From: Lennart Poettering Date: Mon, 3 Sep 2007 12:43:06 +0000 (+0000) Subject: Add new option --parsable to avahi-browse for output in an easily parsable format... X-Git-Url: https://git.meshlink.io/?a=commitdiff_plain;h=dd8365aee5f2c61880120c49ea898399c8667a13;p=catta Add new option --parsable to avahi-browse for output in an easily parsable format. (Closes #169) git-svn-id: file:///home/lennart/svn/public/avahi/trunk@1529 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe --- diff --git a/avahi-utils/avahi-browse.c b/avahi-utils/avahi-browse.c index 896e80b..d75d1a9 100644 --- a/avahi-utils/avahi-browse.c +++ b/avahi-utils/avahi-browse.c @@ -68,6 +68,7 @@ typedef struct Config { Command command; int resolve; int no_fail; + int parsable; #if defined(HAVE_GDBM) || defined(HAVE_DBM) int no_db_lookup; #endif @@ -102,7 +103,7 @@ static void check_terminate(Config *c) { if (n_all_for_now <= 0 && n_resolving <= 0) { - if (c->verbose) { + if (c->verbose && !c->parsable) { printf(": All for now\n"); n_all_for_now++; /* Make sure that this event is not repeated */ } @@ -113,7 +114,7 @@ static void check_terminate(Config *c) { if (n_cache_exhausted <= 0 && n_resolving <= 0) { - if (c->verbose) { + if (c->verbose && !c->parsable) { printf(": Cache exhausted\n"); n_cache_exhausted++; /* Make sure that this event is not repeated */ } @@ -138,19 +139,30 @@ static ServiceInfo *find_service(AvahiIfIndex interface, AvahiProtocol protocol, return NULL; } -static void print_service_line(Config *config, char c, AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char *domain) { +static void print_service_line(Config *config, char c, AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char *domain, int nl) { char ifname[IF_NAMESIZE]; #if defined(HAVE_GDBM) || defined(HAVE_DBM) 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); + + if (config->parsable) { + char sn[AVAHI_DOMAIN_NAME_MAX], *e = sn; + size_t l = sizeof(sn); + + printf("%c;%s;%s;%s;%s;%s%s", + c, + interface != AVAHI_IF_UNSPEC ? if_indextoname(interface, ifname) : "n/a", + protocol != AVAHI_PROTO_UNSPEC ? avahi_proto_to_string(protocol) : "n/a", + avahi_escape_label(name, strlen(name), &e, &l), type, domain, nl ? "\n" : ""); + + } else + 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); fflush(stdout); } @@ -182,16 +194,24 @@ static void service_resolver_callback( 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); + print_service_line(i->config, '=', interface, protocol, name, type, domain, 0); + + if (i->config->parsable) + printf(";%s;%s;%u;%s\n", + host_name, + address, + port, + t); + else + printf(" hostname = [%s]\n" + " address = [%s]\n" + " port = [%u]\n" + " txt = [%s]\n", + host_name, + address, + port, + t); + avahi_free(t); break; @@ -282,7 +302,7 @@ static void service_browser_callback( add_service(c, interface, protocol, name, type, domain); - print_service_line(c, '+', interface, protocol, name, type, domain); + print_service_line(c, '+', interface, protocol, name, type, domain, 1); break; } @@ -295,7 +315,7 @@ static void service_browser_callback( remove_service(c, info); - print_service_line(c, '-', interface, protocol, name, type, domain); + print_service_line(c, '-', interface, protocol, name, type, domain, 1); break; } @@ -431,12 +451,19 @@ static void domain_browser_callback( 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); + + if (c->parsable) + printf("%c;%s;%s;%s\n", + event == AVAHI_BROWSER_NEW ? '+' : '-', + interface != AVAHI_IF_UNSPEC ? if_indextoname(interface, ifname) : "", + protocol != AVAHI_PROTO_UNSPEC ? avahi_proto_to_string(protocol) : "", + domain); + else + 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; } @@ -484,7 +511,7 @@ static int start(Config *config) { assert(!browsing); - if (config->verbose) { + if (config->verbose && !config->parsable) { const char *version, *hn; if (!(version = avahi_client_get_version_string(client))) { @@ -570,7 +597,7 @@ static void client_callback(AvahiClient *c, AvahiClientState state, AVAHI_GCC_UN case AVAHI_CLIENT_CONNECTING: - if (config->verbose) + if (config->verbose && !config->parsable) fprintf(stderr, "Waiting for daemon ...\n"); break; @@ -606,6 +633,7 @@ static void help(FILE *f, const char *argv0) { " -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" + " -p --parsable Output in parsable format\n" #if defined(HAVE_GDBM) || defined(HAVE_DBM) " -k --no-db-lookup Don't lookup service types\n" " -b --dump-db Dump service type database\n" @@ -628,6 +656,7 @@ static int parse_command_line(Config *c, const char *argv0, int argc, char *argv { "ignore-local", no_argument, NULL, 'l' }, { "resolve", no_argument, NULL, 'r' }, { "no-fail", no_argument, NULL, 'f' }, + { "parsable", no_argument, NULL, 'p' }, #if defined(HAVE_GDBM) || defined(HAVE_DBM) { "no-db-lookup", no_argument, NULL, 'k' }, { "dump-db", no_argument, NULL, 'b' }, @@ -643,14 +672,15 @@ static int parse_command_line(Config *c, const char *argv0, int argc, char *argv c->terminate_on_all_for_now = c->ignore_local = c->resolve = - c->no_fail = 0; + c->no_fail = + c->parsable = 0; c->domain = c->stype = NULL; #if defined(HAVE_GDBM) || defined(HAVE_DBM) c->no_db_lookup = 0; #endif - while ((o = getopt_long(argc, argv, "hVd:avtclrDf" + while ((o = getopt_long(argc, argv, "hVd:avtclrDfp" #if defined(HAVE_GDBM) || defined(HAVE_DBM) "kb" #endif @@ -691,6 +721,9 @@ static int parse_command_line(Config *c, const char *argv0, int argc, char *argv case 'f': c->no_fail = 1; break; + case 'p': + c->parsable = 1; + break; #if defined(HAVE_GDBM) || defined(HAVE_DBM) case 'k': c->no_db_lookup = 1; diff --git a/man/avahi-browse.1.xml.in b/man/avahi-browse.1.xml.in index 15856d2..b7dac7a 100644 --- a/man/avahi-browse.1.xml.in +++ b/man/avahi-browse.1.xml.in @@ -42,7 +42,7 @@

Specify a DNS-SD service type (e.g. _http._tcp) to browse for on the command line, or -a to browse for all - available service types. Items that appear on the network are prefixed with "+", items that disappear are prefixed with "-".

+ available service types. Items that appear on the network are prefixed with "+", items that disappear are prefixed with "-". If --resolve is passed items that are resolved are prefixed with "=".

+ +