[pulseaudio-discuss] [PATCH 3/3] message-handler: Send signal on handler events
---
src/pulsecore/message-handler.c | 25 +
1 file changed, 25 insertions(+)
diff --git a/src/pulsecore/message-handler.c b/src/pulsecore/message-handler.c
index 75310667..a983e136 100644
--- a/src/pulsecore/message-handler.c
+++ b/src/pulsecore/message-handler.c
@@ -23,6 +23,7 @@
#include
#include
+#include
#include
#include
@@ -64,6 +65,7 @@ static bool object_path_is_valid(const char *test_string) {
/* Register message handler for the specified object. object_path must be a
unique name starting with "/". */
void pa_message_handler_register(pa_core *c, const char *object_path, const
char *description, pa_message_handler_cb_t cb, void *userdata) {
struct pa_message_handler *handler;
+char *sig_param;
pa_assert(c);
pa_assert(object_path);
@@ -80,11 +82,17 @@ void pa_message_handler_register(pa_core *c, const char
*object_path, const char
handler->description = pa_xstrdup(description);
pa_assert_se(pa_hashmap_put(c->message_handlers, handler->object_path,
handler) == 0);
+
+/* Notify clients that a handler was added. */
+sig_param = pa_sprintf_malloc("{%s}", object_path);
+pa_signal_post(c, "message-api", 1, "handler-added", sig_param);
+pa_xfree(sig_param);
}
/* Unregister a message handler */
void pa_message_handler_unregister(pa_core *c, const char *object_path) {
struct pa_message_handler *handler;
+char *sig_param;
pa_assert(c);
pa_assert(object_path);
@@ -94,6 +102,11 @@ void pa_message_handler_unregister(pa_core *c, const char
*object_path) {
pa_xfree(handler->object_path);
pa_xfree(handler->description);
pa_xfree(handler);
+
+/* Notify clients that a handler was removed. */
+sig_param = pa_sprintf_malloc("{%s}", object_path);
+pa_signal_post(c, "message-api", 1, "handler-removed", sig_param);
+pa_xfree(sig_param);
}
/* Send a message to an object identified by object_path */
@@ -134,6 +147,8 @@ int pa_message_handler_send_message(pa_core *c, const char
*object_path, const c
/* Set handler description */
int pa_message_handler_set_description(pa_core *c, const char *object_path,
const char *description) {
struct pa_message_handler *handler;
+char *sig_param;
+pa_message_param *param;
pa_assert(c);
pa_assert(object_path);
@@ -141,9 +156,19 @@ int pa_message_handler_set_description(pa_core *c, const
char *object_path, cons
if (!(handler = pa_hashmap_get(c->message_handlers, object_path)))
return -PA_ERR_NOENTITY;
+param = pa_message_param_new();
+pa_message_param_write_string(param, object_path, false);
+pa_message_param_write_string(param, handler->description, true);
+pa_message_param_write_string(param, description, true);
+sig_param = pa_message_param_to_string(param);
+
pa_xfree(handler->description);
handler->description = pa_xstrdup(description);
+/* Notify clients that a handler description changed. */
+pa_signal_post(c, "message-api", 1, "handler-changed", sig_param);
+pa_xfree(sig_param);
+
return PA_OK;
}
--
2.14.1
___
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[pulseaudio-discuss] [PATCH 3/3] message-handler: Send signal on handler events
Signals are used to notify clients when a messge handler was added/removed
or when the description changed.
---
src/pulsecore/message-handler.c | 19 +++
1 file changed, 19 insertions(+)
diff --git a/src/pulsecore/message-handler.c b/src/pulsecore/message-handler.c
index 8f8830d6..f0083adc 100644
--- a/src/pulsecore/message-handler.c
+++ b/src/pulsecore/message-handler.c
@@ -50,6 +50,7 @@ static bool string_is_valid(const char *test_string) {
/* Register message handler. recipient_name must be a unique name starting
with "/". */
void pa_message_handler_register(pa_core *c, const char *recipient_name, const
char *description, pa_message_handler_cb_t cb, void *userdata) {
struct pa_message_handler *handler;
+char *sig_param;
pa_assert(c);
pa_assert(recipient_name);
@@ -71,11 +72,17 @@ void pa_message_handler_register(pa_core *c, const char
*recipient_name, const c
handler->description = pa_xstrdup(description);
pa_assert_se(pa_hashmap_put(c->message_handlers, handler->recipient, (void
*) handler) == 0);
+
+/* Notify clients that a new handler was added. */
+sig_param = pa_sprintf_malloc("{%s}", recipient_name);
+pa_signal_post(c, "message-api", 1, "handler-added", sig_param);
+pa_xfree(sig_param);
}
/* Unregister a message handler */
void pa_message_handler_unregister(pa_core *c, const char *recipient_name) {
struct pa_message_handler *handler;
+char *sig_param;
pa_assert(c);
pa_assert(recipient_name);
@@ -85,6 +92,11 @@ void pa_message_handler_unregister(pa_core *c, const char
*recipient_name) {
pa_xfree(handler->recipient);
pa_xfree(handler->description);
pa_xfree(handler);
+
+/* Notify clients that a handler was removed. */
+sig_param = pa_sprintf_malloc("{%s}", recipient_name);
+pa_signal_post(c, "message-api", 1, "handler-removed", sig_param);
+pa_xfree(sig_param);
}
/* Send a message to a recipient or recipient group */
@@ -109,6 +121,7 @@ int pa_message_handler_send_message(pa_core *c, const char
*recipient_name, cons
/* Set handler description */
int pa_message_handler_set_description(pa_core *c, const char *recipient_name,
const char *description) {
struct pa_message_handler *handler;
+char *sig_param;
pa_assert(c);
pa_assert(recipient_name);
@@ -121,9 +134,15 @@ int pa_message_handler_set_description(pa_core *c, const
char *recipient_name, c
return -PA_ERR_INVALID;
}
+sig_param = pa_sprintf_malloc("{%s} {%s} {%s}", recipient_name,
(handler->description ? handler->description : ""), (description ? description
: "") );
+
pa_xfree(handler->description);
handler->description = pa_xstrdup(description);
+/* Notify clients that a handler description changed. */
+pa_signal_post(c, "message-api", 1, "handler-changed", sig_param);
+pa_xfree(sig_param);
+
return PA_OK;
}
--
2.14.1
___
pulseaudio-discuss mailing list
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https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
[pulseaudio-discuss] [PATCH 3/3] message-handler: Send signal on handler events
Signals are used to notify clients when a messge handler was added/removed
or when the description changes.
---
src/pulsecore/message-handler.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/src/pulsecore/message-handler.c b/src/pulsecore/message-handler.c
index 8f8830d6..b6505dc9 100644
--- a/src/pulsecore/message-handler.c
+++ b/src/pulsecore/message-handler.c
@@ -71,6 +71,9 @@ void pa_message_handler_register(pa_core *c, const char
*recipient_name, const c
handler->description = pa_xstrdup(description);
pa_assert_se(pa_hashmap_put(c->message_handlers, handler->recipient, (void
*) handler) == 0);
+
+/* Notify clients that a new handler was added. */
+pa_signal_post(c, "message-api", 1, "handler-added", recipient_name);
}
/* Unregister a message handler */
@@ -85,6 +88,9 @@ void pa_message_handler_unregister(pa_core *c, const char
*recipient_name) {
pa_xfree(handler->recipient);
pa_xfree(handler->description);
pa_xfree(handler);
+
+/* Notify clients that a handler was removed. */
+pa_signal_post(c, "message-api", 1, "handler-removed", recipient_name);
}
/* Send a message to a recipient or recipient group */
@@ -124,6 +130,9 @@ int pa_message_handler_set_description(pa_core *c, const
char *recipient_name, c
pa_xfree(handler->description);
handler->description = pa_xstrdup(description);
+/* Notify clients that a handler description changed. */
+pa_signal_post(c, "message-api", 1, "handler-changed", recipient_name);
+
return PA_OK;
}
--
2.14.1
___
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