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hooks: enforce version on hook emission

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Pass the minimum required version to the hook emission and only call
events when the handler is recent enough.
Add some macros to make event emission easier to read.
This commit is contained in:
Wim Taymans 2018-08-01 21:41:25 +02:00
parent a72e3cefd7
commit a63523650d
27 changed files with 250 additions and 155 deletions
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102
src/pipewire/private.h
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@ -51,6 +51,8 @@ struct pw_command {
int n_args;
};
#define pw_protocol_events_destroy(p) spa_hook_list_call(&p->listener_list, struct pw_protocol_events, destroy, 0)
struct pw_protocol {
struct spa_list link; /**< link in core protocol_list */
struct pw_core *core; /**< core for this protocol */
@ -74,6 +76,16 @@ struct pw_protocol {
typedef uint32_t (*pw_permission_func_t) (struct pw_global *global,
struct pw_client *client, void *data);
#define pw_client_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_client_events, m, v, ##__VA_ARGS__)
#define pw_client_events_destroy(o) pw_client_events_emit(o, destroy, 0)
#define pw_client_events_free(o) pw_client_events_emit(o, free, 0)
#define pw_client_events_info_changed(o,i) pw_client_events_emit(o, info_changed, 0, i)
#define pw_client_events_resource_added(o,r) pw_client_events_emit(o, resource_added, 0, r)
#define pw_client_events_resource_impl(o,r) pw_client_events_emit(o, resource_impl, 0, r)
#define pw_client_events_resource_removed(o,r) pw_client_events_emit(o, resource_removed, 0, r)
#define pw_client_events_busy_changed(o,b) pw_client_events_emit(o, busy_changed, 0, b)
struct pw_client {
struct pw_core *core; /**< core object */
struct spa_list link; /**< link in core object client list */
@ -108,6 +120,13 @@ struct pw_client {
void *user_data; /**< extra user data */
};
#define pw_global_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_global_events, m, v, ##__VA_ARGS__)
#define pw_global_events_registering(g) pw_global_events_emit(g, registering, 0)
#define pw_global_events_destroy(g) pw_global_events_emit(g, destroy, 0)
#define pw_global_events_free(g) pw_global_events_emit(g, free, 0)
#define pw_global_events_bind(g,...) pw_global_events_emit(g, bind, 0, __VA_ARGS__)
struct pw_global {
struct pw_core *core; /**< the core */
struct pw_client *owner; /**< the owner of this object, NULL when the
@ -127,6 +146,13 @@ struct pw_global {
void *object; /**< object associated with the interface */
};
#define pw_core_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_core_events, m, v, ##__VA_ARGS__)
#define pw_core_events_destroy(c) pw_core_events_emit(c, destroy, 0)
#define pw_core_events_free(c) pw_core_events_emit(c, free, 0)
#define pw_core_events_info_changed(c,i) pw_core_events_emit(c, info_changed, 0, i)
#define pw_core_events_global_added(c,g) pw_core_events_emit(c, global_added, 0, g)
#define pw_core_events_global_removed(c,g) pw_core_events_emit(c, global_removed, 0, g)
struct pw_core {
struct pw_global *global; /**< the global of the core */
struct spa_hook global_listener;
@ -165,6 +191,9 @@ struct pw_core {
long sc_pagesize;
};
#define pw_data_loop_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_data_loop_events, m, v, ##__VA_ARGS__)
#define pw_data_loop_events_destroy(o) pw_data_loop_events_emit(o, destroy, 0)
struct pw_data_loop {
struct pw_loop *loop;
@ -176,6 +205,9 @@ struct pw_data_loop {
pthread_t thread;
};
#define pw_main_loop_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_main_loop_events, m, v, ##__VA_ARGS__)
#define pw_main_loop_events_destroy(o) pw_main_loop_events_emit(o, destroy, 0)
struct pw_main_loop {
struct pw_loop *loop;
@ -208,6 +240,9 @@ static inline void free_allocation(struct allocation *alloc)
alloc->n_buffers = 0;
}
#define pw_module_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_module_events, m, v, ##__VA_ARGS__)
#define pw_module_events_destroy(m) pw_module_events_emit(m, destroy, 0)
struct pw_module {
struct pw_core *core; /**< the core object */
struct spa_list link; /**< link in the core module_list */
@ -246,6 +281,25 @@ struct pw_node_activation {
struct spa_graph_state state;
};
#define pw_node_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_node_events, m, v, ##__VA_ARGS__)
#define pw_node_events_destroy(n) pw_node_events_emit(n, destroy, 0)
#define pw_node_events_free(n) pw_node_events_emit(n, free, 0)
#define pw_node_events_initialized(n) pw_node_events_emit(n, initialized, 0)
#define pw_node_events_port_init(n,p) pw_node_events_emit(n, port_init, 0, p)
#define pw_node_events_port_added(n,p) pw_node_events_emit(n, port_added, 0, p)
#define pw_node_events_port_removed(n,p) pw_node_events_emit(n, port_removed, 0, p)
#define pw_node_events_info_changed(n,i) pw_node_events_emit(n, info_changed, 0, i)
#define pw_node_events_active_changed(n,a) pw_node_events_emit(n, active_changed, 0, a)
#define pw_node_events_enabled_changed(n,e) pw_node_events_emit(n, enabled_changed, 0, e)
#define pw_node_events_state_request(n,s) pw_node_events_emit(n, state_request, 0, s)
#define pw_node_events_state_changed(n,o,s,e) pw_node_events_emit(n, state_changed, 0, o, s, e)
#define pw_node_events_async_complete(n,s,r) pw_node_events_emit(n, async_complete, 0, s, r)
#define pw_node_events_event(n,e) pw_node_events_emit(n, event, 0, e)
#define pw_node_events_driver_changed(n,d) pw_node_events_emit(n, driver_changed, 0, d)
#define pw_node_events_process(n) pw_node_events_emit(n, process, 0)
#define pw_node_events_reuse_buffer(n,p,b) pw_node_events_emit(n, reuse_buffer, 0, p, b)
#define pw_node_events_finish(n) pw_node_events_emit(n, finish, 0)
struct pw_node {
struct pw_core *core; /**< core object */
struct spa_list link; /**< link in core node_list */
@ -324,6 +378,16 @@ struct pw_port_implementation {
struct spa_buffer **buffers, uint32_t *n_buffers);
};
#define pw_port_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_port_events, m, v, ##__VA_ARGS__)
#define pw_port_events_destroy(p) pw_port_events_emit(p, destroy, 0)
#define pw_port_events_free(p) pw_port_events_emit(p, free, 0)
#define pw_port_events_info_changed(p,i) pw_port_events_emit(p, info_changed, 0, i)
#define pw_port_events_link_added(p,l) pw_port_events_emit(p, link_added, 0, l)
#define pw_port_events_link_removed(p,l) pw_port_events_emit(p, link_removed, 0, l)
#define pw_port_events_state_changed(p,s) pw_port_events_emit(p, state_changed, 0, s)
#define pw_port_events_control_added(p,c) pw_port_events_emit(p, control_added, 0, c)
#define pw_port_events_control_removed(p,c) pw_port_events_emit(p, control_removed, 0, c)
struct pw_port {
struct spa_list link; /**< link in node port_list */
@ -377,6 +441,13 @@ struct pw_port {
void *user_data; /**< extra user data */
};
#define pw_link_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_link_events, m, v, ##__VA_ARGS__)
#define pw_link_events_destroy(l) pw_link_events_emit(l, destroy, 0)
#define pw_link_events_free(l) pw_link_events_emit(l, free, 0)
#define pw_link_events_info_changed(l,i) pw_link_events_emit(l, info_changed, 0, i)
#define pw_link_events_state_changed(l,...) pw_link_events_emit(l, state_changed, 0, __VA_ARGS__)
#define pw_link_events_port_unlinked(l,p) pw_link_events_emit(l, port_unlinked, 0, p)
struct pw_link {
struct pw_core *core; /**< core object */
struct spa_list link; /**< link in core link_list */
@ -410,6 +481,10 @@ struct pw_link {
void *user_data;
};
#define pw_resource_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_resource_events, m, v, ##__VA_ARGS__)
#define pw_resource_events_destroy(o) pw_resource_events_emit(o, destroy, 0)
struct pw_resource {
struct pw_core *core; /**< the core object */
struct spa_list link; /**< link in object resource_list */
@ -431,6 +506,8 @@ struct pw_resource {
void *user_data; /**< extra user data */
};
#define pw_proxy_events_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_proxy_events, m, v, ##__VA_ARGS__)
#define pw_proxy_events_destroy(p) pw_proxy_events_emit(p, destroy, 0)
struct pw_proxy {
struct pw_remote *remote; /**< the owner remote of this proxy */
@ -447,6 +524,12 @@ struct pw_proxy {
void *user_data; /**< extra user data */
};
#define pw_remote_events_emit(r,m,v,...) spa_hook_list_call(&r->listener_list, struct pw_remote_events, m, v, ##__VA_ARGS__)
#define pw_remote_events_destroy(r) pw_remote_events_emit(r, destroy, 0)
#define pw_remote_events_info_changed(r,i) pw_remote_events_emit(r, info_changed, 0, i)
#define pw_remote_events_sync_reply(r,s) pw_remote_events_emit(r, sync_reply, 0, s)
#define pw_remote_events_state_changed(r,o,s,e) pw_remote_events_emit(r, state_changed, 0, o, s, e)
struct pw_remote {
struct pw_core *core; /**< core */
struct spa_list link; /**< link in core remote_list */
@ -474,6 +557,15 @@ struct pw_remote {
void *user_data; /**< extra user data */
};
#define pw_stream_events_emit(s,m,v,...) spa_hook_list_call(&s->listener_list, struct pw_stream_events, m, v, ##__VA_ARGS__)
#define pw_stream_events_destroy(s) pw_stream_events_emit(s, destroy, 0)
#define pw_stream_events_state_changed(s,o,n,e) pw_stream_events_emit(s, state_changed,0,o,n,e)
#define pw_stream_events_format_changed(s,f) pw_stream_events_emit(s, format_changed,0,f)
#define pw_stream_events_add_buffer(s,b) pw_stream_events_emit(s, add_buffer, 0, b)
#define pw_stream_events_remove_buffer(s,b) pw_stream_events_emit(s, remove_buffer, 0, b)
#define pw_stream_events_process(s) pw_stream_events_emit(s, process, 0)
#define pw_stream_events_drained(s) pw_stream_events_emit(s, drained, 1)
struct pw_stream {
struct pw_remote *remote; /**< the owner remote */
@ -491,6 +583,10 @@ struct pw_stream {
struct pw_proxy *proxy;
};
#define pw_factory_events_emit(s,m,v,...) spa_hook_list_call(&s->listener_list, struct pw_factory_events, m, v, ##__VA_ARGS__)
#define pw_factory_events_destroy(s) pw_factory_events_emit(s, destroy, 0)
struct pw_factory {
struct pw_core *core; /**< the core */
struct spa_list link; /**< link in core node_factory_list */
@ -511,6 +607,12 @@ struct pw_factory {
void *user_data;
};
#define pw_control_events_emit(c,m,v,...) spa_hook_list_call(&c->listener_list, struct pw_control_events, m, v, ##__VA_ARGS__)
#define pw_control_events_destroy(c) pw_control_events_emit(c, destroy, 0)
#define pw_control_events_free(c) pw_control_events_emit(c, free, 0)
#define pw_control_events_linked(c,o) pw_control_events_emit(c, linked, 0, o)
#define pw_control_events_unlinked(c,o) pw_control_events_emit(c, unlinked, 0, o)
struct pw_control {
struct spa_list link; /**< link in core control_list */
struct pw_core *core; /**< the core */