From 3633bcc99aedda5d9ea36c143fa339139c763d3e Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 6 Jan 2017 11:35:35 +0100
Subject: Replace EDI-to-ETI converter with a dedicated EDI source

---
 src/EtiReader.h | 116 +++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 107 insertions(+), 9 deletions(-)

(limited to 'src/EtiReader.h')

diff --git a/src/EtiReader.h b/src/EtiReader.h
index cfc03af..04d627d 100644
--- a/src/EtiReader.h
+++ b/src/EtiReader.h
@@ -36,6 +36,8 @@
 #include "FicSource.h"
 #include "SubchannelSource.h"
 #include "TimestampDecoder.h"
+#include "lib/edi/ETIDecoder.hpp"
+#include "lib/UdpSocket.h"
 
 #include <vector>
 #include <memory>
@@ -43,26 +45,42 @@
 #include <sys/types.h>
 
 
-class EtiReader
+class EtiSource
+{
+public:
+    virtual unsigned getMode() = 0;
+    virtual unsigned getFp() = 0;
+
+    virtual bool sourceContainsTimestamp() = 0;
+    virtual void calculateTimestamp(struct frame_timestamp& ts) = 0;
+
+    virtual std::shared_ptr<FicSource>& getFic(void);
+    virtual const std::vector<std::shared_ptr<SubchannelSource> > getSubchannels() const = 0;
+
+protected:
+    std::shared_ptr<FicSource> myFicSource;
+};
+
+class EtiReader : public EtiSource
 {
 public:
     EtiReader(
             double& tist_offset_s,
             unsigned tist_delay_stages);
 
-    std::shared_ptr<FicSource>& getFic();
-    unsigned getMode();
-    unsigned getFp();
-    const std::vector<std::shared_ptr<SubchannelSource> >& getSubchannels();
+    virtual unsigned getMode();
+    virtual unsigned getFp();
     int process(const Buffer* dataIn);
 
-    void calculateTimestamp(struct frame_timestamp& ts)
+    virtual void calculateTimestamp(struct frame_timestamp& ts)
     {
         myTimestampDecoder.calculateTimestamp(ts);
     }
 
     /* Returns true if we have valid time stamps in the ETI*/
-    bool sourceContainsTimestamp();
+    virtual bool sourceContainsTimestamp();
+
+    virtual const std::vector<std::shared_ptr<SubchannelSource> > getSubchannels() const;
 
 private:
     /* Transform the ETI TIST to a PPS offset in units of 1/16384000 s */
@@ -78,13 +96,93 @@ private:
     eti_EOH eti_eoh;
     eti_EOF eti_eof;
     eti_TIST eti_tist;
-    std::shared_ptr<FicSource> myFicSource;
-    std::vector<std::shared_ptr<SubchannelSource> > mySources;
     TimestampDecoder myTimestampDecoder;
 
     size_t myCurrentFrame;
     bool eti_fc_valid;
+
+    std::vector<std::shared_ptr<SubchannelSource> > mySources;
+};
+
+class EdiReader : public EtiSource, public EdiDecoder::DataCollector
+{
+public:
+    virtual unsigned getMode();
+    virtual unsigned getFp();
+    virtual bool sourceContainsTimestamp() { return false; }
+    virtual void calculateTimestamp(struct frame_timestamp& ts)
+    { /* TODO */ }
+    virtual const std::vector<std::shared_ptr<SubchannelSource> > getSubchannels() const;
+
+    virtual bool isFrameReady(void);
+    virtual void clearFrame(void);
+
+    // Tell the ETIWriter what EDI protocol we receive in *ptr.
+    // This is not part of the ETI data, but is used as check
+    virtual void update_protocol(
+            const std::string& proto,
+            uint16_t major,
+            uint16_t minor);
+
+    // Update the data for the frame characterisation
+    virtual void update_fc_data(const EdiDecoder::eti_fc_data& fc_data);
+
+    virtual void update_fic(const std::vector<uint8_t>& fic);
+
+    virtual void update_err(uint8_t err);
+
+    // In addition to TSTA in ETI, EDI also transports more time
+    // stamp information.
+    virtual void update_edi_time(
+            uint32_t utco,
+            uint32_t seconds);
+
+    virtual void update_mnsc(uint16_t mnsc);
+
+    virtual void update_rfu(uint16_t rfu);
+
+    virtual void add_subchannel(const EdiDecoder::eti_stc_data& stc);
+
+    // Tell the ETIWriter that the AFPacket is complete
+    virtual void assemble(void);
+private:
+    bool m_proto_valid = false;
+    bool m_frameReady = false;
+
+    uint8_t m_err;
+
+    bool m_fc_valid = false;
+    EdiDecoder::eti_fc_data m_fc;
+
+    std::vector<uint8_t> m_fic;
+
+    bool m_time_valid = false;
+    uint32_t m_utco;
+    uint32_t m_seconds;
+
+    uint16_t m_mnsc = 0xffff;
+
+    // 16 bits: RFU field in EOH
+    uint16_t m_rfu = 0xffff;
+
+    std::map<uint8_t, std::shared_ptr<SubchannelSource> > m_sources;
 };
 
+class EdiUdpInput {
+    public:
+        EdiUdpInput(EdiDecoder::ETIDecoder& decoder);
 
+        int Open(const std::string& uri);
+
+        bool isEnabled(void) const { return m_enabled; }
+
+        void rxPacket(void);
+
+    private:
+        bool m_enabled;
+        int m_port;
+
+        UdpSocket m_sock;
+        EdiDecoder::ETIDecoder& m_decoder;
+};
 
-- 
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