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ftp works but it blocks the thread

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ading2210 2024-03-17 17:50:58 -04:00
parent 0a5ace96fb
commit 2a072ecee0
12 changed files with 165 additions and 184 deletions
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66
client/javascript/http.js
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@ -1,72 +1,42 @@
class HTTPSession extends CurlSession {
constructor() {
constructor(options) {
super();
this.options = options;
this.set_connections(50, 40);
}
request_async(url, params, body) {
return new Promise((resolve, reject) => {
let stream_controller;
let http_handle;
let response_obj;
let aborted = false;
//handle abort signals
if (params.signal instanceof AbortSignal) {
params.signal.addEventListener("abort", () => {
if (aborted) return;
aborted = true;
_cleanup_handle(http_handle);
if (!response_obj) {
reject(new DOMException("The operation was aborted."));
}
else {
stream_controller.error("The operation was aborted.");
}
});
}
let stream = new ReadableStream({
start(controller) {
stream_controller = controller;
}
});
let data_callback = (new_data) => {
try {
stream_controller.enqueue(new_data);
}
catch (e) {
//the readable stream has been closed elsewhere, so cancel the request
if (e instanceof TypeError) {
_cleanup_handle(http_handle);
}
else {
throw e;
}
}
}
let headers_callback = () => {
let headers_callback = (stream) => {
let response_json = c_func_str(_http_get_info, [http_handle]);
response_obj = this.constructor.create_response(stream, JSON.parse(response_json));
resolve(response_obj);
let response = this.constructor.create_response(stream, JSON.parse(response_json));
if (params.redirect === "error" && response.status >= 300 && response.status < 400) {
finish_callback(-2);
return;
}
resolve(response);
}
let finish_callback = (error) => {
if (error != 0) {
if (error > 0) {
error_msg(`Request "${url}" failed with error code ${error}: ${get_error_str(error)}`);
reject(`Request failed with error code ${error}: ${get_error_str(error)}`);
}
try {
stream_controller.close();
} //this will only fail if the stream is already errored or closed, which isn't a problem
catch {}
else if (error === -1) {
reject(new DOMException("The operation was aborted."));
}
else if (error === -2) {
reject("Request failed because redirects were disallowed.");
}
this.remove_request(http_handle);
}
let body_length = body ? body.length : 0;
let params_json = JSON.stringify(params);
http_handle = this.create_request(url, data_callback, finish_callback, headers_callback);
http_handle = this.stream_response(url, headers_callback, finish_callback, params.signal);
c_func(_http_set_options, [http_handle, params_json, body, body_length]);
this.start_request(http_handle);
});