From cbb8f589638c2634b44ee2de24c76696f983645a Mon Sep 17 00:00:00 2001 From: Ole Troan Date: Mon, 15 Apr 2019 08:53:46 +0200 Subject: stats: Add name vectors to Python client Change-Id: Ic62dfa0bf3e082a0b999026830c64a9c543da586 Signed-off-by: Ole Troan --- src/vpp-api/client/stat_client.c | 98 ++++++++++++++++++-------------- src/vpp-api/client/stat_client.h | 1 + src/vpp-api/python/vpp_papi/vpp_stats.py | 24 +++++++- src/vpp/stats/stat_segment.c | 5 +- 4 files changed, 81 insertions(+), 47 deletions(-) diff --git a/src/vpp-api/client/stat_client.c b/src/vpp-api/client/stat_client.c index 3959c92167f..a386eec30c3 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) { @@ -176,6 +169,31 @@ 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) + ; +} + +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) { @@ -186,9 +204,17 @@ 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 @@ -308,32 +334,6 @@ 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) { @@ -480,14 +480,28 @@ 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); } /* diff --git a/src/vpp-api/client/stat_client.h b/src/vpp-api/client/stat_client.h index 23087abe749..fb2adfe8f1f 100644 --- a/src/vpp-api/client/stat_client.h +++ b/src/vpp-api/client/stat_client.h @@ -73,6 +73,7 @@ void stat_segment_data_free (stat_segment_data_t * res); double stat_segment_heartbeat_r (stat_client_main_t * sm); double stat_segment_heartbeat (void); +char *stat_segment_index_to_name_r (uint32_t index, stat_client_main_t * sm); char *stat_segment_index_to_name (uint32_t index); #endif /* included_stat_client_h */ diff --git a/src/vpp-api/python/vpp_papi/vpp_stats.py b/src/vpp-api/python/vpp_papi/vpp_stats.py index 59c87dd6a81..c90aa349434 100644 --- a/src/vpp-api/python/vpp_papi/vpp_stats.py +++ b/src/vpp-api/python/vpp_papi/vpp_stats.py @@ -18,6 +18,7 @@ typedef enum { STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE, STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED, STAT_DIR_TYPE_ERROR_INDEX, + STAT_DIR_TYPE_NAME_VECTOR, } stat_directory_type_t; typedef struct @@ -42,6 +43,7 @@ typedef struct uint64_t error_value; counter_t **simple_counter_vec; vlib_counter_t **combined_counter_vec; + uint8_t **name_vector; }; } stat_segment_data_t; @@ -76,9 +78,10 @@ stat_segment_data_t *stat_segment_dump (uint32_t * counter_vec); void stat_segment_data_free (stat_segment_data_t * res); double stat_segment_heartbeat_r (stat_client_main_t * sm); -double stat_segment_heartbeat (void); int stat_segment_vec_len(void *vec); uint8_t **stat_segment_string_vector(uint8_t **string_vector, char *string); +char *stat_segment_index_to_name_r (uint32_t index, stat_client_main_t * sm); +void free(void *ptr); """) @@ -123,6 +126,8 @@ def combined_counter_vec_list(api, e): vec.append(if_per_thread) return vec +def name_vec_list(api, e): + return [ffi.string(e[i]).decode('utf-8') for i in range(api.stat_segment_vec_len(e)) if e[i] != ffi.NULL] def stat_entry_to_python(api, e): # Scalar index @@ -134,7 +139,9 @@ def stat_entry_to_python(api, e): return combined_counter_vec_list(api, e.combined_counter_vec) if e.type == 4: return e.error_value - return None + if e.type == 5: + return name_vec_list(api, e.name_vector) + raise NotImplementedError() class VPPStatsIOError(IOError): @@ -171,7 +178,7 @@ class VPPStatsClientLoadError(RuntimeError): class VPPStats(object): VPPStatsIOError = VPPStatsIOError - default_socketname = '/var/run/stats.sock' + default_socketname = '/var/run/vpp/stats.sock' sharedlib_name = 'libvppapiclient.so' def __init__(self, socketname=default_socketname, timeout=10): @@ -200,6 +207,16 @@ class VPPStats(object): patterns), self.client) + def lsstr(self, patterns): + rv = self.api.stat_segment_ls_r(make_string_vector(self.api, + patterns), + self.client) + + if rv == ffi.NULL: + raise VPPStatsIOError() + return [ffi.string(self.api.stat_segment_index_to_name_r(rv[i], self.client)).decode('utf-8') + for i in range(self.api.stat_segment_vec_len(rv))] + def dump(self, counters): stats = {} rv = self.api.stat_segment_dump_r(counters, self.client) @@ -207,6 +224,7 @@ class VPPStats(object): if rv == ffi.NULL: raise VPPStatsIOError() rv_len = self.api.stat_segment_vec_len(rv) + for i in range(rv_len): n = ffi.string(rv[i].name).decode('utf-8') e = stat_entry_to_python(self.api, rv[i]) diff --git a/src/vpp/stats/stat_segment.c b/src/vpp/stats/stat_segment.c index 05b8cdcb34d..2cf82b97f18 100644 --- a/src/vpp/stats/stat_segment.c +++ b/src/vpp/stats/stat_segment.c @@ -427,7 +427,7 @@ update_node_counters (stat_segment_main_t * sm) stat_validate_counter_vector (&sm->directory_vector [STAT_COUNTER_NODE_SUSPENDS], l); - vec_validate (sm->nodes, l); + vec_validate (sm->nodes, l - 1); stat_segment_directory_entry_t *ep; ep = &sm->directory_vector[STAT_COUNTER_NODE_NAMES]; ep->offset = stat_segment_offset (shared_header, sm->nodes); @@ -437,8 +437,9 @@ update_node_counters (stat_segment_main_t * sm) ep->offset_vector ? stat_segment_pointer (shared_header, ep->offset_vector) : 0; /* Update names dictionary */ - vec_validate (offset_vector, l); + vec_validate (offset_vector, l - 1); vlib_node_t **nodes = node_dups[0]; + for (i = 0; i < vec_len (nodes); i++) { vlib_node_t *n = nodes[i]; -- cgit 1.2.3-korg