定期发送多个AJAX邮政请求,直到其中任何一个通过
我正在为网站编写一个测试程序,大多数时候该网站给出了504个错误。 我想编写一个可以将AJAX请求发送到服务器并用服务器响应HTML替换页面的程序。 请求的过程类似于:
- 如果任何一个得到200个响应,则一次发送20个请求,然后取消 所有其他请求
- 在10秒后重复步骤1,直到任何请求得到有效响应。
目前,我正在拨打20个Ajax电话,并等待其中任何一个使用Promise.any()完成。 我面临的问题是,我如何管理一个promise.any(),因为我需要跟踪以前的批次,就像第二批次电话之一完成一样,我需要取消所有第一个批次调用并剩下第二批次,并剩下第二个电话。批次电话。 希望你明白我想要的。 这是我到目前为止所做的代码
var reqs = [];
async function post_page(url, i){
var formElement = document.getElementById('form1');
var data = new URLSearchParams(new FormData(formElement));
data.append('continue', 'Continue');
let controller = new AbortController();
var req = fetch(url, {
method: 'post',
body: data,
}
).then(response => {
if (!response.ok) {
return Promise.reject('not ok');
}
return (response, i);
});
reqs.push(controller);
};
var load_page = function(url){
var promises = [];
for(var i = 0 ; i < 10; i++){
promises.push(post_page(url, i));
};
Promise.any(promises).then((value, index) => {
reqs.splice(index,1);
$.each(reqs, function(id, req){req.abort();})
loadPageHtml(value);
})
};
I am writing a test program for website most of time the website gives 504 error.
i want to write a program that can sent ajax requests to server and replace page with server response html.
the process of requests is like :
- send 20 requests at a time if any of them got 200 response then cancell
all other requests - repeat step 1 after 10 seconds until any request got valid response.
currently i am making 20 ajax calls and the wait for any of them to complete using Promise.any().
the problem i am facing is that how can i manage all batches in one Promise.any() because i need to keep track of previous batch as well like if one of second batch calls completed i need to cancell all first batch calls and remaining 2nd batch calls.
Hope you got my point what i want.
here is the code i have done so far
var reqs = [];
async function post_page(url, i){
var formElement = document.getElementById('form1');
var data = new URLSearchParams(new FormData(formElement));
data.append('continue', 'Continue');
let controller = new AbortController();
var req = fetch(url, {
method: 'post',
body: data,
}
).then(response => {
if (!response.ok) {
return Promise.reject('not ok');
}
return (response, i);
});
reqs.push(controller);
};
var load_page = function(url){
var promises = [];
for(var i = 0 ; i < 10; i++){
promises.push(post_page(url, i));
};
Promise.any(promises).then((value, index) => {
reqs.splice(index,1);
$.each(reqs, function(id, req){req.abort();})
loadPageHtml(value);
})
};
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