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Diffstat (limited to '')
| -rw-r--r-- | src/tools/pw-dump.c | 1664 |
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 = ¶ms[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, + ®istry_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; +} |