+/***
+ This file is part of catta.
+
+ catta 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.
+
+ catta 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 catta; 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 <string.h>
+
+#include <catta/domain.h>
+#include <catta/malloc.h>
+#include <catta/error.h>
+
+#include "browse.h"
+#include <catta/log.h>
+
+struct CattaSServiceBrowser {
+ CattaServer *server;
+ char *domain_name;
+ char *service_type;
+
+ CattaSRecordBrowser *record_browser;
+
+ CattaSServiceBrowserCallback callback;
+ void* userdata;
+
+ CATTA_LLIST_FIELDS(CattaSServiceBrowser, browser);
+};
+
+static void record_browser_callback(
+ CattaSRecordBrowser*rr,
+ CattaIfIndex iface,
+ CattaProtocol protocol,
+ CattaBrowserEvent event,
+ CattaRecord *record,
+ CattaLookupResultFlags flags,
+ void* userdata) {
+
+ CattaSServiceBrowser *b = userdata;
+
+ assert(rr);
+ assert(b);
+
+ /* Filter flags */
+ flags &= CATTA_LOOKUP_RESULT_CACHED | CATTA_LOOKUP_RESULT_MULTICAST | CATTA_LOOKUP_RESULT_WIDE_AREA;
+
+ if (record) {
+ char service[CATTA_LABEL_MAX], type[CATTA_DOMAIN_NAME_MAX], domain[CATTA_DOMAIN_NAME_MAX];
+
+ assert(record->key->type == CATTA_DNS_TYPE_PTR);
+
+ if (event == CATTA_BROWSER_NEW && catta_server_is_service_local(b->server, iface, protocol, record->data.ptr.name))
+ flags |= CATTA_LOOKUP_RESULT_LOCAL;
+
+ if (catta_service_name_split(record->data.ptr.name, service, sizeof(service), type, sizeof(type), domain, sizeof(domain)) < 0) {
+ catta_log_warn("Failed to split '%s'", record->key->name);
+ return;
+ }
+
+ b->callback(b, iface, protocol, event, service, type, domain, flags, b->userdata);
+
+ } else
+ b->callback(b, iface, protocol, event, NULL, b->service_type, b->domain_name, flags, b->userdata);
+
+}
+
+CattaSServiceBrowser *catta_s_service_browser_new(
+ CattaServer *server,
+ CattaIfIndex iface,
+ CattaProtocol protocol,
+ const char *service_type,
+ const char *domain,
+ CattaLookupFlags flags,
+ CattaSServiceBrowserCallback callback,
+ void* userdata) {
+
+ CattaSServiceBrowser *b;
+ CattaKey *k = NULL;
+ char n[CATTA_DOMAIN_NAME_MAX];
+ int r;
+
+ assert(server);
+ assert(callback);
+ assert(service_type);
+
+ CATTA_CHECK_VALIDITY_RETURN_NULL(server, CATTA_IF_VALID(iface), CATTA_ERR_INVALID_INTERFACE);
+ CATTA_CHECK_VALIDITY_RETURN_NULL(server, CATTA_PROTO_VALID(protocol), CATTA_ERR_INVALID_PROTOCOL);
+ CATTA_CHECK_VALIDITY_RETURN_NULL(server, !domain || catta_is_valid_domain_name(domain), CATTA_ERR_INVALID_DOMAIN_NAME);
+ CATTA_CHECK_VALIDITY_RETURN_NULL(server, CATTA_FLAGS_VALID(flags, CATTA_LOOKUP_USE_WIDE_AREA|CATTA_LOOKUP_USE_MULTICAST), CATTA_ERR_INVALID_FLAGS);
+ CATTA_CHECK_VALIDITY_RETURN_NULL(server, catta_is_valid_service_type_generic(service_type), CATTA_ERR_INVALID_SERVICE_TYPE);
+
+ if (!domain)
+ domain = server->domain_name;
+
+ if ((r = catta_service_name_join(n, sizeof(n), NULL, service_type, domain)) < 0) {
+ catta_server_set_errno(server, r);
+ return NULL;
+ }
+
+ if (!(b = catta_new(CattaSServiceBrowser, 1))) {
+ catta_server_set_errno(server, CATTA_ERR_NO_MEMORY);
+ return NULL;
+ }
+
+ b->server = server;
+ b->domain_name = b->service_type = NULL;
+ b->callback = callback;
+ b->userdata = userdata;
+ b->record_browser = NULL;
+
+ CATTA_LLIST_PREPEND(CattaSServiceBrowser, browser, server->service_browsers, b);
+
+ if (!(b->domain_name = catta_normalize_name_strdup(domain)) ||
+ !(b->service_type = catta_normalize_name_strdup(service_type))) {
+ catta_server_set_errno(server, CATTA_ERR_NO_MEMORY);
+ goto fail;
+ }
+
+ if (!(k = catta_key_new(n, CATTA_DNS_CLASS_IN, CATTA_DNS_TYPE_PTR))) {
+ catta_server_set_errno(server, CATTA_ERR_NO_MEMORY);
+ goto fail;
+ }
+
+ if (!(b->record_browser = catta_s_record_browser_new(server, iface, protocol, k, flags, record_browser_callback, b)))
+ goto fail;
+
+ catta_key_unref(k);
+
+ return b;
+
+fail:
+
+ if (k)
+ catta_key_unref(k);
+
+ catta_s_service_browser_free(b);
+ return NULL;
+}
+
+void catta_s_service_browser_free(CattaSServiceBrowser *b) {
+ assert(b);
+
+ CATTA_LLIST_REMOVE(CattaSServiceBrowser, browser, b->server->service_browsers, b);
+
+ if (b->record_browser)
+ catta_s_record_browser_free(b->record_browser);
+
+ catta_free(b->domain_name);
+ catta_free(b->service_type);
+ catta_free(b);
+}