EasyProxy

 Make tcp proxy easy to use.

Introduction

+----------+                                           +------------+
|  client  |<--------+                                 |            |
+----------+         +-------->+-----+<--------------->|   server   |
                               |     |                 |            |
+----------+                   |     |                 +------------+
|  client  |<----------------->|     |
+----------+                   |     |
                               |     |                 +------------+
+----------+                   |  L  |                 |            |
|  client  |<----------------->|  B  |<--------------->|   server   |
+----------+                   |  S  |                 |            |
                               |     |                 +------------+
+----------+                   |     |
|  client  |<----------------->|     |
+----------+                   |     |                 +------------+
                               |     |                 |            |
+----------+        +--------->+-----+<--------------->|   server   |
|  client  |<-------+                                  |            |
+----------+                                           +------------+

As the chart above, easyproxy act as the LBS server. If you meet the situation that cannot access some service directly or need a server as a gateway, you may use this to proxy.

Usage

go get github.com/xsank/EasyProxy
go run build.go build

• The sample config is about mysql proxy, so you can access the mysql database actually at backend through the localhost 9527, you can easily modify the default.json to change the service. Any protocol based on TCP would work well such as:mysql, ssh, svn...
• For keep simple, easyproxy only support poll,random,iphash strategies, and the default strategy is poll,the easyproxy would add more if there is a demand.
• Besides, you can curl localhost:7259/statistic to get the current connection status. If you want to know more runtime debug info about the proxy, you can curl http://localhost:7259/debug/pprof to get more details.
• You can change the number of MAX processorsand and the heartbeat time based on your requirements.

from https://github.com/xsank/EasyProxy