1 files changed, 106 insertions, 0 deletions
diff --git a/src/devreader.cpp b/src/devreader.cpp
new file mode 100644
index 0000000..5006309
--- /dev/null
+++ b/src/devreader.cpp
@@ -0,0 +1,106 @@
+/***************************************************************************
+                                devreader.cpp
+                             -------------------
+    begin                : Fri Nov 16 2007
+    copyright            : (C) 2007 - 2012 by Roland Riegel
+    email                : feedback@roland-riegel.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "devreader.h"
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <time.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifdef HAVE_SOLARIS
+    #include <sys/sockio.h>
+#endif
+
+using namespace std;
+
+DevReader::DevReader(const string& deviceName)
+    : m_deviceName(deviceName)
+{
+}
+
+DevReader::~DevReader()
+{
+}
+
+const string& DevReader::getDeviceName() const
+{
+    return m_deviceName;
+}
+
+DataFrame DevReader::getNewDataFrame()
+{
+    DataFrame deviceData;
+
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    
+    readFromDevice(deviceData);
+    
+    deviceData.setDeviceName(m_deviceName);
+
+    deviceData.setTimeStampSeconds((unsigned long) tv.tv_sec);
+    deviceData.setTimeStampMicroseconds((unsigned long) tv.tv_usec);
+
+    deviceData.setIpV4(getDeviceIp4Address());
+
+    return deviceData;
+}
+
+string DevReader::getDeviceIp4Address()
+{
+    struct ifreq ifr;
+    int sk;
+    
+    string deviceIp = "";
+    
+    if(m_deviceName.empty())
+        return deviceIp;
+    
+    /* create a temporary socket: ioctl needs one */
+    if((sk = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+        return deviceIp;
+    
+    /* copy the device name into the ifreq structure */
+    strncpy(ifr.ifr_name, m_deviceName.c_str(), IFNAMSIZ - 1);
+    ifr.ifr_name[IFNAMSIZ - 1] = 0;
+    
+    /* make the request */
+    if(!ioctl(sk, SIOCGIFADDR, &ifr))
+    {
+        struct sockaddr_in sin;
+        memcpy(&sin, &ifr.ifr_addr, sizeof(sin));
+        
+        /* only use the IP number if the address family is really IPv4 */
+        if(sin.sin_family == AF_INET)
+            deviceIp = inet_ntoa(sin.sin_addr);
+    }
+    
+    /* close the temporary socket */
+    close(sk);
+    
+    return deviceIp;
+}
+