*
******************************************************************/
-#include "caipinterface.h"
-
-#include <wifi.h>
+#include <sys/types.h>
+#include <ifaddrs.h>
+#include <net/if.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <net_connection.h>
+#include "caipinterface.h"
+#include "caipnwmonitor.h"
#include "caadapterutils.h"
-#include "camutex.h"
#include "logger.h"
#include "oic_malloc.h"
#include "oic_string.h"
+#include <coap/utlist.h>
-#define IP_MONITOR_TAG "IP_MONITOR"
+#define TAG "OIC_CA_IP_MONITOR"
+#define MAX_INTERFACE_INFO_LENGTH (1024)
+#define NETLINK_MESSAGE_LENGTH (4096)
+#define IFC_LABEL_LOOP "lo"
+#define IFC_ADDR_LOOP_IPV4 "127.0.0.1"
+#define IFC_ADDR_LOOP_IPV6 "::1"
/**
- * @var g_networkMonitorContextMutex
- * @brief Mutex for synchronizing access to cached interface and IP address information.
+ * Used to storing a connection handle for managing data connections.
*/
-static ca_mutex g_networkMonitorContextMutex = NULL;
+static connection_h connection = NULL;
/**
- * @struct CAIPNwMonitorContext
- * @brief Used for storing network monitor context information.
+ * Used to storing adapter changes callback interface.
*/
-typedef struct
-{
- u_arraylist_t *netInterfaceList;
- ca_thread_pool_t threadPool;
- CANetworkStatus_t nwConnectivityStatus;
- CAIPConnectionStateChangeCallback networkChangeCb;
-} CAIPNetworkMonitorContext;
+static struct CAIPCBData_t *g_adapterCallbackList = NULL;
/**
- * @var g_networkMonitorContext
- * @brief network monitor context.
+ * Create new interface item.
*/
-static CAIPNetworkMonitorContext *g_networkMonitorContext = NULL;
-
-static void CARemoveInterfaceInfo()
-{
- ca_mutex_lock(g_networkMonitorContextMutex);
- if (!g_networkMonitorContext->netInterfaceList)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG,
- "netInterfaceList is empty");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return;
- }
-
- 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;
- }
+static CAInterface_t *CANewInterfaceItem(int index, char *name, int family,
+ const char *addr, int flags);
- if (u_arraylist_remove(g_networkMonitorContext->netInterfaceList, list_index))
- {
- if (g_networkMonitorContext->networkChangeCb)
- {
- g_networkMonitorContext->networkChangeCb(netInfo->ipAddress,
- CA_INTERFACE_DOWN);
- }
- }
- else
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_remove failed");
- }
+/**
+ * Add new network interface in list.
+ */
+static CAResult_t CAAddInterfaceItem(u_arraylist_t *iflist, int index,
+ char *name, int family, const char *addr, int flags);
- OICFree(netInfo);
- }
+/**
+ * Pass the changed network status through the stored callback.
+ */
+static void CAIPPassNetworkChangesToAdapter(CANetworkStatus_t status);
- u_arraylist_free(&g_networkMonitorContext->netInterfaceList);
+/**
+ * Callback function to received connection state changes.
+ */
+static void CAIPConnectionStateChangedCb(connection_type_e type, void* userData);
- ca_mutex_unlock(g_networkMonitorContextMutex);
+int CAGetPollingInterval(int interval)
+{
+ return interval;
}
-static bool CACheckIsInterfaceInfoChanged(const CANetInfo_t *info)
+static void CAIPPassNetworkChangesToAdapter(CANetworkStatus_t status)
{
- 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++)
+ CAIPCBData_t *cbitem = NULL;
+ LL_FOREACH(g_adapterCallbackList, cbitem)
{
- CANetInfo_t *netInfo = (CANetInfo_t *)u_arraylist_get(
- g_networkMonitorContext->netInterfaceList, list_index);
- if (!netInfo)
+ if (cbitem && cbitem->adapter)
{
- continue;
+ cbitem->callback(cbitem->adapter, status);
}
-
- if (strncmp(netInfo->interfaceName, info->interfaceName, strlen(info->interfaceName)) == 0)
- {
- if (strncmp(netInfo->ipAddress, info->ipAddress, strlen(info->ipAddress)) == 0)
- {
- 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");
- }
- 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;
}
- *newNetInfo = *info;
-
- 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;
}
-void CAWiFiGetInterfaceInformation(char **interfaceName, char **ipAddress, char **subnetMask)
+CAResult_t CAIPSetNetworkMonitorCallback(CAIPAdapterStateChangeCallback callback,
+ CATransportAdapter_t adapter)
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- int ret = WIFI_ERROR_NONE;
-
- if (!interfaceName || !ipAddress || !subnetMask)
+ if (!callback)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Invalid input: interface/ipaddress holder is NULL!");
- return;
+ OIC_LOG(ERROR, TAG, "callback is null");
+ return CA_STATUS_INVALID_PARAM;
}
- // Get wifi interface name
- if (WIFI_ERROR_NONE != (ret = wifi_get_network_interface_name(interfaceName)))
+ CAIPCBData_t *cbitem = NULL;
+ LL_FOREACH(g_adapterCallbackList, cbitem)
{
- OIC_LOG_V(ERROR, IP_MONITOR_TAG, "Failed to get interface name! error num [%d]", ret);
- return;
+ if (cbitem && adapter == cbitem->adapter && callback == cbitem->callback)
+ {
+ OIC_LOG(DEBUG, TAG, "this callback is already added");
+ return CA_STATUS_OK;
+ }
}
- // Get wifi connected IP address
- wifi_ap_h accessPoint = NULL;
- if (WIFI_ERROR_NONE != (ret = wifi_get_connected_ap(&accessPoint)))
+ cbitem = (CAIPCBData_t *)OICCalloc(1, sizeof(*cbitem));
+ if (!cbitem)
{
- OIC_LOG_V(ERROR, IP_MONITOR_TAG, "Failed to get access point! error num [%d]",
- ret);
-
- OICFree(*interfaceName);
- *interfaceName = NULL;
- return;
+ OIC_LOG(ERROR, TAG, "Malloc failed");
+ return CA_STATUS_FAILED;
}
- if (WIFI_ERROR_NONE != (ret = wifi_ap_get_ip_address(accessPoint, WIFI_ADDRESS_FAMILY_IPV4,
- ipAddress)))
- {
- OIC_LOG_V(ERROR, IP_MONITOR_TAG, "Failed to get interface address! error num [%d]",
- ret);
- OICFree(*interfaceName);
- *interfaceName = NULL;
- return;
- }
+ cbitem->adapter = adapter;
+ cbitem->callback = callback;
+ LL_APPEND(g_adapterCallbackList, cbitem);
- if (WIFI_ERROR_NONE != (ret = wifi_ap_get_subnet_mask(accessPoint, WIFI_ADDRESS_FAMILY_IPV4,
- subnetMask)))
- {
- OIC_LOG_V(ERROR, IP_MONITOR_TAG, "Failed to get interface address! error num [%d]",
- ret);
- OICFree(*ipAddress);
- OICFree(*interfaceName);
- *ipAddress = NULL;
- *interfaceName = NULL;
- return;
- }
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
+ return CA_STATUS_OK;
}
-static void CAIPGetInterfaceInformation(u_arraylist_t **netInterfaceList)
+CAResult_t CAIPUnSetNetworkMonitorCallback(CATransportAdapter_t adapter)
{
- VERIFY_NON_NULL_VOID(netInterfaceList, IP_MONITOR_TAG, "netInterfaceList is null");
-
- // Get wifi network information
- char *interfaceName = NULL;
- char *ipAddress = NULL;
- char *subnetMask = NULL;
- ///TODO: currently we are filling single interface. Once found the proper tizen apis for
- // getting multiple interfaces, then this function will be updated.
- CAWiFiGetInterfaceInformation(&interfaceName, &ipAddress, &subnetMask);
-
- if (!interfaceName || !ipAddress || !subnetMask)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "interface/ipaddress/subnetmask is NULL!");
- return;
- }
-
- CANetInfo_t *netInfo = (CANetInfo_t *)OICCalloc(1, sizeof(CANetInfo_t));
- if (!netInfo)
+ CAIPCBData_t *cbitem = NULL;
+ CAIPCBData_t *tmpCbitem = NULL;
+ LL_FOREACH_SAFE(g_adapterCallbackList, cbitem, tmpCbitem)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Malloc failed");
- OICFree(interfaceName);
- OICFree(ipAddress);
- OICFree(subnetMask);
- return;
- }
-
- // set interface name
- OICStrcpy(netInfo->interfaceName, sizeof(netInfo->interfaceName), interfaceName);
-
- // set local ip address
- OICStrcpy(netInfo->ipAddress, sizeof(netInfo->ipAddress), ipAddress);
-
- // set subnet mask
- OICStrcpy(netInfo->subnetMask, sizeof(netInfo->subnetMask), subnetMask);
-
- CAResult_t result = u_arraylist_add(*netInterfaceList, (void *)netInfo);
- if (CA_STATUS_OK != result)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_add failed!");
+ if (cbitem && adapter == cbitem->adapter)
+ {
+ OIC_LOG(DEBUG, TAG, "remove specific callback");
+ LL_DELETE(g_adapterCallbackList, cbitem);
+ OICFree(cbitem);
+ return CA_STATUS_OK;
+ }
}
- OICFree(interfaceName);
- OICFree(ipAddress);
- OICFree(subnetMask);
+ return CA_STATUS_OK;
}
-
-void CAWIFIConnectionStateChangedCb(wifi_connection_state_e state, wifi_ap_h ap,
- void *userData)
+u_arraylist_t *CAFindInterfaceChange()
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
+ u_arraylist_t *iflist = NULL;
+ char buf[NETLINK_MESSAGE_LENGTH] = { 0 };
+ struct sockaddr_nl sa = { 0 };
+ struct iovec iov = { .iov_base = buf,
+ .iov_len = sizeof (buf) };
+ struct msghdr msg = { .msg_name = (void *)&sa,
+ .msg_namelen = sizeof (sa),
+ .msg_iov = &iov,
+ .msg_iovlen = 1 };
- if (WIFI_CONNECTION_STATE_ASSOCIATION == state
- || WIFI_CONNECTION_STATE_CONFIGURATION == state)
- {
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Connection is in Association State");
- return;
- }
+ ssize_t len = recvmsg(caglobals.ip.netlinkFd, &msg, 0);
- // If Wifi is connected, then get the latest IP from the WIFI Interface
- if (WIFI_CONNECTION_STATE_CONNECTED == state)
+ for (struct nlmsghdr *nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len); nh = NLMSG_NEXT(nh, len))
{
- // Get network information
- char *interfaceName = NULL;
- char *ipAddress = NULL;
- char *subnetMask = NULL;
- CAWiFiGetInterfaceInformation(&interfaceName, &ipAddress, &subnetMask);
-
- CANetInfo_t *netInfo = (CANetInfo_t *)OICCalloc(1, sizeof(CANetInfo_t));
- if (!netInfo)
+ if (nh != NULL && (nh->nlmsg_type != RTM_DELADDR && nh->nlmsg_type != RTM_NEWADDR))
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Malloc failed");
- OICFree(interfaceName);
- OICFree(ipAddress);
- OICFree(subnetMask);
- return;
+ continue;
}
- // set interface name
- OICStrcpy(netInfo->interfaceName, sizeof(netInfo->interfaceName), interfaceName);
-
- // set local ip address
- OICStrcpy(netInfo->ipAddress, sizeof(netInfo->ipAddress), ipAddress);
-
- // set subnet mask
- OICStrcpy(netInfo->subnetMask, sizeof(netInfo->subnetMask), subnetMask);
+ struct ifinfomsg *ifi = (struct ifinfomsg *)NLMSG_DATA(nh);
+ if (!ifi)
+ {
+ continue;
+ }
- bool ret = CACheckIsInterfaceInfoChanged(netInfo);
- if (ret)
+ if (RTM_DELADDR == nh->nlmsg_type)
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "CACheckIsInterfaceInfoChanged true");
+ CloseMulticastSocket();
}
- OICFree(netInfo);
- OICFree(interfaceName);
- OICFree(ipAddress);
- OICFree(subnetMask);
- }
- else
- {
- CARemoveInterfaceInfo();
+ int ifiIndex = ifi->ifi_index;
+ iflist = CAIPGetInterfaceInformation(ifiIndex);
+ if (!iflist)
+ {
+ OIC_LOG_V(ERROR, TAG, "get interface info failed: %s", strerror(errno));
+ return NULL;
+ }
+ CreateMulticastSocket();
}
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
+ return iflist;
}
-void CAWIFIDeviceStateChangedCb(wifi_device_state_e state, void *userData)
+CAResult_t CAIPStartNetworkMonitor(CAIPAdapterStateChangeCallback callback,
+ CATransportAdapter_t adapter)
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- if (WIFI_DEVICE_STATE_ACTIVATED == state)
+ if (!g_adapterCallbackList)
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Wifi is in Activated State");
- }
- else
- {
- CAWIFIConnectionStateChangedCb(WIFI_CONNECTION_STATE_DISCONNECTED, NULL, NULL);
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Wifi is in Deactivated State");
- }
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
-}
+ // Initialize Connections.
+ connection_error_e ret = connection_create(&connection);
+ if (CONNECTION_ERROR_NONE != ret)
+ {
+ OIC_LOG(ERROR, TAG, "connection_create failed");
+ return CA_STATUS_FAILED;
+ }
-static CAResult_t CAInitializeNetworkMonitorMutexes()
-{
- if (!g_networkMonitorContextMutex)
- {
- g_networkMonitorContextMutex = ca_mutex_new();
- if (!g_networkMonitorContextMutex)
+ // Set callback for receiving state changes.
+ ret = connection_set_type_changed_cb(connection, CAIPConnectionStateChangedCb, NULL);
+ if (CONNECTION_ERROR_NONE != ret)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "g_networkMonitorContextMutex Malloc failed");
- return CA_MEMORY_ALLOC_FAILED;
+ OIC_LOG(ERROR, TAG, "connection_set_type_changed_cb failed");
+ return CA_STATUS_FAILED;
}
}
- return CA_STATUS_OK;
+ OIC_LOG(DEBUG, TAG, "Initialize network monitoring successfully");
+ return CAIPSetNetworkMonitorCallback(callback, adapter);
}
-static void CADestroyNetworkMonitorMutexes()
+CAResult_t CAIPStopNetworkMonitor(CATransportAdapter_t adapter)
{
- ca_mutex_free(g_networkMonitorContextMutex);
- g_networkMonitorContextMutex = 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);
-
- // Initialize Wifi service
- wifi_error_e retValue = wifi_initialize();
- if (WIFI_ERROR_NONE != retValue)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "wifi_initialize failed");
- return CA_STATUS_FAILED;
- }
+ OIC_LOG(DEBUG, TAG, "IN");
- g_networkMonitorContext = (CAIPNetworkMonitorContext *)OICCalloc(1,
- sizeof(*g_networkMonitorContext));
- if (!g_networkMonitorContext)
+ CAIPUnSetNetworkMonitorCallback(adapter);
+ if (!g_adapterCallbackList)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "g_networkMonitorContext Malloc failed");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- CADestroyNetworkMonitorMutexes();
- return CA_MEMORY_ALLOC_FAILED;
- }
+ // Reset callback for receiving state changes.
+ if (connection)
+ {
+ connection_error_e ret = connection_unset_type_changed_cb(connection);
+ if (CONNECTION_ERROR_NONE != ret)
+ {
+ OIC_LOG(ERROR, TAG, "connection_unset_type_changed_cb failed");
+ }
- 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;
+ // Deinitialize Wifi service.
+ ret = connection_destroy(connection);
+ if (CONNECTION_ERROR_NONE != ret)
+ {
+ OIC_LOG(ERROR, TAG, "connection_destroy failed");
+ }
+ connection = NULL;
+ }
}
- CAIPGetInterfaceInformation(&g_networkMonitorContext->netInterfaceList);
-
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
+ OIC_LOG(DEBUG, TAG, "Network monitoring terminated successfully");
return CA_STATUS_OK;
}
-void CAIPTerminateNetworkMonitor()
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- ca_mutex_lock(g_networkMonitorContextMutex);
-
- // Deinitialize Wifi service
- wifi_error_e ret = wifi_deinitialize();
- if (WIFI_ERROR_NONE != ret)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "wifi_deinitialize failed");
- }
-
- CAClearNetInterfaceInfoList(g_networkMonitorContext->netInterfaceList);
-
- g_networkMonitorContext->netInterfaceList = NULL;
- g_networkMonitorContext->nwConnectivityStatus = CA_INTERFACE_DOWN;
- g_networkMonitorContext->networkChangeCb = NULL;
-
- OICFree(g_networkMonitorContext);
- g_networkMonitorContext = NULL;
-
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- CADestroyNetworkMonitorMutexes();
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
-}
-
-CAResult_t CAIPStartNetworkMonitor()
+/**
+ * Used to send netlink query to kernel and recv response from kernel.
+ *
+ * @param[in] idx desired network interface index, 0 means all interfaces.
+ * @param[out] iflist linked list.
+ *
+ */
+static bool CAIPGetAddrInfo(int idx, u_arraylist_t *iflist)
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- // Set callback for receiving state changes
- wifi_error_e ret = wifi_set_device_state_changed_cb(CAWIFIDeviceStateChangedCb, NULL);
- if (WIFI_ERROR_NONE != ret)
+ if ((idx < 0) || (iflist == NULL))
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "wifi_set_device_state_changed_cb failed");
- return CA_STATUS_FAILED;
- }
-
- // Set callback for receiving connection state changes
- ret = wifi_set_connection_state_changed_cb(CAWIFIConnectionStateChangedCb, NULL);
- if (WIFI_ERROR_NONE != ret)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "wifi_set_connection_state_changed_cb failed");
- return CA_STATUS_FAILED;
+ return false;
}
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
-}
-
-CAResult_t CAIPStopNetworkMonitor()
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- // Reset callback for receiving state changes
- wifi_error_e ret = wifi_unset_device_state_changed_cb();
- if (WIFI_ERROR_NONE != ret)
+ struct ifaddrs *ifp = NULL;
+ if (-1 == getifaddrs(&ifp))
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "wifi_unset_device_state_changed_cb failed");
+ OIC_LOG_V(ERROR, TAG, "Failed to get ifaddrs: %s", strerror(errno));
+ return false;
}
- // Reset callback for receiving connection state changes
- ret = wifi_unset_connection_state_changed_cb();
- if (WIFI_ERROR_NONE != ret)
+ struct ifaddrs *ifa = NULL;
+ for (ifa = ifp; ifa; ifa = ifa->ifa_next)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "wifi_unset_connection_state_changed_cb failed");
- }
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
-}
+ if (!ifa->ifa_addr)
+ {
+ continue;
+ }
-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;
- }
+ int family = ifa->ifa_addr->sa_family;
+ if ((ifa->ifa_flags & IFF_LOOPBACK) || (AF_INET != family && AF_INET6 != family))
+ {
+ continue;
+ }
- 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)
+ int ifindex = if_nametoindex(ifa->ifa_name);
+ if (idx && (ifindex != idx))
{
continue;
}
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG, "CAIPGetInterfaceInfo ip [%s]",
- info->ipAddress);
- CANetInfo_t *newNetinfo = (CANetInfo_t *) OICMalloc(sizeof(CANetInfo_t));
- if (!newNetinfo)
+
+ char ipaddr[MAX_ADDR_STR_SIZE_CA] = {0};
+ if (family == AF_INET6)
+ {
+ struct sockaddr_in6 *in6 = (struct sockaddr_in6*) ifa->ifa_addr;
+ inet_ntop(family, (void *)&(in6->sin6_addr), ipaddr, sizeof(ipaddr));
+ }
+ else if (family == AF_INET)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Malloc failed!");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_MEMORY_ALLOC_FAILED;
+ struct sockaddr_in *in = (struct sockaddr_in*) ifa->ifa_addr;
+ inet_ntop(family, (void *)&(in->sin_addr), ipaddr, sizeof(ipaddr));
}
- *newNetinfo = *info;
+ if ((strcmp(ipaddr, IFC_ADDR_LOOP_IPV4) == 0) ||
+ (strcmp(ipaddr, IFC_ADDR_LOOP_IPV6) == 0) ||
+ (strcmp(ifa->ifa_name, IFC_LABEL_LOOP) == 0))
+ {
+ OIC_LOG(DEBUG, TAG, "LOOPBACK continue!!!");
+ continue;
+ }
- CAResult_t result = u_arraylist_add(*netInterfaceList, (void *)newNetinfo);
+ CAResult_t result = CAAddInterfaceItem(iflist, ifindex,
+ ifa->ifa_name, family,
+ ipaddr, ifa->ifa_flags);
if (CA_STATUS_OK != result)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_add failed!");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_STATUS_FAILED;
+ OIC_LOG(ERROR, TAG, "CAAddInterfaceItem fail");
+ goto exit;
}
}
+ freeifaddrs(ifp);
+ return true;
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
+exit:
+ freeifaddrs(ifp);
+ return false;
}
-CAResult_t CAIPGetInterfaceSubnetMask(const char *ipAddress, char **subnetMask)
+u_arraylist_t *CAIPGetInterfaceInformation(int desiredIndex)
{
- 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");
-
- // Get the interface and ipaddress information from cache
- ca_mutex_lock(g_networkMonitorContextMutex);
- if (!g_networkMonitorContext->netInterfaceList
- || !(u_arraylist_length(g_networkMonitorContext->netInterfaceList)))
+ u_arraylist_t *iflist = u_arraylist_create();
+ if (!iflist)
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Network not enabled");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return CA_ADAPTER_NOT_ENABLED;
+ OIC_LOG_V(ERROR, TAG, "Failed to create iflist: %s", strerror(errno));
+ return NULL;
}
- 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++)
+ if (!CAIPGetAddrInfo(desiredIndex, iflist))
{
- CANetInfo_t *info = (CANetInfo_t *)u_arraylist_get(
- g_networkMonitorContext->netInterfaceList, list_index);
- if (!info)
- {
- continue;
- }
-
- if (strncmp(info->ipAddress, ipAddress, strlen(ipAddress)) == 0)
- {
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG,
- "CAIPGetInterfaceSubnetMask subnetmask is %s", info->subnetMask);
- *subnetMask = OICStrdup(info->subnetMask);
- break;
- }
+ goto exit;
}
- ca_mutex_unlock(g_networkMonitorContextMutex);
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
+ return iflist;
+
+exit:
+ u_arraylist_destroy(iflist);
+ return NULL;
}
-bool CAIPIsConnected()
+static CAResult_t CAAddInterfaceItem(u_arraylist_t *iflist, int index,
+ char *name, int family, const char *addr, int flags)
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- wifi_connection_state_e connection_state;
- wifi_error_e ret = wifi_get_connection_state(&connection_state);
- if (WIFI_ERROR_NONE != ret)
+ CAInterface_t *ifitem = CANewInterfaceItem(index, name, family, addr, flags);
+ if (!ifitem)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Failed to get the Connection State");
- return false;
+ return CA_STATUS_FAILED;
}
-
- if (WIFI_CONNECTION_STATE_DISCONNECTED == connection_state)
+ bool result = u_arraylist_add(iflist, ifitem);
+ if (!result)
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "WIFI is not Connected");
- return false;
+ OIC_LOG(ERROR, TAG, "u_arraylist_add failed.");
+ OICFree(ifitem);
+ return CA_STATUS_FAILED;
}
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return true;
+ return CA_STATUS_OK;
}
-void CAIPSetConnectionStateChangeCallback(CAIPConnectionStateChangeCallback callback)
+static CAInterface_t *CANewInterfaceItem(int index, char *name, int family,
+ const char *addr, int flags)
{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
- if (!g_networkMonitorContextMutex || !g_networkMonitorContext)
+ CAInterface_t *ifitem = (CAInterface_t *)OICCalloc(1, sizeof (CAInterface_t));
+ if (!ifitem)
{
- OIC_LOG(ERROR, IP_MONITOR_TAG, "CAIPSetConnectionStateChangeCallback failed");
- return;
+ OIC_LOG(ERROR, TAG, "Malloc failed");
+ return NULL;
}
- ca_mutex_lock(g_networkMonitorContextMutex);
- g_networkMonitorContext->networkChangeCb = callback;
+ OICStrcpy(ifitem->name, INTERFACE_NAME_MAX, name);
+ ifitem->index = index;
+ ifitem->family = family;
+ OICStrcpy(ifitem->addr, sizeof(ifitem->addr), addr);
+ ifitem->flags = flags;
+
+ return ifitem;
+}
- ca_mutex_unlock(g_networkMonitorContextMutex);
+void CAIPConnectionStateChangedCb(connection_type_e type, void* userData)
+{
+ (void)userData;
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
+ switch (type)
+ {
+ case CONNECTION_TYPE_DISCONNECTED:
+ OIC_LOG(DEBUG, TAG, "Connection is in CONNECTION_TYPE_DISCONNECTED");
+ CAIPPassNetworkChangesToAdapter(CA_INTERFACE_DOWN);
+ break;
+ case CONNECTION_TYPE_ETHERNET:
+ OIC_LOG(DEBUG, TAG, "Connection is in CONNECTION_TYPE_ETHERNET");
+ CAIPPassNetworkChangesToAdapter(CA_INTERFACE_UP);
+ break;
+ case CONNECTION_TYPE_WIFI:
+ OIC_LOG(DEBUG, TAG, "Connection is in CONNECTION_TYPE_WIFI");
+ CAIPPassNetworkChangesToAdapter(CA_INTERFACE_UP);
+ break;
+ case CONNECTION_TYPE_CELLULAR:
+ OIC_LOG(DEBUG, TAG, "Connection is in CONNECTION_TYPE_CELLULAR");
+ CAIPPassNetworkChangesToAdapter(CA_INTERFACE_UP);
+ break;
+ default:
+ break;
+ }
}
projects / platform / upstream / iotivity.git / blobdiff