pipewire/src/tools/pipewire-monitor.c

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/* PipeWire
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*
* Copyright © 2018 Wim Taymans
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*
* 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:
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*
* 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.
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*/
#include <stdio.h>
#include <signal.h>
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#include <spa/debug/pod.h>
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#include <spa/debug/format.h>
#include <spa/debug/types.h>
#include <pipewire/interfaces.h>
#include <pipewire/type.h>
#include <pipewire/remote.h>
#include <pipewire/main-loop.h>
#include <pipewire/pipewire.h>
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struct proxy_data;
typedef void (*print_func_t) (struct proxy_data *data);
struct param {
struct spa_list link;
uint32_t id;
struct spa_pod *param;
};
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struct data {
struct pw_main_loop *loop;
struct pw_core *core;
struct pw_remote *remote;
struct spa_hook remote_listener;
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struct pw_core_proxy *core_proxy;
struct spa_hook core_listener;
struct pw_registry_proxy *registry_proxy;
struct spa_hook registry_listener;
struct spa_list pending_list;
};
struct proxy_data {
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struct data *data;
bool first;
struct pw_proxy *proxy;
uint32_t id;
uint32_t parent_id;
uint32_t permissions;
uint32_t version;
uint32_t type;
void *info;
pw_destroy_t destroy;
struct spa_hook proxy_listener;
struct spa_hook proxy_proxy_listener;
int pending_seq;
struct spa_list pending_link;
print_func_t print_func;
struct spa_list param_list;
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};
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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_proxy_sync(d->core_proxy, 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 int 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);
}
}
return 0;
}
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)
{
struct param *p, *t;
spa_list_for_each_safe(p, t, &data->param_list, link) {
if (p->id == id) {
spa_list_remove(&p->link);
free(p);
}
}
}
static int add_param(struct proxy_data *data, uint32_t id, const struct spa_pod *param)
{
struct param *p;
p = malloc(sizeof(struct param) + SPA_POD_SIZE(param));
if (p == NULL)
return -ENOMEM;
p->id = id;
p->param = SPA_MEMBER(p, sizeof(struct param), struct spa_pod);
memcpy(p->param, param, SPA_POD_SIZE(param));
spa_list_append(&data->param_list, &p->link);
return 0;
}
static void print_params(struct proxy_data *data, char mark)
{
struct param *p;
printf("%c\tparams:\n", mark);
spa_list_for_each(p, &data->param_list, link) {
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);
}
}
static void print_properties(const struct spa_dict *props, char mark)
{
const struct spa_dict_item *item;
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printf("%c\tproperties:\n", mark);
if (props == NULL || props->n_items == 0) {
printf("\t\tnone\n");
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return;
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}
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spa_dict_for_each(item, props) {
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if (item->value)
printf("%c\t\t%s = \"%s\"\n", mark, item->key, item->value);
else
printf("%c\t\t%s = (null)\n", mark, item->key);
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}
}
#define MARK_CHANGE(f) ((print_mark && ((info)->change_mask & (1 << (f)))) ? '*' : ' ')
static int on_core_info(void *data, const struct pw_core_info *info)
{
bool print_all = true, print_mark = false;
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printf("\ttype: %s\n", spa_debug_type_find_name(pw_type_info(), PW_TYPE_INTERFACE_Core));
printf("\tcookie: %u\n", info->cookie);
if (print_all) {
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printf("%c\tuser-name: \"%s\"\n", MARK_CHANGE(0), info->user_name);
printf("%c\thost-name: \"%s\"\n", MARK_CHANGE(1), info->host_name);
printf("%c\tversion: \"%s\"\n", MARK_CHANGE(2), info->version);
printf("%c\tname: \"%s\"\n", MARK_CHANGE(3), info->name);
print_properties(info->props, MARK_CHANGE(4));
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}
return 0;
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}
static int module_event_info(void *object, const struct pw_module_info *info)
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{
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struct proxy_data *data = object;
bool print_all, print_mark;
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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);
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printf("\tid: %d\n", data->id);
printf("\tparent_id: %d\n", data->parent_id);
printf("\tpermissions: %c%c%c\n", data->permissions & PW_PERM_R ? 'r' : '-',
data->permissions & PW_PERM_W ? 'w' : '-',
data->permissions & PW_PERM_X ? 'x' : '-');
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printf("\ttype: %s (version %d)\n",
spa_debug_type_find_name(pw_type_info(), data->type), data->version);
if (print_all) {
printf("%c\tname: \"%s\"\n", MARK_CHANGE(0), info->name);
printf("%c\tfilename: \"%s\"\n", MARK_CHANGE(1), info->filename);
printf("%c\targs: \"%s\"\n", MARK_CHANGE(2), info->args);
print_properties(info->props, MARK_CHANGE(3));
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}
return 0;
}
static const struct pw_module_proxy_events module_events = {
PW_VERSION_MODULE_PROXY_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;
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print_all = true;
if (data->first) {
printf("added:\n");
print_mark = false;
data->first = false;
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}
else {
printf("changed:\n");
print_mark = true;
}
printf("\tid: %d\n", data->id);
printf("\tparent_id: %d\n", data->parent_id);
printf("\tpermissions: %c%c%c\n", data->permissions & PW_PERM_R ? 'r' : '-',
data->permissions & PW_PERM_W ? 'w' : '-',
data->permissions & PW_PERM_X ? 'x' : '-');
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printf("\ttype: %s (version %d)\n",
spa_debug_type_find_name(pw_type_info(), data->type), data->version);
if (print_all) {
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printf("%c\tname: \"%s\"\n", MARK_CHANGE(0), info->name);
print_params(data, MARK_CHANGE(5));
printf("%c\tinput ports: %u/%u\n", MARK_CHANGE(1),
info->n_input_ports, info->max_input_ports);
printf("%c\toutput ports: %u/%u\n", MARK_CHANGE(2),
info->n_output_ports, info->max_output_ports);
printf("%c\tstate: \"%s\"", MARK_CHANGE(3), pw_node_state_as_string(info->state));
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if (info->state == PW_NODE_STATE_ERROR && info->error)
printf(" \"%s\"\n", info->error);
else
printf("\n");
print_properties(info->props, MARK_CHANGE(4));
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}
}
static int node_event_info(void *object, const struct pw_node_info *info)
{
struct proxy_data *data = object;
struct pw_node_info *old = data->info;
uint32_t i;
if (info->change_mask & PW_NODE_CHANGE_MASK_PARAMS) {
for (i = 0; i < info->n_params; i++) {
if (old != NULL && info->params[i].flags == old->params[i].flags)
continue;
remove_params(data, info->params[i].id);
if (!SPA_FLAG_CHECK(info->params[i].flags, SPA_PARAM_INFO_READ))
continue;
pw_node_proxy_enum_params((struct pw_node_proxy*)data->proxy,
0, info->params[i].id, 0, 0, NULL);
}
add_pending(data);
}
data->info = pw_node_info_update(data->info, info);
if (data->pending_seq == 0)
data->print_func(data);
return 0;
}
static int node_event_param(void *object, int seq, uint32_t id,
uint32_t index, uint32_t next, const struct spa_pod *param)
{
struct proxy_data *data = object;
return add_param(data, id, param);
}
static const struct pw_node_proxy_events node_events = {
PW_VERSION_NODE_PROXY_EVENTS,
.info = node_event_info,
.param = node_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("\tparent_id: %d\n", data->parent_id);
printf("\tpermissions: %c%c%c\n", data->permissions & PW_PERM_R ? 'r' : '-',
data->permissions & PW_PERM_W ? 'w' : '-',
data->permissions & PW_PERM_X ? 'x' : '-');
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printf("\ttype: %s (version %d)\n",
spa_debug_type_find_name(pw_type_info(), data->type), data->version);
if (print_all) {
printf(" \tdirection: \"%s\"\n", pw_direction_as_string(info->direction));
print_params(data, MARK_CHANGE(1));
print_properties(info->props, MARK_CHANGE(0));
}
}
static int port_event_info(void *object, const struct pw_port_info *info)
{
struct proxy_data *data = object;
struct pw_port_info *old = data->info;
uint32_t i;
if (info->change_mask & PW_PORT_CHANGE_MASK_PARAMS) {
for (i = 0; i < info->n_params; i++) {
if (old != NULL && info->params[i].flags == old->params[i].flags)
continue;
remove_params(data, info->params[i].id);
if (!SPA_FLAG_CHECK(info->params[i].flags, SPA_PARAM_INFO_READ))
continue;
pw_port_proxy_enum_params((struct pw_port_proxy*)data->proxy,
0, info->params[i].id, 0, 0, NULL);
}
add_pending(data);
}
data->info = pw_port_info_update(data->info, info);
if (data->pending_seq == 0)
data->print_func(data);
return 0;
}
static int port_event_param(void *object, int seq, uint32_t id,
uint32_t index, uint32_t next, const struct spa_pod *param)
{
struct proxy_data *data = object;
return add_param(data, id, param);
}
static const struct pw_port_proxy_events port_events = {
PW_VERSION_PORT_PROXY_EVENTS,
.info = port_event_info,
.param = port_event_param
};
static int factory_event_info(void *object, const struct pw_factory_info *info)
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{
struct proxy_data *data = object;
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("\tparent_id: %d\n", data->parent_id);
printf("\tpermissions: %c%c%c\n", data->permissions & PW_PERM_R ? 'r' : '-',
data->permissions & PW_PERM_W ? 'w' : '-',
data->permissions & PW_PERM_X ? 'x' : '-');
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printf("\ttype: %s (version %d)\n",
spa_debug_type_find_name(pw_type_info(), data->type), data->version);
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printf("\tname: \"%s\"\n", info->name);
printf("\tobject-type: %s/%d\n", spa_debug_type_find_name(pw_type_info(), info->type), info->version);
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if (print_all) {
print_properties(info->props, MARK_CHANGE(0));
}
return 0;
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}
static const struct pw_factory_proxy_events factory_events = {
PW_VERSION_FACTORY_PROXY_EVENTS,
.info = factory_event_info
};
static int client_event_info(void *object, const struct pw_client_info *info)
{
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struct proxy_data *data = object;
bool print_all, print_mark;
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print_all = true;
if (data->info == NULL) {
printf("added:\n");
print_mark = false;
}
else {
printf("changed:\n");
print_mark = true;
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}
info = data->info = pw_client_info_update(data->info, info);
printf("\tid: %d\n", data->id);
printf("\tparent_id: %d\n", data->parent_id);
printf("\tpermissions: %c%c%c\n", data->permissions & PW_PERM_R ? 'r' : '-',
data->permissions & PW_PERM_W ? 'w' : '-',
data->permissions & PW_PERM_X ? 'x' : '-');
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printf("\ttype: %s (version %d)\n",
spa_debug_type_find_name(pw_type_info(), data->type), data->version);
if (print_all) {
print_properties(info->props, MARK_CHANGE(0));
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}
return 0;
}
static const struct pw_client_proxy_events client_events = {
PW_VERSION_CLIENT_PROXY_EVENTS,
.info = client_event_info
};
static int link_event_info(void *object, const struct pw_link_info *info)
{
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struct proxy_data *data = object;
bool print_all, print_mark;
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print_all = true;
if (data->info == NULL) {
printf("added:\n");
print_mark = false;
}
else {
printf("changed:\n");
print_mark = true;
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}
info = data->info = pw_link_info_update(data->info, info);
printf("\tid: %d\n", data->id);
printf("\tparent_id: %d\n", data->parent_id);
printf("\tpermissions: %c%c%c\n", data->permissions & PW_PERM_R ? 'r' : '-',
data->permissions & PW_PERM_W ? 'w' : '-',
data->permissions & PW_PERM_X ? 'x' : '-');
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printf("\ttype: %s (version %d)\n",
spa_debug_type_find_name(pw_type_info(), data->type), data->version);
if (print_all) {
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printf("%c\toutput-node-id: %u\n", MARK_CHANGE(0), info->output_node_id);
printf("%c\toutput-port-id: %u\n", MARK_CHANGE(0), info->output_port_id);
printf("%c\tinput-node-id: %u\n", MARK_CHANGE(1), info->input_node_id);
printf("%c\tinput-port-id: %u\n", MARK_CHANGE(1), info->input_port_id);
printf("%c\tstate: \"%s\"", MARK_CHANGE(2), pw_link_state_as_string(info->state));
if (info->state == PW_LINK_STATE_ERROR && info->error)
printf(" \"%s\"\n", info->error);
else
printf("\n");
printf("%c\tformat:\n", MARK_CHANGE(3));
if (info->format)
spa_debug_format(2, NULL, info->format);
else
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printf("\t\tnone\n");
print_properties(info->props, MARK_CHANGE(4));
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}
return 0;
}
static const struct pw_link_proxy_events link_events = {
PW_VERSION_LINK_PROXY_EVENTS,
.info = link_event_info
};
static int device_event_info(void *object, const struct pw_device_info *info)
{
struct proxy_data *data = object;
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_device_info_update(data->info, info);
printf("\tid: %d\n", data->id);
printf("\tparent_id: %d\n", data->parent_id);
printf("\tpermissions: %c%c%c\n", data->permissions & PW_PERM_R ? 'r' : '-',
data->permissions & PW_PERM_W ? 'w' : '-',
data->permissions & PW_PERM_X ? 'x' : '-');
printf("\ttype: %s (version %d)\n",
spa_debug_type_find_name(pw_type_info(), data->type), data->version);
if (print_all) {
print_properties(info->props, MARK_CHANGE(0));
}
return 0;
}
static const struct pw_device_proxy_events device_events = {
PW_VERSION_DEVICE_PROXY_EVENTS,
.info = device_event_info
};
static void
destroy_proxy (void *data)
{
struct proxy_data *pd = data;
clear_params(pd);
remove_pending(pd);
if (pd->info == NULL)
return;
if (pd->destroy)
pd->destroy(pd->info);
pd->info = NULL;
}
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static const struct pw_proxy_events proxy_events = {
PW_VERSION_PROXY_EVENTS,
.destroy = destroy_proxy,
};
static int registry_event_global(void *data, uint32_t id, uint32_t parent_id,
uint32_t permissions, uint32_t 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;
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switch (type) {
case PW_TYPE_INTERFACE_Node:
events = &node_events;
client_version = PW_VERSION_NODE;
destroy = (pw_destroy_t) pw_node_info_free;
print_func = print_node;
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break;
case PW_TYPE_INTERFACE_Port:
events = &port_events;
client_version = PW_VERSION_PORT;
destroy = (pw_destroy_t) pw_port_info_free;
print_func = print_port;
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break;
case PW_TYPE_INTERFACE_Module:
events = &module_events;
client_version = PW_VERSION_MODULE;
destroy = (pw_destroy_t) pw_module_info_free;
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break;
case PW_TYPE_INTERFACE_Device:
events = &device_events;
client_version = PW_VERSION_DEVICE;
destroy = (pw_destroy_t) pw_device_info_free;
break;
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case PW_TYPE_INTERFACE_Factory:
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events = &factory_events;
client_version = PW_VERSION_FACTORY;
destroy = (pw_destroy_t) pw_factory_info_free;
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break;
case PW_TYPE_INTERFACE_Client:
events = &client_events;
client_version = PW_VERSION_CLIENT;
destroy = (pw_destroy_t) pw_client_info_free;
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break;
case PW_TYPE_INTERFACE_Link:
events = &link_events;
client_version = PW_VERSION_LINK;
destroy = (pw_destroy_t) pw_link_info_free;
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break;
default:
printf("added:\n");
printf("\tid: %u\n", id);
printf("\tparent_id: %d\n", parent_id);
printf("\tpermissions: %c%c%c\n", permissions & PW_PERM_R ? 'r' : '-',
permissions & PW_PERM_W ? 'w' : '-',
permissions & PW_PERM_X ? 'x' : '-');
printf("\ttype: %s (version %d)\n", spa_debug_type_find_name(pw_type_info(), type), version);
print_properties(props, ' ');
return 0;
}
proxy = pw_registry_proxy_bind(d->registry_proxy, id, type,
client_version,
sizeof(struct proxy_data));
if (proxy == NULL)
goto no_mem;
pd = pw_proxy_get_user_data(proxy);
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pd->data = d;
pd->first = true;
pd->proxy = proxy;
pd->id = id;
pd->parent_id = parent_id;
pd->permissions = permissions;
pd->version = version;
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pd->type = type;
pd->destroy = destroy;
pd->pending_seq = 0;
pd->print_func = print_func;
spa_list_init(&pd->param_list);
pw_proxy_add_proxy_listener(proxy, &pd->proxy_proxy_listener, events, pd);
pw_proxy_add_listener(proxy, &pd->proxy_listener, &proxy_events, pd);
return 0;
no_mem:
printf("failed to create proxy");
return -ENOMEM;
}
static int registry_event_global_remove(void *object, uint32_t id)
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{
printf("removed:\n");
printf("\tid: %u\n", id);
return 0;
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}
static const struct pw_registry_proxy_events registry_events = {
PW_VERSION_REGISTRY_PROXY_EVENTS,
.global = registry_event_global,
.global_remove = registry_event_global_remove,
};
static const struct pw_core_proxy_events core_events = {
PW_VERSION_CORE_EVENTS,
.info = on_core_info,
.done = on_core_done,
};
static void on_state_changed(void *_data, enum pw_remote_state old,
enum pw_remote_state state, const char *error)
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{
struct data *data = _data;
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switch (state) {
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case PW_REMOTE_STATE_ERROR:
printf("remote error: %s\n", error);
pw_main_loop_quit(data->loop);
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break;
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case PW_REMOTE_STATE_CONNECTED:
printf("remote state: \"%s\"\n", pw_remote_state_as_string(state));
data->core_proxy = pw_remote_get_core_proxy(data->remote);
pw_core_proxy_add_listener(data->core_proxy,
&data->core_listener,
&core_events, data);
data->registry_proxy = pw_core_proxy_get_registry(data->core_proxy,
PW_TYPE_INTERFACE_Registry,
PW_VERSION_REGISTRY, 0);
pw_registry_proxy_add_listener(data->registry_proxy,
&data->registry_listener,
&registry_events, data);
break;
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default:
printf("remote state: \"%s\"\n", pw_remote_state_as_string(state));
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break;
}
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}
static const struct pw_remote_events remote_events = {
PW_VERSION_REMOTE_EVENTS,
.state_changed = on_state_changed,
};
static void do_quit(void *data, int signal_number)
{
struct data *d = data;
pw_main_loop_quit(d->loop);
}
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int main(int argc, char *argv[])
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{
struct data data = { 0 };
struct pw_loop *l;
struct pw_properties *props = NULL;
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pw_init(&argc, &argv);
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data.loop = pw_main_loop_new(NULL);
if (data.loop == NULL)
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);
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data.core = pw_core_new(l, NULL, 0);
if (data.core == NULL)
return -1;
if (argc > 1)
props = pw_properties_new(PW_REMOTE_PROP_REMOTE_NAME, argv[1], NULL);
data.remote = pw_remote_new(data.core, props, 0);
if (data.remote == NULL)
return -1;
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pw_remote_add_listener(data.remote, &data.remote_listener, &remote_events, &data);
if (pw_remote_connect(data.remote) < 0)
return -1;
spa_list_init(&data.pending_list);
pw_main_loop_run(data.loop);
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pw_remote_destroy(data.remote);
pw_core_destroy(data.core);
pw_main_loop_destroy(data.loop);
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return 0;
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}