int sockinfo::ioctl(unsigned long int __request, unsigned long int __arg) throw (vma_error)
{
int *p_arg = (int *)__arg;
switch (__request) {
case FIONBIO:
{
si_logdbg("request=FIONBIO, arg=%d", *p_arg);
if (*p_arg)
set_blocking(false);
else
set_blocking(true);
}
break;
default:
char buf[128];
snprintf(buf, sizeof(buf), "unimplemented ioctl request=%#x, flags=%#x", (unsigned)__request, (unsigned)__arg);
buf[ sizeof(buf)-1 ] = '\0';
VLOG_PRINTF_INFO(safe_mce_sys().exception_handling.get_log_severity(), "%s", buf);
int rc = handle_exception_flow();
switch (rc) {
case -1:
return rc;
case -2:
vma_throw_object_with_msg(vma_unsupported_api, buf);
}
break;
}
si_logdbg("going to OS for ioctl request=%d, flags=%x", __request, __arg);
return orig_os_api.ioctl(m_fd, __request, __arg);
}
mem_buf_desc_t *buffer_pool::get_buffers(size_t count, uint32_t lkey)
{
mem_buf_desc_t *next, *head;
__log_info_funcall("requested %lu, present %lu, created %lu", count, m_n_buffers, m_n_buffers_created);
if (unlikely(m_n_buffers < count)) {
static vlog_levels_t log_severity = VLOG_DEBUG; // DEBUG severity will be used only once - at the 1st time
VLOG_PRINTF_INFO(log_severity, "ERROR! not enough buffers in the pool (requested: %lu, have: %lu, created: %lu, Buffer pool type: %s)",
count, m_n_buffers, m_n_buffers_created, m_p_bpool_stat->is_rx ? "Rx" : "Tx");
log_severity = VLOG_FUNC; // for all times but the 1st one
m_p_bpool_stat->n_buffer_pool_no_bufs++;
return NULL;
}
// pop buffers from the list
head = NULL;
m_n_buffers -= count;
m_p_bpool_stat->n_buffer_pool_size -= count;
while (count > 0) {
next = m_p_head->p_next_desc;
m_p_head->p_next_desc = head;
head = m_p_head;
m_p_head = next;
head->lkey = lkey;
--count;
}
return head;
}
int sockinfo::fcntl(int __cmd, unsigned long int __arg)
{
switch (__cmd) {
case F_SETFL:
{
si_logdbg("cmd=F_SETFL, arg=%#x", __arg);
if (__arg & O_NONBLOCK)
set_blocking(false);
else
set_blocking(true);
}
break;
case F_GETFL: /* Get file status flags. */
si_logfunc("cmd=F_GETFL, arg=%#x", __arg);
break;
case F_GETFD: /* Get file descriptor flags. */
si_logfunc("cmd=F_GETFD, arg=%#x", __arg);
break;
case F_SETFD: /* Set file descriptor flags. */
si_logfunc("cmd=F_SETFD, arg=%#x", __arg);
break;
default:
char buf[128];
snprintf(buf, sizeof(buf), "unimplemented fcntl cmd=%#x, arg=%#x", (unsigned)__cmd, (unsigned)__arg);
buf[ sizeof(buf)-1 ] = '\0';
VLOG_PRINTF_INFO(safe_mce_sys().exception_handling.get_log_severity(), "%s", buf);
int rc = handle_exception_flow();
switch (rc) {
case -1:
return rc;
case -2:
vma_throw_object_with_msg(vma_unsupported_api, buf);
}
break;
}
si_logdbg("going to OS for fcntl cmd=%d, arg=%#x", __cmd, __arg);
return orig_os_api.fcntl(m_fd, __cmd, __arg);
}
