From b7f792b62e42396ffcee786cfea5dea42e38f8b3 Mon Sep 17 00:00:00 2001
From: indexzero <charlie.robbins@gmail.com>
Date: Thu, 23 Dec 2010 18:41:40 -0600
Subject: [PATCH] [minor] Small update to how forever works with pid files

---
 lib/forever.js | 67 ++++++++++++++++++++++++++------------------------
 1 file changed, 35 insertions(+), 32 deletions(-)

diff --git a/lib/forever.js b/lib/forever.js
index f4798e09..1e776c8a 100644
--- a/lib/forever.js
+++ b/lib/forever.js
@@ -183,8 +183,8 @@ forever.cleanUp = function (cleanLogs) {
       processes = getAllProcesses(true);
   
   if (cleanLogs) forever.cleanLogsSync();
-  
-  if (processes) {
+ 
+  if (processes && processes.length > 0) {
     var checked = 0;
     processes.forEach(function (proc) {
       checkProcess(proc.pid, function (child) {
@@ -291,37 +291,40 @@ function formatProcess (proc, index, padding) {
 //   [findDead]: Optional parameter that indicates to return dead procs
 //
 function getAllProcesses (findDead) {
-  var processes = [];
-  try {
-    var files = fs.readdirSync(config.pidPath);
-    if (files.length === 0) return null;
-    
-    var pidFiles = files.filter(function(file) { return /\.pid$/.test(file) });
-    pidFiles.forEach(function (file) {
-      var pidFile = path.join(config.pidPath, file),
-          pid = parseInt(fs.readFileSync(pidFile).toString());
-          
-      try {
-        var child = JSON.parse(fs.readFileSync(path.join(config.pidPath, pid + '.fvr')));
-        processes.push(child);
-      }
-      catch (ex) {
-        if (findDead) {
-          processes.push({ 
-            pidFile: pidFile,
-            dead: true,
-            foreverPid: pid 
-          });
-        }
+  var results = [], processes = {},
+      files = fs.readdirSync(config.pidPath);
+  
+  if (files.length === 0) return null;
+  
+  files.forEach(function (file) {
+    try {
+      var fullPath = path.join(config.pidPath, file),
+          data = fs.readFileSync(fullPath).toString();
+
+      switch (file.match(/\.(\w{3})$/)[1]) {
+        case 'pid':
+          var pid = parseInt(data);
+          if (!processes[pid]) processes[pid] = { foreverPid: pid };
+          break;
+
+        case 'fvr':
+          var child = JSON.parse(data);
+          processes[child.foreverPid] = child;
+          break;
       }
-    });
-        
-    return processes;
-  } 
-  catch (ex) {
-    // Ignore errors
-    return null;
-  }
+    }
+    catch (ex) {
+      // Ignore errors 
+    }
+  });
+  
+  Object.keys(processes).forEach(function (key) {
+    if (!processes[key].pid && !findDead) return;
+    else if (!processes[key].pid) processes[key].dead = true;
+    results.push(processes[key]);
+  });
+  
+  return results;
 };
 
 //