[core] Removed unused CUDTGroup::m_Positions.

Haivision · Jul 18, 2023 · ac34b1c · ac34b1c
1 parent 00fd3f5
commit ac34b1c
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diff --git a/srtcore/group.cpp b/srtcore/group.cpp
@@ -2330,44 +2330,6 @@ int CUDTGroup::recv(char* buf, int len, SRT_MSGCTRL& w_mc)
     throw CUDTException(MJ_AGAIN, MN_RDAVAIL, 0);
 }
 
-// [[using locked(m_GroupLock)]]
-CUDTGroup::ReadPos* CUDTGroup::checkPacketAhead()
-{
-    typedef map<SRTSOCKET, ReadPos>::iterator pit_t;
-    ReadPos*                                  out = 0;
-
-    // This map no longer maps only ahead links.
-    // Here are all links, and whether ahead, it's defined by the sequence.
-    for (pit_t i = m_Positions.begin(); i != m_Positions.end(); ++i)
-    {
-        // i->first: socket ID
-        // i->second: ReadPos { sequence, packet }
-        // We are not interested with the socket ID because we
-        // aren't going to read from it - we have the packet already.
-        ReadPos& a = i->second;
-
-        const int seqdiff = CSeqNo::seqcmp(a.mctrl.pktseq, m_RcvBaseSeqNo);
-        if (seqdiff == 1)
-        {
-            // The very next packet. Return it.
-            HLOGC(grlog.Debug,
-                  log << "group/recv: Base %" << m_RcvBaseSeqNo << " ahead delivery POSSIBLE %" << a.mctrl.pktseq
-                      << " #" << a.mctrl.msgno << " from @" << i->first << ")");
-            out = &a;
-        }
-        else if (seqdiff < 1 && !a.packet.empty())
-        {
-            HLOGC(grlog.Debug,
-                  log << "group/recv: @" << i->first << " dropping collected ahead %" << a.mctrl.pktseq << "#"
-                      << a.mctrl.msgno << " with base %" << m_RcvBaseSeqNo);
-            a.packet.clear();
-        }
-        // In case when it's >1, keep it in ahead
-    }
-
-    return out;
-}
-
 const char* CUDTGroup::StateStr(CUDTGroup::GroupState st)
 {
     static const char* const states[] = {"PENDING", "IDLE", "RUNNING", "BROKEN"};

diff --git a/srtcore/group.h b/srtcore/group.h
@@ -194,9 +194,6 @@ class CUDTGroup
             m_bConnected = false;
         }
 
-        // XXX BUGFIX
-        m_Positions.erase(id);
-
         return !empty;
     }
 
@@ -646,20 +643,6 @@ class CUDTGroup
     time_point m_tsStartTime;
     time_point m_tsRcvPeerStartTime;
 
-    struct ReadPos
-    {
-        std::vector<char> packet;
-        SRT_MSGCTRL       mctrl;
-        ReadPos(int32_t s)
-            : mctrl(srt_msgctrl_default)
-        {
-            mctrl.pktseq = s;
-        }
-    };
-    std::map<SRTSOCKET, ReadPos> m_Positions;
-
-    ReadPos* checkPacketAhead();
-
     void recv_CollectAliveAndBroken(std::vector<srt::CUDTSocket*>& w_alive, std::set<srt::CUDTSocket*>& w_broken);
 
     /// The function polls alive member sockets and retrieves a list of read-ready.