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-rw-r--r--src/tools/pw-mon.c875
1 files changed, 875 insertions, 0 deletions
diff --git a/src/tools/pw-mon.c b/src/tools/pw-mon.c
new file mode 100644
index 0000000..2eeb4dd
--- /dev/null
+++ b/src/tools/pw-mon.c
@@ -0,0 +1,875 @@
+/* PipeWire
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * 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 <stdio.h>
+#include <signal.h>
+#include <getopt.h>
+#include <unistd.h>
+#include <locale.h>
+
+#include <spa/utils/result.h>
+#include <spa/utils/string.h>
+#include <spa/utils/ansi.h>
+#include <spa/debug/pod.h>
+#include <spa/debug/format.h>
+#include <spa/debug/types.h>
+
+#include <pipewire/pipewire.h>
+
+struct proxy_data;
+
+typedef void (*print_func_t) (struct proxy_data *data);
+
+static struct pprefix {
+ const char *prefix;
+ const char *suffix;
+} pprefix[2] = {
+ { .prefix = " ", .suffix = "" },
+ { .prefix = "*", .suffix = "" },
+};
+
+#define with_prefix(use_prefix_) \
+ for (bool once_ = !!printf("%s", (pprefix[!!(use_prefix_)]).prefix); \
+ once_; \
+ once_ = false, printf("%s", (pprefix[!!(use_prefix_)]).suffix))
+
+
+struct param {
+ struct spa_list link;
+ uint32_t id;
+ int seq;
+ struct spa_pod *param;
+ unsigned int changed:1;
+};
+
+struct data {
+ struct pw_main_loop *loop;
+ struct pw_context *context;
+
+ struct pw_core *core;
+ struct spa_hook core_listener;
+
+ struct pw_registry *registry;
+ struct spa_hook registry_listener;
+
+ struct spa_list pending_list;
+ struct spa_list global_list;
+};
+
+struct proxy_data {
+ struct data *data;
+ bool first;
+ struct pw_proxy *proxy;
+ uint32_t id;
+ uint32_t permissions;
+ uint32_t version;
+ char *type;
+ void *info;
+ pw_destroy_t destroy;
+ struct spa_hook proxy_listener;
+ struct spa_hook object_listener;
+ int pending_seq;
+ struct spa_list global_link;
+ struct spa_list pending_link;
+ print_func_t print_func;
+ struct spa_list param_list;
+};
+
+static void add_pending(struct proxy_data *pd)
+{
+ struct data *d = pd->data;
+
+ if (pd->pending_seq == 0) {
+ spa_list_append(&d->pending_list, &pd->pending_link);
+ }
+ pd->pending_seq = pw_core_sync(d->core, 0, pd->pending_seq);
+}
+
+static void remove_pending(struct proxy_data *pd)
+{
+ if (pd->pending_seq != 0) {
+ spa_list_remove(&pd->pending_link);
+ pd->pending_seq = 0;
+ }
+}
+
+static void on_core_done(void *data, uint32_t id, int seq)
+{
+ struct data *d = data;
+ struct proxy_data *pd, *t;
+
+ spa_list_for_each_safe(pd, t, &d->pending_list, pending_link) {
+ if (pd->pending_seq == seq) {
+ remove_pending(pd);
+ pd->print_func(pd);
+ }
+ }
+}
+
+static void clear_params(struct proxy_data *data)
+{
+ struct param *p;
+ spa_list_consume(p, &data->param_list, link) {
+ spa_list_remove(&p->link);
+ free(p);
+ }
+}
+
+static void remove_params(struct proxy_data *data, uint32_t id, int seq)
+{
+ struct param *p, *t;
+
+ spa_list_for_each_safe(p, t, &data->param_list, link) {
+ if (p->id == id && seq != p->seq) {
+ spa_list_remove(&p->link);
+ free(p);
+ }
+ }
+}
+
+static void event_param(void *_data, int seq, uint32_t id,
+ uint32_t index, uint32_t next, const struct spa_pod *param)
+{
+ struct proxy_data *data = _data;
+ struct param *p;
+
+ /* remove all params with the same id and older seq */
+ remove_params(data, id, seq);
+
+ /* add new param */
+ p = malloc(sizeof(struct param) + SPA_POD_SIZE(param));
+ if (p == NULL) {
+ pw_log_error("can't add param: %m");
+ return;
+ }
+
+ p->id = id;
+ p->seq = seq;
+ p->param = SPA_PTROFF(p, sizeof(struct param), struct spa_pod);
+ p->changed = true;
+ memcpy(p->param, param, SPA_POD_SIZE(param));
+ spa_list_append(&data->param_list, &p->link);
+}
+
+static void print_params(struct proxy_data *data, bool use_prefix)
+{
+ struct param *p;
+
+ with_prefix(use_prefix) {
+ printf("\tparams:\n");
+ }
+
+ spa_list_for_each(p, &data->param_list, link) {
+ with_prefix(p->changed) {
+ printf("\t id:%u (%s)\n",
+ p->id,
+ spa_debug_type_find_name(spa_type_param, p->id));
+ if (spa_pod_is_object_type(p->param, SPA_TYPE_OBJECT_Format))
+ spa_debug_format(10, NULL, p->param);
+ else
+ spa_debug_pod(10, NULL, p->param);
+ }
+ p->changed = false;
+ }
+}
+
+static void print_properties(const struct spa_dict *props, bool use_prefix)
+{
+ const struct spa_dict_item *item;
+
+ with_prefix(use_prefix) {
+ printf("\tproperties:\n");
+ if (props == NULL || props->n_items == 0) {
+ printf("\t\tnone\n");
+ return;
+ }
+ }
+
+ spa_dict_for_each(item, props) {
+ with_prefix(use_prefix) {
+ if (item->value)
+ printf("\t\t%s = \"%s\"\n", item->key, item->value);
+ else
+ printf("\t\t%s = (null)\n", item->key);
+ }
+ }
+}
+
+#define MARK_CHANGE(f) (!!(print_mark && ((info)->change_mask & (f))))
+
+static void on_core_info(void *data, const struct pw_core_info *info)
+{
+ bool print_all = true, print_mark = true;
+
+ printf("\ttype: %s\n", PW_TYPE_INTERFACE_Core);
+ printf("\tcookie: %u\n", info->cookie);
+ printf("\tuser-name: \"%s\"\n", info->user_name);
+ printf("\thost-name: \"%s\"\n", info->host_name);
+ printf("\tversion: \"%s\"\n", info->version);
+ printf("\tname: \"%s\"\n", info->name);
+ if (print_all) {
+ print_properties(info->props, MARK_CHANGE(PW_CORE_CHANGE_MASK_PROPS));
+ }
+}
+
+static void module_event_info(void *_data, const struct pw_module_info *info)
+{
+ struct proxy_data *data = _data;
+ bool print_all, print_mark;
+
+ print_all = true;
+ if (data->info == NULL) {
+ printf("added:\n");
+ print_mark = false;
+ }
+ else {
+ printf("changed:\n");
+ print_mark = true;
+ }
+
+ info = data->info = pw_module_info_update(data->info, info);
+
+ printf("\tid: %d\n", data->id);
+ printf("\tpermissions: "PW_PERMISSION_FORMAT"\n",
+ PW_PERMISSION_ARGS(data->permissions));
+ printf("\ttype: %s (version %d)\n", data->type, data->version);
+ printf("\tname: \"%s\"\n", info->name);
+ printf("\tfilename: \"%s\"\n", info->filename);
+ printf("\targs: \"%s\"\n", info->args);
+ if (print_all) {
+ print_properties(info->props, MARK_CHANGE(PW_MODULE_CHANGE_MASK_PROPS));
+ }
+}
+
+static const struct pw_module_events module_events = {
+ PW_VERSION_MODULE_EVENTS,
+ .info = module_event_info,
+};
+
+static void print_node(struct proxy_data *data)
+{
+ struct pw_node_info *info = data->info;
+ bool print_all, print_mark;
+
+ print_all = true;
+ if (data->first) {
+ printf("added:\n");
+ print_mark = false;
+ data->first = false;
+ }
+ else {
+ printf("changed:\n");
+ print_mark = true;
+ }
+
+ printf("\tid: %d\n", data->id);
+ printf("\tpermissions: "PW_PERMISSION_FORMAT"\n",
+ PW_PERMISSION_ARGS(data->permissions));
+ printf("\ttype: %s (version %d)\n", data->type, data->version);
+ if (print_all) {
+ print_params(data, MARK_CHANGE(PW_NODE_CHANGE_MASK_PARAMS));
+ with_prefix(MARK_CHANGE(PW_NODE_CHANGE_MASK_INPUT_PORTS)) {
+ printf("\tinput ports: %u/%u\n",
+ info->n_input_ports, info->max_input_ports);
+ }
+ with_prefix(MARK_CHANGE(PW_NODE_CHANGE_MASK_OUTPUT_PORTS)) {
+ printf("\toutput ports: %u/%u\n",
+ info->n_output_ports, info->max_output_ports);
+ }
+ with_prefix(MARK_CHANGE(PW_NODE_CHANGE_MASK_STATE)) {
+ printf("\tstate: \"%s\"",
+ pw_node_state_as_string(info->state));
+ }
+ if (info->state == PW_NODE_STATE_ERROR && info->error)
+ printf(" \"%s\"\n", info->error);
+ else
+ printf("\n");
+ print_properties(info->props, MARK_CHANGE(PW_NODE_CHANGE_MASK_PROPS));
+ }
+}
+
+static void node_event_info(void *_data, const struct pw_node_info *info)
+{
+ struct proxy_data *data = _data;
+ uint32_t i;
+
+ info = data->info = pw_node_info_update(data->info, info);
+
+ if (info->change_mask & PW_NODE_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ if (info->params[i].user == 0)
+ continue;
+ remove_params(data, info->params[i].id, 0);
+ if (!SPA_FLAG_IS_SET(info->params[i].flags, SPA_PARAM_INFO_READ))
+ continue;
+ pw_node_enum_params((struct pw_node*)data->proxy,
+ 0, info->params[i].id, 0, 0, NULL);
+ info->params[i].user = 0;
+ }
+ add_pending(data);
+ }
+
+ if (data->pending_seq == 0)
+ data->print_func(data);
+}
+
+static const struct pw_node_events node_events = {
+ PW_VERSION_NODE_EVENTS,
+ .info = node_event_info,
+ .param = event_param
+};
+
+static void print_port(struct proxy_data *data)
+{
+ struct pw_port_info *info = data->info;
+ bool print_all, print_mark;
+
+ print_all = true;
+ if (data->first) {
+ printf("added:\n");
+ print_mark = false;
+ data->first = false;
+ }
+ else {
+ printf("changed:\n");
+ print_mark = true;
+ }
+
+ printf("\tid: %d\n", data->id);
+ printf("\tpermissions: "PW_PERMISSION_FORMAT"\n",
+ PW_PERMISSION_ARGS(data->permissions));
+ printf("\ttype: %s (version %d)\n", data->type, data->version);
+
+ printf("\tdirection: \"%s\"\n", pw_direction_as_string(info->direction));
+ if (print_all) {
+ print_params(data, MARK_CHANGE(PW_PORT_CHANGE_MASK_PARAMS));
+ print_properties(info->props, MARK_CHANGE(PW_PORT_CHANGE_MASK_PROPS));
+ }
+}
+
+static void port_event_info(void *_data, const struct pw_port_info *info)
+{
+ struct proxy_data *data = _data;
+ uint32_t i;
+
+ info = data->info = pw_port_info_update(data->info, info);
+
+ if (info->change_mask & PW_PORT_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ if (info->params[i].user == 0)
+ continue;
+ remove_params(data, info->params[i].id, 0);
+ if (!SPA_FLAG_IS_SET(info->params[i].flags, SPA_PARAM_INFO_READ))
+ continue;
+ pw_port_enum_params((struct pw_port*)data->proxy,
+ 0, info->params[i].id, 0, 0, NULL);
+ info->params[i].user = 0;
+ }
+ add_pending(data);
+ }
+
+ if (data->pending_seq == 0)
+ data->print_func(data);
+}
+
+static const struct pw_port_events port_events = {
+ PW_VERSION_PORT_EVENTS,
+ .info = port_event_info,
+ .param = event_param
+};
+
+static void factory_event_info(void *_data, const struct pw_factory_info *info)
+{
+ struct proxy_data *data = _data;
+ bool print_all, print_mark;
+
+ print_all = true;
+ if (data->info == NULL) {
+ printf("added:\n");
+ print_mark = false;
+ }
+ else {
+ printf("changed:\n");
+ print_mark = true;
+ }
+
+ info = data->info = pw_factory_info_update(data->info, info);
+
+ printf("\tid: %d\n", data->id);
+ printf("\tpermissions: "PW_PERMISSION_FORMAT"\n",
+ PW_PERMISSION_ARGS(data->permissions));
+ printf("\ttype: %s (version %d)\n", data->type, data->version);
+
+ printf("\tname: \"%s\"\n", info->name);
+ printf("\tobject-type: %s/%d\n", info->type, info->version);
+ if (print_all) {
+ print_properties(info->props, MARK_CHANGE(PW_FACTORY_CHANGE_MASK_PROPS));
+ }
+}
+
+static const struct pw_factory_events factory_events = {
+ PW_VERSION_FACTORY_EVENTS,
+ .info = factory_event_info
+};
+
+static void client_event_info(void *_data, const struct pw_client_info *info)
+{
+ struct proxy_data *data = _data;
+ bool print_all, print_mark;
+
+ print_all = true;
+ if (data->info == NULL) {
+ printf("added:\n");
+ print_mark = false;
+ }
+ else {
+ printf("changed:\n");
+ print_mark = true;
+ }
+
+ info = data->info = pw_client_info_update(data->info, info);
+
+ printf("\tid: %d\n", data->id);
+ printf("\tpermissions: "PW_PERMISSION_FORMAT"\n",
+ PW_PERMISSION_ARGS(data->permissions));
+ printf("\ttype: %s (version %d)\n", data->type, data->version);
+
+ if (print_all) {
+ print_properties(info->props, MARK_CHANGE(PW_CLIENT_CHANGE_MASK_PROPS));
+ }
+}
+
+static const struct pw_client_events client_events = {
+ PW_VERSION_CLIENT_EVENTS,
+ .info = client_event_info
+};
+
+static void link_event_info(void *_data, const struct pw_link_info *info)
+{
+ struct proxy_data *data = _data;
+ bool print_all, print_mark;
+
+ print_all = true;
+ if (data->info == NULL) {
+ printf("added:\n");
+ print_mark = false;
+ }
+ else {
+ printf("changed:\n");
+ print_mark = true;
+ }
+
+ info = data->info = pw_link_info_update(data->info, info);
+
+ printf("\tid: %d\n", data->id);
+ printf("\tpermissions: "PW_PERMISSION_FORMAT"\n",
+ PW_PERMISSION_ARGS(data->permissions));
+ printf("\ttype: %s (version %d)\n", data->type, data->version);
+
+ printf("\toutput-node-id: %u\n", info->output_node_id);
+ printf("\toutput-port-id: %u\n", info->output_port_id);
+ printf("\tinput-node-id: %u\n", info->input_node_id);
+ printf("\tinput-port-id: %u\n", info->input_port_id);
+ if (print_all) {
+ with_prefix(MARK_CHANGE(PW_LINK_CHANGE_MASK_STATE)) {
+ printf("\tstate: \"%s\"",
+ pw_link_state_as_string(info->state));
+ }
+ if (info->state == PW_LINK_STATE_ERROR && info->error)
+ printf(" \"%s\"\n", info->error);
+ else
+ printf("\n");
+ with_prefix(MARK_CHANGE(PW_LINK_CHANGE_MASK_FORMAT)) {
+ printf("\tformat:\n");
+ if (info->format)
+ spa_debug_format(2, NULL, info->format);
+ else
+ printf("\t\tnone\n");
+ }
+ print_properties(info->props, MARK_CHANGE(PW_LINK_CHANGE_MASK_PROPS));
+ }
+}
+
+static const struct pw_link_events link_events = {
+ PW_VERSION_LINK_EVENTS,
+ .info = link_event_info
+};
+
+static void print_device(struct proxy_data *data)
+{
+ struct pw_device_info *info = data->info;
+ bool print_all, print_mark;
+
+ print_all = true;
+ if (data->first) {
+ printf("added:\n");
+ print_mark = false;
+ data->first = false;
+ }
+ else {
+ printf("changed:\n");
+ print_mark = true;
+ }
+
+ printf("\tid: %d\n", data->id);
+ printf("\tpermissions: "PW_PERMISSION_FORMAT"\n",
+ PW_PERMISSION_ARGS(data->permissions));
+ printf("\ttype: %s (version %d)\n", data->type, data->version);
+
+ if (print_all) {
+ print_params(data, MARK_CHANGE(PW_DEVICE_CHANGE_MASK_PARAMS));
+ print_properties(info->props, MARK_CHANGE(PW_DEVICE_CHANGE_MASK_PROPS));
+ }
+}
+
+
+static void device_event_info(void *_data, const struct pw_device_info *info)
+{
+ struct proxy_data *data = _data;
+ uint32_t i;
+
+ info = data->info = pw_device_info_update(data->info, info);
+
+ if (info->change_mask & PW_DEVICE_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ if (info->params[i].user == 0)
+ continue;
+ remove_params(data, info->params[i].id, 0);
+ if (!SPA_FLAG_IS_SET(info->params[i].flags, SPA_PARAM_INFO_READ))
+ continue;
+ pw_device_enum_params((struct pw_device*)data->proxy,
+ 0, info->params[i].id, 0, 0, NULL);
+ info->params[i].user = 0;
+ }
+ add_pending(data);
+ }
+ if (data->pending_seq == 0)
+ data->print_func(data);
+}
+
+static const struct pw_device_events device_events = {
+ PW_VERSION_DEVICE_EVENTS,
+ .info = device_event_info,
+ .param = event_param
+};
+
+static void
+removed_proxy (void *data)
+{
+ struct proxy_data *pd = data;
+ pw_proxy_destroy(pd->proxy);
+}
+
+static void
+destroy_proxy (void *data)
+{
+ struct proxy_data *pd = data;
+
+ spa_list_remove(&pd->global_link);
+
+ spa_hook_remove(&pd->object_listener);
+ spa_hook_remove(&pd->proxy_listener);
+
+ clear_params(pd);
+ remove_pending(pd);
+ free(pd->type);
+
+ if (pd->info == NULL)
+ return;
+ if (pd->destroy)
+ pd->destroy(pd->info);
+ pd->info = NULL;
+}
+
+static const struct pw_proxy_events proxy_events = {
+ PW_VERSION_PROXY_EVENTS,
+ .removed = removed_proxy,
+ .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 pw_proxy *proxy;
+ uint32_t client_version;
+ const void *events;
+ struct proxy_data *pd;
+ pw_destroy_t destroy;
+ print_func_t print_func = NULL;
+
+ if (spa_streq(type, PW_TYPE_INTERFACE_Node)) {
+ events = &node_events;
+ client_version = PW_VERSION_NODE;
+ destroy = (pw_destroy_t) pw_node_info_free;
+ print_func = print_node;
+ } else if (spa_streq(type, PW_TYPE_INTERFACE_Port)) {
+ events = &port_events;
+ client_version = PW_VERSION_PORT;
+ destroy = (pw_destroy_t) pw_port_info_free;
+ print_func = print_port;
+ } else if (spa_streq(type, PW_TYPE_INTERFACE_Module)) {
+ events = &module_events;
+ client_version = PW_VERSION_MODULE;
+ destroy = (pw_destroy_t) pw_module_info_free;
+ } else if (spa_streq(type, PW_TYPE_INTERFACE_Device)) {
+ events = &device_events;
+ client_version = PW_VERSION_DEVICE;
+ destroy = (pw_destroy_t) pw_device_info_free;
+ print_func = print_device;
+ } else if (spa_streq(type, PW_TYPE_INTERFACE_Factory)) {
+ events = &factory_events;
+ client_version = PW_VERSION_FACTORY;
+ destroy = (pw_destroy_t) pw_factory_info_free;
+ } else if (spa_streq(type, PW_TYPE_INTERFACE_Client)) {
+ events = &client_events;
+ client_version = PW_VERSION_CLIENT;
+ destroy = (pw_destroy_t) pw_client_info_free;
+ } else if (spa_streq(type, PW_TYPE_INTERFACE_Link)) {
+ events = &link_events;
+ client_version = PW_VERSION_LINK;
+ destroy = (pw_destroy_t) pw_link_info_free;
+ } else {
+ printf("added:\n");
+ printf("\tid: %u\n", id);
+ printf("\tpermissions: "PW_PERMISSION_FORMAT"\n",
+ PW_PERMISSION_ARGS(permissions));
+ printf("\ttype: %s (version %d)\n", type, version);
+ print_properties(props, false);
+ return;
+ }
+
+ proxy = pw_registry_bind(d->registry, id, type,
+ client_version,
+ sizeof(struct proxy_data));
+ if (proxy == NULL)
+ goto no_mem;
+
+ pd = pw_proxy_get_user_data(proxy);
+ pd->data = d;
+ pd->first = true;
+ pd->proxy = proxy;
+ pd->id = id;
+ pd->permissions = permissions;
+ pd->version = version;
+ pd->type = strdup(type);
+ pd->destroy = destroy;
+ pd->pending_seq = 0;
+ pd->print_func = print_func;
+ spa_list_init(&pd->param_list);
+ pw_proxy_add_object_listener(proxy, &pd->object_listener, events, pd);
+ pw_proxy_add_listener(proxy, &pd->proxy_listener, &proxy_events, pd);
+ spa_list_append(&d->global_list, &pd->global_link);
+
+ return;
+
+no_mem:
+ fprintf(stderr, "failed to create proxy");
+ return;
+}
+
+static struct proxy_data *find_proxy(struct data *d, uint32_t id)
+{
+ struct proxy_data *pd;
+ spa_list_for_each(pd, &d->global_list, global_link) {
+ if (pd->id == id)
+ return pd;
+ }
+ return NULL;
+}
+
+static void registry_event_global_remove(void *data, uint32_t id)
+{
+ struct data *d = data;
+ struct proxy_data *pd;
+
+ printf("removed:\n");
+ printf("\tid: %u\n", id);
+
+ pd = find_proxy(d, id);
+ if (pd == NULL)
+ return;
+ if (pd->proxy)
+ pw_proxy_destroy(pd->proxy);
+}
+
+static const struct pw_registry_events registry_events = {
+ PW_VERSION_REGISTRY_EVENTS,
+ .global = registry_event_global,
+ .global_remove = registry_event_global_remove,
+};
+
+static void on_core_error(void *_data, uint32_t id, int seq, int res, const char *message)
+{
+ struct data *data = _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(data->loop);
+}
+
+static const struct pw_core_events core_events = {
+ PW_VERSION_CORE_EVENTS,
+ .info = on_core_info,
+ .done = on_core_done,
+ .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(const char *name, bool error)
+{
+ fprintf(error ? stderr : stdout, "%s [options]\n"
+ " -h, --help Show this help\n"
+ " --version Show version\n"
+ " -r, --remote Remote daemon name\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 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' },
+ { "no-colors", no_argument, NULL, 'N' },
+ { "color", optional_argument, NULL, 'C' },
+ { NULL, 0, NULL, 0}
+ };
+ int c;
+ bool colors = false;
+
+ setlocale(LC_ALL, "");
+ pw_init(&argc, &argv);
+
+ setlinebuf(stdout);
+
+ if (isatty(STDERR_FILENO) && getenv("NO_COLOR") == NULL)
+ colors = true;
+
+ while ((c = getopt_long(argc, argv, "hVr:NC", long_options, NULL)) != -1) {
+ switch (c) {
+ case 'h':
+ show_help(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 '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, "Invalid color: %s\n", optarg);
+ show_help(argv[0], true);
+ return -1;
+ }
+ break;
+ default:
+ show_help(argv[0], true);
+ return -1;
+ }
+ }
+
+ if (colors) {
+ pprefix[1].prefix = SPA_ANSI_RED "*";
+ pprefix[1].suffix = SPA_ANSI_RESET;
+ }
+
+ 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;
+ }
+
+ spa_list_init(&data.pending_list);
+ spa_list_init(&data.global_list);
+
+ 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;
+ }
+
+ 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_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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 13:02:05 +0000