static int
test1()
{
GWBUF *buffer;
char *(sql[100]);
int result, length, residual;
/* Poll tests */
ss_dfprintf(stderr,
"testmodutil : Rudimentary tests.");
buffer = gwbuf_alloc(100);
ss_info_dassert(0 == modutil_is_SQL(buffer), "Default buffer should be diagnosed as not SQL");
/* There would ideally be some straightforward way to create a SQL buffer? */
ss_dfprintf(stderr, "\t..done\nExtract SQL from buffer");
ss_info_dassert(0 == modutil_extract_SQL(buffer, sql, &length), "Default buffer should fail");
ss_dfprintf(stderr, "\t..done\nExtract SQL from buffer different way?");
ss_info_dassert(0 == modutil_MySQL_Query(buffer, sql, &length, &residual), "Default buffer should fail");
ss_dfprintf(stderr, "\t..done\nReplace SQL in buffer");
ss_info_dassert(0 == modutil_replace_SQL(buffer, "select * from some_table;"), "Default buffer should fail");
ss_dfprintf(stderr, "\t..done\nTidy up.");
gwbuf_free(buffer);
ss_dfprintf(stderr, "\t..done\n");
return 0;
}
/**
* We have data from the client, this is a SQL command, or other MySQL
* packet type.
*
* @param instance The router instance
* @param router_session The router session returned from the newSession call
* @param queue The queue of data buffers to route
* @return The number of bytes sent
*/
static int
execute(ROUTER *rinstance, void *router_session, GWBUF *queue)
{
INFO_INSTANCE *instance = (INFO_INSTANCE *)rinstance;
INFO_SESSION *session = (INFO_SESSION *)router_session;
uint8_t *data;
int length, len, residual;
char *sql;
if (GWBUF_TYPE(queue) == GWBUF_TYPE_HTTP)
{
return handle_url(instance, session, queue);
}
if (session->queue)
{
queue = gwbuf_append(session->queue, queue);
session->queue = NULL;
queue = gwbuf_make_contiguous(queue);
}
data = (uint8_t *)GWBUF_DATA(queue);
length = data[0] + (data[1] << 8) + (data[2] << 16);
if (length + 4 > GWBUF_LENGTH(queue))
{
// Incomplete packet, must be buffered
session->queue = queue;
return 1;
}
// We have a complete request in a signle buffer
if (modutil_MySQL_Query(queue, &sql, &len, &residual))
{
sql = strndup(sql, len);
int rc = maxinfo_execute_query(instance, session, sql);
free(sql);
return rc;
}
else
{
switch (MYSQL_COMMAND(queue))
{
case COM_PING:
return maxinfo_ping(instance, session, queue);
case COM_STATISTICS:
return maxinfo_statistics(instance, session, queue);
default:
MXS_ERROR("maxinfo: Unexpected MySQL command 0x%x",
MYSQL_COMMAND(queue));
}
}
return 1;
}
