Create log files for both server and headless clients on Linux

lib/logs.js

@@ -20,12 +20,12 @@ var Logs = function (config) {
   }
 }
 
-Logs.generateLogFileName = function () {
+Logs.generateLogFileName = function (suffix) {
   var dateStr = new Date().toISOString()
     .replace(/:/g, '-') // Replace time dividers with dash
     .replace(/T/, '_') // Remove date and time divider
     .replace(/\..+/, '') // Remove milliseconds
-  return 'arma3server_' + dateStr + '.log'
+  return 'arma3server_' + dateStr + '_' + suffix + '.log'
 }
 
 Logs.prototype.delete = function (filename, callback) {
@@ -46,8 +46,8 @@ Logs.prototype.delete = function (filename, callback) {
   })
 }
 
-Logs.prototype.generateLogFilePath = function () {
-  return path.join(this.logsPath(), Logs.generateLogFileName())
+Logs.prototype.generateLogFilePath = function (suffix) {
+  return path.join(this.logsPath(), Logs.generateLogFileName(suffix))
 }
 
 Logs.prototype.logsPath = function () {
@@ -131,4 +131,47 @@ Logs.prototype.readLogFile = function (filename, callback) {
   fs.readFile(filename, callback)
 }
 
+Logs.prototype.logServerProcesses = function (serverProcess, headlessClientProcesses) {
+  var self = this
+  this.logServerProcess(serverProcess, 'server')
+  headlessClientProcesses.forEach(function (headlessClientProcess, idx) {
+    self.logServerProcess(headlessClientProcess, 'hc_' + (idx + 1))
+  })
+}
+
+Logs.prototype.logServerProcess = function (serverProcess, suffix) {
+  if (this.config.type !== 'linux') {
+    return
+  }
+
+  var logStream = fs.createWriteStream(this.generateLogFilePath(suffix), {
+    flags: 'a'
+  })
+
+  serverProcess.stdout.on('data', function (data) {
+    if (logStream) {
+      logStream.write(data)
+    }
+  })
+
+  serverProcess.stderr.on('data', function (data) {
+    if (logStream) {
+      logStream.write(data)
+    }
+  })
+
+  serverProcess.on('close', function (code) {
+    if (logStream) {
+      logStream.end()
+      logStream = undefined
+    }
+  })
+
+  serverProcess.on('error', function (err) {
+    if (logStream) {
+      logStream.write(err)
+    }
+  })
+}
+
 module.exports = Logs

lib/server.js

@@ -1,6 +1,5 @@
 var _ = require('lodash')
 var events = require('events')
-var fs = require('fs')
 var Gamedig = require('gamedig')
 var slugify = require('slugify')
 
@@ -166,30 +165,7 @@ Server.prototype.start = function () {
   var instance = server.start()
   var self = this
 
-  var logStream = null
-  if (this.config.type === 'linux') {
-    logStream = fs.createWriteStream(this.logs.generateLogFilePath(), {
-      flags: 'a'
-    })
-  }
-
-  instance.stdout.on('data', function (data) {
-    if (logStream) {
-      logStream.write(data)
-    }
-  })
-
-  instance.stderr.on('data', function (data) {
-    if (logStream) {
-      logStream.write(data)
-    }
-  })
-
   instance.on('close', function (code) {
-    if (logStream) {
-      logStream.end()
-    }
-
     clearInterval(self.queryStatusInterval)
     self.state = null
     self.pid = null
@@ -200,10 +176,6 @@ Server.prototype.start = function () {
     self.emit('state')
   })
 
-  instance.on('error', function (err) {
-    console.log(err)
-  })
-
   this.pid = instance.pid
   this.instance = instance
   this.queryStatusInterval = setInterval(function () {
@@ -212,6 +184,8 @@ Server.prototype.start = function () {
 
   this.startHeadlessClients()
 
+  this.logs.logServerProcesses(this.instance, this.headlessClientInstances)
+
   this.emit('state')
 
   return this
@@ -233,31 +207,6 @@ Server.prototype.startHeadlessClients = function () {
       port: self.port
     })
     var headlessInstance = headless.start()
-    var name = 'HC_' + i
-    var logPrefix = self.id + ' ' + name
-    console.log(logPrefix + ' starting')
-
-    headlessInstance.stdout.on('data', function (data) {
-      console.log(logPrefix + ' stdout: ' + data)
-    })
-
-    headlessInstance.stderr.on('data', function (data) {
-      console.log(logPrefix + ' stderr: ' + data)
-    })
-
-    headlessInstance.on('close', function (code) {
-      console.log(logPrefix + ' exited: ' + code)
-
-      var elementIndex = headlessClientInstances.indexOf(headlessInstance)
-      if (elementIndex !== -1) {
-        headlessClientInstances.splice(elementIndex, 1)
-      }
-    })
-
-    headlessInstance.on('error', function (err) {
-      console.log(logPrefix + ' error: ' + err)
-    })
-
     return headlessInstance
   })
 

test/lib/logs.js

@@ -19,13 +19,13 @@ describe('Logs', function () {
 
   describe('generateLogFileName()', function () {
     it('should generate valid file name', function () {
-      Logs.generateLogFileName().should.eql('arma3server_2015-10-21_19-28-32.log')
+      Logs.generateLogFileName('test').should.eql('arma3server_2015-10-21_19-28-32_test.log')
     })
   })
 
   describe('generateLogFilePath()', function () {
     it('should generate valid file path', function () {
-      logs.generateLogFilePath().should.eql(path.join('/tmp', 'logs', 'arma3server_2015-10-21_19-28-32.log'))
+      logs.generateLogFilePath('test').should.eql(path.join('/tmp', 'logs', 'arma3server_2015-10-21_19-28-32_test.log'))
     })
   })
 })