skunky/uselesshttp.d
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Переход на edge-triggered; устранение жора CPU

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lost+skunk 2025-02-08 21:13:13 +03:00
parent ca1662c403
commit 06f9e483c3
2 changed files with 51 additions and 33 deletions
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39
source/uselesshttpd/util.d
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@ -30,27 +30,10 @@ string getStatus(short status) {
return "WTF";
}
// FIXME: memory leak
void append(char[]* src, char symb) @nogc {
import core.memory: pureMalloc, pureFree;
auto arr =
cast (char[])
pureMalloc(src.length + 1)
[0..src.length + 1];
arr[$-1..$] = symb;
arr[0..$-1] = *src;
*src = arr;
arr = null;
pureFree(arr.ptr);
}
void parseAndValidateURL(char[] url, Request* rqst) {
if (url.length > 2048) throw new Exception("Too long URL");
short parseAndValidateURL(char[] url, Request* rqst) {
if (url.length > 2048) return 1; // too long url
rqst.path = null;
bool notArgumentPart;
scope (exit) append(&rqst.args, '&');
for (short i; i < url.length; ++i) {
switch (url[i]) {
case '?':
@ -58,22 +41,24 @@ void parseAndValidateURL(char[] url, Request* rqst) {
notArgumentPart = true;
break;
case '/':
if (url.length > i+1 && url[i+1] != '/') append(&rqst.path, '/');
if (url.length > i+1 && url[i+1] != '/') rqst.path ~= '/';
break;
case '=', '&':
if (notArgumentPart && url[i-1] != url[i]) append(&rqst.args, url[i]);
if (notArgumentPart && url[i-1] != url[i]) rqst.args ~= url[i];
break;
case 'A': .. case 'Z':
case 'a': .. case 'z':
case '0': .. case '9':
case '-', '_', '.', '~', '!', '$', '\'', '(', ')', '*', '+', ',', ';', '@', '[', ']', '|', '%':
if (notArgumentPart) append(&rqst.args, url[i]);
else append(&rqst.path, url[i]);
if (notArgumentPart) rqst.args ~= url[i];
else rqst.path ~= url[i];
break;
default: throw new Exception("Malformed URL");
default: return 1; // malformed url
}
}
rqst.args ~= '&';
return 0;
}
struct Request {
@ -173,5 +158,9 @@ private static enum Statuses: short { // спизженно с https://github.co
@("Service Unavailable") service_unavailable = 503,
@("Gateway Timeout") gateway_timeout = 504,
@("HTTP Version Not Supported") http_version_not_supported = 505,
@("Variant Also Negotiates") variant_also_negotiates = 506
@("Variant Also Negotiates") variant_also_negotiates = 506,
@("Insufficient Storage") insufficient_storage = 507, // (WebDAV)
@("Loop Detected") loop_detected = 508, // (WebDAV)
@("Not Extended") not_extended = 510,
@("Network Authentication Required") network_authentication_required = 511
}