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Code Issues Releases Wiki Activity

remove more duplicated code

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This commit is contained in:
Brian Wellington
2001-01-23 19:50:10 +00:00
parent 40562d7208
commit dac1e1dd18
1 changed files with 52 additions and 81 deletions
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133
lib/dns/request.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: request.c,v 1.52 2001/01/23 07:45:39 marka Exp $ */
/* $Id: request.c,v 1.53 2001/01/23 19:50:10 bwelling Exp $ */
#include <config.h>
@@ -433,6 +433,38 @@ req_send(dns_request_t *request, isc_task_t *task, isc_sockaddr_t *address) {
return (result);
}
static isc_result_t
new_request(isc_mem_t *mctx, dns_request_t **requestp) {
dns_request_t *request;
request = isc_mem_get(mctx, sizeof(*request));
if (request == NULL)
return (ISC_R_NOMEMORY);
/*
* Zero structure.
*/
request->magic = 0;
request->mctx = NULL;
request->flags = 0;
ISC_LINK_INIT(request, link);
request->query = NULL;
request->answer = NULL;
request->event = NULL;
request->dispatch = NULL;
request->dispentry = NULL;
request->timer = NULL;
request->requestmgr = NULL;
request->tsig = NULL;
request->tsigkey = NULL;
isc_mem_attach(mctx, &request->mctx);
*requestp = request;
return (ISC_R_SUCCESS);
}
static isc_boolean_t
isblackholed(dns_dispatchmgr_t *dispatchmgr, isc_sockaddr_t *destaddr) {
dns_acl_t *blackhole = NULL;
@@ -616,27 +648,10 @@ dns_request_createraw(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
if (isblackholed(requestmgr->dispatchmgr, destaddr))
return (DNS_R_BLACKHOLED);
request = isc_mem_get(mctx, sizeof(*request));
if (request == NULL) {
return (ISC_R_NOMEMORY);
}
/*
* Zero structure.
*/
request->magic = 0;
request->mctx = NULL;
request->flags = 0;
ISC_LINK_INIT(request, link);
request->query = NULL;
request->answer = NULL;
request->event = NULL;
request->dispatch = NULL;
request->dispentry = NULL;
request->timer = NULL;
request->requestmgr = NULL;
request->tsig = NULL;
request->tsigkey = NULL;
request = NULL;
result = new_request(mctx, &request);
if (result != ISC_R_SUCCESS)
return (result);
/*
* Create timer now. We will set it below once.
@@ -698,7 +713,6 @@ dns_request_createraw(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
r.base[0] = (id>>8) & 0xff;
r.base[1] = id & 0xff;
isc_mem_attach(mctx, &request->mctx);
LOCK(&requestmgr->lock);
if (requestmgr->exiting) {
UNLOCK(&requestmgr->lock);
@@ -727,7 +741,8 @@ dns_request_createraw(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
goto unlink;
}
req_log(ISC_LOG_DEBUG(3), "dns_request_create: request %p", request);
req_log(ISC_LOG_DEBUG(3), "dns_request_createraw: request %p",
request);
*requestp = request;
return (ISC_R_SUCCESS);
@@ -737,24 +752,10 @@ dns_request_createraw(dns_requestmgr_t *requestmgr, isc_buffer_t *msgbuf,
UNLOCK(&requestmgr->lock);
cleanup:
if (request->requestmgr != NULL)
requestmgr_detach(&request->requestmgr);
if (request->dispentry != NULL)
dns_dispatch_removeresponse(&request->dispentry, NULL);
if (request->dispatch != NULL)
dns_dispatch_detach(&request->dispatch);
if (request->event != NULL)
isc_event_free((isc_event_t **)&request->event);
if (request->query != NULL)
isc_buffer_free(&request->query);
if (request->timer != NULL)
isc_timer_detach(&request->timer);
if (tclone != NULL)
isc_task_detach(&tclone);
if (request->mctx != NULL)
isc_mem_detach(&request->mctx);
isc_mem_put(mctx, request, sizeof *request);
req_log(ISC_LOG_DEBUG(3), "dns_request_create: failed %s",
req_destroy(request);
req_log(ISC_LOG_DEBUG(3), "dns_request_createraw: failed %s",
dns_result_totext(result));
return (result);
}
@@ -800,32 +801,15 @@ dns_request_createvia(dns_requestmgr_t *requestmgr, dns_message_t *message,
mctx = requestmgr->mctx;
req_log(ISC_LOG_DEBUG(3), "dns_request_create");
req_log(ISC_LOG_DEBUG(3), "dns_request_createvia");
if (isblackholed(requestmgr->dispatchmgr, destaddr))
return (DNS_R_BLACKHOLED);
request = isc_mem_get(mctx, sizeof(*request));
if (request == NULL) {
return (ISC_R_NOMEMORY);
}
/*
* Zero structure.
*/
request->magic = 0;
request->mctx = NULL;
request->flags = 0;
ISC_LINK_INIT(request, link);
request->query = NULL;
request->answer = NULL;
request->event = NULL;
request->dispatch = NULL;
request->dispentry = NULL;
request->timer = NULL;
request->requestmgr = NULL;
request->tsig = NULL;
request->tsigkey = NULL;
request = NULL;
result = new_request(mctx, &request);
if (result != ISC_R_SUCCESS)
return (result);
/*
* Create timer now. We will set it below once.
@@ -887,7 +871,6 @@ dns_request_createvia(dns_requestmgr_t *requestmgr, dns_message_t *message,
if (result != ISC_R_SUCCESS)
goto cleanup;
isc_mem_attach(mctx, &request->mctx);
LOCK(&requestmgr->lock);
if (requestmgr->exiting) {
UNLOCK(&requestmgr->lock);
@@ -916,7 +899,8 @@ dns_request_createvia(dns_requestmgr_t *requestmgr, dns_message_t *message,
goto unlink;
}
req_log(ISC_LOG_DEBUG(3), "dns_request_create: request %p", request);
req_log(ISC_LOG_DEBUG(3), "dns_request_createvia: request %p",
request);
*requestp = request;
return (ISC_R_SUCCESS);
@@ -926,24 +910,10 @@ dns_request_createvia(dns_requestmgr_t *requestmgr, dns_message_t *message,
UNLOCK(&requestmgr->lock);
cleanup:
if (request->requestmgr != NULL)
requestmgr_detach(&request->requestmgr);
if (request->dispentry != NULL)
dns_dispatch_removeresponse(&request->dispentry, NULL);
if (request->dispatch != NULL)
dns_dispatch_detach(&request->dispatch);
if (request->event != NULL)
isc_event_free((isc_event_t **)&request->event);
if (request->query != NULL)
isc_buffer_free(&request->query);
if (request->timer != NULL)
isc_timer_detach(&request->timer);
if (tclone != NULL)
isc_task_detach(&tclone);
if (request->mctx != NULL)
isc_mem_detach(&request->mctx);
isc_mem_put(mctx, request, sizeof *request);
req_log(ISC_LOG_DEBUG(3), "dns_request_create: failed %s",
req_destroy(request);
req_log(ISC_LOG_DEBUG(3), "dns_request_createvia: failed %s",
dns_result_totext(result));
return (result);
}
@@ -1277,7 +1247,8 @@ req_destroy(dns_request_t *request) {
isc_buffer_free(&request->tsig);
if (request->tsigkey != NULL)
dns_tsigkey_detach(&request->tsigkey);
requestmgr_detach(&request->requestmgr);
if (request->requestmgr != NULL)
requestmgr_detach(&request->requestmgr);
mctx = request->mctx;
isc_mem_put(mctx, request, sizeof(*request));
isc_mem_detach(&mctx);