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Overview
| Comment: | Performance improvement on CGI handling in althttpd.c |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
1ec2d586fcbca862528f690b383b7a18 |
| User & Date: | drh 2020-03-16 15:07:28.236 |
Context
|
2020-03-20
| ||
| 12:44 | Provide more accurate elapse time measurements in the output log of althttpd.c (check-in: f474634ac8 user: drh tags: trunk) | |
|
2020-03-16
| ||
| 15:07 | Performance improvement on CGI handling in althttpd.c (check-in: 1ec2d586fc user: drh tags: trunk) | |
|
2020-03-15
| ||
| 18:17 | Enhance althttpd to support Range: attributes in the HTTP request header. (check-in: 1d3579379c user: drh tags: trunk) | |
Changes
Changes to misc/althttpd.c.
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** Count the number of "/" characters in a string.
*/
static int countSlashes(const char *z){
int n = 0;
while( *z ) if( *(z++)=='/' ) n++;
return n;
}
/*
** Send the text of the file named by zFile as the reply. Use the
** suffix on the end of the zFile name to determine the mimetype.
**
** Return 1 to omit making a log entry for the reply.
*/
| > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 |
** Count the number of "/" characters in a string.
*/
static int countSlashes(const char *z){
int n = 0;
while( *z ) if( *(z++)=='/' ) n++;
return n;
}
/*
** Transfer nXfer bytes from in to out, after first discarding
** nSkip bytes from in. Increment the nOut global variable
** according to the number of bytes transferred.
*/
static void xferBytes(FILE *in, FILE *out, int nXfer, int nSkip){
size_t n;
size_t got;
char zBuf[16384];
while( nSkip>0 ){
n = nSkip;
if( n>sizeof(zBuf) ) n = sizeof(zBuf);
got = fread(zBuf, 1, n, in);
if( got==0 ) break;
nSkip -= got;
}
while( nXfer>0 ){
n = nXfer;
if( n>sizeof(zBuf) ) n = sizeof(zBuf);
got = fread(zBuf, 1, n, in);
if( got==0 ) break;
fwrite(zBuf, got, 1, out);
nOut += got;
nXfer -= got;
}
}
/*
** Send the text of the file named by zFile as the reply. Use the
** suffix on the end of the zFile name to determine the mimetype.
**
** Return 1 to omit making a log entry for the reply.
*/
|
| ︙ | ︙ | |||
1315 1316 1317 1318 1319 1320 1321 |
if( useTimeout ) alarm(30 + pStat->st_size/1000);
#ifdef linux
{
off_t offset = rangeStart;
nOut += sendfile(fileno(stdout), fileno(in), &offset, pStat->st_size);
}
#else
| < < | < < < < < < < | 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 |
if( useTimeout ) alarm(30 + pStat->st_size/1000);
#ifdef linux
{
off_t offset = rangeStart;
nOut += sendfile(fileno(stdout), fileno(in), &offset, pStat->st_size);
}
#else
xferBytes(in, stdout, (int)pStat->st_size, rangeStart);
#endif
fclose(in);
return 0;
}
/*
** A CGI or SCGI script has run and is sending its reply back across
|
| ︙ | ︙ | |||
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aRes[nRes] = 0;
printf("%s", aRes);
nOut += nRes;
nRes = 0;
}
if( seenContentLength ){
nOut += printf("Content-length: %d\r\n\r\n", contentLength);
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aRes[nRes] = 0;
printf("%s", aRes);
nOut += nRes;
nRes = 0;
}
if( seenContentLength ){
nOut += printf("Content-length: %d\r\n\r\n", contentLength);
xferBytes(in, stdout, contentLength, rangeStart);
}else{
while( (c = getc(in))!=EOF ){
if( nRes>=nMalloc ){
nMalloc = nMalloc*2;
aRes = realloc(aRes, nMalloc+1);
if( aRes==0 ){
Malfunction(610, "Out of memory: %d bytes", nMalloc);
|
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