formatting

[senf.git] / Socket / Protocols / DVB / DVBFrontendHandle.cc

diff --git a/Socket/Protocols/DVB/DVBFrontendHandle.cc b/Socket/Protocols/DVB/DVBFrontendHandle.cc
index 28ef5fa..a393eb2 100644 (file)
--- a/Socket/Protocols/DVB/DVBFrontendHandle.cc
+++ b/Socket/Protocols/DVB/DVBFrontendHandle.cc
@@ -40,14 +40,15 @@
 ///////////////////////////////////////////////////////////////////////////
 // senf::DVBFrontendHandle
 
-prefix_ void senf::DVBFrontendSocketProtocol::init_client(uint8_t adapter, boost::uint8_t device)
+prefix_ void senf::DVBFrontendSocketProtocol::init_client(boost::uint8_t adapter, boost::uint8_t device)
     const
 {
     std::string devFrontend = str( boost::format(
             "/dev/dvb/adapter%d/frontend%d") % adapter % device);
     int f = open(devFrontend.c_str(), O_RDONLY | O_NONBLOCK);
     if (f < 0)
-        throw SystemException();
+        SENF_THROW_SYSTEM_EXCEPTION("")
+            << "Could not open frontend device of DVB adapter " << devFrontend << ".";
     fd(f);
 }
 
@@ -63,18 +64,38 @@ prefix_ bool senf::DVBFrontendSocketProtocol::eof()
     return false;
 }
 
-prefix_ void senf::DVBFrontendSocketProtocol::signalStrength(int16_t *strength)
+prefix_ int16_t senf::DVBFrontendSocketProtocol::signalStrength()
     const
 {
-    if (::ioctl(fd(), FE_READ_SIGNAL_STRENGTH, strength) < 0)
-        throw SystemException();
+        int16_t strength;
+    if (::ioctl(fd(), FE_READ_SIGNAL_STRENGTH, &strength) < 0)
+        SENF_THROW_SYSTEM_EXCEPTION("Could not get signal strength of DVB adapter.");
+    return strength;
+}
+
+prefix_ int16_t senf::DVBFrontendSocketProtocol::signalNoiseRatio()
+    const
+{
+    int16_t snr;
+    if (::ioctl(fd(), FE_READ_SNR, &snr) < 0)
+        SENF_THROW_SYSTEM_EXCEPTION("Could not get signal-to-noise ratio of DVB adapter.");
+    return snr;
+}
+
+prefix_ uint32_t senf::DVBFrontendSocketProtocol::bitErrorRate()
+    const
+{
+    uint32_t ber;
+    if (::ioctl(fd(), FE_READ_BER, &ber) < 0)
+        SENF_THROW_SYSTEM_EXCEPTION("Could not get bit error rate of DVB adapter.");
+    return ber;
 }
 
 ///////////////////////////////cc.e////////////////////////////////////////
 #undef prefix_
 //#include "DVBFrontendHandle.mpp"
 
-\f
+
 // Local Variables:
 // mode: c++
 // fill-column: 100