PPI: Missing commit

[senf.git] / Socket / Protocols / INet / MulticastSocketProtocol.cc

diff --git a/Socket/Protocols/INet/MulticastSocketProtocol.cc b/Socket/Protocols/INet/MulticastSocketProtocol.cc
index dca071e..e37108f 100644 (file)
--- a/Socket/Protocols/INet/MulticastSocketProtocol.cc
+++ b/Socket/Protocols/INet/MulticastSocketProtocol.cc
@@ -79,7 +79,7 @@ prefix_ void senf::MulticastSocketProtocol::mcIface(std::string const & iface)
     const
 {
     struct ip_mreqn mreqn;
-    ::memset(&mreqn,sizeof(mreqn),0);
+    ::memset(&mreqn, 0, sizeof(mreqn));
     if (!iface.empty()) {
         mreqn.imr_ifindex = if_nametoindex(iface.c_str());
         if (mreqn.imr_ifindex == 0)
@@ -183,6 +183,40 @@ prefix_ void senf::INet4MulticastSocketProtocol::mcDropMembership(INet4Address c
         SENF_THROW_SYSTEM_EXCEPTION("");
 }
 
+namespace {
+    void mc4SSMSourceRequest(int operation, int fd, senf::INet4Address const & group,
+                              senf::INet4Address const & source, std::string const & iface)
+    {
+        struct group_source_req req;
+        ::memset(&req, 0, sizeof(req));
+        req.gsr_interface = if_nametoindex(iface.c_str());
+        if (req.gsr_interface == 0)
+            throw senf::SystemException("::if_nametoindex()", ENOENT SENF_EXC_DEBUGINFO);
+        req.gsr_group.ss_family = AF_INET;
+        reinterpret_cast<struct sockaddr_in&>(req.gsr_group).sin_addr.s_addr = group.inaddr();
+        req.gsr_source.ss_family = AF_INET;
+        reinterpret_cast<struct sockaddr_in&>(req.gsr_source).sin_addr.s_addr = source.inaddr();
+        if (::setsockopt(fd, SOL_IP, MCAST_JOIN_SOURCE_GROUP, &req, sizeof(req)) < 0)
+            SENF_THROW_SYSTEM_EXCEPTION("::setsockopt()");
+    }
+}
+
+prefix_ void senf::INet4MulticastSocketProtocol::mcJoinSSMSource(INet4Address const & group,
+                                                                 INet4Address const & source,
+                                                                 std::string const & iface)
+    const
+{
+    mc4SSMSourceRequest(MCAST_JOIN_SOURCE_GROUP, fd(), group, source, iface);
+}
+
+prefix_ void senf::INet4MulticastSocketProtocol::mcLeaveSSMSource(INet4Address const & group,
+                                                                  INet4Address const & source,
+                                                                  std::string const & iface)
+    const
+{
+    mc4SSMSourceRequest(MCAST_LEAVE_SOURCE_GROUP, fd(), group, source, iface);
+}
+
 ///////////////////////////////////////////////////////////////////////////
 // senf::INet6MulticastSocketProtocol
 
@@ -208,6 +242,7 @@ prefix_ void senf::INet6MulticastSocketProtocol::mcAddMembership(INet6Address co
 
 prefix_ void senf::INet6MulticastSocketProtocol::mcAddMembership(INet6Address const & mcAddr,
                                                                  std::string const & iface)
+    const
 {
     if (mcAddr.inet4Mapped()) {
         struct ip_mreqn mreqn;
@@ -276,11 +311,68 @@ senf::INet6MulticastSocketProtocol::mcDropMembership(INet6Address const & mcAddr
     }
 }
 
+namespace {
+
+    void mc6SSMSourceRequest(int operation, int fd, senf::INet6Address const & group,
+                             senf::INet6Address const & source, int ifacei)
+    {
+        struct group_source_req req;
+        ::memset(&req, 0, sizeof(req));
+        req.gsr_interface = ifacei;
+        req.gsr_group.ss_family = AF_INET6;
+        std::copy(group.begin(), group.end(),
+                  reinterpret_cast<struct sockaddr_in6&>(req.gsr_group).sin6_addr.s6_addr);
+        req.gsr_source.ss_family = AF_INET6;
+        std::copy(source.begin(), source.end(),
+                  reinterpret_cast<struct sockaddr_in6&>(req.gsr_source).sin6_addr.s6_addr);
+        if (::setsockopt(fd, SOL_IPV6, MCAST_JOIN_SOURCE_GROUP, &req, sizeof(req)) < 0)
+            SENF_THROW_SYSTEM_EXCEPTION("::setsockopt()");
+    }
+
+    void mc6SSMSourceRequest(int operation, int fd, senf::INet6Address const & group,
+                             senf::INet6Address const & source, std::string const & iface)
+    {
+        int ifacei (0);
+        if (! iface.empty()) {
+            ifacei = if_nametoindex(iface.c_str());
+            if (ifacei == 0)
+                throw senf::SystemException("::if_nametoindex()", ENOENT SENF_EXC_DEBUGINFO);
+        }
+        mc6SSMSourceRequest(operation, fd, group, source, ifacei);
+    }
+
+}
+
+prefix_ void senf::INet6MulticastSocketProtocol::mcJoinSSMSource(INet6Address const & group,
+                                                                 INet6Address const & source,
+                                                                 std::string const & iface)
+    const
+{
+    mc6SSMSourceRequest(MCAST_JOIN_SOURCE_GROUP, fd(), group, source, iface);
+}
+
+prefix_ void senf::INet6MulticastSocketProtocol::mcJoinSSMSource(INet6Address const & group,
+                                                                 INet6Address const & source,
+                                                                 int ifacei)
+    const
+{
+    mc6SSMSourceRequest(MCAST_JOIN_SOURCE_GROUP, fd(), group, source, ifacei);
+}
+
+prefix_ void senf::INet6MulticastSocketProtocol::mcLeaveSSMSource(INet6Address const & group,
+                                                                  INet6Address const & source,
+                                                                  std::string const & iface)
+    const
+{
+    mc6SSMSourceRequest(MCAST_LEAVE_SOURCE_GROUP, fd(), group, source, iface);
+}
+
+
 ///////////////////////////////cc.e////////////////////////////////////////
 #undef prefix_
 //#include "MulticastSocketProtocol.mpp"
 
-\f
+
 // Local Variables:
 // mode: c++
 // fill-column: 100