CAResult_t CAIPStartUnicastServer(const char *localAddress, uint16_t *port, bool isSecured)
{
OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
// Input validation
VERIFY_NON_NULL(localAddress, IP_SERVER_TAG, "localAddress");
VERIFY_NON_NULL(port, IP_SERVER_TAG, "port");
ca_mutex_lock(g_mutexServerInfoList);
bool isUnicastServerStarted = CAIsUnicastServerStarted(g_serverInfoList, localAddress, *port);
if (!isUnicastServerStarted)
{
int unicastServerFd = -1;
if (CA_STATUS_OK != CAStartUnicastServer(localAddress, port, isSecured,
&unicastServerFd))
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to start unicast server!");
ca_mutex_unlock(g_mutexServerInfoList);
return CA_STATUS_FAILED;
}
CAServerInfo_t *info = (CAServerInfo_t *) OICCalloc(1, sizeof(CAServerInfo_t));
if (!info)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Malloc failed");
close(unicastServerFd);
ca_mutex_unlock(g_mutexServerInfoList);
return CA_MEMORY_ALLOC_FAILED;
}
char *netMask = NULL;
if (CA_STATUS_OK != CAIPGetInterfaceSubnetMask(localAddress, &netMask))
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to get IP subnet");
}
if (netMask)
{
OICStrcpy(info->subNetMask, sizeof(info->subNetMask), netMask);
OICFree(netMask);
}
OICStrcpy(info->endpoint.addr, sizeof(info->endpoint.addr), localAddress);
info->endpoint.port = *port;
info->endpoint.flags = isSecured ? CA_SECURE : 0;
info->endpoint.adapter = CA_ADAPTER_IP;
info->socketFd = unicastServerFd;
info->isServerStarted = true;
info->isMulticastServer = false;
OICStrcpy(info->ifAddr, sizeof(info->ifAddr), localAddress);
CAResult_t res = CAAddServerInfo(g_serverInfoList, info);
if (CA_STATUS_OK != res)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "CAAddServerInfo failed!");
close(unicastServerFd);
ca_mutex_unlock(g_mutexServerInfoList);
return res;
}
ca_mutex_unlock(g_mutexServerInfoList);
res = CAIPStartPacketReceiverHandler();
if (CA_STATUS_OK != res)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "CAIPStartPacketReceiverHandler failed!");
close(unicastServerFd);
return res;
}
}
else
{
OIC_LOG_V(DEBUG, IP_SERVER_TAG, "Already Unicast Server Started ip [%s] port [%d]",
localAddress, *port);
ca_mutex_unlock(g_mutexServerInfoList);
}
OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
return CA_STATUS_OK;
}
CAResult_t CAIPStartMulticastServer(const char *localAddress, const char *multicastAddress,
uint16_t multicastPort)
{
OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
// Input validation
VERIFY_NON_NULL(localAddress, IP_SERVER_TAG, "localAddress");
VERIFY_NON_NULL(multicastAddress, IP_SERVER_TAG, "port");
uint16_t port = multicastPort;
if (0 >= port)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Invalid input: Multicast port is invalid!");
return CA_STATUS_INVALID_PARAM;
}
ca_mutex_lock(g_mutexServerInfoList);
bool isMulticastServerStarted = CAIsMulticastServerStarted(g_serverInfoList, localAddress,
multicastAddress, port);
if (!isMulticastServerStarted)
{
int mulicastServerFd = -1;
CAResult_t ret = CACreateSocket(&mulicastServerFd, multicastAddress, &port, false);
if (ret != CA_STATUS_OK)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to create multicast socket");
ca_mutex_unlock(g_mutexServerInfoList);
return ret;
}
struct ip_mreq multicastMemberReq = {.imr_interface.s_addr = inet_addr(localAddress)};
inet_aton(multicastAddress, &multicastMemberReq.imr_multiaddr);
if (-1 == setsockopt(mulicastServerFd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
(char *) &multicastMemberReq, sizeof(struct ip_mreq)))
{
OIC_LOG_V(ERROR, IP_SERVER_TAG,
"Failed to add to multicast group, Error code: %s\n", strerror(errno));
close(mulicastServerFd);
ca_mutex_unlock(g_mutexServerInfoList);
return CA_STATUS_FAILED;
}
CAServerInfo_t *info = (CAServerInfo_t *) OICCalloc(1, sizeof(CAServerInfo_t));
if (!info)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Malloc failed");
close(mulicastServerFd);
ca_mutex_unlock(g_mutexServerInfoList);
return CA_MEMORY_ALLOC_FAILED;
}
char *netMask = NULL;
if (CA_STATUS_OK != CAIPGetInterfaceSubnetMask(localAddress, &netMask))
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to get IP subnet");
}
if (netMask)
{
OICStrcpy(info->subNetMask, sizeof(info->subNetMask), netMask);
OICFree(netMask);
}
OICStrcpy(info->endpoint.addr, sizeof(info->endpoint.addr), multicastAddress);
info->endpoint.port = multicastPort;
info->endpoint.flags = 0;
info->socketFd = mulicastServerFd;
info->isServerStarted = true;
info->isMulticastServer = true;
OICStrcpy(info->ifAddr, sizeof(info->ifAddr), localAddress);
ret = CAAddServerInfo(g_serverInfoList, info);
if (CA_STATUS_OK != ret)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "CAAddServerInfo failed!");
close(mulicastServerFd);
ca_mutex_unlock(g_mutexServerInfoList);
return ret;
}
ca_mutex_unlock(g_mutexServerInfoList);
ret = CAIPStartPacketReceiverHandler();
if (CA_STATUS_OK != ret)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "CAIPStartPacketReceiverHandler failed!");
close(mulicastServerFd);
return ret;
}
}
CAResult_t CAIPStartUnicastServer(const char *localAddress, uint16_t *port,
bool forceBindStart, bool isSecured)
{
OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
// Input validation
VERIFY_NON_NULL(localAddress, IP_SERVER_TAG, "localAddress");
VERIFY_NON_NULL(port, IP_SERVER_TAG, "port");
if (0 >= *port)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Invalid input: port is invalid!");
return CA_STATUS_INVALID_PARAM;
}
ca_mutex_lock(g_mutexServerInfoList);
bool isUnicastServerStarted = CAIsUnicastServerStarted(g_serverInfoList, localAddress, *port);
if (!isUnicastServerStarted)
{
int unicastServerFd = -1;
if (CA_STATUS_OK != CAStartUnicastServer(localAddress, port, forceBindStart, isSecured,
&unicastServerFd))
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to start unicast server!");
ca_mutex_unlock(g_mutexServerInfoList);
return CA_STATUS_FAILED;
}
CAServerInfo_t *info = (CAServerInfo_t *) OICCalloc(1, sizeof(CAServerInfo_t));
if (!info)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Malloc failed");
close(unicastServerFd);
ca_mutex_unlock(g_mutexServerInfoList);
return CA_MEMORY_ALLOC_FAILED;
}
char *netMask = NULL;
if (CA_STATUS_OK != CAIPGetInterfaceSubnetMask(localAddress, &netMask))
{
OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to get IP subnet");
}
if (netMask)
{
strncpy(info->subNetMask, netMask, sizeof(info->subNetMask) - 1);
info->subNetMask[sizeof(info->subNetMask)-1] = '\0';
OICFree(netMask);
}
strncpy(info->ipAddress, localAddress, sizeof(info->ipAddress) - 1);
info->ipAddress[sizeof(info->ipAddress) - 1] = '\0';
info->port = *port;
info->socketFd = unicastServerFd;
info->isSecured = isSecured;
info->isServerStarted = true;
info->isMulticastServer = false;
strncpy(info->ifAddr, localAddress, sizeof(info->ifAddr) - 1);
info->ifAddr[sizeof(info->ifAddr) - 1] = '\0';
CAResult_t res = CAAddServerInfo(g_serverInfoList, info);
if (CA_STATUS_OK != res)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "CAAddServerInfo failed!");
close(unicastServerFd);
ca_mutex_unlock(g_mutexServerInfoList);
return res;
}
ca_mutex_unlock(g_mutexServerInfoList);
res = CAIPStartPacketReceiverHandler();
if (CA_STATUS_OK != res)
{
OIC_LOG(ERROR, IP_SERVER_TAG, "CAIPStartPacketReceiverHandler failed!");
close(unicastServerFd);
return res;
}
}
else
{
OIC_LOG_V(DEBUG, IP_SERVER_TAG, "Already Unicast Server Started ip [%s] port [%d]",
localAddress, *port);
ca_mutex_unlock(g_mutexServerInfoList);
}
OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
return CA_STATUS_OK;
}