drone/app/services/usage/io.go

124 lines
2.2 KiB
Go

// Copyright 2023 Harness, Inc.
//
// 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 usage
import (
"context"
"io"
"net/http"
)
type writeCounter struct {
ctx context.Context
w http.ResponseWriter
spaceRef string
intf Sender
isStorage bool
}
func newWriter(
ctx context.Context,
w http.ResponseWriter,
spaceRef string,
intf Sender,
isStorage bool,
) *writeCounter {
return &writeCounter{
ctx: ctx,
w: w,
spaceRef: spaceRef,
intf: intf,
isStorage: isStorage,
}
}
func (c *writeCounter) Write(data []byte) (n int, err error) {
n, err = c.w.Write(data)
m := Metric{
SpaceRef: c.spaceRef,
Size: Size{
Bandwidth: int64(n),
},
}
if c.isStorage {
m.Storage = int64(n)
}
sendErr := c.intf.Send(c.ctx, m)
if sendErr != nil {
return n, sendErr
}
return n, err
}
func (c *writeCounter) Header() http.Header {
return c.w.Header()
}
func (c *writeCounter) WriteHeader(statusCode int) {
c.w.WriteHeader(statusCode)
}
type readCounter struct {
ctx context.Context
r io.ReadCloser
spaceRef string
intf Sender
isStorage bool
}
func newReader(
ctx context.Context,
r io.ReadCloser,
spaceRef string,
intf Sender,
isStorage bool,
) *readCounter {
return &readCounter{
ctx: ctx,
r: r,
spaceRef: spaceRef,
intf: intf,
isStorage: isStorage,
}
}
func (c *readCounter) Read(p []byte) (int, error) {
n, err := c.r.Read(p)
m := Metric{
SpaceRef: c.spaceRef,
Size: Size{
Bandwidth: int64(n),
},
}
if c.isStorage {
m.Storage = int64(n)
}
sendErr := c.intf.Send(c.ctx, m)
if sendErr != nil {
return n, sendErr
}
return n, err
}
func (c *readCounter) Close() error {
return c.r.Close()
}