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silence emscripten socket syscall warnings

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ading2210 2024-01-03 17:50:34 -05:00
parent f0ac312f35
commit dc61ffb7ba
1 changed files with 39 additions and 11 deletions
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50
client/main.js
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@ -5,6 +5,29 @@ function allocate_str(str) {
return allocate(intArrayFromString(str), ALLOC_NORMAL);
}
//make emscripten shut up about unsupported syscalls
function silence_errs() {
let is_str = obj => typeof obj === 'string' || obj instanceof String;
window._err = window.err;
window.err = function() {
let arg = arguments[0];
if (is_str(arg) && arg.startsWith("__syscall_getsockname")) {
return;
}
window._err(...arguments);
}
window._console_error = window.console.error;
window.console.error = function() {
let arg = arguments[0];
if (is_str(arg) && arg === "warning: unsupported syscall: __syscall_setsockopt\n") {
return;
}
window._console_error(...arguments);
}
}
//low level interface with c code
function perform_request(url, js_data_callback, js_end_callback) {
let end_callback_ptr;
@ -41,19 +64,24 @@ function merge_arrays(arrays) {
return new_array;
}
async function main() {
let chunks = [];
perform_request("https://ading.dev", (new_data) => {
chunks.push(new_data);
}, () => {
for (let chunk of chunks) {
console.log(chunk);
function libcurl_fetch(url) {
return new Promise((resolve, reject) => {
let chunks = [];
let data_callback = (new_data) => {
chunks.push(new_data);
};
let finish_callback = () => {
let response_data = merge_arrays(chunks);
let response_str = new TextDecoder().decode(response_data);
resolve(response_str);
}
perform_request(url, data_callback, finish_callback);
})
}
let response_data = merge_arrays(chunks);
let response_str = new TextDecoder().decode(response_data);
console.log(response_str);
});
async function main() {
silence_errs();
console.log(await libcurl_fetch("https://ifconfig.me/all"));
}
window.onload = () => {