#include <unistd.h>
#include "caadapterutils.h"
-#include "camutex.h"
#include "logger.h"
#include "oic_malloc.h"
#include "oic_string.h"
-#define IP_MONITOR_TAG "IP_MONITOR"
+#define TAG "IP_MONITOR"
-/**
- * @var g_networkMonitorContextMutex
- * @brief Mutex for synchronizing access to cached interface and IP address information.
- */
-static ca_mutex g_networkMonitorContextMutex = NULL;
-
-/**
- * @var g_stopNetworkMonitor
- * @brief Used to stop the network monitor thread.
- */
-static bool g_stopNetworkMonitor = false;
-
-/**
- * @var g_stopNetworkMonitorMutex
- * @brief Mutex for synchronizing access to g_stopNetworkMonitor flag.
- */
-static ca_mutex g_stopNetworkMonitorMutex = NULL;
-
-/**
- * @struct CAIPNwMonitorContext
- * @brief Used for storing network monitor context information.
- */
-typedef struct
+u_arraylist_t *CAIPGetInterfaceInformation(int desiredIndex)
{
- u_arraylist_t *netInterfaceList;
- ca_thread_pool_t threadPool;
- CANetworkStatus_t nwConnectivityStatus;
- CAIPConnectionStateChangeCallback networkChangeCb;
-} CAIPNetworkMonitorContext;
-
-/**
- * @var g_networkMonitorContext
- * @brief network monitor context.
- */
-static CAIPNetworkMonitorContext *g_networkMonitorContext = NULL;
-
-static void CAIPGetInterfaceInformation(u_arraylist_t **netInterfaceList)
-{
-
- VERIFY_NON_NULL_VOID(netInterfaceList, IP_MONITOR_TAG, "netInterfaceList is null");
+ u_arraylist_t *iflist = u_arraylist_create();
+ if (!iflist)
+ {
+ OIC_LOG_V(ERROR, TAG, "Failed to create iflist: %s", strerror(errno));
+ return NULL;
+ }
struct ifaddrs *ifp = NULL;
if (-1 == getifaddrs(&ifp))
{
- OIC_LOG_V(ERROR, IP_MONITOR_TAG, "Failed to get interface list!, Error code: %s",
- strerror(errno));
- return;
+ OIC_LOG_V(ERROR, TAG, "Failed to get ifaddrs: %s", strerror(errno));
+ u_arraylist_destroy(iflist);
+ return NULL;
}
+ OIC_LOG(DEBUG, TAG, "Got ifaddrs");
struct ifaddrs *ifa = NULL;
for (ifa = ifp; ifa; ifa = ifa->ifa_next)
{
- char interfaceAddress[CA_IPADDR_SIZE] = {0};
- char interfaceSubnetMask[CA_IPADDR_SIZE] = {0};
- socklen_t len = sizeof(struct sockaddr_in);
-
- if (!ifa->ifa_addr)
- {
- continue;
- }
-
- int type = ifa->ifa_addr->sa_family;
- if (ifa->ifa_flags & IFF_LOOPBACK
- || !((ifa->ifa_flags & IFF_UP) && (ifa->ifa_flags & IFF_RUNNING)))
+ int family = ifa->ifa_addr->sa_family;
+ if ((ifa->ifa_flags & IFF_LOOPBACK) || (AF_INET != family && AF_INET6 != family))
{
continue;
}
- if (AF_INET != type)
+ int ifindex = if_nametoindex(ifa->ifa_name);
+ if (desiredIndex && (ifindex != desiredIndex))
{
continue;
}
- // get the interface ip address
- if (0 != getnameinfo(ifa->ifa_addr, len, interfaceAddress,
- sizeof(interfaceAddress), NULL, 0, NI_NUMERICHOST))
- {
- OIC_LOG_V(ERROR, IP_MONITOR_TAG, "Failed to get IPAddress, Error code: %s",
- strerror(errno));
- continue;
- }
-
- // get the interface subnet mask
- if (0 != getnameinfo(ifa->ifa_netmask, len, interfaceSubnetMask,
- sizeof(interfaceSubnetMask), NULL, 0, NI_NUMERICHOST))
- {
- OIC_LOG_V(ERROR, IP_MONITOR_TAG, "Failed to get subnet mask, Error code: %s",
- strerror(errno));
- continue;
- }
-
- CANetInfo_t *netInfo = (CANetInfo_t *)OICCalloc(1, sizeof(CANetInfo_t));
- if (!netInfo)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Malloc failed");
- freeifaddrs(ifp);
- return;
- }
- // set interface name
- strncpy(netInfo->interfaceName, ifa->ifa_name, sizeof(netInfo->interfaceName) - 1);
- netInfo->interfaceName[sizeof(netInfo->interfaceName)-1] = '\0';
-
- // set local ip address
- strncpy(netInfo->ipAddress, interfaceAddress, strlen(interfaceAddress));
-
- // set subnet mask
- strncpy(netInfo->subnetMask, interfaceSubnetMask, strlen(interfaceSubnetMask));
-
- CAResult_t result = u_arraylist_add(*netInterfaceList, (void *)netInfo);
- if (CA_STATUS_OK != result)
+ int length = u_arraylist_length(iflist);
+ int already = false;
+ for (int i = length-1; i >= 0; i--)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_add failed!Thread exiting.");
- freeifaddrs(ifp);
- return;
- }
- }
-
- freeifaddrs(ifp);
-}
-
-static bool CACheckIsAnyInterfaceDown(const u_arraylist_t *netInterfaceList,
- const CANetInfo_t *info)
-{
- VERIFY_NON_NULL_RET(netInterfaceList, IP_MONITOR_TAG, "netInterfaceList is null", false);
- VERIFY_NON_NULL_RET(info, IP_MONITOR_TAG, "info is null", false);
-
- uint32_t list_index = 0;
- uint32_t list_length = u_arraylist_length(netInterfaceList);
- for (list_index = 0; list_index < list_length; list_index++)
- {
- CANetInfo_t *netInfo = (CANetInfo_t *)u_arraylist_get(netInterfaceList,
- list_index);
- if (!netInfo)
- {
- continue;
- }
- if (strncmp(netInfo->interfaceName, info->interfaceName, strlen(info->interfaceName)) == 0)
- {
- return false;
- }
- }
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Interface is down");
- return true;
-}
-
-static bool CACheckIsInterfaceInfoChanged(const CANetInfo_t *info)
-{
- VERIFY_NON_NULL_RET(info, IP_MONITOR_TAG, "info is null", false);
-
- ca_mutex_lock(g_networkMonitorContextMutex);
- uint32_t list_index = 0;
- uint32_t list_length = u_arraylist_length(g_networkMonitorContext->netInterfaceList);
- for (list_index = 0; list_index < list_length; list_index++)
- {
- CANetInfo_t *netInfo = (CANetInfo_t *)u_arraylist_get(
- g_networkMonitorContext->netInterfaceList, list_index);
- if (!netInfo)
- {
- continue;
- }
- if (strncmp(netInfo->interfaceName, info->interfaceName, strlen(info->interfaceName)) == 0)
- {
- if (strncmp(netInfo->ipAddress, info->ipAddress, strlen(info->ipAddress)) == 0)
+ CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
+ if (ifitem->index == ifindex && ifitem->family == family)
{
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return false;
- }
- else
- {
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Network interface info changed");
- if (u_arraylist_remove(g_networkMonitorContext->netInterfaceList, list_index))
- {
- if (g_networkMonitorContext->networkChangeCb)
- {
- g_networkMonitorContext->networkChangeCb(netInfo->ipAddress,
- CA_INTERFACE_DOWN);
- }
- OICFree(netInfo);
- }
- else
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_remove failed");
- }
+ already = true;
break;
}
}
- }
-
- CANetInfo_t *newNetInfo = (CANetInfo_t *)OICMalloc(sizeof(CANetInfo_t));
- if (!newNetInfo)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "newNetInfo malloc failed");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return false;
- }
- memcpy(newNetInfo, info, sizeof(*newNetInfo));
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "New Interface found");
-
- CAResult_t result = u_arraylist_add(g_networkMonitorContext->netInterfaceList,
- (void *)newNetInfo);
- if (CA_STATUS_OK != result)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_add failed!");
- OICFree(newNetInfo);
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return false;
- }
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- /*Callback will be unset only at the time of termination. By that time, all the threads will be
- stopped gracefully. This callback is properly protected*/
- if (g_networkMonitorContext->networkChangeCb)
- {
- g_networkMonitorContext->networkChangeCb(newNetInfo->ipAddress, CA_INTERFACE_UP);
- }
-
- return true;
-}
-
-static void CANetworkMonitorThread(void *threadData)
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- while (!g_stopNetworkMonitor)
- {
- u_arraylist_t *netInterfaceList = u_arraylist_create();
-
- VERIFY_NON_NULL_VOID(netInterfaceList, IP_MONITOR_TAG, "netInterfaceList is null");
-
- CAIPGetInterfaceInformation(&netInterfaceList);
-
- ca_mutex_lock(g_networkMonitorContextMutex);
- if (!g_networkMonitorContext->netInterfaceList)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG,
- "u_arraylist_create failed. Network Monitor thread stopped");
- CAClearNetInterfaceInfoList(netInterfaceList);
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return;
- }
-
- uint32_t listIndex = 0;
- uint32_t listLength = u_arraylist_length(g_networkMonitorContext->netInterfaceList);
- for (listIndex = 0; listIndex < listLength;)
- {
- CANetInfo_t *info = (CANetInfo_t *)u_arraylist_get(
- g_networkMonitorContext->netInterfaceList, listIndex);
- if (!info)
- {
- listIndex++;
- continue;
- }
-
- bool ret = CACheckIsAnyInterfaceDown(netInterfaceList, info);
- if (ret)
- {
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Interface is down");
- if (u_arraylist_remove(g_networkMonitorContext->netInterfaceList, listIndex))
- {
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "u_arraylist_remove success");
- if (g_networkMonitorContext->networkChangeCb)
- {
- g_networkMonitorContext->networkChangeCb(info->ipAddress,
- CA_INTERFACE_DOWN);
- }
- OICFree(info);
- listLength--;
- }
- else
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_remove failed");
- break;
- }
- }
- else
- {
- listIndex++;
- }
- }
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- listLength = u_arraylist_length(netInterfaceList);
- for (listIndex = 0; listIndex < listLength; listIndex++)
- {
- CANetInfo_t *info = (CANetInfo_t *)u_arraylist_get(netInterfaceList, listIndex);
- if (!info)
- {
- continue;
- }
- bool ret = CACheckIsInterfaceInfoChanged(info);
- if (ret)
- {
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "CACheckIsInterfaceInfoChanged true");
- }
- }
- CAClearNetInterfaceInfoList(netInterfaceList);
- sleep(2); // To avoid maximum cpu usage.
- }
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
-}
-
-static CAResult_t CAInitializeNetworkMonitorMutexes()
-{
- if (!g_networkMonitorContextMutex)
- {
- g_networkMonitorContextMutex = ca_mutex_new();
- if (!g_networkMonitorContextMutex)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "g_networkMonitorContextMutex Malloc failed");
- return CA_MEMORY_ALLOC_FAILED;
- }
- }
-
- if (!g_stopNetworkMonitorMutex)
- {
- g_stopNetworkMonitorMutex = ca_mutex_new();
- if (!g_stopNetworkMonitorMutex)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "g_stopNetworkMonitorMutex Malloc failed");
- ca_mutex_free(g_networkMonitorContextMutex);
- return CA_MEMORY_ALLOC_FAILED;
- }
- }
- return CA_STATUS_OK;
-}
-static void CADestroyNetworkMonitorMutexes()
-{
- ca_mutex_free(g_networkMonitorContextMutex);
- g_networkMonitorContextMutex = NULL;
-
- ca_mutex_free(g_stopNetworkMonitorMutex);
- g_stopNetworkMonitorMutex = NULL;
-}
-
-CAResult_t CAIPInitializeNetworkMonitor(const ca_thread_pool_t threadPool)
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- VERIFY_NON_NULL(threadPool, IP_MONITOR_TAG, "threadPool is null");
-
- CAResult_t ret = CAInitializeNetworkMonitorMutexes();
-
- if (CA_STATUS_OK != ret)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "CAInitializeNetworkMonitorMutexes failed");
- return CA_STATUS_FAILED;
- }
-
- ca_mutex_lock(g_networkMonitorContextMutex);
-
- g_networkMonitorContext = (CAIPNetworkMonitorContext *)OICCalloc(1,
- sizeof(*g_networkMonitorContext));
- if (!g_networkMonitorContext)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "g_networkMonitorContext Malloc failed");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- CADestroyNetworkMonitorMutexes();
- return CA_MEMORY_ALLOC_FAILED;
- }
- g_networkMonitorContext->threadPool = threadPool;
-
- g_networkMonitorContext->netInterfaceList = u_arraylist_create();
- if (!g_networkMonitorContext->netInterfaceList)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_create failed");
- OICFree(g_networkMonitorContext);
- ca_mutex_unlock(g_networkMonitorContextMutex);
- CADestroyNetworkMonitorMutexes();
- return CA_MEMORY_ALLOC_FAILED;
- }
-
- CAIPGetInterfaceInformation(&g_networkMonitorContext->netInterfaceList);
-
-
- if (u_arraylist_length(g_networkMonitorContext->netInterfaceList))
- {
- g_networkMonitorContext->nwConnectivityStatus = CA_INTERFACE_UP;
- }
- else
- {
- g_networkMonitorContext->nwConnectivityStatus = CA_INTERFACE_DOWN;
- }
-
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
-}
-
-void CAIPTerminateNetworkMonitor()
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- ca_mutex_lock(g_networkMonitorContextMutex);
- g_networkMonitorContext->threadPool = NULL;
-
- CAClearNetInterfaceInfoList(g_networkMonitorContext->netInterfaceList);
-
- g_networkMonitorContext->netInterfaceList = NULL;
- g_networkMonitorContext->nwConnectivityStatus = CA_INTERFACE_DOWN;
- g_networkMonitorContext->networkChangeCb = NULL;
- g_networkMonitorContext->threadPool = NULL;
-
- OICFree(g_networkMonitorContext);
- g_networkMonitorContext = NULL;
-
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- ca_mutex_lock(g_stopNetworkMonitorMutex);
- g_stopNetworkMonitor = true;
- ca_mutex_unlock(g_stopNetworkMonitorMutex);
-
- CADestroyNetworkMonitorMutexes();
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
-}
-
-CAResult_t CAIPStartNetworkMonitor()
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- ca_mutex_lock(g_stopNetworkMonitorMutex);
-
- g_stopNetworkMonitor = false;
-
- ca_mutex_unlock(g_stopNetworkMonitorMutex);
-
- ca_mutex_lock(g_networkMonitorContextMutex);
-
- if (!g_networkMonitorContext)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "g_networkMonitorContext is null");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_STATUS_FAILED;
- }
-
- if (CA_STATUS_OK != ca_thread_pool_add_task(g_networkMonitorContext->threadPool,
- CANetworkMonitorThread, NULL))
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "[ThreadPool] thread_pool_add_task failed!");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_STATUS_FAILED;
- }
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
-}
-
-CAResult_t CAIPStopNetworkMonitor()
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- ca_mutex_lock(g_networkMonitorContextMutex);
- if (!g_networkMonitorContext)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "g_networkMonitorContext is null");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_STATUS_FAILED;
- }
-
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- ca_mutex_lock(g_stopNetworkMonitorMutex);
- if (!g_stopNetworkMonitor)
- {
- g_stopNetworkMonitor = true;
- }
- else
- {
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "CAIPStopNetworkMonitor, already stopped!");
- }
- ca_mutex_unlock(g_stopNetworkMonitorMutex);
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
-}
-
-CAResult_t CAIPGetInterfaceInfo(u_arraylist_t **netInterfaceList)
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- VERIFY_NON_NULL(netInterfaceList, IP_MONITOR_TAG, "u_array_list is null");
- VERIFY_NON_NULL(g_networkMonitorContext, IP_MONITOR_TAG,
- "g_networkMonitorContext is null");
- VERIFY_NON_NULL(g_networkMonitorContextMutex, IP_MONITOR_TAG,
- "g_networkMonitorContextMutex is null");
-
- // Get the interface and ipaddress information from cache
- ca_mutex_lock(g_networkMonitorContextMutex);
- if (!g_networkMonitorContext->netInterfaceList
- || !(u_arraylist_length(g_networkMonitorContext->netInterfaceList)))
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Network not enabled");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_ADAPTER_NOT_ENABLED;
- }
-
- uint32_t list_index = 0;
- uint32_t list_length = u_arraylist_length(g_networkMonitorContext->netInterfaceList);
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG, "CAIPGetInterfaceInfo list length [%d]",
- list_length);
- for (list_index = 0; list_index < list_length; list_index++)
- {
- CANetInfo_t *info = (CANetInfo_t *)u_arraylist_get(
- g_networkMonitorContext->netInterfaceList, list_index);
- if (!info)
+ if (already)
{
continue;
}
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG, "CAIPGetInterfaceInfo ip [%s]",
- info->ipAddress);
- CANetInfo_t *newNetinfo = (CANetInfo_t *) OICMalloc(sizeof(CANetInfo_t));
- if (!newNetinfo)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Malloc failed!");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_MEMORY_ALLOC_FAILED;
- }
-
- memcpy(newNetinfo, info, sizeof(*info));
- CAResult_t result = u_arraylist_add(*netInterfaceList, (void *)newNetinfo);
- if (CA_STATUS_OK != result)
+ CAInterface_t *ifitem = (CAInterface_t *)OICCalloc(1, sizeof(CAInterface_t));
+ if (!ifitem)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_add failed!");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_STATUS_FAILED;
+ OIC_LOG(ERROR, TAG, "Malloc failed");
+ goto exit;
}
- }
-
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
-}
-
-CAResult_t CAIPGetInterfaceSubnetMask(const char *ipAddress, char **subnetMask)
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
- VERIFY_NON_NULL(subnetMask, IP_MONITOR_TAG, "subnet mask");
- VERIFY_NON_NULL(ipAddress, IP_MONITOR_TAG, "ipAddress is null");
- VERIFY_NON_NULL(g_networkMonitorContext, IP_MONITOR_TAG,
- "g_networkMonitorContext is null");
- VERIFY_NON_NULL(g_networkMonitorContextMutex, IP_MONITOR_TAG,
- "g_networkMonitorContextMutex is null");
+ OICStrcpy(ifitem->name, INTERFACE_NAME_MAX, ifa->ifa_name);
+ ifitem->index = ifindex;
+ ifitem->family = family;
+ ifitem->ipv4addr = ((struct sockaddr_in *)(ifa->ifa_addr))->sin_addr.s_addr;
+ ifitem->flags = ifa->ifa_flags;
- // Get the interface and ipaddress information from cache
- ca_mutex_lock(g_networkMonitorContextMutex);
- if (!g_networkMonitorContext->netInterfaceList
- || (0 == u_arraylist_length(g_networkMonitorContext->netInterfaceList)))
- {
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Network not enabled");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_ADAPTER_NOT_ENABLED;
- }
-
- uint32_t list_index = 0;
- uint32_t list_length = u_arraylist_length(g_networkMonitorContext->netInterfaceList);
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG, "list lenght [%d]", list_length);
- for (list_index = 0; list_index < list_length; list_index++)
- {
- CANetInfo_t *info = (CANetInfo_t *)u_arraylist_get(
- g_networkMonitorContext->netInterfaceList, list_index);
- if (!info)
- {
- continue;
- }
-
- if (strncmp(info->ipAddress, ipAddress, strlen(ipAddress)) == 0)
+ CAResult_t result = u_arraylist_add(iflist, ifitem);
+ if (CA_STATUS_OK != result)
{
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG,
- "CAIPGetInterfaceSubnetMask subnetmask is %s", info->subnetMask);
- *subnetMask = OICStrdup(info->subnetMask);
- break;
+ OIC_LOG(ERROR, TAG, "u_arraylist_add failed.");
+ goto exit;
}
- }
- ca_mutex_unlock(g_networkMonitorContextMutex);
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
-}
-
-bool CAIPIsConnected()
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
- if (!g_networkMonitorContextMutex || !g_networkMonitorContext)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "IP is not connected");
- return false;
+ OIC_LOG_V(ERROR, TAG, "Added interface: %s (%d)", ifitem->name, family);
}
- ca_mutex_lock(g_networkMonitorContextMutex);
- if (0 == u_arraylist_length(g_networkMonitorContext->netInterfaceList))
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "IP is not connected");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return false;
- }
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return true;
-}
-
-void CAIPSetConnectionStateChangeCallback(CAIPConnectionStateChangeCallback callback)
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
- if (!g_networkMonitorContextMutex || !g_networkMonitorContext)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "CAIPSetConnectionStateChangeCallback failed");
- return;
- }
- ca_mutex_lock(g_networkMonitorContextMutex);
-
- g_networkMonitorContext->networkChangeCb = callback;
-
- ca_mutex_unlock(g_networkMonitorContextMutex);
+ freeifaddrs(ifp);
+ return iflist;
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
+exit:
+ freeifaddrs(ifp);
+ u_arraylist_destroy(iflist);
+ return NULL;
}
-