DefaultStatSocket = "/run/vpp/stats.sock"
)
-// StatClient is the default implementation of StatsAPI.
-type StatClient struct {
+// global VPP stats API client, library vppapiclient only supports
+// single connection at a time
+var globalStatClient *statClient
+
+// stubStatClient is the default implementation of StatsAPI.
+type statClient struct {
socketName string
}
// NewStatClient returns new VPP stats API client.
-func NewStatClient(socketName string) *StatClient {
- return &StatClient{
+func NewStatClient(socketName string) adapter.StatsAPI {
+ return &statClient{
socketName: socketName,
}
}
-func (c *StatClient) Connect() error {
- var sockName string
+func (c *statClient) Connect() error {
+ if globalStatClient != nil {
+ return fmt.Errorf("already connected to stats API, disconnect first")
+ }
+ var sockName string
if c.socketName == "" {
sockName = DefaultStatSocket
} else {
return fmt.Errorf("connecting to VPP stats API failed (rc=%v)", rc)
}
+ globalStatClient = c
return nil
}
-func (c *StatClient) Disconnect() error {
+func (c *statClient) Disconnect() error {
+ globalStatClient = nil
+
C.govpp_stat_disconnect()
return nil
}
-func (c *StatClient) ListStats(patterns ...string) (stats []string, err error) {
+func (c *statClient) ListStats(patterns ...string) (stats []string, err error) {
dir := C.govpp_stat_segment_ls(convertStringSlice(patterns))
defer C.govpp_stat_segment_vec_free(unsafe.Pointer(dir))
return stats, nil
}
-func (c *StatClient) DumpStats(patterns ...string) (stats []*adapter.StatEntry, err error) {
+func (c *statClient) DumpStats(patterns ...string) (stats []*adapter.StatEntry, err error) {
dir := C.govpp_stat_segment_ls(convertStringSlice(patterns))
defer C.govpp_stat_segment_vec_free(unsafe.Pointer(dir))
length := int(C.govpp_stat_segment_vec_len(unsafe.Pointer(C.govpp_stat_segment_data_get_simple_counter(&v))))
vector := make([][]adapter.Counter, length)
for k := 0; k < length; k++ {
- for j := 0; j < int(C.govpp_stat_segment_vec_len(unsafe.Pointer(C.govpp_stat_segment_data_get_simple_counter_index(&v, _Ctype_int(k))))); j++ {
- vector[k] = append(vector[k], adapter.Counter(C.govpp_stat_segment_data_get_simple_counter_index_value(&v, _Ctype_int(k), _Ctype_int(j))))
+ for j := 0; j < int(C.govpp_stat_segment_vec_len(unsafe.Pointer(C.govpp_stat_segment_data_get_simple_counter_index(&v, C.int(k))))); j++ {
+ vector[k] = append(vector[k], adapter.Counter(C.govpp_stat_segment_data_get_simple_counter_index_value(&v, C.int(k), C.int(j))))
}
}
stat.Data = adapter.SimpleCounterStat(vector)
length := int(C.govpp_stat_segment_vec_len(unsafe.Pointer(C.govpp_stat_segment_data_get_combined_counter(&v))))
vector := make([][]adapter.CombinedCounter, length)
for k := 0; k < length; k++ {
- for j := 0; j < int(C.govpp_stat_segment_vec_len(unsafe.Pointer(C.govpp_stat_segment_data_get_combined_counter_index(&v, _Ctype_int(k))))); j++ {
+ for j := 0; j < int(C.govpp_stat_segment_vec_len(unsafe.Pointer(C.govpp_stat_segment_data_get_combined_counter_index(&v, C.int(k))))); j++ {
vector[k] = append(vector[k], adapter.CombinedCounter{
- Packets: adapter.Counter(C.govpp_stat_segment_data_get_combined_counter_index_packets(&v, _Ctype_int(k), _Ctype_int(j))),
- Bytes: adapter.Counter(C.govpp_stat_segment_data_get_combined_counter_index_bytes(&v, _Ctype_int(k), _Ctype_int(j))),
+ Packets: adapter.Counter(C.govpp_stat_segment_data_get_combined_counter_index_packets(&v, C.int(k), C.int(j))),
+ Bytes: adapter.Counter(C.govpp_stat_segment_data_get_combined_counter_index_bytes(&v, C.int(k), C.int(j))),
})
}
}