1 /*****************************************************************j
3 * Copyright 2014 Samsung Electronics All Rights Reserved.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 ******************************************************************/
21 #include "caipinterface.h"
24 #include <asm/types.h>
26 #ifndef IPV6_ADD_MEMBERSHIP
27 #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
30 #include <sys/types.h>
31 #include <sys/socket.h>
34 #include <sys/types.h>
36 #include <sys/select.h>
37 #include <arpa/inet.h>
38 #include <netinet/in.h>
42 #include <linux/netlink.h>
43 #include <linux/rtnetlink.h>
47 #include "caadapterutils.h"
49 #include "caadapternetdtls.h"
52 #include "oic_malloc.h"
53 #include "oic_string.h"
57 * @brief Logging tag for module name
59 #define TAG "IP_SERVER"
61 #define SELECT_TIMEOUT 1 // select() seconds (and termination latency)
63 #define IPv4_MULTICAST "224.0.1.187"
64 static struct in_addr IPv4MulticastAddress = { 0 };
66 #define IPv6_DOMAINS 16
67 #define IPv6_MULTICAST_INT "ff01::fd"
68 static struct in6_addr IPv6MulticastAddressInt;
69 #define IPv6_MULTICAST_LNK "ff02::fd"
70 static struct in6_addr IPv6MulticastAddressLnk;
71 #define IPv6_MULTICAST_RLM "ff03::fd"
72 static struct in6_addr IPv6MulticastAddressRlm;
73 #define IPv6_MULTICAST_ADM "ff04::fd"
74 static struct in6_addr IPv6MulticastAddressAdm;
75 #define IPv6_MULTICAST_SIT "ff05::fd"
76 static struct in6_addr IPv6MulticastAddressSit;
77 #define IPv6_MULTICAST_ORG "ff08::fd"
78 static struct in6_addr IPv6MulticastAddressOrg;
79 #define IPv6_MULTICAST_GLB "ff0e::fd"
80 static struct in6_addr IPv6MulticastAddressGlb;
82 static char *ipv6mcnames[IPv6_DOMAINS] = {
101 static CAIPExceptionCallback g_exceptionCallback;
103 static CAIPPacketReceivedCallback g_packetReceivedCallback;
105 static void CAHandleNetlink();
106 static void CAApplyInterfaces();
107 static void CAFindReadyMessage();
108 static void CASelectReturned(fd_set *readFds, int ret);
109 static CAResult_t CAReceiveMessage(int fd, CATransportFlags_t flags);
111 #define SET(TYPE, FDS) \
112 if (caglobals.ip.TYPE.fd != -1) \
114 FD_SET(caglobals.ip.TYPE.fd, FDS); \
117 #define ISSET(TYPE, FDS, FLAGS) \
118 if (caglobals.ip.TYPE.fd != -1 && FD_ISSET(caglobals.ip.TYPE.fd, FDS)) \
120 fd = caglobals.ip.TYPE.fd; \
124 static void CAReceiveHandler(void *data)
126 OIC_LOG(DEBUG, TAG, "IN");
128 while (!caglobals.ip.terminate)
130 CAFindReadyMessage();
133 OIC_LOG(DEBUG, TAG, "OUT");
136 static void CAFindReadyMessage()
139 struct timeval timeout;
141 timeout.tv_sec = caglobals.ip.selectTimeout;
143 struct timeval *tv = caglobals.ip.selectTimeout == -1 ? NULL : &timeout;
154 if (caglobals.ip.shutdownFds[0] != -1)
156 FD_SET(caglobals.ip.shutdownFds[0], &readFds);
158 if (caglobals.ip.netlinkFd != -1)
160 FD_SET(caglobals.ip.netlinkFd, &readFds);
163 int ret = select(caglobals.ip.maxfd + 1, &readFds, NULL, NULL, tv);
165 if (caglobals.ip.terminate)
167 OIC_LOG_V(DEBUG, TAG, "Packet receiver Stop request received.");
174 OIC_LOG_V(FATAL, TAG, "select error %s", strerror(errno));
179 CASelectReturned(&readFds, ret);
182 static void CASelectReturned(fd_set *readFds, int ret)
185 CATransportFlags_t flags = CA_DEFAULT_FLAGS;
187 while (!caglobals.ip.terminate)
189 ISSET(u6, readFds, CA_IPV6)
190 else ISSET(u6s, readFds, CA_IPV6 | CA_SECURE)
191 else ISSET(u4, readFds, CA_IPV4)
192 else ISSET(u4s, readFds, CA_IPV4 | CA_SECURE)
193 else ISSET(m6, readFds, CA_MULTICAST | CA_IPV6)
194 else ISSET(m6s, readFds, CA_MULTICAST | CA_IPV6 | CA_SECURE)
195 else ISSET(m4, readFds, CA_MULTICAST | CA_IPV4)
196 else ISSET(m4s, readFds, CA_MULTICAST | CA_IPV4 | CA_SECURE)
197 else if (FD_ISSET(caglobals.ip.netlinkFd, readFds))
207 (void)CAReceiveMessage(fd, flags);
212 static CAResult_t CAReceiveMessage(int fd, CATransportFlags_t flags)
214 char recvBuffer[COAP_MAX_PDU_SIZE];
216 struct sockaddr_storage srcAddr;
217 socklen_t srcAddrLen = sizeof (srcAddr);
219 ssize_t recvLen = recvfrom(fd,
223 (struct sockaddr *)&srcAddr,
227 OIC_LOG_V(ERROR, TAG, "Recvfrom failed %s", strerror(errno));
228 return CA_STATUS_FAILED;
231 CAEndpoint_t ep = { CA_ADAPTER_IP, flags };
235 ep.interface = ((struct sockaddr_in6 *)&srcAddr)->sin6_scope_id;
236 ((struct sockaddr_in6 *)&srcAddr)->sin6_scope_id = 0;
238 CAConvertAddrToName(&srcAddr, ep.addr, &ep.port);
240 if (flags & CA_SECURE)
243 int ret = CAAdapterNetDtlsDecrypt(&ep, (uint8_t *)recvBuffer, recvLen);
244 OIC_LOG_V(DEBUG, TAG, "CAAdapterNetDtlsDecrypt returns [%d]", ret);
246 OIC_LOG(ERROR, TAG, "Encrypted message but no DTLS");
251 if (g_packetReceivedCallback)
253 g_packetReceivedCallback(&ep, recvBuffer, recvLen);
262 OIC_LOG(DEBUG, TAG, "IN");
263 OIC_LOG(DEBUG, TAG, "OUT");
266 static int CACreateSocket(int family, uint16_t *port)
268 int socktype = SOCK_DGRAM;
270 socktype |= SOCK_CLOEXEC;
272 int fd = socket(family, socktype, IPPROTO_UDP);
275 OIC_LOG_V(ERROR, TAG, "create socket failed: %s", strerror(errno));
280 int fl = fcntl(fd, F_GETFD);
281 if (-1 == fl || -1 == fcntl(fd, F_SETFD, fl|FD_CLOEXEC))
283 OIC_LOG_V(ERROR, TAG, "set FD_CLOEXEC failed: %s", strerror(errno));
289 struct sockaddr_storage sa = { family };
290 if (family == AF_INET6)
293 if (-1 == setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof (on)))
295 OIC_LOG_V(ERROR, TAG, "IPV6_V6ONLY failed: %s", strerror(errno));
297 ((struct sockaddr_in6 *)&sa)->sin6_port = htons(*port);
301 ((struct sockaddr_in *)&sa)->sin_port = htons(*port);
304 if (*port) // use the given port
307 if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof (on)))
309 OIC_LOG_V(ERROR, TAG, "SO_REUSEADDR failed: %s", strerror(errno));
315 if (-1 == bind(fd, (struct sockaddr *)&sa, sizeof(sa)))
317 OIC_LOG_V(ERROR, TAG, "bind socket failed: %s", strerror(errno));
322 if (!*port) // return the assigned port
324 struct sockaddr_storage sa;
325 socklen_t socklen = sizeof (sa);
326 if (-1 == getsockname(fd, (struct sockaddr *)&sa, &socklen))
328 OIC_LOG_V(ERROR, TAG, "getsockname failed: %s", strerror(errno));
332 *port = ntohs(family == AF_INET6 ?
333 ((struct sockaddr_in6 *)&sa)->sin6_port :
334 ((struct sockaddr_in *)&sa)->sin_port);
340 #define CHECKFD(FD) \
341 if (FD > caglobals.ip.maxfd) \
342 caglobals.ip.maxfd = FD;
343 #define NEWSOCKET(FAMILY, NAME) \
344 caglobals.ip.NAME.fd = CACreateSocket(FAMILY, &caglobals.ip.NAME.port); \
345 CHECKFD(caglobals.ip.NAME.fd)
347 static void CAInitializeNetlink()
350 // create NETLINK fd for interface change notifications
351 struct sockaddr_nl sa = { AF_NETLINK, 0, 0, RTMGRP_LINK };
353 caglobals.ip.netlinkFd = socket(AF_NETLINK, SOCK_RAW|SOCK_CLOEXEC, NETLINK_ROUTE);
354 if (caglobals.ip.netlinkFd == -1)
356 OIC_LOG_V(ERROR, TAG, "netlink socket failed: %s", strerror(errno));
360 int r = bind(caglobals.ip.netlinkFd, (struct sockaddr *)&sa, sizeof (sa));
363 OIC_LOG_V(ERROR, TAG, "netlink bind failed: %s", strerror(errno));
364 close(caglobals.ip.netlinkFd);
365 caglobals.ip.netlinkFd = -1;
369 CHECKFD(caglobals.ip.netlinkFd);
375 static void CAInitializePipe()
377 caglobals.ip.selectTimeout = -1;
379 int ret = pipe2(caglobals.ip.shutdownFds, O_CLOEXEC);
381 int ret = pipe(caglobals.ip.shutdownFds);
384 ret = fcntl(caglobals.ip.shutdownFds[0], F_GETFD);
387 ret = fcntl(caglobals.ip.shutdownFds[0], F_SETFD, ret|FD_CLOEXEC);
391 ret = fcntl(caglobals.ip.shutdownFds[1], F_GETFD);
395 ret = fcntl(caglobals.ip.shutdownFds[1], F_SETFD, ret|FD_CLOEXEC);
399 close(caglobals.ip.shutdownFds[1]);
400 close(caglobals.ip.shutdownFds[0]);
401 caglobals.ip.shutdownFds[0] = -1;
402 caglobals.ip.shutdownFds[1] = -1;
408 OIC_LOG_V(ERROR, TAG, "pipe failed: %s", strerror(errno));
409 caglobals.ip.selectTimeout = SELECT_TIMEOUT; //poll needed for shutdown
413 CAResult_t CAIPStartServer(const ca_thread_pool_t threadPool)
415 CAResult_t res = CA_STATUS_OK;
417 if (caglobals.ip.started)
422 if (!IPv4MulticastAddress.s_addr)
424 (void)inet_aton(IPv4_MULTICAST, &IPv4MulticastAddress);
425 (void)inet_pton(AF_INET6, IPv6_MULTICAST_INT, &IPv6MulticastAddressInt);
426 (void)inet_pton(AF_INET6, IPv6_MULTICAST_LNK, &IPv6MulticastAddressLnk);
427 (void)inet_pton(AF_INET6, IPv6_MULTICAST_RLM, &IPv6MulticastAddressRlm);
428 (void)inet_pton(AF_INET6, IPv6_MULTICAST_ADM, &IPv6MulticastAddressAdm);
429 (void)inet_pton(AF_INET6, IPv6_MULTICAST_SIT, &IPv6MulticastAddressSit);
430 (void)inet_pton(AF_INET6, IPv6_MULTICAST_ORG, &IPv6MulticastAddressOrg);
431 (void)inet_pton(AF_INET6, IPv6_MULTICAST_GLB, &IPv6MulticastAddressGlb);
434 if (!caglobals.ip.ipv6enabled && !caglobals.ip.ipv4enabled)
436 caglobals.ip.ipv4enabled = true; // only needed to run CA tests
439 if (caglobals.ip.ipv6enabled)
441 NEWSOCKET(AF_INET6, u6)
442 NEWSOCKET(AF_INET6, u6s)
443 NEWSOCKET(AF_INET6, m6)
444 NEWSOCKET(AF_INET6, m6s)
446 if (caglobals.ip.ipv4enabled)
448 NEWSOCKET(AF_INET, u4)
449 NEWSOCKET(AF_INET, u4s)
450 NEWSOCKET(AF_INET, m4)
451 NEWSOCKET(AF_INET, m4s)
454 OIC_LOG_V(DEBUG, TAG,
455 "socket summary: u6=%d, u6s=%d, u4=%d, u4s=%d, m6=%d, m6s=%d, m4=%d, m4s=%d",
456 caglobals.ip.u6.fd, caglobals.ip.u6s.fd,
457 caglobals.ip.u4.fd, caglobals.ip.u4s.fd,
458 caglobals.ip.m6.fd, caglobals.ip.m6s.fd,
459 caglobals.ip.m4.fd, caglobals.ip.m4s.fd);
461 // create pipe for fast shutdown
463 CHECKFD(caglobals.ip.shutdownFds[0]);
464 CHECKFD(caglobals.ip.shutdownFds[1]);
466 // create source of network interface change notifications
467 CAInitializeNetlink();
471 caglobals.ip.terminate = false;
472 res = ca_thread_pool_add_task(threadPool, CAReceiveHandler, NULL);
473 if (CA_STATUS_OK != res)
475 OIC_LOG(ERROR, TAG, "thread_pool_add_task failed");
478 OIC_LOG(DEBUG, TAG, "CAReceiveHandler thread started successfully.");
480 caglobals.ip.started = true;
484 void CAIPStopServer()
486 OIC_LOG(DEBUG, TAG, "IN");
488 caglobals.ip.terminate = true;
490 if (caglobals.ip.shutdownFds[1] != -1)
492 close(caglobals.ip.shutdownFds[1]);
493 // receive thread will stop immediately
497 // receive thread will stop in SELECT_TIMEOUT seconds.
500 OIC_LOG(DEBUG, TAG, "OUT");
503 static void applyMulticastToInterface4(struct in_addr inaddr)
505 if (!caglobals.ip.ipv4enabled)
510 struct ip_mreq mreq = { IPv4MulticastAddress };
511 mreq.imr_interface = inaddr;
512 if (setsockopt(caglobals.ip.m4.fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof (mreq)))
514 if (EADDRINUSE != errno)
516 OIC_LOG_V(ERROR, TAG, "IPv4 IP_ADD_MEMBERSHIP failed: %s", strerror(errno));
519 if (setsockopt(caglobals.ip.m4s.fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof (mreq)))
521 if (EADDRINUSE != errno)
523 OIC_LOG_V(ERROR, TAG, "secure IPv4 IP_ADD_MEMBERSHIP failed: %s", strerror(errno));
528 static void applyMulticast6(int fd, struct in6_addr *addr, uint32_t interface)
530 struct ipv6_mreq mreq;
531 mreq.ipv6mr_multiaddr = *addr;
532 mreq.ipv6mr_interface = interface;
533 if (setsockopt(fd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq, sizeof (mreq)))
535 if (EADDRINUSE != errno)
537 OIC_LOG_V(ERROR, TAG, "IPv6 IP_ADD_MEMBERSHIP failed: %s", strerror(errno));
542 static void applyMulticastToInterface6(uint32_t interface)
544 if (!caglobals.ip.ipv6enabled)
548 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressInt, interface);
549 applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressLnk, interface);
550 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressRlm, interface);
551 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressAdm, interface);
552 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressSit, interface);
553 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressOrg, interface);
554 //applyMulticast6(caglobals.ip.m6.fd, &IPv6MulticastAddressGlb, interface);
555 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressInt, interface);
556 applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressLnk, interface);
557 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressRlm, interface);
558 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressAdm, interface);
559 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressSit, interface);
560 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressOrg, interface);
561 //applyMulticast6(caglobals.ip.m6s.fd, &IPv6MulticastAddressGlb, interface);
564 static void CAApplyInterfaces()
566 u_arraylist_t *iflist = CAIPGetInterfaceInformation(0);
569 OIC_LOG_V(ERROR, TAG, "get interface info failed: %s", strerror(errno));
573 uint32_t len = u_arraylist_length(iflist);
574 OIC_LOG_V(DEBUG, TAG, "IP network interfaces found: %d", len);
576 for (uint32_t i = 0; i < len; i++)
578 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
580 if ((ifitem->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
584 if (ifitem->family == AF_INET)
586 struct in_addr inaddr;
587 inaddr.s_addr = ifitem->ipv4addr;
588 applyMulticastToInterface4(inaddr);
589 OIC_LOG_V(DEBUG, TAG, "IPv4 network interface: %s", ifitem->name);
591 if (ifitem->family == AF_INET6)
593 applyMulticastToInterface6(ifitem->index);
594 OIC_LOG_V(DEBUG, TAG, "IPv6 network interface: %s", ifitem->name);
598 u_arraylist_destroy(iflist);
601 static void CAHandleNetlink()
606 struct sockaddr_nl sa;
607 struct iovec iov = { buf, sizeof(buf) };
608 struct msghdr msg = { (void *)&sa, sizeof(sa), &iov, 1, NULL, 0, 0 };
610 int len = recvmsg(caglobals.ip.netlinkFd, &msg, 0);
611 for (nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len); nh = NLMSG_NEXT(nh, len))
613 if (nh->nlmsg_type == RTM_NEWLINK)
615 struct ifinfomsg *ifi = (struct ifinfomsg *)NLMSG_DATA(nh);
616 if ((ifi->ifi_flags & IFF_LOOPBACK) || !(ifi->ifi_flags & IFF_RUNNING))
621 int newIndex = ifi->ifi_index;
623 u_arraylist_t *iflist = CAIPGetInterfaceInformation(newIndex);
626 OIC_LOG_V(ERROR, TAG, "get interface info failed: %s", strerror(errno));
630 uint32_t len = u_arraylist_length(iflist);
631 for (uint32_t i = 0; i < len; i++)
633 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
634 if (ifitem->index != newIndex)
639 applyMulticastToInterface6(newIndex);
640 struct in_addr inaddr;
641 inaddr.s_addr = ifitem->ipv4addr;
642 applyMulticastToInterface4(inaddr);
643 break; // we found the one we were looking for
645 u_arraylist_destroy(iflist);
651 void CAIPSetPacketReceiveCallback(CAIPPacketReceivedCallback callback)
653 OIC_LOG(DEBUG, TAG, "IN");
655 g_packetReceivedCallback = callback;
657 OIC_LOG(DEBUG, TAG, "OUT");
660 void CAIPSetExceptionCallback(CAIPExceptionCallback callback)
662 OIC_LOG(DEBUG, TAG, "IN");
664 g_exceptionCallback = callback;
666 OIC_LOG(DEBUG, TAG, "OUT");
669 static void sendData(int fd, const CAEndpoint_t *endpoint,
670 const void *data, uint32_t dlen,
671 const char *cast, const char *fam)
673 OIC_LOG(DEBUG, TAG, "IN");
675 char *secure = (endpoint->flags & CA_SECURE) ? "secure " : "";
676 (void)secure; // eliminates release warning
677 struct sockaddr_storage sock;
678 CAConvertNameToAddr(endpoint->addr, endpoint->port, &sock);
680 if (sock.ss_family == AF_INET6)
682 struct sockaddr_in6 *sock6 = (struct sockaddr_in6 *)&sock;
683 if (!sock6->sin6_scope_id)
685 sock6->sin6_scope_id = endpoint->interface;
689 ssize_t len = sendto(fd, data, dlen, 0, (struct sockaddr *)&sock, sizeof (sock));
692 OIC_LOG_V(ERROR, TAG, "%s%s %s sendTo failed: %s", secure, cast, fam, strerror(errno));
696 OIC_LOG_V(INFO, TAG, "%s%s %s sendTo is successful: %d bytes", secure, cast, fam, len);
700 static void sendMulticastData6(const u_arraylist_t *iflist,
701 CAEndpoint_t *endpoint,
702 const void *data, uint32_t datalen)
704 int scope = endpoint->flags & CA_SCOPE_MASK;
705 char *ipv6mcname = ipv6mcnames[scope];
708 OIC_LOG_V(INFO, TAG, "IPv6 multicast scope invalid: %d", scope);
711 strncpy(endpoint->addr, ipv6mcname, MAX_ADDR_STR_SIZE_CA);
712 int fd = caglobals.ip.u6.fd;
714 uint32_t len = u_arraylist_length(iflist);
715 for (uint32_t i = 0; i < len; i++)
717 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
718 if ((ifitem->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
722 if (ifitem->family != AF_INET6)
727 int index = ifitem->index;
728 if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF, &index, sizeof (index)))
730 OIC_LOG_V(ERROR, TAG, "setsockopt6 failed: %s", strerror(errno));
733 sendData(fd, endpoint, data, datalen, "multicast", "ipv6");
737 static void sendMulticastData4(const u_arraylist_t *iflist,
738 CAEndpoint_t *endpoint,
739 const void *data, uint32_t datalen)
741 struct ip_mreq mreq = { IPv4MulticastAddress };
742 strncpy(endpoint->addr, IPv4_MULTICAST, MAX_ADDR_STR_SIZE_CA);
743 int fd = caglobals.ip.u4.fd;
745 uint32_t len = u_arraylist_length(iflist);
746 for (uint32_t i = 0; i < len; i++)
748 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
749 if ((ifitem->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
753 if (ifitem->family != AF_INET)
758 struct in_addr inaddr;
759 inaddr.s_addr = ifitem->ipv4addr;
760 mreq.imr_interface = inaddr;
761 if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF, &mreq, sizeof (mreq)))
763 OIC_LOG_V(ERROR, TAG, "send IP_MULTICAST_IF failed: %s (using defualt)", strerror(errno));
765 sendData(fd, endpoint, data, datalen, "multicast", "ipv4");
769 void CAIPSendData(CAEndpoint_t *endpoint, const void *data, uint32_t datalen,
772 VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
773 VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
775 bool isSecure = (endpoint->flags & CA_SECURE) != 0;
779 endpoint->port = isSecure ? CA_SECURE_COAP : CA_COAP;
781 u_arraylist_t *iflist = CAIPGetInterfaceInformation(0);
784 OIC_LOG_V(ERROR, TAG, "get interface info failed: %s", strerror(errno));
788 if ((endpoint->flags & CA_IPV6) && caglobals.ip.ipv6enabled)
790 sendMulticastData6(iflist, endpoint, data, datalen);
792 if ((endpoint->flags & CA_IPV4) && caglobals.ip.ipv4enabled)
794 sendMulticastData4(iflist, endpoint, data, datalen);
797 u_arraylist_destroy(iflist);
802 if (endpoint->flags & CA_IPV6)
804 fd = isSecure ? caglobals.ip.u6s.fd : caglobals.ip.u6.fd;
805 #ifndef __WITH_DTLS__
806 fd = caglobals.ip.u6.fd;
808 sendData(fd, endpoint, data, datalen, "unicast", "ipv6");
810 if (endpoint->flags & CA_IPV4)
812 fd = isSecure ? caglobals.ip.u4s.fd : caglobals.ip.u4.fd;
813 #ifndef __WITH_DTLS__
814 fd = caglobals.ip.u4.fd;
816 sendData(fd, endpoint, data, datalen, "unicast", "ipv4");
821 CAResult_t CAGetIPInterfaceInformation(CAEndpoint_t **info, uint32_t *size)
823 OIC_LOG(DEBUG, TAG, "IN");
825 VERIFY_NON_NULL(info, TAG, "info is NULL");
826 VERIFY_NON_NULL(size, TAG, "size is NULL");
828 u_arraylist_t *iflist = CAIPGetInterfaceInformation(0);
831 OIC_LOG_V(ERROR, TAG, "get interface info failed: %s", strerror(errno));
832 return CA_STATUS_FAILED;
835 uint32_t len = u_arraylist_length(iflist);
837 CAEndpoint_t *eps = (CAEndpoint_t *)OICCalloc(len, sizeof (CAEndpoint_t));
840 OIC_LOG(ERROR, TAG, "Malloc Failed");
841 u_arraylist_destroy(iflist);
842 return CA_MEMORY_ALLOC_FAILED;
845 for (uint32_t i = 0, j = 0; i < len; i++)
847 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
849 OICStrcpy(eps[j].addr, CA_INTERFACE_NAME_SIZE, ifitem->name);
850 eps[j].flags = ifitem->family == AF_INET6 ? CA_IPV6 : CA_IPV4;
851 eps[j].adapter = CA_ADAPTER_IP;
852 eps[j].interface = 0;
860 u_arraylist_destroy(iflist);
862 OIC_LOG(DEBUG, TAG, "OUT");