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-rw-r--r--src/vcl/vppcom.c90
1 files changed, 84 insertions, 6 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 2e3af1b3526..dcf63d07063 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -23,6 +23,7 @@
#include <vcl/vppcom.h>
#include <vlib/unix/unix.h>
#include <vppinfra/vec_bootstrap.h>
+#include <vppinfra/elog.h>
#define vl_typedefs /* define message structures */
#include <vpp/api/vpe_all_api_h.h>
@@ -127,6 +128,7 @@ typedef struct
u8 proto;
u64 client_queue_address;
u64 options[16];
+ elog_track_t elog_track;
} session_t;
typedef struct vppcom_cfg_t_
@@ -150,6 +152,8 @@ typedef struct vppcom_cfg_t_
f64 app_timeout;
f64 session_timeout;
f64 accept_timeout;
+ u32 event_ring_size;
+ char *event_log_path;
} vppcom_cfg_t;
typedef struct vppcom_main_t_
@@ -191,6 +195,10 @@ typedef struct vppcom_main_t_
vppcom_cfg_t cfg;
+ /* Event logging */
+ elog_main_t elog_main;
+ elog_track_t elog_track;
+
/* VNET_API_ERROR_FOO -> "Foo" hash table */
uword *error_string_by_error_number;
} vppcom_main_t;
@@ -355,10 +363,31 @@ vppcom_session_table_del_listener (u64 listener_handle)
hash_unset (vcm->session_index_by_vpp_handles, listener_handle);
}
+static void
+write_elog (void)
+{
+ elog_main_t *em = &vcm->elog_main;
+ char *chroot_file;
+ clib_error_t *error = 0;
+
+ chroot_file =
+ (char *) format (0, "%s/%d-%d-vcl-elog%c", vcm->cfg.event_log_path,
+ vcm->my_client_index, getpid (), 0);
+ error = elog_write_file (em, chroot_file, 1 /* flush ring */ );
+ if (error)
+ {
+ clib_error_report (error);
+ }
+ if (VPPCOM_DEBUG > 0)
+ clib_warning ("[%d] Event Log:'%s' ", getpid (), chroot_file);
+
+}
+
static int
vppcom_connect_to_vpp (char *app_name)
{
api_main_t *am = &api_main;
+ int rv = VPPCOM_OK;
if (VPPCOM_DEBUG > 0)
printf ("\nConnecting to VPP api...");
@@ -366,16 +395,45 @@ vppcom_connect_to_vpp (char *app_name)
vcm->cfg.vpp_api_q_length) < 0)
{
clib_warning ("[%d] connect to vpp (%s) failed!", getpid (), app_name);
- return VPPCOM_ECONNREFUSED;
+ rv = VPPCOM_ECONNREFUSED;
+ }
+ else
+ {
+
+ vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
+ vcm->my_client_index = am->my_client_index;
+ vcm->app_state = STATE_APP_CONN_VPP;
+
+ if (VPPCOM_DEBUG > 0)
+ printf (" connected!\n");
}
- vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
- vcm->my_client_index = am->my_client_index;
if (VPPCOM_DEBUG > 0)
- printf (" connected!\n");
+ {
+ vcm->elog_main.lock =
+ clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
+ vcm->elog_main.lock[0] = 0;
+ vcm->elog_main.event_ring_size = vcm->cfg.event_ring_size;
+ elog_init (&vcm->elog_main, vcm->elog_main.event_ring_size);
+ elog_enable_disable (&vcm->elog_main, 1);
- vcm->app_state = STATE_APP_CONN_VPP;
- return VPPCOM_OK;
+ vcm->elog_track.name =
+ (char *) format (0, "P:%d:C:%d%c", getpid (),
+ vcm->my_client_index, 0);
+ elog_track_register (&vcm->elog_main, &vcm->elog_track);
+
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "connect_vpp:rv:%d",.format_args = "i4",};
+ struct
+ {
+ u32 data;
+ } *ed;
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
+ ed->data = rv;
+ }
+
+ return rv;
}
static u8 *
@@ -1466,6 +1524,8 @@ vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
vcl_cfg->app_timeout = 10 * 60.0;
vcl_cfg->session_timeout = 10 * 60.0;
vcl_cfg->accept_timeout = 60.0;
+ vcl_cfg->event_ring_size = (128 << 10);
+ vcl_cfg->event_log_path = "/dev/shm";
}
static void
@@ -2104,6 +2164,19 @@ vppcom_app_destroy (void)
clib_warning ("[%d] detaching from VPP, my_client_index %d (0x%x)",
getpid (), vcm->my_client_index, vcm->my_client_index);
+ if (VPPCOM_DEBUG > 0)
+ {
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "app_detach:C:%d",.format_args = "i4",};
+ struct
+ {
+ u32 data;
+ } *ed;
+ ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
+ ed->data = vcm->my_client_index;
+ }
+
vppcom_app_detach ();
rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
if (PREDICT_FALSE (rv))
@@ -2112,6 +2185,11 @@ vppcom_app_destroy (void)
clib_warning ("[%d] application detach timed out! returning %d (%s)",
getpid (), rv, vppcom_retval_str (rv));
}
+
+ /* Finished with logging before client gets reset to ~0 */
+ if (VPPCOM_DEBUG > 0)
+ write_elog ();
+
vl_client_disconnect_from_vlib ();
vcm->my_client_index = ~0;
vcm->app_state = STATE_APP_START;