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Code Issues Releases Wiki Activity

merge 4319

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This commit is contained in:
Michael Graff 2002-11-12 23:58:14 +00:00
parent 994bc04060
commit e903df2f01
5 changed files with 155 additions and 36 deletions
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57
bin/nsupdate/nsupdate.c
View File

@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: nsupdate.c,v 1.120 2002/08/06 03:21:59 marka Exp $ */
/* $Id: nsupdate.c,v 1.121 2002/11/12 23:58:13 explorer Exp $ */
#include <config.h>
@ -135,6 +135,9 @@ static isc_boolean_t interactive = ISC_TRUE;
static isc_boolean_t seenerror = ISC_FALSE;
static const dns_master_style_t *style;
static int requests = 0;
static unsigned int timeout = 300;
static unsigned int udp_timeout = 3;
static unsigned int udp_retries = 3;
typedef struct nsu_requestinfo {
dns_message_t *msg;
@ -594,7 +597,8 @@ parse_args(int argc, char **argv) {
isc_result_t result;
debug("parse_args");
while ((ch = isc_commandline_parse(argc, argv, "dDMy:vk:")) != -1) {
while ((ch = isc_commandline_parse(argc, argv, "dDMy:vk:r:t:u:")) != -1)
{
switch (ch) {
case 'd':
debugging = ISC_TRUE;
@ -619,6 +623,34 @@ parse_args(int argc, char **argv) {
case 'k':
keyfile = isc_commandline_argument;
break;
case 't':
result = isc_parse_uint32(&timeout,
isc_commandline_argument, 10);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "bad timeout '%s'\n", isc_commandline_argument);
exit(1);
}
if (timeout == 0)
timeout = ULONG_MAX;
break;
case 'u':
result = isc_parse_uint32(&udp_timeout,
isc_commandline_argument, 10);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "bad udp timeout '%s'\n", isc_commandline_argument);
exit(1);
}
if (udp_timeout == 0)
udp_timeout = ULONG_MAX;
break;
case 'r':
result = isc_parse_uint32(&udp_retries,
isc_commandline_argument, 10);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "bad udp retries '%s'\n", isc_commandline_argument);
exit(1);
}
break;
default:
fprintf(stderr, "%s: invalid argument -%c\n",
argv[0], ch);
@ -1022,8 +1054,8 @@ evaluate_key(char *cmdline) {
if (tsigkey != NULL)
dns_tsigkey_detach(&tsigkey);
result = dns_tsigkey_create(keyname, dns_tsig_hmacmd5_name,
secret, secretlen, ISC_TRUE, NULL, 0, 0,
mctx, NULL, &tsigkey);
secret, secretlen, ISC_TRUE, NULL, 0, 0,
mctx, NULL, &tsigkey);
isc_mem_free(mctx, secret);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "could not create key from %s %s: %s\n",
@ -1468,11 +1500,11 @@ send_update(dns_name_t *zonename, isc_sockaddr_t *master,
isc_sockaddr_format(master, addrbuf, sizeof(addrbuf));
fprintf(stderr, "Sending update to %s\n", addrbuf);
}
result = dns_request_createvia(requestmgr, updatemsg, srcaddr,
master, options, tsigkey,
FIND_TIMEOUT, global_task,
update_completed, NULL, &request);
check_result(result, "dns_request_createvia");
result = dns_request_createvia3(requestmgr, updatemsg, srcaddr,
master, options, tsigkey, timeout,
udp_timeout, udp_retries, global_task,
update_completed, NULL, &request);
check_result(result, "dns_request_createvia3");
if (debugging)
show_message(updatemsg);
@ -1713,9 +1745,10 @@ sendrequest(isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr,
fatal("out of memory");
reqinfo->msg = msg;
reqinfo->addr = destaddr;
result = dns_request_createvia(requestmgr, msg, srcaddr, destaddr,
0, NULL, FIND_TIMEOUT, global_task,
recvsoa, reqinfo, request);
result = dns_request_createvia3(requestmgr, msg, srcaddr, destaddr,
0, NULL, FIND_TIMEOUT * 20,
FIND_TIMEOUT, 3, global_task, recvsoa,
reqinfo, request);
check_result(result, "dns_request_createvia");
requests++;
}

19
bin/nsupdate/nsupdate.docbook
View File

@ -16,7 +16,7 @@
- WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-->
<!-- $Id: nsupdate.docbook,v 1.11 2002/02/20 03:33:38 marka Exp $ -->
<!-- $Id: nsupdate.docbook,v 1.12 2002/11/12 23:58:13 explorer Exp $ -->
<refentry>
<refentryinfo>
@ -39,6 +39,9 @@
<arg><option>-y <replaceable class="parameter">keyname:secret</replaceable></option></arg>
<arg><option>-k <replaceable class="parameter">keyfile</replaceable></option></arg>
</group>
<arg><option>-t <replaceable class="parameter">timeout</replaceable></option></arg>
<arg><option>-u <replaceable class="parameter">udptimeout</replaceable></option></arg>
<arg><option>-r <replaceable class="parameter">udpretries</replaceable></option></arg>
<arg><option>-v</option></arg>
<arg>filename</arg>
</cmdsynopsis>
@ -153,7 +156,8 @@ specified is not an HMAC-MD5 key.
<para>
By default
<command>nsupdate</command>
uses UDP to send update requests to the name server.
uses UDP to send update requests to the name server unless they are too
large to fit in a UDP request in which case TCP will be used.
The
<option>-v</option>
option makes
@ -161,6 +165,17 @@ option makes
use a TCP connection.
This may be preferable when a batch of update requests is made.
</para>
<para>The <option>-t</option> option sets the maximum time a update request can
take before it is aborted. The default is 300 seconds. Zero can be used
to disable the timeout.
</para>
<para>The <option>-u</option> option sets the UDP retry interval. The default is
3 seconds. If zero the interval will be computed from the timeout interval
and number of UDP retries.
</para>
<para>The <option>-r</option> option sets the number of UDP retries. The default is
3. If zero only one update request will be made.
</para>
</refsect1>
<refsect1>

2
doc/private/branches
View File

@ -11,7 +11,7 @@ rt3892 closed explorer
rt4090 closed explorer
rt4112 closed explorer
adb_race review explorer
rt4319 review explorer
rt4319 closed explorer
rt3907 closed explorer
rt3507 closed ogud (pull down by explorer)
v6source

27
lib/dns/include/dns/request.h
View File

@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: request.h,v 1.19 2001/11/30 01:59:27 gson Exp $ */
/* $Id: request.h,v 1.20 2002/11/12 23:58:14 explorer Exp $ */
#ifndef DNS_REQUEST_H
#define DNS_REQUEST_H 1
@ -204,9 +204,18 @@ isc_result_t
dns_request_createvia2(dns_requestmgr_t *requestmgr, dns_message_t *message,
isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr,
unsigned int options, dns_tsigkey_t *key,
unsigned int timeout, unsigned int udpretry,
unsigned int timeout, unsigned int udptimeout,
isc_task_t *task, isc_taskaction_t action, void *arg,
dns_request_t **requestp);
isc_result_t
dns_request_createvia3(dns_requestmgr_t *requestmgr, dns_message_t *message,
isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr,
unsigned int options, dns_tsigkey_t *key,
unsigned int timeout, unsigned int udptimeout,
unsigned int udpretries, isc_task_t *task,
isc_taskaction_t action, void *arg,
dns_request_t **requestp);
/*
* Create and send a request.
*
@ -215,7 +224,7 @@ dns_request_createvia2(dns_requestmgr_t *requestmgr, dns_message_t *message,
* 'message' will be rendered and sent to 'address'. If the
* DNS_REQUESTOPT_TCP option is set, TCP will be used. The request
* will timeout after 'timeout' seconds. UDP requests will be resent
* at 'udpretry' intervals if non-zero.
* at 'udptimeout' intervals if non-zero or 'udpretries' is non-zero.
*
* When the request completes, successfully, due to a timeout, or
* because it was canceled, a completion event will be sent to 'task'.
@ -248,9 +257,17 @@ isc_result_t
dns_request_createraw2(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr,
unsigned int options, unsigned int timeout,
unsigned int udpretry, isc_task_t *task,
unsigned int udptimeout, isc_task_t *task,
isc_taskaction_t action, void *arg,
dns_request_t **requestp);
isc_result_t
dns_request_createraw3(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr,
unsigned int options, unsigned int timeout,
unsigned int udptimeout, unsigned int udpretries,
isc_task_t *task, isc_taskaction_t action, void *arg,
dns_request_t **requestp);
/*
* Create and send a request.
*
@ -259,7 +276,7 @@ dns_request_createraw2(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
* 'msgbuf' will be sent to 'destaddr' after setting the id. If the
* DNS_REQUESTOPT_TCP option is set, TCP will be used. The request
* will timeout after 'timeout' seconds. UDP requests will be resent
* at 'udpretry' intervals if non-zero.
* at 'udptimeout' intervals if non-zero or if 'udpretries' is not zero.
*
* When the request completes, successfully, due to a timeout, or
* because it was canceled, a completion event will be sent to 'task'.

84
lib/dns/request.c
View File

@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: request.c,v 1.70 2001/11/30 01:59:16 gson Exp $ */
/* $Id: request.c,v 1.71 2002/11/12 23:58:14 explorer Exp $ */
#include <config.h>
@ -86,6 +86,7 @@ struct dns_request {
isc_event_t ctlevent;
isc_boolean_t canceling; /* ctlevent outstanding */
isc_sockaddr_t destaddr;
unsigned int udpcount;
};
#define DNS_REQUEST_F_CONNECTING 0x0001
@ -463,6 +464,7 @@ new_request(isc_mem_t *mctx, dns_request_t **requestp) {
DNS_EVENT_REQUESTCONTROL, do_cancel, request, NULL,
NULL, NULL);
request->canceling = ISC_FALSE;
request->udpcount = 0;
isc_mem_attach(mctx, &request->mctx);
@ -631,17 +633,37 @@ dns_request_createraw(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
isc_task_t *task, isc_taskaction_t action, void *arg,
dns_request_t **requestp)
{
return(dns_request_createraw2(requestmgr, msgbuf, srcaddr, destaddr,
options, timeout, 0, task, action, arg,
requestp));
return(dns_request_createraw3(requestmgr, msgbuf, srcaddr, destaddr,
options, timeout, 0, 0, task, action,
arg, requestp));
}
isc_result_t
dns_request_createraw2(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr,
unsigned int options, unsigned int timeout, unsigned int udpretry, isc_task_t *task,
unsigned int options, unsigned int timeout,
unsigned int udptimeout, isc_task_t *task,
isc_taskaction_t action, void *arg,
dns_request_t **requestp)
{
unsigned int udpretries = 0;
if (udptimeout != 0)
udpretries = timeout / udptimeout;
return (dns_request_createraw3(requestmgr, msgbuf, srcaddr, destaddr,
options, timeout, udptimeout,
udpretries, task, action, arg,
requestp));
}
isc_result_t
dns_request_createraw3(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr,
unsigned int options, unsigned int timeout,
unsigned int udptimeout, unsigned int udpretries,
isc_task_t *task, isc_taskaction_t action, void *arg,
dns_request_t **requestp)
{
dns_request_t *request = NULL;
isc_task_t *tclone = NULL;
@ -674,6 +696,12 @@ dns_request_createraw2(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
if (result != ISC_R_SUCCESS)
return (result);
if (udptimeout == 0 && udpretries != 0) {
udptimeout = timeout / (udpretries + 1);
if (udptimeout == 0)
udptimeout = 1;
}
/*
* Create timer now. We will set it below once.
*/
@ -745,7 +773,7 @@ dns_request_createraw2(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
ISC_LIST_APPEND(requestmgr->requests, request, link);
UNLOCK(&requestmgr->lock);
result = set_timer(request->timer, timeout, tcp ? 0 : udpretry);
result = set_timer(request->timer, timeout, tcp ? 0 : udptimeout);
if (result != ISC_R_SUCCESS)
goto unlink;
@ -789,9 +817,9 @@ dns_request_create(dns_requestmgr_t *requestmgr, dns_message_t *message,
isc_taskaction_t action, void *arg,
dns_request_t **requestp)
{
return (dns_request_createvia2(requestmgr, message, NULL, address,
options, key, timeout, 0, task, action,
arg, requestp));
return (dns_request_createvia3(requestmgr, message, NULL, address,
options, key, timeout, 0, 0, task,
action, arg, requestp));
}
isc_result_t
@ -802,18 +830,37 @@ dns_request_createvia(dns_requestmgr_t *requestmgr, dns_message_t *message,
isc_taskaction_t action, void *arg,
dns_request_t **requestp)
{
return(dns_request_createvia2(requestmgr, message, srcaddr, destaddr,
options, key, timeout, 0, task, action,
arg, requestp));
return(dns_request_createvia3(requestmgr, message, srcaddr, destaddr,
options, key, timeout, 0, 0, task,
action, arg, requestp));
}
isc_result_t
dns_request_createvia2(dns_requestmgr_t *requestmgr, dns_message_t *message,
isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr,
unsigned int options, dns_tsigkey_t *key,
unsigned int timeout, unsigned int udpretry,
unsigned int timeout, unsigned int udptimeout,
isc_task_t *task, isc_taskaction_t action, void *arg,
dns_request_t **requestp)
{
unsigned int udpretries = 0;
if (udptimeout != 0)
udpretries = timeout / udptimeout;
return (dns_request_createvia3(requestmgr, message, srcaddr, destaddr,
options, key, timeout, udptimeout,
udpretries, task, action, arg,
requestp));
}
isc_result_t
dns_request_createvia3(dns_requestmgr_t *requestmgr, dns_message_t *message,
isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr,
unsigned int options, dns_tsigkey_t *key,
unsigned int timeout, unsigned int udptimeout,
unsigned int udpretries, isc_task_t *task,
isc_taskaction_t action, void *arg,
dns_request_t **requestp)
{
dns_request_t *request = NULL;
isc_task_t *tclone = NULL;
@ -846,6 +893,12 @@ dns_request_createvia2(dns_requestmgr_t *requestmgr, dns_message_t *message,
if (result != ISC_R_SUCCESS)
return (result);
if (udptimeout == 0 && udpretries != 0) {
udptimeout = timeout / (udpretries + 1);
if (udptimeout == 0)
udptimeout = 1;
}
/*
* Create timer now. We will set it below once.
*/
@ -922,7 +975,7 @@ dns_request_createvia2(dns_requestmgr_t *requestmgr, dns_message_t *message,
ISC_LIST_APPEND(requestmgr->requests, request, link);
UNLOCK(&requestmgr->lock);
result = set_timer(request->timer, timeout, tcp ? 0 : udpretry);
result = set_timer(request->timer, timeout, tcp ? 0 : udptimeout);
if (result != ISC_R_SUCCESS)
goto unlink;
@ -1293,7 +1346,8 @@ req_timeout(isc_task_t *task, isc_event_t *event) {
UNUSED(task);
LOCK(&request->requestmgr->locks[request->hash]);
if (event->ev_type == ISC_TIMEREVENT_TICK) {
if (event->ev_type == ISC_TIMEREVENT_TICK &&
request->udpcount-- != 0) {
if (! DNS_REQUEST_SENDING(request)) {
result = req_send(request, task, &request->destaddr);
if (result != ISC_R_SUCCESS) {