#include "vppapiclient.h"
+bool timeout_cancelled;
+bool timeout_in_progress;
+
/*
* Asynchronous mode:
* Client registers a callback. All messages are sent to the callback.
vac_callback_t vac_callback;
u16 read_timeout = 0;
bool rx_is_running = false;
+bool timeout_thread_cancelled = false;
/* Set to true to enable memory tracing */
bool mem_trace = false;
api_main_t *am = &api_main;
struct timespec ts;
struct timeval tv;
- u16 timeout;
int rv;
while (pm->timeout_loop)
{
/* Wait for poke */
pthread_mutex_lock(&pm->timeout_lock);
- pthread_cond_wait (&pm->timeout_cv, &pm->timeout_lock);
- timeout = read_timeout;
+ while (!timeout_in_progress)
+ pthread_cond_wait (&pm->timeout_cv, &pm->timeout_lock);
+
+ /* Starting timer */
gettimeofday(&tv, NULL);
- ts.tv_sec = tv.tv_sec + timeout;
+ ts.tv_sec = tv.tv_sec + read_timeout;
ts.tv_nsec = 0;
- rv = pthread_cond_timedwait (&pm->timeout_cancel_cv,
- &pm->timeout_lock, &ts);
- pthread_mutex_unlock(&pm->timeout_lock);
- if (rv == ETIMEDOUT)
- {
+
+ if (!timeout_cancelled) {
+ rv = pthread_cond_timedwait (&pm->timeout_cancel_cv,
+ &pm->timeout_lock, &ts);
+ if (rv == ETIMEDOUT && !timeout_thread_cancelled) {
ep = vl_msg_api_alloc (sizeof (*ep));
ep->_vl_msg_id = ntohs(VL_API_MEMCLNT_READ_TIMEOUT);
vl_msg_api_send_shmem(am->vl_input_queue, (u8 *)&ep);
}
+ }
+
+ pthread_mutex_unlock(&pm->timeout_lock);
}
pthread_exit(0);
}
ep = vl_msg_api_alloc (sizeof (*ep));
ep->_vl_msg_id = ntohs(VL_API_MEMCLNT_RX_THREAD_SUSPEND);
vl_msg_api_send_shmem(am->vl_input_queue, (u8 *)&ep);
- /* Wait for RX thread to tell us it has suspendend */
+ /* Wait for RX thread to tell us it has suspended */
pthread_cond_wait(&pm->suspend_cv, &pm->queue_lock);
rx_is_running = false;
}
vl_set_memory_root_path (chroot_prefix);
if ((rv = vl_client_api_map("/vpe-api"))) {
- clib_warning ("vl_client_api map rv %d", rv);
+ clib_warning ("vl_client_api_map returned %d", rv);
return rv;
}
return (0);
}
-
static void
set_timeout (unsigned short timeout)
{
vac_main_t *pm = &vac_main;
pthread_mutex_lock(&pm->timeout_lock);
read_timeout = timeout;
+ timeout_in_progress = true;
+ timeout_cancelled = false;
pthread_cond_signal(&pm->timeout_cv);
pthread_mutex_unlock(&pm->timeout_lock);
}
{
vac_main_t *pm = &vac_main;
pthread_mutex_lock(&pm->timeout_lock);
+ timeout_in_progress = false;
+ timeout_cancelled = true;
pthread_cond_signal(&pm->timeout_cancel_cv);
pthread_mutex_unlock(&pm->timeout_lock);
}
}
if (pm->timeout_thread_handle) {
/* cancel, wake then join the timeout thread */
- clib_warning("vac_disconnect cnacel");
pm->timeout_loop = 0;
+ timeout_thread_cancelled = true;
set_timeout(0);
pthread_join(pm->timeout_thread_handle, (void **) &junk);
}
u16 msg_id = ntohs(*((u16 *)msg));
switch (msg_id) {
case VL_API_RX_THREAD_EXIT:
- printf("Received thread exit\n");
vl_msg_api_free((void *) msg);
- return -1;
+ goto error;
case VL_API_MEMCLNT_RX_THREAD_SUSPEND:
- printf("Received thread suspend\n");
goto error;
case VL_API_MEMCLNT_READ_TIMEOUT:
- printf("Received read timeout %ds\n", timeout);
goto error;
case VL_API_MEMCLNT_KEEPALIVE:
/* Handle an alive-check ping from vpp. */
msgbuf = (msgbuf_t *)(((u8 *)msg) - offsetof(msgbuf_t, data));
*l = ntohl(msgbuf->data_len);
if (*l == 0) {
- printf("Unregistered API message: %d\n", msg_id);
+ fprintf(stderr, "Unregistered API message: %d\n", msg_id);
goto error;
}
}
*p = (char *)msg;
- /* Let timeout notification thread know we're done */
- unset_timeout();
} else {
- printf("Read failed with %d\n", rv);
+ fprintf(stderr, "Read failed with %d\n", rv);
}
+ /* Let timeout notification thread know we're done */
+ if (timeout)
+ unset_timeout();
+
return (rv);
error:
+ if (timeout)
+ unset_timeout();
vl_msg_api_free((void *) msg);
/* Client might forget to resume RX thread on failure */
vac_rx_resume ();
u32 client_index;
}) vl_api_header_t;
-static unsigned int
+static u32
vac_client_index (void)
{
return (api_main.my_client_index);
q = am->shmem_hdr->vl_input_queue;
rv = svm_queue_add(q, (u8 *)&mp, 0);
if (rv != 0) {
- clib_warning("vpe_api_write fails: %d\n", rv);
+ fprintf(stderr, "vpe_api_write fails: %d\n", rv);
/* Clear message */
vac_free(mp);
}