// See the License for the specific language governing permissions and
// limitations under the License.
-// +build !windows,!darwin
+// +build !windows,!darwin,!novpp,!beyond18.10
package vppapiclient
import "C"
import (
- "errors"
"fmt"
"os"
"unsafe"
"git.fd.io/govpp.git/adapter"
)
-var (
- ErrStatDirBusy = errors.New("stat dir busy")
- ErrStatDumpBusy = errors.New("stat dump busy")
-)
-
-var (
- // DefaultStatSocket is the default path for the VPP stat socket file.
- DefaultStatSocket = "/run/vpp/stats.sock"
-)
-
// global VPP stats API client, library vppapiclient only supports
// single connection at a time
var globalStatClient *statClient
-// stubStatClient is the default implementation of StatsAPI.
+// statClient is the default implementation of StatsAPI.
type statClient struct {
socketName string
}
var sockName string
if c.socketName == "" {
- sockName = DefaultStatSocket
+ sockName = adapter.DefaultStatsSocket
} else {
sockName = c.socketName
}
+ if _, err := os.Stat(sockName); err != nil {
+ if os.IsNotExist(err) {
+ return fmt.Errorf("stats socket file %q does not exists, ensure that VPP is running with `statseg { ... }` section in config", sockName)
+ }
+ return fmt.Errorf("stats socket file error: %v", err)
+ }
+
rc := C.govpp_stat_connect(C.CString(sockName))
if rc != 0 {
return fmt.Errorf("connecting to VPP stats API failed (rc=%v)", rc)
return nil
}
-func (c *statClient) ListStats(patterns ...string) (stats []string, err error) {
+func (c *statClient) ListStats(patterns ...string) (indexes []adapter.StatIdentifier, err error) {
dir := C.govpp_stat_segment_ls(convertStringSlice(patterns))
if dir == nil {
- return nil, ErrStatDirBusy
+ return nil, adapter.ErrStatsDataBusy
}
defer C.govpp_stat_segment_vec_free(unsafe.Pointer(dir))
l := C.govpp_stat_segment_vec_len(unsafe.Pointer(dir))
for i := 0; i < int(l); i++ {
nameChar := C.govpp_stat_segment_dir_index_to_name(dir, C.uint32_t(i))
- stats = append(stats, C.GoString(nameChar))
+ indexes = append(indexes, adapter.StatIdentifier{
+ Name: []byte(C.GoString(nameChar)),
+ Index: uint32(i),
+ })
C.free(unsafe.Pointer(nameChar))
}
- return stats, nil
+ return indexes, 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))
if dir == nil {
- return nil, ErrStatDirBusy
+ return nil, adapter.ErrStatsDataBusy
}
defer C.govpp_stat_segment_vec_free(unsafe.Pointer(dir))
dump := C.govpp_stat_segment_dump(dir)
if dump == nil {
- return nil, ErrStatDumpBusy
+ return nil, adapter.ErrStatsDataBusy
}
defer C.govpp_stat_segment_data_free(dump)
name := C.GoString(nameChar)
typ := adapter.StatType(C.govpp_stat_segment_data_type(&v))
- stat := &adapter.StatEntry{
- Name: name,
+ stat := adapter.StatEntry{
+ StatIdentifier: adapter.StatIdentifier{
+ Name: []byte(name),
+ Index: uint32(i),
+ },
Type: typ,
}
stat.Data = adapter.ScalarStat(C.govpp_stat_segment_data_get_scalar_value(&v))
case adapter.ErrorIndex:
- stat.Data = adapter.ErrorStat(C.govpp_stat_segment_data_get_error_value(&v))
+ stat.Data = adapter.ErrorStat([]adapter.Counter{adapter.Counter(C.govpp_stat_segment_data_get_error_value(&v))})
case adapter.SimpleCounterVector:
length := int(C.govpp_stat_segment_vec_len(unsafe.Pointer(C.govpp_stat_segment_data_get_simple_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, 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, 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))),
+ vector[k] = append(vector[k], [2]uint64{
+ uint64(C.govpp_stat_segment_data_get_combined_counter_index_packets(&v, C.int(k), C.int(j))),
+ uint64(C.govpp_stat_segment_data_get_combined_counter_index_bytes(&v, C.int(k), C.int(j))),
})
}
}
return stats, nil
}
+func (c *statClient) PrepareDir(_ ...string) (*adapter.StatDir, error) {
+ return nil, adapter.ErrNotImplemented
+}
+
+func (c *statClient) PrepareDirOnIndex(_ ...uint32) (*adapter.StatDir, error) {
+ return nil, adapter.ErrNotImplemented
+}
+
+func (c *statClient) UpdateDir(_ *adapter.StatDir) error {
+ return adapter.ErrNotImplemented
+}
+
func convertStringSlice(strs []string) **C.uint8_t {
var arr **C.uint8_t
for _, str := range strs {