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License: Apache License 2.0
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TCP Support
Adding TCP sockets support would allow to use more FastCGI modules.
Add request handler method
I would like to suggest adding a requestHandler object to export which would allow you to mount the application on any compatible request handler. My implementation used a sort of promise object and basically copied the httpd method. It seems like it shouldn't have to be a promise object, but this is how it ended up. It could also be sent in the callback and then you would just call it in your code.
function getHandler(port, host, socket_path, callback){
var promise = { requestHandler: function(req, res){ throw new Exception("Promised object not ready yet. Check the ready property"); }, ready: false };
connect_fcgi(socket_path, 0, function(er, socket) {
if(er)
return callback(er)
fcgi_get_values(socket, function(er, values) {
if(er)
return callback(er)
values.FCGI_MPXS_CONNS = values.FCGI_MPXS_CONNS || 0
LOG.info('FCGI values: %j', values)
promise.requestHandler = fcgi_handler(port, host, values, socket, socket_path);
promise.ready = true;
return callback(null)
})
})
}
unhandled error event (most likely node v0.10.x related)
When using this in combination with graphite, the following error is received sporadically when trying to load the graphite web interface.
Get FastCGI values
Listening for FastCGI values
FCGI values: {"FCGI_MAX_CONNS":1024,"FCGI_MAX_REQS":1024,"FCGI_MPXS_CONNS":0}
Listening on 0.0.0.0:24093
GET / 200
GET /browser/header/ 200
GET /composer/? 200
STDERR: No handlers could be found for logger "rendering"
STDERR:
GET /render 200
GET /render/?width=586&height=308&_salt=1372100547.596 200
GET /favicon.ico 200
GET / 200
GET /browser/header/ 200
events.js:72
throw er; // Unhandled 'error' event
^
Error: write after end
at writeAfterEnd (_stream_writable.js:125:12)
at Socket.Writable.write (_stream_writable.js:170:5)
at Socket.write (net.js:596:40)
at process_request (/home/ubuntu/hosting/manager/node_modules/fastcgi/fastcgi.js:207:12)
at Server.on_request (/home/ubuntu/hosting/manager/node_modules/fastcgi/fastcgi.js:145:5)
at Server.EventEmitter.emit (events.js:98:17)
at HTTPParser.parser.onIncoming (http.js:2012:12)
at HTTPParser.parserOnHeadersComplete [as onHeadersComplete] (http.js:119:23)
at Socket.socket.ondata (http.js:1902:22)
at TCP.onread (net.js:510:27)@jhs Through my investigation I believe it comes into play due to there not being an error handler here and the fact that streams2 must have changed the actual stream. Still digging in, just wanted to get this documented.
Unable to run nodejs fastcgi
Hi,
I tried to use nodejs with fastcgi but failed to execute it. Any comments? Thanks
root@ubuntu12:/tmp# ./node_modules/fastcgi/cli.js --port=1234 --socket=/tmp/php-fpm.socket
Sending http requests to /tmp/php-fpm.socket
Get FastCGI values
Listening for FastCGI values
events.js:68
throw arguments[1]; // Unhandled 'error' event
^
Error: write EPIPE
at errnoException (net.js:769:11)
at Object.afterWrite (net.js:593:19)
root@ubuntu12:/tmp# node -v
v0.8.11
root@ubuntu12:/tmp# npm ls
/tmp
├─┬ [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ └─┬ [email protected]
│ └── [email protected]
└─┬ [email protected]
├─┬ [email protected]
│ ├── [email protected]
│ └─┬ [email protected]
│ └── [email protected]
└── [email protected]
crash if Status header not present
When I run the server with Example 1 (TinyFastCGI) from the FastCGI documentation (changing the incorrect "SERVER_HOSTNAME" to "SERVER_NAME" in the code), I get the following crash:
$ node node_modules/fastcgi/cli.js --port=8888 --socket=/tmp/tinyfcgi
Sending http requests to /tmp/tinyfcgi
Get FastCGI values
Listening for FastCGI values
FCGI values: {"FCGI_MAX_CONNS":1,"FCGI_MAX_REQS":1,"FCGI_MPXS_CONNS":0}
Listening on 0.0.0.0:8888
Ignoring management record: {"header":{"version":1,"type":10,"recordId":0,"contentLength":0,"paddingLength":0},"body":{},"bodies":[]}
http.js:1140
var statusLine = 'HTTP/1.1 ' + statusCode.toString() + ' ' +
^
TypeError: Cannot call method 'toString' of undefined
at ServerResponse.writeHead (http.js:1140:45)
at send_stdout (/home/roy/Projects/node_modules/fastcgi/fastcgi.js:411:19)
at Parser.on_record [as onRecord] (/home/roy/Projects/node_modules/fastcgi/fastcgi.js:359:14)
at Parser._parser.execute (/home/roy/Projects/node_modules/fastcgi/node_modules/fastcgi-parser/lib/fastcgi.js:242:57)
at FastCGIStream.on_data (/home/roy/Projects/node_modules/fastcgi/fastcgi.js:320:12)
at FastCGIStream.EventEmitter.emit (events.js:95:17)
at FastCGIStream.emit_records (/home/roy/Projects/node_modules/fastcgi/stream.js:181:10)
at FastCGIStream.build_record (/home/roy/Projects/node_modules/fastcgi/stream.js:111:17)
at FastCGIStream.build_record (/home/roy/Projects/node_modules/fastcgi/stream.js:151:8)
at FastCGIStream.build_record (/home/roy/Projects/node_modules/fastcgi/stream.js:151:8)
This happens because the example does not include a Status: 200 header. According to the CGI specification, section 9.2 states:
If the script does not return a Status header, then "200 OK" should be assumed.
The easy workaround is to have the fcgi program return a Status header but it would be best if the fastcgi module (1) properly defaulted the status and (2) did not crash no matter what came over the socket.
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