1 /******************************************************************
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"
23 #include <sys/types.h>
24 #include <sys/socket.h>
27 #include <sys/select.h>
28 #include <arpa/inet.h>
29 #include <netinet/in.h>
33 #include "caadapterutils.h"
35 #include "caadapternetdtls.h"
38 #include "oic_malloc.h"
42 * @brief Logging tag for module name
44 #define IP_SERVER_TAG "IP_SERVER"
47 * @def CA_UDP_BIND_RETRY_COUNT
48 * @brief Retry count in case of socket bind failure.
50 #define CA_UDP_BIND_RETRY_COUNT 10
54 * @brief Max length for ip address.
60 * @brief Socket option.
62 #define SOCKETOPTION 1
65 * @var g_packetHandlerStopFlag
66 * @brief Flag for stopping packet handler thread.
68 static bool g_packetHandlerStopFlag = false;
71 * @var CAAdapterIPServerContext_t
72 * @brief Thread context information for callbacks and threadpool.
76 ca_thread_pool_t threadPool;
77 CAIPPacketReceivedCallback packetReceivedCallback;
78 CAIPExceptionCallback exceptionCallback;
79 } CAAdapterIPServerContext_t;
82 * @var g_serverInfoList
83 * @brief Mutex to synchronize ethenet adapter context.
85 static u_arraylist_t *g_serverInfoList = NULL;
88 * @var g_mutexServerInfoList
89 * @brief Mutex to synchronize Server Information.
91 static ca_mutex g_mutexServerInfoList = NULL;
94 * @var g_adapterEthServerContext
95 * @brief Mutex to synchronize ethenet adapter context.
97 static CAAdapterIPServerContext_t *g_adapterEthServerContext = NULL;
100 * @var g_mutexAdapterServerContext
101 * @brief Mutex to synchronize unicast server
103 static ca_mutex g_mutexAdapterServerContext = NULL;
105 static void CAReceiveHandler(void *data)
107 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
111 struct timeval timeout;
112 char recvBuffer[COAP_MAX_PDU_SIZE] = { 0 };
114 while (true != g_packetHandlerStopFlag)
120 ca_mutex_lock(g_mutexServerInfoList);
121 uint32_t listIndex = 0;
122 uint32_t listLength = u_arraylist_length(g_serverInfoList);
124 u_arraylist_t *tempServerInfoList = u_arraylist_create();
125 if (!tempServerInfoList)
127 OIC_LOG(ERROR, IP_SERVER_TAG, "u_arraylist_create failed");
128 ca_mutex_unlock(g_mutexServerInfoList);
132 for (listIndex = 0; listIndex < listLength; listIndex++)
134 CAServerInfo_t *info = (CAServerInfo_t *) u_arraylist_get(g_serverInfoList, listIndex);
141 int sd = info->socketFd;
142 //if valid socket descriptor then add to read list
145 FD_SET(sd, &readFds);
148 //highest file descriptor number, need it for the select function
154 CAServerInfo_t *newInfo = (CAServerInfo_t *) OICMalloc(sizeof(CAServerInfo_t));
157 OIC_LOG(ERROR, IP_SERVER_TAG, "Malloc failed");
158 CAClearServerInfoList(tempServerInfoList);
159 ca_mutex_unlock(g_mutexServerInfoList);
163 memcpy(newInfo, info, sizeof(CAServerInfo_t));
165 CAResult_t result = u_arraylist_add(tempServerInfoList, (void *) newInfo);
166 if (CA_STATUS_OK != result)
168 OIC_LOG(ERROR, IP_SERVER_TAG, "u_arraylist_add failed!Thread exit");
169 CAClearServerInfoList(tempServerInfoList);
170 ca_mutex_unlock(g_mutexServerInfoList);
175 ca_mutex_unlock(g_mutexServerInfoList);
177 int ret = select(maxSd + 1, &readFds, NULL, NULL, &timeout);
178 if (g_packetHandlerStopFlag)
180 OIC_LOG_V(DEBUG, IP_SERVER_TAG,
181 "Packet receiver handler Stop request received. Thread exited");
182 CAClearServerInfoList(tempServerInfoList);
187 OIC_LOG_V(FATAL, IP_SERVER_TAG, "select returned error %s", strerror(errno));
188 CAClearServerInfoList(tempServerInfoList);
192 listLength = u_arraylist_length(tempServerInfoList);
193 for (listIndex = 0; listIndex < listLength; listIndex++)
195 CAServerInfo_t *info = (CAServerInfo_t *) u_arraylist_get(tempServerInfoList,
202 int sd = info->socketFd;
203 if (FD_ISSET(sd , &readFds))
205 OIC_LOG_V(ERROR, IP_SERVER_TAG,
206 "data Received server information ip %s, port %d socket %d",
207 info->ipAddress, info->port, sd);
208 memset(recvBuffer, 0, sizeof(recvBuffer));
210 struct sockaddr_in srcSockAddress = { 0 };
211 socklen_t srcAddressLen = sizeof(srcSockAddress);
213 //Reading from socket
214 ssize_t recvLen = recvfrom(sd, recvBuffer, sizeof(recvBuffer), 0,
215 (struct sockaddr *) &srcSockAddress, &srcAddressLen);
218 OIC_LOG_V(ERROR, IP_SERVER_TAG, "Recvfrom failed %s", strerror(errno));
221 else if (0 == recvLen)
223 OIC_LOG_V(ERROR, IP_SERVER_TAG, "Server socket shutdown sock fd[%d]", sd);
224 ca_mutex_lock(g_mutexAdapterServerContext);
225 // Notify upper layer this exception
226 if (g_adapterEthServerContext->exceptionCallback)
228 // need to make proper exception callback.
229 //g_adapterEthServerContext->exceptionCallback(ctx->type);
231 ca_mutex_unlock(g_mutexAdapterServerContext);
234 char srcIPAddress[CA_IPADDR_SIZE] = { 0 };
235 if (!inet_ntop(AF_INET, &srcSockAddress.sin_addr.s_addr, srcIPAddress,
236 sizeof(srcIPAddress)))
239 OIC_LOG(ERROR, IP_SERVER_TAG, "inet_ntop is failed!");
243 uint16_t srcPort = ntohs(srcSockAddress.sin_port);
245 OIC_LOG_V(DEBUG, IP_SERVER_TAG, "Received packet from %s:%d len %d",
246 srcIPAddress, srcPort, recvLen);
248 char *netMask = NULL;
249 if (CA_STATUS_OK != CAIPGetInterfaceSubnetMask(info->ifAddr, &netMask))
251 OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to get IP subnet");
255 if (!CAAdapterIsSameSubnet(info->ifAddr, srcIPAddress, netMask))
257 OIC_LOG(DEBUG, IP_SERVER_TAG,
258 "Packet received from different subnet, Ignore!");
267 CAResult_t ret = CAAdapterNetDtlsDecrypt(srcIPAddress, srcPort,
268 (uint8_t *)recvBuffer, recvLen,
270 OIC_LOG_V(DEBUG, IP_SERVER_TAG,
271 "CAAdapterNetDtlsDecrypt returns [%d]", ret);
274 else //both multicast and unicast
276 ca_mutex_lock(g_mutexAdapterServerContext);
278 if (g_adapterEthServerContext->packetReceivedCallback)
280 g_adapterEthServerContext->packetReceivedCallback(srcIPAddress, srcPort,
285 ca_mutex_unlock(g_mutexAdapterServerContext);
289 CAClearServerInfoList(tempServerInfoList);
291 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
294 static CAResult_t CACreateSocket(int *socketFD, const char *localIp, uint16_t *port,
297 VERIFY_NON_NULL(socketFD, IP_SERVER_TAG, "socketFD is NULL");
298 VERIFY_NON_NULL(localIp, IP_SERVER_TAG, "localIp is NULL");
299 VERIFY_NON_NULL(port, IP_SERVER_TAG, "port is NULL");
300 // Create a UDP socket
304 sock = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, IPPROTO_UDP);
309 sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
314 OIC_LOG_V(ERROR, IP_SERVER_TAG, "Failed to create Socket, Error code: %s",
316 return CA_STATUS_FAILED;
319 // Make the socket non-blocking
320 if (-1 == fcntl(sock, F_SETFL, O_NONBLOCK))
322 OIC_LOG_V(ERROR, IP_SERVER_TAG, "Failed to set non-block mode, Error code: %s",
326 return CA_STATUS_FAILED;
329 if (true == forceBindStart)
331 int setOptionOn = SOCKETOPTION;
332 if (-1 == setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *) &setOptionOn,
333 sizeof(setOptionOn)))
335 OIC_LOG_V(ERROR, IP_SERVER_TAG, "Failed to set SO_REUSEADDR! Error code: %s",
338 return CA_STATUS_FAILED;
342 struct sockaddr_in sockAddr = { 0 };
343 uint16_t serverPort = *port;
344 sockAddr.sin_family = AF_INET;
345 sockAddr.sin_port = htons(serverPort);
348 sockAddr.sin_addr.s_addr = inet_addr(localIp);
352 bool isBound = false;
353 for (i = 0; i < CA_UDP_BIND_RETRY_COUNT; i++)
355 if (-1 == bind(sock, (struct sockaddr *) &sockAddr, sizeof(sockAddr)))
357 if (false == forceBindStart)
359 OIC_LOG_V(ERROR, IP_SERVER_TAG, "Failed to bind socket[%s]. Trying again..",
362 //Set the port to next one
364 sockAddr.sin_port = htons(serverPort);
369 OIC_LOG_V(ERROR, IP_SERVER_TAG, "Failed to bind socket[%s]!",
379 if (false == isBound)
382 return CA_STATUS_FAILED;
390 static void CACloseSocket(int socketFD)
394 OIC_LOG(ERROR, IP_SERVER_TAG, "Invalid Socket Fd");
399 if (-1 == close(socketFD))
401 OIC_LOG_V(ERROR, IP_SERVER_TAG, "Failed to close the socket, Error code: %s\n",
406 static CAResult_t CAStartUnicastServer(const char *localAddress, uint16_t *port,
407 bool forceBindStart, bool isSecured, int *serverFD)
409 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
411 VERIFY_NON_NULL(serverFD, IP_SERVER_TAG, "serverFD");
412 VERIFY_NON_NULL(localAddress, IP_SERVER_TAG, "localAddress");
413 VERIFY_NON_NULL(port, IP_SERVER_TAG, "port");
415 CAResult_t ret = CACreateSocket(serverFD, localAddress, port, forceBindStart);
416 if (CA_STATUS_OK != ret)
418 OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to create unicast socket");
421 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
425 static CAResult_t CAIPStartPacketReceiverHandler()
427 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
429 ca_mutex_lock(g_mutexServerInfoList);
431 uint32_t listLength = u_arraylist_length(g_serverInfoList);
433 ca_mutex_unlock(g_mutexServerInfoList);
435 ca_mutex_lock(g_mutexAdapterServerContext);
437 if (!g_adapterEthServerContext)
439 OIC_LOG(ERROR, IP_SERVER_TAG, "g_adapterEthServerContext NULL");
440 ca_mutex_unlock(g_mutexAdapterServerContext);
441 return CA_STATUS_FAILED;
444 if (1 == listLength) //Its first time.
446 g_packetHandlerStopFlag = false;
447 if (CA_STATUS_OK != ca_thread_pool_add_task(g_adapterEthServerContext->threadPool,
448 CAReceiveHandler, NULL ))
450 OIC_LOG(ERROR, IP_SERVER_TAG, "thread_pool_add_task failed!");
451 ca_mutex_unlock(g_mutexAdapterServerContext);
452 return CA_STATUS_FAILED;
454 OIC_LOG(DEBUG, IP_SERVER_TAG, "CAReceiveHandler thread started successfully.");
458 OIC_LOG(DEBUG, IP_SERVER_TAG, "CAReceiveHandler thread already is running");
460 ca_mutex_unlock(g_mutexAdapterServerContext);
462 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
467 static void CAIPServerDestroyMutex(void)
469 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
471 if (g_mutexServerInfoList)
473 ca_mutex_free(g_mutexServerInfoList);
474 g_mutexServerInfoList = NULL;
477 if (g_mutexAdapterServerContext)
479 ca_mutex_free(g_mutexAdapterServerContext);
480 g_mutexAdapterServerContext = NULL;
483 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
486 static CAResult_t CAIPServerCreateMutex(void)
488 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
490 g_mutexServerInfoList = ca_mutex_new();
491 if (!g_mutexServerInfoList)
493 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
494 return CA_MEMORY_ALLOC_FAILED;
497 g_mutexAdapterServerContext = ca_mutex_new();
498 if (!g_mutexAdapterServerContext)
500 OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to created mutex!");
501 ca_mutex_free(g_mutexServerInfoList);
502 g_mutexServerInfoList = NULL;
503 return CA_MEMORY_ALLOC_FAILED;
506 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
510 CAResult_t CAIPInitializeServer(const ca_thread_pool_t threadPool)
512 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
515 VERIFY_NON_NULL(threadPool, IP_SERVER_TAG, "Thread pool handle is NULL");
518 if (CA_STATUS_OK != CAIPServerCreateMutex())
520 OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to create mutex!");
521 return CA_STATUS_FAILED;
524 ca_mutex_lock(g_mutexAdapterServerContext);
525 g_adapterEthServerContext = (CAAdapterIPServerContext_t *) OICCalloc(1,
526 sizeof(CAAdapterIPServerContext_t));
528 if (!g_adapterEthServerContext)
530 OIC_LOG(ERROR, IP_SERVER_TAG, "Malloc failed");
531 ca_mutex_unlock(g_mutexAdapterServerContext);
532 return CA_MEMORY_ALLOC_FAILED;
535 g_adapterEthServerContext->threadPool = threadPool;
537 ca_mutex_unlock(g_mutexAdapterServerContext);
539 ca_mutex_lock(g_mutexServerInfoList);
541 g_serverInfoList = u_arraylist_create();
542 if (!g_serverInfoList)
544 OIC_LOG(ERROR, IP_SERVER_TAG, "u_arraylist_create failed");
545 ca_mutex_unlock(g_mutexServerInfoList);
546 return CA_MEMORY_ALLOC_FAILED;
548 ca_mutex_unlock(g_mutexServerInfoList);
549 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
553 void CAIPTerminateServer()
555 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
556 ca_mutex_lock(g_mutexAdapterServerContext);
557 if (!g_adapterEthServerContext)
559 OIC_LOG(ERROR, IP_SERVER_TAG, "g_adapterEthServerContext NULL");
560 ca_mutex_unlock(g_mutexAdapterServerContext);
564 OICFree(g_adapterEthServerContext);
565 g_adapterEthServerContext = NULL;
567 ca_mutex_unlock(g_mutexAdapterServerContext);
569 ca_mutex_lock(g_mutexServerInfoList);
571 CAClearServerInfoList(g_serverInfoList);
572 g_serverInfoList = NULL;
574 ca_mutex_unlock(g_mutexServerInfoList);
576 CAIPServerDestroyMutex();
578 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
582 CAResult_t CAIPStartUnicastServer(const char *localAddress, uint16_t *port,
583 bool forceBindStart, bool isSecured)
585 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
588 VERIFY_NON_NULL(localAddress, IP_SERVER_TAG, "localAddress");
589 VERIFY_NON_NULL(port, IP_SERVER_TAG, "port");
593 OIC_LOG(ERROR, IP_SERVER_TAG, "Invalid input: port is invalid!");
594 return CA_STATUS_INVALID_PARAM;
597 ca_mutex_lock(g_mutexServerInfoList);
598 bool isUnicastServerStarted = CAIsUnicastServerStarted(g_serverInfoList, localAddress, *port);
599 if (!isUnicastServerStarted)
601 int unicastServerFd = -1;
602 if (CA_STATUS_OK != CAStartUnicastServer(localAddress, port, forceBindStart, isSecured,
605 OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to start unicast server!");
606 ca_mutex_unlock(g_mutexServerInfoList);
607 return CA_STATUS_FAILED;
610 CAServerInfo_t *info = (CAServerInfo_t *) OICCalloc(1, sizeof(CAServerInfo_t));
613 OIC_LOG(ERROR, IP_SERVER_TAG, "Malloc failed");
614 close(unicastServerFd);
615 ca_mutex_unlock(g_mutexServerInfoList);
616 return CA_MEMORY_ALLOC_FAILED;
619 char *netMask = NULL;
620 if (CA_STATUS_OK != CAIPGetInterfaceSubnetMask(localAddress, &netMask))
622 OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to get IP subnet");
626 strncpy(info->subNetMask, netMask, sizeof(info->subNetMask) - 1);
627 info->subNetMask[sizeof(info->subNetMask)-1] = '\0';
630 strncpy(info->ipAddress, localAddress, sizeof(info->ipAddress) - 1);
631 info->ipAddress[sizeof(info->ipAddress) - 1] = '\0';
633 info->socketFd = unicastServerFd;
634 info->isSecured = isSecured;
635 info->isServerStarted = true;
636 info->isMulticastServer = false;
637 strncpy(info->ifAddr, localAddress, sizeof(info->ifAddr) - 1);
638 info->ifAddr[sizeof(info->ifAddr) - 1] = '\0';
640 CAResult_t res = CAAddServerInfo(g_serverInfoList, info);
641 if (CA_STATUS_OK != res)
643 OIC_LOG(ERROR, IP_SERVER_TAG, "CAAddServerInfo failed!");
644 close(unicastServerFd);
645 ca_mutex_unlock(g_mutexServerInfoList);
648 ca_mutex_unlock(g_mutexServerInfoList);
650 res = CAIPStartPacketReceiverHandler();
651 if (CA_STATUS_OK != res)
653 OIC_LOG(ERROR, IP_SERVER_TAG, "CAIPStartPacketReceiverHandler failed!");
654 close(unicastServerFd);
660 OIC_LOG_V(DEBUG, IP_SERVER_TAG, "Already Unicast Server Started ip [%s] port [%d]",
661 localAddress, *port);
662 ca_mutex_unlock(g_mutexServerInfoList);
665 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
669 CAResult_t CAIPStartMulticastServer(const char *localAddress, const char *multicastAddress,
670 uint16_t multicastPort)
672 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
675 VERIFY_NON_NULL(localAddress, IP_SERVER_TAG, "localAddress");
676 VERIFY_NON_NULL(multicastAddress, IP_SERVER_TAG, "port");
678 uint16_t port = multicastPort;
681 OIC_LOG(ERROR, IP_SERVER_TAG, "Invalid input: Multicast port is invalid!");
682 return CA_STATUS_INVALID_PARAM;
685 ca_mutex_lock(g_mutexServerInfoList);
686 bool isMulticastServerStarted = CAIsMulticastServerStarted(g_serverInfoList, localAddress,
687 multicastAddress, port);
688 if (!isMulticastServerStarted)
690 int mulicastServerFd = -1;
691 CAResult_t ret = CACreateSocket(&mulicastServerFd, multicastAddress, &port, true);
692 if (ret != CA_STATUS_OK)
694 OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to create multicast socket");
695 ca_mutex_unlock(g_mutexServerInfoList);
699 struct ip_mreq multicastMemberReq = {.imr_interface.s_addr = inet_addr(localAddress)};
700 inet_aton(multicastAddress, &multicastMemberReq.imr_multiaddr);
702 if (-1 == setsockopt(mulicastServerFd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
703 (char *) &multicastMemberReq, sizeof(struct ip_mreq)))
705 OIC_LOG_V(ERROR, IP_SERVER_TAG,
706 "Failed to add to multicast group, Error code: %s\n", strerror(errno));
707 close(mulicastServerFd);
708 ca_mutex_unlock(g_mutexServerInfoList);
709 return CA_STATUS_FAILED;
712 CAServerInfo_t *info = (CAServerInfo_t *) OICCalloc(1, sizeof(CAServerInfo_t));
715 OIC_LOG(ERROR, IP_SERVER_TAG, "Malloc failed");
716 close(mulicastServerFd);
717 ca_mutex_unlock(g_mutexServerInfoList);
718 return CA_MEMORY_ALLOC_FAILED;
721 char *netMask = NULL;
722 if (CA_STATUS_OK != CAIPGetInterfaceSubnetMask(localAddress, &netMask))
724 OIC_LOG(ERROR, IP_SERVER_TAG, "Failed to get IP subnet");
728 strncpy(info->subNetMask, netMask, sizeof(info->subNetMask) - 1);
729 info->subNetMask[sizeof(info->subNetMask) -1] = '\0';
733 strncpy(info->ipAddress, multicastAddress, sizeof(info->ipAddress) - 1);
734 info->ipAddress[sizeof(info->ipAddress) -1] = '\0';
735 info->port = multicastPort;
736 info->socketFd = mulicastServerFd;
737 info->isSecured = false;
738 info->isServerStarted = true;
739 info->isMulticastServer = true;
740 strncpy(info->ifAddr, localAddress, sizeof(info->ifAddr)-1);
741 info->ifAddr[sizeof(info->ifAddr) -1] = '\0';
743 ret = CAAddServerInfo(g_serverInfoList, info);
745 if (CA_STATUS_OK != ret)
747 OIC_LOG(ERROR, IP_SERVER_TAG, "CAAddServerInfo failed!");
748 close(mulicastServerFd);
749 ca_mutex_unlock(g_mutexServerInfoList);
752 ca_mutex_unlock(g_mutexServerInfoList);
754 ret = CAIPStartPacketReceiverHandler();
755 if (CA_STATUS_OK != ret)
757 OIC_LOG(ERROR, IP_SERVER_TAG, "CAIPStartPacketReceiverHandler failed!");
758 close(mulicastServerFd);
764 OIC_LOG_V(DEBUG, IP_SERVER_TAG,
765 "Multicast Server is already started on interface addr[%s]", localAddress);
766 ca_mutex_unlock(g_mutexServerInfoList);
769 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
773 CAResult_t CAIPStopServer(const char *interfaceAddress)
775 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
777 VERIFY_NON_NULL(interfaceAddress, IP_SERVER_TAG, "interfaceAddress is NULL");
779 ca_mutex_lock(g_mutexServerInfoList);
780 uint32_t listIndex = 0;
781 uint32_t listLength = u_arraylist_length(g_serverInfoList);
783 for (listIndex = 0; listIndex < listLength;)
785 CAServerInfo_t *info = (CAServerInfo_t *) u_arraylist_get(g_serverInfoList, listIndex);
792 if (info->isMulticastServer && strncmp(interfaceAddress, info->ifAddr, strlen(info->ifAddr))
795 if (u_arraylist_remove(g_serverInfoList, listIndex))
797 struct ip_mreq multicastMemberReq = { { 0 }, { 0 } };
799 multicastMemberReq.imr_interface.s_addr = inet_addr(info->ifAddr);
800 inet_aton(info->ipAddress, &multicastMemberReq.imr_multiaddr);
801 if (-1 == setsockopt(info->socketFd, IPPROTO_IP, IP_DROP_MEMBERSHIP,
802 (char *) &multicastMemberReq, sizeof(struct ip_mreq)))
804 OIC_LOG_V(ERROR, IP_SERVER_TAG,
805 "Failed to leave multicast group, Error code: %s", strerror(errno));
807 CACloseSocket(info->socketFd);
809 OIC_LOG(DEBUG, IP_SERVER_TAG, "Multicast server is stopped successfully.");
810 // Reduce list length by 1 as we removed one element.
815 OIC_LOG(ERROR, IP_SERVER_TAG, "u_arraylist_remove failed.");
816 ca_mutex_unlock(g_mutexServerInfoList);
817 return CA_STATUS_FAILED;
820 else if (strncmp(interfaceAddress, info->ipAddress, strlen(info->ipAddress)) == 0)
822 if (u_arraylist_remove(g_serverInfoList, listIndex))
824 CACloseSocket(info->socketFd);
826 OIC_LOG(DEBUG, IP_SERVER_TAG, "Unicast server is stopped successfully.");
827 // Reduce list length by 1 as we removed one element.
832 OIC_LOG(ERROR, IP_SERVER_TAG, "u_arraylist_remove failed.");
833 ca_mutex_unlock(g_mutexServerInfoList);
834 return CA_STATUS_FAILED;
843 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
844 ca_mutex_unlock(g_mutexServerInfoList);
848 CAResult_t CAIPStopAllServers()
850 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
852 g_packetHandlerStopFlag = true;
854 ca_mutex_lock(g_mutexServerInfoList);
856 uint32_t listIndex = 0;
857 uint32_t listLength = u_arraylist_length(g_serverInfoList);
858 for (listIndex = 0; listIndex < listLength;)
860 CAServerInfo_t *info = (CAServerInfo_t *) u_arraylist_get(g_serverInfoList, listIndex);
866 if (u_arraylist_remove(g_serverInfoList, listIndex))
868 if (info->isMulticastServer)
870 struct ip_mreq multicastMemberReq = { { 0 }, { 0 } };
872 multicastMemberReq.imr_interface.s_addr = inet_addr(info->ifAddr);
873 inet_aton(info->ipAddress, &multicastMemberReq.imr_multiaddr);
874 if (-1 == setsockopt(info->socketFd, IPPROTO_IP, IP_DROP_MEMBERSHIP,
875 (char *) &multicastMemberReq, sizeof(struct ip_mreq)))
877 OIC_LOG_V(ERROR, IP_SERVER_TAG,
878 "Failed to leave multicast group, Error code: %s", strerror(errno));
881 CACloseSocket(info->socketFd);
882 //Freeing server info.
884 // Reduce list length by 1 as we removed one element.
889 OIC_LOG(ERROR, IP_SERVER_TAG, "u_arraylist_remove failed.");
890 ca_mutex_unlock(g_mutexServerInfoList);
891 return CA_STATUS_FAILED;
895 ca_mutex_unlock(g_mutexServerInfoList);
897 OIC_LOG(DEBUG, IP_SERVER_TAG, "All Server stopped successfully. OUT");
901 uint16_t CAGetServerPortNum(const char *ipAddress, bool isSecured)
903 ca_mutex_lock(g_mutexServerInfoList);
905 uint16_t port = CAGetServerPort(g_serverInfoList, ipAddress, isSecured);
907 ca_mutex_unlock(g_mutexServerInfoList);
912 CAResult_t CAGetIPServerInfoList(u_arraylist_t **serverInfoList)
914 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
915 ca_mutex_lock(g_mutexServerInfoList);
917 uint32_t list_index = 0;
918 uint32_t list_length = u_arraylist_length(g_serverInfoList);
919 for (list_index = 0; list_index < list_length; list_index++)
921 CAServerInfo_t *info = (CAServerInfo_t *) u_arraylist_get(g_serverInfoList, list_index);
927 CAServerInfo_t *newNetinfo = (CAServerInfo_t *) OICMalloc(sizeof(CAServerInfo_t));
930 OIC_LOG(ERROR, IP_SERVER_TAG, "Malloc failed!");
931 ca_mutex_unlock(g_mutexServerInfoList);
932 return CA_MEMORY_ALLOC_FAILED;
935 memcpy(newNetinfo, info, sizeof(*info));
937 CAResult_t result = u_arraylist_add(*serverInfoList, (void *) newNetinfo);
938 if (CA_STATUS_OK != result)
940 OIC_LOG(ERROR, IP_SERVER_TAG, "u_arraylist_add failed!");
941 ca_mutex_unlock(g_mutexServerInfoList);
942 return CA_STATUS_FAILED;
945 ca_mutex_unlock(g_mutexServerInfoList);
946 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
950 void CAIPSetPacketReceiveCallback(CAIPPacketReceivedCallback callback)
952 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
954 ca_mutex_lock(g_mutexAdapterServerContext);
956 if (!g_adapterEthServerContext)
958 OIC_LOG(ERROR, IP_SERVER_TAG, "g_adapterEthServerContext NULL");
959 ca_mutex_unlock(g_mutexAdapterServerContext);
962 g_adapterEthServerContext->packetReceivedCallback = callback;
964 ca_mutex_unlock(g_mutexAdapterServerContext);
966 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");
969 void CAIPSetExceptionCallback(CAIPExceptionCallback callback)
971 OIC_LOG(DEBUG, IP_SERVER_TAG, "IN");
972 ca_mutex_lock(g_mutexAdapterServerContext);
974 if (!g_adapterEthServerContext)
976 OIC_LOG(ERROR, IP_SERVER_TAG, "g_adapterEthServerContext NULL");
977 ca_mutex_unlock(g_mutexAdapterServerContext);
980 g_adapterEthServerContext->exceptionCallback = callback;
982 ca_mutex_unlock(g_mutexAdapterServerContext);
984 OIC_LOG(DEBUG, IP_SERVER_TAG, "OUT");