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60 lines
1.8 KiB
60 lines
1.8 KiB
// Copyright (c) 2019 The Jaeger Authors.
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// Copyright (c) 2017 Uber Technologies, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package route
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import (
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"context"
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"net/url"
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"go.opentelemetry.io/otel/trace"
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"go.uber.org/zap"
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"github.com/jaegertracing/jaeger/examples/hotrod/pkg/log"
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"github.com/jaegertracing/jaeger/examples/hotrod/pkg/tracing"
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)
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// Client is a remote client that implements route.Interface
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type Client struct {
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logger log.Factory
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client *tracing.HTTPClient
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hostPort string
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}
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// NewClient creates a new route.Client
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func NewClient(tracer trace.TracerProvider, logger log.Factory, hostPort string) *Client {
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return &Client{
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logger: logger,
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client: tracing.NewHTTPClient(tracer),
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hostPort: hostPort,
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}
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}
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// FindRoute implements route.Interface#FindRoute as an RPC
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func (c *Client) FindRoute(ctx context.Context, pickup, dropoff string) (*Route, error) {
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c.logger.For(ctx).Info("Finding route", zap.String("pickup", pickup), zap.String("dropoff", dropoff))
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v := url.Values{}
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v.Set("pickup", pickup)
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v.Set("dropoff", dropoff)
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url := "http://" + c.hostPort + "/route?" + v.Encode()
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var route Route
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if err := c.client.GetJSON(ctx, "/route", url, &route); err != nil {
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c.logger.For(ctx).Error("Error getting route", zap.Error(err))
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return nil, err
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}
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return &route, nil
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}
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