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path: root/src/vpp-api/client/stat_client.c
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-rw-r--r--src/vpp-api/client/stat_client.c128
1 files changed, 87 insertions, 41 deletions
diff --git a/src/vpp-api/client/stat_client.c b/src/vpp-api/client/stat_client.c
index 5e10e18c43e..98c275727f0 100644
--- a/src/vpp-api/client/stat_client.c
+++ b/src/vpp-api/client/stat_client.c
@@ -31,16 +31,24 @@
#include "stat_client.h"
#include <stdatomic.h>
-typedef struct
-{
- uint64_t current_epoch;
- stat_segment_shared_header_t *shared_header;
- stat_segment_directory_entry_t *directory_vector;
- ssize_t memory_size;
-} stat_client_main_t;
stat_client_main_t stat_client_main;
+stat_client_main_t *
+stat_client_get (void)
+{
+ stat_client_main_t *sm;
+ sm = (stat_client_main_t *) malloc (sizeof (stat_client_main_t));
+ clib_memset (sm, 0, sizeof (stat_client_main_t));
+ return sm;
+}
+
+void
+stat_client_free (stat_client_main_t * sm)
+{
+ free (sm);
+}
+
static int
recv_fd (int sock)
{
@@ -74,25 +82,30 @@ recv_fd (int sock)
}
static stat_segment_directory_entry_t *
-get_stat_vector (void)
+get_stat_vector_r (stat_client_main_t * sm)
{
- stat_client_main_t *sm = &stat_client_main;
ASSERT (sm->shared_header);
return stat_segment_pointer (sm->shared_header,
sm->shared_header->directory_offset);
}
-int
-stat_segment_connect (char *socket_name)
+static stat_segment_directory_entry_t *
+get_stat_vector (void)
{
stat_client_main_t *sm = &stat_client_main;
+ return get_stat_vector_r (sm);
+}
+
+int
+stat_segment_connect_r (char *socket_name, stat_client_main_t * sm)
+{
int mfd = -1;
int sock;
clib_memset (sm, 0, sizeof (*sm));
if ((sock = socket (AF_UNIX, SOCK_SEQPACKET, 0)) < 0)
{
- perror ("Couldn't open socket");
+ perror ("Stat client couldn't open socket");
return -1;
}
@@ -103,7 +116,6 @@ stat_segment_connect (char *socket_name)
0)
{
close (sock);
- perror ("connect");
return -1;
}
@@ -121,13 +133,13 @@ stat_segment_connect (char *socket_name)
if (fstat (mfd, &st) == -1)
{
- perror ("mmap");
+ perror ("mmap fstat failed");
return -1;
}
if ((memaddr =
mmap (NULL, st.st_size, PROT_READ, MAP_SHARED, mfd, 0)) == MAP_FAILED)
{
- perror ("mmap");
+ perror ("mmap map failed");
return -1;
}
@@ -139,28 +151,45 @@ stat_segment_connect (char *socket_name)
return 0;
}
+int
+stat_segment_connect (char *socket_name)
+{
+ stat_client_main_t *sm = &stat_client_main;
+ return stat_segment_connect_r (socket_name, sm);
+}
+
+void
+stat_segment_disconnect_r (stat_client_main_t * sm)
+{
+ munmap (sm->shared_header, sm->memory_size);
+ return;
+}
+
void
stat_segment_disconnect (void)
{
stat_client_main_t *sm = &stat_client_main;
- munmap (sm->shared_header, sm->memory_size);
+ return stat_segment_disconnect_r (sm);
+}
- return;
+double
+stat_segment_heartbeat_r (stat_client_main_t * sm)
+{
+ stat_segment_directory_entry_t *vec = get_stat_vector_r (sm);
+ double *hb = stat_segment_pointer (sm->shared_header, vec[4].offset);
+ return *hb;
}
double
stat_segment_heartbeat (void)
{
stat_client_main_t *sm = &stat_client_main;
- stat_segment_directory_entry_t *vec = get_stat_vector ();
- double *hb = stat_segment_pointer (sm->shared_header, vec[4].offset);
- return *hb;
+ return stat_segment_heartbeat_r (sm);
}
stat_segment_data_t
-copy_data (stat_segment_directory_entry_t * ep)
+copy_data (stat_segment_directory_entry_t * ep, stat_client_main_t * sm)
{
- stat_client_main_t *sm = &stat_client_main;
stat_segment_data_t result = { 0 };
int i;
vlib_counter_t **combined_c; /* Combined counter */
@@ -254,9 +283,9 @@ typedef struct
} stat_segment_access_t;
static void
-stat_segment_access_start (stat_segment_access_t * sa)
+stat_segment_access_start (stat_segment_access_t * sa,
+ stat_client_main_t * sm)
{
- stat_client_main_t *sm = &stat_client_main;
stat_segment_shared_header_t *shared_header = sm->shared_header;
sa->epoch = shared_header->epoch;
while (shared_header->in_progress != 0)
@@ -264,9 +293,8 @@ stat_segment_access_start (stat_segment_access_t * sa)
}
static bool
-stat_segment_access_end (stat_segment_access_t * sa)
+stat_segment_access_end (stat_segment_access_t * sa, stat_client_main_t * sm)
{
- stat_client_main_t *sm = &stat_client_main;
stat_segment_shared_header_t *shared_header = sm->shared_header;
if (shared_header->epoch != sa->epoch || shared_header->in_progress)
@@ -275,9 +303,8 @@ stat_segment_access_end (stat_segment_access_t * sa)
}
uint32_t *
-stat_segment_ls (uint8_t ** patterns)
+stat_segment_ls_r (uint8_t ** patterns, stat_client_main_t * sm)
{
- stat_client_main_t *sm = &stat_client_main;
stat_segment_access_t sa;
uint32_t *dir = 0;
@@ -294,9 +321,9 @@ stat_segment_ls (uint8_t ** patterns)
}
}
- stat_segment_access_start (&sa);
+ stat_segment_access_start (&sa, sm);
- stat_segment_directory_entry_t *counter_vec = get_stat_vector ();
+ stat_segment_directory_entry_t *counter_vec = get_stat_vector_r (sm);
for (j = 0; j < vec_len (counter_vec); j++)
{
for (i = 0; i < vec_len (patterns); i++)
@@ -315,7 +342,7 @@ stat_segment_ls (uint8_t ** patterns)
for (i = 0; i < vec_len (patterns); i++)
regfree (&regex[i]);
- if (!stat_segment_access_end (&sa))
+ if (!stat_segment_access_end (&sa, sm))
{
/* Failed, clean up */
vec_free (dir);
@@ -328,11 +355,17 @@ stat_segment_ls (uint8_t ** patterns)
return dir;
}
+uint32_t *
+stat_segment_ls (uint8_t ** patterns)
+{
+ stat_client_main_t *sm = &stat_client_main;
+ return stat_segment_ls_r ((uint8_t **) patterns, sm);
+}
+
stat_segment_data_t *
-stat_segment_dump (uint32_t * stats)
+stat_segment_dump_r (uint32_t * stats, stat_client_main_t * sm)
{
int i;
- stat_client_main_t *sm = &stat_client_main;
stat_segment_directory_entry_t *ep;
stat_segment_data_t *res = 0;
stat_segment_access_t sa;
@@ -341,15 +374,15 @@ stat_segment_dump (uint32_t * stats)
if (sm->shared_header->epoch != sm->current_epoch)
return 0;
- stat_segment_access_start (&sa);
+ stat_segment_access_start (&sa, sm);
for (i = 0; i < vec_len (stats); i++)
{
/* Collect counter */
ep = vec_elt_at_index (sm->directory_vector, stats[i]);
- vec_add1 (res, copy_data (ep));
+ vec_add1 (res, copy_data (ep, sm));
}
- if (stat_segment_access_end (&sa))
+ if (stat_segment_access_end (&sa, sm))
return res;
fprintf (stderr, "Epoch changed while reading, invalid results\n");
@@ -357,6 +390,13 @@ stat_segment_dump (uint32_t * stats)
return 0;
}
+stat_segment_data_t *
+stat_segment_dump (uint32_t * stats)
+{
+ stat_client_main_t *sm = &stat_client_main;
+ return stat_segment_dump_r (stats, sm);
+}
+
/* Wrapper for accessing vectors from other languages */
int
stat_segment_vec_len (void *vec)
@@ -381,24 +421,30 @@ stat_segment_string_vector (u8 ** string_vector, char *string)
}
stat_segment_data_t *
-stat_segment_dump_entry (uint32_t index)
+stat_segment_dump_entry_r (uint32_t index, stat_client_main_t * sm)
{
- stat_client_main_t *sm = &stat_client_main;
stat_segment_directory_entry_t *ep;
stat_segment_data_t *res = 0;
stat_segment_access_t sa;
- stat_segment_access_start (&sa);
+ stat_segment_access_start (&sa, sm);
/* Collect counter */
ep = vec_elt_at_index (sm->directory_vector, index);
- vec_add1 (res, copy_data (ep));
+ vec_add1 (res, copy_data (ep, sm));
- if (stat_segment_access_end (&sa))
+ if (stat_segment_access_end (&sa, sm))
return res;
return 0;
}
+stat_segment_data_t *
+stat_segment_dump_entry (uint32_t index)
+{
+ stat_client_main_t *sm = &stat_client_main;
+ return stat_segment_dump_entry_r (index, sm);
+}
+
char *
stat_segment_index_to_name (uint32_t index)
{