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add more subscription events

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add support for clients/modules in native protocol


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@115 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-08-12 23:25:28 +00:00
parent cbfaf40b45
commit 886041aab8
9 changed files with 248 additions and 14 deletions
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162
polyp/polyplib.c
View file

@ -102,6 +102,12 @@ struct pa_context {
void *subscribe_userdata;
enum pa_subscription_mask subscribe_mask;
void (*get_client_info_callback)(struct pa_context*c, const struct pa_client_info* i, int is_last, void *userdata);
void *get_client_info_userdata;
void (*get_module_info_callback)(struct pa_context*c, const struct pa_module_info* i, int is_last, void *userdata);
void *get_module_info_userdata;
uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH];
};
@ -209,6 +215,12 @@ struct pa_context *pa_context_new(struct pa_mainloop_api *mainloop, const char *
c->subscribe_callback = NULL;
c->subscribe_userdata = NULL;
c->get_client_info_callback = NULL;
c->get_client_info_userdata = NULL;
c->get_module_info_callback = NULL;
c->get_module_info_userdata = NULL;
pa_check_for_sigpipe();
return c;
}
@ -1386,3 +1398,153 @@ void pa_context_get_source_info_by_index(struct pa_context *c, uint32_t index, v
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_source_info_callback, c);
}
static void context_get_client_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_context *c = userdata;
assert(pd && c);
if (command != PA_COMMAND_REPLY) {
if (handle_error(c, command, t) < 0) {
context_dead(c);
return;
}
if (c->get_client_info_callback)
c->get_client_info_callback(c, NULL, 0, c->get_client_info_userdata);
return;
}
while (!pa_tagstruct_eof(t)) {
struct pa_client_info i;
if (pa_tagstruct_getu32(t, &i.index) < 0 ||
pa_tagstruct_gets(t, &i.name) < 0 ||
pa_tagstruct_gets(t, &i.protocol_name) < 0 ||
pa_tagstruct_getu32(t, &i.owner_module) < 0) {
c->error = PA_ERROR_PROTOCOL;
context_dead(c);
return;
}
if (c->get_client_info_callback)
c->get_client_info_callback(c, &i, 0, c->get_client_info_userdata);
}
if (c->get_client_info_callback)
c->get_client_info_callback(c, NULL, 1, c->get_client_info_userdata);
}
void pa_context_get_client_info(struct pa_context *c, uint32_t index, void (*cb)(struct pa_context *c, const struct pa_client_info*i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
uint32_t tag;
assert(c);
c->get_client_info_callback = cb;
c->get_client_info_userdata = userdata;
if (!cb)
return;
t = pa_tagstruct_new(NULL, 0);
assert(t);
pa_tagstruct_putu32(t, PA_COMMAND_GET_CLIENT_INFO);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_putu32(t, index);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_client_info_callback, c);
}
void pa_context_get_client_info_list(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_client_info*i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
uint32_t tag;
assert(c);
c->get_client_info_callback = cb;
c->get_client_info_userdata = userdata;
if (!cb)
return;
t = pa_tagstruct_new(NULL, 0);
assert(t);
pa_tagstruct_putu32(t, PA_COMMAND_GET_CLIENT_INFO_LIST);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_client_info_callback, c);
}
static void context_get_module_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_context *c = userdata;
assert(pd && c);
if (command != PA_COMMAND_REPLY) {
if (handle_error(c, command, t) < 0) {
context_dead(c);
return;
}
if (c->get_module_info_callback)
c->get_module_info_callback(c, NULL, 0, c->get_module_info_userdata);
return;
}
while (!pa_tagstruct_eof(t)) {
struct pa_module_info i;
if (pa_tagstruct_getu32(t, &i.index) < 0 ||
pa_tagstruct_gets(t, &i.name) < 0 ||
pa_tagstruct_gets(t, &i.argument) < 0 ||
pa_tagstruct_getu32(t, &i.n_used) < 0 ||
pa_tagstruct_getu32(t, &i.auto_unload) < 0) {
c->error = PA_ERROR_PROTOCOL;
context_dead(c);
return;
}
if (c->get_module_info_callback)
c->get_module_info_callback(c, &i, 0, c->get_module_info_userdata);
}
if (c->get_module_info_callback)
c->get_module_info_callback(c, NULL, 1, c->get_module_info_userdata);
}
void pa_context_get_module_info(struct pa_context *c, uint32_t index, void (*cb)(struct pa_context *c, const struct pa_module_info*i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
uint32_t tag;
assert(c);
c->get_module_info_callback = cb;
c->get_module_info_userdata = userdata;
if (!cb)
return;
t = pa_tagstruct_new(NULL, 0);
assert(t);
pa_tagstruct_putu32(t, PA_COMMAND_GET_MODULE_INFO);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_putu32(t, index);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_module_info_callback, c);
}
void pa_context_get_module_info_list(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_module_info*i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
uint32_t tag;
assert(c);
c->get_module_info_callback = cb;
c->get_module_info_userdata = userdata;
if (!cb)
return;
t = pa_tagstruct_new(NULL, 0);
assert(t);
pa_tagstruct_putu32(t, PA_COMMAND_GET_MODULE_INFO_LIST);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_module_info_callback, c);
}