/******************************************************************
- *
- * Copyright 2014 Samsung Electronics All Rights Reserved.
- *
- *
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- ******************************************************************/
+*
+* Copyright 2014 Samsung Electronics All Rights Reserved.
+*
+*
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+******************************************************************/
#include "caipinterface.h"
-#include <string.h>
-#include <sys/ioctl.h>
-#include <arpa/inet.h>
-#include <linux/if.h>
+#include <sys/types.h>
+#include <ifaddrs.h>
+#include <sys/socket.h>
#include <netdb.h>
+#include <string.h>
#include <errno.h>
#include <unistd.h>
+#include <arpa/inet.h>
+#include <linux/if.h>
+
#include "caadapterutils.h"
-#include "camutex.h"
#include "logger.h"
#include "oic_malloc.h"
#include "oic_string.h"
-#include "org_iotivity_ca_CaIpInterface.h"
-
-#define IP_MONITOR_TAG "IP_MONITOR"
-#define MAX_INTERFACE_INFO_LENGTH (1024)
-
-/**
- * @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 *netInterfaceList;
- ca_thread_pool_t threadPool;
- CANetworkStatus_t nwConnectivityStatus;
- CAIPConnectionStateChangeCallback networkChangeCb;
-} CAIPNetworkMonitorContext;
-
-/**
- * @var g_networkMonitorContext
- * @brief network monitor context.
- */
-static CAIPNetworkMonitorContext *g_networkMonitorContext = NULL;
-
-/**
- * @var g_networkMonitorContextMutex
- * @brief Mutex for synchronizing access to cached interface and IP address information.
- */
-static ca_mutex g_networkMonitorContextMutex = NULL;
-
-/**
- * @var g_jvm
- * @brief pointer to store JavaVM
- */
-static JavaVM *g_jvm = NULL;
-
-/**
- * @var g_context
- * @brief pointer to store Application Context
- */
-static jobject g_context = NULL;
-/**
- * @fn CAIPUpdateInterfaceInformation
- * @brief This methods gets local interface name and IP address information.
- */
-static CAResult_t CAIPUpdateInterfaceInformation(u_arraylist_t **netInterfaceList);
-/**
- * @fn CACreateIPJNIInterfaceObject
- * @brief creates new instance of caipinterface through JNI
- */
-static CAResult_t CACreateIPJNIInterfaceObject(jobject context);
+#define TAG "IP_MONITOR"
-/**
- * @fn CAIPSendNetworkChangeCallback
- * @brief updates network status to IP adapter
- */
-static void CAIPSendNetworkChangeCallback(CANetworkStatus_t currNetworkStatus);
+char *getHostIPAddress(const char *ifa_name) {
+ static char address[INET_ADDRSTRLEN] = {};
+ memset(&address, 0, INET_ADDRSTRLEN);
+ struct ifreq ifr;
+ int sck, status, len = sizeof(ifr.ifr_name) - 1;
+ char *ip;
-CAResult_t CAIPJniInit()
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "CAIPJniInit");
- g_jvm = CANativeJNIGetJavaVM();
-
- if (!g_jvm)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "JNI initialize error");
- return CA_STATUS_FAILED;
- }
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
-}
-
-CAResult_t CAIPJniSetContext()
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "CAIPJniSetContext");
- g_context = (jobject) CANativeJNIGetContext();
-
- if (!g_context)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "unable to get application context");
- return CA_STATUS_FAILED;
+ if ((sck = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+ return NULL;
}
- return CA_STATUS_OK;
-}
-
-CAResult_t CACreateIPJNIInterfaceObject(jobject context)
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "CACreateIPJNIInterfaceObject");
-
- VERIFY_NON_NULL(context, IP_MONITOR_TAG, "context");
-
- JNIEnv* env;
-
- if ((*g_jvm)->GetEnv(g_jvm, (void**) &env, JNI_VERSION_1_6) != JNI_OK)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Could not get JNIEnv pointer");
- return CA_STATUS_FAILED;
- }
-
- //getApplicationContext
- jclass contextClass = (*env)->FindClass(env, "android/content/Context");
- if (!contextClass)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Could not get context object class");
- return CA_STATUS_FAILED;
- }
-
- jmethodID getApplicationContextMethod = (*env)->GetMethodID(env, contextClass,
- "getApplicationContext",
- "()Landroid/content/Context;");
- if (!getApplicationContextMethod)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Could not get getApplicationContext method");
- return CA_STATUS_FAILED;
- }
-
- jobject gApplicationContext = (*env)->CallObjectMethod(env, context,
- getApplicationContextMethod);
- if (!getApplicationContextMethod)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Could not get getApplicationContext");
- return CA_STATUS_FAILED;
- }
-
- //Create caipinterface jni instance
- jclass IPJniInterface = (*env)->FindClass(env, "org/iotivity/ca/CaIpInterface");
- if (!IPJniInterface)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Could not get caipinterface class");
- return CA_STATUS_FAILED;
- }
-
- jmethodID IPInterfaceConstructorMethod = (*env)->GetMethodID(env, IPJniInterface, "<init>",
- "(Landroid/content/Context;)V");
- if (!IPInterfaceConstructorMethod)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Could not get caipinterface constructor method");
- return CA_STATUS_FAILED;
- }
-
- (*env)->NewObject(env, IPJniInterface, IPInterfaceConstructorMethod, gApplicationContext);
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Create caipinterface instance, success");
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_OK;
-}
-
-static CAResult_t CAIPUpdateInterfaceInformation(u_arraylist_t **netInterfaceList)
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
-
- VERIFY_NON_NULL(netInterfaceList, IP_MONITOR_TAG, "netInterfaceList is null");
-
- /* Get a socket handle. */
- int sck = -1;
-#ifdef SOCK_CLOEXEC
- sck = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, IPPROTO_UDP);
-#endif
-
- if ( -1 == sck)
- {
- sck=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- }
-
- if (sck < 0)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Error in socket creation");
- return CA_STATUS_FAILED;
- }
-
- char buf[MAX_INTERFACE_INFO_LENGTH] = { 0 };
- struct ifconf ifc;
-
- /* Query available interfaces. */
- ifc.ifc_len = MAX_INTERFACE_INFO_LENGTH;
- ifc.ifc_buf = buf;
-
- if (ioctl(sck, SIOCGIFCONF, &ifc) < 0)
- {
+ strncpy(ifr.ifr_name, ifa_name, len);
+ ifr.ifr_name[len] = '\0';
+ if ((status = ioctl(sck, SIOCGIFADDR, &ifr)) < 0) {
close(sck);
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Failed to get interface info");
- return CA_STATUS_FAILED;
+ return NULL;
}
-
- /* Iterate through the list of interfaces. */
- struct ifreq* ifr = ifc.ifc_req;
- int32_t interfaces = ifc.ifc_len / sizeof(struct ifreq);
-
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG, "CAIPUpdateInterfaceInformation : %d", interfaces);
-
- for (int32_t i = 0; i < interfaces; i++)
- {
- struct ifreq temp_ifr = { 0 };
- struct ifreq* item = &ifr[i];
-
- char interfaceAddress[CA_IPADDR_SIZE] = { 0 };
- char interfaceSubnetMask[CA_IPADDR_SIZE] = { 0 };
- socklen_t len = sizeof(struct sockaddr_in);
-
- strcpy(temp_ifr.ifr_name, item->ifr_name);
-
- if (ioctl(sck, SIOCGIFFLAGS, &temp_ifr))
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG,
- "CAIPUpdateInterfaceInformation, SIOCGIFFLAGS Failed");
- close(sck);
- return CA_STATUS_FAILED;
- }
-
- if ((temp_ifr.ifr_flags & IFF_LOOPBACK)
- || !(temp_ifr.ifr_flags & IFF_UP) || !(temp_ifr.ifr_flags & IFF_RUNNING))
- {
- continue;
- }
-
- if (AF_INET != ((struct sockaddr_in*) &item->ifr_addr)->sin_family)
- {
- continue;
- }
-
- //get the interface ip address
- if (0 != getnameinfo(&item->ifr_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));
- close(sck);
- return CA_STATUS_FAILED;
- }
-
- if (ioctl((int) sck, SIOCGIFNETMASK, item) < 0)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG,
- "CAIPUpdateInterfaceInformation, SIOCGIFNETMASK Failed");
- close(sck);
- return CA_STATUS_FAILED;
- }
-
- // get the interface subnet mask
- if (0 != getnameinfo(&item->ifr_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));
- close(sck);
- return CA_STATUS_FAILED;
- }
-
- CANetInfo_t *netInfo = (CANetInfo_t *) OICCalloc(1, sizeof(CANetInfo_t));
- if (!netInfo)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Malloc failed");
- close(sck);
- return CA_MEMORY_ALLOC_FAILED;
- }
-
- // set interface name
- strncpy(netInfo->interfaceName, item->ifr_name, strlen(item->ifr_name));
-
- // 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)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_add failed!Thread exiting.");
- close(sck);
- return CA_STATUS_FAILED;
- }
-
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG, "ipAddress : %s, interfaceName : %s, subnetmask : %s",
- netInfo->ipAddress, netInfo->interfaceName, netInfo->subnetMask);
- close(sck);
- return CA_STATUS_OK;
-
- break;
- }
-
close(sck);
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
- return CA_STATUS_FAILED;
+ ip = inet_ntoa(((struct sockaddr_in *)(&ifr.ifr_addr))->sin_addr);
+ len = sizeof(address) - 1;
+ strncpy(address, ip, len);
+ address[len] = '\0';
+ return address;
}
-static bool CACheckIsAnyInterfaceDown(const u_arraylist_t *netInterfaceList,
- const CANetInfo_t *info)
+u_arraylist_t *CAIPGetInterfaceInformation(int desiredIndex)
{
- 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_length = u_arraylist_length(netInterfaceList);
- for (uint32_t list_index = 0; list_index < list_length; list_index++)
+ u_arraylist_t *iflist = u_arraylist_create();
+ if (!iflist)
{
- 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_V(ERROR, TAG, "Failed to create iflist: %s", strerror(errno));
+ return NULL;
}
- 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_length = u_arraylist_length(g_networkMonitorContext->netInterfaceList);
- for (uint32_t list_index = 0; list_index < list_length; list_index++)
+ char* ipAddr = getHostIPAddress("wlan0");
+ if (NULL == ipAddr)
{
- 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)
- {
- 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;
- }
- }
- }
+ OIC_LOG_V(ERROR, TAG, "Failed to get ifaddrs: %s", strerror(errno));
+ u_arraylist_destroy(iflist);
+ return NULL;
+ }
+ OIC_LOG_V(DEBUG, TAG, "Got ifaddrs:: %s", ipAddr);
- 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));
+ struct in_addr inaddr;
+ inet_pton(AF_INET, ipAddr, &(inaddr));
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "New Interface found");
+ CAInterface_t *ifitem = (CAInterface_t *)OICCalloc(1, sizeof(CAInterface_t));;
+ OICStrcpy(ifitem->name, INTERFACE_NAME_MAX, "wlan0");
+ ifitem->index = 0; //if_nametoindex("wlan0");
+ ifitem->family = AF_INET; //we support ipv4 only
+ ifitem->ipv4addr = inaddr.s_addr;
+ ifitem->flags = IFF_UP|IFF_RUNNING;
- CAResult_t result = u_arraylist_add(g_networkMonitorContext->netInterfaceList,
- (void *) newNetInfo);
+ CAResult_t result = u_arraylist_add(iflist, ifitem);
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 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;
- }
+ OIC_LOG(ERROR, TAG, "u_arraylist_add failed.");
+ goto exit;
}
- 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;
-}
+ OIC_LOG_V(ERROR, TAG, "Added interface: %s (%d)", ifitem->name, ifitem->family);
-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, "CAIPInitializeNetworkMonitor IN");
-
- VERIFY_NON_NULL(threadPool, IP_MONITOR_TAG, "threadPool is null");
-
- CAResult_t ret = CAIPJniInit();
- if (CA_STATUS_OK != ret)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "Initialization failed");
- return ret;
- }
-
- ret = CAIPJniSetContext();
- if (CA_STATUS_OK != ret)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "CAIPJniSetContext failed");
- return ret;
- }
-
- ret = CACreateIPJNIInterfaceObject(g_context);
- if (CA_STATUS_OK != ret)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "unable to create caipinterface instance");
- return ret;
- }
-
- 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;
- }
-
- CAIPUpdateInterfaceInformation(&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);
-
- 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_length = u_arraylist_length(g_networkMonitorContext->netInterfaceList);
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG, "CAIPGetInterfaceInfo list length [%d]",
- list_length);
- for (uint32_t 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;
- }
- 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)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "u_arraylist_add 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 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");
-
- // 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_length = u_arraylist_length(g_networkMonitorContext->netInterfaceList);
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG, "list lenght [%d]", list_length);
- for (uint32_t 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)
- {
- OIC_LOG_V(DEBUG, IP_MONITOR_TAG,
- "CAIPGetInterfaceSubnetMask subnetmask is %s", info->subnetMask);
- *subnetMask = OICStrdup(info->subnetMask);
- break;
- }
- }
- 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;
- }
-
- 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);
-
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
-}
-
-void CAIPSendNetworkChangeCallback(CANetworkStatus_t currNetworkStatus)
-{
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "IN");
- ca_mutex_lock(g_stopNetworkMonitorMutex);
-
- if (g_stopNetworkMonitor)
- {
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "Stop Network Monitor Thread is called");
- ca_mutex_unlock(g_stopNetworkMonitorMutex);
- return;
- }
- ca_mutex_unlock(g_stopNetworkMonitorMutex);
- ca_mutex_lock(g_networkMonitorContextMutex);
- if(!g_networkMonitorContext)
- {
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "g_networkChangeCb is NULL");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return;
- }
- if (!g_networkMonitorContext->networkChangeCb)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "g_networkChangeCb->networkChangeCb is NULL");
- ca_mutex_unlock(g_networkMonitorContextMutex);
- return;
- }
-
- ca_mutex_unlock(g_networkMonitorContextMutex);
-
- u_arraylist_t *netInterfaceList = u_arraylist_create();
-
- VERIFY_NON_NULL_VOID(netInterfaceList, IP_MONITOR_TAG,
- "memory allocation failed for netInterfaceList");
-
- // if network status is changed
- CAResult_t ret = CAIPUpdateInterfaceInformation(&netInterfaceList);
- if (CA_STATUS_OK != ret)
- {
- OIC_LOG(ERROR, IP_MONITOR_TAG, "could not update interface information");
- }
-
- 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 listLength = u_arraylist_length(g_networkMonitorContext->netInterfaceList);
- for (uint32_t 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 (uint32_t 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);
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "OUT");
-}
-
-JNIEXPORT void JNICALL Java_org_iotivity_ca_CaIpInterface_stateEnabled
- (JNIEnv *env, jclass clazz)
-{
- CANetworkStatus_t currNetworkStatus = CA_INTERFACE_UP;
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "CAIPStateEnabled");
-
- CAIPSendNetworkChangeCallback(currNetworkStatus);
-}
-
-JNIEXPORT void JNICALL Java_org_iotivity_ca_CaIpInterface_stateDisabled
- (JNIEnv *env, jclass clazz)
-{
- CANetworkStatus_t currNetworkStatus = CA_INTERFACE_DOWN;
- OIC_LOG(DEBUG, IP_MONITOR_TAG, "CAIPStateDisabled");
+ return iflist;
- CAIPSendNetworkChangeCallback(currNetworkStatus);
+exit:
+ u_arraylist_destroy(iflist);
+ return NULL;
}