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5fa7631d 1## _____ _ ____ ___
2## | ____| / \ | _ \_ _|
3## | _| / _ \ | |_) | |
4## | |__ / ___ \| __/| |
5## |____/_/ \_\_| |___| Extended API for Apache
6## ____________________________________________________________________________
7##
8## Annotated patch file: eapi.patch
fce257bb
JB
9## Copyright (c) 1998-2007 Ralf S. Engelschall, All Rights Reserved.
10## Created on: 12-Sep-2007
5fa7631d 11##
12## This file assembles changes to existing Apache source files
13## between the original Apache and the patched variant. It can be
14## automatically applied to a vanilla Apache source tree with the
15## 'patch' tool to upgrade those files. Each patch snippet is
16## annotated with a short description.
17##
18## This file contains all patches to the Apache source
19## tree which add the Extended API (EAPI) support.
20##
21
22+---------------------------------------------------------------------------
23| Add the EAPI and EAPI_MM configuration entries which triggers the EAPI
24| patches and configured the shared memory support via the MM library.
25+---------------------------------------------------------------------------
26Index: src/Configuration.tmpl
0f67ba48
JB
27--- src/Configuration.tmpl 11 May 2004 18:28:09 -0000 1.1.1.8
28+++ src/Configuration.tmpl 11 May 2004 18:32:15 -0000 1.24
5fa7631d 29@@ -68,6 +105,24 @@
30 #TARGET=
31
32 ################################################################
33+# Extended API (EAPI) support:
34+#
35+# EAPI:
36+# The EAPI rule enables more module hooks, a generic low-level hook
37+# mechanism, a generic context mechanism and shared memory based pools.
38+#
39+# EAPI_MM:
40+# Set the EAPI_MM variable to either the directory of a MM Shared Memory
41+# Library source tree or the installation tree of MM. Alternatively you can
42+# also use the value 'SYSTEM' which then indicates that MM is installed
43+# under various system locations. When the MM library files cannot be found
44+# the EAPI still can be built, but without shared memory pool support, of
45+# course.
46+
47+Rule EAPI=no
48+#EAPI_MM=SYSTEM
49+
50+################################################################
51 # Dynamic Shared Object (DSO) support
52 #
53 # There is experimental support for compiling the Apache core and
54
55+---------------------------------------------------------------------------
56| Patch in implementation of the EAPI rule.
57+---------------------------------------------------------------------------
58Index: src/Configure
fce257bb
JB
59--- src/Configure 10 Sep 2007 20:30:32 -0000 1.1.1.30
60+++ src/Configure 10 Sep 2007 20:33:10 -0000 1.33
bff29bab 61@@ -1868,6 +1868,72 @@
5fa7631d 62 fi
63
64 ####################################################################
65+## Extended API (EAPI) support:
66+##
67+if [ "x$RULE_EAPI" = "x" ]; then
68+ RULE_EAPI=`./helpers/CutRule EAPI $file`
69+fi
70+if [ "x$RULE_EAPI" = "xyes" ]; then
71+ echo " + enabling Extended API (EAPI)"
72+ CFLAGS="$CFLAGS -DEAPI"
73+ # some vendor compilers are too restrictive
74+ # for our ap_hook and ap_ctx sources.
75+ case "$OS:$CC" in
76+ *IRIX-32*:*/cc|*IRIX-32*:cc )
77+ CFLAGS="$CFLAGS -woff 1048,1110,1164"
78+ ;;
79+ esac
80+ # MM Shared Memory Library support for EAPI
81+ if [ "x$EAPI_MM" = "x" ]; then
695b0fd7 82+ EAPI_MM=`egrep '^EAPI_MM=' $file | sed -n -e '$p' | awk -F= '{print $2}'`
5fa7631d 83+ fi
84+ if [ "x$EAPI_MM" != "x" ]; then
85+ case $EAPI_MM in
86+ SYSTEM|/* ) ;;
87+ * ) for p in . .. ../..; do
88+ if [ -d "$p/$EAPI_MM" ]; then
89+ EAPI_MM="`echo $p/$EAPI_MM | sed -e 's;/\./;/;g'`"
90+ break
91+ fi
92+ done
93+ ;;
94+ esac
95+ if [ "x$EAPI_MM" = "xSYSTEM" ]; then
96+ echo " using MM library for EAPI: (system-wide)"
97+ CFLAGS="$CFLAGS -DEAPI_MM"
98+ __INCLUDES="`mm-config --cflags`"
99+ if [ "x$__INCLUDES" != "x-I/usr/include" ]; then
100+ INCLUDES="$INCLUDES $__INCLUDES"
101+ fi
102+ LDFLAGS="$LDFLAGS `mm-config --ldflags`"
103+ LIBS="$LIBS `mm-config --libs`"
104+ else
105+ if [ -f "$EAPI_MM/.libs/libmm.a" -a -f "$EAPI_MM/mm.h" ]; then
106+ echo " using MM library: $EAPI_MM (source-tree only)"
107+ case $EAPI_MM in
108+ /* ) ;;
109+ * ) EAPI_MM="\$(SRCDIR)/$EAPI_MM" ;;
110+ esac
111+ CFLAGS="$CFLAGS -DEAPI_MM"
112+ INCLUDES="$INCLUDES -I$EAPI_MM"
113+ LDFLAGS="$LDFLAGS -L$EAPI_MM/.libs"
114+ LIBS="$LIBS -lmm"
115+ elif [ -f "$EAPI_MM/bin/mm-config" ]; then
116+ echo " using MM library: $EAPI_MM (installed)"
117+ CFLAGS="$CFLAGS -DEAPI_MM"
118+ INCLUDES="$INCLUDES `$EAPI_MM/bin/mm-config --cflags`"
119+ LDFLAGS="$LDFLAGS `$EAPI_MM/bin/mm-config --ldflags`"
120+ LIBS="$LIBS `$EAPI_MM/bin/mm-config --libs`"
121+ else
122+ echo "Configure:Error: Cannot find MM library under $EAPI_MM" 1>&2
123+ exit 1
124+ fi
125+ fi
126+ fi
127+fi
128+
129+
130+####################################################################
131 ## Add in the Expat library if needed/wanted.
132 ##
b5bf29fd 133
5fa7631d 134
135+---------------------------------------------------------------------------
136| Add the build support for the ap_hook.c and ap_ctx.c sources (Unix)
137+---------------------------------------------------------------------------
138Index: src/ap/Makefile.tmpl
77cf3173
JB
139--- src/ap/Makefile.tmpl 19 Jun 2002 07:20:22 -0000 1.1.1.8
140+++ src/ap/Makefile.tmpl 19 Jun 2002 07:29:08 -0000 1.8
141@@ -7,7 +7,7 @@
5fa7631d 142
143 OBJS=ap_cpystrn.o ap_execve.o ap_fnmatch.o ap_getpass.o ap_md5c.o ap_signal.o \
695b0fd7
JB
144 ap_slack.o ap_snprintf.o ap_sha1.o ap_checkpass.o ap_base64.o ap_ebcdic.o \
145- ap_strtol.o
146+ ap_strtol.o ap_hook.o ap_ctx.o ap_mm.o
5fa7631d 147
148 .c.o:
149 $(CC) -c $(INCLUDES) $(CFLAGS) $<
150
151+---------------------------------------------------------------------------
152| Add the build support for the ap_hook.c and ap_ctx.c sources (Win32)
153+---------------------------------------------------------------------------
154Index: src/ap/ap.mak
a4b3eeab
JB
155--- src/ap/ap.mak 18 Oct 2005 06:26:22 -0000 1.1.1.11
156+++ src/ap/ap.mak 18 Oct 2005 06:27:34 -0000 1.11
7802c33e 157@@ -44,6 +44,9 @@
5fa7631d 158 -@erase "$(INTDIR)\ap_cpystrn.obj"
159 -@erase "$(INTDIR)\ap_fnmatch.obj"
160 -@erase "$(INTDIR)\ap_md5c.obj"
161+ -@erase "$(INTDIR)\ap_hook.obj"
162+ -@erase "$(INTDIR)\ap_ctx.obj"
163+ -@erase "$(INTDIR)\ap_mm.obj"
164 -@erase "$(INTDIR)\ap_sha1.obj"
165 -@erase "$(INTDIR)\ap_signal.obj"
166 -@erase "$(INTDIR)\ap_slack.obj"
7802c33e 167@@ -99,6 +102,9 @@
5fa7631d 168 "$(INTDIR)\ap_cpystrn.obj" \
169 "$(INTDIR)\ap_fnmatch.obj" \
170 "$(INTDIR)\ap_md5c.obj" \
171+ "$(INTDIR)\ap_hook.obj" \
172+ "$(INTDIR)\ap_ctx.obj" \
173+ "$(INTDIR)\ap_mm.obj" \
174 "$(INTDIR)\ap_sha1.obj" \
175 "$(INTDIR)\ap_signal.obj" \
176 "$(INTDIR)\ap_slack.obj" \
7802c33e 177@@ -128,6 +134,9 @@
5fa7631d 178 -@erase "$(INTDIR)\ap_cpystrn.obj"
179 -@erase "$(INTDIR)\ap_fnmatch.obj"
180 -@erase "$(INTDIR)\ap_md5c.obj"
181+ -@erase "$(INTDIR)\ap_hook.obj"
182+ -@erase "$(INTDIR)\ap_ctx.obj"
183+ -@erase "$(INTDIR)\ap_mm.obj"
184 -@erase "$(INTDIR)\ap_sha1.obj"
185 -@erase "$(INTDIR)\ap_signal.obj"
186 -@erase "$(INTDIR)\ap_slack.obj"
7802c33e 187@@ -183,6 +192,9 @@
5fa7631d 188 "$(INTDIR)\ap_cpystrn.obj" \
189 "$(INTDIR)\ap_fnmatch.obj" \
190 "$(INTDIR)\ap_md5c.obj" \
191+ "$(INTDIR)\ap_hook.obj" \
192+ "$(INTDIR)\ap_ctx.obj" \
193+ "$(INTDIR)\ap_mm.obj" \
194 "$(INTDIR)\ap_sha1.obj" \
195 "$(INTDIR)\ap_signal.obj" \
196 "$(INTDIR)\ap_slack.obj" \
197
198+---------------------------------------------------------------------------
199| Replace the MODULE_MAGIC_COOKIE to allow us to distinguish between
200| EAPI-aware modules and standard modules.
201+---------------------------------------------------------------------------
202Index: src/include/ap_mmn.h
bff29bab 203--- src/include/ap_mmn.h 28 Jul 2006 13:55:31 -0000 1.1.1.15
204+++ src/include/ap_mmn.h 28 Jul 2006 13:56:29 -0000 1.15
205@@ -207,7 +207,23 @@
a4b3eeab 206 * 19990320.18 - trace_enable member added to core server_config
5fa7631d 207 */
208
209+/*
210+ * Under Extended API situations we replace the magic cookie "AP13" with
211+ * "EAPI" to let us distinguish between the EAPI module structure (which
212+ * contain additional pointers at the end) and standard module structures
213+ * (which lack at least NULL's for the pointers at the end). This is
214+ * important because standard ("AP13") modules would dump core when we
215+ * dispatch over the additional hooks because NULL's are missing at the end of
216+ * the module structure. See also the code in mod_so for details on loading
217+ * (we accept both "AP13" and "EAPI").
218+ */
219+#ifdef EAPI
220+#define MODULE_MAGIC_COOKIE_AP13 0x41503133UL /* "AP13" */
221+#define MODULE_MAGIC_COOKIE_EAPI 0x45415049UL /* "EAPI" */
222+#define MODULE_MAGIC_COOKIE MODULE_MAGIC_COOKIE_EAPI
223+#else
224 #define MODULE_MAGIC_COOKIE 0x41503133UL /* "AP13" */
225+#endif
226
227 #ifndef MODULE_MAGIC_NUMBER_MAJOR
228 #define MODULE_MAGIC_NUMBER_MAJOR 19990320
229
230+---------------------------------------------------------------------------
231| Add the additional prototypes and defines for the
232| shared memory pools.
233+---------------------------------------------------------------------------
234Index: src/include/ap_alloc.h
bff29bab 235--- src/include/ap_alloc.h 28 Jul 2006 13:55:32 -0000 1.1.1.9
236+++ src/include/ap_alloc.h 28 Jul 2006 13:56:29 -0000 1.10
237@@ -53,6 +53,15 @@
a6148d70 238 API_EXPORT(pool *) ap_init_alloc(void); /* Set up everything */
5fa7631d 239 void ap_cleanup_alloc(void);
240 API_EXPORT(pool *) ap_make_sub_pool(pool *); /* All pools are subpools of permanent_pool */
241+#if defined(EAPI)
242+typedef enum { AP_POOL_RD, AP_POOL_RW } ap_pool_lock_mode;
243+int ap_shared_pool_possible(void);
244+void ap_init_alloc_shared(int);
245+void ap_kill_alloc_shared(void);
246+API_EXPORT(pool *) ap_make_shared_sub_pool(pool *);
247+API_EXPORT(int) ap_acquire_pool(pool *, ap_pool_lock_mode);
248+API_EXPORT(int) ap_release_pool(pool *);
249+#endif
250 API_EXPORT(void) ap_destroy_pool(pool *);
251
252 /* pools have nested lifetimes -- sub_pools are destroyed when the
253
254+---------------------------------------------------------------------------
255| Add the additional context variable `ctx' for BUFF structures.
256+---------------------------------------------------------------------------
257Index: src/include/buff.h
bff29bab 258--- src/include/buff.h 28 Jul 2006 13:55:31 -0000 1.1.1.9
259+++ src/include/buff.h 28 Jul 2006 13:56:29 -0000 1.13
260@@ -83,6 +83,10 @@
5fa7631d 261 /* transport handle, for RPC binding handle or some such */
262 void *t_handle;
263
264+#ifdef EAPI
265+ ap_ctx *ctx;
266+#endif /* EAPI */
267+
268 #ifdef B_SFIO
269 Sfio_t *sf_in;
270 Sfio_t *sf_out;
bff29bab 271@@ -139,6 +143,10 @@
5fa7631d 272 API_EXPORT(int) ap_bflsbuf(int c, BUFF *fb);
273 API_EXPORT(int) ap_bfilbuf(BUFF *fb);
d5724db6 274
5fa7631d 275+#ifdef EAPI
276+#define ap_bpeekc(fb) ( ((fb)->incnt == 0) ? EOF : *((fb)->inptr) )
277+#endif
d5724db6 278+
5fa7631d 279 #ifndef CHARSET_EBCDIC
280
d5724db6 281 #define ap_bgetc(fb) ( ((fb)->incnt == 0) ? ap_bfilbuf(fb) : \
5fa7631d 282
283+---------------------------------------------------------------------------
284| Add the four additional Apache API module hooks.
285+---------------------------------------------------------------------------
286Index: src/include/http_config.h
bff29bab 287--- src/include/http_config.h 28 Jul 2006 13:55:31 -0000 1.1.1.15
288+++ src/include/http_config.h 28 Jul 2006 13:56:29 -0000 1.17
289@@ -234,6 +234,65 @@
5fa7631d 290 void (*child_exit) (server_rec *, pool *);
291 #endif
292 int (*post_read_request) (request_rec *);
293+
294+#ifdef EAPI
295+ /*
296+ * ANSI C guarantees us that we can at least _extend_ the module structure
297+ * with additional hooks without the need to change all existing modules.
298+ * Because: ``If there are fewer initializers in the list than members of
299+ * the structure, the trailing members are initialized with 0.'' (The C
300+ * Programming Language, 2nd Ed., A8.7 Initialization). So we just
301+ * have to put our additional hooks here:
302+ *
303+ * add_module:
304+ * Called from within ap_add_module() right after the module structure
305+ * was linked into the Apache internal module list. It is mainly
306+ * intended to be used to define configuration defines (<IfDefine>)
307+ * which have to be available directly after a LoadModule/AddModule.
308+ * Actually this is the earliest possible hook a module can use.
309+ *
310+ * remove_module:
311+ * Called from within ap_remove_module() right before the module
312+ * structure is kicked out from the Apache internal module list.
313+ * Actually this is last possible hook a module can use and exists for
314+ * consistency with the add_module hook.
315+ *
316+ * rewrite_command:
317+ * Called right after a configuration directive line was read and
318+ * before it is processed. It is mainly intended to be used for
319+ * rewriting directives in order to provide backward compatibility to
320+ * old directive variants.
321+ *
322+ * new_connection:
323+ * Called from within the internal new_connection() function, right
324+ * after the conn_rec structure for the new established connection was
325+ * created and before Apache starts processing the request with
326+ * ap_read_request(). It is mainly intended to be used to setup/run
327+ * connection dependent things like sending start headers for
328+ * on-the-fly compression, etc.
329+ *
330+ * close_connection:
331+ * Called from within the Apache dispatching loop just before any
332+ * ap_bclose() is performed on the socket connection, but a long time
333+ * before any pool cleanups are done for the connection (which can be
334+ * too late for some applications). It is mainly intended to be used
335+ * to close/finalize connection dependent things like sending end
336+ * headers for on-the-fly compression, etc.
337+ */
338+#ifdef ULTRIX_BRAIN_DEATH
339+ void (*add_module) ();
340+ void (*remove_module) ();
341+ char *(*rewrite_command) ();
342+ void (*new_connection) ();
343+ void (*close_connection) ();
344+#else
345+ void (*add_module) (struct module_struct *);
346+ void (*remove_module) (struct module_struct *);
347+ char *(*rewrite_command) (cmd_parms *, void *config, const char *);
348+ void (*new_connection) (conn_rec *);
349+ void (*close_connection) (conn_rec *);
350+#endif
351+#endif /* EAPI */
352 } module;
353
354 /* Initializer for the first few module slots, which are only
355
356+---------------------------------------------------------------------------
357| Add the additional variable `ap_global_ctx' for holding
358| global module context.
359+---------------------------------------------------------------------------
360Index: src/include/http_conf_globals.h
bff29bab 361--- src/include/http_conf_globals.h 28 Jul 2006 13:55:30 -0000 1.1.1.15
362+++ src/include/http_conf_globals.h 28 Jul 2006 13:56:29 -0000 1.16
363@@ -53,6 +53,9 @@
b5bf29fd 364 #endif
5fa7631d 365 extern int ap_dump_settings;
366 extern API_VAR_EXPORT int ap_extended_status;
367+#ifdef EAPI
368+extern API_VAR_EXPORT ap_ctx *ap_global_ctx;
369+#endif /* EAPI */
370
371 extern API_VAR_EXPORT char *ap_pid_fname;
372 extern API_VAR_EXPORT char *ap_scoreboard_fname;
373
5fa7631d 374+---------------------------------------------------------------------------
375| First add support for the HTTPS protocol scheme via hooks,
376| second add the additional context variable `ctx' for the
377| conn_rec, server_rec and request_rec structures. And third
378| add a prototype for the additional ap_add_config_define()
379| function.
380+---------------------------------------------------------------------------
7802c33e 381Index: src/include/httpd.h
fce257bb
JB
382--- src/include/httpd.h 10 Sep 2007 20:30:33 -0000 1.1.1.30
383+++ src/include/httpd.h 10 Sep 2007 20:33:10 -0000 1.40
bff29bab 384@@ -28,7 +28,19 @@
7802c33e 385 /* Headers in which EVERYONE has an interest... */
5fa7631d 386
7802c33e 387 #include "ap_config.h"
5fa7631d 388+#ifdef EAPI
7802c33e
JB
389+#include "ap_mm.h"
390+#endif
391 #include "ap_alloc.h"
392+/*
393+ * Include the Extended API headers.
394+ * Don't move the position. It has to be after ap_alloc.h because it uses the
395+ * pool stuff but before buff.h because the buffer stuff uses the EAPI, too.
396+ */
015adaf5 397+#ifdef EAPI
7802c33e
JB
398+#include "ap_hook.h"
399+#include "ap_ctx.h"
015adaf5 400+#endif /* EAPI */
7802c33e
JB
401 #include "buff.h"
402 #include "ap.h"
403
bff29bab 404@@ -103,8 +115,13 @@
7802c33e
JB
405 #define ap_http_method(r) ap_os_http_method((void*)r)
406 #define ap_default_port(r) ap_os_default_port((void*)r)
015adaf5 407 #else
015adaf5 408+#ifdef EAPI
7802c33e
JB
409+#define ap_http_method(r) (((r)->ctx != NULL && ap_ctx_get((r)->ctx, "ap::http::method") != NULL) ? ((char *)ap_ctx_get((r)->ctx, "ap::http::method")) : "http")
410+#define ap_default_port(r) (((r)->ctx != NULL && ap_ctx_get((r)->ctx, "ap::default::port") != NULL) ? atoi((char *)ap_ctx_get((r)->ctx, "ap::default::port")) : DEFAULT_HTTP_PORT)
411+#else /* EAPI */
412 #define ap_http_method(r) "http"
413 #define ap_default_port(r) DEFAULT_HTTP_PORT
5fa7631d 414+#endif /* EAPI */
7802c33e 415 #endif
5fa7631d 416
7802c33e 417 /* --------- Default user name and group name running standalone ---------- */
bff29bab 418@@ -313,6 +330,19 @@
7802c33e
JB
419 #define SCOREBOARD_MAINTENANCE_INTERVAL 1000000
420 #endif
5fa7631d 421
7802c33e
JB
422+/*
423+ * Unix only:
424+ * Path to Shared Memory Files
425+ */
5fa7631d 426+#ifdef EAPI
7802c33e
JB
427+#ifndef EAPI_MM_CORE_PATH
428+#define EAPI_MM_CORE_PATH "logs/mm"
429+#endif
430+#ifndef EAPI_MM_CORE_MAXSIZE
431+#define EAPI_MM_CORE_MAXSIZE 1024*1024*1 /* max. 1MB */
432+#endif
433+#endif
5fa7631d 434+
7802c33e
JB
435 /* Number of requests to try to handle in a single process. If <= 0,
436 * the children don't die off. That's the default here, since I'm still
437 * interested in finding and stanching leaks.
bff29bab 438@@ -405,6 +435,9 @@
7802c33e
JB
439 API_EXPORT(const char *) ap_get_server_version(void);
440 API_EXPORT(void) ap_add_version_component(const char *component);
441 API_EXPORT(const char *) ap_get_server_built(void);
5fa7631d 442+#ifdef EAPI
7802c33e 443+API_EXPORT(void) ap_add_config_define(const char *define);
5fa7631d 444+#endif /* EAPI */
015adaf5 445
7802c33e
JB
446 /* Numeric release version identifier: MMNNFFRBB: major minor fix final beta
447 * Always increases along the same track as the source branch.
bff29bab 448@@ -808,6 +841,10 @@
7802c33e
JB
449 * record to improve 64bit alignment the next time we need to break
450 * binary compatibility for some other reason.
451 */
5fa7631d 452+
453+#ifdef EAPI
7802c33e 454+ ap_ctx *ctx;
5fa7631d 455+#endif /* EAPI */
7802c33e 456 };
5fa7631d 457
458
bff29bab 459@@ -856,6 +893,9 @@
7802c33e
JB
460 char *local_host; /* used for ap_get_server_name when
461 * UseCanonicalName is set to DNS
462 * (ignores setting of HostnameLookups) */
5fa7631d 463+#ifdef EAPI
7802c33e 464+ ap_ctx *ctx;
5fa7631d 465+#endif /* EAPI */
7802c33e 466 };
015adaf5 467
7802c33e 468 /* Per-vhost config... */
bff29bab 469@@ -928,6 +968,10 @@
7802c33e
JB
470 int limit_req_line; /* limit on size of the HTTP request line */
471 int limit_req_fieldsize; /* limit on size of any request header field */
472 int limit_req_fields; /* limit on number of request header fields */
5fa7631d 473+
474+#ifdef EAPI
7802c33e 475+ ap_ctx *ctx;
5fa7631d 476+#endif /* EAPI */
7802c33e 477 };
5fa7631d 478
7802c33e 479 /* These are more like real hosts than virtual hosts */
5fa7631d 480
481+---------------------------------------------------------------------------
7802c33e 482| Patch the shared memory pool support into the Apache pool facility.
5fa7631d 483+---------------------------------------------------------------------------
7802c33e 484Index: src/main/alloc.c
bff29bab 485--- src/main/alloc.c 28 Jul 2006 13:55:33 -0000 1.1.1.18
486+++ src/main/alloc.c 28 Jul 2006 13:56:29 -0000 1.27
487@@ -22,6 +22,10 @@
7802c33e 488 */
5fa7631d 489
7802c33e 490 #include "httpd.h"
5fa7631d 491+#ifdef EAPI
7802c33e
JB
492+#include "http_config.h"
493+#include "http_conf_globals.h"
494+#endif
495 #include "multithread.h"
496 #include "http_log.h"
5fa7631d 497
bff29bab 498@@ -96,6 +100,10 @@
7802c33e
JB
499 #define BLOCK_MINALLOC 0
500 #endif
5fa7631d 501
7802c33e
JB
502+#if defined(EAPI) && defined(EAPI_MM)
503+static AP_MM *mm = NULL;
504+#endif
015adaf5 505+
7802c33e
JB
506 /*****************************************************************
507 *
508 * Managing free storage blocks...
bff29bab 509@@ -124,6 +132,9 @@
7802c33e
JB
510 char *endp;
511 union block_hdr *next;
512 char *first_avail;
513+#if defined(EAPI) && defined(EAPI_MM)
514+ int is_shm;
515+#endif
516 #ifdef POOL_DEBUG
517 union block_hdr *global_next;
518 struct pool *owning_pool;
bff29bab 519@@ -174,7 +185,11 @@
7802c33e
JB
520 /* Get a completely new block from the system pool. Note that we rely on
521 malloc() to provide aligned memory. */
5fa7631d 522
7802c33e
JB
523+#if defined(EAPI) && defined(EAPI_MM)
524+static union block_hdr *malloc_block(int size, int is_shm)
525+#else
526 static union block_hdr *malloc_block(int size)
527+#endif
528 {
529 union block_hdr *blok;
530 int request_size;
bff29bab 531@@ -190,6 +205,11 @@
7802c33e
JB
532 num_malloc_bytes += size + sizeof(union block_hdr);
533 #endif
534 request_size = size + sizeof(union block_hdr);
535+#if defined(EAPI) && defined(EAPI_MM)
536+ if (is_shm)
537+ blok = (union block_hdr *)ap_mm_malloc(mm, request_size);
538+ else
539+#endif
540 blok = (union block_hdr *) malloc(request_size);
541 if (blok == NULL) {
542 fprintf(stderr, "Ouch! malloc(%d) failed in malloc_block()\n",
bff29bab 543@@ -197,6 +217,9 @@
7802c33e 544 exit(1);
5fa7631d 545 }
7802c33e
JB
546 debug_fill(blok, size + sizeof(union block_hdr));
547+#if defined(EAPI) && defined(EAPI_MM)
548+ blok->h.is_shm = is_shm;
549+#endif
550 blok->h.next = NULL;
551 blok->h.first_avail = (char *) (blok + 1);
552 blok->h.endp = size + blok->h.first_avail;
bff29bab 553@@ -257,6 +280,10 @@
7802c33e
JB
554 if (blok == NULL)
555 return; /* Sanity check --- freeing empty pool? */
5fa7631d 556
7802c33e
JB
557+#if defined(EAPI) && defined(EAPI_MM)
558+ if (blok->h.is_shm)
559+ (void)ap_mm_lock(mm, AP_MM_LOCK_RW);
560+#endif
561 (void) ap_acquire_mutex(alloc_mutex);
562 old_free_list = block_freelist;
563 block_freelist = blok;
bff29bab 564@@ -303,6 +330,10 @@
5fa7631d 565 #endif
7802c33e
JB
566
567 (void) ap_release_mutex(alloc_mutex);
568+#if defined(EAPI) && defined(EAPI_MM)
569+ if (blok->h.is_shm)
570+ (void)ap_mm_unlock(mm);
5fa7631d 571+#endif
7802c33e 572 #endif
5fa7631d 573 }
574
bff29bab 575@@ -311,7 +342,11 @@
7802c33e
JB
576 * if necessary. Must be called with alarms blocked.
577 */
5fa7631d 578
7802c33e
JB
579+#if defined(EAPI) && defined(EAPI_MM)
580+static union block_hdr *new_block(int min_size, int is_shm)
581+#else
582 static union block_hdr *new_block(int min_size)
5fa7631d 583+#endif
7802c33e
JB
584 {
585 union block_hdr **lastptr = &block_freelist;
586 union block_hdr *blok = block_freelist;
bff29bab 587@@ -321,7 +356,12 @@
7802c33e
JB
588 */
589
590 while (blok != NULL) {
591+#if defined(EAPI) && defined(EAPI_MM)
592+ if (blok->h.is_shm == is_shm &&
593+ min_size + BLOCK_MINFREE <= blok->h.endp - blok->h.first_avail) {
594+#else
595 if (min_size + BLOCK_MINFREE <= blok->h.endp - blok->h.first_avail) {
5fa7631d 596+#endif
7802c33e
JB
597 *lastptr = blok->h.next;
598 blok->h.next = NULL;
599 debug_verify_filled(blok->h.first_avail, blok->h.endp,
bff29bab 600@@ -337,7 +377,11 @@
7802c33e
JB
601 /* Nope. */
602
603 min_size += BLOCK_MINFREE;
604+#if defined(EAPI) && defined(EAPI_MM)
605+ blok = malloc_block((min_size > BLOCK_MINALLOC) ? min_size : BLOCK_MINALLOC, is_shm);
606+#else
607 blok = malloc_block((min_size > BLOCK_MINALLOC) ? min_size : BLOCK_MINALLOC);
5fa7631d 608+#endif
7802c33e 609 return blok;
5fa7631d 610 }
611
bff29bab 612@@ -387,6 +431,9 @@
7802c33e
JB
613 #ifdef POOL_DEBUG
614 struct pool *joined;
615 #endif
616+#if defined(EAPI) && defined(EAPI_MM)
617+ int is_shm;
618+#endif
619 };
5fa7631d 620
7802c33e 621 static pool *permanent_pool;
bff29bab 622@@ -401,16 +448,28 @@
7802c33e
JB
623 #define POOL_HDR_CLICKS (1 + ((sizeof(struct pool) - 1) / CLICK_SZ))
624 #define POOL_HDR_BYTES (POOL_HDR_CLICKS * CLICK_SZ)
5fa7631d 625
7802c33e
JB
626+#if defined(EAPI) && defined(EAPI_MM)
627+static struct pool *make_sub_pool_internal(struct pool *p, int is_shm)
628+#else
629 API_EXPORT(struct pool *) ap_make_sub_pool(struct pool *p)
5fa7631d 630+#endif
7802c33e
JB
631 {
632 union block_hdr *blok;
633 pool *new_pool;
5fa7631d 634
7802c33e 635 ap_block_alarms();
5fa7631d 636
7802c33e
JB
637+#if defined(EAPI) && defined(EAPI_MM)
638+ if (is_shm)
639+ (void)ap_mm_lock(mm, AP_MM_LOCK_RW);
5fa7631d 640+#endif
7802c33e
JB
641 (void) ap_acquire_mutex(alloc_mutex);
642
643+#if defined(EAPI) && defined(EAPI_MM)
644+ blok = new_block(POOL_HDR_BYTES, is_shm);
5fa7631d 645+#else
7802c33e 646 blok = new_block(POOL_HDR_BYTES);
5fa7631d 647+#endif
7802c33e
JB
648 new_pool = (pool *) blok->h.first_avail;
649 blok->h.first_avail += POOL_HDR_BYTES;
650 #ifdef POOL_DEBUG
bff29bab 651@@ -429,12 +488,38 @@
7802c33e 652 p->sub_pools = new_pool;
015adaf5 653 }
5fa7631d 654
7802c33e
JB
655+#if defined(EAPI) && defined(EAPI_MM)
656+ new_pool->is_shm = is_shm;
657+#endif
5fa7631d 658+
7802c33e
JB
659 (void) ap_release_mutex(alloc_mutex);
660+#if defined(EAPI) && defined(EAPI_MM)
661+ if (is_shm)
662+ (void)ap_mm_unlock(mm);
663+#endif
664 ap_unblock_alarms();
5fa7631d 665
7802c33e
JB
666 return new_pool;
667 }
5fa7631d 668
7802c33e
JB
669+#if defined(EAPI)
670+#if defined(EAPI_MM)
671+API_EXPORT(struct pool *) ap_make_sub_pool(struct pool *p)
672+{
673+ return make_sub_pool_internal(p, 0);
674+}
675+API_EXPORT(struct pool *) ap_make_shared_sub_pool(struct pool *p)
676+{
677+ return make_sub_pool_internal(p, 1);
678+}
679+#else
680+API_EXPORT(struct pool *) ap_make_shared_sub_pool(struct pool *p)
681+{
682+ return NULL;
683+}
5fa7631d 684+#endif
5fa7631d 685+#endif
7802c33e
JB
686+
687 #ifdef POOL_DEBUG
688 static void stack_var_init(char *s)
689 {
bff29bab 690@@ -449,6 +534,13 @@
7802c33e 691 }
015adaf5 692 #endif
5fa7631d 693
7802c33e
JB
694+#if defined(EAPI)
695+int ap_shared_pool_possible(void)
696+{
697+ return ap_mm_useable();
698+}
699+#endif
5fa7631d 700+
7802c33e
JB
701 #ifdef ALLOC_STATS
702 static void dump_stats(void)
703 {
bff29bab 704@@ -481,6 +573,58 @@
7802c33e
JB
705 return permanent_pool;
706 }
5fa7631d 707
7802c33e
JB
708+#if defined(EAPI)
709+void ap_init_alloc_shared(int early)
710+{
711+#if defined(EAPI_MM)
712+ int mm_size;
713+ char *mm_path;
714+ char *err1, *err2;
015adaf5 715+
7802c33e
JB
716+ if (early) {
717+ /* process very early on startup */
718+ mm_size = ap_mm_maxsize();
719+ if (mm_size > EAPI_MM_CORE_MAXSIZE)
720+ mm_size = EAPI_MM_CORE_MAXSIZE;
721+ mm_path = ap_server_root_relative(permanent_pool,
722+ ap_psprintf(permanent_pool, "%s.%ld",
723+ EAPI_MM_CORE_PATH, (long)getpid()));
724+ if ((mm = ap_mm_create(mm_size, mm_path)) == NULL) {
725+ fprintf(stderr, "Ouch! ap_mm_create(%d, \"%s\") failed\n", mm_size, mm_path);
726+ err1 = ap_mm_error();
727+ if (err1 == NULL)
728+ err1 = "-unknown-";
729+ err2 = strerror(errno);
730+ if (err2 == NULL)
731+ err2 = "-unknown-";
732+ fprintf(stderr, "Error: MM: %s: OS: %s\n", err1, err2);
733+ exit(1);
734+ }
735+ }
736+ else {
737+ /* process a lot later on startup */
738+#ifdef WIN32
739+ ap_mm_permission(mm, (_S_IREAD|_S_IWRITE), ap_user_id, -1);
740+#else
741+ ap_mm_permission(mm, (S_IRUSR|S_IWUSR), ap_user_id, -1);
742+#endif
743+ }
744+#endif /* EAPI_MM */
745+ return;
746+}
747+
748+void ap_kill_alloc_shared(void)
749+{
750+#if defined(EAPI_MM)
751+ if (mm != NULL) {
752+ ap_mm_destroy(mm);
753+ mm = NULL;
754+ }
755+#endif /* EAPI_MM */
756+ return;
757+}
015adaf5 758+#endif /* EAPI */
759+
7802c33e
JB
760 void ap_cleanup_alloc(void)
761 {
762 ap_destroy_mutex(alloc_mutex);
bff29bab 763@@ -491,10 +635,18 @@
7802c33e
JB
764 {
765 ap_block_alarms();
5fa7631d 766
7802c33e
JB
767+#if defined(EAPI) && defined(EAPI_MM)
768+ if (a->is_shm)
769+ (void)ap_mm_lock(mm, AP_MM_LOCK_RW);
5fa7631d 770+#endif
7802c33e
JB
771 (void) ap_acquire_mutex(alloc_mutex);
772 while (a->sub_pools)
773 ap_destroy_pool(a->sub_pools);
774 (void) ap_release_mutex(alloc_mutex);
775+#if defined(EAPI) && defined(EAPI_MM)
776+ if (a->is_shm)
777+ (void)ap_mm_unlock(mm);
a4bf41f2 778+#endif
7802c33e
JB
779 /* Don't hold the mutex during cleanups. */
780 run_cleanups(a->cleanups);
781 a->cleanups = NULL;
bff29bab 782@@ -528,6 +680,10 @@
7802c33e
JB
783 ap_block_alarms();
784 ap_clear_pool(a);
a4bf41f2 785
7802c33e
JB
786+#if defined(EAPI) && defined(EAPI_MM)
787+ if (a->is_shm)
788+ (void)ap_mm_lock(mm, AP_MM_LOCK_RW);
015adaf5 789+#endif
7802c33e
JB
790 (void) ap_acquire_mutex(alloc_mutex);
791 if (a->parent) {
792 if (a->parent->sub_pools == a)
bff29bab 793@@ -538,6 +694,10 @@
7802c33e 794 a->sub_next->sub_prev = a->sub_prev;
5fa7631d 795 }
7802c33e
JB
796 (void) ap_release_mutex(alloc_mutex);
797+#if defined(EAPI) && defined(EAPI_MM)
798+ if (a->is_shm)
799+ (void)ap_mm_unlock(mm);
800+#endif
015adaf5 801
7802c33e
JB
802 free_blocks(a->first);
803 ap_unblock_alarms();
bff29bab 804@@ -552,6 +712,30 @@
7802c33e
JB
805 return bytes_in_block_list(block_freelist);
806 }
5fa7631d 807
7802c33e
JB
808+#if defined(EAPI)
809+API_EXPORT(int) ap_acquire_pool(pool *p, ap_pool_lock_mode mode)
810+{
811+#if defined(EAPI_MM)
812+ if (!p->is_shm)
813+ return 1;
814+ return ap_mm_lock(mm, mode == AP_POOL_RD ? AP_MM_LOCK_RD : AP_MM_LOCK_RW);
815+#else
816+ return 1;
817+#endif
818+}
819+
820+API_EXPORT(int) ap_release_pool(pool *p)
821+{
822+#if defined(EAPI_MM)
823+ if (!p->is_shm)
824+ return 1;
825+ return ap_mm_unlock(mm);
826+#else
827+ return 1;
828+#endif
829+}
5fa7631d 830+#endif /* EAPI */
831+
7802c33e
JB
832 /*****************************************************************
833 * POOL_DEBUG support
834 */
bff29bab 835@@ -717,16 +901,31 @@
5fa7631d 836
7802c33e 837 ap_block_alarms();
015adaf5 838
7802c33e
JB
839+#if defined(EAPI) && defined(EAPI_MM)
840+ if (a->is_shm)
841+ (void)ap_mm_lock(mm, AP_MM_LOCK_RW);
842+#endif
843 (void) ap_acquire_mutex(alloc_mutex);
015adaf5 844
7802c33e
JB
845+#if defined(EAPI) && defined(EAPI_MM)
846+ blok = new_block(size, a->is_shm);
847+#else
848 blok = new_block(size);
849+#endif
850 a->last->h.next = blok;
851 a->last = blok;
852 #ifdef POOL_DEBUG
853 blok->h.owning_pool = a;
854 #endif
855+#if defined(EAPI) && defined(EAPI_MM)
856+ blok->h.is_shm = a->is_shm;
015adaf5 857+#endif
5fa7631d 858
7802c33e
JB
859 (void) ap_release_mutex(alloc_mutex);
860+#if defined(EAPI) && defined(EAPI_MM)
861+ if (a->is_shm)
862+ (void)ap_mm_unlock(mm);
863+#endif
5fa7631d 864
7802c33e
JB
865 ap_unblock_alarms();
866
bff29bab 867@@ -843,6 +1042,11 @@
7802c33e
JB
868 size = cur_len << 1;
869 if (size < AP_PSPRINTF_MIN_SIZE)
870 size = AP_PSPRINTF_MIN_SIZE;
871+#if defined(EAPI) && defined(EAPI_MM)
872+ if (ps->block->h.is_shm)
873+ ptr = ap_mm_realloc(ps->base, size);
015adaf5 874+ else
875+#endif
7802c33e
JB
876 ptr = realloc(ps->base, size);
877 if (ptr == NULL) {
878 fputs("Ouch! Out of memory!\n", stderr);
bff29bab 879@@ -866,9 +1070,21 @@
7802c33e 880 size = AP_PSPRINTF_MIN_SIZE;
5fa7631d 881
7802c33e
JB
882 /* must try another blok */
883+#if defined(EAPI) && defined(EAPI_MM)
884+ if (blok->h.is_shm)
885+ (void)ap_mm_lock(mm, AP_MM_LOCK_RW);
886+#endif
887 (void) ap_acquire_mutex(alloc_mutex);
888+#if defined(EAPI) && defined(EAPI_MM)
889+ nblok = new_block(size, blok->h.is_shm);
890+#else
891 nblok = new_block(size);
892+#endif
893 (void) ap_release_mutex(alloc_mutex);
894+#if defined(EAPI) && defined(EAPI_MM)
895+ if (blok->h.is_shm)
896+ (void)ap_mm_unlock(mm);
897+#endif
898 memcpy(nblok->h.first_avail, blok->h.first_avail, cur_len);
899 ps->vbuff.curpos = nblok->h.first_avail + cur_len;
900 /* save a byte for the NUL terminator */
bff29bab 901@@ -877,10 +1093,18 @@
7802c33e
JB
902 /* did we allocate the current blok? if so free it up */
903 if (ps->got_a_new_block) {
904 debug_fill(blok->h.first_avail, blok->h.endp - blok->h.first_avail);
905+#if defined(EAPI) && defined(EAPI_MM)
906+ if (blok->h.is_shm)
907+ (void)ap_mm_lock(mm, AP_MM_LOCK_RW);
908+#endif
909 (void) ap_acquire_mutex(alloc_mutex);
910 blok->h.next = block_freelist;
911 block_freelist = blok;
912 (void) ap_release_mutex(alloc_mutex);
913+#if defined(EAPI) && defined(EAPI_MM)
914+ if (blok->h.is_shm)
915+ (void)ap_mm_unlock(mm);
015adaf5 916+#endif
015adaf5 917 }
7802c33e
JB
918 ps->blok = nblok;
919 ps->got_a_new_block = 1;
bff29bab 920@@ -899,6 +1123,11 @@
7802c33e
JB
921 void *ptr;
922
923 ap_block_alarms();
924+#if defined(EAPI) && defined(EAPI_MM)
925+ if (p->is_shm)
926+ ps.base = ap_mm_malloc(mm, 512);
927+ else
928+#endif
929 ps.base = malloc(512);
930 if (ps.base == NULL) {
931 fputs("Ouch! Out of memory!\n", stderr);
bff29bab 932@@ -911,6 +1140,11 @@
7802c33e
JB
933 *ps.vbuff.curpos++ = '\0';
934 ptr = ps.base;
935 /* shrink */
936+#if defined(EAPI) && defined(EAPI_MM)
937+ if (p->is_shm)
938+ ptr = ap_mm_realloc(ptr, (char *)ps.vbuff.curpos - (char *)ptr);
939+ else
940+#endif
941 ptr = realloc(ptr, (char *)ps.vbuff.curpos - (char *)ptr);
942 if (ptr == NULL) {
943 fputs("Ouch! Out of memory!\n", stderr);
5fa7631d 944
945+---------------------------------------------------------------------------
7802c33e
JB
946| Patch the low-level buffer routines to additionally allow
947| modules to intercept the I/O processing via hooks.
5fa7631d 948+---------------------------------------------------------------------------
7802c33e 949Index: src/main/buff.c
bff29bab 950--- src/main/buff.c 28 Jul 2006 13:55:34 -0000 1.1.1.17
951+++ src/main/buff.c 28 Jul 2006 13:56:29 -0000 1.25
952@@ -251,6 +251,9 @@
7802c33e
JB
953 }
954 else
955 #endif
5fa7631d 956+#ifdef EAPI
7802c33e 957+ if (!ap_hook_call("ap::buff::read", &rv, fb, buf, nbyte))
5fa7631d 958+#endif /* EAPI */
7802c33e
JB
959 rv = read(fb->fd_in, buf, nbyte);
960
961 return rv;
bff29bab 962@@ -262,6 +265,9 @@
5fa7631d 963
7802c33e
JB
964 #if defined (WIN32) || defined(NETWARE) || defined(CYGWIN_WINSOCK)
965 if (fb->flags & B_SOCKET) {
015adaf5 966+#ifdef EAPI
7802c33e 967+ if (!ap_hook_call("ap::buff::recvwithtimeout", &rv, fb, buf, nbyte))
015adaf5 968+#endif /* EAPI */
7802c33e
JB
969 rv = ap_recvwithtimeout(fb->fd_in, buf, nbyte, 0);
970 if (rv == SOCKET_ERROR)
971 errno = WSAGetLastError();
bff29bab 972@@ -312,6 +318,9 @@
7802c33e
JB
973 }
974 else
975 #endif
5fa7631d 976+#ifdef EAPI
7802c33e 977+ if (!ap_hook_call("ap::buff::write", &rv, fb, buf, nbyte))
5fa7631d 978+#endif /* EAPI */
7802c33e
JB
979 #if defined (B_SFIO)
980 rv = sfwrite(fb->sf_out, buf, nbyte);
981 #else
bff29bab 982@@ -342,6 +351,9 @@
7802c33e
JB
983
984 #if defined(WIN32) || defined(NETWARE)
985 if (fb->flags & B_SOCKET) {
5fa7631d 986+#ifdef EAPI
7802c33e 987+ if (!ap_hook_call("ap::buff::sendwithtimeout", &rv, fb, buf, nbyte))
5fa7631d 988+#endif /* EAPI */
7802c33e
JB
989 rv = ap_sendwithtimeout(fb->fd, buf, nbyte, 0);
990 if (rv == SOCKET_ERROR)
991 errno = WSAGetLastError();
bff29bab 992@@ -425,6 +437,10 @@
7802c33e
JB
993 fb->callback_data = NULL;
994 fb->filter_callback = NULL;
995
5fa7631d 996+#ifdef EAPI
7802c33e 997+ fb->ctx = ap_ctx_new(p);
5fa7631d 998+#endif /* EAPI */
7802c33e
JB
999+
1000 return fb;
1001 }
5fa7631d 1002
bff29bab 1003@@ -1077,6 +1093,9 @@
7802c33e
JB
1004 i = 0;
1005 while (i < nvec) {
1006 do
5fa7631d 1007+#ifdef EAPI
7802c33e 1008+ if (!ap_hook_call("ap::buff::writev", &rv, fb, &vec[i], nvec -i))
5fa7631d 1009+#endif /* EAPI */
7802c33e
JB
1010 rv = writev(fb->fd, &vec[i], nvec - i);
1011 while (rv == -1 && (errno == EINTR || errno == EAGAIN)
1012 && !(fb->flags & B_EOUT));
015adaf5 1013
1014+---------------------------------------------------------------------------
7802c33e
JB
1015| Add the implementation of the additional `add_module' and
1016| `rewrite_command' module hooks. Additionally the `ctx'
1017| variables are initialized.
015adaf5 1018+---------------------------------------------------------------------------
7802c33e 1019Index: src/main/http_config.c
bff29bab 1020--- src/main/http_config.c 28 Jul 2006 13:55:33 -0000 1.1.1.21
1021+++ src/main/http_config.c 28 Jul 2006 13:56:29 -0000 1.24
1022@@ -558,6 +558,20 @@
7802c33e 1023 m->name = tmp;
5fa7631d 1024 }
7802c33e
JB
1025 #endif /*_OSD_POSIX*/
1026+
5fa7631d 1027+#ifdef EAPI
7802c33e
JB
1028+ /*
1029+ * Invoke the `add_module' hook inside the now existing set
1030+ * of modules to let them all now that this module was added.
1031+ */
1032+ {
1033+ module *m2;
1034+ for (m2 = top_module; m2 != NULL; m2 = m2->next)
1035+ if (m2->magic == MODULE_MAGIC_COOKIE_EAPI)
1036+ if (m2->add_module != NULL)
1037+ (*m2->add_module)(m);
1038+ }
1039+#endif /* EAPI */
1040 }
5fa7631d 1041
7802c33e 1042 /*
bff29bab 1043@@ -572,6 +586,21 @@
7802c33e
JB
1044 {
1045 module *modp;
5fa7631d 1046
5fa7631d 1047+#ifdef EAPI
7802c33e
JB
1048+ /*
1049+ * Invoke the `remove_module' hook inside the now existing
1050+ * set of modules to let them all now that this module is
1051+ * beeing removed.
1052+ */
015adaf5 1053+ {
7802c33e
JB
1054+ module *m2;
1055+ for (m2 = top_module; m2 != NULL; m2 = m2->next)
1056+ if (m2->magic == MODULE_MAGIC_COOKIE_EAPI)
1057+ if (m2->remove_module != NULL)
1058+ (*m2->remove_module)(m);
015adaf5 1059+ }
5fa7631d 1060+#endif /* EAPI */
b7715870 1061+
7802c33e
JB
1062 modp = top_module;
1063 if (modp == m) {
1064 /* We are the top module, special case */
bff29bab 1065@@ -965,6 +994,27 @@
7802c33e
JB
1066 const command_rec *cmd;
1067 module *mod = top_module;
1068
5fa7631d 1069+#ifdef EAPI
7802c33e
JB
1070+ /*
1071+ * Invoke the `rewrite_command' of modules to allow
1072+ * they to rewrite the directive line before we
1073+ * process it.
1074+ */
015adaf5 1075+ {
7802c33e
JB
1076+ module *m;
1077+ char *cp;
1078+ for (m = top_module; m != NULL; m = m->next) {
1079+ if (m->magic == MODULE_MAGIC_COOKIE_EAPI) {
1080+ if (m->rewrite_command != NULL) {
1081+ cp = (m->rewrite_command)(parms, config, l);
1082+ if (cp != NULL)
1083+ l = cp;
1084+ }
1085+ }
015adaf5 1086+ }
1087+ }
015adaf5 1088+#endif /* EAPI */
015adaf5 1089+
7802c33e
JB
1090 if ((l[0] == '#') || (!l[0]))
1091 return NULL;
5fa7631d 1092
bff29bab 1093@@ -1429,6 +1479,10 @@
7802c33e
JB
1094 s->limit_req_fieldsize = main_server->limit_req_fieldsize;
1095 s->limit_req_fields = main_server->limit_req_fields;
5fa7631d 1096
5fa7631d 1097+#ifdef EAPI
7802c33e 1098+ s->ctx = ap_ctx_new(p);
5fa7631d 1099+#endif /* EAPI */
7802c33e
JB
1100+
1101 *ps = s;
5fa7631d 1102
7802c33e 1103 return ap_parse_vhost_addrs(p, hostname, s);
bff29bab 1104@@ -1540,6 +1594,10 @@
7802c33e
JB
1105 s->module_config = create_server_config(p, s);
1106 s->lookup_defaults = create_default_per_dir_config(p);
d5724db6 1107
5fa7631d 1108+#ifdef EAPI
7802c33e 1109+ s->ctx = ap_ctx_new(p);
5fa7631d 1110+#endif /* EAPI */
d5724db6 1111+
7802c33e
JB
1112 return s;
1113 }
d5724db6 1114
7802c33e
JB
1115
1116+---------------------------------------------------------------------------
1117| Add the ap_global_ctx variable and the new
1118| ap_add_config_define() function. Additionally the
1119| implementation of the additional `new_connection' module hook
1120| is added plus the initialization of one more `ctx' variable.
1121+---------------------------------------------------------------------------
1122Index: src/main/http_main.c
fce257bb
JB
1123--- src/main/http_main.c 10 Sep 2007 20:30:35 -0000 1.1.1.27
1124+++ src/main/http_main.c 10 Sep 2007 20:33:10 -0000 1.50
bff29bab 1125@@ -243,6 +243,9 @@
7802c33e
JB
1126
1127 int ap_dump_settings = 0;
1128 API_VAR_EXPORT int ap_extended_status = 0;
5fa7631d 1129+#ifdef EAPI
7802c33e 1130+API_VAR_EXPORT ap_ctx *ap_global_ctx;
5fa7631d 1131+#endif /* EAPI */
1132
7802c33e
JB
1133 /*
1134 * The max child slot ever assigned, preserved across restarts. Necessary
fce257bb 1135@@ -471,6 +474,30 @@
7802c33e
JB
1136 }
1137 }
5fa7631d 1138
1139+#ifdef EAPI
7802c33e
JB
1140+API_EXPORT(void) ap_add_config_define(const char *define)
1141+{
1142+ char **var;
1143+ var = (char **)ap_push_array(ap_server_config_defines);
1144+ *var = ap_pstrdup(pcommands, define);
1145+ return;
1146+}
1147+
1148+/*
1149+ * Invoke the `close_connection' hook of modules to let them do
1150+ * some connection dependent actions before we close it.
1151+ */
1152+static void ap_call_close_connection_hook(conn_rec *c)
1153+{
1154+ module *m;
1155+ for (m = top_module; m != NULL; m = m->next)
1156+ if (m->magic == MODULE_MAGIC_COOKIE_EAPI)
1157+ if (m->close_connection != NULL)
1158+ (*m->close_connection)(c);
1159+ return;
1160+}
5fa7631d 1161+#endif /* EAPI */
7802c33e
JB
1162+
1163 #ifndef NETWARE
1164 static APACHE_TLS int volatile exit_after_unblock = 0;
1165 #endif
fce257bb 1166@@ -1586,6 +1613,9 @@
7802c33e 1167 }
5fa7631d 1168
0cab7c1b 1169 ap_bsetflag(save_req->connection->client, B_EOUT, 1);
7802c33e
JB
1170+#ifdef EAPI
1171+ ap_call_close_connection_hook(save_req->connection);
1172+#endif /* EAPI */
7802c33e
JB
1173 ap_bclose(save_req->connection->client);
1174
0cab7c1b 1175 if (!ap_standalone)
fce257bb 1176@@ -1594,6 +1624,9 @@
7802c33e
JB
1177 }
1178 else { /* abort the connection */
0cab7c1b 1179 ap_bsetflag(current_conn->client, B_EOUT, 1);
5fa7631d 1180+#ifdef EAPI
7802c33e 1181+ ap_call_close_connection_hook(current_conn);
5fa7631d 1182+#endif /* EAPI */
7802c33e
JB
1183 ap_bclose(current_conn->client);
1184 current_conn->aborted = 1;
0cab7c1b 1185 }
fce257bb 1186@@ -1915,10 +1948,16 @@
7802c33e 1187 /* Send any leftover data to the client, but never try to again */
015adaf5 1188
7802c33e 1189 if (ap_bflush(r->connection->client) == -1) {
5fa7631d 1190+#ifdef EAPI
7802c33e
JB
1191+ ap_call_close_connection_hook(r->connection);
1192+#endif /* EAPI */
1193 ap_kill_timeout(r);
1194 ap_bclose(r->connection->client);
1195 return;
1196 }
1197+#ifdef EAPI
1198+ ap_call_close_connection_hook(r->connection);
1199+#endif /* EAPI */
1200 ap_bsetflag(r->connection->client, B_EOUT, 1);
5fa7631d 1201
7802c33e 1202 /* Close our half of the connection --- send the client a FIN */
fce257bb 1203@@ -2617,6 +2656,9 @@
7802c33e
JB
1204 /* Clear the pool - including any registered cleanups */
1205 ap_destroy_pool(pglobal);
015adaf5 1206 #endif
7802c33e
JB
1207+#ifdef EAPI
1208+ ap_kill_alloc_shared();
5fa7631d 1209+#endif
7802c33e
JB
1210 exit(code);
1211 }
1212
fce257bb 1213@@ -3711,6 +3753,24 @@
7802c33e
JB
1214 conn->remote_addr = *remaddr;
1215 conn->remote_ip = ap_pstrdup(conn->pool,
1216 inet_ntoa(conn->remote_addr.sin_addr));
1217+#ifdef EAPI
1218+ conn->ctx = ap_ctx_new(conn->pool);
1219+#endif /* EAPI */
015adaf5 1220+
7802c33e
JB
1221+#ifdef EAPI
1222+ /*
1223+ * Invoke the `new_connection' hook of modules to let them do
1224+ * some connection dependent actions before we go on with
1225+ * processing the request on this connection.
1226+ */
1227+ {
1228+ module *m;
1229+ for (m = top_module; m != NULL; m = m->next)
1230+ if (m->magic == MODULE_MAGIC_COOKIE_EAPI)
1231+ if (m->new_connection != NULL)
1232+ (*m->new_connection)(conn);
1233+ }
1234+#endif /* EAPI */
5fa7631d 1235
7802c33e
JB
1236 return conn;
1237 }
fce257bb 1238@@ -4221,6 +4281,15 @@
7802c33e
JB
1239 printf("Server's Module Magic Number: %u:%u\n",
1240 MODULE_MAGIC_NUMBER_MAJOR, MODULE_MAGIC_NUMBER_MINOR);
1241 printf("Server compiled with....\n");
1242+#ifdef EAPI
1243+ printf(" -D EAPI\n");
015adaf5 1244+#endif
7802c33e
JB
1245+#ifdef EAPI_MM
1246+ printf(" -D EAPI_MM\n");
1247+#ifdef EAPI_MM_CORE_PATH
1248+ printf(" -D EAPI_MM_CORE_PATH=\"" EAPI_MM_CORE_PATH "\"\n");
015adaf5 1249+#endif
5fa7631d 1250+#endif
7802c33e
JB
1251 #ifdef TPF
1252 show_os_specific_compile_settings();
015adaf5 1253 #endif
fce257bb 1254@@ -4396,6 +4465,22 @@
7802c33e
JB
1255 ap_server_post_read_config = ap_make_array(pcommands, 1, sizeof(char *));
1256 ap_server_config_defines = ap_make_array(pcommands, 1, sizeof(char *));
edacc908 1257 pid_table = ap_make_table(pglobal, HARD_SERVER_LIMIT);
7802c33e
JB
1258+
1259+#ifdef EAPI
1260+ ap_hook_init();
1261+ ap_hook_configure("ap::buff::read",
1262+ AP_HOOK_SIG4(int,ptr,ptr,int), AP_HOOK_TOPMOST);
1263+ ap_hook_configure("ap::buff::write",
1264+ AP_HOOK_SIG4(int,ptr,ptr,int), AP_HOOK_TOPMOST);
1265+ ap_hook_configure("ap::buff::writev",
1266+ AP_HOOK_SIG4(int,ptr,ptr,int), AP_HOOK_TOPMOST);
1267+ ap_hook_configure("ap::buff::sendwithtimeout",
1268+ AP_HOOK_SIG4(int,ptr,ptr,int), AP_HOOK_TOPMOST);
1269+ ap_hook_configure("ap::buff::recvwithtimeout",
1270+ AP_HOOK_SIG4(int,ptr,ptr,int), AP_HOOK_TOPMOST);
1271+
1272+ ap_global_ctx = ap_ctx_new(NULL);
1273+#endif /* EAPI */
015adaf5 1274 }
5fa7631d 1275
7802c33e 1276 #ifndef MULTITHREAD
fce257bb 1277@@ -4892,6 +4977,9 @@
5fa7631d 1278
7802c33e
JB
1279 ap_sync_scoreboard_image();
1280 if (ap_scoreboard_image->global.running_generation != ap_my_generation) {
1281+#ifdef EAPI
1282+ ap_call_close_connection_hook(current_conn);
1283+#endif /* EAPI */
1284 ap_bclose(conn_io);
1285 clean_child_exit(0);
1286 }
fce257bb 1287@@ -4920,6 +5008,9 @@
7802c33e
JB
1288 */
1289
1290 #ifdef NO_LINGCLOSE
1291+#ifdef EAPI
1292+ ap_call_close_connection_hook(current_conn);
1293+#endif /* EAPI */
1294 ap_bclose(conn_io); /* just close it */
1295 #else
1296 if (r && r->connection
fce257bb 1297@@ -4930,6 +5021,9 @@
7802c33e
JB
1298 lingering_close(r);
1299 }
1300 else {
1301+#ifdef EAPI
1302+ ap_call_close_connection_hook(current_conn);
1303+#endif /* EAPI */
1304 ap_bsetflag(conn_io, B_EOUT, 1);
1305 ap_bclose(conn_io);
1306 }
fce257bb 1307@@ -5730,16 +5824,31 @@
7802c33e
JB
1308 usage(argv[0]);
1309 }
1310 }
1311+#ifdef EAPI
1312+ ap_init_alloc_shared(TRUE);
015adaf5 1313+#endif
5fa7631d 1314
7802c33e
JB
1315 ap_suexec_enabled = init_suexec();
1316 server_conf = ap_read_config(pconf, ptrans, ap_server_confname);
1317
1318+#ifdef EAPI
1319+ ap_init_alloc_shared(FALSE);
1320+#endif
1321+
1322 if (ap_configtestonly) {
1323 fprintf(stderr, "Syntax OK\n");
1324+#ifdef EAPI
1325+ clean_parent_exit(0);
015adaf5 1326+#else
7802c33e 1327 exit(0);
015adaf5 1328+#endif
7802c33e
JB
1329 }
1330 if (ap_dump_settings) {
1331+#ifdef EAPI
1332+ clean_parent_exit(0);
015adaf5 1333+#else
7802c33e 1334 exit(0);
015adaf5 1335+#endif
7802c33e 1336 }
015adaf5 1337
7802c33e 1338 child_timeouts = !ap_standalone || one_process;
fce257bb 1339@@ -5887,6 +5996,10 @@
7802c33e
JB
1340 ap_destroy_pool(r->pool);
1341 }
015adaf5 1342
7802c33e
JB
1343+#ifdef EAPI
1344+ ap_call_close_connection_hook(conn);
1345+#endif /* EAPI */
1346+
1347 ap_bclose(cio);
1348 }
1349 exit(0);
fce257bb 1350@@ -6263,6 +6376,9 @@
7802c33e 1351 ap_kill_cleanups_for_socket(ptrans, csd);
015adaf5 1352
7802c33e
JB
1353 #ifdef NO_LINGCLOSE
1354+#ifdef EAPI
1355+ ap_call_close_connection_hook(current_conn);
1356+#endif /* EAPI */
1357 ap_bclose(conn_io); /* just close it */
1358 #else
1359 if (r && r->connection
fce257bb 1360@@ -6273,6 +6389,9 @@
7802c33e
JB
1361 lingering_close(r);
1362 }
1363 else {
1364+#ifdef EAPI
1365+ ap_call_close_connection_hook(current_conn);
1366+#endif /* EAPI */
1367 ap_bsetflag(conn_io, B_EOUT, 1);
1368 ap_bclose(conn_io);
1369 }
fce257bb 1370@@ -7848,6 +7967,10 @@
7802c33e
JB
1371 if (!conf_specified)
1372 ap_cpystrn(ap_server_confname, SERVER_CONFIG_FILE, sizeof(ap_server_confname));
015adaf5 1373
7802c33e
JB
1374+#ifdef EAPI
1375+ ap_init_alloc_shared(TRUE);
015adaf5 1376+#endif
7802c33e
JB
1377+
1378 if (!ap_os_is_path_absolute(ap_server_confname))
1379 ap_cpystrn(ap_server_confname,
1380 ap_server_root_relative(pcommands, ap_server_confname),
fce257bb 1381@@ -7888,6 +8011,9 @@
7802c33e
JB
1382 #else /* ndef WIN32 */
1383 server_conf = ap_read_config(pconf, ptrans, ap_server_confname);
d5724db6 1384 #endif
7802c33e
JB
1385+#ifdef EAPI
1386+ ap_init_alloc_shared(FALSE);
d5724db6 1387+#endif
7802c33e
JB
1388
1389 if (ap_configtestonly) {
d5724db6 1390 fprintf(stderr, "%s: Syntax OK\n", ap_server_root_relative(pcommands, ap_server_confname));
7802c33e
JB
1391
1392+---------------------------------------------------------------------------
1393| Just add the initialization of the `ctx' variable for
1394| conn_rec structures.
1395+---------------------------------------------------------------------------
1396Index: src/main/http_request.c
bff29bab 1397--- src/main/http_request.c 28 Jul 2006 13:55:34 -0000 1.1.1.20
1398+++ src/main/http_request.c 28 Jul 2006 13:56:29 -0000 1.20
1399@@ -1373,6 +1373,10 @@
7802c33e
JB
1400
1401 new->method = r->method;
1402 new->method_number = r->method_number;
1403+#ifdef EAPI
1404+ /* initialize context _BEFORE_ ap_parse_uri() call */
1405+ new->ctx = r->ctx;
1406+#endif /* EAPI */
1407 ap_parse_uri(new, new_uri);
1408 new->request_config = ap_create_request_config(r->pool);
1409 new->per_dir_config = r->server->lookup_defaults;
1410
1411+---------------------------------------------------------------------------
1412| Just add the initialization of the `ctx' variable for
1413| request_rec structures.
1414+---------------------------------------------------------------------------
1415Index: src/main/http_protocol.c
bff29bab 1416--- src/main/http_protocol.c 28 Jul 2006 13:55:34 -0000 1.1.1.24
1417+++ src/main/http_protocol.c 28 Jul 2006 13:56:29 -0000 1.24
1418@@ -1173,6 +1173,10 @@
7802c33e
JB
1419 r->status = HTTP_REQUEST_TIME_OUT; /* Until we get a request */
1420 r->the_request = NULL;
1421
1422+#ifdef EAPI
1423+ r->ctx = ap_ctx_new(r->pool);
1424+#endif /* EAPI */
015adaf5 1425+
7802c33e
JB
1426 #ifdef CHARSET_EBCDIC
1427 ap_bsetflag(r->connection->client, B_ASCII2EBCDIC, r->ebcdic.conv_in = 1);
1428 ap_bsetflag(r->connection->client, B_EBCDIC2ASCII, r->ebcdic.conv_out = 1);
bff29bab 1429@@ -1341,6 +1345,11 @@
7802c33e 1430 rnew->read_body = REQUEST_NO_BODY;
015adaf5 1431
7802c33e
JB
1432 rnew->main = (request_rec *) r;
1433+
1434+#ifdef EAPI
1435+ rnew->ctx = r->ctx;
1436+#endif /* EAPI */
1437+
5fa7631d 1438 }
5fa7631d 1439
7802c33e
JB
1440 API_EXPORT(void) ap_finalize_sub_req_protocol(request_rec *sub)
1441
1442+---------------------------------------------------------------------------
1443| Add support for loading both EAPI and AP13 modules.
1444+---------------------------------------------------------------------------
1445Index: src/modules/standard/mod_so.c
bff29bab 1446--- src/modules/standard/mod_so.c 28 Jul 2006 13:55:28 -0000 1.1.1.13
1447+++ src/modules/standard/mod_so.c 28 Jul 2006 13:56:29 -0000 1.14
1448@@ -267,11 +267,24 @@
7802c33e
JB
1449 * Make sure the found module structure is really a module structure
1450 *
1451 */
1452+#ifdef EAPI
1453+ if ( modp->magic != MODULE_MAGIC_COOKIE_AP13
1454+ && modp->magic != MODULE_MAGIC_COOKIE_EAPI) {
015adaf5 1455+#else
7802c33e 1456 if (modp->magic != MODULE_MAGIC_COOKIE) {
015adaf5 1457+#endif
7802c33e
JB
1458 return ap_pstrcat(cmd->pool, "API module structure `", modname,
1459 "' in file ", szModuleFile, " is garbled -"
1460 " perhaps this is not an Apache module DSO?", NULL);
1461 }
1462+#ifdef EAPI
1463+ if (modp->magic == MODULE_MAGIC_COOKIE_AP13) {
1464+ ap_log_error(APLOG_MARK, APLOG_WARNING|APLOG_NOERRNO, NULL,
1465+ "Loaded DSO %s uses plain Apache 1.3 API, "
1466+ "this module might crash under EAPI! "
1467+ "(please recompile it with -DEAPI)", filename);
1468+ }
015adaf5 1469+#endif
015adaf5 1470
7802c33e
JB
1471 /*
1472 * Add this module to the Apache core structures
1473
1474+---------------------------------------------------------------------------
1475| Add additional logging functions to the CustomLog directive
1476| which can be used by other modules to create additional
1477| logfile tags. Actually we add two types of hooks: One hook
1478| for intercepting the new and generic %x (eXtension) tag and
1479| one hook for creating new %x tags at all.
1480+---------------------------------------------------------------------------
1481Index: src/modules/standard/mod_log_config.c
bff29bab 1482--- src/modules/standard/mod_log_config.c 28 Jul 2006 13:55:27 -0000 1.1.1.16
1483+++ src/modules/standard/mod_log_config.c 28 Jul 2006 13:56:29 -0000 1.29
1484@@ -221,6 +221,9 @@
7802c33e
JB
1485 typedef const char *(*item_key_func) (request_rec *, char *);
1486
1487 typedef struct {
1488+#ifdef EAPI
1489+ char ch;
015adaf5 1490+#endif
7802c33e
JB
1491 item_key_func func;
1492 char *arg;
1493 int condition_sense;
bff29bab 1494@@ -542,15 +545,36 @@
7802c33e
JB
1495 }
1496 };
1497
1498+#ifdef EAPI
1499+static struct log_item_list *find_log_func(pool *p, char k)
1500+#else /* EAPI */
1501 static struct log_item_list *find_log_func(char k)
1502+#endif /* EAPI */
015adaf5 1503 {
7802c33e
JB
1504 int i;
1505+#ifdef EAPI
1506+ struct log_item_list *lil;
1507+#endif /* EAPI */
1508
1509 for (i = 0; log_item_keys[i].ch; ++i)
1510 if (k == log_item_keys[i].ch) {
1511 return &log_item_keys[i];
1512 }
1513
1514+#ifdef EAPI
1515+ if (ap_hook_status(ap_psprintf(p, "ap::mod_log_config::log_%c", k))
1516+ != AP_HOOK_STATE_NOTEXISTANT) {
1517+ lil = (struct log_item_list *)
1518+ ap_pcalloc(p, sizeof(struct log_item_list));
1519+ if (lil == NULL)
1520+ return NULL;
1521+ lil->ch = k;
1522+ lil->func = NULL;
1523+ lil->want_orig_default = 0;
1524+ return lil;
1525+ }
1526+#endif /* EAPI */
1527+
1528 return NULL;
015adaf5 1529 }
1530
bff29bab 1531@@ -676,7 +700,11 @@
7802c33e
JB
1532 break;
1533
1534 default:
1535+#ifdef EAPI
1536+ l = find_log_func(p, *s++);
1537+#else /* EAPI */
1538 l = find_log_func(*s++);
5fa7631d 1539+#endif /* EAPI */
7802c33e
JB
1540 if (!l) {
1541 char dummy[2];
5fa7631d 1542
bff29bab 1543@@ -685,6 +713,9 @@
7802c33e
JB
1544 return ap_pstrcat(p, "Unrecognized LogFormat directive %",
1545 dummy, NULL);
1546 }
1547+#ifdef EAPI
1548+ it->ch = s[-1];
015adaf5 1549+#endif
7802c33e
JB
1550 it->func = l->func;
1551 if (it->want_orig == -1) {
1552 it->want_orig = l->want_orig_default;
bff29bab 1553@@ -746,6 +777,15 @@
5fa7631d 1554
7802c33e
JB
1555 /* We do. Do it... */
1556
1557+#ifdef EAPI
1558+ if (item->func == NULL) {
1559+ cp = NULL;
1560+ ap_hook_use(ap_psprintf(r->pool, "ap::mod_log_config::log_%c", item->ch),
1561+ AP_HOOK_SIG3(ptr,ptr,ptr), AP_HOOK_DECLINE(NULL),
1562+ &cp, r, item->arg);
1563+ }
1564+ else
5fa7631d 1565+#endif
7802c33e
JB
1566 cp = (*item->func) (item->want_orig ? orig : r, item->arg);
1567 return cp ? cp : "-";
1568 }
1569
1570+---------------------------------------------------------------------------
1571| Allow RewriteCond and RewriteRule directives to lookup
1572| variables from other modules.
1573+---------------------------------------------------------------------------
1574Index: src/modules/standard/mod_rewrite.c
bff29bab 1575--- src/modules/standard/mod_rewrite.c 28 Jul 2006 13:55:29 -0000 1.1.1.22
1576+++ src/modules/standard/mod_rewrite.c 28 Jul 2006 13:56:29 -0000 1.20
1577@@ -3864,6 +3864,15 @@
015adaf5 1578 }
7802c33e
JB
1579 #endif /* ndef WIN32 && NETWARE*/
1580
1581+#ifdef EAPI
1582+ else {
1583+ ap_hook_use("ap::mod_rewrite::lookup_variable",
1584+ AP_HOOK_SIG3(ptr,ptr,ptr),
1585+ AP_HOOK_DECLINE(NULL),
1586+ &result, r, var);
1587+ }
5fa7631d 1588+#endif
7802c33e
JB
1589+
1590 if (result == NULL) {
1591 return ap_pstrdup(r->pool, "");
1592 }
1593
fce257bb
JB
1594+---------------------------------------------------------------------------
1595| Add an EAPI hook to allow other modules to add content to
1596| the status HTML page.
1597+---------------------------------------------------------------------------
1598Index: src/modules/standard/mod_status.c
1599--- src/modules/standard/mod_status.c 10 Sep 2007 20:30:37 -0000 1.1.1.18
1600+++ src/modules/standard/mod_status.c 12 Sep 2007 05:32:20 -0000
1601@@ -698,6 +735,12 @@
1602 #endif
1603 }
1604
1605+#ifdef EAPI
1606+ ap_hook_use("ap::mod_status::display",
1607+ AP_HOOK_SIG4(void,ptr,int,int), AP_HOOK_ALL,
1608+ r, no_table_report, short_report);
1609+#endif
1610+
1611 } else {
1612
1613 if (!short_report) {
1614
7802c33e
JB
1615+---------------------------------------------------------------------------
1616| Add hooks to the scheme processing to allow other modules to
1617| recognize more schemes by intercepting this processing.
1618+---------------------------------------------------------------------------
1619Index: src/modules/proxy/mod_proxy.c
bff29bab 1620--- src/modules/proxy/mod_proxy.c 28 Jul 2006 13:55:25 -0000 1.1.1.16
1621+++ src/modules/proxy/mod_proxy.c 28 Jul 2006 13:56:29 -0000 1.23
1622@@ -177,6 +177,9 @@
7802c33e
JB
1623 static int proxy_fixup(request_rec *r)
1624 {
1625 char *url, *p;
1626+#ifdef EAPI
1627+ int rc;
1628+#endif /* EAPI */
5fa7631d 1629
7802c33e
JB
1630 if (r->proxyreq == NOT_PROXY || strncmp(r->filename, "proxy:", 6) != 0)
1631 return DECLINED;
bff29bab 1632@@ -184,6 +187,14 @@
7802c33e
JB
1633 url = &r->filename[6];
1634
1635 /* canonicalise each specific scheme */
1636+#ifdef EAPI
1637+ if (ap_hook_use("ap::mod_proxy::canon",
1638+ AP_HOOK_SIG3(int,ptr,ptr),
1639+ AP_HOOK_DECLINE(DECLINED),
1640+ &rc, r, url) && rc != DECLINED)
1641+ return rc;
1642+ else
1643+#endif /* EAPI */
1644 if (strncasecmp(url, "http:", 5) == 0)
1645 return ap_proxy_http_canon(r, url + 5, "http", DEFAULT_HTTP_PORT);
1646 else if (strncasecmp(url, "ftp:", 4) == 0)
bff29bab 1647@@ -199,9 +210,44 @@
7802c33e
JB
1648 static void proxy_init(server_rec *r, pool *p)
1649 {
1650 ap_proxy_garbage_init(r, p);
1651+#ifdef EAPI
1652+ ap_hook_use("ap::mod_proxy::init",
1653+ AP_HOOK_SIG3(void,ptr,ptr), AP_HOOK_ALL, r, p);
1654+#endif
015adaf5 1655 }
1656
7802c33e
JB
1657-
1658+#ifdef EAPI
1659+static void proxy_addmod(module *m)
015adaf5 1660+{
7802c33e
JB
1661+ /* export: ap_proxy_http_canon() as `ap::mod_proxy::http::canon' */
1662+ ap_hook_configure("ap::mod_proxy::http::canon",
1663+ AP_HOOK_SIG5(int,ptr,ptr,ptr,int), AP_HOOK_TOPMOST);
1664+ ap_hook_register("ap::mod_proxy::http::canon",
1665+ ap_proxy_http_canon, AP_HOOK_NOCTX);
1666+
1667+ /* export: ap_proxy_http_handler() as `ap::mod_proxy::http::handler' */
1668+ ap_hook_configure("ap::mod_proxy::http::handler",
1669+ AP_HOOK_SIG6(int,ptr,ptr,ptr,ptr,int), AP_HOOK_TOPMOST);
1670+ ap_hook_register("ap::mod_proxy::http::handler",
1671+ ap_proxy_http_handler, AP_HOOK_NOCTX);
1672+
1673+ /* export: ap_proxyerror() as `ap::mod_proxy::error' */
1674+ ap_hook_configure("ap::mod_proxy::error",
1675+ AP_HOOK_SIG3(int,ptr,ptr), AP_HOOK_TOPMOST);
1676+ ap_hook_register("ap::mod_proxy::error",
1677+ ap_proxyerror, AP_HOOK_NOCTX);
1678+ return;
015adaf5 1679+}
1680+
7802c33e 1681+static void proxy_remmod(module *m)
015adaf5 1682+{
7802c33e
JB
1683+ /* remove the hook references */
1684+ ap_hook_unregister("ap::mod_proxy::http::canon", ap_proxy_http_canon);
1685+ ap_hook_unregister("ap::mod_proxy::http::handler", ap_proxy_http_handler);
1686+ ap_hook_unregister("ap::mod_proxy::error", ap_proxyerror);
1687+ return;
015adaf5 1688+}
5fa7631d 1689+#endif /* EAPI */
5fa7631d 1690
7802c33e
JB
1691 /* Send a redirection if the request contains a hostname which is not */
1692 /* fully qualified, i.e. doesn't have a domain name appended. Some proxy */
bff29bab 1693@@ -365,6 +411,14 @@
7802c33e
JB
1694 * CONNECT is a special method that bypasses the normal proxy
1695 * code.
1696 */
1697+#ifdef EAPI
1698+ if (!ap_hook_use("ap::mod_proxy::handler",
1699+ AP_HOOK_SIG7(int,ptr,ptr,ptr,ptr,int,ptr),
1700+ AP_HOOK_DECLINE(DECLINED),
1701+ &rc, r, cr, url,
1702+ ents[i].hostname, ents[i].port,
1703+ ents[i].protocol) || rc == DECLINED) {
1704+#endif /* EAPI */
1705 if (r->method_number == M_CONNECT)
1706 rc = ap_proxy_connect_handler(r, cr, url, ents[i].hostname,
1707 ents[i].port);
bff29bab 1708@@ -374,6 +428,9 @@
7802c33e
JB
1709 ents[i].port);
1710 else
1711 rc = DECLINED;
1712+#ifdef EAPI
1713+ }
1714+#endif /* EAPI */
5fa7631d 1715
7802c33e
JB
1716 /* an error or success */
1717 if (rc != DECLINED && rc != HTTP_BAD_GATEWAY)
bff29bab 1718@@ -388,6 +445,14 @@
7802c33e 1719 */
5fa7631d 1720
7802c33e
JB
1721 /* handle the scheme */
1722+#ifdef EAPI
1723+ if (ap_hook_use("ap::mod_proxy::handler",
1724+ AP_HOOK_SIG7(int,ptr,ptr,ptr,ptr,int,ptr),
1725+ AP_HOOK_DECLINE(DECLINED),
1726+ &rc, r, cr, url,
1727+ NULL, 0, scheme) && rc != DECLINED)
1728+ return rc;
1729+#endif /* EAPI */
1730 if (r->method_number == M_CONNECT) {
1731 return ap_proxy_connect_handler(r, cr, url, NULL, 0);
1732 }
bff29bab 1733@@ -985,4 +1050,10 @@
7802c33e
JB
1734 NULL, /* child_init */
1735 NULL, /* child_exit */
1736 proxy_detect /* post read-request */
1737+#ifdef EAPI
1738+ ,proxy_addmod, /* EAPI: add_module */
1739+ proxy_remmod, /* EAPI: remove_module */
1740+ NULL, /* EAPI: rewrite_command */
1741+ NULL /* EAPI: new_connection */
015adaf5 1742+#endif
7802c33e
JB
1743 };
1744
1745+---------------------------------------------------------------------------
1746| Add hooks to the HTTP processing to allow other modules
1747| to enhance it by intercepting this processing.
1748+---------------------------------------------------------------------------
1749Index: src/modules/proxy/proxy_http.c
bff29bab 1750--- src/modules/proxy/proxy_http.c 28 Jul 2006 13:55:25 -0000 1.1.1.20
1751+++ src/modules/proxy/proxy_http.c 28 Jul 2006 13:56:29 -0000 1.28
1752@@ -128,6 +128,9 @@
7802c33e
JB
1753 const char *datestr, *urlstr;
1754 int result, major, minor;
1755 const char *content_length;
1756+#ifdef EAPI
1757+ char *peer;
015adaf5 1758+#endif
7802c33e
JB
1759
1760 void *sconf = r->server->module_config;
1761 proxy_server_conf *conf =
bff29bab 1762@@ -149,6 +152,12 @@
7802c33e
JB
1763 return HTTP_BAD_REQUEST;
1764 urlptr += 3;
1765 destport = DEFAULT_HTTP_PORT;
1766+#ifdef EAPI
1767+ ap_hook_use("ap::mod_proxy::http::handler::set_destport",
1768+ AP_HOOK_SIG2(int,ptr),
1769+ AP_HOOK_TOPMOST,
1770+ &destport, r);
1771+#endif /* EAPI */
1772 strp = strchr(urlptr, '/');
1773 if (strp == NULL) {
1774 desthost = ap_pstrdup(p, urlptr);
bff29bab 1775@@ -186,12 +195,18 @@
7802c33e
JB
1776 err = ap_proxy_host2addr(proxyhost, &server_hp);
1777 if (err != NULL)
1778 return DECLINED; /* try another */
1779+#ifdef EAPI
1780+ peer = ap_psprintf(p, "%s:%u", proxyhost, proxyport);
015adaf5 1781+#endif
7802c33e
JB
1782 }
1783 else {
1784 server.sin_port = htons((unsigned short)destport);
1785 err = ap_proxy_host2addr(desthost, &server_hp);
1786 if (err != NULL)
1787 return ap_proxyerror(r, HTTP_INTERNAL_SERVER_ERROR, err);
1788+#ifdef EAPI
1789+ peer = ap_psprintf(p, "%s:%u", desthost, destport);
015adaf5 1790+#endif
1791 }
015adaf5 1792
7802c33e 1793
bff29bab 1794@@ -276,14 +291,42 @@
7802c33e
JB
1795 f = ap_bcreate(p, B_RDWR | B_SOCKET);
1796 ap_bpushfd(f, sock, sock);
1797
5fa7631d 1798+#ifdef EAPI
7802c33e
JB
1799+ {
1800+ char *errmsg = NULL;
1801+ ap_hook_use("ap::mod_proxy::http::handler::new_connection",
1802+ AP_HOOK_SIG4(ptr,ptr,ptr,ptr),
1803+ AP_HOOK_DECLINE(NULL),
1804+ &errmsg, r, f, peer);
1805+ if (errmsg != NULL)
1806+ return ap_proxyerror(r, HTTP_BAD_GATEWAY, errmsg);
1807+ }
1808+#endif /* EAPI */
1809+
1810 ap_hard_timeout("proxy send", r);
1811 ap_bvputs(f, r->method, " ", proxyhost ? url : urlptr, " HTTP/1.1" CRLF,
1812 NULL);
1813+#ifdef EAPI
1814+ {
1815+ int rc = DECLINED;
1816+ ap_hook_use("ap::mod_proxy::http::handler::write_host_header",
1817+ AP_HOOK_SIG6(int,ptr,ptr,ptr,int,ptr),
1818+ AP_HOOK_DECLINE(DECLINED),
1819+ &rc, r, f, desthost, destport, destportstr);
1820+ if (rc == DECLINED) {
1821+ if (destportstr != NULL && destport != DEFAULT_HTTP_PORT)
1822+ ap_bvputs(f, "Host: ", desthost, ":", destportstr, CRLF, NULL);
1823+ else
1824+ ap_bvputs(f, "Host: ", desthost, CRLF, NULL);
1825+ }
1826+ }
1827+#else /* EAPI */
1828 /* Send Host: now, adding it to req_hdrs wouldn't be much better */
1829 if (destportstr != NULL && destport != DEFAULT_HTTP_PORT)
1830 ap_bvputs(f, "Host: ", desthost, ":", destportstr, CRLF, NULL);
1831 else
1832 ap_bvputs(f, "Host: ", desthost, CRLF, NULL);
1833+#endif /* EAPI */
1834
1835 if (conf->viaopt == via_block) {
1836 /* Block all outgoing Via: headers */
1837
1838+---------------------------------------------------------------------------
1839| Add EAPI hooks in module structure for APXS generated samples.
1840+---------------------------------------------------------------------------
1841Index: src/support/apxs.pl
bff29bab 1842--- src/support/apxs.pl 28 Jul 2006 13:55:24 -0000 1.1.1.15
1843+++ src/support/apxs.pl 28 Jul 2006 13:56:29 -0000 1.15
1844@@ -753,5 +753,11 @@
7802c33e
JB
1845 NULL, /* child_init */
1846 NULL, /* child_exit */
1847 NULL /* [#0] post read-request */
1848+#ifdef EAPI
1849+ ,NULL, /* EAPI: add_module */
1850+ NULL, /* EAPI: remove_module */
1851+ NULL, /* EAPI: rewrite_command */
1852+ NULL /* EAPI: new_connection */
5fa7631d 1853+#endif
7802c33e 1854 };
5fa7631d 1855
7802c33e
JB
1856
1857+---------------------------------------------------------------------------
1858| Add the EAPI functions, so the stuff can be built under AIX
1859| and similar braindead platforms as DSO.
1860+---------------------------------------------------------------------------
1861Index: src/support/httpd.exp
0f67ba48
JB
1862--- src/support/httpd.exp 11 May 2004 18:28:26 -0000 1.1.1.13
1863+++ src/support/httpd.exp 11 May 2004 18:32:16 -0000 1.15
1864@@ -431,3 +431,59 @@
7802c33e
JB
1865 XML_SetUnparsedEntityDeclHandler
1866 XML_SetUserData
1867 XML_UseParserAsHandlerArg
1868+ap_add_config_define
1869+ap_make_shared_sub_pool
1870+ap_global_ctx
1871+ap_ctx_new
1872+ap_ctx_get
1873+ap_ctx_set
1874+ap_hook_init
1875+ap_hook_kill
1876+ap_hook_configure
1877+ap_hook_register_I
1878+ap_hook_unregister_I
1879+ap_hook_status
1880+ap_hook_use
1881+ap_hook_call
1882+ap_mm_useable
1883+ap_MM_create
1884+ap_MM_permission
1885+ap_MM_destroy
1886+ap_MM_lock
1887+ap_MM_unlock
1888+ap_MM_malloc
1889+ap_MM_realloc
1890+ap_MM_free
1891+ap_MM_calloc
1892+ap_MM_strdup
1893+ap_MM_sizeof
1894+ap_MM_maxsize
1895+ap_MM_available
1896+ap_MM_error
1897+ap_mm_create
1898+ap_mm_permission
1899+ap_mm_destroy
1900+ap_mm_lock
1901+ap_mm_unlock
1902+ap_mm_malloc
1903+ap_mm_realloc
1904+ap_mm_free
1905+ap_mm_calloc
1906+ap_mm_strdup
1907+ap_mm_sizeof
1908+ap_mm_maxsize
1909+ap_mm_available
1910+ap_mm_error
1911+ap_mm_display_info
1912+ap_mm_core_create
1913+ap_mm_core_permission
1914+ap_mm_core_delete
1915+ap_mm_core_size
1916+ap_mm_core_lock
1917+ap_mm_core_unlock
1918+ap_mm_core_maxsegsize
1919+ap_mm_core_align2page
1920+ap_mm_core_align2word
1921+ap_mm_lib_error_set
1922+ap_mm_lib_error_get
1923+ap_mm_lib_version
1924
1925+---------------------------------------------------------------------------
1926| Add the EAPI functions, so the stuff can be built under
1927| Windows 95 and similar braindead platforms as DDL.
1928+---------------------------------------------------------------------------
1929Index: src/ApacheCore.def
0f67ba48
JB
1930--- src/ApacheCore.def 11 May 2004 18:28:08 -0000 1.1.1.11
1931+++ src/ApacheCore.def 11 May 2004 18:32:15 -0000 1.15
1932@@ -448,3 +448,67 @@
7802c33e
JB
1933 ap_get_chunk_size @440
1934 ap_escape_logitem @441
0f67ba48 1935 ap_auth_nonce @442
7802c33e
JB
1936+
1937+ ; EAPI extended symbols
1938+ ; note; no ID's, so these all bind by name rather than ordinal since
1939+ ; their ordinals would change with symbol changes in the distribution
1940+ ap_add_config_define
1941+ ap_global_ctx DATA
1942+ ap_ctx_new
1943+ ap_ctx_get
1944+ ap_ctx_overlay
1945+ ap_ctx_set
1946+ ap_hook_init
1947+ ap_hook_kill
1948+ ap_hook_configure
1949+ ap_hook_register_I
1950+ ap_hook_unregister_I
1951+ ap_hook_status
1952+ ap_hook_use
1953+ ap_hook_call
1954+ ap_set_callback_and_alarm
1955+ ap_acquire_pool
1956+ ap_make_shared_sub_pool
1957+ ap_release_pool
1958+ ap_mm_useable
1959+ ap_MM_create
1960+ ap_MM_permission
1961+ ap_MM_destroy
1962+ ap_MM_lock
1963+ ap_MM_unlock
1964+ ap_MM_malloc
1965+ ap_MM_realloc
1966+ ap_MM_free
1967+ ap_MM_calloc
1968+ ap_MM_strdup
1969+ ap_MM_sizeof
1970+ ap_MM_maxsize
1971+ ap_MM_available
1972+ ap_MM_error
1973+ ap_mm_create
1974+ ap_mm_permission
1975+ ap_mm_destroy
1976+ ap_mm_lock
1977+ ap_mm_unlock
1978+ ap_mm_malloc
1979+ ap_mm_realloc
1980+ ap_mm_free
1981+ ap_mm_calloc
1982+ ap_mm_strdup
1983+ ap_mm_sizeof
1984+ ap_mm_maxsize
1985+ ap_mm_available
1986+ ap_mm_error
1987+ ap_mm_display_info
1988+ ap_mm_core_create
1989+ ap_mm_core_permission
1990+ ap_mm_core_delete
1991+ ap_mm_core_size
1992+ ap_mm_core_lock
1993+ ap_mm_core_unlock
1994+ ap_mm_core_align2page
1995+ ap_mm_core_align2word
1996+ ap_mm_lib_error_set
1997+ ap_mm_lib_error_get
1998+ ap_mm_lib_version
1999+
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