diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 13 | ||||
| -rw-r--r-- | src/modules/module-bonjour-publish.c | 516 |
2 files changed, 529 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index fa5d1702..0224cb3f 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1123,6 +1123,11 @@ modlibexec_LTLIBRARIES += \ module-zeroconf-discover.la endif +if HAVE_BONJOUR +modlibexec_LTLIBRARIES += \ + module-bonjour-publish.la +endif + if HAVE_LIRC modlibexec_LTLIBRARIES += \ module-lirc.la @@ -1231,6 +1236,7 @@ SYMDEF_FILES = \ modules/module-esound-sink-symdef.h \ modules/module-zeroconf-publish-symdef.h \ modules/module-zeroconf-discover-symdef.h \ + modules/module-bonjour-publish-symdef.h \ modules/module-lirc-symdef.h \ modules/module-mmkbd-evdev-symdef.h \ modules/module-http-protocol-tcp-symdef.h \ @@ -1548,6 +1554,13 @@ module_zeroconf_discover_la_LDFLAGS = $(MODULE_LDFLAGS) module_zeroconf_discover_la_LIBADD = $(AM_LIBADD) $(AVAHI_LIBS) libavahi-wrap.la libpulsecore-@PA_MAJORMINORMICRO@.la libpulsecommon-@PA_MAJORMINORMICRO@.la libpulse.la module_zeroconf_discover_la_CFLAGS = $(AM_CFLAGS) $(AVAHI_CFLAGS) +# Bonjour + +module_bonjour_publish_la_SOURCES = modules/module-bonjour-publish.c +module_bonjour_publish_la_LDFLAGS = $(MODULE_LDFLAGS) \ + -Wl,-framework -Wl,CoreFoundation -framework CoreFoundation +module_bonjour_publish_la_LIBADD = libpulsecore-@PA_MAJORMINORMICRO@.la libpulsecommon-@PA_MAJORMINORMICRO@.la libpulse.la + # LIRC module_lirc_la_SOURCES = modules/module-lirc.c diff --git a/src/modules/module-bonjour-publish.c b/src/modules/module-bonjour-publish.c new file mode 100644 index 00000000..81b59763 --- /dev/null +++ b/src/modules/module-bonjour-publish.c @@ -0,0 +1,516 @@ +/*** + This file is part of PulseAudio. + + Copyright 2009 Daniel Mack + based on module-zeroconf-publish.c + + PulseAudio 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. + + PulseAudio 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 + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with PulseAudio; 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <dns_sd.h> + +#include <CoreFoundation/CoreFoundation.h> + +#include <pulse/xmalloc.h> +#include <pulse/util.h> + +#include <pulsecore/parseaddr.h> +#include <pulsecore/sink.h> +#include <pulsecore/source.h> +#include <pulsecore/native-common.h> +#include <pulsecore/core-util.h> +#include <pulsecore/log.h> +#include <pulsecore/core-subscribe.h> +#include <pulsecore/dynarray.h> +#include <pulsecore/modargs.h> +#include <pulsecore/avahi-wrap.h> +#include <pulsecore/endianmacros.h> +#include <pulsecore/protocol-native.h> + +#include "module-bonjour-publish-symdef.h" + +PA_MODULE_AUTHOR("Daniel Mack"); +PA_MODULE_DESCRIPTION("Mac OS X Bonjour Service Publisher"); +PA_MODULE_VERSION(PACKAGE_VERSION); +PA_MODULE_LOAD_ONCE(TRUE); + +#define SERVICE_TYPE_SINK "_pulse-sink._tcp" +#define SERVICE_TYPE_SOURCE "_pulse-source._tcp" +#define SERVICE_TYPE_SERVER "_pulse-server._tcp" + +static const char* const valid_modargs[] = { + NULL +}; + +enum service_subtype { + SUBTYPE_HARDWARE, + SUBTYPE_VIRTUAL, + SUBTYPE_MONITOR +}; + +struct service { + struct userdata *userdata; + DNSServiceRef service; + DNSRecordRef rec, rec2; + char *service_name; + pa_object *device; + enum service_subtype subtype; +}; + +struct userdata { + pa_core *core; + pa_module *module; + + pa_hashmap *services; + char *service_name; + + pa_hook_slot *sink_new_slot, *source_new_slot, *sink_unlink_slot, *source_unlink_slot, *sink_changed_slot, *source_changed_slot; + + pa_native_protocol *native; + DNSServiceRef main_service; +}; + +static void get_service_data(struct service *s, pa_sample_spec *ret_ss, pa_channel_map *ret_map, const char **ret_name, pa_proplist **ret_proplist, enum service_subtype *ret_subtype) { + pa_assert(s); + pa_assert(ret_ss); + pa_assert(ret_proplist); + pa_assert(ret_subtype); + + if (pa_sink_isinstance(s->device)) { + pa_sink *sink = PA_SINK(s->device); + + *ret_ss = sink->sample_spec; + *ret_map = sink->channel_map; + *ret_name = sink->name; + *ret_proplist = sink->proplist; + *ret_subtype = sink->flags & PA_SINK_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL; + + } else if (pa_source_isinstance(s->device)) { + pa_source *source = PA_SOURCE(s->device); + + *ret_ss = source->sample_spec; + *ret_map = source->channel_map; + *ret_name = source->name; + *ret_proplist = source->proplist; + *ret_subtype = source->monitor_of ? SUBTYPE_MONITOR : (source->flags & PA_SOURCE_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL); + + } else + pa_assert_not_reached(); +} + +static void txt_record_server_data(pa_core *c, TXTRecordRef *txt) { + char s[128]; + char *t; + + pa_assert(c); + + TXTRecordSetValue(txt, "server-version", strlen(PACKAGE_NAME" "PACKAGE_VERSION), PACKAGE_NAME" "PACKAGE_VERSION); + + t = pa_get_user_name_malloc(); + TXTRecordSetValue(txt, "user-name", strlen(t), t); + pa_xfree(t); + + t = pa_machine_id(); + TXTRecordSetValue(txt, "machine-id", strlen(t), t); + pa_xfree(t); + + t = pa_uname_string(); + TXTRecordSetValue(txt, "uname", strlen(t), t); + pa_xfree(t); + + t = pa_get_fqdn(s, sizeof(s)); + TXTRecordSetValue(txt, "fqdn", strlen(t), t); + + snprintf(s, sizeof(s), "0x%08x", c->cookie); + TXTRecordSetValue(txt, "cookie", strlen(s), s); +} + +static void service_free(struct service *s); + +static void dns_service_register_reply(DNSServiceRef sdRef, + DNSServiceFlags flags, + DNSServiceErrorType errorCode, + const char *name, + const char *regtype, + const char *domain, + void *context) { + struct service *s = context; + + pa_assert(s); + + switch (errorCode) { + case kDNSServiceErr_NameConflict: + pa_log("DNS service reported kDNSServiceErr_NameConflict\n"); + service_free(s); + break; + + case kDNSServiceErr_NoError: + default: + break; + } +} + +static uint16_t compute_port(struct userdata *u) { + pa_strlist *i; + + pa_assert(u); + + for (i = pa_native_protocol_servers(u->native); i; i = pa_strlist_next(i)) { + pa_parsed_address a; + + if (pa_parse_address(pa_strlist_data(i), &a) >= 0 && + (a.type == PA_PARSED_ADDRESS_TCP4 || + a.type == PA_PARSED_ADDRESS_TCP6 || + a.type == PA_PARSED_ADDRESS_TCP_AUTO) && + a.port > 0) { + + pa_xfree(a.path_or_host); + return a.port; + } + + pa_xfree(a.path_or_host); + } + + return PA_NATIVE_DEFAULT_PORT; +} + +static int publish_service(struct service *s) { + int r = -1; + TXTRecordRef txt; + DNSServiceErrorType err; + const char *name = NULL, *t; + pa_proplist *proplist = NULL; + pa_sample_spec ss; + pa_channel_map map; + char cm[PA_CHANNEL_MAP_SNPRINT_MAX], tmp[64]; + enum service_subtype subtype; + + const char * const subtype_text[] = { + [SUBTYPE_HARDWARE] = "hardware", + [SUBTYPE_VIRTUAL] = "virtual", + [SUBTYPE_MONITOR] = "monitor" + }; + + pa_assert(s); + + if (s->service) { + DNSServiceRefDeallocate(s->service); + s->service = NULL; + } + + TXTRecordCreate(&txt, 0, NULL); + + txt_record_server_data(s->userdata->core, &txt); + + get_service_data(s, &ss, &map, &name, &proplist, &subtype); + TXTRecordSetValue(&txt, "device", strlen(name), name); + + snprintf(tmp, sizeof(tmp), "%u", ss.rate); + TXTRecordSetValue(&txt, "rate", strlen(tmp), tmp); + + snprintf(tmp, sizeof(tmp), "%u", ss.channels); + TXTRecordSetValue(&txt, "channels", strlen(tmp), tmp); + + t = pa_sample_format_to_string(ss.format); + TXTRecordSetValue(&txt, "format", strlen(t), t); + + t = pa_channel_map_snprint(cm, sizeof(cm), &map); + TXTRecordSetValue(&txt, "channel_map", strlen(t), t); + + t = subtype_text[subtype]; + TXTRecordSetValue(&txt, "subtype", strlen(t), t); + + if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_DESCRIPTION))) + TXTRecordSetValue(&txt, "description", strlen(t), t); + if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_ICON_NAME))) + TXTRecordSetValue(&txt, "icon-name", strlen(t), t); + if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_VENDOR_NAME))) + TXTRecordSetValue(&txt, "vendor-name", strlen(t), t); + if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_PRODUCT_NAME))) + TXTRecordSetValue(&txt, "product-name", strlen(t), t); + if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_CLASS))) + TXTRecordSetValue(&txt, "class", strlen(t), t); + if ((t = pa_proplist_gets(proplist, PA_PROP_DEVICE_FORM_FACTOR))) + TXTRecordSetValue(&txt, "form-factor", strlen(t), t); + + err = DNSServiceRegister(&s->service, + 0, /* flags */ + kDNSServiceInterfaceIndexAny, + s->service_name, + pa_sink_isinstance(s->device) ? SERVICE_TYPE_SINK : SERVICE_TYPE_SOURCE, + NULL, /* domain */ + NULL, /* host */ + compute_port(s->userdata), + TXTRecordGetLength(&txt), + TXTRecordGetBytesPtr(&txt), + dns_service_register_reply, s); + + if (err != kDNSServiceErr_NoError) { + pa_log("DNSServiceRegister() returned err %d", err); + goto finish; + } + + pa_log_debug("Successfully registered Bonjour services for >%s<.", s->service_name); + return 0; + +finish: + + /* Remove this service */ + if (r < 0) + service_free(s); + + TXTRecordDeallocate(&txt); + + return r; +} + +static struct service *get_service(struct userdata *u, pa_object *device) { + struct service *s; + char *hn, *un; + const char *n; + + pa_assert(u); + pa_object_assert_ref(device); + + if ((s = pa_hashmap_get(u->services, device))) + return s; + + s = pa_xnew0(struct service, 1); + s->userdata = u; + s->device = device; + + if (pa_sink_isinstance(device)) { + if (!(n = pa_proplist_gets(PA_SINK(device)->proplist, PA_PROP_DEVICE_DESCRIPTION))) + n = PA_SINK(device)->name; + } else { + if (!(n = pa_proplist_gets(PA_SOURCE(device)->proplist, PA_PROP_DEVICE_DESCRIPTION))) + n = PA_SOURCE(device)->name; + } + + hn = pa_get_host_name_malloc(); + un = pa_get_user_name_malloc(); + + s->service_name = pa_truncate_utf8(pa_sprintf_malloc("%s@%s: %s", un, hn, n), kDNSServiceMaxDomainName-1); + + pa_xfree(un); + pa_xfree(hn); + + pa_hashmap_put(u->services, s->device, s); + + return s; +} + +static void service_free(struct service *s) { + pa_assert(s); + + pa_hashmap_remove(s->userdata->services, s->device); + + if (s->service) + DNSServiceRefDeallocate(s->service); + + pa_xfree(s->service_name); + pa_xfree(s); +} + +static pa_bool_t shall_ignore(pa_object *o) { + pa_object_assert_ref(o); + + if (pa_sink_isinstance(o)) + return !!(PA_SINK(o)->flags & PA_SINK_NETWORK); + + if (pa_source_isinstance(o)) + return PA_SOURCE(o)->monitor_of || (PA_SOURCE(o)->flags & PA_SOURCE_NETWORK); + + pa_assert_not_reached(); +} + +static pa_hook_result_t device_new_or_changed_cb(pa_core *c, pa_object *o, struct userdata *u) { + pa_assert(c); + pa_object_assert_ref(o); + + if (!shall_ignore(o)) + publish_service(get_service(u, o)); + + return PA_HOOK_OK; +} + +static pa_hook_result_t device_unlink_cb(pa_core *c, pa_object *o, struct userdata *u) { + struct service *s; + + pa_assert(c); + pa_object_assert_ref(o); + + if ((s = pa_hashmap_get(u->services, o))) + service_free(s); + + return PA_HOOK_OK; +} + +static int publish_main_service(struct userdata *u) { + DNSServiceErrorType err; + TXTRecordRef txt; + + pa_assert(u); + + if (u->main_service) { + DNSServiceRefDeallocate(u->main_service); + u->main_service = NULL; + } + + TXTRecordCreate(&txt, 0, NULL); + txt_record_server_data(u->core, &txt); + + err = DNSServiceRegister(&u->main_service, + 0, /* flags */ + kDNSServiceInterfaceIndexAny, + u->service_name, + SERVICE_TYPE_SERVER, + NULL, /* domain */ + NULL, /* host */ + compute_port(u), + TXTRecordGetLength(&txt), + TXTRecordGetBytesPtr(&txt), + NULL, NULL); + + if (err != kDNSServiceErr_NoError) { + pa_log("%s(): DNSServiceRegister() returned err %d", __func__, err); + return err; + } + + TXTRecordDeallocate(&txt); + + return 0; +} + +static int publish_all_services(struct userdata *u) { + pa_sink *sink; + pa_source *source; + uint32_t idx; + + pa_assert(u); + + pa_log_debug("Publishing services in Bonjour"); + + for (sink = PA_SINK(pa_idxset_first(u->core->sinks, &idx)); sink; sink = PA_SINK(pa_idxset_next(u->core->sinks, &idx))) + if (!shall_ignore(PA_OBJECT(sink))) + publish_service(get_service(u, PA_OBJECT(sink))); + + for (source = PA_SOURCE(pa_idxset_first(u->core->sources, &idx)); source; source = PA_SOURCE(pa_idxset_next(u->core->sources, &idx))) + if (!shall_ignore(PA_OBJECT(source))) + publish_service(get_service(u, PA_OBJECT(source))); + + return publish_main_service(u); +} + +static void unpublish_all_services(struct userdata *u) { + void *state = NULL; + struct service *s; + + pa_assert(u); + + pa_log_debug("Unpublishing services in Bonjour"); + + while ((s = pa_hashmap_iterate(u->services, &state, NULL))) + service_free(s); + + if (u->main_service) + DNSServiceRefDeallocate(u->main_service); +} + +int pa__init(pa_module*m) { + + struct userdata *u; + pa_modargs *ma = NULL; + char *hn, *un; + + if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { + pa_log("Failed to parse module arguments."); + goto fail; + } + + m->userdata = u = pa_xnew0(struct userdata, 1); + u->core = m->core; + u->module = m; + u->native = pa_native_protocol_get(u->core); + + u->services = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); + + u->sink_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u); + u->sink_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u); + u->sink_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) device_unlink_cb, u); + u->source_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u); + u->source_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED], PA_HOOK_LATE, (pa_hook_cb_t) device_new_or_changed_cb, u); + u->source_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], PA_HOOK_LATE, (pa_hook_cb_t) device_unlink_cb, u); + + un = pa_get_user_name_malloc(); + hn = pa_get_host_name_malloc(); + u->service_name = pa_truncate_utf8(pa_sprintf_malloc("%s@%s", un, hn), kDNSServiceMaxDomainName-1); + pa_xfree(un); + pa_xfree(hn); + + publish_all_services(u); + pa_modargs_free(ma); + + return 0; + +fail: + pa__done(m); + + if (ma) + pa_modargs_free(ma); + + return -1; +} + +void pa__done(pa_module*m) { + struct userdata*u; + pa_assert(m); + + if (!(u = m->userdata)) + return; + + unpublish_all_services(u); + + if (u->services) + pa_hashmap_free(u->services, NULL, NULL); + + if (u->sink_new_slot) + pa_hook_slot_free(u->sink_new_slot); + if (u->source_new_slot) + pa_hook_slot_free(u->source_new_slot); + if (u->sink_changed_slot) + pa_hook_slot_free(u->sink_changed_slot); + if (u->source_changed_slot) + pa_hook_slot_free(u->source_changed_slot); + if (u->sink_unlink_slot) + pa_hook_slot_free(u->sink_unlink_slot); + if (u->source_unlink_slot) + pa_hook_slot_free(u->source_unlink_slot); + + if (u->native) + pa_native_protocol_unref(u->native); + + pa_xfree(u->service_name); + pa_xfree(u); +} |