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Simple fast HTTP echo server

Project description

hecho is a fast and simple HTTP echo server.

An example is running on “http://hecho.bigode.net/”.

It uses Falcon HTTP library and Bjoern WSGI server to serve thousands requests per second using just one CPU Core and approximately 15MB of RAM.

The response is a “prettified” json containing the request.

Simple request/response example:

$ curl --header "Content-Type: application/json" \
    --request POST --data '{"user": "john", "pass": "1234"}' \
    http://localhost:8000?p=param

{
    "headers": {
        "ACCEPT": "*/*",
        "CONTENT-LENGTH": "32",
        "CONTENT-TYPE": "application/json",
        "HOST": "localhost:8000",
        "USER-AGENT": "curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.27.1 zlib/1.2.3 libidn/1.18 libssh2/1.4.2"
    },
    "json": {
        "pass": "1234",
        "user": "john"
    },
    "method": "POST",
    "origin": "127.0.0.1",
    "params": {
        "p": "param"
    },
    "url": "http://localhost:8000/?p=param"
}

It supports get, post, put, patch and delete methods.

The request data must be JSON or x-www-form-urlencoded (standard simple post).

Install

Install using pip:

pip install hecho

Usage

Usage: hecho [options] start|stop|restart

simple and fast http echo server

Options:
--version           show program's version number and exit
-h, --help          show this help message and exit
-l ADDRESS          address to listen (default: localhost)
-p PORT             application port (default: 8000)
--log-path=LOGPATH  logfile path (default: ~/.hecho/hecho.log)
--pid-path=PIDPATH  pidfile path (default: ~/.hecho/hecho.pid)
--foreground        run in foreground mode (default: disabled)
--disable-log       disable logging (default: disabled)

Running

Starting the server:

$ hecho start

Verify log, process and tcp listen address:

$ tail ~/.hecho/hecho.log
[28/Dec/2018 16:23:10] Starting server...

$  ps aux | grep hecho
myuser  23648  0.0  1.5 214444 15720 ?  S  15:54  0:00 python hecho.py start

$ netstat -nlp | grep python
tcp  0  0 127.0.0.1:8000  0.0.0.0:*  LISTEN  23648/python

Simple test:

$ curl localhost:8000

{
    "headers": {
        "ACCEPT": "*/*",
        "HOST": "localhost:8000",
        "USER-AGENT": "curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.27.1 zlib/1.2.3 libidn/1.18 libssh2/1.4.2"
    },
    "method": "GET",
    "origin": "127.0.0.1",
    "params": {},
    "url": "http://localhost:8000/"
}

Verify log:

$ tail ~/.hecho/hecho.log
[28/Dec/2018 16:23:10] Starting server...
[28/Dec/2018 16:24:55] 127.0.0.1 GET http://localhost:8000/ 200 313 curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.27.1 zlib/1.2.3 libidn/1.18 libssh2/1.4.2

Stopping the server:

$ hecho stop

Notes

  • Works on Python 2.7 and Python3.4+

Project details


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