transform websocket to socket, bring socket to browser js
Project description
ws2s--bring socket to browser js
================================
ws2s(websocket to socket) is a websocket server that handle socket(tcp)s.
the simplest workflow might be like this:
first, a websocket client(we called "ws") ask ws2s_server to create a socket(we called "s") for it.
then, "ws" ask ws2s_server to use "s" to send data.
when "s" received data, ws2s_server will notify "ws" with the received data.
with this workflow, javaScript running on a browser got the ability to use socket.
ws2s.js(upcoming)
=================
[ws2s-js](https://github.com/playlay/ws2s-js) is a javaScript websocket client wrapper that provide socket-like interface to communicate with [ws2s_server](https://github.com/playlay/ws2s).
based on the socketWrapper, other wrappers like redisWrapper will be provided. then an online redis client will be available at [fredis](https://feling.io/redis/).
install
=======
ws2s works on py2、py3、windows、linux、osx.
```shell
pip install ws2s --upgrade
```
after install ws2s:
`ws2sd` command can be used in shell,
`~/.ws2s/` directory will be created when you exec `ws2sd`
config
======
config file is store at `~/.ws2s/config.json`.
client case
============
```
var ws = new WebSocket("ws://localhost:3613")
ws.onmessage = (event) => {
console.log("onmessage: ", event.data)
}
ws.onopen = (event) => {
console.log("onopen")
}
ws.onclose = () => {
console.log("onclose")
}
ws.send(JSON.stringify(
{
command: "connect",
host: "localhost",
port: 80
}
))
ws.send(JSON.stringify(
{
command: "send",
data: "xxxx"
}
))
ws.send(JSON.stringify(
{
command: "close"
}
))
```
protocol
========
request
-------
all kinds of requests are listed below:
```json
{
"command": "connect",
"host":"127.0.0.1",
"port":80
}
{
"command": "send",
"data":"GET / HTTP/1.1\r\nHost: 127.0.0.1\r\nConnection: close\r\n\r\n"
}
{
"command": "close"
}
```
you can find out that:
1. message(we called request) send to ws2s_sever is a json format string.
2. a "command" field is required
response
--------
message(we called response) received from ws2s_sever, is a json format string too:
```json
{
"success": true,
"code": -1,
"message": "recv data",
"data": ""
}
```
```
As in the example above:
- "message" field is for human.
- "success" field can be ignored.
when "code" field = -1, "data" field is presented.
that means ws2s_server received data from peer.
when "code" field = 0.
usually means ws2s_server successfully completed the most recent command
when "code" field > 0.
means something is not normal:
when "code" = 1:
unknown exception, you can submit an issue to ws2s
when "code" = 2:
ConnectionRefusedError raisesd when ws2s_server try to
connect host:port you specified
when "code" = 3:
IllegalSocketState, just reSend an "connect" request like:
{"command":"connect","host":"127.0.0.1","port":80}
when "code" = 4:
usually means you want ws2s_server to connect 127.0.0.1,
but ws2s_server refused to do that
```
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