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authorPaul Vinciguerra <pvinci@vinciconsulting.com>2020-01-27 18:42:25 -0500
committerOle Trøan <otroan@employees.org>2020-02-26 11:54:49 +0000
commitf24de1795c45174c4de2d9867dbff324064b1eb3 (patch)
treef16d19ab75c536a1ec33a065edbd170e0b2ef45e /src/vlibapi
parent7d4cd0cf6f1a94953ef97ab885752424dea6948c (diff)
api: add macro that zeros out api reply buffer
Add macros REPLY_MACRO2_ZERO, REPLY_MACRO3_ZERO that zeros the buffer before the values are set. This way if say, a u8[64] field is only filled with 10 octets, the previous buffers trailing contents are not sent. Type: feature Change-Id: Ia69cc9aa477f463336483f7556de32476a6f2d51 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
Diffstat (limited to 'src/vlibapi')
-rw-r--r--src/vlibapi/api_helper_macros.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/vlibapi/api_helper_macros.h b/src/vlibapi/api_helper_macros.h
index b4e69b440e9..b19d4f90f81 100644
--- a/src/vlibapi/api_helper_macros.h
+++ b/src/vlibapi/api_helper_macros.h
@@ -59,6 +59,22 @@ do { \
vl_api_send_msg (rp, (u8 *)rmp); \
} while(0);
+#define REPLY_MACRO2_ZERO(t, body) \
+do { \
+ vl_api_registration_t *rp; \
+ rv = vl_msg_api_pd_handler (mp, rv); \
+ rp = vl_api_client_index_to_registration (mp->client_index); \
+ if (rp == 0) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc_zero (sizeof (*rmp)); \
+ rmp->_vl_msg_id = htons((t)+(REPLY_MSG_ID_BASE)); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ do {body;} while (0); \
+ vl_api_send_msg (rp, (u8 *)rmp); \
+} while(0);
+
#define REPLY_MACRO_DETAILS2(t, body) \
do { \
vl_api_registration_t *rp; \
@@ -90,6 +106,22 @@ do { \
vl_api_send_msg (rp, (u8 *)rmp); \
} while(0);
+#define REPLY_MACRO3_ZERO(t, n, body) \
+do { \
+ vl_api_registration_t *rp; \
+ rv = vl_msg_api_pd_handler (mp, rv); \
+ rp = vl_api_client_index_to_registration (mp->client_index); \
+ if (rp == 0) \
+ return; \
+ \
+ rmp = vl_msg_api_alloc_zero (sizeof (*rmp) + n); \
+ rmp->_vl_msg_id = htons((t)+(REPLY_MSG_ID_BASE)); \
+ rmp->context = mp->context; \
+ rmp->retval = ntohl(rv); \
+ do {body;} while (0); \
+ vl_api_send_msg (rp, (u8 *)rmp); \
+} while(0);
+
#define REPLY_MACRO4(t, n, body) \
do { \
vl_api_registration_t *rp; \