From ce42e42ed7a4ef206196f68f698ba6cce2b5b7de Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Fri, 12 May 2017 09:17:39 +0200
Subject: [PATCH] Added handling RI_HOST_CONTROL to the CI protocol

---
 HISTORY |  4 +++-
 ci.c    | 38 ++++++++++++++++++++++++++++++++++++--
 2 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/HISTORY b/HISTORY
index 19e6cbe9..c1477b38 100644
--- a/HISTORY
+++ b/HISTORY
@@ -8991,7 +8991,7 @@ Video Disk Recorder Revision History
   current channel is listed.
 - Fixed a possible crash when pulling the CAM while decrypting a channel with MTD.
 
-2017-05-09: Version 2.3.5
+2017-05-12: Version 2.3.5
 
 - CAMs are now sent a generated EIT packet that contains a single 'present event' for
   the current SID, in order to avoid any parental rating dialogs.
@@ -9022,3 +9022,5 @@ Video Disk Recorder Revision History
 - Added a Status parameter to the interface of cDevice::SignalStats() and
   cDvbDevice::SignalStats() (thanks to Rolf Ahrenberg).
 - Fixed handling line numbers in error messages when reading EPG data.
+- Added handling RI_HOST_CONTROL to the CI protocol (no actual processing, but its
+  presence is required by some CAMs).
diff --git a/ci.c b/ci.c
index def1530a..41624c15 100644
--- a/ci.c
+++ b/ci.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: ci.c 4.14 2017/05/01 09:26:12 kls Exp $
+ * $Id: ci.c 4.15 2017/05/12 09:13:10 kls Exp $
  */
 
 #include "ci.h"
@@ -631,6 +631,7 @@ void cCiResourceManager::Process(int Length, const uint8_t *Data)
             uint32_t resources[] = { htonl(RI_RESOURCE_MANAGER),
                                      htonl(RI_APPLICATION_INFORMATION),
                                      htonl(RI_CONDITIONAL_ACCESS_SUPPORT),
+                                     htonl(RI_HOST_CONTROL),
                                      htonl(RI_DATE_TIME),
                                      htonl(RI_MMI)
                                    };
@@ -1080,6 +1081,39 @@ void cCiConditionalAccessSupport::SendPMT(cCiCaPmt *CaPmt)
      }
 }
 
+// --- cCiHostControl --------------------------------------------------------
+
+class cCiHostControl : public cCiSession {
+public:
+  cCiHostControl(uint16_t SessionId, cCiTransportConnection *Tc);
+  virtual void Process(int Length = 0, const uint8_t *Data = NULL);
+  };
+
+cCiHostControl::cCiHostControl(uint16_t SessionId, cCiTransportConnection* Tc)
+:cCiSession(SessionId, RI_HOST_CONTROL, Tc)
+{
+  dbgprotocol("Slot %d: new Host Control (session id %d)\n", Tc->CamSlot()->SlotNumber(), SessionId);
+}
+
+void cCiHostControl::Process(int Length, const uint8_t* Data)
+{
+  if (Data) {
+     int Tag = GetTag(Length, &Data);
+     switch (Tag) {
+       case AOT_TUNE:
+            dbgprotocol("Slot %d: <== Host Control Tune (%d)\n", Tc()->CamSlot()->SlotNumber(), SessionId());
+            break;
+       case AOT_REPLACE:
+            dbgprotocol("Slot %d: <== Host Control Replace (%d)\n", Tc()->CamSlot()->SlotNumber(), SessionId());
+            break;
+       case AOT_CLEAR_REPLACE:
+            dbgprotocol("Slot %d: <== Host Control Clear Replace (%d)\n", Tc()->CamSlot()->SlotNumber(), SessionId());
+            break;
+       default: esyslog("ERROR: CAM %d: Host Control: unknown tag %06X", Tc()->CamSlot()->SlotNumber(), Tag);
+       }
+     }
+}
+
 // --- cCiDateTime -----------------------------------------------------------
 
 class cCiDateTime : public cCiSession {
@@ -1578,9 +1612,9 @@ void cCiTransportConnection::OpenSession(int Length, const uint8_t *Data)
                  case RI_RESOURCE_MANAGER:           sessions[i] = new cCiResourceManager(i, this); break;
                  case RI_APPLICATION_INFORMATION:    sessions[i] = new cCiApplicationInformation(i, this); break;
                  case RI_CONDITIONAL_ACCESS_SUPPORT: sessions[i] = new cCiConditionalAccessSupport(i, this); break;
+                 case RI_HOST_CONTROL:               sessions[i] = new cCiHostControl(i, this); break;
                  case RI_DATE_TIME:                  sessions[i] = new cCiDateTime(i, this); break;
                  case RI_MMI:                        sessions[i] = new cCiMMI(i, this); break;
-                 case RI_HOST_CONTROL:               // not implemented
                  default: esyslog("ERROR: CAM %d: unknown resource identifier: %08X (%d/%d)", camSlot->SlotNumber(), ResourceId, camSlot->SlotIndex(), tcid);
                  }
                if (sessions[i])