static void ext_stream_restore_read_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_operation *o = userdata; int eol = 1; pa_assert(pd); pa_assert(o); pa_assert(PA_REFCNT_VALUE(o) >= 1); if (!o->context) goto finish; if (command != PA_COMMAND_REPLY) { if (pa_context_handle_error(o->context, command, t, FALSE) < 0) goto finish; eol = -1; } else { while (!pa_tagstruct_eof(t)) { pa_ext_stream_restore_info i; pa_bool_t mute = FALSE; memset(&i, 0, sizeof(i)); if (pa_tagstruct_gets(t, &i.name) < 0 || pa_tagstruct_get_channel_map(t, &i.channel_map) < 0 || pa_tagstruct_get_cvolume(t, &i.volume) < 0 || pa_tagstruct_gets(t, &i.device) < 0 || pa_tagstruct_get_boolean(t, &mute) < 0) { pa_context_fail(o->context, PA_ERR_PROTOCOL); goto finish; } i.mute = (int) mute; if (o->callback) { pa_ext_stream_restore_read_cb_t cb = (pa_ext_stream_restore_read_cb_t) o->callback; cb(o->context, &i, 0, o->userdata); } } } if (o->callback) { pa_ext_stream_restore_read_cb_t cb = (pa_ext_stream_restore_read_cb_t) o->callback; cb(o->context, NULL, eol, o->userdata); } finish: pa_operation_done(o); pa_operation_unref(o); }
void pa_command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_context *c = userdata; uint32_t idx; const char *name; pa_assert(pd); pa_assert(command == PA_COMMAND_EXTENSION); pa_assert(t); pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_context_ref(c); if (c->version < 15) { pa_context_fail(c, PA_ERR_PROTOCOL); goto finish; } if (pa_tagstruct_getu32(t, &idx) < 0 || pa_tagstruct_gets(t, &name) < 0) { pa_context_fail(c, PA_ERR_PROTOCOL); goto finish; } if (!strcmp(name, "module-stream-restore")) pa_ext_stream_restore_command(c, tag, t); else if (!strcmp(name, "module-device-manager")) pa_ext_device_manager_command(c, tag, t); else pa_log(_("Received message for unknown extension '%s'"), name); finish: pa_context_unref(c); }
void pa_command_client_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_context *c = userdata; pa_proplist *pl = NULL; const char *event; pa_assert(pd); pa_assert(command == PA_COMMAND_CLIENT_EVENT); pa_assert(t); pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); pa_context_ref(c); if (c->version < 15) { pa_context_fail(c, PA_ERR_PROTOCOL); goto finish; } pl = pa_proplist_new(); if (pa_tagstruct_gets(t, &event) < 0 || pa_tagstruct_get_proplist(t, pl) < 0 || !pa_tagstruct_eof(t) || !event) { pa_context_fail(c, PA_ERR_PROTOCOL); goto finish; } if (c->event_callback) c->event_callback(c, event, pl, c->event_userdata); finish: pa_context_unref(c); if (pl) pa_proplist_free(pl); }
static void ext_device_manager_read_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_operation *o = userdata; int eol = 1; pa_assert(pd); pa_assert(o); pa_assert(PA_REFCNT_VALUE(o) >= 1); if (!o->context) goto finish; if (command != PA_COMMAND_REPLY) { if (pa_context_handle_error(o->context, command, t, false) < 0) goto finish; eol = -1; } else { while (!pa_tagstruct_eof(t)) { pa_ext_device_manager_info i; memset(&i, 0, sizeof(i)); if (pa_tagstruct_gets(t, &i.name) < 0 || pa_tagstruct_gets(t, &i.description) < 0 || pa_tagstruct_gets(t, &i.icon) < 0 || pa_tagstruct_getu32(t, &i.index) < 0 || pa_tagstruct_getu32(t, &i.n_role_priorities) < 0) { pa_context_fail(o->context, PA_ERR_PROTOCOL); goto finish; } if (i.n_role_priorities > 0) { uint32_t j; i.role_priorities = pa_xnew0(pa_ext_device_manager_role_priority_info, i.n_role_priorities+1); for (j = 0; j < i.n_role_priorities; j++) { if (pa_tagstruct_gets(t, &i.role_priorities[j].role) < 0 || pa_tagstruct_getu32(t, &i.role_priorities[j].priority) < 0) { pa_context_fail(o->context, PA_ERR_PROTOCOL); pa_xfree(i.role_priorities); goto finish; } } /* Terminate with an extra NULL entry, just to make sure */ i.role_priorities[j].role = NULL; i.role_priorities[j].priority = 0; } if (o->callback) { pa_ext_device_manager_read_cb_t cb = (pa_ext_device_manager_read_cb_t) o->callback; cb(o->context, &i, 0, o->userdata); } pa_xfree(i.role_priorities); } } if (o->callback) { pa_ext_device_manager_read_cb_t cb = (pa_ext_device_manager_read_cb_t) o->callback; cb(o->context, NULL, eol, o->userdata); } finish: pa_operation_done(o); pa_operation_unref(o); }