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rework the tunnel naming scheme, and make it follow the description changes of the underlying devices; never check for tagstruct eof, to ease later extensions

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1995 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-10-30 01:50:22 +00:00
parent bb2e1afd51
commit 1e0454eb74
1 changed files with 231 additions and 29 deletions
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260
src/modules/module-tunnel.c
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@ -123,8 +123,8 @@ enum {
#ifdef TUNNEL_SINK
static void command_request(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
static void command_subscribe_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
#endif
static void command_subscribe_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
static void command_stream_killed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
static void command_overflow(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
static void command_underflow(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
@ -132,8 +132,8 @@ static void command_underflow(pa_pdispatch *pd, uint32_t command, uint32_t tag,
static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
#ifdef TUNNEL_SINK
[PA_COMMAND_REQUEST] = command_request,
[PA_COMMAND_SUBSCRIBE_EVENT] = command_subscribe_event,
#endif
[PA_COMMAND_SUBSCRIBE_EVENT] = command_subscribe_event,
[PA_COMMAND_OVERFLOW] = command_overflow,
[PA_COMMAND_UNDERFLOW] = command_underflow,
[PA_COMMAND_PLAYBACK_STREAM_KILLED] = command_stream_killed,
@ -177,6 +177,10 @@ struct userdata {
pa_smoother *smoother;
char *device_description;
char *server_fqdn;
char *user_name;
uint32_t maxlength;
#ifdef TUNNEL_SINK
uint32_t tlength;
@ -414,8 +418,7 @@ static void command_request(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED ui
pa_assert(u->pdispatch == pd);
if (pa_tagstruct_getu32(t, &channel) < 0 ||
pa_tagstruct_getu32(t, &bytes) < 0 ||
!pa_tagstruct_eof(t)) {
pa_tagstruct_getu32(t, &bytes) < 0) {
pa_log("Invalid protocol reply");
goto fail;
}
@ -458,8 +461,7 @@ static void stream_get_latency_callback(pa_pdispatch *pd, uint32_t command, PA_G
pa_tagstruct_get_timeval(t, &local) < 0 ||
pa_tagstruct_get_timeval(t, &remote) < 0 ||
pa_tagstruct_gets64(t, &write_index) < 0 ||
pa_tagstruct_gets64(t, &read_index) < 0 ||
!pa_tagstruct_eof(t)) {
pa_tagstruct_gets64(t, &read_index) < 0) {
pa_log("Invalid reply. (latency)");
goto fail;
}
@ -571,7 +573,118 @@ static pa_usec_t source_get_latency(pa_source *s) {
}
#endif
static void update_description(struct userdata *u) {
char *d;
pa_assert(u);
if (!u->server_fqdn || !u->user_name || !u->device_description)
return;
d = pa_sprintf_malloc("%s's %s on %s", u->user_name, u->device_description, u->server_fqdn);
#ifdef TUNNEL_SINK
pa_sink_set_description(u->sink, d);
#else
pa_source_set_description(u->source, d);
#endif
pa_xfree(d);
}
static void server_info_cb(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
pa_sample_spec ss;
const char *server_name, *server_version, *user_name, *host_name, *default_sink_name, *default_source_name;
uint32_t cookie;
pa_assert(pd);
pa_assert(u);
if (command != PA_COMMAND_REPLY) {
if (command == PA_COMMAND_ERROR)
pa_log("Failed to get info.");
else
pa_log("Protocol error 6.");
goto fail;
}
if (pa_tagstruct_gets(t, &server_name) < 0 ||
pa_tagstruct_gets(t, &server_version) < 0 ||
pa_tagstruct_gets(t, &user_name) < 0 ||
pa_tagstruct_gets(t, &host_name) < 0 ||
pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
pa_tagstruct_gets(t, &default_sink_name) < 0 ||
pa_tagstruct_gets(t, &default_source_name) < 0 ||
pa_tagstruct_getu32(t, &cookie) < 0) {
pa_log("Invalid reply. (get_server_info)");
goto fail;
}
pa_xfree(u->server_fqdn);
u->server_fqdn = pa_xstrdup(host_name);
pa_xfree(u->user_name);
u->user_name = pa_xstrdup(user_name);
update_description(u);
return;
fail:
pa_module_unload_request(u->module);
}
#ifdef TUNNEL_SINK
static void sink_info_cb(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
uint32_t idx, owner_module, monitor_source, flags;
const char *name, *description, *monitor_source_name, *driver;
pa_sample_spec ss;
pa_channel_map cm;
pa_cvolume volume;
int mute;
pa_usec_t latency;
pa_assert(pd);
pa_assert(u);
if (command != PA_COMMAND_REPLY) {
if (command == PA_COMMAND_ERROR)
pa_log("Failed to get info.");
else
pa_log("Protocol error 5.");
goto fail;
}
if (pa_tagstruct_getu32(t, &idx) < 0 ||
pa_tagstruct_gets(t, &name) < 0 ||
pa_tagstruct_gets(t, &description) < 0 ||
pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
pa_tagstruct_get_channel_map(t, &cm) < 0 ||
pa_tagstruct_getu32(t, &owner_module) < 0 ||
pa_tagstruct_get_cvolume(t, &volume) < 0 ||
pa_tagstruct_get_boolean(t, &mute) < 0 ||
pa_tagstruct_getu32(t, &monitor_source) < 0 ||
pa_tagstruct_gets(t, &monitor_source_name) < 0 ||
pa_tagstruct_get_usec(t, &latency) < 0 ||
pa_tagstruct_gets(t, &driver) < 0 ||
pa_tagstruct_getu32(t, &flags) < 0) {
pa_log("Invalid reply. (get_sink_info)");
goto fail;
}
pa_xfree(u->device_description);
u->device_description = pa_xstrdup(description);
update_description(u);
return;
fail:
pa_module_unload_request(u->module);
}
static void sink_input_info_cb(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
@ -606,12 +719,14 @@ static void sink_input_info_cb(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED
pa_tagstruct_get_usec(t, &sink_usec) < 0 ||
pa_tagstruct_gets(t, &resample_method) < 0 ||
pa_tagstruct_gets(t, &driver) < 0 ||
(u->version >= 11 && pa_tagstruct_get_boolean(t, &mute) < 0) ||
!pa_tagstruct_eof(t)) {
(u->version >= 11 && pa_tagstruct_get_boolean(t, &mute) < 0)) {
pa_log("Invalid reply. (get_info)");
goto fail;
}
if (idx != u->device_index)
return;
pa_assert(u->sink);
if ((u->version < 11 || !!mute == !!u->sink->muted) &&
@ -630,17 +745,94 @@ fail:
pa_module_unload_request(u->module);
}
#else
static void source_info_cb(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
uint32_t idx, owner_module, monitor_of_sink, flags;
const char *name, *description, *monitor_of_sink_name, *driver;
pa_sample_spec ss;
pa_channel_map cm;
pa_cvolume volume;
int mute;
pa_usec_t latency;
pa_assert(pd);
pa_assert(u);
if (command != PA_COMMAND_REPLY) {
if (command == PA_COMMAND_ERROR)
pa_log("Failed to get info.");
else
pa_log("Protocol error 5.");
goto fail;
}
if (pa_tagstruct_getu32(t, &idx) < 0 ||
pa_tagstruct_gets(t, &name) < 0 ||
pa_tagstruct_gets(t, &description) < 0 ||
pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
pa_tagstruct_get_channel_map(t, &cm) < 0 ||
pa_tagstruct_getu32(t, &owner_module) < 0 ||
pa_tagstruct_get_cvolume(t, &volume) < 0 ||
pa_tagstruct_get_boolean(t, &mute) < 0 ||
pa_tagstruct_getu32(t, &monitor_of_sink) < 0 ||
pa_tagstruct_gets(t, &monitor_of_sink_name) < 0 ||
pa_tagstruct_get_usec(t, &latency) < 0 ||
pa_tagstruct_gets(t, &driver) < 0 ||
pa_tagstruct_getu32(t, &flags) < 0) {
pa_log("Invalid reply. (get_source_info)");
goto fail;
}
pa_xfree(u->device_description);
u->device_description = pa_xstrdup(description);
update_description(u);
return;
fail:
pa_module_unload_request(u->module);
}
#endif
static void request_info(struct userdata *u) {
pa_tagstruct *t;
uint32_t tag;
pa_assert(u);
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_SERVER_INFO);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_pstream_send_tagstruct(u->pstream, t);
pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, server_info_cb, u, NULL);
#ifdef TUNNEL_SINK
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_SINK_INPUT_INFO);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, u->device_index);
pa_pstream_send_tagstruct(u->pstream, t);
pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, sink_input_info_cb, u, NULL);
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_SINK_INFO);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, u->sink_name);
pa_pstream_send_tagstruct(u->pstream, t);
pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, sink_info_cb, u, NULL);
#else
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_SOURCE_INFO);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, u->source_name);
pa_pstream_send_tagstruct(u->pstream, t);
pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, source_info_cb, u, NULL);
#endif
}
static void command_subscribe_event(pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
@ -654,14 +846,20 @@ static void command_subscribe_event(pa_pdispatch *pd, PA_GCC_UNUSED uint32_t com
pa_assert(command == PA_COMMAND_SUBSCRIBE_EVENT);
if (pa_tagstruct_getu32(t, &e) < 0 ||
pa_tagstruct_getu32(t, &idx) < 0 ||
!pa_tagstruct_eof(t)) {
pa_tagstruct_getu32(t, &idx) < 0) {
pa_log("Invalid protocol reply");
pa_module_unload_request(u->module);
return;
}
if (e != (PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE))
if (e != (PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE) &&
#ifdef TUNNEL_SINK
e != (PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE) &&
e != (PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE)
#else
e != (PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE)
#endif
)
return;
request_info(u);
@ -675,10 +873,16 @@ static void start_subscribe(struct userdata *u) {
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, PA_SUBSCRIPTION_MASK_SINK_INPUT);
pa_tagstruct_putu32(t, PA_SUBSCRIPTION_MASK_SERVER|
#ifdef TUNNEL_SINK
PA_SUBSCRIPTION_MASK_SINK_INPUT|PA_SUBSCRIPTION_MASK_SINK
#else
PA_SUBSCRIPTION_MASK_SOURCE
#endif
);
pa_pstream_send_tagstruct(u->pstream, t);
}
#endif
static void create_stream_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
@ -725,13 +929,8 @@ static void create_stream_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UN
#endif
}
if (!pa_tagstruct_eof(t))
goto parse_error;
#ifdef TUNNEL_SINK
start_subscribe(u);
request_info(u);
#endif
pa_assert(!u->time_event);
pa_gettimeofday(&ntv);
@ -768,8 +967,7 @@ static void setup_complete_callback(pa_pdispatch *pd, uint32_t command, uint32_t
pa_assert(u->pdispatch == pd);
if (command != PA_COMMAND_REPLY ||
pa_tagstruct_getu32(t, &u->version) < 0 ||
!pa_tagstruct_eof(t)) {
pa_tagstruct_getu32(t, &u->version) < 0) {
if (command == PA_COMMAND_ERROR)
pa_log("Failed to authenticate");
else
@ -785,21 +983,21 @@ static void setup_complete_callback(pa_pdispatch *pd, uint32_t command, uint32_t
}
#ifdef TUNNEL_SINK
pa_snprintf(name, sizeof(name), "Tunnel from host %s, user %s, sink %s",
pa_get_host_name(hn, sizeof(hn)),
pa_snprintf(name, sizeof(name), "%s@%s",
pa_get_user_name(un, sizeof(un)),
pa_get_host_name(hn, sizeof(hn)),
u->sink->name);
#else
pa_snprintf(name, sizeof(name), "Tunnel from host %s, user %s, source %s",
pa_get_host_name(hn, sizeof(hn)),
pa_snprintf(name, sizeof(name), "%s@%s",
pa_get_user_name(un, sizeof(un)),
pa_get_host_name(hn, sizeof(hn)),
u->source->name);
#endif
reply = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(reply, PA_COMMAND_SET_CLIENT_NAME);
pa_tagstruct_putu32(reply, tag = u->ctag++);
pa_tagstruct_puts(reply, name);
pa_tagstruct_puts(reply, "PulseAudio");
pa_pstream_send_tagstruct(u->pstream, reply);
/* We ignore the server's reply here */
@ -1004,7 +1202,7 @@ static int load_key(struct userdata *u, const char*fn) {
u->auth_cookie_in_property = FALSE;
if (!fn && pa_authkey_prop_get(u->core, PA_NATIVE_COOKIE_PROPERTY_NAME, u->auth_cookie, sizeof(u->auth_cookie)) >= 0) {
pa_log_debug("using already loaded auth cookie.");
pa_log_debug("Using already loaded auth cookie.");
pa_authkey_prop_ref(u->core, PA_NATIVE_COOKIE_PROPERTY_NAME);
u->auth_cookie_in_property = 1;
return 0;
@ -1016,7 +1214,7 @@ static int load_key(struct userdata *u, const char*fn) {
if (pa_authkey_load_auto(fn, u->auth_cookie, sizeof(u->auth_cookie)) < 0)
return -1;
pa_log_debug("loading cookie from disk.");
pa_log_debug("Loading cookie from disk.");
if (pa_authkey_prop_put(u->core, PA_NATIVE_COOKIE_PROPERTY_NAME, u->auth_cookie, sizeof(u->auth_cookie)) >= 0)
u->auth_cookie_in_property = TRUE;
@ -1108,7 +1306,7 @@ int pa__init(pa_module*m) {
pa_sink_set_module(u->sink, m);
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
pa_sink_set_description(u->sink, t = pa_sprintf_malloc("Tunnel to %s%s%s", u->sink_name ? u->sink_name : "", u->sink_name ? " on " : "", u->server_name));
pa_sink_set_description(u->sink, t = pa_sprintf_malloc("%s%s%s", u->sink_name ? u->sink_name : "", u->sink_name ? " on " : "", u->server_name));
pa_xfree(t);
#else
@ -1130,7 +1328,7 @@ int pa__init(pa_module*m) {
pa_source_set_module(u->source, m);
pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
pa_source_set_rtpoll(u->source, u->rtpoll);
pa_source_set_description(u->source, t = pa_sprintf_malloc("Tunnel to %s%s%s", u->source_name ? u->source_name : "", u->source_name ? " on " : "", u->server_name));
pa_source_set_description(u->source, t = pa_sprintf_malloc("%s%s%s", u->source_name ? u->source_name : "", u->source_name ? " on " : "", u->server_name));
pa_xfree(t);
#endif
@ -1237,5 +1435,9 @@ void pa__done(pa_module*m) {
#endif
pa_xfree(u->server_name);
pa_xfree(u->device_description);
pa_xfree(u->server_fqdn);
pa_xfree(u->user_name);
pa_xfree(u);
}