struct ybp_event* ybp_get_event(void)
{
struct ybp_event* event = malloc(sizeof(struct ybp_event));
Dprintf("Creating event at 0x%p\n", (void*)event);
ybp_init_event(event);
return event;
}
void ybp_reset_event(struct ybp_event* evbuf)
{
Dprintf("Resetting event\n");
if (evbuf->data != 0) {
Dprintf("Freeing data at 0x%p\n", (void*)evbuf->data);
free(evbuf->data);
evbuf->data = 0;
}
ybp_init_event(evbuf);
}
int main(int argc, char** argv) {
int opt;
int fd;
struct ybp_binlog_parser* bp;
struct ybp_event* evbuf;
long starting_offset = -1;
long starting_time = -1;
int num_to_show = 2;
int show_all = false;
bool q_mode = false;
bool esi = true;
char* database_limit = NULL;
while ((opt = getopt(argc, argv, "ho:t:a:D:qE")) != -1) {
switch (opt) {
case 'h':
usage();
return 0;
case 'o': /* Offset mode */
starting_offset = atoll(optarg);
break;
case 'E':
esi = false;
break;
case 't': /* Time mode */
starting_time = atoll(optarg);
break;
case 'a':
if (strncmp(optarg, "all", 3) == 0) {
num_to_show = 2;
show_all = 1;
break;
}
num_to_show = atoi(optarg);
if (num_to_show < 1)
num_to_show = 1;
break;
case 'D':
database_limit = strdup(optarg);
break;
case 'q':
q_mode = true;
break;
case '?':
fprintf(stderr, "Unknown argument %c\n", optopt);
usage();
return 1;
break;
}
}
if (optind >= argc) {
usage();
return 2;
}
if ((fd = open(argv[optind], O_RDONLY)) <= 0) {
perror("Error opening file");
return 1;
}
if ((bp = ybp_get_binlog_parser(fd)) == NULL) {
perror("init_binlog_parser");
return 1;
}
bp->enforce_server_id = esi;
if ((evbuf = malloc(sizeof(struct ybp_event))) == NULL) {
perror("malloc event");
return 1;
}
ybp_init_event(evbuf);
if (starting_offset >= 0) {
off_t offset = ybp_nearest_offset(bp, starting_offset);
if (offset == -2) {
fprintf(stderr, "Unable to find anything after offset %ld\n", starting_offset);
return 1;
}
else if (offset == -1) {
perror("nearest_offset");
return 1;
}
else {
ybp_rewind_bp(bp, offset);
}
}
if (starting_time >= 0) {
off_t offset = ybp_nearest_time(bp, starting_time);
if (offset == -2) {
fprintf(stderr, "Unable to find anything after time %ld\n", starting_time);
return 1;
}
else if (offset == -1) {
perror("nearest_time");
return 1;
}
else {
ybp_rewind_bp(bp, offset);
}
}
int i = 0;
while ((ybp_next_event(bp, evbuf) >= 0) && (show_all || i < num_to_show)) {
if (q_mode) {
if (evbuf->type_code == QUERY_EVENT) {
struct ybp_query_event_safe* s = ybp_event_to_safe_qe(evbuf);
if ((database_limit == NULL) || (strcmp(s->db_name, database_limit) == 0)) {
printf("%d %s\n", evbuf->timestamp, s->statement);
}
ybp_dispose_safe_qe(s);
}
else if (evbuf->type_code == XID_EVENT) {
struct ybp_xid_event* s = ybp_event_to_safe_xe(evbuf);
printf("%d XID %llu\n", evbuf->timestamp, (long long unsigned)s->id);
ybp_dispose_safe_xe(s);
}
} else {
ybp_print_event(evbuf, bp, stdout, q_mode, false, database_limit);
fprintf(stdout, "\n");
}
ybp_reset_event(evbuf);
i+=1;
}
ybp_dispose_event(evbuf);
ybp_dispose_binlog_parser(bp);
}