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authorFederico Lucifredi <flucifredi@acm.org>2007-05-06 20:12:18 +0000
committerFederico Lucifredi <flucifredi@acm.org>2007-05-06 20:12:18 +0000
commit8a49fc26776c8b95ce299e69903198df7bbebe11 (patch)
treef16ed29141aff95792cf73e3c636efcd534bf2bd /release-0.6.9/avahi-utils/avahi-browse.c
parent1fef746edf313d8fb1d8417a17d536a915ca69cd (diff)
parenta6a4c936ad8c9071b891bb19c4edf5779e027a19 (diff)
refreshing branch to latest release.
git-svn-id: file:///home/lennart/svn/public/avahi/branches/federico@1455 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe
Diffstat (limited to 'release-0.6.9/avahi-utils/avahi-browse.c')
-rw-r--r--release-0.6.9/avahi-utils/avahi-browse.c789
1 files changed, 0 insertions, 789 deletions
diff --git a/release-0.6.9/avahi-utils/avahi-browse.c b/release-0.6.9/avahi-utils/avahi-browse.c
deleted file mode 100644
index 7abd53e..0000000
--- a/release-0.6.9/avahi-utils/avahi-browse.c
+++ /dev/null
@@ -1,789 +0,0 @@
-/* $Id$ */
-
-/***
- 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 <getopt.h>
-#include <assert.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <locale.h>
-
-#include <avahi-common/simple-watch.h>
-#include <avahi-common/error.h>
-#include <avahi-common/malloc.h>
-#include <avahi-common/domain.h>
-#include <avahi-common/llist.h>
-#include <avahi-client/client.h>
-#include <avahi-client/lookup.h>
-
-#include "sigint.h"
-
-#ifdef HAVE_GDBM
-#include "stdb.h"
-#endif
-
-typedef enum {
- COMMAND_HELP,
- COMMAND_VERSION,
- COMMAND_BROWSE_SERVICES,
- COMMAND_BROWSE_ALL_SERVICES,
- COMMAND_BROWSE_DOMAINS
-} Command;
-
-typedef struct Config {
- int verbose;
- int terminate_on_all_for_now;
- int terminate_on_cache_exhausted;
- char *domain;
- char *stype;
- int ignore_local;
- Command command;
- int resolve;
- int no_fail;
-#ifdef HAVE_GDBM
- int no_db_lookup;
-#endif
-} Config;
-
-typedef struct ServiceInfo ServiceInfo;
-
-struct ServiceInfo {
- AvahiIfIndex interface;
- AvahiProtocol protocol;
- char *name, *type, *domain;
-
- AvahiServiceResolver *resolver;
- Config *config;
-
- AVAHI_LLIST_FIELDS(ServiceInfo, info);
-};
-
-static AvahiSimplePoll *simple_poll = NULL;
-static AvahiClient *client = NULL;
-static int n_all_for_now = 0, n_cache_exhausted = 0, n_resolving = 0;
-static AvahiStringList *browsed_types = NULL;
-static ServiceInfo *services = NULL;
-static int n_columns = 80;
-static int browsing = 0;
-
-static void check_terminate(Config *c) {
-
- assert(n_all_for_now >= 0);
- assert(n_cache_exhausted >= 0);
- assert(n_resolving >= 0);
-
- if (n_all_for_now <= 0 && n_resolving <= 0) {
-
- if (c->verbose) {
- printf(": All for now\n");
- n_all_for_now++; /* Make sure that this event is not repeated */
- }
-
- if (c->terminate_on_all_for_now)
- avahi_simple_poll_quit(simple_poll);
- }
-
- if (n_cache_exhausted <= 0 && n_resolving <= 0) {
-
- if (c->verbose) {
- printf(": Cache exhausted\n");
- n_cache_exhausted++; /* Make sure that this event is not repeated */
- }
-
- if (c->terminate_on_cache_exhausted)
- avahi_simple_poll_quit(simple_poll);
- }
-}
-
-static ServiceInfo *find_service(AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char *domain) {
- ServiceInfo *i;
-
- for (i = services; i; i = i->info_next)
- if (i->interface == interface &&
- i->protocol == protocol &&
- strcasecmp(i->name, name) == 0 &&
- avahi_domain_equal(i->type, type) &&
- avahi_domain_equal(i->domain, domain))
-
- return i;
-
- return NULL;
-}
-
-static void print_service_line(Config *config, char c, AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char *domain) {
- char ifname[IF_NAMESIZE];
-
-#ifdef HAVE_GDBM
- if (!config->no_db_lookup)
- type = stdb_lookup(type);
-#endif
-
- printf("%c %4s %4s %-*s %-20s %s\n",
- c,
- interface != AVAHI_IF_UNSPEC ? if_indextoname(interface, ifname) : "n/a",
- protocol != AVAHI_PROTO_UNSPEC ? avahi_proto_to_string(protocol) : "n/a",
- n_columns-35, name, type, domain);
-}
-
-static void service_resolver_callback(
- AvahiServiceResolver *r,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- AvahiResolverEvent event,
- const char *name,
- const char *type,
- const char *domain,
- const char *host_name,
- const AvahiAddress *a,
- uint16_t port,
- AvahiStringList *txt,
- AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
- void *userdata) {
-
- ServiceInfo *i = userdata;
-
- assert(r);
- assert(i);
-
- switch (event) {
- case AVAHI_RESOLVER_FOUND: {
- char address[AVAHI_ADDRESS_STR_MAX], *t;
-
- avahi_address_snprint(address, sizeof(address), a);
-
- t = avahi_string_list_to_string(txt);
-
- print_service_line(i->config, '=', interface, protocol, name, type, domain);
-
- printf(" hostname = [%s]\n"
- " address = [%s]\n"
- " port = [%i]\n"
- " txt = [%s]\n",
- host_name,
- address,
- port,
- t);
- avahi_free(t);
-
- break;
- }
-
- case AVAHI_RESOLVER_FAILURE:
-
- fprintf(stderr, "Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain, avahi_strerror(avahi_client_errno(client)));
- break;
- }
-
-
- avahi_service_resolver_free(i->resolver);
- i->resolver = NULL;
-
- assert(n_resolving > 0);
- n_resolving--;
- check_terminate(i->config);
-}
-
-static ServiceInfo *add_service(Config *c, AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char *domain) {
- ServiceInfo *i;
-
- i = avahi_new(ServiceInfo, 1);
-
- if (c->resolve) {
- if (!(i->resolver = avahi_service_resolver_new(client, interface, protocol, name, type, domain, AVAHI_PROTO_UNSPEC, 0, service_resolver_callback, i))) {
- avahi_free(i);
- fprintf(stderr, "Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain, avahi_strerror(avahi_client_errno(client)));
- return NULL;
- }
-
- n_resolving++;
- } else
- i->resolver = NULL;
-
- i->interface = interface;
- i->protocol = protocol;
- i->name = avahi_strdup(name);
- i->type = avahi_strdup(type);
- i->domain = avahi_strdup(domain);
- i->config = c;
-
- AVAHI_LLIST_PREPEND(ServiceInfo, info, services, i);
-
- return i;
-}
-
-static void remove_service(Config *c, ServiceInfo *i) {
- assert(c);
- assert(i);
-
- AVAHI_LLIST_REMOVE(ServiceInfo, info, services, i);
-
- if (i->resolver)
- avahi_service_resolver_free(i->resolver);
-
- avahi_free(i->name);
- avahi_free(i->type);
- avahi_free(i->domain);
- avahi_free(i);
-}
-
-static void service_browser_callback(
- AvahiServiceBrowser *b,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- AvahiBrowserEvent event,
- const char *name,
- const char *type,
- const char *domain,
- AvahiLookupResultFlags flags,
- void *userdata) {
-
- Config *c = userdata;
-
- assert(b);
- assert(c);
-
- switch (event) {
- case AVAHI_BROWSER_NEW: {
- if (c->ignore_local && (flags & AVAHI_LOOKUP_RESULT_LOCAL))
- break;
-
- if (find_service(interface, protocol, name, type, domain))
- return;
-
- add_service(c, interface, protocol, name, type, domain);
-
- print_service_line(c, '+', interface, protocol, name, type, domain);
- break;
-
- }
-
- case AVAHI_BROWSER_REMOVE: {
- ServiceInfo *info;
-
- if (!(info = find_service(interface, protocol, name, type, domain)))
- return;
-
- remove_service(c, info);
-
- print_service_line(c, '-', interface, protocol, name, type, domain);
- break;
- }
-
- case AVAHI_BROWSER_FAILURE:
- fprintf(stderr, "service_browser failed: %s\n", avahi_strerror(avahi_client_errno(client)));
- avahi_simple_poll_quit(simple_poll);
- break;
-
- case AVAHI_BROWSER_CACHE_EXHAUSTED:
- n_cache_exhausted --;
- check_terminate(c);
- break;
-
- case AVAHI_BROWSER_ALL_FOR_NOW:
- n_all_for_now --;
- check_terminate(c);
- break;
- }
-}
-
-static void browse_service_type(Config *c, const char *stype, const char *domain) {
- AvahiServiceBrowser *b;
- AvahiStringList *i;
-
- assert(c);
- assert(client);
- assert(stype);
-
- for (i = browsed_types; i; i = i->next)
- if (avahi_domain_equal(stype, (char*) i->text))
- return;
-
- if (!(b = avahi_service_browser_new(
- client,
- AVAHI_IF_UNSPEC,
- AVAHI_PROTO_UNSPEC,
- stype,
- domain,
- 0,
- service_browser_callback,
- c))) {
-
- fprintf(stderr, "avahi_service_browser_new() failed: %s\n", avahi_strerror(avahi_client_errno(client)));
- avahi_simple_poll_quit(simple_poll);
- }
-
- browsed_types = avahi_string_list_add(browsed_types, stype);
-
- n_all_for_now++;
- n_cache_exhausted++;
-}
-
-static void service_type_browser_callback(
- AvahiServiceTypeBrowser *b,
- AVAHI_GCC_UNUSED AvahiIfIndex interface,
- AVAHI_GCC_UNUSED AvahiProtocol protocol,
- AvahiBrowserEvent event,
- const char *type,
- const char *domain,
- AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
- void *userdata) {
-
- Config *c = userdata;
-
- assert(b);
- assert(c);
-
- switch (event) {
-
- case AVAHI_BROWSER_NEW:
- browse_service_type(c, type, domain);
- break;
-
- case AVAHI_BROWSER_REMOVE:
- /* We're dirty and never remove the browser again */
- break;
-
- case AVAHI_BROWSER_FAILURE:
- fprintf(stderr, "service_type_browser failed: %s\n", avahi_strerror(avahi_client_errno(client)));
- avahi_simple_poll_quit(simple_poll);
- break;
-
- case AVAHI_BROWSER_CACHE_EXHAUSTED:
- n_cache_exhausted --;
- check_terminate(c);
- break;
-
- case AVAHI_BROWSER_ALL_FOR_NOW:
- n_all_for_now --;
- check_terminate(c);
- break;
- }
-}
-
-static void browse_all(Config *c) {
- AvahiServiceTypeBrowser *b;
-
- assert(c);
-
- if (!(b = avahi_service_type_browser_new(
- client,
- AVAHI_IF_UNSPEC,
- AVAHI_PROTO_UNSPEC,
- c->domain,
- 0,
- service_type_browser_callback,
- c))) {
-
- fprintf(stderr, "avahi_service_type_browser_new() failed: %s\n", avahi_strerror(avahi_client_errno(client)));
- avahi_simple_poll_quit(simple_poll);
- }
-
- n_cache_exhausted++;
- n_all_for_now++;
-}
-
-static void domain_browser_callback(
- AvahiDomainBrowser *b,
- AVAHI_GCC_UNUSED AvahiIfIndex interface,
- AVAHI_GCC_UNUSED AvahiProtocol protocol,
- AvahiBrowserEvent event,
- const char *domain,
- AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
- void *userdata) {
-
- Config *c = userdata;
-
- assert(b);
- assert(c);
-
- switch (event) {
-
- case AVAHI_BROWSER_NEW:
- case AVAHI_BROWSER_REMOVE: {
- char ifname[IF_NAMESIZE];
-
- printf("%c %4s %4s %s\n",
- event == AVAHI_BROWSER_NEW ? '+' : '-',
- interface != AVAHI_IF_UNSPEC ? if_indextoname(interface, ifname) : "n/a",
- protocol != AVAHI_PROTO_UNSPEC ? avahi_proto_to_string(protocol) : "n/a",
- domain);
- break;
- }
-
- case AVAHI_BROWSER_FAILURE:
- fprintf(stderr, "domain_browser failed: %s\n", avahi_strerror(avahi_client_errno(client)));
- avahi_simple_poll_quit(simple_poll);
- break;
-
- case AVAHI_BROWSER_CACHE_EXHAUSTED:
- n_cache_exhausted --;
- check_terminate(c);
- break;
-
- case AVAHI_BROWSER_ALL_FOR_NOW:
- n_all_for_now --;
- check_terminate(c);
- break;
- }
-}
-
-static void browse_domains(Config *c) {
- AvahiDomainBrowser *b;
-
- assert(c);
-
- if (!(b = avahi_domain_browser_new(
- client,
- AVAHI_IF_UNSPEC,
- AVAHI_PROTO_UNSPEC,
- c->domain,
- AVAHI_DOMAIN_BROWSER_BROWSE,
- 0,
- domain_browser_callback,
- c))) {
-
- fprintf(stderr, "avahi_domain_browser_new() failed: %s\n", avahi_strerror(avahi_client_errno(client)));
- avahi_simple_poll_quit(simple_poll);
- }
-
- n_cache_exhausted++;
- n_all_for_now++;
-}
-
-static int start(Config *config) {
-
- assert(!browsing);
-
- if (config->verbose) {
- const char *version, *hn;
-
- if (!(version = avahi_client_get_version_string(client))) {
- fprintf(stderr, "Failed to query version string: %s\n", avahi_strerror(avahi_client_errno(client)));
- return -1;
- }
-
- if (!(hn = avahi_client_get_host_name_fqdn(client))) {
- fprintf(stderr, "Failed to query host name: %s\n", avahi_strerror(avahi_client_errno(client)));
- return -1;
- }
-
- fprintf(stderr, "Server version: %s; Host name: %s\n", version, hn);
-
- if (config->command == COMMAND_BROWSE_DOMAINS)
- fprintf(stderr, "E Ifce Prot Domain\n");
- else
- fprintf(stderr, "E Ifce Prot %-*s %-20s Domain\n", n_columns-35, "Name", "Type");
- }
-
- if (config->command == COMMAND_BROWSE_SERVICES)
- browse_service_type(config, config->stype, config->domain);
- else if (config->command == COMMAND_BROWSE_ALL_SERVICES)
- browse_all(config);
- else {
- assert(config->command == COMMAND_BROWSE_DOMAINS);
- browse_domains(config);
- }
-
- browsing = 1;
- return 0;
-}
-
-static void client_callback(AvahiClient *c, AvahiClientState state, AVAHI_GCC_UNUSED void * userdata) {
- Config *config = userdata;
-
- /* This function might be called when avahi_client_new() has not
- * returned yet.*/
- client = c;
-
- switch (state) {
- case AVAHI_CLIENT_FAILURE:
-
- if (config->no_fail && avahi_client_errno(c) == AVAHI_ERR_DISCONNECTED) {
- int error;
-
- /* We have been disconnected, so let reconnect */
-
- fprintf(stderr, "Disconnected, reconnecting ...\n");
-
- avahi_client_free(client);
- client = NULL;
-
- avahi_string_list_free(browsed_types);
- browsed_types = NULL;
-
- while (services)
- remove_service(config, services);
-
- browsing = 0;
-
- if (!(client = avahi_client_new(avahi_simple_poll_get(simple_poll), AVAHI_CLIENT_NO_FAIL, client_callback, config, &error))) {
- fprintf(stderr, "Failed to create client object: %s\n", avahi_strerror(error));
- avahi_simple_poll_quit(simple_poll);
- }
-
- } else {
- fprintf(stderr, "Client failure, exiting: %s\n", avahi_strerror(avahi_client_errno(c)));
- avahi_simple_poll_quit(simple_poll);
- }
-
- break;
-
- case AVAHI_CLIENT_S_REGISTERING:
- case AVAHI_CLIENT_S_RUNNING:
- case AVAHI_CLIENT_S_COLLISION:
-
- if (!browsing)
- if (start(config) < 0)
- avahi_simple_poll_quit(simple_poll);
-
- break;
-
- case AVAHI_CLIENT_CONNECTING:
-
- if (config->verbose)
- fprintf(stderr, "Waiting for daemon ...\n");
-
- break;
- }
-}
-
-static void help(FILE *f, const char *argv0) {
- if (strstr(argv0, "domain"))
- fprintf(f, "%s [options] \n\n", argv0);
- else
- fprintf(f,
- "%s [options] <service type>\n"
- "%s [options] -a\n"
- "%s [options] -D\n\n",
- argv0, argv0, argv0);
-
- fprintf(f,
- " -h --help Show this help\n"
- " -V --version Show version\n"
- " -D --browse-domains Browse for browsing domains instead of services\n"
- " -a --all Show all services, regardless of the type\n"
- " -d --domain=DOMAIN The domain to browse in\n"
- " -v --verbose Enable verbose mode\n"
- " -t --terminate Terminate after dumping a more or less complete list\n"
- " -c --cache Terminate after dumping all entries from the cache\n"
- " -l --ignore-local Ignore local services\n"
- " -r --resolve Resolve services found\n"
- " -f --no-fail Don't fail if the daemon is not available\n"
-#ifdef HAVE_GDBM
- " -k --no-db-lookup Don't lookup service types\n"
-#endif
- );
-}
-
-static int parse_command_line(Config *c, const char *argv0, int argc, char *argv[]) {
- int o;
-
- static const struct option long_options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'V' },
- { "browse-domains", no_argument, NULL, 'D' },
- { "domain", required_argument, NULL, 'd' },
- { "all", no_argument, NULL, 'a' },
- { "verbose", no_argument, NULL, 'v' },
- { "terminate", no_argument, NULL, 't' },
- { "cache", no_argument, NULL, 'c' },
- { "ignore-local", no_argument, NULL, 'l' },
- { "resolve", no_argument, NULL, 'r' },
- { "no-fail", no_argument, NULL, 'f' },
-#ifdef HAVE_GDBM
- { "no-db-lookup", no_argument, NULL, 'k' },
-#endif
- { NULL, 0, NULL, 0 }
- };
-
- assert(c);
-
- c->command = strstr(argv0, "domain") ? COMMAND_BROWSE_DOMAINS : COMMAND_BROWSE_SERVICES;
- c->verbose =
- c->terminate_on_cache_exhausted =
- c->terminate_on_all_for_now =
- c->ignore_local =
- c->resolve =
- c->no_fail = 0;
- c->domain = c->stype = NULL;
-
-#ifdef HAVE_GDBM
- c->no_db_lookup = 0;
-#endif
-
- opterr = 0;
- while ((o = getopt_long(argc, argv, "hVd:avtclrDf"
-#ifdef HAVE_GDBM
- "k"
-#endif
- , long_options, NULL)) >= 0) {
-
- switch(o) {
- case 'h':
- c->command = COMMAND_HELP;
- break;
- case 'V':
- c->command = COMMAND_VERSION;
- break;
- case 'a':
- c->command = COMMAND_BROWSE_ALL_SERVICES;
- break;
- case 'D':
- c->command = COMMAND_BROWSE_DOMAINS;
- break;
- case 'd':
- avahi_free(c->domain);
- c->domain = avahi_strdup(optarg);
- break;
- case 'v':
- c->verbose = 1;
- break;
- case 't':
- c->terminate_on_all_for_now = 1;
- break;
- case 'c':
- c->terminate_on_cache_exhausted = 1;
- break;
- case 'l':
- c->ignore_local = 1;
- break;
- case 'r':
- c->resolve = 1;
- break;
- case 'f':
- c->no_fail = 1;
- break;
-#ifdef HAVE_GDBM
- case 'k':
- c->no_db_lookup = 1;
- break;
-#endif
- default:
- fprintf(stderr, "Invalid command line argument: %c\n", o);
- return -1;
- }
- }
-
- if (c->command == COMMAND_BROWSE_SERVICES) {
- if (optind >= argc) {
- fprintf(stderr, "Too few arguments\n");
- return -1;
- }
-
- c->stype = avahi_strdup(argv[optind]);
- optind++;
- }
-
- if (optind < argc) {
- fprintf(stderr, "Too many arguments\n");
- return -1;
- }
-
- return 0;
-}
-
-int main(int argc, char *argv[]) {
- int ret = 1, error;
- Config config;
- const char *argv0;
- char *ec;
-
- setlocale(LC_ALL, "");
-
- if ((argv0 = strrchr(argv[0], '/')))
- argv0++;
- else
- argv0 = argv[0];
-
- if ((ec = getenv("COLUMNS")))
- n_columns = atoi(ec);
-
- if (n_columns < 40)
- n_columns = 40;
-
- if (parse_command_line(&config, argv0, argc, argv) < 0)
- goto fail;
-
- switch (config.command) {
- case COMMAND_HELP:
- help(stdout, argv0);
- ret = 0;
- break;
-
- case COMMAND_VERSION:
- printf("%s "PACKAGE_VERSION"\n", argv0);
- ret = 0;
- break;
-
- case COMMAND_BROWSE_SERVICES:
- case COMMAND_BROWSE_ALL_SERVICES:
- case COMMAND_BROWSE_DOMAINS:
-
- if (!(simple_poll = avahi_simple_poll_new())) {
- fprintf(stderr, "Failed to create simple poll object.\n");
- goto fail;
- }
-
- if (sigint_install(simple_poll) < 0)
- goto fail;
-
- if (!(client = avahi_client_new(avahi_simple_poll_get(simple_poll), config.no_fail ? AVAHI_CLIENT_NO_FAIL : 0, client_callback, &config, &error))) {
- fprintf(stderr, "Failed to create client object: %s\n", avahi_strerror(error));
- goto fail;
- }
-
- avahi_simple_poll_loop(simple_poll);
- ret = 0;
- break;
- }
-
-
-fail:
-
- while (services)
- remove_service(&config, services);
-
- if (client)
- avahi_client_free(client);
-
- sigint_uninstall();
-
- if (simple_poll)
- avahi_simple_poll_free(simple_poll);
-
- avahi_free(config.domain);
- avahi_free(config.stype);
-
- avahi_string_list_free(browsed_types);
-
-#ifdef HAVE_GDBM
- stdb_shutdown();
-#endif
-
- return ret;
-}