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ctdb-protocol: Add marshalling for ctdb_dbid

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This commit is contained in:
Amitay Isaacs 2017-07-06 17:53:24 +10:00 committed by Martin Schwenke
parent 28734f1bb1
commit 917c0eca0d
3 changed files with 82 additions and 0 deletions

View File

@ -122,6 +122,11 @@ void ctdb_vnn_map_push(struct ctdb_vnn_map *in, uint8_t *buf, size_t *npush);
int ctdb_vnn_map_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx,
struct ctdb_vnn_map **out, size_t *npull);
size_t ctdb_dbid_len(struct ctdb_dbid *in);
void ctdb_dbid_push(struct ctdb_dbid *in, uint8_t *buf, size_t *npush);
int ctdb_dbid_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx,
struct ctdb_dbid **out, size_t *npull);
size_t ctdb_dbid_map_len(struct ctdb_dbid_map *dbmap);
void ctdb_dbid_map_push(struct ctdb_dbid_map *dbmap, uint8_t *buf);
int ctdb_dbid_map_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx,

View File

@ -932,6 +932,81 @@ fail:
return ret;
}
size_t ctdb_dbid_len(struct ctdb_dbid *in)
{
return ctdb_uint32_len(&in->db_id) +
ctdb_uint8_len(&in->flags) +
ctdb_padding_len(3);
}
void ctdb_dbid_push(struct ctdb_dbid *in, uint8_t *buf, size_t *npush)
{
size_t offset = 0, np;
ctdb_uint32_push(&in->db_id, buf+offset, &np);
offset += np;
ctdb_uint8_push(&in->flags, buf+offset, &np);
offset += np;
ctdb_padding_push(3, buf+offset, &np);
offset += np;
*npush = offset;
}
static int ctdb_dbid_pull_elems(uint8_t *buf, size_t buflen,
TALLOC_CTX *mem_ctx, struct ctdb_dbid *out,
size_t *npull)
{
size_t offset = 0, np;
int ret;
ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->db_id, &np);
if (ret != 0) {
return ret;
}
offset += np;
ret = ctdb_uint8_pull(buf+offset, buflen-offset, &out->flags, &np);
if (ret != 0) {
return ret;
}
offset += np;
ret = ctdb_padding_pull(buf+offset, buflen-offset, 3, &np);
if (ret != 0) {
return ret;
}
offset += np;
*npull = offset;
return 0;
}
int ctdb_dbid_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx,
struct ctdb_dbid **out, size_t *npull)
{
struct ctdb_dbid *val;
size_t np;
int ret;
val = talloc(mem_ctx, struct ctdb_dbid);
if (val == NULL) {
return ENOMEM;
}
ret = ctdb_dbid_pull_elems(buf, buflen, val, val, &np);
if (ret != 0) {
talloc_free(val);
return ret;
}
*out = val;
*npull = np;
return 0;
}
struct ctdb_dbid_map_wire {
uint32_t num;
struct ctdb_dbid dbs[1];

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@ -65,6 +65,7 @@ static void test_ctdb_g_lock(void)
PROTOCOL_TYPE3_TEST(struct ctdb_statistics, ctdb_statistics);
PROTOCOL_TYPE3_TEST(struct ctdb_vnn_map, ctdb_vnn_map);
PROTOCOL_TYPE3_TEST(struct ctdb_dbid, ctdb_dbid);
DEFINE_TEST(struct ctdb_dbid_map, ctdb_dbid_map);
DEFINE_TEST(struct ctdb_pulldb, ctdb_pulldb);
DEFINE_TEST(struct ctdb_pulldb_ext, ctdb_pulldb_ext);
@ -164,6 +165,7 @@ int main(int argc, char *argv[])
TEST_FUNC(ctdb_statistics)();
TEST_FUNC(ctdb_vnn_map)();
TEST_FUNC(ctdb_dbid)();
TEST_FUNC(ctdb_dbid_map)();
TEST_FUNC(ctdb_pulldb)();
TEST_FUNC(ctdb_pulldb_ext)();