| /* Copyright 2002-2004 The Apache Software Foundation |
| * |
| * Licensed 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. |
| */ |
| |
| /* |
| * Written by Bojan Smojver <bojan rexursive.com>: |
| * |
| * The argument to LogFormat and CustomLog is a string, which can include |
| * literal characters copied into the log files, and '%' directives as |
| * follows: |
| * |
| * %...I: bytes received, including request and headers, cannot be zero |
| * %...O: bytes sent, including headers, cannot be zero |
| * |
| */ |
| |
| #include "apr_strings.h" |
| #include "apr_lib.h" |
| #include "apr_hash.h" |
| #include "apr_optional.h" |
| |
| #define APR_WANT_STRFUNC |
| #include "apr_want.h" |
| |
| #include "ap_config.h" |
| #include "mod_log_config.h" |
| #include "httpd.h" |
| #include "http_core.h" |
| #include "http_config.h" |
| #include "http_connection.h" |
| #include "http_protocol.h" |
| |
| module AP_MODULE_DECLARE_DATA logio_module; |
| |
| static const char logio_filter_name[] = "LOG_INPUT_OUTPUT"; |
| |
| /* |
| * Logging of input and output config... |
| */ |
| |
| typedef struct logio_config_t { |
| apr_off_t bytes_in; |
| apr_off_t bytes_out; |
| } logio_config_t; |
| |
| /* |
| * Optional function for the core to add to bytes_out |
| */ |
| |
| static void ap_logio_add_bytes_out(conn_rec *c, apr_off_t bytes){ |
| logio_config_t *cf = ap_get_module_config(c->conn_config, &logio_module); |
| |
| cf->bytes_out += bytes; |
| } |
| |
| /* |
| * Format items... |
| */ |
| |
| static const char *log_bytes_in(request_rec *r, char *a) |
| { |
| logio_config_t *cf = ap_get_module_config(r->connection->conn_config, |
| &logio_module); |
| |
| return apr_off_t_toa(r->pool, cf->bytes_in); |
| } |
| |
| static const char *log_bytes_out(request_rec *r, char *a) |
| { |
| logio_config_t *cf = ap_get_module_config(r->connection->conn_config, |
| &logio_module); |
| |
| return apr_off_t_toa(r->pool, cf->bytes_out); |
| } |
| |
| /* |
| * Reset counters after logging... |
| */ |
| |
| static int logio_transaction(request_rec *r) |
| { |
| logio_config_t *cf = ap_get_module_config(r->connection->conn_config, |
| &logio_module); |
| |
| cf->bytes_in = cf->bytes_out = 0; |
| |
| return OK; |
| } |
| |
| /* |
| * Logging of input and output filters... |
| */ |
| |
| static apr_status_t logio_in_filter(ap_filter_t *f, |
| apr_bucket_brigade *bb, |
| ap_input_mode_t mode, |
| apr_read_type_e block, |
| apr_off_t readbytes) { |
| apr_off_t length; |
| apr_status_t status; |
| logio_config_t *cf = ap_get_module_config(f->c->conn_config, &logio_module); |
| |
| status = ap_get_brigade(f->next, bb, mode, block, readbytes); |
| |
| apr_brigade_length (bb, 0, &length); |
| |
| if (length > 0) |
| cf->bytes_in += length; |
| |
| return status; |
| } |
| |
| static apr_status_t logio_out_filter(ap_filter_t *f, |
| apr_bucket_brigade *bb) { |
| apr_bucket *b = APR_BRIGADE_LAST(bb); |
| |
| /* End of data, make sure we flush */ |
| if (APR_BUCKET_IS_EOS(b)) { |
| APR_BUCKET_INSERT_BEFORE(b, |
| apr_bucket_flush_create(f->c->bucket_alloc)); |
| } |
| |
| return ap_pass_brigade(f->next, bb); |
| } |
| |
| /* |
| * The hooks... |
| */ |
| |
| static int logio_pre_conn(conn_rec *c, void *csd) { |
| logio_config_t *cf = apr_pcalloc(c->pool, sizeof(*cf)); |
| |
| ap_set_module_config(c->conn_config, &logio_module, cf); |
| |
| ap_add_input_filter(logio_filter_name, NULL, NULL, c); |
| ap_add_output_filter(logio_filter_name, NULL, NULL, c); |
| |
| return OK; |
| } |
| |
| static int logio_pre_config(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp) |
| { |
| static APR_OPTIONAL_FN_TYPE(ap_register_log_handler) *log_pfn_register; |
| |
| log_pfn_register = APR_RETRIEVE_OPTIONAL_FN(ap_register_log_handler); |
| |
| if (log_pfn_register) { |
| log_pfn_register(p, "I", log_bytes_in, 0); |
| log_pfn_register(p, "O", log_bytes_out, 0); |
| } |
| |
| return OK; |
| } |
| |
| static void register_hooks(apr_pool_t *p) |
| { |
| static const char *pre[] = { "mod_log_config.c", NULL }; |
| |
| ap_hook_pre_connection(logio_pre_conn, NULL, NULL, APR_HOOK_MIDDLE); |
| ap_hook_pre_config(logio_pre_config, NULL, NULL, APR_HOOK_REALLY_FIRST); |
| ap_hook_log_transaction(logio_transaction, pre, NULL, APR_HOOK_MIDDLE); |
| |
| ap_register_input_filter(logio_filter_name, logio_in_filter, NULL, |
| AP_FTYPE_NETWORK - 1); |
| ap_register_output_filter(logio_filter_name, logio_out_filter, NULL, |
| AP_FTYPE_NETWORK - 1); |
| |
| APR_REGISTER_OPTIONAL_FN(ap_logio_add_bytes_out); |
| } |
| |
| module AP_MODULE_DECLARE_DATA logio_module = |
| { |
| STANDARD20_MODULE_STUFF, |
| NULL, /* create per-dir config */ |
| NULL, /* merge per-dir config */ |
| NULL, /* server config */ |
| NULL, /* merge server config */ |
| NULL, /* command apr_table_t */ |
| register_hooks /* register hooks */ |
| }; |