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/**
* @file
*
* @brief The multicast DNS (mDNS) protocol is tested.
*
* To run this test is also required to run foobarclient.
* A TCP socket (SOCK_STREAM) is open from port FOOBAR_PORT_BEGIN to
* port FOOBAR_PORT_END - 1 on at a time.
* The following functions are called: mDNS_RegisterService(),
* mDNS_DeregisterService() and mDNS_RenameAndReregisterService().
*/
/*
* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <mDNSEmbeddedAPI.h>
#include <mDNSPosix.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>
#define TEST_NAME "LIBBSD FOOBAR SERVER"
#define TEST_STATE_USER_INPUT 1
#define FOOBAR_PORT_BEGIN 10815
#define FOOBAR_PORT_END 20815
static mDNS mDNSStorage;
static mDNS_PlatformSupport PlatformStorage;
static void
foobar_callback(mDNS *m, ServiceRecordSet *srs, mStatus status)
{
const mDNSu8 *name = srs->RR_SRV.resrec.name->c;
switch (status) {
case mStatus_NoError:
printf("foobar server: name registered: %s\n", name);
break;
case mStatus_NameConflict:
printf("foobar server: name conflict: %s\n", name);
status = mDNS_RenameAndReregisterService(m, srs, mDNSNULL);
assert(status == mStatus_NoError);
break;
case mStatus_MemFree:
printf("foobar server: free: %s\n", name);
free(srs);
break;
default:
printf("foobar server: unexpected status: %s\n", name);
break;
}
}
static ServiceRecordSet *
foobar_register(mDNSu16 port)
{
ServiceRecordSet *srs;
mStatus status;
domainlabel name;
domainname type;
domainname domain;
srs = calloc(1, sizeof(*srs));
assert(srs != NULL);
MakeDomainLabelFromLiteralString(&name, "foobar");
MakeDomainNameFromDNSNameString(&type, "_foobar._tcp");
MakeDomainNameFromDNSNameString(&domain, "local.");
status = mDNS_RegisterService(&mDNSStorage, srs, &name, &type, &domain,
NULL, mDNSOpaque16fromIntVal(port), NULL, 0, NULL, 0,
mDNSInterface_Any, foobar_callback, srs, 0);
assert(status == mStatus_NoError);
return srs;
}
static void
foobar_deregister(ServiceRecordSet *srs)
{
mStatus status;
status = mDNS_DeregisterService(&mDNSStorage, srs);
assert(status == mStatus_NoError);
}
static void *
foobar_thread(void *arg)
{
static const char foobar[] = "FooBar!";
mDNSu16 port = FOOBAR_PORT_BEGIN;
while (1) {
ServiceRecordSet *srs;
struct sockaddr_in addr;
struct sockaddr_in addr2;
socklen_t addr2_len;
int sd;
int sd2;
int rv;
ssize_t n;
sd = socket(PF_INET, SOCK_STREAM, 0);
assert(sd >= 0);
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
rv = bind(sd, (const struct sockaddr *) &addr, sizeof(addr));
assert(rv == 0);
rv = listen(sd, 0);
assert(rv == 0);
srs = foobar_register(port);
addr2_len = sizeof(addr2);
sd2 = accept(sd, (struct sockaddr *) &addr2, &addr2_len);
assert(sd2 >= 0);
n = write(sd2, &foobar[0], sizeof(foobar));
assert(n == (ssize_t) sizeof(foobar));
foobar_deregister(srs);
rv = close(sd2);
assert(rv == 0);
rv = close(sd);
assert(rv == 0);
if (port < FOOBAR_PORT_END) {
++port;
} else {
port = FOOBAR_PORT_BEGIN;
}
}
return NULL;
}
static void
foobar_create_thread(void)
{
int eno;
pthread_t t;
eno = pthread_create(&t, NULL, foobar_thread, NULL);
assert(eno == 0);
}
static void
test_main(void)
{
const char name[] = "foobarserver";
int rv;
mStatus status;
rv = sethostname(&name[0], sizeof(name) - 1);
assert(rv == 0);
status = mDNS_Init(&mDNSStorage, &PlatformStorage, mDNS_Init_NoCache,
mDNS_Init_ZeroCacheSize, mDNS_Init_AdvertiseLocalAddresses,
mDNS_Init_NoInitCallback, mDNS_Init_NoInitCallbackContext);
assert(status == mStatus_NoError);
foobar_create_thread();
while (1) {
struct timeval timeout = { .tv_sec = 0x3fffffff, .tv_usec = 0 };
sigset_t signals;
mDNSBool got_something;
mDNSPosixRunEventLoopOnce(&mDNSStorage, &timeout, &signals, &got_something);
}
}
#define DEFAULT_NETWORK_DHCPCD_ENABLE
#define DEFAULT_NETWORK_DHCPCD_NO_DHCP_DISCOVERY
#define DEFAULT_NETWORK_SHELL
#include <rtems/bsd/test/default-network-init.h>
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