Initial drop of nodereport project for nodejs repo

.gitignore

@@ -0,0 +1,38 @@
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+*.node
+
+# Project files
+*.project
+*.cproject
+
+# Build directories
+/build/
+/node_modules/

README.md

@@ -1,10 +1,65 @@
 # nodereport
 
-nodereport is an add-on for Node.js, delivered as an NPM module,
+nodereport is an add-on for Node.js, delivered as an NPM native module,
 which provides a human-readable diagnostic summary report, written
 to file. The report is intended for development, test and production
 use, to capture and preserve information for problem determination.
 It includes Javascript and native stack traces, heap statistics,
 platform information and resource usage etc. With the report enabled,
-reports are triggered on unhandled exceptions, fatal errors, signals
+reports can be triggered on unhandled exceptions, fatal errors, signals
 and calls to a Javascript API.
+
+Usage:
+
+    npm install nodejs/nodereport
+
+    var nodereport = require('nodereport');
+
+By default, this will allow a NodeReport to be triggered via an API
+call from a JavaScript application. The filename of the NodeReport is
+returned. The default filename includes the date, time, PID and a
+sequence number. Alternatively a filename can be specified on the API call.
+
+    nodereport.triggerReport();
+
+    var filename = nodereport.triggerReport();
+
+    nodereport.triggerReport("myReportName");
+
+Content of the NodeReport in the initial implementation consists of a
+header section containing the event type, date, time, PID and Node version,
+sections containing Javascript and native stack traces, a section containing
+V8 heap information, a section containing libuv handle information and an OS
+platform information section showing CPU and memory usage and system limits.
+The following messages are issued to stderr when a NodeReport is triggered:
+
+    Writing Node.js error report to file: NodeReport.201605113.145311.26249.001.txt
+    Node.js error report completed
+
+A NodeReport can also be triggered on unhandled exception and fatal error
+events, and/or signals (Linux/OSX only). These and other options can be 
+enabled or disabled using the following APIs:
+
+    nodereport.setEvents("exception+fatalerror+signal+apicall");
+    nodereport.setSignal("SIGUSR2|SIGQUIT");
+    nodereport.setFileName("stdout|stderr|<filename>");
+    nodereport.setDirectory("<full path>");
+    nodereport.setCoreDump("yes|no");
+    nodereport.setVerbose("yes|no");
+
+Configuration on module initialisation is also available via environment variables:
+
+    export NODEREPORT_EVENTS=exception+fatalerror+signal+apicall
+    export NODEREPORT_SIGNAL=SIGUSR2|SIGQUIT
+    export NODEREPORT_FILENAME=stdout|stderr|<filename>
+    export NODEREPORT_DIRECTORY=<full path>
+    export NODEREPORT_COREDUMP=yes|no
+    export NODEREPORT_VERBOSE=yes|no
+
+Sample programs for triggering NodeReports are provided in the
+node_modules/nodereport/demo directory:
+
+    api.js - NodeReport triggered by Javascript API call
+    exception.js - NodeReport triggered by unhandled exception
+    fatalerror.js - NodeReport triggered by fatal error on Javascript heap out of memory
+    loop.js - looping application, NodeReport triggered using kill -USR2 <pid>

binding.gyp

@@ -0,0 +1,30 @@
+{
+  "targets": [
+    {
+      "target_name": "nodereport",
+      "sources": [ "src/node_report.cc", "src/module.cc" ],
+      "include_dirs": [ '<!(node -e "require(\'nan\')")' ],
+      "conditions": [
+        ["OS=='linux'", {
+          "defines": [ "_GNU_SOURCE" ],
+          "cflags": [ "-g", "-O2", "-std=c++11", ],
+        }],
+        ["OS=='win'", {
+          "libraries": [ "dbghelp.lib" ],
+          "dll_files": [ "dbghelp.dll" ],
+        }],
+      ],
+    },
+    {
+      "target_name": "install",
+      "type":"none",
+      "dependencies" : [ "nodereport" ],
+      "copies": [
+        {
+          "destination": "<(module_root_dir)",
+          "files": ["<(module_root_dir)/build/Release/nodereport.node"]
+        }]
+    },
+  ],
+}
+

demo/api_call.js

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+// Example - generation of NodeReport via API call
+var nodereport = require('nodereport');
+var http = require("http");
+
+var count = 0;
+
+function my_listener(request, response) {
+  switch(count++) {
+  case 0:
+    response.writeHead(200,{"Content-Type": "text/plain"});
+    response.write("\nRunning NodeReport API demo... refresh page to trigger NodeReport");
+    response.end();
+    break;
+  case 1:
+    response.writeHead(200,{"Content-Type": "text/plain"});
+    // Call the nodereport module to trigger a NodeReport
+    var filename = nodereport.triggerReport();
+    response.write("\n" + filename + " written - refresh page to close");
+    response.end();
+    break;
+  default:
+    process.exit(0);
+  }
+}
+
+var http_server = http.createServer(my_listener);
+http_server.listen(8080);
+
+console.log('api_call.js: Node running');
+console.log('api_call.js: Go to http://<machine>:8080/ or http://localhost:8080/');
+
+setTimeout(function(){
+  console.log('api_call.js: test timeout expired, exiting.');
+  process.exit(0);
+}, 60000);

demo/exception.js

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+// Example - generation of NodeReport on uncaught exception
+require('nodereport').setEvents("exception");
+var http = require("http");
+
+var count = 0;
+
+function my_listener(request, response) {
+  switch(count++) {
+  case 0:
+    response.writeHead(200,{"Content-Type": "text/plain"});
+    response.write("\nRunning NodeReport exception demo... refresh page to cause exception (application will terminate)");
+    response.end();
+    break;
+  default:
+    throw new UserException('*** exception.js: exception thrown from my_listener()');
+  }
+}
+
+function UserException(message) {
+  this.message = message;
+  this.name = "UserException";
+}
+
+var http_server = http.createServer(my_listener);
+http_server.listen(8080);
+
+console.log('exception.js: Node running');
+console.log('exception.js: Go to http://<machine>:8080/ or http://localhost:8080/');
+
+setTimeout(function() {
+  console.log('exception.js: test timeout expired, exiting.');
+  process.exit(0);
+}, 60000);

demo/fatalerror.js

@@ -0,0 +1,41 @@
+// Example - generation of Nodereport on fatal error (Javascript heap OOM)
+require('nodereport').setEvents("fatalerror");
+var http = require('http');
+
+var count = 0;
+
+function my_listener(request, response) {
+  switch(count++) {
+  case 0:
+    response.writeHead(200,{"Content-Type": "text/plain"});
+    response.write("\nRunning NodeReport fatal error demo... refresh page to trigger excessive memory usage (application will terminate)");
+    response.end();
+    break;
+  case 1:
+    console.log('heap_oom.js: allocating excessive Javascript heap memory....');
+    var list = [];
+    while (true) {
+      list.push(new MyRecord());
+    }
+    response.end();
+    break;
+  }
+}
+
+function MyRecord() {
+  this.name = 'foo';
+  this.id = 128;
+  this.account = 98454324;
+}
+
+var http_server = http.createServer(my_listener);
+http_server.listen(8080);
+
+console.log('fatalerror.js: Node running');
+console.log('fatalerror.js: Note: heap default is 1.4Gb, use --max-old-space-size=<size in Mb> to change');
+console.log('fatalerror.js: Go to http://<machine>:8080/ or http://localhost:8080/');
+
+setTimeout(function(){
+  console.log('fatalerror.js: timeout expired, exiting.');
+  process.exit(0);
+}, 60000);

demo/loop.js

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+// Example - geneation of Nodereport via signal for a looping application
+require('nodereport').setEvents("signal");
+var http = require("http");
+
+var count = 0;
+
+function my_listener(request, response) {
+  switch(count++) {
+  case 0:
+    response.writeHead(200,{"Content-Type": "text/plain"});
+    response.write("\nRunning NodeReport looping application demo. Node process ID = " + process.pid);
+    response.write("\n\nRefresh page to enter loop, then use 'kill -USR2 " + process.pid + "' to trigger NodeReport");
+    response.end();
+    break;
+  case 1:
+    console.log("loop.js: going to loop now, use 'kill -USR2 " + process.pid + "' to trigger NodeReport");
+    var list = [];
+    for (var i=0; i<10000000000; i++) {
+      for (var j=0; i<1000; i++) {
+        list.push(new MyRecord());
+      }
+      for (var j=0; i<1000; i++) {
+        list[j].id += 1;
+        list[j].account += 2;
+      }
+      for (var j=0; i<1000; i++) {
+        list.pop();
+      }
+    }
+    response.writeHead(200,{"Content-Type": "text/plain"});
+    response.write("\nNodeReport demo.... finished looping");
+    response.end();
+    break;
+  default:
+  }
+}
+
+function MyRecord() {
+  this.name = 'foo';
+  this.id = 128;
+  this.account = 98454324;
+}
+
+var http_server = http.createServer(my_listener);
+http_server.listen(8080);
+
+console.log('loop.js: Node running');
+console.log('loop.js: Go to http://<machine>:8080/ or http://localhost:8080/');
+
+setTimeout(function() {
+  console.log('loop.js: timeout expired, exiting.');
+  process.exit(0);
+}, 60000);

package.json

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+{
+  "name": "nodereport",
+  "main": "build/Release/nodereport.node",
+  "version": "0.1.0",
+  "description": "Diagnostic NodeReport",
+  "homepage": "https://github.com/nodejs/nodereport",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/nodejs/nodereport.git"
+  },
+  "engines": {
+    "node": ">=4.0.0"
+  },
+  "dependencies": {
+    "nan": "^2.3.5"
+  },
+  "license": "MIT",
+  "scripts": {
+    "test": "node test/autorun.js"
+  }
+}