ goto fail;
+
+ if (event == AVAHI_RESOLVER_FOUND) {
+ int32_t interface;
+ AvahiProtocol protocol, aprotocol;
+ 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_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, r->userdata);
+
+ } else {
+
+ assert(event == AVAHI_RESOLVER_TIMEOUT);
+
+ r->callback(r, (AvahiIfIndex) 0, (AvahiProtocol) 0, AVAHI_RESOLVER_TIMEOUT, NULL, NULL, r->userdata);
+ }
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+
+fail:
+ dbus_error_free (&error);
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
-/* AvahiHostNameResolver implementation */
AvahiHostNameResolver * avahi_host_name_resolver_new(
AvahiClient *client,
@@ -404,8 +365,9 @@ AvahiHostNameResolver * avahi_host_name_resolver_new(
DBusError error;
AvahiHostNameResolver *r;
- DBusMessage *message;
+ DBusMessage *message = NULL, *reply = NULL;
int32_t i_interface, i_protocol, i_aprotocol;
+ char *path;
assert(client);
assert(name);
@@ -425,11 +387,11 @@ AvahiHostNameResolver * avahi_host_name_resolver_new(
r->client = client;
r->callback = callback;
r->userdata = userdata;
- r->call = NULL;
+ 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, "ResolveHostName"))) {
+ 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;
}
@@ -449,13 +411,29 @@ AvahiHostNameResolver * avahi_host_name_resolver_new(
goto fail;
}
- if (!dbus_connection_send_with_reply(client->bus, message, &r->call, -1) ||
- !dbus_pending_call_set_notify(r->call, hostname_pending_call_callback, r, NULL)) {
+ 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;
@@ -472,26 +450,29 @@ fail:
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->call) {
- dbus_pending_call_cancel(r->call);
- dbus_pending_call_unref(r->call);
- }
+ 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 AVAHI_OK;
+ return ret;
}
AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *r) {
@@ -500,19 +481,67 @@ AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *r) {
return r->client;
}
-int avahi_host_name_resolver_block(AvahiHostNameResolver *r) {
- AvahiClient *client;
+/* AvahiAddressResolver implementation */
- assert(r);
- client = r->client;
+DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
+ AvahiAddressResolver *r = NULL;
+ DBusError error;
+ const char *path;
- if (r->call)
- dbus_pending_call_block(r->call);
+ assert(client);
+ assert(message);
+
+ dbus_error_init (&error);
- return AVAHI_OK;
-}
+ if (!(path = dbus_message_get_path(message)))
+ goto fail;
-/* AvahiAddressResolver implementation */
+ for (r = client->address_resolvers; r; r = r->address_resolvers_next)
+ if (strcmp (r->path, path) == 0)
+ break;
+
+ if (!r)
+ goto fail;
+
+ if (event == AVAHI_RESOLVER_FOUND) {
+ int32_t interface;
+ AvahiProtocol protocol, aprotocol;
+ 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_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, r->userdata);
+ } else {
+
+ assert(event == AVAHI_RESOLVER_TIMEOUT);
+
+ r->callback(r, (AvahiIfIndex) 0, (AvahiProtocol) 0, AVAHI_RESOLVER_TIMEOUT, (AvahiProtocol) 0, NULL, NULL, r->userdata);
+ }
+
+ 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,
@@ -547,9 +576,10 @@ AvahiAddressResolver * avahi_address_resolver_new(
DBusError error;
AvahiAddressResolver *r;
- DBusMessage *message;
+ DBusMessage *message = NULL, *reply = NULL;
int32_t i_interface;
AvahiProtocol i_protocol;
+ char *path;
assert(client);
@@ -568,11 +598,11 @@ AvahiAddressResolver * avahi_address_resolver_new(
r->client = client;
r->callback = callback;
r->userdata = userdata;
- r->call = NULL;
+ 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, "ResolveAddress"))) {
+ 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;
}
@@ -590,13 +620,29 @@ AvahiAddressResolver * avahi_address_resolver_new(
goto fail;
}
- if (!dbus_connection_send_with_reply(client->bus, message, &r->call, -1) ||
- !dbus_pending_call_set_notify(r->call, address_pending_call_callback, r, NULL)) {
+ 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;
@@ -613,6 +659,9 @@ fail:
if (message)
dbus_message_unref(message);
+ if (reply)
+ dbus_message_unref(reply);
+
return NULL;
}
@@ -625,30 +674,19 @@ AvahiClient* avahi_address_resolver_get_client (AvahiAddressResolver *r) {
int avahi_address_resolver_free(AvahiAddressResolver *r) {
AvahiClient *client;
+ int ret = AVAHI_OK;
assert(r);
client = r->client;
- if (r->call) {
- dbus_pending_call_cancel(r->call);
- dbus_pending_call_unref(r->call);
- }
+ 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 AVAHI_OK;
+ return ret;
}
-int avahi_address_resolver_block(AvahiAddressResolver *r) {
- AvahiClient *client;
-
- assert(r);
- client = r->client;
-
- if (r->call)
- dbus_pending_call_block(r->call);
-
- return AVAHI_OK;
-}