-/* $Id$ */
-
/***
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
#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,
AvahiLookupFlags flags,
AvahiDomainBrowserCallback callback,
void *userdata) {
-
+
AvahiDomainBrowser *db = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
dbus_error_init (&error);
- if (client->state == AVAHI_CLIENT_DISCONNECTED) {
+ if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
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;
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_INT32, &bt,
- DBUS_TYPE_UINT32, &flags,
+ DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_INVALID))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
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 (db)
avahi_domain_browser_free(db);
-
+
if (message)
dbus_message_unref(message);
int r = AVAHI_OK;
assert(b);
+ assert(b->ref >= 1);
+
+ if (--(b->ref) >= 1)
+ return AVAHI_OK;
+
client = b->client;
- if (b->path && client->state != AVAHI_CLIENT_DISCONNECTED)
+ 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);
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)))
switch (event) {
case AVAHI_BROWSER_NEW:
case AVAHI_BROWSER_REMOVE:
-
+
if (!dbus_message_get_args(
message, &error,
DBUS_TYPE_INT32, &interface,
}
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,
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;
}
/* AvahiServiceTypeBrowser */
+
AvahiServiceTypeBrowser* avahi_service_type_browser_new(
AvahiClient *client,
AvahiIfIndex interface,
AvahiProtocol protocol,
const char *domain,
- AvahiLookupFlags flags,
+ AvahiLookupFlags flags,
AvahiServiceTypeBrowserCallback callback,
void *userdata) {
-
+
AvahiServiceTypeBrowser *b = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
dbus_error_init(&error);
- if (client->state == AVAHI_CLIENT_DISCONNECTED) {
+ if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
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;
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);
assert(b);
client = b->client;
- if (b->path && client->state != AVAHI_CLIENT_DISCONNECTED)
+ 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);
assert(client);
assert(message);
-
+
dbus_error_init (&error);
if (!(path = dbus_message_get_path(message)))
domain = b->domain;
interface = b->interface;
protocol = b->protocol;
-
+
switch (event) {
case AVAHI_BROWSER_NEW:
case AVAHI_BROWSER_REMOVE:
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,
fprintf(stderr, "Failed to parse browser event.\n");
goto fail;
}
-
+
avahi_client_set_errno(b->client, avahi_error_dbus_to_number(etxt));
break;
}
AvahiProtocol protocol,
const char *type,
const char *domain,
- AvahiLookupFlags flags,
+ AvahiLookupFlags flags,
AvahiServiceBrowserCallback callback,
void *userdata) {
-
+
AvahiServiceBrowser *b = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
dbus_error_init(&error);
- if (client->state == AVAHI_CLIENT_DISCONNECTED) {
+ if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
-
+
b->client = client;
b->callback = callback;
b->userdata = userdata;
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;
dbus_message_unref(message);
dbus_message_unref(reply);
-
+
return b;
fail:
if (b)
avahi_service_browser_free(b);
-
+
if (message)
dbus_message_unref(message);
assert(b);
client = b->client;
- if (b->path && client->state != AVAHI_CLIENT_DISCONNECTED)
+ 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);
switch (event) {
case AVAHI_BROWSER_NEW:
case AVAHI_BROWSER_REMOVE:
-
+
if (!dbus_message_get_args (
message, &error,
DBUS_TYPE_INT32, &interface,
case AVAHI_BROWSER_FAILURE: {
char *etxt;
-
+
if (!dbus_message_get_args(
message, &error,
DBUS_TYPE_STRING, &etxt,
fprintf(stderr, "Failed to parse browser event.\n");
goto fail;
}
-
+
avahi_client_set_errno(b->client, avahi_error_dbus_to_number(etxt));
break;
}
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