修改 apache log 格式中的 %T 输出格式（从秒修改为微秒）
diff -uprBN –exclude=’*.o’ apache_1.3.33/src/include/httpd.h apache_1.3.33-patch/src/include/httpd.h
— apache_1.3.33/src/include/httpd.h 2004-10-28 00:34:01.000000000 +0800
+++ apache_1.3.33-patch/src/include/httpd.h 2008-08-12 16:14:14.000000000 +0800
@@ -667,6 +667,7 @@ struct request_rec {
const char *hostname; /* Host, as set by full URI or Host: */
time_t request_time; /* When the request started */
+ uint32_t request_time_usec; /* When the request started */
const char *status_line; /* Status line, if set by script */
int status; /* In any case */
diff -uprBN –exclude=’*.o’ apache_1.3.33/src/main/http_main.c apache_1.3.33-patch/src/main/http_main.c
— apache_1.3.33/src/main/http_main.c 2004-09-16 07:45:17.000000000 +0800
+++ apache_1.3.33-patch/src/main/http_main.c 2008-08-12 17:05:57.000000000 +0800
@@ -1536,7 +1536,10 @@ static void timeout(int sig)
if (!current_conn->keptalive) {
/* in some cases we come here before setting the time */
if (log_req->request_time == 0) {
– log_req->request_time = time(NULL);
+ struct timeval stVal;
+ gettimeofday(&stVal, NULL);
+ log_req->request_time = stVal.tv_sec;
+ log_req->request_time_usec = stVal.tv_usec;
}
ap_log_transaction(log_req);
}
diff -uprBN –exclude=’*.o’ apache_1.3.33/src/main/http_protocol.c apache_1.3.33-patch/src/main/http_protocol.c
— apache_1.3.33/src/main/http_protocol.c 2004-09-16 07:45:18.000000000 +0800
+++ apache_1.3.33-patch/src/main/http_protocol.c 2008-08-12 17:09:43.000000000 +0800
@@ -990,11 +990,16 @@ static int read_request_line(request_rec
ap_bsetflag(conn->client, B_SAFEREAD, 1);
while ((len = ap_getline(l, sizeof(l), conn->client, 0)) < = 0) {
if ((len < 0) || ap_bgetflag(conn->client, B_EOF) || !conn->keepalives) {
+ struct timeval stVal;
ap_bsetflag(conn->client, B_SAFEREAD, 0);
/* this is a hack to make sure that request time is set,
* it’s not perfect, but it’s better than nothing
*/
– r->request_time = time(0);
+ //r->request_time = time(0);
+ gettimeofday(&stVal, NULL);
+ r->request_time = stVal.tv_sec;
+ r->request_time_usec = stVal.tv_usec;
+
return 0;
}
}
@@ -1005,7 +1010,12 @@ static int read_request_line(request_rec
ap_bsetflag(conn->client, B_SAFEREAD, 0);
– r->request_time = time(NULL);
+ {
+ struct timeval stVal;
+ gettimeofday(&stVal, NULL);
+ r->request_time = stVal.tv_sec;
+ r->request_time_usec = stVal.tv_usec;
+ }
r->the_request = ap_pstrdup(r->pool, l);
r->method = ap_getword_white(r->pool, &ll);
uri = ap_getword_white(r->pool, &ll);
diff -uprBN –exclude=’*.o’ apache_1.3.33/src/main/http_request.c apache_1.3.33-patch/src/main/http_request.c
— apache_1.3.33/src/main/http_request.c 2004-08-28 19:35:27.000000000 +0800
+++ apache_1.3.33-patch/src/main/http_request.c 2008-08-12 17:07:36.000000000 +0800
@@ -764,6 +764,7 @@ API_EXPORT(request_rec *) ap_sub_req_met
rnew = make_sub_request(r);
rnew->hostname = r->hostname;
rnew->request_time = r->request_time;
+ rnew->request_time_usec = r->request_time_usec;
rnew->connection = r->connection;
rnew->server = r->server;
rnew->request_config = ap_create_request_config(rnew->pool);
@@ -859,6 +860,7 @@ API_EXPORT(request_rec *) ap_sub_req_loo
rnew = make_sub_request(r);
rnew->hostname = r->hostname;
rnew->request_time = r->request_time;
+ rnew->request_time_usec = r->request_time_usec;
rnew->connection = r->connection;
rnew->server = r->server;
rnew->request_config = ap_create_request_config(rnew->pool);
@@ -1392,6 +1394,7 @@ static request_rec *internal_internal_re
new->proto_num = r->proto_num;
new->hostname = r->hostname;
new->request_time = r->request_time;
+ new->request_time_usec = r->request_time_usec;
new->main = r->main;
new->headers_in = r->headers_in;
diff -uprBN –exclude=’*.o’ apache_1.3.33/src/modules/standard/mod_log_config.c apache_1.3.33-patch/src/modules/standard/mod_log_config.c
— apache_1.3.33/src/modules/standard/mod_log_config.c 2004-02-21 04:37:40.000000000 +0800
+++ apache_1.3.33-patch/src/modules/standard/mod_log_config.c 2008-08-12 17:17:09.000000000 +0800
@@ -404,7 +404,10 @@ static const char *log_request_time(requ
static const char *log_request_duration(request_rec *r, char *a)
{
– return ap_psprintf(r->pool, “%ld”, time(NULL) – r->request_time);
+ struct timeval stVal;
+ gettimeofday(&stVal, NULL);
+ uint64_t ddwDiff = stVal.tv_sec*1000000+stVal.tv_usec-(r->request_time*1000000 + r->request_time_usec);
+ return ap_psprintf(r->pool, “%lld”, ddwDiff );
}
/* These next two routines use the canonical name:port so that log