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# http-parser
Ruby FFI bindings to [http-parser](https://github.com/joyent/http-parser) [](https://travis-ci.org/cotag/http-parser)
## Install
```shell
gem install http-parser
```
This gem will compile a local copy of http-parser
## Usage
```ruby
require 'rubygems'
require 'http-parser'
#
# Create a shared parser
#
parser = HttpParser::Parser.new do |parser|
parser.on_message_begin do |inst|
puts "message begin"
end
parser.on_message_complete do |inst|
puts "message end"
end
parser.on_url do |inst, data|
puts "url: #{data}"
end
parser.on_header_field do |inst, data|
puts "field: #{data}"
end
parser.on_header_value do |inst, data|
puts "value: #{data}"
end
end
#
# Create state objects to track requests through the parser
#
request = HttpParser::Parser.new_instance do |inst|
inst.type = :request
end
#
# Parse requests
#
parser.parse request, "GET /foo HTTP/1.1\r\n"
sleep 3
parser.parse request, "Host: example.com\r\n"
sleep 3
parser.parse request, "\r\n"
#
# Re-use the memory for another request
#
request.reset!
```
## Acknowledgements
* https://github.com/joyent/http-parser#readme
* https://github.com/postmodern/ffi-http-parser#readme
* https://github.com/deepfryed/http-parser-lite#readme
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