From ceba96fd8069cfb480f22ae5fb7f6f55634d8f1e Mon Sep 17 00:00:00 2001
From: Jose <jose@zeroc.com>
Date: Fri, 23 Dec 2016 00:01:25 +0100
Subject: Fixed (ICE-7472) UWP and Mcast interface

In UWP the multicast interface must be send when the
datagram socket is bind.
---
 cpp/src/Ice/Network.cpp | 39 ++++++++++++++++++++++++++++++++++-----
 1 file changed, 34 insertions(+), 5 deletions(-)

(limited to 'cpp/src/Ice/Network.cpp')

diff --git a/cpp/src/Ice/Network.cpp b/cpp/src/Ice/Network.cpp
index f14f7c1fb2e..e53532c48d9 100755
--- a/cpp/src/Ice/Network.cpp
+++ b/cpp/src/Ice/Network.cpp
@@ -2047,7 +2047,7 @@ IceInternal::setMcastGroup(SOCKET fd, const Address& group, const string&)
     try
     {
         //
-        // NOTE: UWP doesn't allow specyfing the interface.
+        // NOTE: UWP mcast interface is set earlier in doBind.
         //
         safe_cast<DatagramSocket^>(fd)->JoinMulticastGroup(group.host);
 
@@ -2219,10 +2219,10 @@ checkResultAndWait(IAsyncAction^ action)
 }
 #endif
 
+#ifdef ICE_OS_UWP
 Address
-IceInternal::doBind(SOCKET fd, const Address& addr)
+IceInternal::doBind(SOCKET fd, const Address& addr, const string& intf)
 {
-#ifdef ICE_OS_UWP
     Address local;
     try
     {
@@ -2246,7 +2246,32 @@ IceInternal::doBind(SOCKET fd, const Address& addr)
         {
             if(addr.host == nullptr) // inaddr_any
             {
-                checkResultAndWait(datagram->BindServiceNameAsync(addr.port));
+                NetworkAdapter^ adapter;
+                if(!intf.empty())
+                {
+                    auto s = ref new String(Ice::stringToWstring(intf).c_str());
+                    auto profiles = NetworkInformation::GetConnectionProfiles();
+                    for(auto i = profiles->First(); adapter == nullptr && i->HasCurrent; i->MoveNext())
+                    {
+                        auto names = i->Current->GetNetworkNames();
+                        for(auto j = names->First(); adapter == nullptr && j->HasCurrent; j->MoveNext())
+                        {
+                            if(j->Current->Equals(s))
+                            {
+                                adapter = i->Current->NetworkAdapter;
+                            }
+                        }
+                    }
+                }
+
+                if(adapter)
+                {
+                    checkResultAndWait(datagram->BindServiceNameAsync(addr.port, adapter));
+                }
+                else
+                {
+                    checkResultAndWait(datagram->BindServiceNameAsync(addr.port));
+                }
             }
             else
             {
@@ -2262,7 +2287,11 @@ IceInternal::doBind(SOCKET fd, const Address& addr)
         throw;
     }
     return local;
+}
 #else
+Address
+IceInternal::doBind(SOCKET fd, const Address& addr, const string&)
+{
     int size = getAddressStorageSize(addr);
     assert(size != 0);
 
@@ -2283,8 +2312,8 @@ IceInternal::doBind(SOCKET fd, const Address& addr)
     assert(ret != SOCKET_ERROR);
 #  endif
     return local;
-#endif
 }
+#endif
 
 #ifndef ICE_OS_UWP
 
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