diff options
| author |   Paul Vinciguerra <pvinci@vinciconsulting.com> | 2020-01-27 18:42:25 -0500 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2020-02-26 11:54:49 +0000 |
| commit | f24de1795c45174c4de2d9867dbff324064b1eb3 (patch) | |
| tree | f16d19ab75c536a1ec33a065edbd170e0b2ef45e /src | |
| parent | 7d4cd0cf6f1a94953ef97ab885752424dea6948c (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')
| -rw-r--r-- | src/vlibapi/api_helper_macros.h | 32 |
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; \ |