---
name: "Mojo::Server::FastCGI"
section: "3pm"
platform: "linux"
package: "libmojo-server-fastcgi-perl"
version: "0.50-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Mojo::Server::FastCGI"
---

# Mojo::Server::FastCGI(3pm)

FastCGI Server

## NAME

Mojo::Server::FastCGI - FastCGI Server

## SYNOPSIS

```
  use Mojo::Server::FastCGI;
  my $fcgi = Mojo::Server::FastCGI->new;
  $fcgi->on_request(sub {
    my ($self, $tx) = @_;
    # Request
    my $method = $tx->req->method;
    my $path   = $tx->req->url->path;
    # Response
    $tx->res->code(200);
    $tx->res->headers->content_type('text/plain');
    $tx->res->body("$method request for $path!");
    # Resume transaction
    $tx->resume;
  });
  $fcgi->run;
```

## DESCRIPTION

Mojo::Server::FastCGI is a portable pure-Perl FastCGI implementation as described in the `"FastCGI Specification"`.

See Mojolicious::Guides::Cookbook for deployment recipes.

## ATTRIBUTES

Mojo::Server::FastCGI inherits all attributes from Mojo::Server.

## METHODS

Mojo::Server::FastCGI inherits all methods from Mojo::Server and implements the following new ones.

### "accept\_connection"

```
  my $c = $fcgi->accept_connection;
```

Accept FastCGI connection.

### "read\_record"

```
  my ($type, $id, $body) = $fcgi->read_record($c);
```

Parse FastCGI record.

### "read\_request"

```
  my $tx = $fcgi->read_request($c);
```

Parse FastCGI request.

### "role\_name"

```
  my $name = $fcgi->role_name(3);
```

FastCGI role name.

### "role\_number"

```
  my $number = $fcgi->role_number('FILTER');
```

FastCGI role number.

### "run"

```
  $fcgi->run;
```

Start FastCGI.

### "type\_name"

```
  my $name = $fcgi->type_name(5);
```

FastCGI type name.

### "type\_number"

```
  my $number = $fcgi->type_number('STDIN');
```

FastCGI type number.

### "write\_records"

```
  $fcgi->write_record($c, 'STDOUT', $id, 'HTTP/1.1 200 OK');
```

Write FastCGI record.

### "write\_response"

```
  $fcgi->write_response($tx);
```

Write FastCGI response.

## DEBUGGING

You can set the `"MOJO_FASTCGI_DEBUG"` environment variable to get some advanced diagnostics information sent to the Mojo logger as `"debug"` messages.

```
  MOJO_FASTCGI_DEBUG=1
```

## SEE ALSO

Mojolicious, Mojolicious::Guides, \<http://mojolicio.us\>.