Implement ustctl_tracepoint_list/list_get

[lttng-ust.git] / liblttng-ust-ctl / ustctl.c

diff --git a/liblttng-ust-ctl/ustctl.c b/liblttng-ust-ctl/ustctl.c
index b4234effc01212bb43f4150716429364a4f340e4..f9c5e84fab59ef65116b70aa7d8df1941a123027 100644 (file)
--- a/liblttng-ust-ctl/ustctl.c
+++ b/liblttng-ust-ctl/ustctl.c
@@ -370,10 +370,39 @@ int ustctl_stop_session(int sock, int handle)
        return ustctl_disable(sock, &obj);
 }
 
-
 int ustctl_tracepoint_list(int sock)
 {
-       return -ENOSYS; /* not implemented */
+       struct ustcomm_ust_msg lum;
+       struct ustcomm_ust_reply lur;
+       int ret, tp_list_handle;
+
+       memset(&lum, 0, sizeof(lum));
+       lum.handle = LTTNG_UST_ROOT_HANDLE;
+       lum.cmd = LTTNG_UST_TRACEPOINT_LIST;
+       ret = ustcomm_send_app_cmd(sock, &lum, &lur);
+       if (ret)
+               return ret;
+       tp_list_handle = lur.ret_val;
+       DBG("received tracepoint list handle %u", tp_list_handle);
+       return tp_list_handle;
+}
+
+int ustctl_tracepoint_list_get(int sock, int tp_list_handle,
+               char iter[LTTNG_UST_SYM_NAME_LEN])
+{
+       struct ustcomm_ust_msg lum;
+       struct ustcomm_ust_reply lur;
+       int ret;
+
+       memset(&lum, 0, sizeof(lum));
+       lum.handle = tp_list_handle;
+       lum.cmd = LTTNG_UST_TRACEPOINT_LIST_GET;
+       ret = ustcomm_send_app_cmd(sock, &lum, &lur);
+       if (ret)
+               return ret;
+       DBG("received tracepoint list entry %s", lur.u.tracepoint_list_entry);
+       memcpy(iter, lur.u.tracepoint_list_entry, LTTNG_UST_SYM_NAME_LEN);
+       return 0;
 }
 
 int ustctl_tracer_version(int sock, struct lttng_ust_tracer_version *v)