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authorColin Guthrie <colin@mageia.org>2011-06-07 23:21:04 +0100
committerColin Guthrie <colin@mageia.org>2011-06-22 22:47:55 +0100
commit695d5363803b7051f85bef82b55220aa37b212a5 (patch)
tree674945ffeec9d803e62bbad9dae31385d35a64ee
parentec4fa4c668a61de8ed7c9452e73919ba0bb1a870 (diff)
database: Convert our use of database files to save in tagstruct format.
This has the advantage of allowing versioned updates in the future, thus allowing us to be more user friendly going forward (as opposed to just ignoring entries from old versions). The primary motivation for this, however, is to allow variable length storage in each entry which will be needed for upcoming work. At present this commit will ignore any legacy entries but support for reading and subsequently converting legacy entries will be added shortly.
-rw-r--r--src/modules/module-card-restore.c110
-rw-r--r--src/modules/module-device-manager.c212
-rw-r--r--src/modules/module-device-restore.c191
-rw-r--r--src/modules/module-stream-restore.c420
4 files changed, 565 insertions, 368 deletions
diff --git a/src/modules/module-card-restore.c b/src/modules/module-card-restore.c
index ed0a31df..83acbd79 100644
--- a/src/modules/module-card-restore.c
+++ b/src/modules/module-card-restore.c
@@ -46,6 +46,7 @@
#include <pulsecore/card.h>
#include <pulsecore/namereg.h>
#include <pulsecore/database.h>
+#include <pulsecore/tagstruct.h>
#include "module-card-restore-symdef.h"
@@ -69,12 +70,12 @@ struct userdata {
pa_database *database;
};
-#define ENTRY_VERSION 1
+#define ENTRY_VERSION 2
struct entry {
uint8_t version;
- char profile[PA_NAME_MAX];
-} PA_GCC_PACKED ;
+ char *profile;
+};
static void save_time_callback(pa_mainloop_api*a, pa_time_event* e, const struct timeval *t, void *userdata) {
struct userdata *u = userdata;
@@ -91,9 +92,24 @@ static void save_time_callback(pa_mainloop_api*a, pa_time_event* e, const struct
pa_log_info("Synced.");
}
-static struct entry* read_entry(struct userdata *u, const char *name) {
+static struct entry* entry_new(void) {
+ struct entry *r = pa_xnew0(struct entry, 1);
+ r->version = ENTRY_VERSION;
+ return r;
+}
+
+static void entry_free(struct entry* e) {
+ pa_assert(e);
+
+ pa_xfree(e->profile);
+ pa_xfree(e);
+}
+
+static struct entry* entry_read(struct userdata *u, const char *name) {
pa_datum key, data;
- struct entry *e;
+ struct entry *e = NULL;
+ pa_tagstruct *t = NULL;
+ const char* profile;
pa_assert(u);
pa_assert(name);
@@ -106,31 +122,63 @@ static struct entry* read_entry(struct userdata *u, const char *name) {
if (!pa_database_get(u->database, &key, &data))
goto fail;
- if (data.size != sizeof(struct entry)) {
- pa_log_debug("Database contains entry for card %s of wrong size %lu != %lu. Probably due to upgrade, ignoring.", name, (unsigned long) data.size, (unsigned long) sizeof(struct entry));
- goto fail;
- }
+ t = pa_tagstruct_new(data.data, data.size);
+ e = entry_new();
- e = (struct entry*) data.data;
+ if (pa_tagstruct_getu8(t, &e->version) < 0 ||
+ e->version > ENTRY_VERSION ||
+ pa_tagstruct_gets(t, &profile) < 0) {
- if (e->version != ENTRY_VERSION) {
- pa_log_debug("Version of database entry for card %s doesn't match our version. Probably due to upgrade, ignoring.", name);
goto fail;
}
- if (!memchr(e->profile, 0, sizeof(e->profile))) {
- pa_log_warn("Database contains entry for card %s with missing NUL byte in profile name", name);
+ e->profile = pa_xstrdup(profile);
+
+ if (!pa_tagstruct_eof(t))
goto fail;
- }
+
+ pa_tagstruct_free(t);
+ pa_datum_free(&data);
return e;
fail:
+ pa_log_debug("Database contains invalid data for key: %s (probably pre-v1.0 data)", name);
+
+ if (e)
+ entry_free(e);
+ if (t)
+ pa_tagstruct_free(t);
pa_datum_free(&data);
return NULL;
}
+static pa_bool_t entry_write(struct userdata *u, const char *name, const struct entry *e) {
+ pa_tagstruct *t;
+ pa_datum key, data;
+ pa_bool_t r;
+
+ pa_assert(u);
+ pa_assert(name);
+ pa_assert(e);
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu8(t, e->version);
+ pa_tagstruct_puts(t, e->profile);
+
+ key.data = (char *) name;
+ key.size = strlen(name);
+
+ data.data = (void*)pa_tagstruct_data(t, &data.size);
+
+ r = (pa_database_set(u->database, &key, &data, TRUE) == 0);
+
+ pa_tagstruct_free(t);
+
+ return r;
+}
+
static void trigger_save(struct userdata *u) {
if (u->save_time_event)
return;
@@ -140,8 +188,7 @@ static void trigger_save(struct userdata *u) {
static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
struct userdata *u = userdata;
- struct entry entry, *old;
- pa_datum key, data;
+ struct entry *entry, *old;
pa_card *card;
pa_assert(c);
@@ -151,8 +198,7 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
t != (PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_CHANGE))
return;
- pa_zero(entry);
- entry.version = ENTRY_VERSION;
+ entry = entry_new();
if (!(card = pa_idxset_get_by_index(c->cards, idx)))
return;
@@ -160,29 +206,25 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
if (!card->save_profile)
return;
- pa_strlcpy(entry.profile, card->active_profile ? card->active_profile->name : "", sizeof(entry.profile));
+ entry->profile = pa_xstrdup(card->active_profile ? card->active_profile->name : "");
- if ((old = read_entry(u, card->name))) {
+ if ((old = entry_read(u, card->name))) {
- if (strncmp(old->profile, entry.profile, sizeof(entry.profile)) == 0) {
- pa_xfree(old);
+ if (pa_streq(old->profile, entry->profile)) {
+ entry_free(old);
+ entry_free(entry);
return;
}
- pa_xfree(old);
+ entry_free(old);
}
- key.data = card->name;
- key.size = strlen(card->name);
-
- data.data = &entry;
- data.size = sizeof(entry);
-
pa_log_info("Storing profile for card %s.", card->name);
- pa_database_set(u->database, &key, &data, TRUE);
+ if (entry_write(u, card->name, entry))
+ trigger_save(u);
- trigger_save(u);
+ entry_free(entry);
}
static pa_hook_result_t card_new_hook_callback(pa_core *c, pa_card_new_data *new_data, struct userdata *u) {
@@ -190,7 +232,7 @@ static pa_hook_result_t card_new_hook_callback(pa_core *c, pa_card_new_data *new
pa_assert(new_data);
- if ((e = read_entry(u, new_data->name)) && e->profile[0]) {
+ if ((e = entry_read(u, new_data->name)) && e->profile[0]) {
if (!new_data->active_profile) {
pa_log_info("Restoring profile for card %s.", new_data->name);
@@ -199,7 +241,7 @@ static pa_hook_result_t card_new_hook_callback(pa_core *c, pa_card_new_data *new
} else
pa_log_debug("Not restoring profile for card %s, because already set.", new_data->name);
- pa_xfree(e);
+ entry_free(e);
}
return PA_HOOK_OK;
diff --git a/src/modules/module-device-manager.c b/src/modules/module-device-manager.c
index 272fad2b..6bac7c03 100644
--- a/src/modules/module-device-manager.c
+++ b/src/modules/module-device-manager.c
@@ -51,6 +51,7 @@
#include <pulsecore/pstream.h>
#include <pulsecore/pstream-util.h>
#include <pulsecore/database.h>
+#include <pulsecore/tagstruct.h>
#include "module-device-manager-symdef.h"
@@ -84,6 +85,7 @@ enum {
ROLE_ANIMATION,
ROLE_PRODUCTION,
ROLE_A11Y,
+ ROLE_MAX
};
typedef uint32_t role_indexes_t[NUM_ROLES];
@@ -128,15 +130,15 @@ struct userdata {
role_indexes_t preferred_sources;
};
-#define ENTRY_VERSION 1
+#define ENTRY_VERSION 2
struct entry {
uint8_t version;
- char description[PA_NAME_MAX];
+ char *description;
pa_bool_t user_set_description;
- char icon[PA_NAME_MAX];
+ char *icon;
role_indexes_t priority;
-} PA_GCC_PACKED;
+};
enum {
SUBCOMMAND_TEST,
@@ -150,9 +152,24 @@ enum {
};
-static struct entry* read_entry(struct userdata *u, const char *name) {
+static struct entry* entry_new(void) {
+ struct entry *r = pa_xnew0(struct entry, 1);
+ r->version = ENTRY_VERSION;
+ return r;
+}
+
+static void entry_free(struct entry* e) {
+ pa_assert(e);
+
+ pa_xfree(e->description);
+ pa_xfree(e->icon);
+}
+
+static struct entry* entry_read(struct userdata *u, const char *name) {
pa_datum key, data;
- struct entry *e;
+ struct entry *e = NULL;
+ pa_tagstruct *t = NULL;
+ const char *description, *icon;
pa_assert(u);
pa_assert(name);
@@ -165,36 +182,74 @@ static struct entry* read_entry(struct userdata *u, const char *name) {
if (!pa_database_get(u->database, &key, &data))
goto fail;
- if (data.size != sizeof(struct entry)) {
- pa_log_debug("Database contains entry for device %s of wrong size %lu != %lu. Probably due to upgrade, ignoring.", name, (unsigned long) data.size, (unsigned long) sizeof(struct entry));
- goto fail;
- }
+ t = pa_tagstruct_new(data.data, data.size);
+ e = entry_new();
- e = (struct entry*) data.data;
+ if (pa_tagstruct_getu8(t, &e->version) < 0 ||
+ e->version > ENTRY_VERSION ||
+ pa_tagstruct_gets(t, &description) < 0 ||
+ pa_tagstruct_get_boolean(t, &e->user_set_description) < 0 ||
+ pa_tagstruct_gets(t, &icon) < 0) {
- if (e->version != ENTRY_VERSION) {
- pa_log_debug("Version of database entry for device %s doesn't match our version. Probably due to upgrade, ignoring.", name);
goto fail;
}
- if (!memchr(e->description, 0, sizeof(e->description))) {
- pa_log_warn("Database contains entry for device %s with missing NUL byte in description", name);
- goto fail;
+ e->description = pa_xstrdup(description);
+ e->icon = pa_xstrdup(icon);
+
+ for (uint8_t i=0; i<ROLE_MAX; ++i) {
+ if (pa_tagstruct_getu32(t, &e->priority[i]) < 0)
+ goto fail;
}
- if (!memchr(e->icon, 0, sizeof(e->icon))) {
- pa_log_warn("Database contains entry for device %s with missing NUL byte in icon", name);
+ if (!pa_tagstruct_eof(t))
goto fail;
- }
+
+ pa_tagstruct_free(t);
+ pa_datum_free(&data);
return e;
fail:
+ pa_log_debug("Database contains invalid data for key: %s (probably pre-v1.0 data)", name);
+ if (e)
+ entry_free(e);
+ if (t)
+ pa_tagstruct_free(t);
pa_datum_free(&data);
return NULL;
}
+static pa_bool_t entry_write(struct userdata *u, const char *name, const struct entry *e) {
+ pa_tagstruct *t;
+ pa_datum key, data;
+ pa_bool_t r;
+
+ pa_assert(u);
+ pa_assert(name);
+ pa_assert(e);
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu8(t, e->version);
+ pa_tagstruct_puts(t, e->description);
+ pa_tagstruct_put_boolean(t, e->user_set_description);
+ pa_tagstruct_puts(t, e->icon);
+ for (uint8_t i=0; i<ROLE_MAX; ++i)
+ pa_tagstruct_putu32(t, e->priority[i]);
+
+ key.data = (char *) name;
+ key.size = strlen(name);
+
+ data.data = (void*)pa_tagstruct_data(t, &data.size);
+
+ r = (pa_database_set(u->database, &key, &data, TRUE) == 0);
+
+ pa_tagstruct_free(t);
+
+ return r;
+}
+
#ifdef DUMP_DATABASE
static void dump_database_helper(struct userdata *u, uint32_t role_index, const char* human, pa_bool_t sink_mode) {
pa_assert(u);
@@ -233,14 +288,14 @@ static void dump_database(struct userdata *u) {
name = pa_xstrndup(key.data, key.size);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
pa_log_debug(" Got entry: %s", name);
pa_log_debug(" Description: %s", e->description);
pa_log_debug(" Priorities: None: %3u, Video: %3u, Music: %3u, Game: %3u, Event: %3u",
e->priority[ROLE_NONE], e->priority[ROLE_VIDEO], e->priority[ROLE_MUSIC], e->priority[ROLE_GAME], e->priority[ROLE_EVENT]);
pa_log_debug(" Phone: %3u, Anim: %3u, Prodtn: %3u, A11y: %3u",
e->priority[ROLE_PHONE], e->priority[ROLE_ANIMATION], e->priority[ROLE_PRODUCTION], e->priority[ROLE_A11Y]);
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -334,9 +389,9 @@ static pa_bool_t entries_equal(const struct entry *a, const struct entry *b) {
pa_assert(a);
pa_assert(b);
- if (strncmp(a->description, b->description, sizeof(a->description))
+ if (!pa_streq(a->description, b->description)
|| a->user_set_description != b->user_set_description
- || strncmp(a->icon, b->icon, sizeof(a->icon)))
+ || !pa_streq(a->icon, b->icon))
return FALSE;
for (int i=0; i < NUM_ROLES; ++i)
@@ -364,9 +419,11 @@ static inline struct entry *load_or_initialize_entry(struct userdata *u, struct
pa_assert(name);
pa_assert(prefix);
- if ((old = read_entry(u, name)))
+ if ((old = entry_read(u, name))) {
*entry = *old;
- else {
+ entry->description = pa_xstrdup(old->description);
+ entry->icon = pa_xstrdup(old->icon);
+ } else {
/* This is a new device, so make sure we write it's priority list correctly */
role_indexes_t max_priority;
pa_datum key;
@@ -387,12 +444,12 @@ static inline struct entry *load_or_initialize_entry(struct userdata *u, struct
name2 = pa_xstrndup(key.data, key.size);
- if ((e = read_entry(u, name2))) {
+ if ((e = entry_read(u, name2))) {
for (uint32_t i = 0; i < NUM_ROLES; ++i) {
max_priority[i] = PA_MAX(max_priority[i], e->priority[i]);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name2);
@@ -456,7 +513,7 @@ static void update_highest_priority_device_indexes(struct userdata *u, const cha
name = pa_xstrndup(key.data, key.size);
device_name = get_name(name, prefix);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
for (uint32_t i = 0; i < NUM_ROLES; ++i) {
if (!highest_priority_available[i] || e->priority[i] < highest_priority_available[i]) {
/* We've found a device with a higher priority than that we've currently got,
@@ -497,7 +554,7 @@ static void update_highest_priority_device_indexes(struct userdata *u, const cha
}
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -631,9 +688,8 @@ static pa_hook_result_t route_source_outputs(struct userdata *u, pa_source* igno
static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
struct userdata *u = userdata;
- struct entry entry, *old = NULL;
+ struct entry *entry, *old = NULL;
char *name = NULL;
- pa_datum key, data;
pa_assert(c);
pa_assert(u);
@@ -649,8 +705,7 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
t != (PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE))
return;
- pa_zero(entry);
- entry.version = ENTRY_VERSION;
+ entry = entry_new();
if ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK_INPUT) {
pa_sink_input *si;
@@ -684,19 +739,21 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
name = pa_sprintf_malloc("sink:%s", sink->name);
- old = load_or_initialize_entry(u, &entry, name, "sink:");
+ old = load_or_initialize_entry(u, entry, name, "sink:");
- if (!entry.user_set_description)
- pa_strlcpy(entry.description, pa_strnull(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION)), sizeof(entry.description));
- else if (strncmp(entry.description, pa_strnull(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION)), sizeof(entry.description)) != 0) {
+ if (!entry->user_set_description) {
+ pa_xfree(entry->description);
+ entry->description = pa_xstrdup(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION));
+ } else if (!pa_streq(entry->description, pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION))) {
/* Warning: If two modules fight over the description, this could cause an infinite loop.
by changing the description here, we retrigger this subscription callback. The only thing stopping us from
looping is the fact that the string comparison will fail on the second iteration. If another module tries to manage
the description, this will fail... */
- pa_sink_set_description(sink, entry.description);
+ pa_sink_set_description(sink, entry->description);
}
- pa_strlcpy(entry.icon, pa_strnull(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_ICON_NAME)), sizeof(entry.icon));
+ pa_xfree(entry->icon);
+ entry->icon = pa_xstrdup(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_ICON_NAME));
} else if ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE) {
pa_source *source;
@@ -711,48 +768,46 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
name = pa_sprintf_malloc("source:%s", source->name);
- old = load_or_initialize_entry(u, &entry, name, "source:");
+ old = load_or_initialize_entry(u, entry, name, "source:");
- if (!entry.user_set_description)
- pa_strlcpy(entry.description, pa_strnull(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION)), sizeof(entry.description));
- else if (strncmp(entry.description, pa_strnull(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION)), sizeof(entry.description)) != 0) {
+ if (!entry->user_set_description) {
+ pa_xfree(entry->description);
+ entry->description = pa_xstrdup(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION));
+ } else if (!pa_streq(entry->description, pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION))) {
/* Warning: If two modules fight over the description, this could cause an infinite loop.
by changing the description here, we retrigger this subscription callback. The only thing stopping us from
looping is the fact that the string comparison will fail on the second iteration. If another module tries to manage
the description, this will fail... */
- pa_source_set_description(source, entry.description);
+ pa_source_set_description(source, entry->description);
}
- pa_strlcpy(entry.icon, pa_strnull(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_ICON_NAME)), sizeof(entry.icon));
+ pa_xfree(entry->icon);
+ entry->icon = pa_xstrdup(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_ICON_NAME));
}
pa_assert(name);
if (old) {
- if (entries_equal(old, &entry)) {
- pa_xfree(old);
+ if (entries_equal(old, entry)) {
+ entry_free(old);
+ entry_free(entry);
pa_xfree(name);
return;
}
- pa_xfree(old);
+ entry_free(old);
}
- key.data = name;
- key.size = strlen(name);
-
- data.data = &entry;
- data.size = sizeof(entry);
-
pa_log_info("Storing device %s.", name);
- if (pa_database_set(u->database, &key, &data, TRUE) == 0)
+ if (entry_write(u, name, entry))
trigger_save(u);
else
pa_log_warn("Could not save device");;
+ entry_free(entry);
pa_xfree(name);
}
@@ -766,13 +821,13 @@ static pa_hook_result_t sink_new_hook_callback(pa_core *c, pa_sink_new_data *new
name = pa_sprintf_malloc("sink:%s", new_data->name);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (e->user_set_description && strncmp(e->description, pa_proplist_gets(new_data->proplist, PA_PROP_DEVICE_DESCRIPTION), sizeof(e->description)) != 0) {
pa_log_info("Restoring description for sink %s.", new_data->name);
pa_proplist_sets(new_data->proplist, PA_PROP_DEVICE_DESCRIPTION, e->description);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -790,14 +845,14 @@ static pa_hook_result_t source_new_hook_callback(pa_core *c, pa_source_new_data
name = pa_sprintf_malloc("source:%s", new_data->name);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (e->user_set_description && strncmp(e->description, pa_proplist_gets(new_data->proplist, PA_PROP_DEVICE_DESCRIPTION), sizeof(e->description)) != 0) {
/* NB, We cannot detect if we are a monitor here... this could mess things up a bit... */
pa_log_info("Restoring description for source %s.", new_data->name);
pa_proplist_sets(new_data->proplist, PA_PROP_DEVICE_DESCRIPTION, e->description);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1029,7 +1084,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
name = pa_xstrndup(key.data, key.size);
pa_datum_free(&key);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
uint32_t idx;
char *device_name;
uint32_t found_index = PA_INVALID_INDEX;
@@ -1065,7 +1120,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
pa_tagstruct_putu32(reply, e->priority[i]);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1088,19 +1143,12 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
if (!device || !*device || !description || !*description)
goto fail;
- if ((e = read_entry(u, device))) {
- pa_datum key, data;
-
- pa_strlcpy(e->description, description, sizeof(e->description));
+ if ((e = entry_read(u, device))) {
+ pa_xfree(e->description);
+ e->description = pa_xstrdup(description);
e->user_set_description = TRUE;
- key.data = (char *) device;
- key.size = strlen(device);
-
- data.data = e;
- data.size = sizeof(*e);
-
- if (pa_database_set(u->database, &key, &data, TRUE) == 0) {
+ if (entry_write(u, (char *)device, e)) {
apply_entry(u, device, e);
trigger_save(u);
@@ -1108,7 +1156,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
else
pa_log_warn("Could not save device");
- pa_xfree(e);
+ entry_free(e);
}
else
pa_log_warn("Could not rename device %s, no entry in database", device);
@@ -1157,7 +1205,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
const char *role;
struct entry *e;
uint32_t role_index, n_devices;
- pa_datum key, data;
+ pa_datum key;
pa_bool_t done, sink_mode = TRUE;
struct device_t { uint32_t prio; char *device; };
struct device_t *device;
@@ -1193,7 +1241,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
}
/* Ensure this is a valid entry */
- if (!(e = read_entry(u, s))) {
+ if (!(e = entry_read(u, s))) {
while ((device = pa_hashmap_steal_first(h))) {
pa_xfree(device->device);
pa_xfree(device);
@@ -1203,7 +1251,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
pa_log_error("Client specified an unknown device in it's reorder list.");
goto fail;
}
- pa_xfree(e);
+ entry_free(e);
if (first) {
first = FALSE;
@@ -1255,7 +1303,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
/* Add the device to our hashmap. If it's alredy in it, free it now and carry on */
if (pa_hashmap_put(h, device->device, device) == 0
- && (e = read_entry(u, device->device))) {
+ && (e = entry_read(u, device->device))) {
/* We add offset on to the existing priorirty so that when we order, the
existing entries are always lower priority than the new ones. */
device->prio = (offset + e->priority[role_index]);
@@ -1310,19 +1358,13 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
idx = 1;
first = TRUE;
for (i = 0; i < n_devices; ++i) {
- if ((e = read_entry(u, devices[i]->device))) {
+ if ((e = entry_read(u, devices[i]->device))) {
if (e->priority[role_index] == idx)
idx++;
else {
e->priority[role_index] = idx;
- key.data = (char *) devices[i]->device;
- key.size = strlen(devices[i]->device);
-
- data.data = e;
- data.size = sizeof(*e);
-
- if (pa_database_set(u->database, &key, &data, TRUE) == 0) {
+ if (entry_write(u, (char *) devices[i]->device, e)) {
first = FALSE;
idx++;
}
diff --git a/src/modules/module-device-restore.c b/src/modules/module-device-restore.c
index 4c31a985..4ef8a24b 100644
--- a/src/modules/module-device-restore.c
+++ b/src/modules/module-device-restore.c
@@ -47,6 +47,7 @@
#include <pulsecore/source-output.h>
#include <pulsecore/namereg.h>
#include <pulsecore/database.h>
+#include <pulsecore/tagstruct.h>
#include "module-device-restore-symdef.h"
@@ -85,16 +86,16 @@ struct userdata {
pa_bool_t restore_port:1;
};
-#define ENTRY_VERSION 2
+#define ENTRY_VERSION 3
struct entry {
uint8_t version;
- pa_bool_t muted_valid:1, volume_valid:1, port_valid:1;
- pa_bool_t muted:1;
+ pa_bool_t muted_valid, volume_valid, port_valid;
+ pa_bool_t muted;
pa_channel_map channel_map;
pa_cvolume volume;
- char port[PA_NAME_MAX];
-} PA_GCC_PACKED;
+ char *port;
+};
static void save_time_callback(pa_mainloop_api*a, pa_time_event* e, const struct timeval *t, void *userdata) {
struct userdata *u = userdata;
@@ -111,9 +112,24 @@ static void save_time_callback(pa_mainloop_api*a, pa_time_event* e, const struct
pa_log_info("Synced.");
}
-static struct entry* read_entry(struct userdata *u, const char *name) {
+static struct entry* entry_new(void) {
+ struct entry *r = pa_xnew0(struct entry, 1);
+ r->version = ENTRY_VERSION;
+ return r;
+}
+
+static void entry_free(struct entry* e) {
+ pa_assert(e);
+
+ pa_xfree(e->port);
+ pa_xfree(e);
+}
+
+static struct entry* entry_read(struct userdata *u, const char *name) {
pa_datum key, data;
- struct entry *e;
+ struct entry *e = NULL;
+ pa_tagstruct *t = NULL;
+ const char* port;
pa_assert(u);
pa_assert(name);
@@ -126,22 +142,26 @@ static struct entry* read_entry(struct userdata *u, const char *name) {
if (!pa_database_get(u->database, &key, &data))
goto fail;
- if (data.size != sizeof(struct entry)) {
- pa_log_debug("Database contains entry for device %s of wrong size %lu != %lu. Probably due to upgrade, ignoring.", name, (unsigned long) data.size, (unsigned long) sizeof(struct entry));
- goto fail;
- }
+ t = pa_tagstruct_new(data.data, data.size);
+ e = entry_new();
- e = (struct entry*) data.data;
+ if (pa_tagstruct_getu8(t, &e->version) < 0 ||
+ e->version > ENTRY_VERSION ||
+ pa_tagstruct_get_boolean(t, &e->volume_valid) < 0 ||
+ pa_tagstruct_get_channel_map(t, &e->channel_map) < 0 ||
+ pa_tagstruct_get_cvolume(t, &e->volume) < 0 ||
+ pa_tagstruct_get_boolean(t, &e->muted_valid) < 0 ||
+ pa_tagstruct_get_boolean(t, &e->muted) < 0 ||
+ pa_tagstruct_get_boolean(t, &e->port_valid) < 0 ||
+ pa_tagstruct_gets(t, &port) < 0) {
- if (e->version != ENTRY_VERSION) {
- pa_log_debug("Version of database entry for device %s doesn't match our version. Probably due to upgrade, ignoring.", name);
goto fail;
}
- if (!memchr(e->port, 0, sizeof(e->port))) {
- pa_log_warn("Database contains entry for device %s with missing NUL byte in port name", name);
+ e->port = pa_xstrdup(port);
+
+ if (!pa_tagstruct_eof(t))
goto fail;
- }
if (e->volume_valid && !pa_channel_map_valid(&e->channel_map)) {
pa_log_warn("Invalid channel map stored in database for device %s", name);
@@ -153,14 +173,64 @@ static struct entry* read_entry(struct userdata *u, const char *name) {
goto fail;
}
+ pa_tagstruct_free(t);
+ pa_datum_free(&data);
+
return e;
fail:
+ pa_log_debug("Database contains invalid data for key: %s (probably pre-v1.0 data)", name);
+
+ if (e)
+ entry_free(e);
+ if (t)
+ pa_tagstruct_free(t);
pa_datum_free(&data);
return NULL;
}
+static pa_bool_t entry_write(struct userdata *u, const char *name, const struct entry *e) {
+ pa_tagstruct *t;
+ pa_datum key, data;
+ pa_bool_t r;
+
+ pa_assert(u);
+ pa_assert(name);
+ pa_assert(e);
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu8(t, e->version);
+ pa_tagstruct_put_boolean(t, e->volume_valid);
+ pa_tagstruct_put_channel_map(t, &e->channel_map);
+ pa_tagstruct_put_cvolume(t, &e->volume);
+ pa_tagstruct_put_boolean(t, e->muted_valid);
+ pa_tagstruct_put_boolean(t, e->muted);
+ pa_tagstruct_put_boolean(t, e->port_valid);
+ pa_tagstruct_puts(t, e->port);
+
+ key.data = (char *) name;
+ key.size = strlen(name);
+
+ data.data = (void*)pa_tagstruct_data(t, &data.size);
+
+ r = (pa_database_set(u->database, &key, &data, TRUE) == 0);
+
+ pa_tagstruct_free(t);
+
+ return r;
+}
+
+static struct entry* entry_copy(const struct entry *e) {
+ struct entry* r;
+
+ pa_assert(e);
+ r = entry_new();
+ *r = *e;
+ r->port = pa_xstrdup(e->port);
+ return r;
+}
+
static void trigger_save(struct userdata *u) {
if (u->save_time_event)
return;
@@ -172,7 +242,7 @@ static pa_bool_t entries_equal(const struct entry *a, const struct entry *b) {
pa_cvolume t;
if (a->port_valid != b->port_valid ||
- (a->port_valid && strncmp(a->port, b->port, sizeof(a->port))))
+ (a->port_valid && !pa_streq(a->port, b->port)))
return FALSE;
if (a->muted_valid != b->muted_valid ||
@@ -189,9 +259,8 @@ static pa_bool_t entries_equal(const struct entry *a, const struct entry *b) {
static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
struct userdata *u = userdata;
- struct entry entry, *old;
+ struct entry *entry, *old;
char *name;
- pa_datum key, data;
pa_assert(c);
pa_assert(u);
@@ -202,9 +271,6 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
t != (PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE))
return;
- pa_zero(entry);
- entry.version = ENTRY_VERSION;
-
if ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK) {
pa_sink *sink;
@@ -213,23 +279,26 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
name = pa_sprintf_malloc("sink:%s", sink->name);
- if ((old = read_entry(u, name)))
- entry = *old;
+ if ((old = entry_read(u, name)))
+ entry = entry_copy(old);
+ else
+ entry = entry_new();
if (sink->save_volume) {
- entry.channel_map = sink->channel_map;
- entry.volume = *pa_sink_get_volume(sink, FALSE);
- entry.volume_valid = TRUE;
+ entry->channel_map = sink->channel_map;
+ entry->volume = *pa_sink_get_volume(sink, FALSE);
+ entry->volume_valid = TRUE;
}
if (sink->save_muted) {
- entry.muted = pa_sink_get_mute(sink, FALSE);
- entry.muted_valid = TRUE;
+ entry->muted = pa_sink_get_mute(sink, FALSE);
+ entry->muted_valid = TRUE;
}
if (sink->save_port) {
- pa_strlcpy(entry.port, sink->active_port ? sink->active_port->name : "", sizeof(entry.port));
- entry.port_valid = TRUE;
+ pa_xfree(entry->port);
+ entry->port = pa_xstrdup(sink->active_port ? sink->active_port->name : "");
+ entry->port_valid = TRUE;
}
} else {
@@ -242,50 +311,50 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
name = pa_sprintf_malloc("source:%s", source->name);
- if ((old = read_entry(u, name)))
- entry = *old;
+ if ((old = entry_read(u, name)))
+ entry = entry_copy(old);
+ else
+ entry = entry_new();
if (source->save_volume) {
- entry.channel_map = source->channel_map;
- entry.volume = *pa_source_get_volume(source, FALSE);
- entry.volume_valid = TRUE;
+ entry->channel_map = source->channel_map;
+ entry->volume = *pa_source_get_volume(source, FALSE);
+ entry->volume_valid = TRUE;
}
if (source->save_muted) {
- entry.muted = pa_source_get_mute(source, FALSE);
- entry.muted_valid = TRUE;
+ entry->muted = pa_source_get_mute(source, FALSE);
+ entry->muted_valid = TRUE;
}
if (source->save_port) {
- pa_strlcpy(entry.port, source->active_port ? source->active_port->name : "", sizeof(entry.port));
- entry.port_valid = TRUE;
+ pa_xfree(entry->port);
+ entry->port = pa_xstrdup(source->active_port ? source->active_port->name : "");
+ entry->port_valid = TRUE;
}
}
+ pa_assert(entry);
+
if (old) {
- if (entries_equal(old, &entry)) {
- pa_xfree(old);
+ if (entries_equal(old, entry)) {
+ entry_free(old);
+ entry_free(entry);
pa_xfree(name);
return;
}
- pa_xfree(old);
+ entry_free(old);
}
- key.data = name;
- key.size = strlen(name);
-
- data.data = &entry;
- data.size = sizeof(entry);
-
pa_log_info("Storing volume/mute/port for device %s.", name);
- pa_database_set(u->database, &key, &data, TRUE);
+ if (entry_write(u, name, entry))
+ trigger_save(u);
+ entry_free(entry);
pa_xfree(name);
-
- trigger_save(u);
}
static pa_hook_result_t sink_new_hook_callback(pa_core *c, pa_sink_new_data *new_data, struct userdata *u) {
@@ -299,7 +368,7 @@ static pa_hook_result_t sink_new_hook_callback(pa_core *c, pa_sink_new_data *new
name = pa_sprintf_malloc("sink:%s", new_data->name);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (e->port_valid) {
if (!new_data->active_port) {
@@ -310,7 +379,7 @@ static pa_hook_result_t sink_new_hook_callback(pa_core *c, pa_sink_new_data *new
pa_log_debug("Not restoring port for sink %s, because already set.", name);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -329,7 +398,7 @@ static pa_hook_result_t sink_fixate_hook_callback(pa_core *c, pa_sink_new_data *
name = pa_sprintf_malloc("sink:%s", new_data->name);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (u->restore_volume && e->volume_valid) {
@@ -357,7 +426,7 @@ static pa_hook_result_t sink_fixate_hook_callback(pa_core *c, pa_sink_new_data *
pa_log_debug("Not restoring mute state for sink %s, because already set.", new_data->name);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -376,7 +445,7 @@ static pa_hook_result_t source_new_hook_callback(pa_core *c, pa_source_new_data
name = pa_sprintf_malloc("source:%s", new_data->name);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (e->port_valid) {
if (!new_data->active_port) {
@@ -387,7 +456,7 @@ static pa_hook_result_t source_new_hook_callback(pa_core *c, pa_source_new_data
pa_log_debug("Not restoring port for source %s, because already set.", name);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -406,7 +475,7 @@ static pa_hook_result_t source_fixate_hook_callback(pa_core *c, pa_source_new_da
name = pa_sprintf_malloc("source:%s", new_data->name);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (u->restore_volume && e->volume_valid) {
@@ -434,7 +503,7 @@ static pa_hook_result_t source_fixate_hook_callback(pa_core *c, pa_source_new_da
pa_log_debug("Not restoring mute state for source %s, because already set.", new_data->name);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
diff --git a/src/modules/module-stream-restore.c b/src/modules/module-stream-restore.c
index 617de5bb..e6908389 100644
--- a/src/modules/module-stream-restore.c
+++ b/src/modules/module-stream-restore.c
@@ -51,6 +51,7 @@
#include <pulsecore/pstream.h>
#include <pulsecore/pstream-util.h>
#include <pulsecore/database.h>
+#include <pulsecore/tagstruct.h>
#ifdef HAVE_DBUS
#include <pulsecore/dbus-util.h>
@@ -114,17 +115,17 @@ struct userdata {
#endif
};
-#define ENTRY_VERSION 3
+#define ENTRY_VERSION 4
struct entry {
uint8_t version;
- pa_bool_t muted_valid:1, volume_valid:1, device_valid:1, card_valid:1;
- pa_bool_t muted:1;
+ pa_bool_t muted_valid, volume_valid, device_valid, card_valid;
+ pa_bool_t muted;
pa_channel_map channel_map;
pa_cvolume volume;
- char device[PA_NAME_MAX];
- char card[PA_NAME_MAX];
-} PA_GCC_PACKED;
+ char* device;
+ char* card;
+};
enum {
SUBCOMMAND_TEST,
@@ -135,8 +136,13 @@ enum {
SUBCOMMAND_EVENT
};
-static struct entry *read_entry(struct userdata *u, const char *name);
-static void apply_entry(struct userdata *u, const char *name, struct entry *e);
+
+static struct entry* entry_new(void);
+static void entry_free(struct entry *e);
+static struct entry *entry_read(struct userdata *u, const char *name);
+static pa_bool_t entry_write(struct userdata *u, const char *name, const struct entry *e, pa_bool_t replace);
+static struct entry* entry_copy(const struct entry *e);
+static void entry_apply(struct userdata *u, const char *name, struct entry *e);
static void trigger_save(struct userdata *u);
#ifdef HAVE_DBUS
@@ -590,8 +596,6 @@ static void handle_add_entry(DBusConnection *conn, DBusMessage *msg, void *userd
pa_cvolume vol;
dbus_bool_t muted = FALSE;
dbus_bool_t apply_immediately = FALSE;
- pa_datum key;
- pa_datum value;
struct dbus_entry *dbus_entry = NULL;
struct entry *e = NULL;
@@ -624,7 +628,7 @@ static void handle_add_entry(DBusConnection *conn, DBusMessage *msg, void *userd
pa_bool_t volume_updated = FALSE;
pa_bool_t device_updated = FALSE;
- pa_assert_se(e = read_entry(u, name));
+ pa_assert_se(e = entry_read(u, name));
mute_updated = e->muted != muted;
e->muted = muted;
e->muted_valid = TRUE;
@@ -635,7 +639,8 @@ static void handle_add_entry(DBusConnection *conn, DBusMessage *msg, void *userd
e->volume_valid = !!map.channels;
device_updated = (e->device_valid != !!device[0]) || !pa_streq(e->device, device);
- pa_strlcpy(e->device, device, sizeof(e->device));
+ pa_xfree(e->device);
+ e->device = pa_xstrdup(device);
e->device_valid = !!device[0];
if (mute_updated)
@@ -649,34 +654,28 @@ static void handle_add_entry(DBusConnection *conn, DBusMessage *msg, void *userd
dbus_entry = dbus_entry_new(u, name);
pa_assert_se(pa_hashmap_put(u->dbus_entries, dbus_entry->entry_name, dbus_entry) == 0);
- e = pa_xnew0(struct entry, 1);
- e->version = ENTRY_VERSION;
+ e = entry_new();
e->muted_valid = TRUE;
e->volume_valid = !!map.channels;
e->device_valid = !!device[0];
e->muted = muted;
e->volume = vol;
e->channel_map = map;
- pa_strlcpy(e->device, device, sizeof(e->device));
+ e->device = pa_xstrdup(device);
send_new_entry_signal(dbus_entry);
}
- key.data = (char *) name;
- key.size = strlen(name);
+ pa_assert_se(entry_write(u, name, e, TRUE));
- value.data = e;
- value.size = sizeof(struct entry);
-
- pa_assert_se(pa_database_set(u->database, &key, &value, TRUE) == 0);
if (apply_immediately)
- apply_entry(u, name, e);
+ entry_apply(u, name, e);
trigger_save(u);
pa_dbus_send_empty_reply(conn, msg);
- pa_xfree(e);
+ entry_free(e);
}
static void handle_get_entry_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
@@ -727,13 +726,13 @@ static void handle_entry_get_device(DBusConnection *conn, DBusMessage *msg, void
pa_assert(msg);
pa_assert(de);
- pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+ pa_assert_se(e = entry_read(de->userdata, de->entry_name));
device = e->device_valid ? e->device : "";
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &device);
- pa_xfree(e);
+ entry_free(e);
}
static void handle_entry_set_device(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
@@ -749,31 +748,25 @@ static void handle_entry_set_device(DBusConnection *conn, DBusMessage *msg, DBus
dbus_message_iter_get_basic(iter, &device);
- pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+ pa_assert_se(e = entry_read(de->userdata, de->entry_name));
updated = (e->device_valid != !!device[0]) || !pa_streq(e->device, device);
if (updated) {
- pa_datum key;
- pa_datum value;
-
- pa_strlcpy(e->device, device, sizeof(e->device));
+ pa_xfree(e->device);
+ e->device = pa_xstrdup(device);
e->device_valid = !!device[0];
- key.data = de->entry_name;
- key.size = strlen(de->entry_name);
- value.data = e;
- value.size = sizeof(struct entry);
- pa_assert_se(pa_database_set(de->userdata->database, &key, &value, TRUE) == 0);
+ pa_assert_se(entry_write(de->userdata, de->entry_name, e, TRUE));
- apply_entry(de->userdata, de->entry_name, e);
+ entry_apply(de->userdata, de->entry_name, e);
send_device_updated_signal(de, e);
trigger_save(de->userdata);
}
pa_dbus_send_empty_reply(conn, msg);
- pa_xfree(e);
+ entry_free(e);
}
static void handle_entry_get_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
@@ -786,7 +779,7 @@ static void handle_entry_get_volume(DBusConnection *conn, DBusMessage *msg, void
pa_assert(msg);
pa_assert(de);
- pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+ pa_assert_se(e = entry_read(de->userdata, de->entry_name));
pa_assert_se(reply = dbus_message_new_method_return(msg));
@@ -795,7 +788,7 @@ static void handle_entry_get_volume(DBusConnection *conn, DBusMessage *msg, void
pa_assert_se(dbus_connection_send(conn, reply, NULL));
- pa_xfree(e);
+ entry_free(e);
}
static void handle_entry_set_volume(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
@@ -813,32 +806,25 @@ static void handle_entry_set_volume(DBusConnection *conn, DBusMessage *msg, DBus
if (get_volume_arg(conn, msg, iter, &map, &vol) < 0)
return;
- pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+ pa_assert_se(e = entry_read(de->userdata, de->entry_name));
updated = (e->volume_valid != !!map.channels) || !pa_cvolume_equal(&e->volume, &vol);
if (updated) {
- pa_datum key;
- pa_datum value;
-
e->volume = vol;
e->channel_map = map;
e->volume_valid = !!map.channels;
- key.data = de->entry_name;
- key.size = strlen(de->entry_name);
- value.data = e;
- value.size = sizeof(struct entry);
- pa_assert_se(pa_database_set(de->userdata->database, &key, &value, TRUE) == 0);
+ pa_assert_se(entry_write(de->userdata, de->entry_name, e, TRUE));
- apply_entry(de->userdata, de->entry_name, e);
+ entry_apply(de->userdata, de->entry_name, e);
send_volume_updated_signal(de, e);
trigger_save(de->userdata);
}
pa_dbus_send_empty_reply(conn, msg);
- pa_xfree(e);
+ entry_free(e);
}
static void handle_entry_get_mute(DBusConnection *conn, DBusMessage *msg, void *userdata) {
@@ -850,13 +836,13 @@ static void handle_entry_get_mute(DBusConnection *conn, DBusMessage *msg, void *
pa_assert(msg);
pa_assert(de);
- pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+ pa_assert_se(e = entry_read(de->userdata, de->entry_name));
mute = e->muted_valid ? e->muted : FALSE;
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &mute);
- pa_xfree(e);
+ entry_free(e);
}
static void handle_entry_set_mute(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
@@ -872,31 +858,24 @@ static void handle_entry_set_mute(DBusConnection *conn, DBusMessage *msg, DBusMe
dbus_message_iter_get_basic(iter, &mute);
- pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+ pa_assert_se(e = entry_read(de->userdata, de->entry_name));
updated = !e->muted_valid || e->muted != mute;
if (updated) {
- pa_datum key;
- pa_datum value;
-
e->muted = mute;
e->muted_valid = TRUE;
- key.data = de->entry_name;
- key.size = strlen(de->entry_name);
- value.data = e;
- value.size = sizeof(struct entry);
- pa_assert_se(pa_database_set(de->userdata->database, &key, &value, TRUE) == 0);
+ pa_assert_se(entry_write(de->userdata, de->entry_name, e, TRUE));
- apply_entry(de->userdata, de->entry_name, e);
+ entry_apply(de->userdata, de->entry_name, e);
send_mute_updated_signal(de, e);
trigger_save(de->userdata);
}
pa_dbus_send_empty_reply(conn, msg);
- pa_xfree(e);
+ entry_free(e);
}
static void handle_entry_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
@@ -913,7 +892,7 @@ static void handle_entry_get_all(DBusConnection *conn, DBusMessage *msg, void *u
pa_assert(msg);
pa_assert(de);
- pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+ pa_assert_se(e = entry_read(de->userdata, de->entry_name));
device = e->device_valid ? e->device : "";
mute = e->muted_valid ? e->muted : FALSE;
@@ -942,7 +921,7 @@ static void handle_entry_get_all(DBusConnection *conn, DBusMessage *msg, void *u
dbus_message_unref(reply);
- pa_xfree(e);
+ entry_free(e);
}
static void handle_entry_remove(DBusConnection *conn, DBusMessage *msg, void *userdata) {
@@ -1009,9 +988,25 @@ static char *get_name(pa_proplist *p, const char *prefix) {
return t;
}
-static struct entry *read_entry(struct userdata *u, const char *name) {
+static struct entry* entry_new(void) {
+ struct entry *r = pa_xnew0(struct entry, 1);
+ r->version = ENTRY_VERSION;
+ return r;
+}
+
+static void entry_free(struct entry* e) {
+ pa_assert(e);
+
+ pa_xfree(e->device);
+ pa_xfree(e->card);
+ pa_xfree(e);
+}
+
+static struct entry *entry_read(struct userdata *u, const char *name) {
pa_datum key, data;
- struct entry *e;
+ struct entry *e = NULL;
+ pa_tagstruct *t = NULL;
+ const char *device, *card;
pa_assert(u);
pa_assert(name);
@@ -1024,29 +1019,29 @@ static struct entry *read_entry(struct userdata *u, const char *name) {
if (!pa_database_get(u->database, &key, &data))
goto fail;
- if (data.size != sizeof(struct entry)) {
- /* This is probably just a database upgrade, hence let's not
- * consider this more than a debug message */
- pa_log_debug("Database contains entry for stream %s of wrong size %lu != %lu. Probably due to uprade, ignoring.", name, (unsigned long) data.size, (unsigned long) sizeof(struct entry));
- goto fail;
- }
-
- e = (struct entry*) data.data;
+ t = pa_tagstruct_new(data.data, data.size);
+ e = entry_new();
+
+ if (pa_tagstruct_getu8(t, &e->version) < 0 ||
+ e->version > ENTRY_VERSION ||
+ pa_tagstruct_get_boolean(t, &e->volume_valid) < 0 ||
+ pa_tagstruct_get_channel_map(t, &e->channel_map) < 0 ||
+ pa_tagstruct_get_cvolume(t, &e->volume) < 0 ||
+ pa_tagstruct_get_boolean(t, &e->muted_valid) < 0 ||
+ pa_tagstruct_get_boolean(t, &e->muted) < 0 ||
+ pa_tagstruct_get_boolean(t, &e->device_valid) < 0 ||
+ pa_tagstruct_gets(t, &device) < 0 ||
+ pa_tagstruct_get_boolean(t, &e->card_valid) < 0 ||
+ pa_tagstruct_gets(t, &card) < 0) {
- if (e->version != ENTRY_VERSION) {
- pa_log_debug("Version of database entry for stream %s doesn't match our version. Probably due to upgrade, ignoring.", name);
goto fail;
}
- if (!memchr(e->device, 0, sizeof(e->device))) {
- pa_log_warn("Database contains entry for stream %s with missing NUL byte in device name", name);
- goto fail;
- }
+ e->device = pa_xstrdup(device);
+ e->card = pa_xstrdup(card);
- if (!memchr(e->card, 0, sizeof(e->card))) {
- pa_log_warn("Database contains entry for stream %s with missing NUL byte in card name", name);
+ if (!pa_tagstruct_eof(t))
goto fail;
- }
if (e->device_valid && !pa_namereg_is_valid_name(e->device)) {
pa_log_warn("Invalid device name stored in database for stream %s", name);
@@ -1068,14 +1063,67 @@ static struct entry *read_entry(struct userdata *u, const char *name) {
goto fail;
}
+ pa_tagstruct_free(t);
+ pa_datum_free(&data);
+
return e;
fail:
+ pa_log_debug("Database contains invalid data for key: %s (probably pre-v1.0 data)", name);
+
+ if (e)
+ entry_free(e);
+ if (t)
+ pa_tagstruct_free(t);
pa_datum_free(&data);
return NULL;
}
+static pa_bool_t entry_write(struct userdata *u, const char *name, const struct entry *e, pa_bool_t replace) {
+ pa_tagstruct *t;
+ pa_datum key, data;
+ pa_bool_t r;
+
+ pa_assert(u);
+ pa_assert(name);
+ pa_assert(e);
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu8(t, e->version);
+ pa_tagstruct_put_boolean(t, e->volume_valid);
+ pa_tagstruct_put_channel_map(t, &e->channel_map);
+ pa_tagstruct_put_cvolume(t, &e->volume);
+ pa_tagstruct_put_boolean(t, e->muted_valid);
+ pa_tagstruct_put_boolean(t, e->muted);
+ pa_tagstruct_put_boolean(t, e->device_valid);
+ pa_tagstruct_puts(t, e->device);
+ pa_tagstruct_put_boolean(t, e->card_valid);
+ pa_tagstruct_puts(t, e->card);
+
+ key.data = (char *) name;
+ key.size = strlen(name);
+
+ data.data = (void*)pa_tagstruct_data(t, &data.size);
+
+ r = (pa_database_set(u->database, &key, &data, replace) == 0);
+
+ pa_tagstruct_free(t);
+
+ return r;
+}
+
+static struct entry* entry_copy(const struct entry *e) {
+ struct entry* r;
+
+ pa_assert(e);
+ r = entry_new();
+ *r = *e;
+ r->device = pa_xstrdup(e->device);
+ r->card = pa_xstrdup(e->card);
+ return r;
+}
+
static void trigger_save(struct userdata *u) {
pa_native_connection *c;
uint32_t idx;
@@ -1106,11 +1154,11 @@ static pa_bool_t entries_equal(const struct entry *a, const struct entry *b) {
pa_assert(b);
if (a->device_valid != b->device_valid ||
- (a->device_valid && strncmp(a->device, b->device, sizeof(a->device))))
+ (a->device_valid && !pa_streq(a->device, b->device)))
return FALSE;
if (a->card_valid != b->card_valid ||
- (a->card_valid && strncmp(a->card, b->card, sizeof(a->card))))
+ (a->card_valid && !pa_streq(a->card, b->card)))
return FALSE;
if (a->muted_valid != b->muted_valid ||
@@ -1127,9 +1175,8 @@ static pa_bool_t entries_equal(const struct entry *a, const struct entry *b) {
static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
struct userdata *u = userdata;
- struct entry entry, *old = NULL;
+ struct entry *entry, *old = NULL;
char *name = NULL;
- pa_datum key, data;
/* These are only used when D-Bus is enabled, but in order to reduce ifdef
* clutter these are defined here unconditionally. */
@@ -1151,9 +1198,6 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
t != (PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE))
return;
- pa_zero(entry);
- entry.version = ENTRY_VERSION;
-
if ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK_INPUT) {
pa_sink_input *sink_input;
@@ -1163,39 +1207,42 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
if (!(name = get_name(sink_input->proplist, "sink-input")))
return;
- if ((old = read_entry(u, name))) {
- entry = *old;
+ if ((old = entry_read(u, name))) {
+ entry = entry_copy(old);
created_new_entry = FALSE;
- }
+ } else
+ entry = entry_new();
if (sink_input->save_volume && pa_sink_input_is_volume_readable(sink_input)) {
pa_assert(sink_input->volume_writable);
- entry.channel_map = sink_input->channel_map;
- pa_sink_input_get_volume(sink_input, &entry.volume, FALSE);
- entry.volume_valid = TRUE;
+ entry->channel_map = sink_input->channel_map;
+ pa_sink_input_get_volume(sink_input, &entry->volume, FALSE);
+ entry->volume_valid = TRUE;
volume_updated = !created_new_entry
&& (!old->volume_valid
- || !pa_channel_map_equal(&entry.channel_map, &old->channel_map)
- || !pa_cvolume_equal(&entry.volume, &old->volume));
+ || !pa_channel_map_equal(&entry->channel_map, &old->channel_map)
+ || !pa_cvolume_equal(&entry->volume, &old->volume));
}
if (sink_input->save_muted) {
- entry.muted = pa_sink_input_get_mute(sink_input);
- entry.muted_valid = TRUE;
+ entry->muted = pa_sink_input_get_mute(sink_input);
+ entry->muted_valid = TRUE;
- mute_updated = !created_new_entry && (!old->muted_valid || entry.muted != old->muted);
+ mute_updated = !created_new_entry && (!old->muted_valid || entry->muted != old->muted);
}
if (sink_input->save_sink) {
- pa_strlcpy(entry.device, sink_input->sink->name, sizeof(entry.device));
- entry.device_valid = TRUE;
+ pa_xfree(entry->device);
+ entry->device = pa_xstrdup(sink_input->sink->name);
+ entry->device_valid = TRUE;
- device_updated = !created_new_entry && (!old->device_valid || !pa_streq(entry.device, old->device));
+ device_updated = !created_new_entry && (!old->device_valid || !pa_streq(entry->device, old->device));
if (sink_input->sink->card) {
- pa_strlcpy(entry.card, sink_input->sink->card->name, sizeof(entry.card));
- entry.card_valid = TRUE;
+ pa_xfree(entry->card);
+ entry->card = pa_xstrdup(sink_input->sink->card->name);
+ entry->card_valid = TRUE;
}
}
@@ -1210,44 +1257,45 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
if (!(name = get_name(source_output->proplist, "source-output")))
return;
- if ((old = read_entry(u, name))) {
- entry = *old;
+ if ((old = entry_read(u, name))) {
+ entry = entry_copy(old);
created_new_entry = FALSE;
- }
+ } else
+ entry = entry_new();
if (source_output->save_source) {
- pa_strlcpy(entry.device, source_output->source->name, sizeof(entry.device));
- entry.device_valid = TRUE;
+ pa_xfree(entry->device);
+ entry->device = pa_xstrdup(source_output->source->name);
+ entry->device_valid = TRUE;
- device_updated = !created_new_entry && (!old->device_valid || !pa_streq(entry.device, old->device));
+ device_updated = !created_new_entry && (!old->device_valid || !pa_streq(entry->device, old->device));
if (source_output->source->card) {
- pa_strlcpy(entry.card, source_output->source->card->name, sizeof(entry.card));
- entry.card_valid = TRUE;
+ pa_xfree(entry->card);
+ entry->card = pa_xstrdup(source_output->source->card->name);
+ entry->card_valid = TRUE;
}
}
}
+ pa_assert(entry);
+
if (old) {
- if (entries_equal(old, &entry)) {
- pa_xfree(old);
+ if (entries_equal(old, entry)) {
+ entry_free(old);
+ entry_free(entry);
pa_xfree(name);
return;
}
- pa_xfree(old);
+ entry_free(old);
}
- key.data = name;
- key.size = strlen(name);
-
- data.data = &entry;
- data.size = sizeof(entry);
-
pa_log_info("Storing volume/mute/device for stream %s.", name);
- pa_database_set(u->database, &key, &data, TRUE);
+ if (entry_write(u, name, entry, TRUE))
+ trigger_save(u);
#ifdef HAVE_DBUS
if (created_new_entry) {
@@ -1258,17 +1306,16 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
pa_assert_se(de = pa_hashmap_get(u->dbus_entries, name));
if (device_updated)
- send_device_updated_signal(de, &entry);
+ send_device_updated_signal(de, entry);
if (volume_updated)
- send_volume_updated_signal(de, &entry);
+ send_volume_updated_signal(de, entry);
if (mute_updated)
- send_mute_updated_signal(de, &entry);
+ send_mute_updated_signal(de, entry);
}
#endif
+ entry_free(entry);
pa_xfree(name);
-
- trigger_save(u);
}
static pa_hook_result_t sink_input_new_hook_callback(pa_core *c, pa_sink_input_new_data *new_data, struct userdata *u) {
@@ -1285,7 +1332,7 @@ static pa_hook_result_t sink_input_new_hook_callback(pa_core *c, pa_sink_input_n
if (new_data->sink)
pa_log_debug("Not restoring device for stream %s, because already set to '%s'.", name, new_data->sink->name);
- else if ((e = read_entry(u, name))) {
+ else if ((e = entry_read(u, name))) {
pa_sink *s = NULL;
if (e->device_valid)
@@ -1305,7 +1352,7 @@ static pa_hook_result_t sink_input_new_hook_callback(pa_core *c, pa_sink_input_n
if (pa_sink_input_new_data_set_sink(new_data, s, TRUE))
pa_log_info("Restoring device for stream %s.", name);
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1325,7 +1372,7 @@ static pa_hook_result_t sink_input_fixate_hook_callback(pa_core *c, pa_sink_inpu
if (!(name = get_name(new_data->proplist, "sink-input")))
return PA_HOOK_OK;
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (u->restore_volume && e->volume_valid) {
if (!new_data->volume_writable)
@@ -1356,7 +1403,7 @@ static pa_hook_result_t sink_input_fixate_hook_callback(pa_core *c, pa_sink_inpu
pa_log_debug("Not restoring mute state for sink input %s, because already set.", name);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1381,7 +1428,7 @@ static pa_hook_result_t source_output_new_hook_callback(pa_core *c, pa_source_ou
if (new_data->source)
pa_log_debug("Not restoring device for stream %s, because already set", name);
- else if ((e = read_entry(u, name))) {
+ else if ((e = entry_read(u, name))) {
pa_source *s = NULL;
if (e->device_valid)
@@ -1402,7 +1449,7 @@ static pa_hook_result_t source_output_new_hook_callback(pa_core *c, pa_source_ou
pa_source_output_new_data_set_source(new_data, s, TRUE);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1443,11 +1490,11 @@ static pa_hook_result_t sink_put_hook_callback(pa_core *c, pa_sink *sink, struct
if (!(name = get_name(si->proplist, "sink-input")))
continue;
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (e->device_valid && pa_streq(e->device, sink->name))
pa_sink_input_move_to(si, sink, TRUE);
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1491,11 +1538,11 @@ static pa_hook_result_t source_put_hook_callback(pa_core *c, pa_source *source,
if (!(name = get_name(so->proplist, "source-output")))
continue;
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (e->device_valid && pa_streq(e->device, source->name))
pa_source_output_move_to(so, source, TRUE);
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1527,7 +1574,7 @@ static pa_hook_result_t sink_unlink_hook_callback(pa_core *c, pa_sink *sink, str
if (!(name = get_name(si->proplist, "sink-input")))
continue;
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (e->device_valid) {
pa_sink *d;
@@ -1538,7 +1585,7 @@ static pa_hook_result_t sink_unlink_hook_callback(pa_core *c, pa_sink *sink, str
pa_sink_input_move_to(si, d, TRUE);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1573,7 +1620,7 @@ static pa_hook_result_t source_unlink_hook_callback(pa_core *c, pa_source *sourc
if (!(name = get_name(so->proplist, "source-output")))
continue;
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
if (e->device_valid) {
pa_source *d;
@@ -1584,7 +1631,7 @@ static pa_hook_result_t source_unlink_hook_callback(pa_core *c, pa_source *sourc
pa_source_output_move_to(so, d, TRUE);
}
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1595,7 +1642,7 @@ static pa_hook_result_t source_unlink_hook_callback(pa_core *c, pa_source *sourc
#define EXT_VERSION 1
-static void apply_entry(struct userdata *u, const char *name, struct entry *e) {
+static void entry_apply(struct userdata *u, const char *name, struct entry *e) {
pa_sink_input *si;
pa_source_output *so;
uint32_t idx;
@@ -1704,14 +1751,14 @@ PA_GCC_UNUSED static void stream_restore_dump_database(struct userdata *u) {
name = pa_xstrndup(key.data, key.size);
pa_datum_free(&key);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
char t[256];
pa_log("name=%s", name);
pa_log("device=%s %s", e->device, pa_yes_no(e->device_valid));
pa_log("channel_map=%s", pa_channel_map_snprint(t, sizeof(t), &e->channel_map));
pa_log("volume=%s %s", pa_cvolume_snprint(t, sizeof(t), &e->volume), pa_yes_no(e->volume_valid));
pa_log("mute=%s %s", pa_yes_no(e->muted), pa_yes_no(e->volume_valid));
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1768,7 +1815,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
name = pa_xstrndup(key.data, key.size);
pa_datum_free(&key);
- if ((e = read_entry(u, name))) {
+ if ((e = entry_read(u, name))) {
pa_cvolume r;
pa_channel_map cm;
@@ -1778,7 +1825,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
pa_tagstruct_puts(reply, e->device_valid ? e->device : NULL);
pa_tagstruct_put_boolean(reply, e->muted_valid ? e->muted : FALSE);
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);
@@ -1818,74 +1865,70 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
while (!pa_tagstruct_eof(t)) {
const char *name, *device;
pa_bool_t muted;
- struct entry entry;
- pa_datum key, data;
+ struct entry *entry;
#ifdef HAVE_DBUS
struct entry *old;
#endif
- pa_zero(entry);
- entry.version = ENTRY_VERSION;
+ entry = entry_new();
if (pa_tagstruct_gets(t, &name) < 0 ||
- pa_tagstruct_get_channel_map(t, &entry.channel_map) ||
- pa_tagstruct_get_cvolume(t, &entry.volume) < 0 ||
+ pa_tagstruct_get_channel_map(t, &entry->channel_map) ||
+ pa_tagstruct_get_cvolume(t, &entry->volume) < 0 ||
pa_tagstruct_gets(t, &device) < 0 ||
pa_tagstruct_get_boolean(t, &muted) < 0)
goto fail;
- if (!name || !*name)
+ if (!name || !*name) {
+ entry_free(entry);
goto fail;
+ }
- entry.volume_valid = entry.volume.channels > 0;
+ entry->volume_valid = entry->volume.channels > 0;
- if (entry.volume_valid)
- if (!pa_cvolume_compatible_with_channel_map(&entry.volume, &entry.channel_map))
+ if (entry->volume_valid)
+ if (!pa_cvolume_compatible_with_channel_map(&entry->volume, &entry->channel_map)) {
+ entry_free(entry);
goto fail;
+ }
- entry.muted = muted;
- entry.muted_valid = TRUE;
+ entry->muted = muted;
+ entry->muted_valid = TRUE;
- if (device)
- pa_strlcpy(entry.device, device, sizeof(entry.device));
- entry.device_valid = !!entry.device[0];
+ entry->device = pa_xstrdup(device);
+ entry->device_valid = device && !!entry->device[0];
- if (entry.device_valid &&
- !pa_namereg_is_valid_name(entry.device))
+ if (entry->device_valid && !pa_namereg_is_valid_name(entry->device)) {
+ entry_free(entry);
goto fail;
+ }
#ifdef HAVE_DBUS
- old = read_entry(u, name);
+ old = entry_read(u, name);
#endif
- key.data = (char*) name;
- key.size = strlen(name);
-
- data.data = &entry;
- data.size = sizeof(entry);
-
pa_log_debug("Client %s changes entry %s.",
pa_strnull(pa_proplist_gets(pa_native_connection_get_client(c)->proplist, PA_PROP_APPLICATION_PROCESS_BINARY)),
name);
- if (pa_database_set(u->database, &key, &data, mode == PA_UPDATE_REPLACE) == 0) {
+ if (entry_write(u, name, entry, mode == PA_UPDATE_REPLACE)) {
#ifdef HAVE_DBUS
struct dbus_entry *de;
if (old) {
pa_assert_se((de = pa_hashmap_get(u->dbus_entries, name)));
- if ((old->device_valid != entry.device_valid)
- || (entry.device_valid && !pa_streq(entry.device, old->device)))
- send_device_updated_signal(de, &entry);
+ if ((old->device_valid != entry->device_valid)
+ || (entry->device_valid && !pa_streq(entry->device, old->device)))
+ send_device_updated_signal(de, entry);
- if ((old->volume_valid != entry.volume_valid)
- || (entry.volume_valid && (!pa_cvolume_equal(&entry.volume, &old->volume)
- || !pa_channel_map_equal(&entry.channel_map, &old->channel_map))))
- send_volume_updated_signal(de, &entry);
+ if ((old->volume_valid != entry->volume_valid)
+ || (entry->volume_valid && (!pa_cvolume_equal(&entry->volume, &old->volume)
+ || !pa_channel_map_equal(&entry->channel_map, &old->channel_map))))
+ send_volume_updated_signal(de, entry);
- if (!old->muted_valid || (entry.muted != old->muted))
- send_mute_updated_signal(de, &entry);
+ if (!old->muted_valid || (entry->muted != old->muted))
+ send_mute_updated_signal(de, entry);
} else {
de = dbus_entry_new(u, name);
@@ -1895,13 +1938,14 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
#endif
if (apply_immediately)
- apply_entry(u, name, &entry);
+ entry_apply(u, name, entry);
}
#ifdef HAVE_DBUS
if (old)
- pa_xfree(old);
+ entry_free(old);
#endif
+ entry_free(entry);
}
trigger_save(u);
@@ -2080,11 +2124,11 @@ int pa__init(pa_module*m) {
name = pa_xstrndup(key.data, key.size);
pa_datum_free(&key);
- /* Use read_entry() for checking that the entry is valid. */
- if ((e = read_entry(u, name))) {
+ /* Use entry_read() for checking that the entry is valid. */
+ if ((e = entry_read(u, name))) {
de = dbus_entry_new(u, name);
pa_assert_se(pa_hashmap_put(u->dbus_entries, de->entry_name, de) == 0);
- pa_xfree(e);
+ entry_free(e);
}
pa_xfree(name);