Commit 03eb24f7 authored by Michael Graff's avatar Michael Graff
Browse files

checkpoint new lwresd code

parent 6cff00c8
Makefile
.libs
*.la
*.lo
lwresd
# Copyright (C) 1998, 1999 Internet Software Consortium.
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
# ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
# CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
# SOFTWARE.
srcdir = @srcdir@
VPATH = @srcdir@
top_srcdir = @top_srcdir@
@BIND9_VERSION@
@BIND9_INCLUDES@
CINCLUDES = \
${LWRES_INCLUDES} ${DNS_INCLUDES} ${ISC_INCLUDES}
CDEFINES =
CWARNINGS =
DEPLIBS = ../../lib/lwres/liblwres.@A@ \
../../lib/dns/libdns.@A@ \
../../lib/isc/libisc.@A@
LIBS = ${DEPLIBS} \
@LIBS@
TARGETS = lwresd
OBJS = main.@O@
SRCS = main.c
@BIND9_MAKE_RULES@
lwresd: ${OBJS} ${UOBJS} ${DEPLIBS}
${LIBTOOL} ${CC} -o $@ ${OBJS} ${UOBJS} ${LIBS}
clean distclean::
rm -f ${TARGETS}
/*
* Copyright (C) 1999 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#ifndef LWD_CLIENT_H
#define LWD_CLIENT_H 1
#include <isc/list.h>
#include <isc/mem.h>
#include <isc/sockaddr.h>
#include <isc/socket.h>
#include <isc/task.h>
typedef struct client_s client_t;
struct client_s {
isc_socket_t *socket; /* socket to reply */
isc_sockaddr_t sockaddr; /* where to reply */
unsigned char buffer[LWRES_RECVLENGTH]; /* receive buffer */
ISC_LINK(client_t) link;
};
typedef struct clientmgr_s clientmgr_t;
struct clientmgr_s {
isc_task_t *task; /* owning task */
ISC_LIST(client_t) idle; /* idle client slots */
ISC_LIST(client_t) running; /* running clients */
};
#endif /* LWD_CLIENT_H */
/*
* Copyright (C) 1999 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <config.h>
#include <lwres/lwres.h>
#include <isc/assertions.h>
#include <isc/mem.h>
#include <isc/result.h>
#include <isc/task.h>
#include <isc/util.h>
#include "client.h"
/*
* The goal number of clients we can handle will be NTASKS * NRECVS.
*/
#define NTASKS 10 /* tasks to create to handle lwres queries */
#define NRECVS 5 /* max clients per task */
#define NTHREADS 1 /* # threads to create in thread manager */
/*
* Array of client managers. Each of these will have a task associated
* with it.
*/
clientmgr_t *cmgr;
unsigned int ntasks; /* number of tasks actually created */
int
main(int argc, char **argv)
{
isc_mem_t *mem;
isc_taskmgr_t *taskmgr;
isc_result_t result;
unsigned int i, j;
client_t *client;
UNUSED(argc);
UNUSED(argv);
mem = NULL;
result = isc_mem_create(0, 0, &mem);
INSIST(result == ISC_R_SUCCESS);
cmgr = isc_mem_get(mem, sizeof(clientmgr_t) * NTHREADS);
INSIST(cmgr != NULL);
taskmgr = NULL;
result = isc_taskmgr_create(mem, NTHREADS, 0, &taskmgr);
INSIST(result == ISC_R_SUCCESS);
/*
* Create one task for each client manager.
*/
for (i = 0 ; i < NTASKS ; i++) {
cmgr[i].task = NULL;
ISC_LIST_INIT(cmgr[i].idle);
ISC_LIST_INIT(cmgr[i].running);
result = isc_task_create(taskmgr, mem, 0, &cmgr[i].task);
INSIST(result == ISC_R_SUCCESS);
}
INSIST(i > 0);
ntasks = i; /* remember how many we managed to create */
/*
* Now, run through each client manager and populate it with
* client structures. Do this by creating one receive for each
* task, in a loop, so each task has a chance of getting at least
* one client structure.
*/
for (i = 0 ; i < NRECVS ; i++) {
client = isc_mem_get(mem, sizeof(client_t) * ntasks);
if (client == NULL)
break;
for (j = 0 ; j < ntasks ; j++) {
client[j].socket = NULL;
ISC_LINK_INIT(&client[j], link);
ISC_LIST_APPEND(cmgr[j].idle, &client[j], link);
}
}
INSIST(i > 0);
/*
* Now, create a socket. Issue one read request for each task
* we have.
*/
/*
* Wait for ^c or kill.
*/
return (0);
}
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