+++ /dev/null
-/* Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Originally written @ Covalent by Jim Jagielski
- */
-
-/*
- * mod_dumpio.c:
- * Think of this as a filter sniffer for Apache 2.x. It logs
- * all filter data right before and after it goes out on the
- * wire (BUT right before SSL encoded or after SSL decoded).
- * It can produce a *huge* amount of data.
- */
-
-
-#include "httpd.h"
-#include "http_connection.h"
-#include "http_config.h"
-#include "http_core.h"
-#include "http_log.h"
-
-module AP_MODULE_DECLARE_DATA dumpio_module ;
-
-typedef struct dumpio_conf_t {
- int enable_input;
- int enable_output;
-} dumpio_conf_t;
-
-/*
- * Workhorse function: simply log to the current error_log
- * info about the data in the bucket as well as the data itself
- */
-static void dumpit(ap_filter_t *f, apr_bucket *b)
-{
- conn_rec *c = f->c;
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server,
- "mod_dumpio: %s (%s-%s): %" APR_SIZE_T_FMT " bytes",
- f->frec->name,
- (APR_BUCKET_IS_METADATA(b)) ? "metadata" : "data",
- b->type->name,
- b->length) ;
-
- if (!(APR_BUCKET_IS_METADATA(b))) {
- const char *buf;
- apr_size_t nbytes;
- char *obuf;
- if (apr_bucket_read(b, &buf, &nbytes, APR_BLOCK_READ) == APR_SUCCESS) {
- if (nbytes) {
- obuf = malloc(nbytes+1); /* use pool? */
- memcpy(obuf, buf, nbytes);
- obuf[nbytes] = '\0';
- ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server,
- "mod_dumpio: %s (%s-%s): %s",
- f->frec->name,
- (APR_BUCKET_IS_METADATA(b)) ? "metadata" : "data",
- b->type->name,
- obuf);
- free(obuf);
- }
- } else {
- ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server,
- "mod_dumpio: %s (%s-%s): %s",
- f->frec->name,
- (APR_BUCKET_IS_METADATA(b)) ? "metadata" : "data",
- b->type->name,
- "error reading data");
- }
- }
-}
-
-#define whichmode( mode ) \
- ( (( mode ) == AP_MODE_READBYTES) ? "readbytes" : \
- (( mode ) == AP_MODE_GETLINE) ? "getline" : \
- (( mode ) == AP_MODE_EATCRLF) ? "eatcrlf" : \
- (( mode ) == AP_MODE_SPECULATIVE) ? "speculative" : \
- (( mode ) == AP_MODE_EXHAUSTIVE) ? "exhaustive" : \
- (( mode ) == AP_MODE_INIT) ? "init" : "unknown" \
- )
-
-static int dumpio_input_filter (ap_filter_t *f, apr_bucket_brigade *bb,
- ap_input_mode_t mode, apr_read_type_e block, apr_off_t readbytes)
-{
-
- apr_bucket *b;
- apr_status_t ret;
- conn_rec *c = f->c;
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server,
- "mod_dumpio: %s [%s-%s] %" APR_OFF_T_FMT " readbytes",
- f->frec->name,
- whichmode(mode),
- ((block) == APR_BLOCK_READ) ? "blocking" : "nonblocking",
- readbytes) ;
-
- ret = ap_get_brigade(f->next, bb, mode, block, readbytes);
-
- if (ret == APR_SUCCESS) {
- for (b = APR_BRIGADE_FIRST(bb); b != APR_BRIGADE_SENTINEL(bb); b = APR_BUCKET_NEXT(b)) {
- dumpit(f, b);
- }
- } else {
- ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server,
- "mod_dumpio: %s - %d", f->frec->name, ret) ;
- }
-
- return APR_SUCCESS ;
-}
-
-static int dumpio_output_filter (ap_filter_t *f, apr_bucket_brigade *bb)
-{
- apr_bucket *b;
- conn_rec *c = f->c;
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, c->base_server, "mod_dumpio: %s", f->frec->name) ;
-
- for (b = APR_BRIGADE_FIRST(bb); b != APR_BRIGADE_SENTINEL(bb); b = APR_BUCKET_NEXT(b)) {
- /*
- * If we ever see an EOS, make sure to FLUSH.
- */
- if (APR_BUCKET_IS_EOS(b)) {
- apr_bucket *flush = apr_bucket_flush_create(f->c->bucket_alloc);
- APR_BUCKET_INSERT_BEFORE(b, flush);
- }
- dumpit(f, b);
- }
-
- return ap_pass_brigade(f->next, bb) ;
-}
-
-static int dumpio_pre_conn(conn_rec *c, void *csd)
-{
- dumpio_conf_t *ptr =
- (dumpio_conf_t *) ap_get_module_config(c->base_server->module_config,
- &dumpio_module);
-
- if (ptr->enable_input)
- ap_add_input_filter("DUMPIO_IN", NULL, NULL, c);
- if (ptr->enable_output)
- ap_add_output_filter("DUMPIO_OUT", NULL, NULL, c);
- return OK;
-}
-
-static void dumpio_register_hooks(apr_pool_t *p)
-{
-/*
- * We know that SSL is CONNECTION + 5
- */
- ap_register_output_filter("DUMPIO_OUT", dumpio_output_filter,
- NULL, AP_FTYPE_CONNECTION + 3) ;
-
- ap_register_input_filter("DUMPIO_IN", dumpio_input_filter,
- NULL, AP_FTYPE_CONNECTION + 3) ;
-
- ap_hook_pre_connection(dumpio_pre_conn, NULL, NULL, APR_HOOK_MIDDLE);
-}
-
-static void *dumpio_create_sconfig(apr_pool_t *p, server_rec *s)
-{
- dumpio_conf_t *ptr = apr_pcalloc(p, sizeof *ptr);
- ptr->enable_input = ptr->enable_output = 0;
- return ptr;
-}
-
-static const char *dumpio_enable_input(cmd_parms *cmd, void *dummy, int arg)
-{
- dumpio_conf_t *ptr =
- (dumpio_conf_t *) ap_get_module_config(cmd->server->module_config,
- &dumpio_module);
-
- ptr->enable_input = arg;
- return NULL;
-}
-
-static const char *dumpio_enable_output(cmd_parms *cmd, void *dummy, int arg)
-{
- dumpio_conf_t *ptr =
- (dumpio_conf_t *) ap_get_module_config(cmd->server->module_config,
- &dumpio_module);
-
- ptr->enable_output = arg;
- return NULL;
-}
-
-static const command_rec dumpio_cmds[] = {
- AP_INIT_FLAG("DumpIOInput", dumpio_enable_input, NULL,
- RSRC_CONF, "Enable I/O Dump on Input Data"),
- AP_INIT_FLAG("DumpIOOutput", dumpio_enable_output, NULL,
- RSRC_CONF, "Enable I/O Dump on Output Data"),
- { NULL }
-};
-
-module AP_MODULE_DECLARE_DATA dumpio_module = {
- STANDARD20_MODULE_STUFF,
- NULL,
- NULL,
- dumpio_create_sconfig,
- NULL,
- dumpio_cmds,
- dumpio_register_hooks
-};
Code Review / bottlenecks.git / blobdiff