src: Updating code style to conform (more or less) to ndn-cxx style

Also, adding .clang-format that describes the applied style. Note that
this style requires a slightly customized version of clang-format.
diff --git a/apps/ndn-consumer-window.cpp b/apps/ndn-consumer-window.cpp
index a4a6ad5..595842c 100644
--- a/apps/ndn-consumer-window.cpp
+++ b/apps/ndn-consumer-window.cpp
@@ -30,93 +30,92 @@
 #include "ns3/ndn-data.hpp"
 #include "ns3/ndn-interest.hpp"
 
-NS_LOG_COMPONENT_DEFINE ("ndn.ConsumerWindow");
+NS_LOG_COMPONENT_DEFINE("ndn.ConsumerWindow");
 
 namespace ns3 {
 namespace ndn {
 
-NS_OBJECT_ENSURE_REGISTERED (ConsumerWindow);
+NS_OBJECT_ENSURE_REGISTERED(ConsumerWindow);
 
 TypeId
-ConsumerWindow::GetTypeId (void)
+ConsumerWindow::GetTypeId(void)
 {
-  static TypeId tid = TypeId ("ns3::ndn::ConsumerWindow")
-    .SetGroupName ("Ndn")
-    .SetParent<Consumer> ()
-    .AddConstructor<ConsumerWindow> ()
+  static TypeId tid =
+    TypeId("ns3::ndn::ConsumerWindow")
+      .SetGroupName("Ndn")
+      .SetParent<Consumer>()
+      .AddConstructor<ConsumerWindow>()
 
-    .AddAttribute ("Window", "Initial size of the window",
-                   StringValue ("1"),
-                   MakeUintegerAccessor (&ConsumerWindow::GetWindow, &ConsumerWindow::SetWindow),
-                   MakeUintegerChecker<uint32_t> ())
+      .AddAttribute("Window", "Initial size of the window", StringValue("1"),
+                    MakeUintegerAccessor(&ConsumerWindow::GetWindow, &ConsumerWindow::SetWindow),
+                    MakeUintegerChecker<uint32_t>())
 
-    .AddAttribute ("PayloadSize", "Average size of content object size (to calculate interest generation rate)",
-                   UintegerValue (1040),
-                   MakeUintegerAccessor (&ConsumerWindow::GetPayloadSize, &ConsumerWindow::SetPayloadSize),
-                   MakeUintegerChecker<uint32_t>())
+      .AddAttribute("PayloadSize",
+                    "Average size of content object size (to calculate interest generation rate)",
+                    UintegerValue(1040), MakeUintegerAccessor(&ConsumerWindow::GetPayloadSize,
+                                                              &ConsumerWindow::SetPayloadSize),
+                    MakeUintegerChecker<uint32_t>())
 
-    .AddAttribute ("Size",
-                   "Amount of data in megabytes to request, relying on PayloadSize parameter (alternative to MaxSeq attribute)",
-                   DoubleValue (-1), // don't impose limit by default
-                   MakeDoubleAccessor (&ConsumerWindow::GetMaxSize, &ConsumerWindow::SetMaxSize),
-                   MakeDoubleChecker<double> ())
+      .AddAttribute("Size", "Amount of data in megabytes to request, relying on PayloadSize "
+                            "parameter (alternative to MaxSeq attribute)",
+                    DoubleValue(-1), // don't impose limit by default
+                    MakeDoubleAccessor(&ConsumerWindow::GetMaxSize, &ConsumerWindow::SetMaxSize),
+                    MakeDoubleChecker<double>())
 
-    .AddAttribute ("MaxSeq",
-                   "Maximum sequence number to request (alternative to Size attribute, would activate only if Size is -1). "
-                   "The parameter is activated only if Size negative (not set)",
-                   IntegerValue (std::numeric_limits<uint32_t>::max ()),
-                   MakeUintegerAccessor (&ConsumerWindow::GetSeqMax, &ConsumerWindow::SetSeqMax),
-                   MakeUintegerChecker<uint32_t> ())
+      .AddAttribute("MaxSeq", "Maximum sequence number to request (alternative to Size attribute, "
+                              "would activate only if Size is -1). "
+                              "The parameter is activated only if Size negative (not set)",
+                    IntegerValue(std::numeric_limits<uint32_t>::max()),
+                    MakeUintegerAccessor(&ConsumerWindow::GetSeqMax, &ConsumerWindow::SetSeqMax),
+                    MakeUintegerChecker<uint32_t>())
 
-    .AddAttribute ("InitialWindowOnTimeout", "Set window to initial value when timeout occurs",
-                   BooleanValue (true),
-                   MakeBooleanAccessor (&ConsumerWindow::m_setInitialWindowOnTimeout),
-                   MakeBooleanChecker ())
+      .AddAttribute("InitialWindowOnTimeout", "Set window to initial value when timeout occurs",
+                    BooleanValue(true),
+                    MakeBooleanAccessor(&ConsumerWindow::m_setInitialWindowOnTimeout),
+                    MakeBooleanChecker())
 
-    .AddTraceSource ("WindowTrace",
-                     "Window that controls how many outstanding interests are allowed",
-                     MakeTraceSourceAccessor (&ConsumerWindow::m_window))
-    .AddTraceSource ("InFlight",
-                     "Current number of outstanding interests",
-                     MakeTraceSourceAccessor (&ConsumerWindow::m_inFlight))
-    ;
+      .AddTraceSource("WindowTrace",
+                      "Window that controls how many outstanding interests are allowed",
+                      MakeTraceSourceAccessor(&ConsumerWindow::m_window))
+      .AddTraceSource("InFlight", "Current number of outstanding interests",
+                      MakeTraceSourceAccessor(&ConsumerWindow::m_inFlight));
 
   return tid;
 }
 
-ConsumerWindow::ConsumerWindow ()
-  : m_payloadSize (1040)
-  , m_inFlight (0)
+ConsumerWindow::ConsumerWindow()
+  : m_payloadSize(1040)
+  , m_inFlight(0)
 {
 }
 
 void
-ConsumerWindow::SetWindow (uint32_t window)
+ConsumerWindow::SetWindow(uint32_t window)
 {
   m_initialWindow = window;
   m_window = m_initialWindow;
 }
 
 uint32_t
-ConsumerWindow::GetWindow () const
+ConsumerWindow::GetWindow() const
 {
   return m_initialWindow;
 }
 
 uint32_t
-ConsumerWindow::GetPayloadSize () const
+ConsumerWindow::GetPayloadSize() const
 {
   return m_payloadSize;
 }
 
 void
-ConsumerWindow::SetPayloadSize (uint32_t payload)
+ConsumerWindow::SetPayloadSize(uint32_t payload)
 {
   m_payloadSize = payload;
 }
 
 double
-ConsumerWindow::GetMaxSize () const
+ConsumerWindow::GetMaxSize() const
 {
   if (m_seqMax == 0)
     return -1.0;
@@ -125,28 +124,27 @@
 }
 
 void
-ConsumerWindow::SetMaxSize (double size)
+ConsumerWindow::SetMaxSize(double size)
 {
   m_maxSize = size;
-  if (m_maxSize < 0)
-    {
-      m_seqMax = 0;
-      return;
-    }
+  if (m_maxSize < 0) {
+    m_seqMax = 0;
+    return;
+  }
 
   m_seqMax = floor(1.0 + m_maxSize * 1024.0 * 1024.0 / m_payloadSize);
-  NS_LOG_DEBUG ("MaxSeqNo: " << m_seqMax);
+  NS_LOG_DEBUG("MaxSeqNo: " << m_seqMax);
   // std::cout << "MaxSeqNo: " << m_seqMax << "\n";
 }
 
 uint32_t
-ConsumerWindow::GetSeqMax () const
+ConsumerWindow::GetSeqMax() const
 {
   return m_seqMax;
 }
 
 void
-ConsumerWindow::SetSeqMax (uint32_t seqMax)
+ConsumerWindow::SetSeqMax(uint32_t seqMax)
 {
   if (m_maxSize < 0)
     m_seqMax = seqMax;
@@ -154,31 +152,30 @@
   // ignore otherwise
 }
 
-
 void
-ConsumerWindow::ScheduleNextPacket ()
+ConsumerWindow::ScheduleNextPacket()
 {
-  if (m_window == static_cast<uint32_t> (0))
-    {
-      Simulator::Remove (m_sendEvent);
+  if (m_window == static_cast<uint32_t>(0)) {
+    Simulator::Remove(m_sendEvent);
 
-      NS_LOG_DEBUG ("Next event in " << (std::min<double> (0.5, m_rtt->RetransmitTimeout ().ToDouble (Time::S))) << " sec");
-      m_sendEvent = Simulator::Schedule (Seconds (std::min<double> (0.5, m_rtt->RetransmitTimeout ().ToDouble (Time::S))),
-                                         &Consumer::SendPacket, this);
+    NS_LOG_DEBUG(
+      "Next event in " << (std::min<double>(0.5, m_rtt->RetransmitTimeout().ToDouble(Time::S)))
+                       << " sec");
+    m_sendEvent =
+      Simulator::Schedule(Seconds(
+                            std::min<double>(0.5, m_rtt->RetransmitTimeout().ToDouble(Time::S))),
+                          &Consumer::SendPacket, this);
+  }
+  else if (m_inFlight >= m_window) {
+    // simply do nothing
+  }
+  else {
+    if (m_sendEvent.IsRunning()) {
+      Simulator::Remove(m_sendEvent);
     }
-  else if (m_inFlight >= m_window)
-    {
-      // simply do nothing
-    }
-  else
-    {
-      if (m_sendEvent.IsRunning ())
-        {
-          Simulator::Remove (m_sendEvent);
-        }
 
-      m_sendEvent = Simulator::ScheduleNow (&Consumer::SendPacket, this);
-    }
+    m_sendEvent = Simulator::ScheduleNow(&Consumer::SendPacket, this);
+  }
 }
 
 ///////////////////////////////////////////////////
@@ -186,58 +183,58 @@
 ///////////////////////////////////////////////////
 
 void
-ConsumerWindow::OnData (Ptr<const Data> contentObject)
+ConsumerWindow::OnData(Ptr<const Data> contentObject)
 {
-  Consumer::OnData (contentObject);
+  Consumer::OnData(contentObject);
 
   m_window = m_window + 1;
 
-  if (m_inFlight > static_cast<uint32_t> (0)) m_inFlight--;
-  NS_LOG_DEBUG ("Window: " << m_window << ", InFlight: " << m_inFlight);
+  if (m_inFlight > static_cast<uint32_t>(0))
+    m_inFlight--;
+  NS_LOG_DEBUG("Window: " << m_window << ", InFlight: " << m_inFlight);
 
-  ScheduleNextPacket ();
+  ScheduleNextPacket();
 }
 
 void
-ConsumerWindow::OnNack (Ptr<const Interest> interest)
+ConsumerWindow::OnNack(Ptr<const Interest> interest)
 {
-  Consumer::OnNack (interest);
+  Consumer::OnNack(interest);
 
-  if (m_inFlight > static_cast<uint32_t> (0)) m_inFlight--;
+  if (m_inFlight > static_cast<uint32_t>(0))
+    m_inFlight--;
 
-  if (m_window > static_cast<uint32_t> (0))
-    {
-      // m_window = 0.5 * m_window;//m_window - 1;
-      m_window = std::max<uint32_t> (0, m_window - 1);
-    }
+  if (m_window > static_cast<uint32_t>(0)) {
+    // m_window = 0.5 * m_window;//m_window - 1;
+    m_window = std::max<uint32_t>(0, m_window - 1);
+  }
 
-  NS_LOG_DEBUG ("Window: " << m_window << ", InFlight: " << m_inFlight);
+  NS_LOG_DEBUG("Window: " << m_window << ", InFlight: " << m_inFlight);
 
-  ScheduleNextPacket ();
+  ScheduleNextPacket();
 }
 
 void
-ConsumerWindow::OnTimeout (uint32_t sequenceNumber)
+ConsumerWindow::OnTimeout(uint32_t sequenceNumber)
 {
-  if (m_inFlight > static_cast<uint32_t> (0)) m_inFlight--;
+  if (m_inFlight > static_cast<uint32_t>(0))
+    m_inFlight--;
 
-  if (m_setInitialWindowOnTimeout)
-    {
-      // m_window = std::max<uint32_t> (0, m_window - 1);
-      m_window = m_initialWindow;
-    }
+  if (m_setInitialWindowOnTimeout) {
+    // m_window = std::max<uint32_t> (0, m_window - 1);
+    m_window = m_initialWindow;
+  }
 
-  NS_LOG_DEBUG ("Window: " << m_window << ", InFlight: " << m_inFlight);
-  Consumer::OnTimeout (sequenceNumber);
+  NS_LOG_DEBUG("Window: " << m_window << ", InFlight: " << m_inFlight);
+  Consumer::OnTimeout(sequenceNumber);
 }
 
 void
-ConsumerWindow::WillSendOutInterest (uint32_t sequenceNumber)
+ConsumerWindow::WillSendOutInterest(uint32_t sequenceNumber)
 {
-  m_inFlight ++;
-  Consumer::WillSendOutInterest (sequenceNumber);
+  m_inFlight++;
+  Consumer::WillSendOutInterest(sequenceNumber);
 }
 
-
 } // namespace ndn
 } // namespace ns3