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-rw-r--r--src/vlibapi/api_helper_macros.h66
1 files changed, 39 insertions, 27 deletions
diff --git a/src/vlibapi/api_helper_macros.h b/src/vlibapi/api_helper_macros.h
index 8064d67a14e..d49282e9e65 100644
--- a/src/vlibapi/api_helper_macros.h
+++ b/src/vlibapi/api_helper_macros.h
@@ -201,33 +201,45 @@ do { \
vl_api_send_msg (rp, (u8 *)rmp); \
} while(0);
-#define REPLY_AND_DETAILS_MACRO(t, p, body) \
-do { \
- vl_api_registration_t *rp; \
- rp = vl_api_client_index_to_registration (mp->client_index); \
- if (rp == 0) \
- return; \
- u32 cursor = clib_net_to_host_u32 (mp->cursor); \
- vlib_main_t *vm = vlib_get_main (); \
- f64 start = vlib_time_now (vm); \
- if (pool_is_free_index (p, cursor)) { \
- cursor = pool_next_index (p, cursor); \
- if (cursor == ~0) \
- rv = VNET_API_ERROR_INVALID_VALUE; \
- } \
- while (cursor != ~0) { \
- do {body;} while (0); \
- cursor = pool_next_index (p, cursor); \
- if (vl_api_process_may_suspend (vm, rp, start)) { \
- if (cursor != ~0) \
- rv = VNET_API_ERROR_EAGAIN; \
- break; \
- } \
- } \
- REPLY_MACRO2 (t, ({ \
- rmp->cursor = clib_host_to_net_u32 (cursor); \
- })); \
-} while(0);
+#define REPLY_AND_DETAILS_MACRO(t, p, body) \
+ do \
+ { \
+ if (pool_elts (p) == 0) \
+ { \
+ REPLY_MACRO (t); \
+ break; \
+ } \
+ vl_api_registration_t *rp; \
+ rp = vl_api_client_index_to_registration (mp->client_index); \
+ if (rp == 0) \
+ return; \
+ u32 cursor = clib_net_to_host_u32 (mp->cursor); \
+ vlib_main_t *vm = vlib_get_main (); \
+ f64 start = vlib_time_now (vm); \
+ if (pool_is_free_index (p, cursor)) \
+ { \
+ cursor = pool_next_index (p, cursor); \
+ if (cursor == ~0) \
+ rv = VNET_API_ERROR_INVALID_VALUE; \
+ } \
+ while (cursor != ~0) \
+ { \
+ do \
+ { \
+ body; \
+ } \
+ while (0); \
+ cursor = pool_next_index (p, cursor); \
+ if (vl_api_process_may_suspend (vm, rp, start)) \
+ { \
+ if (cursor != ~0) \
+ rv = VNET_API_ERROR_EAGAIN; \
+ break; \
+ } \
+ } \
+ REPLY_MACRO2 (t, ({ rmp->cursor = clib_host_to_net_u32 (cursor); })); \
+ } \
+ while (0);
#define REPLY_AND_DETAILS_VEC_MACRO(t, v, mp, rmp, rv, body) \
do { \