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把通讯模块单独划分出来

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ZhuangYumin
2023-12-15 11:48:47 +00:00
parent 9e7afe6601
commit d9fefc87b3
3 changed files with 87 additions and 85 deletions
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83
frontend/Web/communication.js Normal file
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@ -0,0 +1,83 @@
function generateRandomString(length) {
let result = '';
const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
const charactersLength = characters.length;
for (let i = 0; i < length; i++) {
result += characters.charAt(Math.floor(Math.random() * charactersLength));
}
return result;
}
const socket = io();
let __raw_response="";
let operation_count=localStorage.getItem("operation_count");
let session_token=localStorage.getItem("session_token");
let outhentication_key=localStorage.getItem("outhentication_key");
socket.on('response', (msg) => {
__raw_response=msg;
});
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function RawRequest(raw_request){
socket.emit('request', raw_request);
while(true)
{
if(__raw_response!=""){
let response=__raw_response;
__raw_response="";
return response;
}
await sleep(100);
}
}
async function ShutDownWholeSystem()
{
await RawRequest("#ShutDownSystem "+session_token+" "+operation_count+" "+outhentication_key);
return "You Guess";
}
async function Request(req)
{
operation_count=localStorage.getItem("operation_count");
session_token=localStorage.getItem("session_token");
outhentication_key=localStorage.getItem("outhentication_key");
operation_count++;
localStorage.setItem("operation_count", operation_count);
let raw_request="#Request "+session_token+" "+operation_count+" "+outhentication_key+"\n"+req;
let raw_response=await RawRequest(raw_request);
console.log("get raw_response:"+raw_response);
let line_numbers_of_res=parseInt(raw_response.split('\n')[0].split(' ')[2]);
if(line_numbers_of_res==-1)
{
console.log("Session expired");
let tmp_channel=generateRandomString(10);
let ret=await RawRequest('#OpenSession '+tmp_channel);
operation_count=0;
session_token=ret.split('\n')[1].split(' ')[0];
outhentication_key=ret.split('\n')[1].split(' ')[1];
localStorage.setItem("session_token", session_token);
localStorage.setItem("outhentication_key", outhentication_key);
localStorage.setItem("operation_count", operation_count);
return await Request(req);
}
let response="";
if(line_numbers_of_res>=1) response=raw_response.split('\n')[1];
for(let i=0;i<line_numbers_of_res-1;i++){
response+="\n"+raw_response.split('\n')[i+2];
}
localStorage.setItem("operation_count", operation_count);
return response;
}
(async () => {
if(session_token==null||outhentication_key==null||operation_count==null){
let tmp_channel=generateRandomString(10);
let ret=await RawRequest('#OpenSession '+tmp_channel);
operation_count=0;
session_token=ret.split('\n')[1].split(' ')[0];
outhentication_key=ret.split('\n')[1].split(' ')[1];
localStorage.setItem("session_token", session_token);
localStorage.setItem("outhentication_key", outhentication_key);
localStorage.setItem("operation_count", operation_count);
}
})();

86
frontend/Web/index.html
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@ -8,90 +8,6 @@
</head>
<body>
<script src="/socket.io/socket.io.js"></script>
<script>
function generateRandomString(length) {
let result = '';
const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
const charactersLength = characters.length;
for (let i = 0; i < length; i++) {
result += characters.charAt(Math.floor(Math.random() * charactersLength));
}
return result;
}
const socket = io();
let __raw_response="";
let operation_count=localStorage.getItem("operation_count");
let session_token=localStorage.getItem("session_token");
let outhentication_key=localStorage.getItem("outhentication_key");
socket.on('response', (msg) => {
__raw_response=msg;
});
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function RawRequest(raw_request){
socket.emit('request', raw_request);
while(true)
{
if(__raw_response!=""){
let response=__raw_response;
__raw_response="";
return response;
}
await sleep(100);
}
}
async function ShutDownWholeSystem()
{
await RawRequest("#ShutDownSystem "+session_token+" "+operation_count+" "+outhentication_key);
return "You Guess";
}
async function Request(req)
{
operation_count=localStorage.getItem("operation_count");
session_token=localStorage.getItem("session_token");
outhentication_key=localStorage.getItem("outhentication_key");
operation_count++;
localStorage.setItem("operation_count", operation_count);
let raw_request="#Request "+session_token+" "+operation_count+" "+outhentication_key+"\n"+req;
let raw_response=await RawRequest(raw_request);
console.log("get raw_response:"+raw_response);
let line_numbers_of_res=parseInt(raw_response.split('\n')[0].split(' ')[2]);
if(line_numbers_of_res==-1)
{
console.log("Session expired");
let tmp_channel=generateRandomString(10);
let ret=await RawRequest('#OpenSession '+tmp_channel);
operation_count=0;
session_token=ret.split('\n')[1].split(' ')[0];
outhentication_key=ret.split('\n')[1].split(' ')[1];
localStorage.setItem("session_token", session_token);
localStorage.setItem("outhentication_key", outhentication_key);
localStorage.setItem("operation_count", operation_count);
return await Request(req);
}
let response="";
if(line_numbers_of_res>=1) response=raw_response.split('\n')[1];
for(let i=0;i<line_numbers_of_res-1;i++){
response+="\n"+raw_response.split('\n')[i+2];
}
localStorage.setItem("operation_count", operation_count);
return response;
}
(async () => {
if(session_token==null||outhentication_key==null||operation_count==null){
let tmp_channel=generateRandomString(10);
let ret=await RawRequest('#OpenSession '+tmp_channel);
operation_count=0;
session_token=ret.split('\n')[1].split(' ')[0];
outhentication_key=ret.split('\n')[1].split(' ')[1];
localStorage.setItem("session_token", session_token);
localStorage.setItem("outhentication_key", outhentication_key);
localStorage.setItem("operation_count", operation_count);
}
})();
</script>
<script src="/communication.js"></script>
</body>
</html>

3
frontend/Web/index.js
View File

@ -103,6 +103,9 @@ backend.stdout.on('data', (data) => {
app.get('/', (req, res) => {
res.sendFile(join(__dirname, 'index.html'));
});
app.get('/communication.js', (req, res) => {
res.sendFile(join(__dirname, 'communication.js'));
});
io.on('connection', async (socket) => {
console.log('a user connected');