From fdff20e96d7198124542e6d03c27e1d496c4b328 Mon Sep 17 00:00:00 2001
From: Sergiy G <piratfm@gmail.com>
Date: Wed, 31 Jan 2018 10:41:34 +0200
Subject: Enabled multicast support. Fix missing header in PAPRStats

---
 src/EtiReader.cpp | 39 +++++++++++++++++++++++++--------------
 src/EtiReader.h   |  2 ++
 src/PAPRStats.cpp |  1 +
 3 files changed, 28 insertions(+), 14 deletions(-)

(limited to 'src')

diff --git a/src/EtiReader.cpp b/src/EtiReader.cpp
index a28deb2..499e837 100644
--- a/src/EtiReader.cpp
+++ b/src/EtiReader.cpp
@@ -534,28 +534,39 @@ void EdiReader::assemble()
 EdiUdpInput::EdiUdpInput(EdiDecoder::ETIDecoder& decoder) :
     m_enabled(false),
     m_port(0),
+    m_bindto("0.0.0.0"),
+    m_mcastaddr("0.0.0.0"),
     m_decoder(decoder) { }
 
+
 void EdiUdpInput::Open(const std::string& uri)
 {
     etiLog.level(info) << "Opening EDI :" << uri;
+    size_t found_port = uri.find_first_of(":", 6);
+    if(found_port == string::npos)
+        throw std::invalid_argument("EDI input port must be provided");
+
+    m_port =std::stoi(uri.substr(found_port+1));
+    std::string host_full=uri.substr(6, found_port-6);// ignore udp://
+    size_t found_mcast = host_full.find_first_of("@"); //have multicast address:
+    if(found_mcast != string::npos) {
+        if(found_mcast>0)
+            m_bindto=host_full.substr(0,found_mcast);
+        m_mcastaddr=host_full.substr(found_mcast+1);
+    } else if(found_port != 6) {
+        m_bindto=host_full;
+    }
 
-    const std::regex re_udp("udp://:([0-9]+)");
-    std::smatch m;
-    if (std::regex_match(uri, m, re_udp)) {
-        m_port = std::stoi(m[1].str());
-
-        etiLog.level(info) << "EDI port :" << m_port;
+    etiLog.level(info) << "EDI input: host:" << m_bindto << ", source:" << m_mcastaddr << ", port:" << m_port;
 
-        // The max_fragments_queued is only a protection against a runaway
-        // memory usage.
-        // Rough calculation:
-        // 300 seconds, 24ms per frame, up to 20 fragments per frame
-        const size_t max_fragments_queued = 20 * 300 * 1000 / 24;
+    // The max_fragments_queued is only a protection against a runaway
+    // memory usage.
+    // Rough calculation:
+    // 300 seconds, 24ms per frame, up to 20 fragments per frame
+    const size_t max_fragments_queued = 20 * 300 * 1000 / 24;
 
-        m_udp_rx.start(m_port, max_fragments_queued);
-        m_enabled = true;
-    }
+    m_udp_rx.start(m_port, m_bindto, m_mcastaddr, max_fragments_queued);
+    m_enabled = true;
 }
 
 bool EdiUdpInput::rxPacket()
diff --git a/src/EtiReader.h b/src/EtiReader.h
index eb97e3b..4db5004 100644
--- a/src/EtiReader.h
+++ b/src/EtiReader.h
@@ -202,6 +202,8 @@ class EdiUdpInput {
     private:
         bool m_enabled;
         int m_port;
+        std::string m_bindto;
+        std::string m_mcastaddr;
 
         UdpReceiver m_udp_rx;
         EdiDecoder::ETIDecoder& m_decoder;
diff --git a/src/PAPRStats.cpp b/src/PAPRStats.cpp
index 1a72238..0c9764a 100644
--- a/src/PAPRStats.cpp
+++ b/src/PAPRStats.cpp
@@ -27,6 +27,7 @@
 #include "PAPRStats.h"
 #include <numeric>
 #include <cmath>
+#include <stdexcept>
 #if defined(TEST)
 /* compile with g++ -std=c++11 -Wall -DTEST PAPRStats.cpp -o paprtest */
 #  include <iostream>
-- 
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