static void
_msg_engine(void)
{
slurm_addr_t *cli;
slurm_fd_t sock;
msg_pthread = pthread_self();
slurmd_req(NULL); /* initialize timer */
while (!_shutdown) {
if (_reconfig) {
verbose("got reconfigure request");
_wait_for_all_threads(5); /* Wait for RPCs to finish */
_reconfigure();
}
cli = xmalloc (sizeof (slurm_addr_t));
if ((sock = slurm_accept_msg_conn(conf->lfd, cli)) >= 0) {
_handle_connection(sock, cli);
continue;
}
/*
* Otherwise, accept() failed.
*/
xfree (cli);
if (errno == EINTR)
continue;
error("accept: %m");
}
verbose("got shutdown request");
slurm_shutdown_msg_engine(conf->lfd);
return;
}
/* run along queue checking for any data that has come in or a timeout */
static void process_request_queue (void)
{
client_queue_t **node_ref = (client_queue_t **)&_req_queue;
ice_config_t *config = config_get_config ();
int timeout = config->header_timeout;
config_release_config();
while (*node_ref)
{
client_queue_t *node = *node_ref;
client_t *client = node->client;
int len = PER_CLIENT_REFBUF_SIZE - 1 - node->offset;
char *buf = client->refbuf->data + node->offset;
if (len > 0)
{
if (client->con->con_time + timeout <= time(NULL))
len = 0;
else
len = client_read_bytes (client, buf, len);
}
if (len > 0)
{
int pass_it = 1;
char *ptr;
/* handle \n, \r\n and nsvcap which for some strange reason has
* EOL as \r\r\n */
node->offset += len;
client->refbuf->data [node->offset] = '\000';
do
{
if (node->shoutcast == 1)
{
/* password line */
if (strstr (client->refbuf->data, "\r\r\n") != NULL)
break;
if (strstr (client->refbuf->data, "\r\n") != NULL)
break;
if (strstr (client->refbuf->data, "\n") != NULL)
break;
}
/* stream_offset refers to the start of any data sent after the
* http style headers, we don't want to lose those */
ptr = strstr (client->refbuf->data, "\r\r\n\r\r\n");
if (ptr)
{
node->stream_offset = (ptr+6) - client->refbuf->data;
break;
}
ptr = strstr (client->refbuf->data, "\r\n\r\n");
if (ptr)
{
node->stream_offset = (ptr+4) - client->refbuf->data;
break;
}
ptr = strstr (client->refbuf->data, "\n\n");
if (ptr)
{
node->stream_offset = (ptr+2) - client->refbuf->data;
break;
}
pass_it = 0;
} while (0);
if (pass_it)
{
if ((client_queue_t **)_req_queue_tail == &(node->next))
_req_queue_tail = (volatile client_queue_t **)node_ref;
*node_ref = node->next;
node->next = NULL;
_add_connection (node);
continue;
}
}
else
{
if (len == 0 || client->con->error)
{
if ((client_queue_t **)_req_queue_tail == &node->next)
_req_queue_tail = (volatile client_queue_t **)node_ref;
*node_ref = node->next;
client_destroy (client);
free (node);
continue;
}
}
node_ref = &node->next;
}
_handle_connection();
}
