*/
typedef struct
{
+ /** spinlock to protect e.g. pcap_data */
+ clib_spinlock_t lock;
+
/** File name of pcap output. */
char *file_name;
/** Packets read from file. */
u8 **packets_read;
+ /** Timestamps */
+ u64 *timestamps;
+
/** Min/Max Packet bytes */
u32 min_packet_bytes, max_packet_bytes;
} pcap_main_t;
f64 time_now = vlib_time_now (vm);
void *d;
- d = pcap_add_packet (pm, time_now, n_left, n);
- while (1)
+ if (PREDICT_TRUE (pm->n_packets_captured < pm->n_packets_to_capture))
{
- u32 copy_length = clib_min ((u32) n_left, b->current_length);
- clib_memcpy (d, b->data + b->current_data, copy_length);
- n_left -= b->current_length;
- if (n_left <= 0)
- break;
- d += b->current_length;
- ASSERT (b->flags & VLIB_BUFFER_NEXT_PRESENT);
- b = vlib_get_buffer (vm, b->next_buffer);
+ clib_spinlock_lock_if_init (&pm->lock);
+ d = pcap_add_packet (pm, time_now, n_left, n);
+ while (1)
+ {
+ u32 copy_length = clib_min ((u32) n_left, b->current_length);
+ clib_memcpy_fast (d, b->data + b->current_data, copy_length);
+ n_left -= b->current_length;
+ if (n_left <= 0)
+ break;
+ d += b->current_length;
+ ASSERT (b->flags & VLIB_BUFFER_NEXT_PRESENT);
+ b = vlib_get_buffer (vm, b->next_buffer);
+ }
+ clib_spinlock_unlock_if_init (&pm->lock);
}
-
- /** Flush output vector. */
- if (vec_len (pm->pcap_data) >= 64 * 1024
- || pm->n_packets_captured >= pm->n_packets_to_capture)
- pcap_write (pm);
}
#endif /* included_vnet_pcap_h */