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Simplify handler dispatching mechanism

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This commit is contained in:
Sascha Schumann 2002-11-01 11:51:35 +00:00
parent 1a7a5b3982
commit 082d9c4936
1 changed files with 46 additions and 45 deletions
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91
sapi/thttpd/thttpd_patch
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@ -925,7 +925,7 @@ diff -ur thttpd-2.21b/mmc.h thttpd-2.21b-cool/mmc.h
** If you have a stat buffer on the file, pass it in, otherwise pass 0.
diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
--- thttpd-2.21b/thttpd.c Tue Apr 24 00:41:57 2001
+++ thttpd-2.21b-cool/thttpd.c Fri Nov 1 12:43:17 2002
+++ thttpd-2.21b-cool/thttpd.c Fri Nov 1 12:48:04 2002
@@ -66,6 +66,8 @@
static char* dir;
static int do_chroot, no_log, no_symlink, do_vhost, do_global_passwd;
@ -1008,7 +1008,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
+handler_func handler_array[CNST_TOTAL_NR] =
+{NULL, handle_read, handle_send, NULL, handle_linger, handle_send_resp, handle_read_body};
+#define RUN_HANDLER(type, c) handler_array[type](c, &tv)
+#define RUN_HANDLER(type, c) if (handler_array[type]) handler_array[type](c, &tv)
static void
handle_term( int sig )
@ -1021,7 +1021,15 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
static void
handle_usr2( int sig )
{
@@ -420,7 +437,8 @@
@@ -217,7 +234,6 @@
int num_ready;
int cnum, ridx;
connecttab* c;
- httpd_conn* hc;
httpd_sockaddr sa4;
httpd_sockaddr sa6;
int gotv4, gotv6;
@@ -420,7 +436,8 @@
hostname,
gotv4 ? &sa4 : (httpd_sockaddr*) 0, gotv6 ? &sa6 : (httpd_sockaddr*) 0,
port, cgi_pattern, charset, cwd, no_log, logfp, no_symlink, do_vhost,
@ -1031,7 +1039,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
if ( hs == (httpd_server*) 0 )
exit( 1 );
@@ -430,6 +448,12 @@
@@ -430,6 +447,12 @@
syslog( LOG_CRIT, "tmr_create(occasional) failed" );
exit( 1 );
}
@ -1044,7 +1052,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
if ( numthrottles > 0 )
{
/* Set up the throttles timer. */
@@ -454,12 +478,14 @@
@@ -454,12 +477,14 @@
/* If we're root, try to become someone else. */
if ( getuid() == 0 )
{
@ -1059,7 +1067,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
/* Set primary group. */
if ( setgid( gid ) < 0 )
{
@@ -495,13 +521,17 @@
@@ -495,13 +520,17 @@
}
maxconnects -= SPARE_FDS;
connects = NEW( connecttab, maxconnects );
@ -1077,7 +1085,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
connects[cnum].conn_state = CNST_FREE;
connects[cnum].hc = (httpd_conn*) 0;
}
@@ -518,6 +548,8 @@
@@ -518,6 +547,8 @@
/* Main loop. */
(void) gettimeofday( &tv, (struct timezone*) 0 );
@ -1086,10 +1094,11 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
while ( ( ! terminate ) || numconnects > 0 )
{
/* Do the fd watch. */
@@ -566,15 +598,18 @@
@@ -565,16 +596,10 @@
c = (connecttab*) fdwatch_get_client_data( ridx );
if ( c == (connecttab*) 0 )
continue;
hc = c->hc;
- hc = c->hc;
- if ( c->conn_state == CNST_READING &&
- fdwatch_check_fd( hc->conn_fd ) )
- handle_read( c, &tv );
@ -1099,22 +1108,14 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
- else if ( c->conn_state == CNST_LINGERING &&
- fdwatch_check_fd( hc->conn_fd ) )
- handle_linger( c, &tv );
+ switch (c->conn_state) {
+ case CNST_READING:
+ case CNST_SENDING:
+ case CNST_LINGERING:
+ case CNST_SENDING_RESP:
+ case CNST_READING_BODY:
+ fdwatch_check_fd(hc->conn_fd);
+ RUN_HANDLER(c->conn_state, c);
+ break;
+ }
+
+
+#if DO_UNNECESSARY_CHECK_FD
+ fdwatch_check_fd(c->hc->conn_fd);
+#endif
+ RUN_HANDLER(c->conn_state, c);
}
tmr_run( &tv );
@@ -627,6 +662,8 @@
@@ -627,6 +652,8 @@
#else /* CGI_PATTERN */
cgi_pattern = (char*) 0;
#endif /* CGI_PATTERN */
@ -1123,7 +1124,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
url_pattern = (char*) 0;
no_empty_referers = 0;
local_pattern = (char*) 0;
@@ -833,6 +870,16 @@
@@ -833,6 +860,16 @@
value_required( name, value );
cgi_pattern = e_strdup( value );
}
@ -1140,7 +1141,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
else if ( strcasecmp( name, "urlpat" ) == 0 )
{
value_required( name, value );
@@ -1196,8 +1243,10 @@
@@ -1196,8 +1233,10 @@
logstats( &tv );
for ( cnum = 0; cnum < maxconnects; ++cnum )
{
@ -1152,7 +1153,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
if ( connects[cnum].hc != (httpd_conn*) 0 )
{
httpd_destroy_conn( connects[cnum].hc );
@@ -1214,6 +1263,7 @@
@@ -1214,6 +1253,7 @@
}
mmc_destroy();
tmr_destroy();
@ -1160,7 +1161,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
free( (void*) connects );
if ( throttles != (throttletab*) 0 )
free( (void*) throttles );
@@ -1234,7 +1284,7 @@
@@ -1234,7 +1274,7 @@
for (;;)
{
/* Is there room in the connection table? */
@ -1169,7 +1170,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
{
/* Out of connection slots. Run the timers, then the
** existing connections, and maybe we'll free up a slot
@@ -1245,10 +1295,10 @@
@@ -1245,10 +1285,10 @@
return 0;
}
/* Find a free connection entry. */
@ -1184,7 +1185,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
/* Make the httpd_conn if necessary. */
if ( c->hc == (httpd_conn*) 0 )
{
@@ -1267,24 +1317,18 @@
@@ -1267,24 +1307,18 @@
{
case GC_FAIL:
case GC_NO_MORE:
@ -1212,7 +1213,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
/* Set the connection file descriptor to no-delay mode. */
httpd_set_ndelay( c->hc->conn_fd );
@@ -1297,12 +1341,49 @@
@@ -1297,12 +1331,49 @@
}
}
@ -1263,7 +1264,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
httpd_conn* hc = c->hc;
/* Is there room in our buffer to read more bytes? */
@@ -1311,7 +1392,7 @@
@@ -1311,7 +1382,7 @@
if ( hc->read_size > 5000 )
{
httpd_send_err( hc, 400, httpd_err400title, "", httpd_err400form, "" );
@ -1272,7 +1273,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
return;
}
httpd_realloc_str(
@@ -1327,14 +1408,43 @@
@@ -1327,14 +1398,43 @@
** EWOULDBLOCK; however, this apparently can happen if a packet gets
** garbled.
*/
@ -1321,7 +1322,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
/* Do we have a complete request yet? */
switch ( httpd_got_request( hc ) )
{
@@ -1342,14 +1452,14 @@
@@ -1342,14 +1442,14 @@
return;
case GR_BAD_REQUEST:
httpd_send_err( hc, 400, httpd_err400title, "", httpd_err400form, "" );
@ -1338,7 +1339,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
return;
}
@@ -1358,18 +1468,28 @@
@@ -1358,18 +1458,28 @@
{
httpd_send_err(
hc, 503, httpd_err503title, "", httpd_err503form, hc->encodedurl );
@ -1369,7 +1370,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
/* Fill in bytes_to_send. */
if ( hc->got_range )
{
@@ -1384,37 +1504,24 @@
@@ -1384,37 +1494,24 @@
{
/* No file address means someone else is handling it. */
c->bytes_sent = hc->bytes_sent;
@ -1414,7 +1415,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
static void
handle_send( connecttab* c, struct timeval* tvP )
{
@@ -1443,6 +1550,9 @@
@@ -1443,6 +1540,9 @@
iv[1].iov_base = &(hc->file_address[c->bytes_sent]);
iv[1].iov_len = MIN( c->bytes_to_send - c->bytes_sent, c->limit );
sz = writev( hc->conn_fd, iv, 2 );
@ -1424,7 +1425,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
}
if ( sz == 0 ||
@@ -1486,12 +1596,12 @@
@@ -1486,12 +1586,12 @@
*/
if ( errno != EPIPE && errno != EINVAL && errno != ECONNRESET )
syslog( LOG_ERR, "write - %m sending %.80s", hc->encodedurl );
@ -1439,7 +1440,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
/* Was this a headers + file writev()? */
if ( hc->responselen > 0 )
{
@@ -1500,7 +1610,7 @@
@@ -1500,7 +1600,7 @@
{
/* Yes; move the unwritten part to the front of the buffer. */
int newlen = hc->responselen - sz;
@ -1448,7 +1449,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
hc->responselen = newlen;
sz = 0;
}
@@ -1519,7 +1629,7 @@
@@ -1519,7 +1619,7 @@
if ( c->bytes_sent >= c->bytes_to_send )
{
/* This conection is finished! */
@ -1457,7 +1458,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
return;
}
@@ -1560,6 +1670,9 @@
@@ -1560,6 +1660,9 @@
char buf[1024];
int r;
@ -1467,7 +1468,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
/* In lingering-close mode we just read and ignore bytes. An error
** or EOF ends things, otherwise we go until a timeout.
*/
@@ -1569,6 +1682,61 @@
@@ -1569,6 +1672,61 @@
}
@ -1529,7 +1530,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
static int
check_throttles( connecttab* c )
{
@@ -1635,23 +1803,18 @@
@@ -1635,23 +1793,18 @@
static void
@ -1559,7 +1560,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
if ( c->wakeup_timer != (Timer*) 0 )
{
tmr_cancel( c->wakeup_timer );
@@ -1669,13 +1832,36 @@
@@ -1669,13 +1822,36 @@
** circumstances that make a lingering close necessary. If the flag
** isn't set we do the real close now.
*/
@ -1598,7 +1599,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
client_data.p = c;
c->linger_timer = tmr_create(
tvP, linger_clear_connection, client_data, LINGER_TIME * 1000L, 0 );
@@ -1684,9 +1870,19 @@
@@ -1684,9 +1860,19 @@
syslog( LOG_CRIT, "tmr_create(linger_clear_connection) failed" );
exit( 1 );
}
@ -1619,7 +1620,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
}
@@ -1702,45 +1898,12 @@
@@ -1702,45 +1888,12 @@
tmr_cancel( c->linger_timer );
c->linger_timer = 0;
}
@ -1666,7 +1667,7 @@ diff -ur thttpd-2.21b/thttpd.c thttpd-2.21b-cool/thttpd.c
static void
wakeup_connection( ClientData client_data, struct timeval* nowP )
@@ -1826,3 +1989,41 @@
@@ -1826,3 +1979,41 @@
stats_connections = stats_bytes = 0L;
stats_simultaneous = 0;
}