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-rw-r--r--src/tools/pw-dump.c1664
1 files changed, 1664 insertions, 0 deletions
diff --git a/src/tools/pw-dump.c b/src/tools/pw-dump.c
new file mode 100644
index 0000000..ecc2c55
--- /dev/null
+++ b/src/tools/pw-dump.c
@@ -0,0 +1,1664 @@
+/* PipeWire
+ *
+ * Copyright © 2020 Wim Taymans <wim.taymans@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <getopt.h>
+#include <limits.h>
+#include <math.h>
+#include <fnmatch.h>
+#include <locale.h>
+
+#if !defined(FNM_EXTMATCH)
+#define FNM_EXTMATCH 0
+#endif
+
+#include <spa/utils/result.h>
+#include <spa/utils/string.h>
+#include <spa/pod/iter.h>
+#include <spa/debug/types.h>
+#include <spa/utils/json.h>
+#include <spa/utils/ansi.h>
+#include <spa/utils/string.h>
+
+#include <pipewire/pipewire.h>
+#include <pipewire/extensions/metadata.h>
+
+#define INDENT 2
+
+static bool colors = false;
+
+#define NORMAL (colors ? SPA_ANSI_RESET : "")
+#define LITERAL (colors ? SPA_ANSI_BRIGHT_MAGENTA : "")
+#define NUMBER (colors ? SPA_ANSI_BRIGHT_CYAN : "")
+#define STRING (colors ? SPA_ANSI_BRIGHT_GREEN : "")
+#define KEY (colors ? SPA_ANSI_BRIGHT_BLUE : "")
+
+struct data {
+ struct pw_main_loop *loop;
+ struct pw_context *context;
+
+ struct pw_core_info *info;
+ struct pw_core *core;
+ struct spa_hook core_listener;
+ int sync_seq;
+
+ struct pw_registry *registry;
+ struct spa_hook registry_listener;
+
+ struct spa_list object_list;
+
+ const char *pattern;
+
+ FILE *out;
+ int level;
+#define STATE_KEY (1<<0)
+#define STATE_COMMA (1<<1)
+#define STATE_FIRST (1<<2)
+#define STATE_MASK 0xffff0000
+#define STATE_SIMPLE (1<<16)
+ uint32_t state;
+
+ unsigned int monitor:1;
+};
+
+struct param {
+ uint32_t id;
+ int32_t seq;
+ struct spa_list link;
+ struct spa_pod *param;
+};
+
+struct object;
+
+struct class {
+ const char *type;
+ uint32_t version;
+ const void *events;
+ void (*destroy) (struct object *object);
+ void (*dump) (struct object *object);
+ const char *name_key;
+};
+
+struct object {
+ struct spa_list link;
+
+ struct data *data;
+
+ uint32_t id;
+ uint32_t permissions;
+ char *type;
+ uint32_t version;
+ struct pw_properties *props;
+
+ const struct class *class;
+ void *info;
+ struct spa_param_info *params;
+ uint32_t n_params;
+
+ int changed;
+ struct spa_list param_list;
+ struct spa_list pending_list;
+ struct spa_list data_list;
+
+ struct pw_proxy *proxy;
+ struct spa_hook proxy_listener;
+ struct spa_hook object_listener;
+};
+
+static void core_sync(struct data *d)
+{
+ d->sync_seq = pw_core_sync(d->core, PW_ID_CORE, d->sync_seq);
+ pw_log_debug("sync start %u", d->sync_seq);
+}
+
+static uint32_t clear_params(struct spa_list *param_list, uint32_t id)
+{
+ struct param *p, *t;
+ uint32_t count = 0;
+
+ spa_list_for_each_safe(p, t, param_list, link) {
+ if (id == SPA_ID_INVALID || p->id == id) {
+ spa_list_remove(&p->link);
+ free(p);
+ count++;
+ }
+ }
+ return count;
+}
+
+static struct param *add_param(struct spa_list *params, int seq,
+ uint32_t id, const struct spa_pod *param)
+{
+ struct param *p;
+
+ if (id == SPA_ID_INVALID) {
+ if (param == NULL || !spa_pod_is_object(param)) {
+ errno = EINVAL;
+ return NULL;
+ }
+ id = SPA_POD_OBJECT_ID(param);
+ }
+
+ p = malloc(sizeof(*p) + (param != NULL ? SPA_POD_SIZE(param) : 0));
+ if (p == NULL)
+ return NULL;
+
+ p->id = id;
+ p->seq = seq;
+ if (param != NULL) {
+ p->param = SPA_PTROFF(p, sizeof(*p), struct spa_pod);
+ memcpy(p->param, param, SPA_POD_SIZE(param));
+ } else {
+ clear_params(params, id);
+ p->param = NULL;
+ }
+ spa_list_append(params, &p->link);
+
+ return p;
+}
+
+static struct object *find_object(struct data *d, uint32_t id)
+{
+ struct object *o;
+ spa_list_for_each(o, &d->object_list, link) {
+ if (o->id == id)
+ return o;
+ }
+ return NULL;
+}
+
+static void object_update_params(struct spa_list *param_list, struct spa_list *pending_list,
+ uint32_t n_params, struct spa_param_info *params)
+{
+ struct param *p, *t;
+ uint32_t i;
+
+ for (i = 0; i < n_params; i++) {
+ spa_list_for_each_safe(p, t, pending_list, link) {
+ if (p->id == params[i].id &&
+ p->seq != params[i].seq &&
+ p->param != NULL) {
+ spa_list_remove(&p->link);
+ free(p);
+ }
+ }
+ }
+
+ spa_list_consume(p, pending_list, link) {
+ spa_list_remove(&p->link);
+ if (p->param == NULL) {
+ clear_params(param_list, p->id);
+ free(p);
+ } else {
+ spa_list_append(param_list, &p->link);
+ }
+ }
+}
+
+static void object_destroy(struct object *o)
+{
+ spa_list_remove(&o->link);
+ if (o->proxy)
+ pw_proxy_destroy(o->proxy);
+ pw_properties_free(o->props);
+ clear_params(&o->param_list, SPA_ID_INVALID);
+ clear_params(&o->pending_list, SPA_ID_INVALID);
+ free(o->type);
+ free(o);
+}
+
+static void put_key(struct data *d, const char *key);
+
+static SPA_PRINTF_FUNC(3,4) void put_fmt(struct data *d, const char *key, const char *fmt, ...)
+{
+ va_list va;
+ if (key)
+ put_key(d, key);
+ fprintf(d->out, "%s%s%*s",
+ d->state & STATE_COMMA ? "," : "",
+ d->state & (STATE_MASK | STATE_KEY) ? " " : d->state & STATE_FIRST ? "" : "\n",
+ d->state & (STATE_MASK | STATE_KEY) ? 0 : d->level, "");
+ va_start(va, fmt);
+ vfprintf(d->out, fmt, va);
+ va_end(va);
+ d->state = (d->state & STATE_MASK) + STATE_COMMA;
+}
+
+static void put_key(struct data *d, const char *key)
+{
+ int size = (strlen(key) + 1) * 4;
+ char *str = alloca(size);
+ spa_json_encode_string(str, size, key);
+ put_fmt(d, NULL, "%s%s%s:", KEY, str, NORMAL);
+ d->state = (d->state & STATE_MASK) + STATE_KEY;
+}
+
+static void put_begin(struct data *d, const char *key, const char *type, uint32_t flags)
+{
+ put_fmt(d, key, "%s", type);
+ d->level += INDENT;
+ d->state = (d->state & STATE_MASK) + (flags & STATE_SIMPLE);
+}
+
+static void put_end(struct data *d, const char *type, uint32_t flags)
+{
+ d->level -= INDENT;
+ d->state = d->state & STATE_MASK;
+ put_fmt(d, NULL, "%s", type);
+ d->state = (d->state & STATE_MASK) + STATE_COMMA - (flags & STATE_SIMPLE);
+}
+
+static void put_encoded_string(struct data *d, const char *key, const char *val)
+{
+ put_fmt(d, key, "%s%s%s", STRING, val, NORMAL);
+}
+static void put_string(struct data *d, const char *key, const char *val)
+{
+ int size = (strlen(val) + 1) * 4;
+ char *str = alloca(size);
+ spa_json_encode_string(str, size, val);
+ put_encoded_string(d, key, str);
+}
+
+static void put_literal(struct data *d, const char *key, const char *val)
+{
+ put_fmt(d, key, "%s%s%s", LITERAL, val, NORMAL);
+}
+
+static void put_int(struct data *d, const char *key, int64_t val)
+{
+ put_fmt(d, key, "%s%"PRIi64"%s", NUMBER, val, NORMAL);
+}
+
+static void put_double(struct data *d, const char *key, double val)
+{
+ char buf[128];
+ put_fmt(d, key, "%s%s%s", NUMBER,
+ spa_json_format_float(buf, sizeof(buf), val), NORMAL);
+}
+
+static void put_value(struct data *d, const char *key, const char *val)
+{
+ int64_t li;
+ float fv;
+
+ if (val == NULL)
+ put_literal(d, key, "null");
+ else if (spa_streq(val, "true") || spa_streq(val, "false"))
+ put_literal(d, key, val);
+ else if (spa_atoi64(val, &li, 10))
+ put_int(d, key, li);
+ else if (spa_json_parse_float(val, strlen(val), &fv))
+ put_double(d, key, fv);
+ else
+ put_string(d, key, val);
+}
+
+static void put_dict(struct data *d, const char *key, struct spa_dict *dict)
+{
+ const struct spa_dict_item *it;
+ spa_dict_qsort(dict);
+ put_begin(d, key, "{", 0);
+ spa_dict_for_each(it, dict)
+ put_value(d, it->key, it->value);
+ put_end(d, "}", 0);
+}
+
+static void put_pod_value(struct data *d, const char *key, const struct spa_type_info *info,
+ uint32_t type, void *body, uint32_t size)
+{
+ if (key)
+ put_key(d, key);
+ switch (type) {
+ case SPA_TYPE_Bool:
+ put_value(d, NULL, *(int32_t*)body ? "true" : "false");
+ break;
+ case SPA_TYPE_Id:
+ {
+ const char *str;
+ char fallback[32];
+ uint32_t id = *(uint32_t*)body;
+ str = spa_debug_type_find_short_name(info, *(uint32_t*)body);
+ if (str == NULL) {
+ snprintf(fallback, sizeof(fallback), "id-%08x", id);
+ str = fallback;
+ }
+ put_value(d, NULL, str);
+ break;
+ }
+ case SPA_TYPE_Int:
+ put_int(d, NULL, *(int32_t*)body);
+ break;
+ case SPA_TYPE_Fd:
+ case SPA_TYPE_Long:
+ put_int(d, NULL, *(int64_t*)body);
+ break;
+ case SPA_TYPE_Float:
+ put_double(d, NULL, *(float*)body);
+ break;
+ case SPA_TYPE_Double:
+ put_double(d, NULL, *(double*)body);
+ break;
+ case SPA_TYPE_String:
+ put_string(d, NULL, (const char*)body);
+ break;
+ case SPA_TYPE_Rectangle:
+ {
+ struct spa_rectangle *r = (struct spa_rectangle *)body;
+ put_begin(d, NULL, "{", STATE_SIMPLE);
+ put_int(d, "width", r->width);
+ put_int(d, "height", r->height);
+ put_end(d, "}", STATE_SIMPLE);
+ break;
+ }
+ case SPA_TYPE_Fraction:
+ {
+ struct spa_fraction *f = (struct spa_fraction *)body;
+ put_begin(d, NULL, "{", STATE_SIMPLE);
+ put_int(d, "num", f->num);
+ put_int(d, "denom", f->denom);
+ put_end(d, "}", STATE_SIMPLE);
+ break;
+ }
+ case SPA_TYPE_Array:
+ {
+ struct spa_pod_array_body *b = (struct spa_pod_array_body *)body;
+ void *p;
+ info = info && info->values ? info->values: info;
+ put_begin(d, NULL, "[", STATE_SIMPLE);
+ SPA_POD_ARRAY_BODY_FOREACH(b, size, p)
+ put_pod_value(d, NULL, info, b->child.type, p, b->child.size);
+ put_end(d, "]", STATE_SIMPLE);
+ break;
+ }
+ case SPA_TYPE_Choice:
+ {
+ struct spa_pod_choice_body *b = (struct spa_pod_choice_body *)body;
+ int index = 0;
+
+ if (b->type == SPA_CHOICE_None) {
+ put_pod_value(d, NULL, info, b->child.type,
+ SPA_POD_CONTENTS(struct spa_pod, &b->child),
+ b->child.size);
+ } else {
+ static const char * const range_labels[] = { "default", "min", "max", NULL };
+ static const char * const step_labels[] = { "default", "min", "max", "step", NULL };
+ static const char * const enum_labels[] = { "default", "alt%u" };
+ static const char * const flags_labels[] = { "default", "flag%u" };
+
+ const char * const *labels;
+ const char *label;
+ char buffer[64];
+ int max_labels, flags = 0;
+ void *p;
+
+ switch (b->type) {
+ case SPA_CHOICE_Range:
+ labels = range_labels;
+ max_labels = 3;
+ flags |= STATE_SIMPLE;
+ break;
+ case SPA_CHOICE_Step:
+ labels = step_labels;
+ max_labels = 4;
+ flags |= STATE_SIMPLE;
+ break;
+ case SPA_CHOICE_Enum:
+ labels = enum_labels;
+ max_labels = 1;
+ break;
+ case SPA_CHOICE_Flags:
+ labels = flags_labels;
+ max_labels = 1;
+ break;
+ default:
+ labels = NULL;
+ break;
+ }
+ if (labels == NULL)
+ break;
+
+ put_begin(d, NULL, "{", flags);
+ SPA_POD_CHOICE_BODY_FOREACH(b, size, p) {
+ if ((label = labels[SPA_CLAMP(index, 0, max_labels)]) == NULL)
+ break;
+ snprintf(buffer, sizeof(buffer), label, index);
+ put_pod_value(d, buffer, info, b->child.type, p, b->child.size);
+ index++;
+ }
+ put_end(d, "}", flags);
+ }
+ break;
+ }
+ case SPA_TYPE_Object:
+ {
+ put_begin(d, NULL, "{", 0);
+ struct spa_pod_object_body *b = (struct spa_pod_object_body *)body;
+ struct spa_pod_prop *p;
+ const struct spa_type_info *ti, *ii;
+
+ ti = spa_debug_type_find(info, b->type);
+ ii = ti ? spa_debug_type_find(ti->values, 0) : NULL;
+ ii = ii ? spa_debug_type_find(ii->values, b->id) : NULL;
+
+ info = ti ? ti->values : info;
+
+ SPA_POD_OBJECT_BODY_FOREACH(b, size, p) {
+ char fallback[32];
+ const char *name;
+
+ ii = spa_debug_type_find(info, p->key);
+ name = ii ? spa_debug_type_short_name(ii->name) : NULL;
+ if (name == NULL) {
+ snprintf(fallback, sizeof(fallback), "id-%08x", p->key);
+ name = fallback;
+ }
+ put_pod_value(d, name,
+ ii ? ii->values : NULL,
+ p->value.type,
+ SPA_POD_CONTENTS(struct spa_pod_prop, p),
+ p->value.size);
+ }
+ put_end(d, "}", 0);
+ break;
+ }
+ case SPA_TYPE_Struct:
+ {
+ struct spa_pod *b = (struct spa_pod *)body, *p;
+ put_begin(d, NULL, "[", 0);
+ SPA_POD_FOREACH(b, size, p)
+ put_pod_value(d, NULL, info, p->type, SPA_POD_BODY(p), p->size);
+ put_end(d, "]", 0);
+ break;
+ }
+ case SPA_TYPE_None:
+ put_value(d, NULL, NULL);
+ break;
+ }
+}
+static void put_pod(struct data *d, const char *key, const struct spa_pod *pod)
+{
+ if (pod == NULL) {
+ put_value(d, key, NULL);
+ } else {
+ put_pod_value(d, key, SPA_TYPE_ROOT,
+ SPA_POD_TYPE(pod),
+ SPA_POD_BODY(pod),
+ SPA_POD_BODY_SIZE(pod));
+ }
+}
+
+static void put_params(struct data *d, const char *key,
+ struct spa_param_info *params, uint32_t n_params,
+ struct spa_list *list)
+{
+ uint32_t i;
+
+ put_begin(d, key, "{", 0);
+ for (i = 0; i < n_params; i++) {
+ struct spa_param_info *pi = &params[i];
+ struct param *p;
+ uint32_t flags;
+
+ flags = pi->flags & SPA_PARAM_INFO_READ ? 0 : STATE_SIMPLE;
+
+ put_begin(d, spa_debug_type_find_short_name(spa_type_param, pi->id),
+ "[", flags);
+ spa_list_for_each(p, list, link) {
+ if (p->id == pi->id)
+ put_pod(d, NULL, p->param);
+ }
+ put_end(d, "]", flags);
+ }
+ put_end(d, "}", 0);
+}
+
+struct flags_info {
+ const char *name;
+ uint64_t mask;
+};
+
+static void put_flags(struct data *d, const char *key,
+ uint64_t flags, const struct flags_info *info)
+{
+ uint32_t i;
+ put_begin(d, key, "[", STATE_SIMPLE);
+ for (i = 0; info[i].name != NULL; i++) {
+ if (info[i].mask & flags)
+ put_string(d, NULL, info[i].name);
+ }
+ put_end(d, "]", STATE_SIMPLE);
+}
+
+/* core */
+static void core_dump(struct object *o)
+{
+ static const struct flags_info fl[] = {
+ { "props", PW_CORE_CHANGE_MASK_PROPS },
+ { NULL, 0 },
+ };
+
+ struct data *d = o->data;
+ struct pw_core_info *i = d->info;
+
+ put_begin(d, "info", "{", 0);
+ put_int(d, "cookie", i->cookie);
+ put_value(d, "user-name", i->user_name);
+ put_value(d, "host-name", i->host_name);
+ put_value(d, "version", i->version);
+ put_value(d, "name", i->name);
+ put_flags(d, "change-mask", i->change_mask, fl);
+ put_dict(d, "props", i->props);
+ put_end(d, "}", 0);
+}
+
+static const struct class core_class = {
+ .type = PW_TYPE_INTERFACE_Core,
+ .version = PW_VERSION_CORE,
+ .dump = core_dump,
+ .name_key = PW_KEY_CORE_NAME,
+};
+
+/* client */
+static void client_dump(struct object *o)
+{
+ static const struct flags_info fl[] = {
+ { "props", PW_CLIENT_CHANGE_MASK_PROPS },
+ { NULL, 0 },
+ };
+
+ struct data *d = o->data;
+ struct pw_client_info *i = o->info;
+
+ put_begin(d, "info", "{", 0);
+ put_flags(d, "change-mask", i->change_mask, fl);
+ put_dict(d, "props", i->props);
+ put_end(d, "}", 0);
+}
+
+static void client_event_info(void *data, const struct pw_client_info *info)
+{
+ struct object *o = data;
+ int changed = 0;
+
+ pw_log_debug("object %p: id:%d change-mask:%08"PRIx64, o, o->id, info->change_mask);
+
+ info = o->info = pw_client_info_update(o->info, info);
+ if (info == NULL)
+ return;
+
+ if (info->change_mask & PW_CLIENT_CHANGE_MASK_PROPS)
+ changed++;
+
+ if (changed) {
+ o->changed += changed;
+ core_sync(o->data);
+ }
+}
+
+static const struct pw_client_events client_events = {
+ PW_VERSION_CLIENT_EVENTS,
+ .info = client_event_info,
+};
+
+static void client_destroy(struct object *o)
+{
+ if (o->info) {
+ pw_client_info_free(o->info);
+ o->info = NULL;
+ }
+}
+
+static const struct class client_class = {
+ .type = PW_TYPE_INTERFACE_Client,
+ .version = PW_VERSION_CLIENT,
+ .events = &client_events,
+ .destroy = client_destroy,
+ .dump = client_dump,
+ .name_key = PW_KEY_APP_NAME,
+};
+
+/* module */
+static void module_dump(struct object *o)
+{
+ static const struct flags_info fl[] = {
+ { "props", PW_MODULE_CHANGE_MASK_PROPS },
+ { NULL, 0 },
+ };
+
+ struct data *d = o->data;
+ struct pw_module_info *i = o->info;
+
+ put_begin(d, "info", "{", 0);
+ put_value(d, "name", i->name);
+ put_value(d, "filename", i->filename);
+ put_value(d, "args", i->args);
+ put_flags(d, "change-mask", i->change_mask, fl);
+ put_dict(d, "props", i->props);
+ put_end(d, "}", 0);
+}
+
+static void module_event_info(void *data, const struct pw_module_info *info)
+{
+ struct object *o = data;
+ int changed = 0;
+
+ pw_log_debug("object %p: id:%d change-mask:%08"PRIx64, o, o->id, info->change_mask);
+
+ info = o->info = pw_module_info_update(o->info, info);
+ if (info == NULL)
+ return;
+
+ if (info->change_mask & PW_MODULE_CHANGE_MASK_PROPS)
+ changed++;
+
+ if (changed) {
+ o->changed += changed;
+ core_sync(o->data);
+ }
+}
+
+static const struct pw_module_events module_events = {
+ PW_VERSION_MODULE_EVENTS,
+ .info = module_event_info,
+};
+
+static void module_destroy(struct object *o)
+{
+ if (o->info) {
+ pw_module_info_free(o->info);
+ o->info = NULL;
+ }
+}
+
+static const struct class module_class = {
+ .type = PW_TYPE_INTERFACE_Module,
+ .version = PW_VERSION_MODULE,
+ .events = &module_events,
+ .destroy = module_destroy,
+ .dump = module_dump,
+ .name_key = PW_KEY_MODULE_NAME,
+};
+
+/* factory */
+static void factory_dump(struct object *o)
+{
+ static const struct flags_info fl[] = {
+ { "props", PW_FACTORY_CHANGE_MASK_PROPS },
+ { NULL, 0 },
+ };
+
+ struct data *d = o->data;
+ struct pw_factory_info *i = o->info;
+
+ put_begin(d, "info", "{", 0);
+ put_value(d, "name", i->name);
+ put_value(d, "type", i->type);
+ put_int(d, "version", i->version);
+ put_flags(d, "change-mask", i->change_mask, fl);
+ put_dict(d, "props", i->props);
+ put_end(d, "}", 0);
+}
+
+static void factory_event_info(void *data, const struct pw_factory_info *info)
+{
+ struct object *o = data;
+ int changed = 0;
+
+ pw_log_debug("object %p: id:%d change-mask:%08"PRIx64, o, o->id, info->change_mask);
+
+ info = o->info = pw_factory_info_update(o->info, info);
+ if (info == NULL)
+ return;
+
+ if (info->change_mask & PW_FACTORY_CHANGE_MASK_PROPS)
+ changed++;
+
+ if (changed) {
+ o->changed += changed;
+ core_sync(o->data);
+ }
+}
+
+static const struct pw_factory_events factory_events = {
+ PW_VERSION_FACTORY_EVENTS,
+ .info = factory_event_info,
+};
+
+static void factory_destroy(struct object *o)
+{
+ if (o->info) {
+ pw_factory_info_free(o->info);
+ o->info = NULL;
+ }
+}
+
+static const struct class factory_class = {
+ .type = PW_TYPE_INTERFACE_Factory,
+ .version = PW_VERSION_FACTORY,
+ .events = &factory_events,
+ .destroy = factory_destroy,
+ .dump = factory_dump,
+ .name_key = PW_KEY_FACTORY_NAME,
+};
+
+/* device */
+static void device_dump(struct object *o)
+{
+ static const struct flags_info fl[] = {
+ { "props", PW_DEVICE_CHANGE_MASK_PROPS },
+ { "params", PW_DEVICE_CHANGE_MASK_PARAMS },
+ { NULL, 0 },
+ };
+
+ struct data *d = o->data;
+ struct pw_device_info *i = o->info;
+
+ put_begin(d, "info", "{", 0);
+ put_flags(d, "change-mask", i->change_mask, fl);
+ put_dict(d, "props", i->props);
+ put_params(d, "params", i->params, i->n_params, &o->param_list);
+ put_end(d, "}", 0);
+}
+
+static void device_event_info(void *data, const struct pw_device_info *info)
+{
+ struct object *o = data;
+ uint32_t i, changed = 0;
+ int res;
+
+ pw_log_debug("object %p: id:%d change-mask:%08"PRIx64, o, o->id, info->change_mask);
+
+ info = o->info = pw_device_info_update(o->info, info);
+ if (info == NULL)
+ return;
+
+ o->params = info->params;
+ o->n_params = info->n_params;
+
+ if (info->change_mask & PW_DEVICE_CHANGE_MASK_PROPS)
+ changed++;
+
+ if (info->change_mask & PW_DEVICE_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ uint32_t id = info->params[i].id;
+
+ if (info->params[i].user == 0)
+ continue;
+ info->params[i].user = 0;
+
+ changed++;
+ add_param(&o->pending_list, 0, id, NULL);
+ if (!(info->params[i].flags & SPA_PARAM_INFO_READ))
+ continue;
+
+ res = pw_device_enum_params((struct pw_device*)o->proxy,
+ ++info->params[i].seq, id, 0, -1, NULL);
+ if (SPA_RESULT_IS_ASYNC(res))
+ info->params[i].seq = res;
+ }
+ }
+ if (changed) {
+ o->changed += changed;
+ core_sync(o->data);
+ }
+}
+
+static void device_event_param(void *data, int seq,
+ uint32_t id, uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct object *o = data;
+ add_param(&o->pending_list, seq, id, param);
+}
+
+static const struct pw_device_events device_events = {
+ PW_VERSION_DEVICE_EVENTS,
+ .info = device_event_info,
+ .param = device_event_param,
+};
+
+static void device_destroy(struct object *o)
+{
+ if (o->info) {
+ pw_device_info_free(o->info);
+ o->info = NULL;
+ }
+}
+
+static const struct class device_class = {
+ .type = PW_TYPE_INTERFACE_Device,
+ .version = PW_VERSION_DEVICE,
+ .events = &device_events,
+ .destroy = device_destroy,
+ .dump = device_dump,
+ .name_key = PW_KEY_DEVICE_NAME,
+};
+
+/* node */
+static void node_dump(struct object *o)
+{
+ static const struct flags_info fl[] = {
+ { "input-ports", PW_NODE_CHANGE_MASK_INPUT_PORTS },
+ { "output-ports", PW_NODE_CHANGE_MASK_OUTPUT_PORTS },
+ { "state", PW_NODE_CHANGE_MASK_STATE },
+ { "props", PW_NODE_CHANGE_MASK_PROPS },
+ { "params", PW_NODE_CHANGE_MASK_PARAMS },
+ { NULL, 0 },
+ };
+
+ struct data *d = o->data;
+ struct pw_node_info *i = o->info;
+
+ put_begin(d, "info", "{", 0);
+ put_int(d, "max-input-ports", i->max_input_ports);
+ put_int(d, "max-output-ports", i->max_output_ports);
+ put_flags(d, "change-mask", i->change_mask, fl);
+ put_int(d, "n-input-ports", i->n_input_ports);
+ put_int(d, "n-output-ports", i->n_output_ports);
+ put_value(d, "state", pw_node_state_as_string(i->state));
+ put_value(d, "error", i->error);
+ put_dict(d, "props", i->props);
+ put_params(d, "params", i->params, i->n_params, &o->param_list);
+ put_end(d, "}", 0);
+}
+
+static void node_event_info(void *data, const struct pw_node_info *info)
+{
+ struct object *o = data;
+ uint32_t i, changed = 0;
+ int res;
+
+ pw_log_debug("object %p: id:%d change-mask:%08"PRIx64, o, o->id, info->change_mask);
+
+ info = o->info = pw_node_info_update(o->info, info);
+ if (info == NULL)
+ return;
+
+ o->params = info->params;
+ o->n_params = info->n_params;
+
+ if (info->change_mask & PW_NODE_CHANGE_MASK_STATE)
+ changed++;
+
+ if (info->change_mask & PW_NODE_CHANGE_MASK_PROPS)
+ changed++;
+
+ if (info->change_mask & PW_NODE_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ uint32_t id = info->params[i].id;
+
+ if (info->params[i].user == 0)
+ continue;
+ info->params[i].user = 0;
+
+ changed++;
+ add_param(&o->pending_list, 0, id, NULL);
+ if (!(info->params[i].flags & SPA_PARAM_INFO_READ))
+ continue;
+
+ res = pw_node_enum_params((struct pw_node*)o->proxy,
+ ++info->params[i].seq, id, 0, -1, NULL);
+ if (SPA_RESULT_IS_ASYNC(res))
+ info->params[i].seq = res;
+ }
+ }
+ if (changed) {
+ o->changed += changed;
+ core_sync(o->data);
+ }
+}
+
+static void node_event_param(void *data, int seq,
+ uint32_t id, uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct object *o = data;
+ add_param(&o->pending_list, seq, id, param);
+}
+
+static const struct pw_node_events node_events = {
+ PW_VERSION_NODE_EVENTS,
+ .info = node_event_info,
+ .param = node_event_param,
+};
+
+static void node_destroy(struct object *o)
+{
+ if (o->info) {
+ pw_node_info_free(o->info);
+ o->info = NULL;
+ }
+}
+
+static const struct class node_class = {
+ .type = PW_TYPE_INTERFACE_Node,
+ .version = PW_VERSION_NODE,
+ .events = &node_events,
+ .destroy = node_destroy,
+ .dump = node_dump,
+ .name_key = PW_KEY_NODE_NAME,
+};
+
+/* port */
+static void port_dump(struct object *o)
+{
+ static const struct flags_info fl[] = {
+ { "props", PW_PORT_CHANGE_MASK_PROPS },
+ { "params", PW_PORT_CHANGE_MASK_PARAMS },
+ { NULL, },
+ };
+
+ struct data *d = o->data;
+ struct pw_port_info *i = o->info;
+
+ put_begin(d, "info", "{", 0);
+ put_value(d, "direction", pw_direction_as_string(i->direction));
+ put_flags(d, "change-mask", i->change_mask, fl);
+ put_dict(d, "props", i->props);
+ put_params(d, "params", i->params, i->n_params, &o->param_list);
+ put_end(d, "}", 0);
+}
+
+static void port_event_info(void *data, const struct pw_port_info *info)
+{
+ struct object *o = data;
+ uint32_t i, changed = 0;
+ int res;
+
+ pw_log_debug("object %p: id:%d change-mask:%08"PRIx64, o, o->id, info->change_mask);
+
+ info = o->info = pw_port_info_update(o->info, info);
+ if (info == NULL)
+ return;
+
+ o->params = info->params;
+ o->n_params = info->n_params;
+
+ if (info->change_mask & PW_PORT_CHANGE_MASK_PROPS)
+ changed++;
+
+ if (info->change_mask & PW_PORT_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ uint32_t id = info->params[i].id;
+
+ if (info->params[i].user == 0)
+ continue;
+ info->params[i].user = 0;
+
+ changed++;
+ add_param(&o->pending_list, 0, id, NULL);
+ if (!(info->params[i].flags & SPA_PARAM_INFO_READ))
+ continue;
+
+ res = pw_port_enum_params((struct pw_port*)o->proxy,
+ ++info->params[i].seq, id, 0, -1, NULL);
+ if (SPA_RESULT_IS_ASYNC(res))
+ info->params[i].seq = res;
+ }
+ }
+ if (changed) {
+ o->changed += changed;
+ core_sync(o->data);
+ }
+}
+
+static void port_event_param(void *data, int seq,
+ uint32_t id, uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct object *o = data;
+ add_param(&o->pending_list, seq, id, param);
+}
+
+static const struct pw_port_events port_events = {
+ PW_VERSION_PORT_EVENTS,
+ .info = port_event_info,
+ .param = port_event_param,
+};
+
+static void port_destroy(struct object *o)
+{
+ if (o->info) {
+ pw_port_info_free(o->info);
+ o->info = NULL;
+ }
+}
+
+static const struct class port_class = {
+ .type = PW_TYPE_INTERFACE_Port,
+ .version = PW_VERSION_PORT,
+ .events = &port_events,
+ .destroy = port_destroy,
+ .dump = port_dump,
+ .name_key = PW_KEY_PORT_NAME,
+};
+
+/* link */
+static void link_dump(struct object *o)
+{
+ static const struct flags_info fl[] = {
+ { "state", PW_LINK_CHANGE_MASK_STATE },
+ { "format", PW_LINK_CHANGE_MASK_FORMAT },
+ { "props", PW_LINK_CHANGE_MASK_PROPS },
+ { NULL, },
+ };
+
+ struct data *d = o->data;
+ struct pw_link_info *i = o->info;
+
+ put_begin(d, "info", "{", 0);
+ put_int(d, "output-node-id", i->output_node_id);
+ put_int(d, "output-port-id", i->output_port_id);
+ put_int(d, "input-node-id", i->input_node_id);
+ put_int(d, "input-port-id", i->input_port_id);
+ put_flags(d, "change-mask", i->change_mask, fl);
+ put_value(d, "state", pw_link_state_as_string(i->state));
+ put_value(d, "error", i->error);
+ put_pod(d, "format", i->format);
+ put_dict(d, "props", i->props);
+ put_end(d, "}", 0);
+}
+
+static void link_event_info(void *data, const struct pw_link_info *info)
+{
+ struct object *o = data;
+ uint32_t changed = 0;
+
+ pw_log_debug("object %p: id:%d change-mask:%08"PRIx64, o, o->id, info->change_mask);
+
+ info = o->info = pw_link_info_update(o->info, info);
+ if (info == NULL)
+ return;
+
+ if (info->change_mask & PW_LINK_CHANGE_MASK_STATE)
+ changed++;
+
+ if (info->change_mask & PW_LINK_CHANGE_MASK_FORMAT)
+ changed++;
+
+ if (info->change_mask & PW_LINK_CHANGE_MASK_PROPS)
+ changed++;
+
+ if (changed) {
+ o->changed += changed;
+ core_sync(o->data);
+ }
+}
+
+static const struct pw_link_events link_events = {
+ PW_VERSION_PORT_EVENTS,
+ .info = link_event_info,
+};
+
+static void link_destroy(struct object *o)
+{
+ if (o->info) {
+ pw_link_info_free(o->info);
+ o->info = NULL;
+ }
+}
+
+static const struct class link_class = {
+ .type = PW_TYPE_INTERFACE_Link,
+ .version = PW_VERSION_LINK,
+ .events = &link_events,
+ .destroy = link_destroy,
+ .dump = link_dump,
+};
+
+static void json_dump_val(struct data *d, const char *key, struct spa_json *it, const char *value, int len)
+{
+ struct spa_json sub;
+ if (spa_json_is_array(value, len)) {
+ put_begin(d, key, "[", STATE_SIMPLE);
+ spa_json_enter(it, &sub);
+ while ((len = spa_json_next(&sub, &value)) > 0) {
+ json_dump_val(d, NULL, &sub, value, len);
+ }
+ put_end(d, "]", STATE_SIMPLE);
+ } else if (spa_json_is_object(value, len)) {
+ char val[1024];
+ put_begin(d, key, "{", STATE_SIMPLE);
+ spa_json_enter(it, &sub);
+ while (spa_json_get_string(&sub, val, sizeof(val)) > 0) {
+ if ((len = spa_json_next(&sub, &value)) <= 0)
+ break;
+ json_dump_val(d, val, &sub, value, len);
+ }
+ put_end(d, "}", STATE_SIMPLE);
+ } else if (spa_json_is_string(value, len)) {
+ put_encoded_string(d, key, strndupa(value, len));
+ } else {
+ put_value(d, key, strndupa(value, len));
+ }
+}
+
+static void json_dump(struct data *d, const char *key, const char *value)
+{
+ struct spa_json it[1];
+ int len;
+ const char *val;
+ spa_json_init(&it[0], value, strlen(value));
+ if ((len = spa_json_next(&it[0], &val)) >= 0)
+ json_dump_val(d, key, &it[0], val, len);
+}
+
+/* metadata */
+
+struct metadata_entry {
+ struct spa_list link;
+ uint32_t changed;
+ uint32_t subject;
+ char *key;
+ char *value;
+ char *type;
+};
+
+static void metadata_dump(struct object *o)
+{
+ struct data *d = o->data;
+ struct metadata_entry *e;
+ put_dict(d, "props", &o->props->dict);
+ put_begin(d, "metadata", "[", 0);
+ spa_list_for_each(e, &o->data_list, link) {
+ if (e->changed == 0)
+ continue;
+ put_begin(d, NULL, "{", STATE_SIMPLE);
+ put_int(d, "subject", e->subject);
+ put_value(d, "key", e->key);
+ put_value(d, "type", e->type);
+ if (e->type != NULL && spa_streq(e->type, "Spa:String:JSON"))
+ json_dump(d, "value", e->value);
+ else
+ put_value(d, "value", e->value);
+ put_end(d, "}", STATE_SIMPLE);
+ e->changed = 0;
+ }
+ put_end(d, "]", 0);
+}
+
+static struct metadata_entry *metadata_find(struct object *o, uint32_t subject, const char *key)
+{
+ struct metadata_entry *e;
+ spa_list_for_each(e, &o->data_list, link) {
+ if ((e->subject == subject) &&
+ (key == NULL || spa_streq(e->key, key)))
+ return e;
+ }
+ return NULL;
+}
+
+static int metadata_property(void *data,
+ uint32_t subject,
+ const char *key,
+ const char *type,
+ const char *value)
+{
+ struct object *o = data;
+ struct metadata_entry *e;
+
+ while ((e = metadata_find(o, subject, key)) != NULL) {
+ spa_list_remove(&e->link);
+ free(e);
+ }
+ if (key != NULL && value != NULL) {
+ size_t size = strlen(key) + 1;
+ size += strlen(value) + 1;
+ size += type ? strlen(type) + 1 : 0;
+
+ e = calloc(1, sizeof(*e) + size);
+ if (e == NULL)
+ return -errno;
+
+ e->subject = subject;
+ e->key = SPA_PTROFF(e, sizeof(*e), void);
+ strcpy(e->key, key);
+ e->value = SPA_PTROFF(e->key, strlen(e->key) + 1, void);
+ strcpy(e->value, value);
+ if (type) {
+ e->type = SPA_PTROFF(e->value, strlen(e->value) + 1, void);
+ strcpy(e->type, type);
+ } else {
+ e->type = NULL;
+ }
+ spa_list_append(&o->data_list, &e->link);
+ e->changed++;
+ }
+ o->changed++;
+ return 0;
+}
+
+static const struct pw_metadata_events metadata_events = {
+ PW_VERSION_METADATA_EVENTS,
+ .property = metadata_property,
+};
+
+static void metadata_destroy(struct object *o)
+{
+ struct metadata_entry *e;
+ spa_list_consume(e, &o->data_list, link) {
+ spa_list_remove(&e->link);
+ free(e);
+ }
+}
+
+static const struct class metadata_class = {
+ .type = PW_TYPE_INTERFACE_Metadata,
+ .version = PW_VERSION_METADATA,
+ .events = &metadata_events,
+ .destroy = metadata_destroy,
+ .dump = metadata_dump,
+ .name_key = PW_KEY_METADATA_NAME,
+};
+
+static const struct class *classes[] =
+{
+ &core_class,
+ &module_class,
+ &factory_class,
+ &client_class,
+ &device_class,
+ &node_class,
+ &port_class,
+ &link_class,
+ &metadata_class,
+};
+
+static const struct class *find_class(const char *type, uint32_t version)
+{
+ SPA_FOR_EACH_ELEMENT_VAR(classes, c) {
+ if (spa_streq((*c)->type, type) &&
+ (*c)->version <= version)
+ return *c;
+ }
+ return NULL;
+}
+
+static void
+destroy_removed(void *data)
+{
+ struct object *o = data;
+ pw_proxy_destroy(o->proxy);
+}
+
+static void
+destroy_proxy(void *data)
+{
+ struct object *o = data;
+
+ spa_hook_remove(&o->proxy_listener);
+ if (o->class != NULL) {
+ if (o->class->events)
+ spa_hook_remove(&o->object_listener);
+ if (o->class->destroy)
+ o->class->destroy(o);
+ }
+ o->proxy = NULL;
+}
+
+static const struct pw_proxy_events proxy_events = {
+ PW_VERSION_PROXY_EVENTS,
+ .removed = destroy_removed,
+ .destroy = destroy_proxy,
+};
+
+static void registry_event_global(void *data, uint32_t id,
+ uint32_t permissions, const char *type, uint32_t version,
+ const struct spa_dict *props)
+{
+ struct data *d = data;
+ struct object *o;
+
+ o = calloc(1, sizeof(*o));
+ if (o == NULL) {
+ pw_log_error("can't alloc object for %u %s/%d: %m", id, type, version);
+ return;
+ }
+ o->data = d;
+ o->id = id;
+ o->permissions = permissions;
+ o->type = strdup(type);
+ o->version = version;
+ o->props = props ? pw_properties_new_dict(props) : NULL;
+ spa_list_init(&o->param_list);
+ spa_list_init(&o->pending_list);
+ spa_list_init(&o->data_list);
+
+ o->class = find_class(type, version);
+ if (o->class != NULL) {
+ o->proxy = pw_registry_bind(d->registry,
+ id, type, o->class->version, 0);
+ if (o->proxy == NULL)
+ goto bind_failed;
+
+ pw_proxy_add_listener(o->proxy,
+ &o->proxy_listener,
+ &proxy_events, o);
+
+ if (o->class->events)
+ pw_proxy_add_object_listener(o->proxy,
+ &o->object_listener,
+ o->class->events, o);
+ else
+ o->changed++;
+ } else {
+ o->changed++;
+ }
+ spa_list_append(&d->object_list, &o->link);
+
+ core_sync(d);
+ return;
+
+bind_failed:
+ pw_log_error("can't bind object for %u %s/%d: %m", id, type, version);
+ pw_properties_free(o->props);
+ free(o);
+ return;
+}
+
+static bool object_matches(struct object *o, const char *pattern)
+{
+ uint32_t id;
+ const char *str;
+
+ if (spa_atou32(pattern, &id, 0) && o->id == id)
+ return true;
+
+ if (o->props == NULL)
+ return false;
+
+ if (strstr(o->type, pattern) != NULL)
+ return true;
+ if ((str = pw_properties_get(o->props, PW_KEY_OBJECT_PATH)) != NULL &&
+ fnmatch(pattern, str, FNM_EXTMATCH) == 0)
+ return true;
+ if ((str = pw_properties_get(o->props, PW_KEY_OBJECT_SERIAL)) != NULL &&
+ spa_streq(pattern, str))
+ return true;
+ if (o->class != NULL && o->class->name_key != NULL &&
+ (str = pw_properties_get(o->props, o->class->name_key)) != NULL &&
+ fnmatch(pattern, str, FNM_EXTMATCH) == 0)
+ return true;
+ return false;
+}
+
+static void registry_event_global_remove(void *data, uint32_t id)
+{
+ struct data *d = data;
+ struct object *o;
+
+ if ((o = find_object(d, id)) == NULL)
+ return;
+
+ d->state = STATE_FIRST;
+ if (d->pattern != NULL && !object_matches(o, d->pattern))
+ return;
+ if (d->state == STATE_FIRST)
+ put_begin(d, NULL, "[", 0);
+ put_begin(d, NULL, "{", 0);
+ put_int(d, "id", o->id);
+ if (o->class && o->class->dump)
+ put_value(d, "info", NULL);
+ else if (o->props)
+ put_value(d, "props", NULL);
+ put_end(d, "}", 0);
+ if (d->state != STATE_FIRST)
+ put_end(d, "]\n", 0);
+
+ object_destroy(o);
+}
+
+static const struct pw_registry_events registry_events = {
+ PW_VERSION_REGISTRY_EVENTS,
+ .global = registry_event_global,
+ .global_remove = registry_event_global_remove,
+};
+
+static void dump_objects(struct data *d)
+{
+ static const struct flags_info fl[] = {
+ { "r", PW_PERM_R },
+ { "w", PW_PERM_W },
+ { "x", PW_PERM_X },
+ { "m", PW_PERM_M },
+ { NULL, },
+ };
+
+ struct object *o;
+
+ d->state = STATE_FIRST;
+ spa_list_for_each(o, &d->object_list, link) {
+ if (d->pattern != NULL && !object_matches(o, d->pattern))
+ continue;
+ if (o->changed == 0)
+ continue;
+ if (d->state == STATE_FIRST)
+ put_begin(d, NULL, "[", 0);
+ put_begin(d, NULL, "{", 0);
+ put_int(d, "id", o->id);
+ put_value(d, "type", o->type);
+ put_int(d, "version", o->version);
+ put_flags(d, "permissions", o->permissions, fl);
+ if (o->class && o->class->dump)
+ o->class->dump(o);
+ else if (o->props)
+ put_dict(d, "props", &o->props->dict);
+ put_end(d, "}", 0);
+ o->changed = 0;
+ }
+ if (d->state != STATE_FIRST)
+ put_end(d, "]\n", 0);
+}
+
+static void on_core_error(void *data, uint32_t id, int seq, int res, const char *message)
+{
+ struct data *d = data;
+
+ pw_log_error("error id:%u seq:%d res:%d (%s): %s",
+ id, seq, res, spa_strerror(res), message);
+
+ if (id == PW_ID_CORE && res == -EPIPE)
+ pw_main_loop_quit(d->loop);
+}
+
+static void on_core_info(void *data, const struct pw_core_info *info)
+{
+ struct data *d = data;
+ d->info = pw_core_info_update(d->info, info);
+}
+
+static void on_core_done(void *data, uint32_t id, int seq)
+{
+ struct data *d = data;
+ struct object *o;
+
+ if (id == PW_ID_CORE) {
+ if (d->sync_seq != seq)
+ return;
+
+ pw_log_debug("sync end %u/%u", d->sync_seq, seq);
+
+ spa_list_for_each(o, &d->object_list, link)
+ object_update_params(&o->param_list, &o->pending_list,
+ o->n_params, o->params);
+
+ dump_objects(d);
+ if (!d->monitor)
+ pw_main_loop_quit(d->loop);
+ }
+}
+
+static const struct pw_core_events core_events = {
+ PW_VERSION_CORE_EVENTS,
+ .done = on_core_done,
+ .info = on_core_info,
+ .error = on_core_error,
+};
+
+static void do_quit(void *data, int signal_number)
+{
+ struct data *d = data;
+ pw_main_loop_quit(d->loop);
+}
+
+static void show_help(struct data *data, const char *name, bool error)
+{
+ fprintf(error ? stderr : stdout, "%s [options] [<id>]\n"
+ " -h, --help Show this help\n"
+ " --version Show version\n"
+ " -r, --remote Remote daemon name\n"
+ " -m, --monitor monitor changes\n"
+ " -N, --no-colors disable color output\n"
+ " -C, --color[=WHEN] whether to enable color support. WHEN is `never`, `always`, or `auto`\n",
+ name);
+}
+
+int main(int argc, char *argv[])
+{
+ struct data data = { 0 };
+ struct object *o;
+ struct pw_loop *l;
+ const char *opt_remote = NULL;
+ static const struct option long_options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, 'V' },
+ { "remote", required_argument, NULL, 'r' },
+ { "monitor", no_argument, NULL, 'm' },
+ { "no-colors", no_argument, NULL, 'N' },
+ { "color", optional_argument, NULL, 'C' },
+ { NULL, 0, NULL, 0}
+ };
+ int c;
+
+ setlocale(LC_ALL, "");
+ pw_init(&argc, &argv);
+
+ data.out = stdout;
+ if (isatty(fileno(data.out)) && getenv("NO_COLOR") == NULL)
+ colors = true;
+ setlinebuf(data.out);
+
+ while ((c = getopt_long(argc, argv, "hVr:mNC", long_options, NULL)) != -1) {
+ switch (c) {
+ case 'h' :
+ show_help(&data, argv[0], false);
+ return 0;
+ case 'V' :
+ printf("%s\n"
+ "Compiled with libpipewire %s\n"
+ "Linked with libpipewire %s\n",
+ argv[0],
+ pw_get_headers_version(),
+ pw_get_library_version());
+ return 0;
+ case 'r' :
+ opt_remote = optarg;
+ break;
+ case 'm' :
+ data.monitor = true;
+ break;
+ case 'N' :
+ colors = false;
+ break;
+ case 'C' :
+ if (optarg == NULL || !strcmp(optarg, "auto"))
+ break; /* nothing to do, tty detection was done
+ before parsing options */
+ else if (!strcmp(optarg, "never"))
+ colors = false;
+ else if (!strcmp(optarg, "always"))
+ colors = true;
+ else {
+ fprintf(stderr, "Unknown color: %s\n", optarg);
+ show_help(&data, argv[0], true);
+ return -1;
+ }
+ break;
+ default:
+ show_help(&data, argv[0], true);
+ return -1;
+ }
+ }
+
+ if (optind < argc)
+ data.pattern = argv[optind++];
+
+ data.loop = pw_main_loop_new(NULL);
+ if (data.loop == NULL) {
+ fprintf(stderr, "can't create main loop: %m\n");
+ return -1;
+ }
+
+ l = pw_main_loop_get_loop(data.loop);
+ pw_loop_add_signal(l, SIGINT, do_quit, &data);
+ pw_loop_add_signal(l, SIGTERM, do_quit, &data);
+
+ data.context = pw_context_new(l, NULL, 0);
+ if (data.context == NULL) {
+ fprintf(stderr, "can't create context: %m\n");
+ return -1;
+ }
+
+ data.core = pw_context_connect(data.context,
+ pw_properties_new(
+ PW_KEY_REMOTE_NAME, opt_remote,
+ NULL),
+ 0);
+ if (data.core == NULL) {
+ fprintf(stderr, "can't connect: %m\n");
+ return -1;
+ }
+
+ spa_list_init(&data.object_list);
+
+ pw_core_add_listener(data.core,
+ &data.core_listener,
+ &core_events, &data);
+ data.registry = pw_core_get_registry(data.core,
+ PW_VERSION_REGISTRY, 0);
+ pw_registry_add_listener(data.registry,
+ &data.registry_listener,
+ &registry_events, &data);
+
+ pw_main_loop_run(data.loop);
+
+ spa_list_consume(o, &data.object_list, link)
+ object_destroy(o);
+ if (data.info)
+ pw_core_info_free(data.info);
+
+ spa_hook_remove(&data.registry_listener);
+ pw_proxy_destroy((struct pw_proxy*)data.registry);
+ spa_hook_remove(&data.core_listener);
+ pw_context_destroy(data.context);
+ pw_main_loop_destroy(data.loop);
+ pw_deinit();
+
+ return 0;
+}