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transport.go
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transport.go
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// Copyright (c) 2021 The Houyi Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package transport
import (
"context"
"github.com/houyi-tracing/houyi/idl/api_v1"
"github.com/houyi-tracing/houyi/pkg/routing"
jaeger "github.com/jaegertracing/jaeger/proto-gen/api_v2"
"go.uber.org/zap"
"google.golang.org/grpc"
)
// CollectorTransport reuses gRPC connection from agent to collector.
type CollectorTransport struct {
logger *zap.Logger
ep *routing.Endpoint
}
func NewCollectorTransport(logger *zap.Logger, ep *routing.Endpoint) *CollectorTransport {
ct := &CollectorTransport{
logger: logger,
ep: ep,
}
return ct
}
func (t *CollectorTransport) PostSpans(ctx context.Context, req *jaeger.PostSpansRequest) (*jaeger.PostSpansResponse, error) {
conn, err := grpc.Dial(t.ep.String(), grpc.WithInsecure())
if err != nil {
return &jaeger.PostSpansResponse{}, err
} else {
defer conn.Close()
}
c := jaeger.NewCollectorServiceClient(conn)
return c.PostSpans(ctx, req)
}
// CollectorTransport reuses gRPC connection from agent to strategy manager.
type StrategyManagerTransport struct {
logger *zap.Logger
ep *routing.Endpoint
}
func NewStrategyManagerTransport(logger *zap.Logger, ep *routing.Endpoint) *StrategyManagerTransport {
ct := &StrategyManagerTransport{
logger: logger,
ep: ep,
}
return ct
}
func (t *StrategyManagerTransport) GetStrategies(ctx context.Context, req *api_v1.StrategyRequest) (*api_v1.StrategiesResponse, error) {
conn, err := grpc.Dial(t.ep.String(), grpc.WithInsecure())
if err != nil {
t.logger.Fatal("Connection is closed and client failed to dial to remote strategy manager", zap.Error(err))
return &api_v1.StrategiesResponse{}, err
} else {
defer conn.Close()
}
c := api_v1.NewStrategyManagerClient(conn)
return c.GetStrategies(ctx, req)
}