X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvpp-api%2Fclient%2Fstat_client.c;h=0eaec15ffb6c6416300000fcc0d2ec116ad7a447;hb=3ffe6cadf;hp=bb7f240a753769dae830dc3f5e3343142ae0d048;hpb=90a9fdfd3e7a3150aa30ef3ccf7aa3cc54301383;p=vpp.git diff --git a/src/vpp-api/client/stat_client.c b/src/vpp-api/client/stat_client.c index bb7f240a753..0eaec15ffb6 100644 --- a/src/vpp-api/client/stat_client.c +++ b/src/vpp-api/client/stat_client.c @@ -97,13 +97,6 @@ get_stat_vector_r (stat_client_main_t * sm) sm->shared_header->directory_offset); } -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 (const char *socket_name, stat_client_main_t * sm) { @@ -124,14 +117,14 @@ stat_segment_connect_r (const char *socket_name, stat_client_main_t * sm) 0) { close (sock); - return -1; + return -2; } if ((mfd = recv_fd (sock)) < 0) { close (sock); fprintf (stderr, "Receiving file descriptor failed\n"); - return -1; + return -3; } close (sock); @@ -141,16 +134,19 @@ stat_segment_connect_r (const char *socket_name, stat_client_main_t * sm) if (fstat (mfd, &st) == -1) { + close (mfd); perror ("mmap fstat failed"); - return -1; + return -4; } if ((memaddr = mmap (NULL, st.st_size, PROT_READ, MAP_SHARED, mfd, 0)) == MAP_FAILED) { + close (mfd); perror ("mmap map failed"); - return -1; + return -5; } + close (mfd); sm->memory_size = st.st_size; sm->shared_header = memaddr; sm->directory_vector = @@ -173,6 +169,34 @@ stat_segment_disconnect_r (stat_client_main_t * sm) return; } +typedef struct +{ + uint64_t epoch; +} stat_segment_access_t; + +static void +stat_segment_access_start (stat_segment_access_t * sa, + stat_client_main_t * sm) +{ + stat_segment_shared_header_t *shared_header = sm->shared_header; + sa->epoch = shared_header->epoch; + while (shared_header->in_progress != 0) + ; + sm->directory_vector = stat_segment_pointer (sm->shared_header, + sm-> + shared_header->directory_offset); +} + +static bool +stat_segment_access_end (stat_segment_access_t * sa, stat_client_main_t * sm) +{ + stat_segment_shared_header_t *shared_header = sm->shared_header; + + if (shared_header->epoch != sa->epoch || shared_header->in_progress) + return false; + return true; +} + void stat_segment_disconnect (void) { @@ -183,9 +207,17 @@ stat_segment_disconnect (void) 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; + stat_segment_access_t sa; + stat_segment_directory_entry_t *ep; + + /* Has directory been update? */ + if (sm->shared_header->epoch != sm->current_epoch) + return 0; + stat_segment_access_start (&sa, sm); + ep = vec_elt_at_index (sm->directory_vector, STAT_COUNTER_HEARTBEAT); + if (!stat_segment_access_end (&sa, sm)) + return 0.0; + return ep->value; } double @@ -195,14 +227,13 @@ stat_segment_heartbeat (void) return stat_segment_heartbeat_r (sm); } -stat_segment_data_t +static stat_segment_data_t copy_data (stat_segment_directory_entry_t * ep, stat_client_main_t * sm) { stat_segment_data_t result = { 0 }; int i; vlib_counter_t **combined_c; /* Combined counter */ counter_t **simple_c; /* Simple counter */ - counter_t *error_base; uint64_t *offset_vector; assert (sm->shared_header); @@ -246,14 +277,41 @@ copy_data (stat_segment_directory_entry_t * ep, stat_client_main_t * sm) break; case STAT_DIR_TYPE_ERROR_INDEX: - error_base = - stat_segment_pointer (sm->shared_header, - sm->shared_header->error_offset); - result.error_value = error_base[ep->index]; + /* Gather errors from all threads into a vector */ + offset_vector = stat_segment_pointer (sm->shared_header, + sm->shared_header->error_offset); + vec_validate (result.error_vector, vec_len (offset_vector) - 1); + for (i = 0; i < vec_len (offset_vector); i++) + { + counter_t *cb = + stat_segment_pointer (sm->shared_header, offset_vector[i]); + result.error_vector[i] = cb[ep->index]; + } + break; + + case STAT_DIR_TYPE_NAME_VECTOR: + if (ep->offset == 0) + return result; + uint8_t **name_vector = + stat_segment_pointer (sm->shared_header, ep->offset); + result.name_vector = vec_dup (name_vector); + offset_vector = + stat_segment_pointer (sm->shared_header, ep->offset_vector); + for (i = 0; i < vec_len (name_vector); i++) + { + if (offset_vector[i]) + { + u8 *name = + stat_segment_pointer (sm->shared_header, offset_vector[i]); + result.name_vector[i] = vec_dup (name); + } + else + result.name_vector[i] = 0; + } break; default: - fprintf (stderr, "Unknown type: %d", ep->type); + fprintf (stderr, "Unknown type: %d\n", ep->type); } return result; } @@ -284,32 +342,6 @@ stat_segment_data_free (stat_segment_data_t * res) vec_free (res); } - -typedef struct -{ - uint64_t epoch; -} stat_segment_access_t; - -static void -stat_segment_access_start (stat_segment_access_t * sa, - stat_client_main_t * sm) -{ - stat_segment_shared_header_t *shared_header = sm->shared_header; - sa->epoch = shared_header->epoch; - while (shared_header->in_progress != 0) - ; -} - -static bool -stat_segment_access_end (stat_segment_access_t * sa, stat_client_main_t * sm) -{ - stat_segment_shared_header_t *shared_header = sm->shared_header; - - if (shared_header->epoch != sa->epoch || shared_header->in_progress) - return false; - return true; -} - uint32_t * stat_segment_ls_r (uint8_t ** patterns, stat_client_main_t * sm) { @@ -456,14 +488,42 @@ stat_segment_dump_entry (uint32_t index) } char * -stat_segment_index_to_name (uint32_t index) +stat_segment_index_to_name_r (uint32_t index, stat_client_main_t * sm) { - char *name; - stat_segment_directory_entry_t *counter_vec = get_stat_vector (); stat_segment_directory_entry_t *ep; - ep = vec_elt_at_index (counter_vec, index); - name = strdup (ep->name); - return name; + stat_segment_access_t sa; + stat_segment_directory_entry_t *vec; + + /* Has directory been update? */ + if (sm->shared_header->epoch != sm->current_epoch) + return 0; + stat_segment_access_start (&sa, sm); + vec = get_stat_vector_r (sm); + ep = vec_elt_at_index (vec, index); + if (!stat_segment_access_end (&sa, sm)) + return 0; + return strdup (ep->name); +} + +char * +stat_segment_index_to_name (uint32_t index) +{ + stat_client_main_t *sm = &stat_client_main; + return stat_segment_index_to_name_r (index, sm); +} + +uint64_t +stat_segment_version_r (stat_client_main_t * sm) +{ + ASSERT (sm->shared_header); + return sm->shared_header->version; +} + +uint64_t +stat_segment_version (void) +{ + stat_client_main_t *sm = &stat_client_main; + return stat_segment_version_r (sm); } /*