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	version all entries in the database
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					 3 changed files with 42 additions and 15 deletions
				
			
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			@ -90,16 +90,18 @@ struct userdata {
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    pa_idxset *subscribed;
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};
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struct entry {
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#define ENTRY_VERSION 1
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struct entry PA_GCC_PACKED {
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    uint8_t version;
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    pa_bool_t muted_valid:1, relative_volume_valid:1, absolute_volume_valid:1, device_valid:1;
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    pa_bool_t muted:1;
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    pa_channel_map channel_map;
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    char device[PA_NAME_MAX];
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    pa_cvolume relative_volume;
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    pa_cvolume absolute_volume;
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    pa_bool_t muted:1;
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    pa_bool_t device_valid:1, relative_volume_valid:1, absolute_volume_valid:1, muted_valid:1;
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    char device[PA_NAME_MAX];
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};
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enum {
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    SUBCOMMAND_TEST,
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    SUBCOMMAND_READ,
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			@ -161,24 +163,29 @@ static struct entry* read_entry(struct userdata *u, const char *name) {
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    if (data.dsize != sizeof(struct entry)) {
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        /* This is probably just a database upgrade, hence let's not
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         * consider this more than a debug message */
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        pa_log_debug("Database contains entry for stream %s of wrong size %lu != %lu", name, (unsigned long) data.dsize, (unsigned long) sizeof(struct entry));
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        pa_log_debug("Database contains entry for stream %s of wrong size %lu != %lu. Probably due to uprade, ignoring.", name, (unsigned long) data.dsize, (unsigned long) sizeof(struct entry));
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        goto fail;
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    }
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    e = (struct entry*) data.dptr;
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    if (e->version != ENTRY_VERSION) {
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        pa_log_debug("Version of database entry for stream %s doesn't match our version. Probably due to upgrade, ignoring.", name);
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        goto fail;
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    }
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    if (!memchr(e->device, 0, sizeof(e->device))) {
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        pa_log_warn("Database contains entry for stream %s with missing NUL byte in device name", name);
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        goto fail;
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    }
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    if (!(pa_channel_map_valid(&e->channel_map))) {
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        pa_log_warn("Invalid channel map stored in database for stream %s", name);
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    if (e->device_valid && !pa_namereg_is_valid_name(e->device)) {
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        pa_log_warn("Invalid device name stored in database for stream %s", name);
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        goto fail;
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    }
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    if (e->device_valid && !pa_namereg_is_valid_name(e->device)) {
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        pa_log_warn("Invalid device name stored in database for stream %s", name);
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    if ((e->relative_volume_valid || e->absolute_volume_valid) && !(pa_channel_map_valid(&e->channel_map))) {
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        pa_log_warn("Invalid channel map stored in database for stream %s", name);
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        goto fail;
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    }
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			@ -265,6 +272,7 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
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        return;
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    memset(&entry, 0, sizeof(entry));
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    entry.version = ENTRY_VERSION;
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    if ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK_INPUT) {
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        pa_sink_input *sink_input;
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			@ -697,6 +705,7 @@ static int extension_cb(pa_native_protocol *p, pa_module *m, pa_native_connectio
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                int k;
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                memset(&entry, 0, sizeof(entry));
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                entry.version = ENTRY_VERSION;
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                if (pa_tagstruct_gets(t, &name) < 0 ||
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                    pa_tagstruct_get_channel_map(t, &entry.channel_map) ||
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