void
recv_command(char *command)
{
struct tnt_iter i;
tnt_iter_reply(&i, tnt);
while (tnt_next(&i)) {
struct tnt_reply *r = TNT_IREPLY_PTR(&i);
printf("%s: respond %s (op: %"PRIu32", reqid: %"PRIu32", code: %"PRIu32", count: %"PRIu32")\n",
command, tnt_strerror(tnt),
r->op,
r->reqid,
r->code,
r->count);
struct tnt_iter it;
tnt_iter_list(&it, TNT_REPLY_LIST(r));
while (tnt_next(&it)) {
struct tnt_tuple *tu = TNT_ILIST_TUPLE(&it);
print_tuple(tu);
}
tnt_iter_free(&it);
}
if (i.status == TNT_ITER_FAIL)
fail_tnt_perror("tnt_next");
tnt_iter_free(&i);
}
/*
* tnt_select()
*
* write select request to stream;
*
* s - stream pointer
* ns - space
* index - request index
* offset- request offset
* limit - request limit
* keys - list of tuples keys
*
* returns number of bytes written, or -1 on error.
*/
ssize_t
tnt_select(struct tnt_stream *s,
uint32_t ns,
uint32_t index, uint32_t offset, uint32_t limit,
struct tnt_list *keys)
{
/* calculating tuples sizes */
size_t size = 0;
struct tnt_iter i;
tnt_iter_list(&i, keys);
while (tnt_next(&i)) {
struct tnt_tuple *t = TNT_ILIST_TUPLE(&i);
size += t->size;
}
/* filling major header */
struct tnt_header hdr;
hdr.type = TNT_OP_SELECT;
hdr.len = sizeof(struct tnt_header_select) + 4 + size;
hdr.reqid = s->reqid;
/* filling select header */
struct tnt_header_select hdr_sel;
hdr_sel.ns = ns;
hdr_sel.index = index;
hdr_sel.offset = offset;
hdr_sel.limit = limit;
/* allocating write vector */
int vc = 3 + keys->count;
struct iovec *v = tnt_mem_alloc(sizeof(struct iovec) * vc);
if (v == NULL) {
tnt_iter_free(&i);
return -1;
}
/* filling write vector */
v[0].iov_base = &hdr;
v[0].iov_len = sizeof(struct tnt_header);
v[1].iov_base = &hdr_sel;
v[1].iov_len = sizeof(struct tnt_header_select);
v[2].iov_base = &keys->count;
v[2].iov_len = 4;
int vi = 3;
tnt_rewind(&i);
while (tnt_next(&i)) {
struct tnt_tuple *t = TNT_ILIST_TUPLE(&i);
v[vi].iov_base = t->data;
v[vi].iov_len = t->size;
vi++;
}
tnt_iter_free(&i);
/* writing data to stream */
ssize_t rc = s->writev(s, v, vc);
tnt_mem_free(v);
return rc;
}
static int tc_wal_foreach(struct tnt_stream *s, tc_wal_t cb) {
struct tnt_iter i;
tnt_iter_request(&i, s);
while (tnt_next(&i)) {
if (cb(&i) == -1) {
tnt_iter_free(&i);
return -1;
}
}
int rc = 0;
if (i.status == TNT_ITER_FAIL)
rc = tc_wal_error("parsing failed");
tnt_iter_free(&i);
return rc;
}
void tc_print_tuple(struct tnt_tuple *tu)
{
struct tnt_iter ifl;
tnt_iter(&ifl, tu);
printf("[");
while (tnt_next(&ifl)) {
if (TNT_IFIELD_IDX(&ifl) != 0)
printf(", ");
char *data = TNT_IFIELD_DATA(&ifl);
uint32_t size = TNT_IFIELD_SIZE(&ifl);
if (!isprint(data[0]) && (size == 4 || size == 8)) {
if (size == 4) {
uint32_t i = *((uint32_t*)data);
printf("%"PRIu32, i);
} else {
uint64_t i = *((uint64_t*)data);
printf("%"PRIu64, i);
}
} else {
printf("'%-.*s'", size, data);
}
}
if (ifl.status == TNT_ITER_FAIL)
printf("<parsing error>");
printf("]\n");
tnt_iter_free(&ifl);
}
void tc_print_list(struct tnt_list *l)
{
struct tnt_iter it;
tnt_iter_list(&it, l);
while (tnt_next(&it)) {
struct tnt_tuple *tu = TNT_ILIST_TUPLE(&it);
tc_print_tuple(tu);
}
tnt_iter_free(&it);
}
/*
* tnt_field()
*
* set or create iterator to the specified tuple field;
*
* i - tuple iterator pointer
* t - tuple pointer
* index - tuple field index
*
* returns tuple iterator pointer if field found, NULL otherwise.
*/
struct tnt_iter*
tnt_field(struct tnt_iter *i, struct tnt_tuple *t, uint32_t index)
{
int allocated = i == NULL;
if (i == NULL) {
i = tnt_iter(i, t);
if (i == NULL)
return NULL;
} else
tnt_rewind(i);
while (tnt_next(i))
if (TNT_IFIELD_IDX(i) == index)
return i;
if (allocated)
tnt_iter_free(i);
return NULL;
}
int tc_verify_process(struct tc_spaces *s, uint64_t lsn, char *snap_dir)
{
char path[1024];
snprintf(path, sizeof(path), "%s/%020llu.snap", snap_dir,
(long long unsigned)lsn);
printf("(snapshot) %s\n", path);
struct tnt_stream st;
tnt_snapshot(&st);
if (tnt_snapshot_open(&st, path) == -1) {
printf("failed to open snapshot file\n");
tnt_stream_free(&st);
return -1;
}
struct tnt_iter i;
tnt_iter_storage(&i, &st);
int errors = 0;
int rc = 0;
while (tnt_next(&i)) {
struct tnt_iter_storage *is = TNT_ISTORAGE(&i);
struct tnt_stream_snapshot *ss =
TNT_SSNAPSHOT_CAST(TNT_IREQUEST_STREAM(&i));
int result = tc_verify_cmp(s, lsn, is, ss);
if (result == -1)
errors++;
}
if (i.status == TNT_ITER_FAIL) {
printf("snapshot parsing failed: %s\n", tnt_snapshot_strerror(&st));
rc = -1;
}
if (errors)
rc = -1;
tnt_iter_free(&i);
tnt_stream_free(&st);
return rc;
}
void
print_tuple(struct tnt_tuple *tuple)
{
bool is_first = true;
printf("(");
struct tnt_iter ifl;
tnt_iter(&ifl, tuple);
while (tnt_next(&ifl)) {
char *data = TNT_IFIELD_DATA(&ifl);
uint32_t size = TNT_IFIELD_SIZE(&ifl);
if (!is_first) {
printf(", ");
}
is_first = false;
switch(size) {
case 1:
printf("%"PRIi8" (0x%02"PRIx8")", *(int8_t *)data, *(int8_t *)data);
break;
case 2:
printf("%"PRIi16" (0x%04"PRIx16")", *(int16_t *)data, *(int16_t *)data);
break;
case 4:
printf("%"PRIi32" (0x%08"PRIx32")", *(int32_t *)data, *(int32_t *)data);
break;
case 8:
printf("%"PRIi64" (0x%016"PRIx64")", *(int64_t *)data, *(int64_t *)data);
break;
default:
printf("'%.*s'", size, data);
break;
}
}
fail_if(ifl.status == TNT_ITER_FAIL);
tnt_iter_free(&ifl);
printf(")\n");
}