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3214. [func] Add 'named -U' option to set the number of UDP

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listener threads per interface. [RT #26485]
This commit is contained in:
Evan Hunt
2011-11-09 18:44:04 +00:00
parent cb13bb66cb
commit 5d23a6ac83
6 changed files with 39 additions and 8 deletions
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15
bin/named/main.c
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@@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: main.c,v 1.184 2011/11/05 00:45:31 each Exp $ */
/* $Id: main.c,v 1.185 2011/11/09 18:44:03 each Exp $ */
/*! \file */
@@ -418,7 +418,7 @@ parse_command_line(int argc, char *argv[]) {
isc_commandline_errprint = ISC_FALSE;
while ((ch = isc_commandline_parse(argc, argv,
"46c:C:d:E:fFgi:lm:n:N:p:P:"
"sS:t:T:u:vVx:")) != -1) {
"sS:t:T:U:u:vVx:")) != -1) {
switch (ch) {
case '4':
if (disable4)
@@ -527,6 +527,11 @@ parse_command_line(int argc, char *argv[]) {
fprintf(stderr, "unknown -T flag '%s\n",
isc_commandline_argument);
break;
case 'U':
ns_g_udpdisp = parse_int(isc_commandline_argument,
"number of UDP listeners "
"per interface");
break;
case 'u':
ns_g_username = isc_commandline_argument;
break;
@@ -585,6 +590,12 @@ create_managers(void) {
#else
ns_g_cpus = 1;
#endif
if (ns_g_udpdisp == 0 || ns_g_udpdisp > ns_g_cpus)
ns_g_udpdisp = ns_g_cpus;
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER,
ISC_LOG_INFO, "using %u UDP listener%s per interface",
ns_g_udpdisp, ns_g_udpdisp == 1 ? "" : "s");
result = isc_taskmgr_create(ns_g_mctx, ns_g_cpus, 0, &ns_g_taskmgr);
if (result != ISC_R_SUCCESS) {
UNEXPECTED_ERROR(__FILE__, __LINE__,