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baf6db5b57
I am not a lawyer, but according to the appendix of the license, these boilerplate notices should be included with every source file.
227 lines
5.0 KiB
Go
227 lines
5.0 KiB
Go
// Copyright 2015 Light Code Labs, LLC
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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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//+build linux darwin
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package httpserver
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"sync"
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"testing"
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syslog "gopkg.in/mcuadros/go-syslog.v2"
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"gopkg.in/mcuadros/go-syslog.v2/format"
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)
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func TestLoggingToStdout(t *testing.T) {
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testCases := []struct {
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Output string
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ExpectedOutput string
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}{
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{
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Output: "stdout",
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ExpectedOutput: "Hello world logged to stdout",
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},
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}
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for i, testCase := range testCases {
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output := captureStdout(func() {
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logger := Logger{Output: testCase.Output, fileMu: new(sync.RWMutex)}
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if err := logger.Start(); err != nil {
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t.Fatalf("Got unexpected error: %v", err)
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}
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logger.Println(testCase.ExpectedOutput)
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})
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if !strings.Contains(output, testCase.ExpectedOutput) {
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t.Fatalf("Test #%d: Expected output to contain: %s, got: %s", i, testCase.ExpectedOutput, output)
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}
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}
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}
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func TestLoggingToStderr(t *testing.T) {
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testCases := []struct {
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Output string
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ExpectedOutput string
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}{
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{
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Output: "stderr",
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ExpectedOutput: "Hello world logged to stderr",
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},
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{
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Output: "",
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ExpectedOutput: "Hello world logged to stderr #2",
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},
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}
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for i, testCase := range testCases {
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output := captureStderr(func() {
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logger := Logger{Output: testCase.Output, fileMu: new(sync.RWMutex)}
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if err := logger.Start(); err != nil {
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t.Fatalf("Got unexpected error: %v", err)
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}
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logger.Println(testCase.ExpectedOutput)
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})
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if !strings.Contains(output, testCase.ExpectedOutput) {
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t.Fatalf("Test #%d: Expected output to contain: %s, got: %s", i, testCase.ExpectedOutput, output)
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}
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}
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}
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func TestLoggingToFile(t *testing.T) {
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file := filepath.Join(os.TempDir(), "access.log")
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expectedOutput := "Hello world written to file"
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logger := Logger{Output: file}
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if err := logger.Start(); err != nil {
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t.Fatalf("Got unexpected error during logger start: %v", err)
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}
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logger.Print(expectedOutput)
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content, err := ioutil.ReadFile(file)
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if err != nil {
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t.Fatalf("Could not read log file content: %v", err)
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}
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if !bytes.Contains(content, []byte(expectedOutput)) {
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t.Fatalf("Expected log file to contain: %s, got: %s", expectedOutput, string(content))
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}
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os.Remove(file)
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}
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func TestLoggingToSyslog(t *testing.T) {
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testCases := []struct {
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Output string
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ExpectedOutput string
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}{
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{
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Output: "syslog://127.0.0.1:5660",
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ExpectedOutput: "Hello world! Test #1 over tcp",
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},
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{
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Output: "syslog+tcp://127.0.0.1:5661",
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ExpectedOutput: "Hello world! Test #2 over tcp",
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},
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{
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Output: "syslog+udp://127.0.0.1:5662",
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ExpectedOutput: "Hello world! Test #3 over udp",
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},
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}
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for i, testCase := range testCases {
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ch := make(chan format.LogParts, 256)
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server, err := bootServer(testCase.Output, ch)
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defer server.Kill()
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if err != nil {
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t.Errorf("Test #%d: expected no error during syslog server boot, got: %v", i, err)
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}
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logger := Logger{Output: testCase.Output, fileMu: new(sync.RWMutex)}
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if err := logger.Start(); err != nil {
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t.Errorf("Test #%d: expected no error during logger start, got: %v", i, err)
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}
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defer logger.Close()
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logger.Print(testCase.ExpectedOutput)
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actual := <-ch
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if content, ok := actual["content"].(string); ok {
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if !strings.Contains(content, testCase.ExpectedOutput) {
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t.Errorf("Test #%d: expected server to capture content: %s, but got: %s", i, testCase.ExpectedOutput, content)
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}
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} else {
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t.Errorf("Test #%d: expected server to capture content but got: %v", i, actual)
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}
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}
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}
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func bootServer(location string, ch chan format.LogParts) (*syslog.Server, error) {
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address := parseSyslogAddress(location)
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if address == nil {
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return nil, fmt.Errorf("Could not parse syslog address: %s", location)
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}
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server := syslog.NewServer()
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server.SetFormat(syslog.Automatic)
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switch address.network {
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case "tcp":
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server.ListenTCP(address.address)
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case "udp":
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server.ListenUDP(address.address)
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}
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server.SetHandler(syslog.NewChannelHandler(ch))
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if err := server.Boot(); err != nil {
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return nil, err
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}
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return server, nil
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}
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func captureStdout(f func()) string {
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original := os.Stdout
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r, w, _ := os.Pipe()
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os.Stdout = w
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f()
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w.Close()
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written, _ := ioutil.ReadAll(r)
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os.Stdout = original
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return string(written)
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}
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func captureStderr(f func()) string {
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original := os.Stderr
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r, w, _ := os.Pipe()
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os.Stderr = w
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f()
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w.Close()
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written, _ := ioutil.ReadAll(r)
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os.Stderr = original
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return string(written)
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}
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