diff options
Diffstat (limited to 'src/tools/pw-cli.c')
-rw-r--r-- | src/tools/pw-cli.c | 2375 |
1 files changed, 2375 insertions, 0 deletions
diff --git a/src/tools/pw-cli.c b/src/tools/pw-cli.c new file mode 100644 index 0000000..53a3384 --- /dev/null +++ b/src/tools/pw-cli.c @@ -0,0 +1,2375 @@ +/* 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 "config.h" + +#include <unistd.h> +#include <errno.h> +#include <stdio.h> +#include <signal.h> +#include <string.h> +#include <ctype.h> +#if !defined(__FreeBSD__) && !defined(__MidnightBSD__) +#include <alloca.h> +#endif +#include <getopt.h> +#include <fnmatch.h> +#ifdef HAVE_READLINE +#include <readline/readline.h> +#include <readline/history.h> +#endif +#include <locale.h> + +#if !defined(FNM_EXTMATCH) +#define FNM_EXTMATCH 0 +#endif + +#define spa_debug(fmt,...) printf(fmt"\n", ## __VA_ARGS__) + +#include <spa/utils/result.h> +#include <spa/utils/string.h> +#include <spa/debug/pod.h> +#include <spa/utils/keys.h> +#include <spa/utils/json-pod.h> +#include <spa/pod/builder.h> + +#include <pipewire/impl.h> +#include <pipewire/i18n.h> + +#include <pipewire/extensions/session-manager.h> + +static const char WHITESPACE[] = " \t"; +static char prompt[64]; + +struct remote_data; +struct proxy_data; + +typedef void (*info_func_t) (struct proxy_data *pd); + +struct class { + const char *type; + uint32_t version; + const void *events; + pw_destroy_t destroy; + info_func_t info; + const char *name_key; +}; + +struct data { + struct pw_main_loop *loop; + struct pw_context *context; + + struct spa_list remotes; + struct remote_data *current; + + struct pw_map vars; + unsigned int interactive:1; + unsigned int monitoring:1; + unsigned int quit:1; +}; + +struct global { + struct remote_data *rd; + uint32_t id; + uint32_t permissions; + uint32_t version; + char *type; + const struct class *class; + struct pw_proxy *proxy; + bool info_pending; + struct pw_properties *properties; +}; + +struct remote_data { + struct spa_list link; + struct data *data; + + char *name; + uint32_t id; + + int prompt_pending; + + struct pw_core *core; + struct spa_hook core_listener; + struct spa_hook proxy_core_listener; + struct pw_registry *registry; + struct spa_hook registry_listener; + + struct pw_map globals; +}; + + +struct proxy_data { + struct remote_data *rd; + struct global *global; + struct pw_proxy *proxy; + void *info; + const struct class *class; + struct spa_hook proxy_listener; + struct spa_hook object_listener; +}; + +struct command { + const char *name; + const char *alias; + const char *description; + bool (*func) (struct data *data, const char *cmd, char *args, char **error); +}; + +static struct spa_dict * global_props(struct global *global); +static struct global * obj_global(struct remote_data *rd, uint32_t id); +static int children_of(struct remote_data *rd, uint32_t parent_id, + const char *child_type, uint32_t **children); + +static void print_properties(struct spa_dict *props, char mark, bool header) +{ + const struct spa_dict_item *item; + + if (header) + printf("%c\tproperties:\n", mark); + if (props == NULL || props->n_items == 0) { + if (header) + printf("\t\tnone\n"); + return; + } + + spa_dict_for_each(item, props) { + printf("%c\t\t%s = \"%s\"\n", mark, item->key, item->value); + } +} + +static void print_params(struct spa_param_info *params, uint32_t n_params, char mark, bool header) +{ + uint32_t i; + + if (header) + printf("%c\tparams: (%u)\n", mark, n_params); + if (params == NULL || n_params == 0) { + if (header) + printf("\t\tnone\n"); + return; + } + for (i = 0; i < n_params; i++) { + const struct spa_type_info *type_info = spa_type_param; + + printf("%c\t %d (%s) %c%c\n", + params[i].user > 0 ? mark : ' ', params[i].id, + spa_debug_type_find_name(type_info, params[i].id), + params[i].flags & SPA_PARAM_INFO_READ ? 'r' : '-', + params[i].flags & SPA_PARAM_INFO_WRITE ? 'w' : '-'); + params[i].user = 0; + } +} + +static bool do_not_implemented(struct data *data, const char *cmd, char *args, char **error) +{ + *error = spa_aprintf("Command \"%s\" not yet implemented", cmd); + return false; +} + +static bool do_help(struct data *data, const char *cmd, char *args, char **error); +static bool do_load_module(struct data *data, const char *cmd, char *args, char **error); +static bool do_list_objects(struct data *data, const char *cmd, char *args, char **error); +static bool do_connect(struct data *data, const char *cmd, char *args, char **error); +static bool do_disconnect(struct data *data, const char *cmd, char *args, char **error); +static bool do_list_remotes(struct data *data, const char *cmd, char *args, char **error); +static bool do_switch_remote(struct data *data, const char *cmd, char *args, char **error); +static bool do_info(struct data *data, const char *cmd, char *args, char **error); +static bool do_create_device(struct data *data, const char *cmd, char *args, char **error); +static bool do_create_node(struct data *data, const char *cmd, char *args, char **error); +static bool do_destroy(struct data *data, const char *cmd, char *args, char **error); +static bool do_create_link(struct data *data, const char *cmd, char *args, char **error); +static bool do_export_node(struct data *data, const char *cmd, char *args, char **error); +static bool do_enum_params(struct data *data, const char *cmd, char *args, char **error); +static bool do_set_param(struct data *data, const char *cmd, char *args, char **error); +static bool do_permissions(struct data *data, const char *cmd, char *args, char **error); +static bool do_get_permissions(struct data *data, const char *cmd, char *args, char **error); +static bool do_send_command(struct data *data, const char *cmd, char *args, char **error); +static bool do_quit(struct data *data, const char *cmd, char *args, char **error); + +#define DUMP_NAMES "Core|Module|Device|Node|Port|Factory|Client|Link|Session|Endpoint|EndpointStream" + +static const struct command command_list[] = { + { "help", "h", "Show this help", do_help }, + { "load-module", "lm", "Load a module. <module-name> [<module-arguments>]", do_load_module }, + { "unload-module", "um", "Unload a module. <module-var>", do_not_implemented }, + { "connect", "con", "Connect to a remote. [<remote-name>]", do_connect }, + { "disconnect", "dis", "Disconnect from a remote. [<remote-var>]", do_disconnect }, + { "list-remotes", "lr", "List connected remotes.", do_list_remotes }, + { "switch-remote", "sr", "Switch between current remotes. [<remote-var>]", do_switch_remote }, + { "list-objects", "ls", "List objects or current remote. [<interface>]", do_list_objects }, + { "info", "i", "Get info about an object. <object-id>|all", do_info }, + { "create-device", "cd", "Create a device from a factory. <factory-name> [<properties>]", do_create_device }, + { "create-node", "cn", "Create a node from a factory. <factory-name> [<properties>]", do_create_node }, + { "destroy", "d", "Destroy a global object. <object-id>", do_destroy }, + { "create-link", "cl", "Create a link between nodes. <node-id> <port-id> <node-id> <port-id> [<properties>]", do_create_link }, + { "export-node", "en", "Export a local node to the current remote. <node-id> [remote-var]", do_export_node }, + { "enum-params", "e", "Enumerate params of an object <object-id> <param-id>", do_enum_params }, + { "set-param", "s", "Set param of an object <object-id> <param-id> <param-json>", do_set_param }, + { "permissions", "sp", "Set permissions for a client <client-id> <object> <permission>", do_permissions }, + { "get-permissions", "gp", "Get permissions of a client <client-id>", do_get_permissions }, + { "send-command", "c", "Send a command <object-id>", do_send_command }, + { "quit", "q", "Quit", do_quit }, +}; + +static bool do_quit(struct data *data, const char *cmd, char *args, char **error) +{ + pw_main_loop_quit(data->loop); + data->quit = true; + return true; +} + +static bool do_help(struct data *data, const char *cmd, char *args, char **error) +{ + printf("Available commands:\n"); + SPA_FOR_EACH_ELEMENT_VAR(command_list, c) { + char cmd[256]; + snprintf(cmd, sizeof(cmd), "%s | %s", c->name, c->alias); + printf("\t%-20.20s\t%s\n", cmd, c->description); + } + return true; +} + +static bool do_load_module(struct data *data, const char *cmd, char *args, char **error) +{ + struct pw_impl_module *module; + char *a[2]; + int n; + uint32_t id; + + n = pw_split_ip(args, WHITESPACE, 2, a); + if (n < 1) { + *error = spa_aprintf("%s <module-name> [<module-arguments>]", cmd); + return false; + } + + module = pw_context_load_module(data->context, a[0], n == 2 ? a[1] : NULL, NULL); + if (module == NULL) { + *error = spa_aprintf("Could not load module"); + return false; + } + + id = pw_map_insert_new(&data->vars, module); + if (data->interactive) + printf("%d = @module:%d\n", id, pw_global_get_id(pw_impl_module_get_global(module))); + + return true; +} + +static void on_core_info(void *_data, const struct pw_core_info *info) +{ + struct remote_data *rd = _data; + free(rd->name); + rd->name = info->name ? strdup(info->name) : NULL; + if (rd->data->interactive) + printf("remote %d is named '%s'\n", rd->id, rd->name); +} + +static void set_prompt(struct remote_data *rd) +{ + snprintf(prompt, sizeof(prompt), "%s>> ", rd->name); +#ifdef HAVE_READLINE + rl_set_prompt(prompt); +#else + printf("%s", prompt); + fflush(stdout); +#endif +} + +static void on_core_done(void *_data, uint32_t id, int seq) +{ + struct remote_data *rd = _data; + struct data *d = rd->data; + + if (seq == rd->prompt_pending) { + if (d->interactive) { + set_prompt(rd); + rd->data->monitoring = true; + } else { + pw_main_loop_quit(d->loop); + } + } +} + +static bool global_matches(struct global *g, const char *pattern) +{ + const char *str; + + if (g->properties == NULL) + return false; + + if (strstr(g->type, pattern) != NULL) + return true; + if ((str = pw_properties_get(g->properties, PW_KEY_OBJECT_PATH)) != NULL && + fnmatch(pattern, str, FNM_EXTMATCH) == 0) + return true; + if ((str = pw_properties_get(g->properties, PW_KEY_OBJECT_SERIAL)) != NULL && + spa_streq(pattern, str)) + return true; + if (g->class != NULL && g->class->name_key != NULL && + (str = pw_properties_get(g->properties, g->class->name_key)) != NULL && + fnmatch(pattern, str, FNM_EXTMATCH) == 0) + return true; + + return false; +} + +static int print_global(void *obj, void *data) +{ + struct global *global = obj; + const char *filter = data; + + if (global == NULL) + return 0; + + if (filter && !global_matches(global, filter)) + return 0; + + printf("\tid %d, type %s/%d\n", global->id, + global->type, global->version); + if (global->properties) + print_properties(&global->properties->dict, ' ', false); + + return 0; +} + + +static bool bind_global(struct remote_data *rd, struct global *global, char **error); + +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 remote_data *rd = data; + struct global *global; + size_t size; + char *error; + bool ret; + + global = calloc(1, sizeof(struct global)); + global->rd = rd; + global->id = id; + global->permissions = permissions; + global->type = strdup(type); + global->version = version; + global->properties = props ? pw_properties_new_dict(props) : NULL; + + if (rd->data->monitoring) { + printf("remote %d added global: ", rd->id); + print_global(global, NULL); + } + + size = pw_map_get_size(&rd->globals); + while (id > size) + pw_map_insert_at(&rd->globals, size++, NULL); + pw_map_insert_at(&rd->globals, id, global); + + /* immediately bind the object always */ + ret = bind_global(rd, global, &error); + if (!ret) { + if (rd->data->interactive) + fprintf(stderr, "Error: \"%s\"\n", error); + free(error); + } +} + +static int destroy_global(void *obj, void *data) +{ + struct global *global = obj; + + if (global == NULL) + return 0; + + if (global->proxy) + pw_proxy_destroy(global->proxy); + pw_map_insert_at(&global->rd->globals, global->id, NULL); + pw_properties_free(global->properties); + free(global->type); + free(global); + return 0; +} + +static void registry_event_global_remove(void *data, uint32_t id) +{ + struct remote_data *rd = data; + struct global *global; + + global = pw_map_lookup(&rd->globals, id); + if (global == NULL) { + fprintf(stderr, "remote %d removed unknown global %d\n", rd->id, id); + return; + } + + if (rd->data->monitoring) { + printf("remote %d removed global: ", rd->id); + print_global(global, NULL); + } + + destroy_global(global, rd); +} + +static const struct pw_registry_events registry_events = { + PW_VERSION_REGISTRY_EVENTS, + .global = registry_event_global, + .global_remove = registry_event_global_remove, +}; + +static struct global *find_global(struct remote_data *rd, const char *pattern) +{ + uint32_t id; + union pw_map_item *item; + + if (spa_atou32(pattern, &id, 0)) + return pw_map_lookup(&rd->globals, id); + + pw_array_for_each(item, &rd->globals.items) { + struct global *g = item->data; + if (pw_map_item_is_free(item) || g == NULL) + continue; + if (global_matches(g, pattern)) + return g; + } + return NULL; +} + +static void on_core_error(void *_data, uint32_t id, int seq, int res, const char *message) +{ + struct remote_data *rd = _data; + struct data *data = rd->data; + + pw_log_error("remote %p: error id:%u seq:%d res:%d (%s): %s", rd, + 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 remote_core_events = { + PW_VERSION_CORE_EVENTS, + .info = on_core_info, + .done = on_core_done, + .error = on_core_error, +}; + +static void on_core_destroy(void *_data) +{ + struct remote_data *rd = _data; + struct data *data = rd->data; + + spa_list_remove(&rd->link); + + spa_hook_remove(&rd->core_listener); + spa_hook_remove(&rd->proxy_core_listener); + + pw_map_remove(&data->vars, rd->id); + pw_map_for_each(&rd->globals, destroy_global, rd); + pw_map_clear(&rd->globals); + + if (data->current == rd) + data->current = NULL; + free(rd->name); +} + +static const struct pw_proxy_events proxy_core_events = { + PW_VERSION_PROXY_EVENTS, + .destroy = on_core_destroy, +}; + +static void remote_data_free(struct remote_data *rd) +{ + spa_hook_remove(&rd->registry_listener); + pw_proxy_destroy((struct pw_proxy*)rd->registry); + pw_core_disconnect(rd->core); +} + +static bool do_connect(struct data *data, const char *cmd, char *args, char **error) +{ + char *a[1]; + int n; + struct pw_properties *props = NULL; + struct pw_core *core; + struct remote_data *rd; + + n = args ? pw_split_ip(args, WHITESPACE, 1, a) : 0; + if (n == 1) { + props = pw_properties_new(PW_KEY_REMOTE_NAME, a[0], NULL); + } + core = pw_context_connect(data->context, props, sizeof(struct remote_data)); + if (core == NULL) { + *error = spa_aprintf("failed to connect: %m"); + return false; + } + + rd = pw_proxy_get_user_data((struct pw_proxy*)core); + rd->core = core; + rd->data = data; + pw_map_init(&rd->globals, 64, 16); + rd->id = pw_map_insert_new(&data->vars, rd); + spa_list_append(&data->remotes, &rd->link); + + if (rd->data->interactive) + printf("%d = @remote:%p\n", rd->id, rd->core); + + data->current = rd; + + pw_core_add_listener(rd->core, + &rd->core_listener, + &remote_core_events, rd); + pw_proxy_add_listener((struct pw_proxy*)rd->core, + &rd->proxy_core_listener, + &proxy_core_events, rd); + rd->registry = pw_core_get_registry(rd->core, PW_VERSION_REGISTRY, 0); + pw_registry_add_listener(rd->registry, + &rd->registry_listener, + ®istry_events, rd); + rd->prompt_pending = pw_core_sync(rd->core, 0, 0); + + return true; +} + +static bool do_disconnect(struct data *data, const char *cmd, char *args, char **error) +{ + char *a[1]; + int n; + uint32_t idx; + struct remote_data *rd = data->current; + + n = pw_split_ip(args, WHITESPACE, 1, a); + if (n >= 1) { + idx = atoi(a[0]); + rd = pw_map_lookup(&data->vars, idx); + if (rd == NULL) + goto no_remote; + + } + if (rd) + remote_data_free(rd); + + if (data->current == NULL) { + if (spa_list_is_empty(&data->remotes)) { + return true; + } + data->current = spa_list_last(&data->remotes, struct remote_data, link); + } + + return true; + + no_remote: + *error = spa_aprintf("Remote %d does not exist", idx); + return false; +} + +static bool do_list_remotes(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd; + + spa_list_for_each(rd, &data->remotes, link) + printf("\t%d = @remote:%p '%s'\n", rd->id, rd->core, rd->name); + + return true; +} + +static bool do_switch_remote(struct data *data, const char *cmd, char *args, char **error) +{ + char *a[1]; + int n, idx = 0; + struct remote_data *rd; + + n = pw_split_ip(args, WHITESPACE, 1, a); + if (n == 1) + idx = atoi(a[0]); + + rd = pw_map_lookup(&data->vars, idx); + if (rd == NULL) + goto no_remote; + + spa_list_remove(&rd->link); + spa_list_append(&data->remotes, &rd->link); + data->current = rd; + + return true; + + no_remote: + *error = spa_aprintf("Remote %d does not exist", idx); + return false; +} + +#define MARK_CHANGE(f) ((((info)->change_mask & (f))) ? '*' : ' ') + +static void info_global(struct proxy_data *pd) +{ + struct global *global = pd->global; + + if (global == NULL) + return; + + printf("\tid: %d\n", global->id); + printf("\tpermissions: "PW_PERMISSION_FORMAT"\n", + PW_PERMISSION_ARGS(global->permissions)); + printf("\ttype: %s/%d\n", global->type, global->version); +} + +static void info_core(struct proxy_data *pd) +{ + struct pw_core_info *info = pd->info; + + info_global(pd); + 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); + print_properties(info->props, MARK_CHANGE(PW_CORE_CHANGE_MASK_PROPS), true); + info->change_mask = 0; +} + +static void info_module(struct proxy_data *pd) +{ + struct pw_module_info *info = pd->info; + + info_global(pd); + printf("\tname: \"%s\"\n", info->name); + printf("\tfilename: \"%s\"\n", info->filename); + printf("\targs: \"%s\"\n", info->args); + print_properties(info->props, MARK_CHANGE(PW_MODULE_CHANGE_MASK_PROPS), true); + info->change_mask = 0; +} + +static void info_node(struct proxy_data *pd) +{ + struct pw_node_info *info = pd->info; + + info_global(pd); + printf("%c\tinput ports: %u/%u\n", MARK_CHANGE(PW_NODE_CHANGE_MASK_INPUT_PORTS), + info->n_input_ports, info->max_input_ports); + printf("%c\toutput ports: %u/%u\n", MARK_CHANGE(PW_NODE_CHANGE_MASK_OUTPUT_PORTS), + info->n_output_ports, info->max_output_ports); + printf("%c\tstate: \"%s\"", MARK_CHANGE(PW_NODE_CHANGE_MASK_STATE), + 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), true); + print_params(info->params, info->n_params, MARK_CHANGE(PW_NODE_CHANGE_MASK_PARAMS), true); + info->change_mask = 0; +} + +static void info_port(struct proxy_data *pd) +{ + struct pw_port_info *info = pd->info; + + info_global(pd); + printf("\tdirection: \"%s\"\n", pw_direction_as_string(info->direction)); + print_properties(info->props, MARK_CHANGE(PW_PORT_CHANGE_MASK_PROPS), true); + print_params(info->params, info->n_params, MARK_CHANGE(PW_PORT_CHANGE_MASK_PARAMS), true); + info->change_mask = 0; +} + +static void info_factory(struct proxy_data *pd) +{ + struct pw_factory_info *info = pd->info; + + info_global(pd); + printf("\tname: \"%s\"\n", info->name); + printf("\tobject-type: %s/%d\n", info->type, info->version); + print_properties(info->props, MARK_CHANGE(PW_FACTORY_CHANGE_MASK_PROPS), true); + info->change_mask = 0; +} + +static void info_client(struct proxy_data *pd) +{ + struct pw_client_info *info = pd->info; + + info_global(pd); + print_properties(info->props, MARK_CHANGE(PW_CLIENT_CHANGE_MASK_PROPS), true); + info->change_mask = 0; +} + +static void info_link(struct proxy_data *pd) +{ + struct pw_link_info *info = pd->info; + + info_global(pd); + 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); + + printf("%c\tstate: \"%s\"", MARK_CHANGE(PW_LINK_CHANGE_MASK_STATE), + 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(PW_LINK_CHANGE_MASK_FORMAT)); + if (info->format) + spa_debug_pod(2, NULL, info->format); + else + printf("\t\tnone\n"); + print_properties(info->props, MARK_CHANGE(PW_LINK_CHANGE_MASK_PROPS), true); + info->change_mask = 0; +} + +static void info_device(struct proxy_data *pd) +{ + struct pw_device_info *info = pd->info; + + info_global(pd); + print_properties(info->props, MARK_CHANGE(PW_DEVICE_CHANGE_MASK_PROPS), true); + print_params(info->params, info->n_params, MARK_CHANGE(PW_DEVICE_CHANGE_MASK_PARAMS), true); + info->change_mask = 0; +} + +static void info_session(struct proxy_data *pd) +{ + struct pw_session_info *info = pd->info; + + info_global(pd); + print_properties(info->props, MARK_CHANGE(0), true); + print_params(info->params, info->n_params, MARK_CHANGE(1), true); + info->change_mask = 0; +} + +static void info_endpoint(struct proxy_data *pd) +{ + struct pw_endpoint_info *info = pd->info; + const char *direction; + + info_global(pd); + printf("\tname: %s\n", info->name); + printf("\tmedia-class: %s\n", info->media_class); + switch(info->direction) { + case PW_DIRECTION_OUTPUT: + direction = "source"; + break; + case PW_DIRECTION_INPUT: + direction = "sink"; + break; + default: + direction = "invalid"; + break; + } + printf("\tdirection: %s\n", direction); + printf("\tflags: 0x%x\n", info->flags); + printf("%c\tstreams: %u\n", MARK_CHANGE(0), info->n_streams); + printf("%c\tsession: %u\n", MARK_CHANGE(1), info->session_id); + print_properties(info->props, MARK_CHANGE(2), true); + print_params(info->params, info->n_params, MARK_CHANGE(3), true); + info->change_mask = 0; +} + +static void info_endpoint_stream(struct proxy_data *pd) +{ + struct pw_endpoint_stream_info *info = pd->info; + + info_global(pd); + printf("\tid: %u\n", info->id); + printf("\tendpoint-id: %u\n", info->endpoint_id); + printf("\tname: %s\n", info->name); + print_properties(info->props, MARK_CHANGE(1), true); + print_params(info->params, info->n_params, MARK_CHANGE(2), true); + info->change_mask = 0; +} + +static void core_event_info(void *data, const struct pw_core_info *info) +{ + struct proxy_data *pd = data; + struct remote_data *rd = pd->rd; + if (pd->info && rd->data->monitoring) + printf("remote %d core %d changed\n", rd->id, info->id); + pd->info = pw_core_info_update(pd->info, info); + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_core(pd); + pd->global->info_pending = false; + } +} + +static const struct pw_core_events core_events = { + PW_VERSION_CORE_EVENTS, + .info = core_event_info +}; + + +static void module_event_info(void *data, const struct pw_module_info *info) +{ + struct proxy_data *pd = data; + struct remote_data *rd = pd->rd; + if (pd->info && rd->data->monitoring) + printf("remote %d module %d changed\n", rd->id, info->id); + pd->info = pw_module_info_update(pd->info, info); + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_module(pd); + pd->global->info_pending = false; + } +} + +static const struct pw_module_events module_events = { + PW_VERSION_MODULE_EVENTS, + .info = module_event_info +}; + +static void node_event_info(void *data, const struct pw_node_info *info) +{ + struct proxy_data *pd = data; + struct remote_data *rd = pd->rd; + if (pd->info && rd->data->monitoring) + printf("remote %d node %d changed\n", rd->id, info->id); + pd->info = pw_node_info_update(pd->info, info); + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_node(pd); + pd->global->info_pending = false; + } +} + +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 remote_data *rd = data->rd; + + if (rd->data->interactive) + printf("remote %d object %d param %d index %d\n", + rd->id, data->global->id, id, index); + + spa_debug_pod(2, NULL, param); +} + +static const struct pw_node_events node_events = { + PW_VERSION_NODE_EVENTS, + .info = node_event_info, + .param = event_param +}; + + +static void port_event_info(void *data, const struct pw_port_info *info) +{ + struct proxy_data *pd = data; + struct remote_data *rd = pd->rd; + if (pd->info && rd->data->monitoring) + printf("remote %d port %d changed\n", rd->id, info->id); + pd->info = pw_port_info_update(pd->info, info); + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_port(pd); + pd->global->info_pending = false; + } +} + +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 *pd = data; + struct remote_data *rd = pd->rd; + if (pd->info && rd->data->monitoring) + printf("remote %d factory %d changed\n", rd->id, info->id); + pd->info = pw_factory_info_update(pd->info, info); + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_factory(pd); + pd->global->info_pending = false; + } +} + +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 *pd = data; + struct remote_data *rd = pd->rd; + if (pd->info && rd->data->monitoring) + printf("remote %d client %d changed\n", rd->id, info->id); + pd->info = pw_client_info_update(pd->info, info); + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_client(pd); + pd->global->info_pending = false; + } +} + +static void client_event_permissions(void *_data, uint32_t index, + uint32_t n_permissions, const struct pw_permission *permissions) +{ + struct proxy_data *data = _data; + struct remote_data *rd = data->rd; + uint32_t i; + + printf("remote %d node %d index %d\n", + rd->id, data->global->id, index); + + for (i = 0; i < n_permissions; i++) { + if (permissions[i].id == PW_ID_ANY) + printf(" default:"); + else + printf(" %u:", permissions[i].id); + printf(" "PW_PERMISSION_FORMAT"\n", + PW_PERMISSION_ARGS(permissions[i].permissions)); + } +} + +static const struct pw_client_events client_events = { + PW_VERSION_CLIENT_EVENTS, + .info = client_event_info, + .permissions = client_event_permissions +}; + +static void link_event_info(void *data, const struct pw_link_info *info) +{ + struct proxy_data *pd = data; + struct remote_data *rd = pd->rd; + if (pd->info && rd->data->monitoring) + printf("remote %d link %d changed\n", rd->id, info->id); + pd->info = pw_link_info_update(pd->info, info); + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_link(pd); + pd->global->info_pending = false; + } +} + +static const struct pw_link_events link_events = { + PW_VERSION_LINK_EVENTS, + .info = link_event_info +}; + + +static void device_event_info(void *data, const struct pw_device_info *info) +{ + struct proxy_data *pd = data; + struct remote_data *rd = pd->rd; + if (pd->info && rd->data->monitoring) + printf("remote %d device %d changed\n", rd->id, info->id); + pd->info = pw_device_info_update(pd->info, info); + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_device(pd); + pd->global->info_pending = false; + } +} + +static const struct pw_device_events device_events = { + PW_VERSION_DEVICE_EVENTS, + .info = device_event_info, + .param = event_param +}; + +static void session_info_free(struct pw_session_info *info) +{ + free(info->params); + pw_properties_free ((struct pw_properties *)info->props); + free(info); +} + +static void session_event_info(void *data, + const struct pw_session_info *update) +{ + struct proxy_data *pd = data; + struct remote_data *rd = pd->rd; + struct pw_session_info *info = pd->info; + + if (!info) { + info = pd->info = calloc(1, sizeof(*info)); + info->id = update->id; + } + if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PARAMS) { + info->n_params = update->n_params; + free(info->params); + info->params = malloc(info->n_params * sizeof(struct spa_param_info)); + memcpy(info->params, update->params, + info->n_params * sizeof(struct spa_param_info)); + } + if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PROPS) { + pw_properties_free ((struct pw_properties *)info->props); + info->props = + (struct spa_dict *) pw_properties_new_dict (update->props); + } + + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_session(pd); + pd->global->info_pending = false; + } +} + +static const struct pw_session_events session_events = { + PW_VERSION_SESSION_EVENTS, + .info = session_event_info, + .param = event_param +}; + +static void endpoint_info_free(struct pw_endpoint_info *info) +{ + free(info->name); + free(info->media_class); + free(info->params); + pw_properties_free ((struct pw_properties *)info->props); + free(info); +} + +static void endpoint_event_info(void *data, + const struct pw_endpoint_info *update) +{ + struct proxy_data *pd = data; + struct remote_data *rd = pd->rd; + struct pw_endpoint_info *info = pd->info; + + if (!info) { + info = pd->info = calloc(1, sizeof(*info)); + info->id = update->id; + info->name = update->name ? strdup(update->name) : NULL; + info->media_class = update->media_class ? strdup(update->media_class) : NULL; + info->direction = update->direction; + info->flags = update->flags; + } + if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_STREAMS) + info->n_streams = update->n_streams; + if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_SESSION) + info->session_id = update->session_id; + if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PARAMS) { + info->n_params = update->n_params; + free(info->params); + info->params = malloc(info->n_params * sizeof(struct spa_param_info)); + memcpy(info->params, update->params, + info->n_params * sizeof(struct spa_param_info)); + } + if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PROPS) { + pw_properties_free ((struct pw_properties *)info->props); + info->props = + (struct spa_dict *) pw_properties_new_dict (update->props); + } + + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_endpoint(pd); + pd->global->info_pending = false; + } +} + +static const struct pw_endpoint_events endpoint_events = { + PW_VERSION_ENDPOINT_EVENTS, + .info = endpoint_event_info, + .param = event_param +}; + +static void endpoint_stream_info_free(struct pw_endpoint_stream_info *info) +{ + free(info->name); + free(info->params); + pw_properties_free ((struct pw_properties *)info->props); + free(info); +} + +static void endpoint_stream_event_info(void *data, + const struct pw_endpoint_stream_info *update) +{ + struct proxy_data *pd = data; + struct remote_data *rd = pd->rd; + struct pw_endpoint_stream_info *info = pd->info; + + if (!info) { + info = pd->info = calloc(1, sizeof(*info)); + info->id = update->id; + info->endpoint_id = update->endpoint_id; + info->name = update->name ? strdup(update->name) : NULL; + } + if (update->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS) { + info->n_params = update->n_params; + free(info->params); + info->params = malloc(info->n_params * sizeof(struct spa_param_info)); + memcpy(info->params, update->params, + info->n_params * sizeof(struct spa_param_info)); + } + if (update->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS) { + pw_properties_free ((struct pw_properties *)info->props); + info->props = + (struct spa_dict *) pw_properties_new_dict (update->props); + } + + if (pd->global == NULL) + pd->global = pw_map_lookup(&rd->globals, info->id); + if (pd->global && pd->global->info_pending) { + info_endpoint_stream(pd); + pd->global->info_pending = false; + } +} + +static const struct pw_endpoint_stream_events endpoint_stream_events = { + PW_VERSION_ENDPOINT_STREAM_EVENTS, + .info = endpoint_stream_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_hook_remove(&pd->proxy_listener); + spa_hook_remove(&pd->object_listener); + + if (pd->global) + pd->global->proxy = NULL; + + if (pd->info == NULL) + return; + + if (pd->class->destroy) + pd->class->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 bool do_list_objects(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + pw_map_for_each(&rd->globals, print_global, args); + return true; +} + +static const struct class core_class = { + .type = PW_TYPE_INTERFACE_Core, + .version = PW_VERSION_CORE, + .events = &core_events, + .destroy = (pw_destroy_t) pw_core_info_free, + .info = info_core, + .name_key = PW_KEY_CORE_NAME, +}; +static const struct class module_class = { + .type = PW_TYPE_INTERFACE_Module, + .version = PW_VERSION_MODULE, + .events = &module_events, + .destroy = (pw_destroy_t) pw_module_info_free, + .info = info_module, + .name_key = PW_KEY_MODULE_NAME, +}; + +static const struct class factory_class = { + .type = PW_TYPE_INTERFACE_Factory, + .version = PW_VERSION_FACTORY, + .events = &factory_events, + .destroy = (pw_destroy_t) pw_factory_info_free, + .info = info_factory, + .name_key = PW_KEY_FACTORY_NAME, +}; + +static const struct class client_class = { + .type = PW_TYPE_INTERFACE_Client, + .version = PW_VERSION_CLIENT, + .events = &client_events, + .destroy = (pw_destroy_t) pw_client_info_free, + .info = info_client, + .name_key = PW_KEY_APP_NAME, +}; +static const struct class device_class = { + .type = PW_TYPE_INTERFACE_Device, + .version = PW_VERSION_DEVICE, + .events = &device_events, + .destroy = (pw_destroy_t) pw_device_info_free, + .info = info_device, + .name_key = PW_KEY_DEVICE_NAME, +}; +static const struct class node_class = { + .type = PW_TYPE_INTERFACE_Node, + .version = PW_VERSION_NODE, + .events = &node_events, + .destroy = (pw_destroy_t) pw_node_info_free, + .info = info_node, + .name_key = PW_KEY_NODE_NAME, +}; +static const struct class port_class = { + .type = PW_TYPE_INTERFACE_Port, + .version = PW_VERSION_PORT, + .events = &port_events, + .destroy = (pw_destroy_t) pw_port_info_free, + .info = info_port, + .name_key = PW_KEY_PORT_NAME, +}; +static const struct class link_class = { + .type = PW_TYPE_INTERFACE_Link, + .version = PW_VERSION_LINK, + .events = &link_events, + .destroy = (pw_destroy_t) pw_link_info_free, + .info = info_link, +}; +static const struct class session_class = { + .type = PW_TYPE_INTERFACE_Session, + .version = PW_VERSION_SESSION, + .events = &session_events, + .destroy = (pw_destroy_t) session_info_free, + .info = info_session, +}; +static const struct class endpoint_class = { + .type = PW_TYPE_INTERFACE_Endpoint, + .version = PW_VERSION_ENDPOINT, + .events = &endpoint_events, + .destroy = (pw_destroy_t) endpoint_info_free, + .info = info_endpoint, +}; +static const struct class endpoint_stream_class = { + .type = PW_TYPE_INTERFACE_EndpointStream, + .version = PW_VERSION_ENDPOINT_STREAM, + .events = &endpoint_stream_events, + .destroy = (pw_destroy_t) endpoint_stream_info_free, + .info = info_endpoint_stream, +}; +static const struct class metadata_class = { + .type = PW_TYPE_INTERFACE_Metadata, + .version = PW_VERSION_METADATA, + .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, + &session_class, + &endpoint_class, + &endpoint_stream_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 bool bind_global(struct remote_data *rd, struct global *global, char **error) +{ + const struct class *class; + struct proxy_data *pd; + struct pw_proxy *proxy; + + class = find_class(global->type, global->version); + if (class == NULL) { + *error = spa_aprintf("unsupported type %s", global->type); + return false; + } + global->class = class; + + proxy = pw_registry_bind(rd->registry, + global->id, + global->type, + class->version, + sizeof(struct proxy_data)); + + pd = pw_proxy_get_user_data(proxy); + pd->rd = rd; + pd->global = global; + pd->proxy = proxy; + pd->class = class; + pw_proxy_add_object_listener(proxy, &pd->object_listener, class->events, pd); + pw_proxy_add_listener(proxy, &pd->proxy_listener, &proxy_events, pd); + + global->proxy = proxy; + + rd->prompt_pending = pw_core_sync(rd->core, 0, 0); + + return true; +} + +static bool do_global_info(struct global *global, char **error) +{ + struct remote_data *rd = global->rd; + struct proxy_data *pd; + + if (global->proxy == NULL) { + if (!bind_global(rd, global, error)) + return false; + global->info_pending = true; + } else { + pd = pw_proxy_get_user_data(global->proxy); + if (pd->class->info) + pd->class->info(pd); + } + return true; +} +static int do_global_info_all(void *obj, void *data) +{ + struct global *global = obj; + char *error; + + if (global == NULL) + return 0; + + if (!do_global_info(global, &error)) { + fprintf(stderr, "info: %s\n", error); + free(error); + } + return 0; +} + +static bool do_info(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[1]; + int n; + struct global *global; + + n = pw_split_ip(args, WHITESPACE, 1, a); + if (n < 1) { + *error = spa_aprintf("%s <object-id>|all", cmd); + return false; + } + if (spa_streq(a[0], "all")) { + pw_map_for_each(&rd->globals, do_global_info_all, NULL); + } + else { + global = find_global(rd, a[0]); + if (global == NULL) { + *error = spa_aprintf("%s: unknown global '%s'", cmd, a[0]); + return false; + } + return do_global_info(global, error); + } + return true; +} + +static bool do_create_device(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[2]; + int n; + uint32_t id; + struct pw_proxy *proxy; + struct pw_properties *props = NULL; + struct proxy_data *pd; + + n = pw_split_ip(args, WHITESPACE, 2, a); + if (n < 1) { + *error = spa_aprintf("%s <factory-name> [<properties>]", cmd); + return false; + } + if (n == 2) + props = pw_properties_new_string(a[1]); + + proxy = pw_core_create_object(rd->core, a[0], + PW_TYPE_INTERFACE_Device, + PW_VERSION_DEVICE, + props ? &props->dict : NULL, + sizeof(struct proxy_data)); + + pw_properties_free(props); + + pd = pw_proxy_get_user_data(proxy); + pd->rd = rd; + pd->proxy = proxy; + pd->class = &device_class; + pw_proxy_add_object_listener(proxy, &pd->object_listener, &device_events, pd); + pw_proxy_add_listener(proxy, &pd->proxy_listener, &proxy_events, pd); + + id = pw_map_insert_new(&data->vars, proxy); + if (rd->data->interactive) + printf("%d = @proxy:%d\n", id, pw_proxy_get_id(proxy)); + + return true; +} + +static bool do_create_node(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[2]; + int n; + uint32_t id; + struct pw_proxy *proxy; + struct pw_properties *props = NULL; + struct proxy_data *pd; + + n = pw_split_ip(args, WHITESPACE, 2, a); + if (n < 1) { + *error = spa_aprintf("%s <factory-name> [<properties>]", cmd); + return false; + } + if (n == 2) + props = pw_properties_new_string(a[1]); + + proxy = pw_core_create_object(rd->core, a[0], + PW_TYPE_INTERFACE_Node, + PW_VERSION_NODE, + props ? &props->dict : NULL, + sizeof(struct proxy_data)); + + pw_properties_free(props); + + pd = pw_proxy_get_user_data(proxy); + pd->rd = rd; + pd->proxy = proxy; + pd->class = &node_class; + pw_proxy_add_object_listener(proxy, &pd->object_listener, &node_events, pd); + pw_proxy_add_listener(proxy, &pd->proxy_listener, &proxy_events, pd); + + id = pw_map_insert_new(&data->vars, proxy); + if (rd->data->interactive) + printf("%d = @proxy:%d\n", id, pw_proxy_get_id(proxy)); + + return true; +} + +static bool do_destroy(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[1]; + int n; + struct global *global; + + n = pw_split_ip(args, WHITESPACE, 1, a); + if (n < 1) { + *error = spa_aprintf("%s <object-id>", cmd); + return false; + } + global = find_global(rd, a[0]); + if (global == NULL) { + *error = spa_aprintf("%s: unknown global '%s'", cmd, a[0]); + return false; + } + pw_registry_destroy(rd->registry, global->id); + + return true; +} + +static struct global * +obj_global_port(struct remote_data *rd, struct global *global, const char *port_direction, const char *port_id) +{ + struct global *global_port_found = NULL; + uint32_t *ports = NULL; + int port_count; + + port_count = children_of(rd, global->id, PW_TYPE_INTERFACE_Port, &ports); + + if (port_count <= 0) + return NULL; + + for (int i = 0; i < port_count; i++) { + struct global *global_port = obj_global(rd, ports[i]); + + if (!global_port) + continue; + + struct spa_dict *props_port = global_props(global_port); + + if (spa_streq(spa_dict_lookup(props_port, "port.direction"), port_direction) + && spa_streq(spa_dict_lookup(props_port, "port.id"), port_id)) { + global_port_found = global_port; + break; + } + } + + free(ports); + return global_port_found; +} + +static void create_link_with_properties(struct data *data, struct pw_properties *props) +{ + struct remote_data *rd = data->current; + uint32_t id; + struct pw_proxy *proxy; + struct proxy_data *pd; + + proxy = (struct pw_proxy*)pw_core_create_object(rd->core, + "link-factory", + PW_TYPE_INTERFACE_Link, + PW_VERSION_LINK, + props ? &props->dict : NULL, + sizeof(struct proxy_data)); + + pd = pw_proxy_get_user_data(proxy); + pd->rd = rd; + pd->proxy = proxy; + pd->class = &link_class; + pw_proxy_add_object_listener(proxy, &pd->object_listener, &link_events, pd); + pw_proxy_add_listener(proxy, &pd->proxy_listener, &proxy_events, pd); + + id = pw_map_insert_new(&data->vars, proxy); + if (rd->data->interactive) + printf("%d = @proxy:%d\n", id, pw_proxy_get_id((struct pw_proxy*)proxy)); +} + +static bool do_create_link(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[5]; + int n; + struct pw_properties *props = NULL; + + n = pw_split_ip(args, WHITESPACE, 5, a); + if (n < 4) { + *error = spa_aprintf("%s <node-id> <port> <node-id> <port> [<properties>]", cmd); + return false; + } + if (n == 5) + props = pw_properties_new_string(a[4]); + else + props = pw_properties_new(NULL, NULL); + + if (!spa_streq(a[0], "-")) + pw_properties_set(props, PW_KEY_LINK_OUTPUT_NODE, a[0]); + if (!spa_streq(a[1], "-")) + pw_properties_set(props, PW_KEY_LINK_OUTPUT_PORT, a[1]); + if (!spa_streq(a[2], "-")) + pw_properties_set(props, PW_KEY_LINK_INPUT_NODE, a[2]); + if (!spa_streq(a[3], "-")) + pw_properties_set(props, PW_KEY_LINK_INPUT_PORT, a[3]); + + if (spa_streq(a[1], "*") && spa_streq(a[3], "*")) { + struct global *global_out, *global_in; + struct proxy_data *pd_out, *pd_in; + uint32_t n_output_ports, n_input_ports; + + global_out = find_global(rd, a[0]); + if (global_out == NULL) { + *error = spa_aprintf("%s: unknown global '%s'", cmd, a[0]); + return false; + } + global_in = find_global(rd, a[2]); + if (global_in == NULL) { + *error = spa_aprintf("%s: unknown global '%s'", cmd, a[2]); + return false; + } + + pd_out = pw_proxy_get_user_data(global_out->proxy); + pd_in = pw_proxy_get_user_data(global_in->proxy); + + n_output_ports = ((struct pw_node_info *)pd_out->info)->n_output_ports; + n_input_ports = ((struct pw_node_info *)pd_in->info)->n_input_ports; + + if (n_output_ports != n_input_ports) { + *error = spa_aprintf("%s: Number of ports don't match (%u != %u)", cmd, n_output_ports, n_input_ports); + return false; + } + + for (uint32_t i = 0; i < n_output_ports; i++) { + char port_id[4]; + struct global *global_port_out, *global_port_in; + + snprintf(port_id, 4, "%d", i); + + global_port_out = obj_global_port(rd, global_out, "out", port_id); + global_port_in = obj_global_port(rd, global_in, "in", port_id); + + if (!global_port_out || !global_port_in) + continue; + + pw_properties_setf(props, PW_KEY_LINK_OUTPUT_PORT, "%d", global_port_out->id); + pw_properties_setf(props, PW_KEY_LINK_INPUT_PORT, "%d", global_port_in->id); + + create_link_with_properties(data, props); + } + } else + create_link_with_properties(data, props); + + pw_properties_free(props); + + return true; +} + +static bool do_export_node(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + struct pw_global *global; + struct pw_node *node; + struct pw_proxy *proxy; + char *a[2]; + int n, idx; + uint32_t id; + + n = pw_split_ip(args, WHITESPACE, 2, a); + if (n < 1) { + *error = spa_aprintf("%s <node-id> [<remote-var>]", cmd); + return false; + } + if (n == 2) { + idx = atoi(a[1]); + rd = pw_map_lookup(&data->vars, idx); + if (rd == NULL) + goto no_remote; + } + + global = pw_context_find_global(data->context, atoi(a[0])); + if (global == NULL) { + *error = spa_aprintf("object %d does not exist", atoi(a[0])); + return false; + } + if (!pw_global_is_type(global, PW_TYPE_INTERFACE_Node)) { + *error = spa_aprintf("object %d is not a node", atoi(a[0])); + return false; + } + node = pw_global_get_object(global); + proxy = pw_core_export(rd->core, PW_TYPE_INTERFACE_Node, NULL, node, 0); + + id = pw_map_insert_new(&data->vars, proxy); + if (rd->data->interactive) + printf("%d = @proxy:%d\n", id, pw_proxy_get_id((struct pw_proxy*)proxy)); + + return true; + + no_remote: + *error = spa_aprintf("Remote %d does not exist", idx); + return false; +} + +static bool do_enum_params(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[2]; + int n; + uint32_t param_id; + const struct spa_type_info *ti; + struct global *global; + + n = pw_split_ip(args, WHITESPACE, 2, a); + if (n < 2) { + *error = spa_aprintf("%s <object-id> <param-id>", cmd); + return false; + } + + ti = spa_debug_type_find_short(spa_type_param, a[1]); + if (ti == NULL) { + *error = spa_aprintf("%s: unknown param type: %s", cmd, a[1]); + return false; + } + param_id = ti->type; + + global = find_global(rd, a[0]); + if (global == NULL) { + *error = spa_aprintf("%s: unknown global '%s'", cmd, a[0]); + return false; + } + if (global->proxy == NULL) { + if (!bind_global(rd, global, error)) + return false; + } + + if (spa_streq(global->type, PW_TYPE_INTERFACE_Node)) + pw_node_enum_params((struct pw_node*)global->proxy, 0, + param_id, 0, 0, NULL); + else if (spa_streq(global->type, PW_TYPE_INTERFACE_Port)) + pw_port_enum_params((struct pw_port*)global->proxy, 0, + param_id, 0, 0, NULL); + else if (spa_streq(global->type, PW_TYPE_INTERFACE_Device)) + pw_device_enum_params((struct pw_device*)global->proxy, 0, + param_id, 0, 0, NULL); + else if (spa_streq(global->type, PW_TYPE_INTERFACE_Endpoint)) + pw_endpoint_enum_params((struct pw_endpoint*)global->proxy, 0, + param_id, 0, 0, NULL); + else { + *error = spa_aprintf("enum-params not implemented on object %d type:%s", + atoi(a[0]), global->type); + return false; + } + return true; +} + +static bool do_set_param(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[3]; + int res, n; + uint32_t param_id; + struct global *global; + uint8_t buffer[1024]; + struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer)); + const struct spa_type_info *ti; + struct spa_pod *pod; + + n = pw_split_ip(args, WHITESPACE, 3, a); + if (n < 3) { + *error = spa_aprintf("%s <object-id> <param-id> <param-json>", cmd); + return false; + } + + global = find_global(rd, a[0]); + if (global == NULL) { + *error = spa_aprintf("%s: unknown global '%s'", cmd, a[0]); + return false; + } + if (global->proxy == NULL) { + if (!bind_global(rd, global, error)) + return false; + } + + ti = spa_debug_type_find_short(spa_type_param, a[1]); + if (ti == NULL) { + *error = spa_aprintf("%s: unknown param type: %s", cmd, a[1]); + return false; + } + if ((res = spa_json_to_pod(&b, 0, ti, a[2], strlen(a[2]))) < 0) { + *error = spa_aprintf("%s: can't make pod: %s", cmd, spa_strerror(res)); + return false; + } + if ((pod = spa_pod_builder_deref(&b, 0)) == NULL) { + *error = spa_aprintf("%s: can't make pod", cmd); + return false; + } + spa_debug_pod(0, NULL, pod); + + param_id = ti->type; + + if (spa_streq(global->type, PW_TYPE_INTERFACE_Node)) + pw_node_set_param((struct pw_node*)global->proxy, + param_id, 0, pod); + else if (spa_streq(global->type, PW_TYPE_INTERFACE_Device)) + pw_device_set_param((struct pw_device*)global->proxy, + param_id, 0, pod); + else if (spa_streq(global->type, PW_TYPE_INTERFACE_Endpoint)) + pw_endpoint_set_param((struct pw_endpoint*)global->proxy, + param_id, 0, pod); + else { + *error = spa_aprintf("set-param not implemented on object %d type:%s", + atoi(a[0]), global->type); + return false; + } + return true; +} + +static bool do_permissions(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[3]; + int n; + uint32_t p; + struct global *global; + struct pw_permission permissions[1]; + + n = pw_split_ip(args, WHITESPACE, 3, a); + if (n < 3) { + *error = spa_aprintf("%s <client-id> <object> <permission>", cmd); + return false; + } + + global = find_global(rd, a[0]); + if (global == NULL) { + *error = spa_aprintf("%s: unknown global '%s'", cmd, a[0]); + return false; + } + if (!spa_streq(global->type, PW_TYPE_INTERFACE_Client)) { + *error = spa_aprintf("object %d is not a client", atoi(a[0])); + return false; + } + if (global->proxy == NULL) { + if (!bind_global(rd, global, error)) + return false; + } + + p = strtol(a[2], NULL, 0); + if (rd->data->interactive) + printf("setting permissions: "PW_PERMISSION_FORMAT"\n", + PW_PERMISSION_ARGS(p)); + + permissions[0] = PW_PERMISSION_INIT(atoi(a[1]), p); + pw_client_update_permissions((struct pw_client*)global->proxy, + 1, permissions); + + return true; +} + +static bool do_get_permissions(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[3]; + int n; + struct global *global; + + n = pw_split_ip(args, WHITESPACE, 1, a); + if (n < 1) { + *error = spa_aprintf("%s <client-id>", cmd); + return false; + } + + global = find_global(rd, a[0]); + if (global == NULL) { + *error = spa_aprintf("%s: unknown global '%s'", cmd, a[0]); + return false; + } + if (!spa_streq(global->type, PW_TYPE_INTERFACE_Client)) { + *error = spa_aprintf("object %d is not a client", atoi(a[0])); + return false; + } + if (global->proxy == NULL) { + if (!bind_global(rd, global, error)) + return false; + } + pw_client_get_permissions((struct pw_client*)global->proxy, + 0, UINT32_MAX); + + return true; +} + +static bool do_send_command(struct data *data, const char *cmd, char *args, char **error) +{ + struct remote_data *rd = data->current; + char *a[3]; + int res, n; + struct global *global; + uint8_t buffer[1024]; + struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer)); + const struct spa_type_info *ti; + struct spa_pod *pod; + + n = pw_split_ip(args, WHITESPACE, 3, a); + if (n < 3) { + *error = spa_aprintf("%s <object-id> <command-id> <command-json>", cmd); + return false; + } + + global = find_global(rd, a[0]); + if (global == NULL) { + *error = spa_aprintf("%s: unknown global '%s'", cmd, a[0]); + return false; + } + if (global->proxy == NULL) { + if (!bind_global(rd, global, error)) + return false; + } + + if (spa_streq(global->type, PW_TYPE_INTERFACE_Node)) { + ti = spa_debug_type_find_short(spa_type_node_command_id, a[1]); + } else { + *error = spa_aprintf("send-command not implemented on object %d type:%s", + atoi(a[0]), global->type); + return false; + } + + if (ti == NULL) { + *error = spa_aprintf("%s: unknown node command type: %s", cmd, a[1]); + return false; + } + if ((res = spa_json_to_pod(&b, 0, ti, a[2], strlen(a[2]))) < 0) { + *error = spa_aprintf("%s: can't make pod: %s", cmd, spa_strerror(res)); + return false; + } + if ((pod = spa_pod_builder_deref(&b, 0)) == NULL) { + *error = spa_aprintf("%s: can't make pod", cmd); + return false; + } + spa_debug_pod(0, NULL, pod); + + pw_node_send_command((struct pw_node*)global->proxy, (struct spa_command*)pod); + return true; +} + +static struct global * +obj_global(struct remote_data *rd, uint32_t id) +{ + struct global *global; + struct proxy_data *pd; + + if (!rd) + return NULL; + + global = pw_map_lookup(&rd->globals, id); + if (!global) + return NULL; + + pd = pw_proxy_get_user_data(global->proxy); + if (!pd || !pd->info) + return NULL; + + return global; +} + +static struct spa_dict * +global_props(struct global *global) +{ + struct proxy_data *pd; + + if (!global) + return NULL; + + pd = pw_proxy_get_user_data(global->proxy); + if (!pd || !pd->info) + return NULL; + + if (spa_streq(global->type, PW_TYPE_INTERFACE_Core)) + return ((struct pw_core_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_Module)) + return ((struct pw_module_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_Device)) + return ((struct pw_device_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_Node)) + return ((struct pw_node_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_Port)) + return ((struct pw_port_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_Factory)) + return ((struct pw_factory_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_Client)) + return ((struct pw_client_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_Link)) + return ((struct pw_link_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_Session)) + return ((struct pw_session_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_Endpoint)) + return ((struct pw_endpoint_info *)pd->info)->props; + if (spa_streq(global->type, PW_TYPE_INTERFACE_EndpointStream)) + return ((struct pw_endpoint_stream_info *)pd->info)->props; + + return NULL; +} + +static const char * +global_lookup(struct global *global, const char *key) +{ + struct spa_dict *dict; + + dict = global_props(global); + if (!dict) + return NULL; + return spa_dict_lookup(dict, key); +} + + +static int +children_of(struct remote_data *rd, uint32_t parent_id, + const char *child_type, uint32_t **children) +{ + const char *parent_type; + union pw_map_item *item; + struct global *global; + struct proxy_data *pd; + const char *parent_key = NULL, *child_key = NULL; + const char *parent_value = NULL, *child_value = NULL; + int pass, i, count; + + if (!rd || !children) + return -1; + + /* get the device info */ + global = obj_global(rd, parent_id); + if (!global) + return -1; + parent_type = global->type; + pd = pw_proxy_get_user_data(global->proxy); + if (!pd || !pd->info) + return -1; + + /* supported combinations */ + if (spa_streq(parent_type, PW_TYPE_INTERFACE_Device) && + spa_streq(child_type, PW_TYPE_INTERFACE_Node)) { + parent_key = PW_KEY_OBJECT_ID; + child_key = PW_KEY_DEVICE_ID; + } else if (spa_streq(parent_type, PW_TYPE_INTERFACE_Node) && + spa_streq(child_type, PW_TYPE_INTERFACE_Port)) { + parent_key = PW_KEY_OBJECT_ID; + child_key = PW_KEY_NODE_ID; + } else if (spa_streq(parent_type, PW_TYPE_INTERFACE_Module) && + spa_streq(child_type, PW_TYPE_INTERFACE_Factory)) { + parent_key = PW_KEY_OBJECT_ID; + child_key = PW_KEY_MODULE_ID; + } else if (spa_streq(parent_type, PW_TYPE_INTERFACE_Factory) && + spa_streq(child_type, PW_TYPE_INTERFACE_Device)) { + parent_key = PW_KEY_OBJECT_ID; + child_key = PW_KEY_FACTORY_ID; + } else + return -1; + + /* get the parent key value */ + if (parent_key) { + parent_value = global_lookup(global, parent_key); + if (!parent_value) + return -1; + } + + count = 0; + *children = NULL; + i = 0; + for (pass = 1; pass <= 2; pass++) { + if (pass == 2) { + count = i; + if (!count) + return 0; + + *children = malloc(sizeof(uint32_t) * count); + if (!*children) + return -1; + } + i = 0; + pw_array_for_each(item, &rd->globals.items) { + if (pw_map_item_is_free(item) || item->data == NULL) + continue; + + global = item->data; + + if (!spa_streq(global->type, child_type)) + continue; + + pd = pw_proxy_get_user_data(global->proxy); + if (!pd || !pd->info) + return -1; + + if (child_key) { + /* get the device path */ + child_value = global_lookup(global, child_key); + if (!child_value) + continue; + } + + /* match? */ + if (!spa_streq(parent_value, child_value)) + continue; + + if (*children) + (*children)[i] = global->id; + i++; + + } + } + return count; +} + +#define INDENT(_level) \ + ({ \ + int __level = (_level); \ + char *_indent = alloca(__level + 1); \ + memset(_indent, '\t', __level); \ + _indent[__level] = '\0'; \ + (const char *)_indent; \ + }) + +static bool parse(struct data *data, char *buf, char **error) +{ + char *a[2]; + int n; + char *p, *cmd, *args; + + if ((p = strchr(buf, '#'))) + *p = '\0'; + + p = pw_strip(buf, "\n\r \t"); + + if (*p == '\0') + return true; + + n = pw_split_ip(p, WHITESPACE, 2, a); + if (n < 1) + return true; + + cmd = a[0]; + args = n > 1 ? a[1] : ""; + + SPA_FOR_EACH_ELEMENT_VAR(command_list, c) { + if (spa_streq(c->name, cmd) || + spa_streq(c->alias, cmd)) { + return c->func(data, cmd, args, error); + } + } + *error = spa_aprintf("Command \"%s\" does not exist. Type 'help' for usage.", cmd); + return false; +} + +/* We need a global variable, readline doesn't have a closure arg */ +static struct data *input_dataptr; + +static void input_process_line(char *line) +{ + struct data *d = input_dataptr; + char *error; + + if (!line) + line = strdup("quit"); + + if (line[0] != '\0') { +#ifdef HAVE_READLINE + add_history(line); +#endif + if (!parse(d, line, &error)) { + fprintf(stderr, "Error: \"%s\"\n", error); + free(error); + } + } + free(line); +} + +static void do_input(void *data, int fd, uint32_t mask) +{ + struct data *d = data; + + if (mask & SPA_IO_IN) { + input_dataptr = d; +#ifdef HAVE_READLINE + rl_callback_read_char(); +#else + { + char *line = NULL; + size_t s = 0; + + if (getline(&line, &s, stdin) < 0) { + free(line); + line = NULL; + } + input_process_line(line); + } +#endif + + if (d->current == NULL) + pw_main_loop_quit(d->loop); + else { + struct remote_data *rd = d->current; + if (rd->core) + rd->prompt_pending = pw_core_sync(rd->core, 0, 0); + } + } +} + +#ifdef HAVE_READLINE +static char * +readline_match_command(const char *text, int state) +{ + static size_t idx; + static int len; + + if (!state) { + idx = 0; + len = strlen(text); + } + + while (idx < SPA_N_ELEMENTS(command_list)) { + const char *name = command_list[idx].name; + const char *alias = command_list[idx].alias; + + idx++; + if (spa_strneq(name, text, len) || spa_strneq(alias, text, len)) + return strdup(name); + } + + return NULL; +} + +static char ** +readline_command_completion(const char *text, int start, int end) +{ + char **matches = NULL; + + /* Only try to complete the first word in a line */ + if (start == 0) + matches = rl_completion_matches(text, readline_match_command); + + /* Don't fall back to filename completion */ + rl_attempted_completion_over = true; + + return matches; +} + +static void readline_init(void) +{ + rl_attempted_completion_function = readline_command_completion; + rl_callback_handler_install(">> ", input_process_line); +} + +static void readline_cleanup(void) +{ + rl_callback_handler_remove(); +} +#endif + +static void do_quit_on_signal(void *data, int signal_number) +{ + struct data *d = data; + d->quit = true; + pw_main_loop_quit(d->loop); +} + +static void show_help(struct data *data, const char *name, bool error) +{ + fprintf(error ? stderr : stdout, _("%s [options] [command]\n" + " -h, --help Show this help\n" + " --version Show version\n" + " -d, --daemon Start as daemon (Default false)\n" + " -r, --remote Remote daemon name\n" + " -m, --monitor Monitor activity\n\n"), + name); + + do_help(data, "help", "", NULL); +} + +int main(int argc, char *argv[]) +{ + struct data data = { 0 }; + struct pw_loop *l; + char *opt_remote = NULL; + char *error; + bool daemon = false, monitor = false; + struct remote_data *rd; + static const struct option long_options[] = { + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'V' }, + { "monitor", no_argument, NULL, 'm' }, + { "daemon", no_argument, NULL, 'd' }, + { "remote", required_argument, NULL, 'r' }, + { NULL, 0, NULL, 0} + }; + int c, i; + + setlinebuf(stdout); + + setlocale(LC_ALL, ""); + pw_init(&argc, &argv); + + while ((c = getopt_long(argc, argv, "hVmdr:", 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 'd': + daemon = true; + break; + case 'm': + monitor = true; + break; + case 'r': + opt_remote = optarg; + break; + default: + show_help(&data, argv[0], true); + return -1; + } + } + + data.loop = pw_main_loop_new(NULL); + if (data.loop == NULL) { + fprintf(stderr, "Broken installation: %m\n"); + return -1; + } + l = pw_main_loop_get_loop(data.loop); + pw_loop_add_signal(l, SIGINT, do_quit_on_signal, &data); + pw_loop_add_signal(l, SIGTERM, do_quit_on_signal, &data); + + spa_list_init(&data.remotes); + pw_map_init(&data.vars, 64, 16); + + data.context = pw_context_new(l, + pw_properties_new( + PW_KEY_CORE_DAEMON, daemon ? "true" : NULL, + NULL), + 0); + if (data.context == NULL) { + fprintf(stderr, "Can't create context: %m\n"); + return -1; + } + + pw_context_load_module(data.context, "libpipewire-module-link-factory", NULL, NULL); + + if (!do_connect(&data, "connect", opt_remote, &error)) { + fprintf(stderr, "Error: \"%s\"\n", error); + return -1; + } + + if (optind == argc) { + data.interactive = true; + + printf("Welcome to PipeWire version %s. Type 'help' for usage.\n", + pw_get_library_version()); + +#ifdef HAVE_READLINE + readline_init(); +#endif + + pw_loop_add_io(l, STDIN_FILENO, SPA_IO_IN|SPA_IO_HUP, false, do_input, &data); + + pw_main_loop_run(data.loop); + +#ifdef HAVE_READLINE + readline_cleanup(); +#endif + } else { + char buf[4096], *p, *error; + + p = buf; + for (i = optind; i < argc; i++) { + p = stpcpy(p, argv[i]); + p = stpcpy(p, " "); + } + + pw_main_loop_run(data.loop); + + if (!parse(&data, buf, &error)) { + fprintf(stderr, "Error: \"%s\"\n", error); + free(error); + } + data.current->prompt_pending = pw_core_sync(data.current->core, 0, 0); + while (!data.quit && data.current) { + pw_main_loop_run(data.loop); + if (!monitor) + break; + } + } + spa_list_consume(rd, &data.remotes, link) + remote_data_free(rd); + + pw_context_destroy(data.context); + pw_main_loop_destroy(data.loop); + pw_map_clear(&data.vars); + pw_deinit(); + + return 0; +} |