コード例 #1
0
void pa__done(pa_module*m) {
    struct userdata*u;
    pa_assert(m);

    if (!(u = m->userdata))
        return;

    if (u->client)
        avahi_client_free(u->client);

    if (u->avahi_poll)
        pa_avahi_poll_free(u->avahi_poll);

    if (u->tunnels) {
        struct tunnel *t;

        while ((t = pa_hashmap_steal_first(u->tunnels))) {
            pa_module_unload_request_by_index(u->core, t->module_index, TRUE);
            tunnel_free(t);
        }

        pa_hashmap_free(u->tunnels, NULL, NULL);
    }

    pa_xfree(u);
}
コード例 #2
0
static void browser_cb(
        AvahiServiceBrowser *b,
        AvahiIfIndex interface, AvahiProtocol protocol,
        AvahiBrowserEvent event,
        const char *name, const char *type, const char *domain,
        AvahiLookupResultFlags flags,
        void *userdata) {

    struct userdata *u = userdata;
    struct tunnel *t;

    pa_assert(u);

    if (flags & AVAHI_LOOKUP_RESULT_LOCAL)
        return;

    t = tunnel_new(interface, protocol, name, type, domain);

    if (event == AVAHI_BROWSER_NEW) {

        if (!pa_hashmap_get(u->tunnels, t))
            if (!(avahi_service_resolver_new(u->client, interface, protocol, name, type, domain, AVAHI_PROTO_UNSPEC, 0, resolver_cb, u)))
                pa_log("avahi_service_resolver_new() failed: %s", avahi_strerror(avahi_client_errno(u->client)));

        /* We ignore the returned resolver object here, since the we don't
         * need to attach any special data to it, and we can still destroy
         * it from the callback */

    } else if (event == AVAHI_BROWSER_REMOVE) {
        struct tunnel *t2;

        if ((t2 = pa_hashmap_get(u->tunnels, t))) {
            pa_module_unload_request_by_index(u->core, t2->module_index, TRUE);
            pa_hashmap_remove(u->tunnels, t2);
            tunnel_free(t2);
        }
    }

    tunnel_free(t);
}
コード例 #3
0
static void resolver_cb(
        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,
        AvahiLookupResultFlags flags,
        void *userdata) {
    struct userdata *u = userdata;
    struct tunnel *tnl;
    char *device = NULL, *nicename, *dname, *vname, *args;
    char *tp = NULL, *et = NULL, *cn = NULL;
    char *ch = NULL, *ss = NULL, *sr = NULL;
    char *t = NULL;
    char at[AVAHI_ADDRESS_STR_MAX];
    AvahiStringList *l;
    pa_module *m;

    pa_assert(u);

    tnl = tunnel_new(interface, protocol, name, type, domain);

    if (event != AVAHI_RESOLVER_FOUND) {
        pa_log("Resolving of '%s' failed: %s", name, avahi_strerror(avahi_client_errno(u->client)));
        goto finish;
    }

    if ((nicename = strstr(name, "@"))) {
        ++nicename;
        if (strlen(nicename) > 0) {
            pa_log_debug("Found RAOP: %s", nicename);
            nicename = pa_escape(nicename, "\"'");
        } else
            nicename = NULL;
    }

    for (l = txt; l; l = l->next) {
        char *key, *value;
        pa_assert_se(avahi_string_list_get_pair(l, &key, &value, NULL) == 0);

        pa_log_debug("Found key: '%s' with value: '%s'", key, value);
        if (pa_streq(key, "device")) {
            device = value;
            value = NULL;
        } else if (pa_streq(key, "tp")) {
            /* Transport protocol:
             *  - TCP = only TCP,
             *  - UDP = only UDP,
             *  - TCP,UDP = both supported (UDP should be prefered) */
            pa_xfree(tp);
            if (pa_str_in_list(value, ",", "UDP"))
                tp = pa_xstrdup("UDP");
            else if (pa_str_in_list(value, ",", "TCP"))
                tp = pa_xstrdup("TCP");
            else
                tp = pa_xstrdup(value);
        } else if (pa_streq(key, "et")) {
            /* Supported encryption types:
             *  - 0 = none,
             *  - 1 = RSA,
             *  - 2 = FairPlay,
             *  - 3 = MFiSAP,
             *  - 4 = FairPlay SAPv2.5. */
            pa_xfree(et);
            if (pa_str_in_list(value, ",", "1"))
                et = pa_xstrdup("RSA");
            else
                et = pa_xstrdup("none");
        } else if (pa_streq(key, "cn")) {
            /* Suported audio codecs:
             *  - 0 = PCM,
             *  - 1 = ALAC,
             *  - 2 = AAC,
             *  - 3 = AAC ELD. */
            pa_xfree(cn);
            if (pa_str_in_list(value, ",", "1"))
                cn = pa_xstrdup("ALAC");
            else
                cn = pa_xstrdup("PCM");
        } else if (pa_streq(key, "md")) {
            /* Supported metadata types:
             *  - 0 = text,
             *  - 1 = artwork,
             *  - 2 = progress. */
        } else if (pa_streq(key, "pw")) {
            /* Requires password ? (true/false) */
        } else if (pa_streq(key, "ch")) {
            /* Number of channels */
            pa_xfree(ch);
            ch = pa_xstrdup(value);
        } else if (pa_streq(key, "ss")) {
            /* Sample size */
            pa_xfree(ss);
            ss = pa_xstrdup(value);
        } else if (pa_streq(key, "sr")) {
            /* Sample rate */
            pa_xfree(sr);
            sr = pa_xstrdup(value);
        }

        avahi_free(key);
        avahi_free(value);
    }

    if (device)
        dname = pa_sprintf_malloc("raop_output.%s.%s", host_name, device);
    else
        dname = pa_sprintf_malloc("raop_output.%s", host_name);

    if (!(vname = pa_namereg_make_valid_name(dname))) {
        pa_log("Cannot construct valid device name from '%s'.", dname);
        avahi_free(device);
        pa_xfree(dname);
        pa_xfree(tp);
        pa_xfree(et);
        pa_xfree(cn);
        pa_xfree(ch);
        pa_xfree(ss);
        pa_xfree(sr);
        goto finish;
    }

    avahi_free(device);
    pa_xfree(dname);

    avahi_address_snprint(at, sizeof(at), a);
    if (nicename) {
        args = pa_sprintf_malloc("server=[%s]:%u "
                                 "sink_name=%s "
                                 "sink_properties='device.description=\"%s (%s:%u)\"'",
                                 at, port,
                                 vname,
                                 nicename, at, port);
        pa_xfree(nicename);
    } else {
        args = pa_sprintf_malloc("server=[%s]:%u "
                                 "sink_name=%s"
                                 "sink_properties='device.description=\"%s:%u\"'",
                                 at, port,
                                 vname,
                                 at, port);
    }

    if (tp != NULL) {
        t = args;
        args = pa_sprintf_malloc("%s protocol=%s", args, tp);
        pa_xfree(tp);
        pa_xfree(t);
    }
    if (et != NULL) {
        t = args;
        args = pa_sprintf_malloc("%s encryption=%s", args, et);
        pa_xfree(et);
        pa_xfree(t);
    }
    if (cn != NULL) {
        t = args;
        args = pa_sprintf_malloc("%s codec=%s", args, cn);
        pa_xfree(cn);
        pa_xfree(t);
    }
    if (ch != NULL) {
        t = args;
        args = pa_sprintf_malloc("%s channels=%s", args, ch);
        pa_xfree(ch);
        pa_xfree(t);
    }
    if (ss != NULL) {
        t = args;
        args = pa_sprintf_malloc("%s format=%s", args, ss);
        pa_xfree(ss);
        pa_xfree(t);
    }
    if (sr != NULL) {
        t = args;
        args = pa_sprintf_malloc("%s rate=%s", args, sr);
        pa_xfree(sr);
        pa_xfree(t);
    }

    pa_log_debug("Loading module-raop-sink with arguments '%s'", args);

    if ((m = pa_module_load(u->core, "module-raop-sink", args))) {
        tnl->module_index = m->index;
        pa_hashmap_put(u->tunnels, tnl, tnl);
        tnl = NULL;
    }

    pa_xfree(vname);
    pa_xfree(args);

finish:
    avahi_service_resolver_free(r);

    if (tnl)
        tunnel_free(tnl);
}
コード例 #4
0
static void resolver_cb(
        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,
        AvahiLookupResultFlags flags,
        void *userdata) {

    struct userdata *u = userdata;
    struct tunnel *tnl;

    pa_assert(u);

    tnl = tunnel_new(interface, protocol, name, type, domain);

    if (event != AVAHI_RESOLVER_FOUND)
        pa_log("Resolving of '%s' failed: %s", name, avahi_strerror(avahi_client_errno(u->client)));
    else {
        char *device = NULL, *dname, *module_name, *args;
        const char *t;
        char at[AVAHI_ADDRESS_STR_MAX], cmt[PA_CHANNEL_MAP_SNPRINT_MAX];
        pa_sample_spec ss;
        pa_channel_map cm;
        AvahiStringList *l;
        pa_bool_t channel_map_set = FALSE;
        pa_module *m;

        ss = u->core->default_sample_spec;
        cm = u->core->default_channel_map;

        for (l = txt; l; l = l->next) {
            char *key, *value;
            pa_assert_se(avahi_string_list_get_pair(l, &key, &value, NULL) == 0);

            if (pa_streq(key, "device")) {
                pa_xfree(device);
                device = value;
                value = NULL;
            } else if (pa_streq(key, "rate"))
                ss.rate = (uint32_t) atoi(value);
            else if (pa_streq(key, "channels"))
                ss.channels = (uint8_t) atoi(value);
            else if (pa_streq(key, "format"))
                ss.format = pa_parse_sample_format(value);
            else if (pa_streq(key, "channel_map")) {
                pa_channel_map_parse(&cm, value);
                channel_map_set = TRUE;
            }

            avahi_free(key);
            avahi_free(value);
        }

        if (!channel_map_set && cm.channels != ss.channels)
            pa_channel_map_init_extend(&cm, ss.channels, PA_CHANNEL_MAP_DEFAULT);

        if (!pa_sample_spec_valid(&ss)) {
            pa_log("Service '%s' contains an invalid sample specification.", name);
            avahi_free(device);
            goto finish;
        }

        if (!pa_channel_map_valid(&cm) || cm.channels != ss.channels) {
            pa_log("Service '%s' contains an invalid channel map.", name);
            avahi_free(device);
            goto finish;
        }

        if (device)
            dname = pa_sprintf_malloc("tunnel.%s.%s", host_name, device);
        else
            dname = pa_sprintf_malloc("tunnel.%s", host_name);

        if (!pa_namereg_is_valid_name(dname)) {
            pa_log("Cannot construct valid device name from credentials of service '%s'.", dname);
            avahi_free(device);
            pa_xfree(dname);
            goto finish;
        }

        t = strstr(type, "sink") ? "sink" : "source";

        module_name = pa_sprintf_malloc("module-tunnel-%s", t);
        args = pa_sprintf_malloc("server=[%s]:%u "
                                 "%s=%s "
                                 "format=%s "
                                 "channels=%u "
                                 "rate=%u "
                                 "%s_name=%s "
                                 "channel_map=%s",
                                 avahi_address_snprint(at, sizeof(at), a), port,
                                 t, device,
                                 pa_sample_format_to_string(ss.format),
                                 ss.channels,
                                 ss.rate,
                                 t, dname,
                                 pa_channel_map_snprint(cmt, sizeof(cmt), &cm));

        pa_log_debug("Loading %s with arguments '%s'", module_name, args);

        if ((m = pa_module_load(u->core, module_name, args))) {
            tnl->module_index = m->index;
            pa_hashmap_put(u->tunnels, tnl, tnl);
            tnl = NULL;
        }

        pa_xfree(module_name);
        pa_xfree(dname);
        pa_xfree(args);
        avahi_free(device);
    }

finish:

    avahi_service_resolver_free(r);

    if (tnl)
        tunnel_free(tnl);
}
コード例 #5
0
static void resolver_cb(
        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,
        AvahiLookupResultFlags flags,
        void *userdata) {

    struct userdata *u = userdata;
    struct tunnel *tnl;

    pa_assert(u);

    tnl = tunnel_new(interface, protocol, name, type, domain);

    if (event != AVAHI_RESOLVER_FOUND)
        pa_log("Resolving of '%s' failed: %s", name, avahi_strerror(avahi_client_errno(u->client)));
    else {
        char *device = NULL, *nicename, *dname, *vname, *args;
        char at[AVAHI_ADDRESS_STR_MAX];
        AvahiStringList *l;
        pa_module *m;

        if ((nicename = strstr(name, "@"))) {
            ++nicename;
            if (strlen(nicename) > 0) {
                pa_log_debug("Found RAOP: %s", nicename);
                nicename = pa_escape(nicename, "\"'");
            } else
                nicename = NULL;
        }

        for (l = txt; l; l = l->next) {
            char *key, *value;
            pa_assert_se(avahi_string_list_get_pair(l, &key, &value, NULL) == 0);

            pa_log_debug("Found key: '%s' with value: '%s'", key, value);
            if (pa_streq(key, "device")) {
                pa_xfree(device);
                device = value;
                value = NULL;
            }
            avahi_free(key);
            avahi_free(value);
        }

        if (device)
            dname = pa_sprintf_malloc("raop.%s.%s", host_name, device);
        else
            dname = pa_sprintf_malloc("raop.%s", host_name);

        if (!(vname = pa_namereg_make_valid_name(dname))) {
            pa_log("Cannot construct valid device name from '%s'.", dname);
            avahi_free(device);
            pa_xfree(dname);
            goto finish;
        }
        pa_xfree(dname);

        if (nicename) {
            args = pa_sprintf_malloc("server=[%s]:%u "
                                     "sink_name=%s "
                                     "sink_properties='device.description=\"%s\"'",
                                     avahi_address_snprint(at, sizeof(at), a), port,
                                     vname,
                                     nicename);
            pa_xfree(nicename);
        } else {
            args = pa_sprintf_malloc("server=[%s]:%u "
                                     "sink_name=%s",
                                     avahi_address_snprint(at, sizeof(at), a), port,
                                     vname);
        }

        pa_log_debug("Loading module-raop-sink with arguments '%s'", args);

        if ((m = pa_module_load(u->core, "module-raop-sink", args))) {
            tnl->module_index = m->index;
            pa_hashmap_put(u->tunnels, tnl, tnl);
            tnl = NULL;
        }

        pa_xfree(vname);
        pa_xfree(args);
        avahi_free(device);
    }

finish:

    avahi_service_resolver_free(r);

    if (tnl)
        tunnel_free(tnl);
}