/
channels.go
195 lines (152 loc) · 6.29 KB
/
channels.go
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// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
package tracing
import (
"context"
"github.com/MainfluxLabs/mainflux/things"
opentracing "github.com/opentracing/opentracing-go"
)
const (
saveChannelsOp = "save_channels"
updateChannelOp = "update_channel"
retrieveChannelByIDOp = "retrieve_channel_by_id"
retrieveByThingOp = "retrieve_by_thing"
retrieveChannelConnsOp = "retrieve_channels_conns"
removeChannelOp = "retrieve_channel"
connectOp = "connect"
disconnectOp = "disconnect"
hasThingOp = "has_thing"
hasThingByIDOp = "has_thing_by_id"
retrieveAllChannelsOp = "retrieve_all_channels"
retrieveAllConnectionsOp = "retrieve_all_connections"
)
var (
_ things.ChannelRepository = (*channelRepositoryMiddleware)(nil)
_ things.ChannelCache = (*channelCacheMiddleware)(nil)
)
type channelRepositoryMiddleware struct {
tracer opentracing.Tracer
repo things.ChannelRepository
}
// ChannelRepositoryMiddleware tracks request and their latency, and adds spans
// to context.
func ChannelRepositoryMiddleware(tracer opentracing.Tracer, repo things.ChannelRepository) things.ChannelRepository {
return channelRepositoryMiddleware{
tracer: tracer,
repo: repo,
}
}
func (crm channelRepositoryMiddleware) Save(ctx context.Context, channels ...things.Channel) ([]things.Channel, error) {
span := createSpan(ctx, crm.tracer, saveChannelsOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.Save(ctx, channels...)
}
func (crm channelRepositoryMiddleware) Update(ctx context.Context, ch things.Channel) error {
span := createSpan(ctx, crm.tracer, updateChannelOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.Update(ctx, ch)
}
func (crm channelRepositoryMiddleware) RetrieveByID(ctx context.Context, id string) (things.Channel, error) {
span := createSpan(ctx, crm.tracer, retrieveChannelByIDOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.RetrieveByID(ctx, id)
}
func (crm channelRepositoryMiddleware) RetrieveByOwner(ctx context.Context, owner string, pm things.PageMetadata) (things.ChannelsPage, error) {
span := createSpan(ctx, crm.tracer, retrieveByOwnerOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.RetrieveByOwner(ctx, owner, pm)
}
func (crm channelRepositoryMiddleware) RetrieveByThing(ctx context.Context, owner, thID string) (things.Channel, error) {
span := createSpan(ctx, crm.tracer, retrieveByThingOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.RetrieveByThing(ctx, owner, thID)
}
func (crm channelRepositoryMiddleware) RetrieveConns(ctx context.Context, thID string, pm things.PageMetadata) (things.ChannelsPage, error) {
span := createSpan(ctx, crm.tracer, retrieveChannelConnsOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.RetrieveConns(ctx, thID, pm)
}
func (crm channelRepositoryMiddleware) Remove(ctx context.Context, owner string, ids ...string) error {
span := createSpan(ctx, crm.tracer, removeChannelOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.Remove(ctx, owner, ids...)
}
func (crm channelRepositoryMiddleware) Connect(ctx context.Context, chID string, thIDs []string) error {
span := createSpan(ctx, crm.tracer, connectOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.Connect(ctx, chID, thIDs)
}
func (crm channelRepositoryMiddleware) Disconnect(ctx context.Context, chID string, thIDs []string) error {
span := createSpan(ctx, crm.tracer, disconnectOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.Disconnect(ctx, chID, thIDs)
}
func (crm channelRepositoryMiddleware) RetrieveConnByThingKey(ctx context.Context, key string) (things.Connection, error) {
span := createSpan(ctx, crm.tracer, hasThingOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.RetrieveConnByThingKey(ctx, key)
}
func (crm channelRepositoryMiddleware) RetrieveAll(ctx context.Context) ([]things.Channel, error) {
span := createSpan(ctx, crm.tracer, retrieveAllChannelsOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.RetrieveAll(ctx)
}
func (crm channelRepositoryMiddleware) RetrieveByAdmin(ctx context.Context, pm things.PageMetadata) (things.ChannelsPage, error) {
span := createSpan(ctx, crm.tracer, retrieveAllChannelsOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.RetrieveByAdmin(ctx, pm)
}
func (crm channelRepositoryMiddleware) RetrieveAllConnections(ctx context.Context) ([]things.Connection, error) {
span := createSpan(ctx, crm.tracer, retrieveAllConnectionsOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return crm.repo.RetrieveAllConnections(ctx)
}
type channelCacheMiddleware struct {
tracer opentracing.Tracer
cache things.ChannelCache
}
// ChannelCacheMiddleware tracks request and their latency, and adds spans
// to context.
func ChannelCacheMiddleware(tracer opentracing.Tracer, cache things.ChannelCache) things.ChannelCache {
return channelCacheMiddleware{
tracer: tracer,
cache: cache,
}
}
func (ccm channelCacheMiddleware) Connect(ctx context.Context, chanID, thingID string) error {
span := createSpan(ctx, ccm.tracer, connectOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return ccm.cache.Connect(ctx, chanID, thingID)
}
func (ccm channelCacheMiddleware) HasThing(ctx context.Context, chanID, thingID string) bool {
span := createSpan(ctx, ccm.tracer, hasThingOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return ccm.cache.HasThing(ctx, chanID, thingID)
}
func (ccm channelCacheMiddleware) Disconnect(ctx context.Context, chanID, thingID string) error {
span := createSpan(ctx, ccm.tracer, disconnectOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return ccm.cache.Disconnect(ctx, chanID, thingID)
}
func (ccm channelCacheMiddleware) Remove(ctx context.Context, chanID string) error {
span := createSpan(ctx, ccm.tracer, removeChannelOp)
defer span.Finish()
ctx = opentracing.ContextWithSpan(ctx, span)
return ccm.cache.Remove(ctx, chanID)
}