update README

README.md

@@ -28,13 +28,124 @@ Start server on localhost using the commands below.
 chmod +x simple-dict-server simple-dict-client
 ./simple-dict-server -d 7777 1 ./dict.sp ./cfg.sp    # use -d to start as daemon
 ```
+`cfg.sp`is generated by `cfgwriter`.
+
 Open another shell to connect to it.
 ```bash
 ./simple-dict-client 127.0.0.1 7777
 ```
-Now you have connected to the server. Type `fumiama` and press enter in `10` seconds to get the read/write access. You can modify the password in source code as you like. Please note that the server will only wait `10` seconds for a response after the last communication. The box below shows how to control the server to accompilsh basic add/del/find/edit operations.
+Now you have connected to the server. The default access passwords is in `client.c` and you can modify the password in source code as you like. Please note that the server will only wait `10` seconds for a response after the last communication. The box below shows how to control the server to accompilsh basic add/del/find/edit operations.
 
-The raw data starts with an integer showing its size, then a char `$` follows, finally following all binary data in `./dict.sp`.
+|  cmd  |  data  |  description  |
+|  ----  | ----  | ----  |
+| get:  | key | get key value |
+| cat:  | filename | save raw dict.sp into filename |
+| md5:  | md5 str | compare whether md5 of dict.sp is what given in data |
+| end   | no data  | end conversation |
+| set:  | key | set key |
+| dat:  | value to set | give value to the key |
+| del:  | key | del key |
+
+The raw data starts with an integer showing its size, then a char `$` follows, finally following all binary data in `./dict.sp` encoded by `TEA`.
+
+A cmd sequence example is as below
+```bash
+get:test
+set:test
+dat:测试
+get:test
+del:test
+get:test
+end
+```
+The client output is
+```bash
+break!
+Get sockfd
+Connected to server
+Thread create succeeded
+Enter command:get:test
+Send data succeed.
+recv ack: null
+Enter command:set:test
+Send data succeed.
+recv ack: data
+Enter command:dat:测试
+Send data succeed.
+recv ack: succ
+Enter command:get:test
+Send data succeed.
+recv ack: 测试
+Enter command:del:test
+Send data succeed.
+recv ack: succ
+Enter command:get:test
+Send data succeed.
+recv ack: null
+Enter command:end
+Send data succeed.
+```
+The server output meanwhile is
+```bash
+Bind server success!
+Listening....
+Ready for accept, waitting...
+Next thread is No.0
+Accept client ::ffff:127.0.0.1:51296
+Creating thread succeeded
+Ready for accept, waitting...
+
+Connected to the client.
+Next thread is No.1
+Creating timer thread succeeded
+Wait sec: 2, max: 10
+[normal] Get 34 bytes packet with cmd: 0, data: test
+Close dict
+Send data: null
+Wait sec: 0, max: 10
+Wait sec: 2, max: 10
+Wait sec: 4, max: 10
+[super] Get 34 bytes packet with data: test
+Send data: data
+Wait sec: 1, max: 10
+Wait sec: 3, max: 10
+[super] Get 34 bytes packet with data: 测试
+Data copy to dict succ
+Set data: dict[test]=测试
+Close dict
+Send data: succ
+Wait sec: 0, max: 10
+Wait sec: 2, max: 10
+[normal] Get 34 bytes packet with cmd: 0, data: test
+Close dict
+Send data: 测试
+Wait sec: 0, max: 10
+Wait sec: 2, max: 10
+[super] Get 34 bytes packet with data: test
+Close dict
+Send data: succ
+Wait sec: 0, max: 10
+Wait sec: 2, max: 10
+[normal] Get 34 bytes packet with cmd: 0, data: test
+Close dict
+Send data: null
+Wait sec: 0, max: 10
+[normal] Get 34 bytes packet with cmd: 4, data: fill
+Conversation end
+
+Start killing.
+Close accept.
+Free data.
+Close dict
+Finish killing.
+Wait sec: 0, max: 10
+Call kill thread
+Start killing.
+Close dict
+Finish killing.
+Free timer
+Finish calling kill thread
+```
 
 # Android Client for simple-dict-server
 There is also an [Android Client](https://github.com/fumiama/simple-dict-android) for simple-dict-server. Just install the apk file downloaded from release page and click `config` icon to set your server address using the format