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Make minor performance improvement to HTTP parser

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redbean's message parser now takes 300 nanoseconds to parse a standard
request sent by chrome, whereas it previous took 600 nanoseconds.
This commit is contained in:
Justine Tunney 2021-03-28 18:00:29 -07:00
parent 3c19b6e352
commit 52565e7af3
6 changed files with 140 additions and 43 deletions
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62
test/net/http/parsehttprequest_test.c
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@ -18,10 +18,12 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/bits.h"
#include "libc/errno.h"
#include "libc/log/check.h"
#include "libc/mem/mem.h"
#include "libc/runtime/gc.internal.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
#include "net/http/http.h"
@ -199,3 +201,63 @@ User-Agent: \t hi there \t \r\n\
EXPECT_EQ(strlen(m), ParseHttpRequest(req, m, strlen(m)));
EXPECT_STREQ("hi there", gc(slice(m, req->headers[kHttpUserAgent])));
}
void DoTiniestHttpRequest(void) {
static const char m[] = "\
GET /\r\n\
\r\n";
InitHttpRequest(req);
ParseHttpRequest(req, m, sizeof(m));
DestroyHttpRequest(req);
}
void DoTinyHttpRequest(void) {
static const char m[] = "\
GET /\r\n\
Accept-Encoding: gzip\r\n\
\r\n";
InitHttpRequest(req);
ParseHttpRequest(req, m, sizeof(m));
DestroyHttpRequest(req);
}
void DoStandardChromeRequest(void) {
static const char m[] = "\
GET /tool/net/redbean.png HTTP/1.1\r\n\
Host: 10.10.10.124:8080\r\n\
Connection: keep-alive\r\n\
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36\r\n\
DNT: \t1 \r\n\
Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8\r\n\
Referer: http://10.10.10.124:8080/\r\n\
Accept-Encoding: gzip, deflate\r\n\
Accept-Language: en-US,en;q=0.9\r\n\
\r\n";
InitHttpRequest(req);
CHECK_EQ(sizeof(m) - 1, ParseHttpRequest(req, m, sizeof(m)));
DestroyHttpRequest(req);
}
void DoUnstandardChromeRequest(void) {
static const char m[] = "\
GET /tool/net/redbean.png HTTP/1.1\r\n\
X-Host: 10.10.10.124:8080\r\n\
X-Connection: keep-alive\r\n\
X-User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36\r\n\
X-DNT: \t1 \r\n\
X-Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8\r\n\
X-Referer: http://10.10.10.124:8080/\r\n\
X-Accept-Encoding: gzip, deflate\r\n\
X-Accept-Language: en-US,en;q=0.9\r\n\
\r\n";
InitHttpRequest(req);
CHECK_EQ(sizeof(m) - 1, ParseHttpRequest(req, m, sizeof(m)));
DestroyHttpRequest(req);
}
BENCH(ParseHttpRequest, bench) {
EZBENCH2("DoTiniestHttpRequest", donothing, DoTiniestHttpRequest());
EZBENCH2("DoTinyHttpRequest", donothing, DoTinyHttpRequest());
EZBENCH2("DoStandardChromeRequest", donothing, DoStandardChromeRequest());
EZBENCH2("DoUnstandardChromeRequest", donothing, DoUnstandardChromeRequest());
}