PipeWire  0.3.33
impl-client.h
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1 /* PipeWire
2  *
3  * Copyright © 2018 Wim Taymans
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24 
25 #ifndef PIPEWIRE_IMPL_CLIENT_H
26 #define PIPEWIRE_IMPL_CLIENT_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
32 #include <spa/utils/hook.h>
33 
79 struct pw_impl_client;
80 
81 #include <pipewire/context.h>
82 #include <pipewire/global.h>
83 #include <pipewire/properties.h>
84 #include <pipewire/resource.h>
85 #include <pipewire/permission.h>
86 
89 #define PW_VERSION_IMPL_CLIENT_EVENTS 0
90  uint32_t version;
91 
93  void (*destroy) (void *data);
94 
96  void (*free) (void *data);
97 
99  void (*initialized) (void *data);
100 
102  void (*info_changed) (void *data, const struct pw_client_info *info);
103 
105  void (*resource_added) (void *data, struct pw_resource *resource);
106 
108  void (*resource_removed) (void *data, struct pw_resource *resource);
109 
113  void (*busy_changed) (void *data, bool busy);
114 };
115 
117 struct pw_impl_client *
118 pw_context_create_client(struct pw_impl_core *core,
119  struct pw_protocol *protocol,
120  struct pw_properties *properties,
121  size_t user_data_size );
122 
124 void pw_impl_client_destroy(struct pw_impl_client *client);
125 
127 int pw_impl_client_register(struct pw_impl_client *client,
128  struct pw_properties *properties);
129 
131 void *pw_impl_client_get_user_data(struct pw_impl_client *client);
132 
134 const struct pw_client_info *pw_impl_client_get_info(struct pw_impl_client *client);
135 
137 int pw_impl_client_update_properties(struct pw_impl_client *client, const struct spa_dict *dict);
138 
140 int pw_impl_client_update_permissions(struct pw_impl_client *client, uint32_t n_permissions,
141  const struct pw_permission *permissions);
142 
144 int pw_impl_client_check_permissions(struct pw_impl_client *client,
145  uint32_t global_id, uint32_t permissions);
146 
148 const struct pw_properties *pw_impl_client_get_properties(struct pw_impl_client *client);
149 
151 struct pw_context *pw_impl_client_get_context(struct pw_impl_client *client);
153 struct pw_protocol *pw_impl_client_get_protocol(struct pw_impl_client *client);
154 
156 struct pw_resource *pw_impl_client_get_core_resource(struct pw_impl_client *client);
157 
159 struct pw_resource *pw_impl_client_find_resource(struct pw_impl_client *client, uint32_t id);
160 
162 struct pw_global *pw_impl_client_get_global(struct pw_impl_client *client);
163 
165 void pw_impl_client_add_listener(struct pw_impl_client *client,
166  struct spa_hook *listener,
167  const struct pw_impl_client_events *events,
168  void *data);
169 
170 
173 void pw_impl_client_set_busy(struct pw_impl_client *client, bool busy);
174 
179 #ifdef __cplusplus
180 }
181 #endif
182 
183 #endif /* PIPEWIRE_IMPL_CLIENT_H */
pw_global_update_permissions
int pw_global_update_permissions(struct pw_global *global, struct pw_impl_client *client, uint32_t old_permissions, uint32_t new_permissions)
Definition: global.c:314
PW_CLIENT_CHANGE_MASK_ALL
#define PW_CLIENT_CHANGE_MASK_ALL
Definition: client.h:58
pw_context_create_client
struct pw_impl_client * pw_context_create_client(struct pw_impl_core *core, struct pw_protocol *protocol, struct pw_properties *properties, size_t user_data_size)
Make a new client object.
Definition: impl-client.c:386
pw_impl_client_update_properties
int pw_impl_client_update_properties(struct pw_impl_client *client, const struct spa_dict *dict)
Update client properties.
Definition: impl-client.c:638
pw_properties_get
int int const char * pw_properties_get(const struct pw_properties *properties, const char *key)
Get a property.
Definition: properties.c:487
global.h
pw_impl_client_get_user_data
void * pw_impl_client_get_user_data(struct pw_impl_client *client)
Get the client user data.
Definition: impl-client.c:558
PW_KEY_SEC_LABEL
#define PW_KEY_SEC_LABEL
client security label, set by protocol
Definition: src/pipewire/keys.h:58
NAME
#define NAME
Definition: impl-client.c:33
pw_mempool_new
struct pw_mempool * pw_mempool_new(struct pw_properties *props)
Create a new memory pool.
Definition: mem.c:133
pw_impl_client_register
int pw_impl_client_register(struct pw_impl_client *client, struct pw_properties *properties)
Finish configuration and register a client.
Definition: impl-client.c:473
pw_memblock::id
uint32_t id
unique id
Definition: src/pipewire/mem.h:80
error_data::error
const char * error
Definition: impl-client.c:115
spa_dict_item::key
const char * key
Definition: utils/dict.h:42
PW_MEMBLOCK_FLAG_READWRITE
@ PW_MEMBLOCK_FLAG_READWRITE
Definition: src/pipewire/mem.h:53
PW_KEY_OBJECT_ID
#define PW_KEY_OBJECT_ID
a global object id
Definition: src/pipewire/keys.h:66
pw_global_register
int pw_global_register(struct pw_global *global)
Register a global object to the context registry.
Definition: global.c:125
pw_context_add_listener
void pw_context_add_listener(struct pw_context *context, struct spa_hook *listener, const struct pw_context_events *events, void *data)
Add a new event listener to a context.
Definition: context.c:551
pw_impl_client_get_info
const struct pw_client_info * pw_impl_client_get_info(struct pw_impl_client *client)
Get the client information.
Definition: impl-client.c:622
pw_impl_client_get_context
struct pw_context * pw_impl_client_get_context(struct pw_impl_client *client)
Get the context used to create this client.
Definition: impl-client.c:522
error_data::id
uint32_t id
Definition: impl-client.c:113
pw_array_check_index
#define pw_array_check_index(a, idx, t)
Check if an item with index idx and type t exist in array.
Definition: array.h:66
pw_mempool_destroy
void pw_mempool_destroy(struct pw_mempool *pool)
Clear and destroy a pool.
Definition: mem.c:168
PW_KEY_MODULE_ID
#define PW_KEY_MODULE_ID
module properties
Definition: src/pipewire/keys.h:249
resource_data
Definition: impl-core.c:74
string.h
data
user data to add to an object
Definition: filter.c:75
pw_global_new
struct pw_global * pw_global_new(struct pw_context *context, const char *type, uint32_t version, struct pw_properties *properties, pw_global_bind_func_t func, void *object)
Create a new global object.
Definition: global.c:66
impl::data
uint8_t data[MAX_BUFFER]
Definition: module-profiler.c:87
pw_global_add_resource
int pw_global_add_resource(struct pw_global *global, struct pw_resource *resource)
Add a resource to a global.
Definition: global.c:230
pw_impl_client_events::resource_added
void(* resource_added)(void *data, struct pw_resource *resource)
emitted when a new resource is added for client
Definition: impl-client.h:105
pw_mempool_add_listener
void pw_mempool_add_listener(struct pw_mempool *pool, struct spa_hook *listener, const struct pw_mempool_events *events, void *data)
Listen for events.
Definition: mem.c:186
spa_streq
bool spa_streq(const char *s1, const char *s2)
Definition: string.h:50
resource_data::resource_listener
struct spa_hook resource_listener
Definition: impl-core.c:76
spa_list_for_each
#define spa_list_for_each(pos, head, member)
Definition: list.h:111
pw_memblock::flags
uint32_t flags
flags for the memory block on of enum pw_memblock_flags
Definition: src/pipewire/mem.h:82
pw_global_get_permissions
uint32_t pw_global_get_permissions(struct pw_global *global, struct pw_impl_client *client)
Get the permissions of the global for a given client.
Definition: global.c:45
SPA_EXPORT
#define SPA_EXPORT
Definition: defs.h:208
pw_global_events
Global events, use pw_global_add_listener.
Definition: global.h:68
PW_PERM_R
#define PW_PERM_R
object can be seen and events can be received
Definition: permission.h:47
impl::listener
struct spa_hook listener
Definition: access-flatpak.c:46
impl
Definition: control.c:33
client::id
uint32_t id
Definition: access-flatpak.c:54
spa_hook_list_append
void spa_hook_list_append(struct spa_hook_list *list, struct spa_hook *hook, const void *funcs, void *data)
Append a hook.
Definition: hook.h:316
pw_resource_destroy
void pw_resource_destroy(struct pw_resource *resource)
Destroy a resource.
Definition: resource.c:264
SPA_PTROFF
#define SPA_PTROFF(ptr_, offset_, type_)
Return the address (buffer + offset) as pointer of type.
Definition: defs.h:159
pw_impl_client_events
The events that a client can emit.
Definition: impl-client.h:88
spa_strstartswith
bool spa_strstartswith(const char *s, const char *prefix)
Definition: string.h:71
pw_permission
Definition: permission.h:64
PW_KEY_PROTOCOL
#define PW_KEY_PROTOCOL
protocol used for connection
Definition: src/pipewire/keys.h:47
props
const char * props
Definition: media-session.c:2382
pw_array_get_len
#define pw_array_get_len(a, t)
Get the number of items of type t in array.
Definition: array.h:62
impl.h
pw_properties::dict
struct spa_dict dict
dictionary of key/values
Definition: properties.h:50
SPA_CONTAINER_OF
#define SPA_CONTAINER_OF(p, t, m)
Definition: defs.h:170
PW_KEY_SEC_UID
#define PW_KEY_SEC_UID
Client uid, set by protocol.
Definition: src/pipewire/keys.h:56
pw_array
Definition: array.h:48
permission.h
pw_global_add_listener
void pw_global_add_listener(struct pw_global *global, struct spa_hook *listener, const struct pw_global_events *events, void *data)
Add an event listener on the global.
Definition: global.c:255
pw_context_events
context events emitted by the context object added with pw_context_add_listener
Definition: context.h:72
pw_mempool_events
Definition: src/pipewire/mem.h:99
spa_list_remove
void spa_list_remove(struct spa_list *elem)
Definition: list.h:69
pw_resource_add_object_listener
void pw_resource_add_object_listener(struct pw_resource *resource, struct spa_hook *listener, const void *funcs, void *data)
Set the resource implementation.
Definition: resource.c:174
pw_context_find_global
struct pw_global * pw_context_find_global(struct pw_context *context, uint32_t id)
Find a context global by id.
Definition: context.c:636
pw_memblock::fd
int fd
fd
Definition: src/pipewire/mem.h:84
resource_data::object_listener
struct spa_hook object_listener
Definition: impl-core.c:77
pw_impl_client_events::busy_changed
void(* busy_changed)(void *data, bool busy)
emitted when the client becomes busy processing an asynchronous message.
Definition: impl-client.h:113
impl::context_listener
struct spa_hook context_listener
Definition: module-access.c:143
pw_array_get_unchecked
#define pw_array_get_unchecked(a, idx, t)
Get the item with index idx and type t from array.
Definition: array.h:64
filter
Definition: filter.c:126
spa_hook
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:295
spa_dict::items
const struct spa_dict_item * items
Definition: utils/dict.h:52
pw_permission::permissions
uint32_t permissions
bitmask of above permissions
Definition: permission.h:66
PW_KEY_APP_NAME
#define PW_KEY_APP_NAME
application keys
Definition: src/pipewire/keys.h:108
PW_VERSION_RESOURCE_EVENTS
#define PW_VERSION_RESOURCE_EVENTS
Definition: resource.h:61
PW_CLIENT_CHANGE_MASK_PROPS
#define PW_CLIENT_CHANGE_MASK_PROPS
Definition: client.h:57
pw_client_info
The client information.
Definition: client.h:55
resource.h
PW_VERSION_MEMPOOL_EVENTS
#define PW_VERSION_MEMPOOL_EVENTS
Definition: src/pipewire/mem.h:100
pw_resource_add_listener
void pw_resource_add_listener(struct pw_resource *resource, struct spa_hook *listener, const struct pw_resource_events *events, void *data)
Add an event listener.
Definition: resource.c:165
PW_PERM_INVALID
#define PW_PERM_INVALID
Definition: permission.h:62
client::context
struct pw_context * context
Definition: module-protocol-native.c:105
error_data
Definition: impl-client.c:112
spa_dict
Definition: utils/dict.h:48
pw_impl_client_events::free
void(* free)(void *data)
emitted right before the client is freed
Definition: impl-client.h:96
pw_global_update_keys
int pw_global_update_keys(struct pw_global *global, const struct spa_dict *dict, const char *const keys[])
Update the global properties, must be done when unregistered.
Definition: global.c:209
pw_impl_client_set_busy
void pw_impl_client_set_busy(struct pw_impl_client *client, bool busy)
Mark the client busy.
Definition: impl-client.c:716
PW_PERMISSION_INIT
#define PW_PERMISSION_INIT(id, p)
Definition: permission.h:69
spa_dict_item::value
const char * value
Definition: utils/dict.h:43
PW_ID_CORE
#define PW_ID_CORE
default ID for the core object after connect
Definition: core.h:66
pw_resource_new
struct pw_resource * pw_resource_new(struct pw_impl_client *client, uint32_t id, uint32_t permissions, const char *type, uint32_t version, size_t user_data_size)
Make a new resource for client.
Definition: resource.c:43
pw_impl_client_events::initialized
void(* initialized)(void *data)
the client is initialized
Definition: impl-client.h:99
pw_memblock
Memory block structure.
Definition: src/pipewire/mem.h:78
pw_log_debug
#define pw_log_debug(...)
Definition: src/pipewire/log.h:89
pw_impl_client_update_permissions
int pw_impl_client_update_permissions(struct pw_impl_client *client, uint32_t n_permissions, const struct pw_permission *permissions)
Update the client permissions.
Definition: impl-client.c:646
client
Definition: module-protocol-native.c:103
pw_global_destroy
void pw_global_destroy(struct pw_global *global)
Destroy a global.
Definition: global.c:369
PW_VERSION_GLOBAL_EVENTS
#define PW_VERSION_GLOBAL_EVENTS
Definition: global.h:69
pw_impl_client_check_permissions
int pw_impl_client_check_permissions(struct pw_impl_client *client, uint32_t global_id, uint32_t permissions)
check if a client has permissions for global_id, Since 0.3.9
Definition: impl-client.c:726
pw_properties_set
int pw_properties_set(struct pw_properties *properties, const char *key, const char *value)
Set a property value.
Definition: properties.c:435
resource_data::data
struct result_device_params_data data
Definition: impl-device.c:76
pw_impl_client_get_protocol
struct pw_protocol * pw_impl_client_get_protocol(struct pw_impl_client *client)
Get the protocol used to create this client.
Definition: impl-client.c:528
PW_ID_ANY
#define PW_ID_ANY
Definition: core.h:69
PW_KEY_SEC_GID
#define PW_KEY_SEC_GID
client gid, set by protocol
Definition: src/pipewire/keys.h:57
pw_client_methods
Client methods.
Definition: client.h:111
PW_TYPE_INTERFACE_Client
#define PW_TYPE_INTERFACE_Client
Definition: client.h:46
pw_resource_error
void pw_resource_error(struct pw_resource *resource, int res, const char *error)
Generate an error for a resource.
Definition: resource.c:255
pw_impl_client_events::info_changed
void(* info_changed)(void *data, const struct pw_client_info *info)
emitted when the client info changed
Definition: impl-client.h:102
pw_log_warn
#define pw_log_warn(...)
Definition: src/pipewire/log.h:87
PW_VERSION_CLIENT_METHODS
#define PW_VERSION_CLIENT_METHODS
Definition: client.h:112
pw_impl_client_get_core_resource
struct pw_resource * pw_impl_client_get_core_resource(struct pw_impl_client *client)
Get the client core resource.
Definition: impl-client.c:534
context.h
impl::this
struct pw_control this
Definition: control.c:34
PW_KEY_ACCESS
#define PW_KEY_ACCESS
how the client access is controlled
Definition: src/pipewire/keys.h:48
client::core
struct pw_core * core
Definition: module-protocol-simple.c:107
pw_impl_client_destroy
void pw_impl_client_destroy(struct pw_impl_client *client)
Destroy a client object.
Definition: impl-client.c:577
spa_hook_remove
void spa_hook_remove(struct spa_hook *hook)
Remove a hook.
Definition: hook.h:336
pw_resource_get_user_data
void * pw_resource_get_user_data(struct pw_resource *resource)
Get the user data for the resource, the size was given in pw_resource_new.
Definition: resource.c:159
pw_impl_client_events::resource_removed
void(* resource_removed)(void *data, struct pw_resource *resource)
emitted when a resource is removed
Definition: impl-client.h:108
pw_impl_client_events::version
uint32_t version
Definition: impl-client.h:90
PW_VERSION_CONTEXT_EVENTS
#define PW_VERSION_CONTEXT_EVENTS
Definition: context.h:73
resource_data::resource
struct pw_resource * resource
Definition: impl-core.c:75
spa_hook_list_init
void spa_hook_list_init(struct spa_hook_list *list)
Initialize a hook list to the empty list.
Definition: hook.h:305
properties.h
spa_dict::n_items
uint32_t n_items
Definition: utils/dict.h:51
error_data::res
int res
Definition: impl-client.c:114
PW_VERSION_CLIENT
#define PW_VERSION_CLIENT
Definition: client.h:48
pw_impl_client_events::destroy
void(* destroy)(void *data)
emitted when the client is destroyed
Definition: impl-client.h:93
pw_properties_new
struct pw_properties * pw_properties_new(const char *key,...) 1
Make a new properties object.
Definition: properties.c:98
pw_memblock::type
uint32_t type
type of the fd, one of enum spa_data_type
Definition: src/pipewire/mem.h:83
pw_resource_events
Resource events.
Definition: resource.h:60
pw_properties_setf
int pw_properties_setf(struct pw_properties *properties, const char *key, const char *format,...) 1(3
hook.h
pw_impl_client_find_resource
struct pw_resource * pw_impl_client_find_resource(struct pw_impl_client *client, uint32_t id)
Get a resource with the given id.
Definition: impl-client.c:540
pw_resource_events::version
uint32_t version
Definition: resource.h:62
PW_KEY_SEC_PID
#define PW_KEY_SEC_PID
Various keys related to the identity of a client process and its security.
Definition: src/pipewire/keys.h:55
client::link
struct spa_list link
link in impl client_list
Definition: module-protocol-simple.c:103
pw_impl_client_add_listener
void pw_impl_client_add_listener(struct pw_impl_client *client, struct spa_hook *listener, const struct pw_impl_client_events *events, void *data)
listen to events from this client
Definition: impl-client.c:613
pw_properties
Definition: properties.h:49
spa_hook_list_clean
void spa_hook_list_clean(struct spa_hook_list *list)
Remove all hooks from the list.
Definition: hook.h:344
pw_permission::id
uint32_t id
id of object, PW_ID_ANY for default permission
Definition: permission.h:65
pw_properties_free
void pw_properties_free(struct pw_properties *properties)
Free a properties object.
Definition: properties.c:364
PW_KEY_CLIENT_ACCESS
#define PW_KEY_CLIENT_ACCESS
how the client wants to be access controlled
Definition: src/pipewire/keys.h:49
pw_log_error
#define pw_log_error(...)
Definition: src/pipewire/log.h:86
pw_impl_client_get_global
struct pw_global * pw_impl_client_get_global(struct pw_impl_client *client)
Get the global associated with this client.
Definition: impl-client.c:546
spa_list_append
#define spa_list_append(list, item)
Definition: list.h:81
pw_impl_client_get_properties
const struct pw_properties * pw_impl_client_get_properties(struct pw_impl_client *client)
Get the client properties.
Definition: impl-client.c:552