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-rw-r--r--ace/SOCK_Dgram_Mcast.cpp994
1 files changed, 0 insertions, 994 deletions
diff --git a/ace/SOCK_Dgram_Mcast.cpp b/ace/SOCK_Dgram_Mcast.cpp
deleted file mode 100644
index cde3a99c24f..00000000000
--- a/ace/SOCK_Dgram_Mcast.cpp
+++ /dev/null
@@ -1,994 +0,0 @@
-// $Id$
-
-#include "ace/SOCK_Dgram_Mcast.h"
-
-#include "ace/OS_Memory.h"
-#include "ace/OS_NS_string.h"
-#include "ace/OS_NS_errno.h"
-#include "ace/os_include/net/os_if.h"
-#include "ace/os_include/arpa/os_inet.h"
-
-#if defined (__linux__) && defined (ACE_HAS_IPV6)
-#include "ace/OS_NS_sys_socket.h"
-#endif
-
-#if defined (ACE_HAS_IPV6) && defined (ACE_WIN32)
-#include /**/ <Iphlpapi.h>
-#endif
-
-#if !defined (__ACE_INLINE__)
-#include "ace/SOCK_Dgram_Mcast.inl"
-#endif /* __ACE_INLINE__ */
-
-ACE_RCSID (ace,
- SOCK_Dgram_Mcast,
- "$Id$")
-
-#include "ace/Log_Msg.h"
-
-// This is a workaround for platforms with non-standard
-// definitions of the ip_mreq structure
-#if ! defined (IMR_MULTIADDR)
-#define IMR_MULTIADDR imr_multiaddr
-#endif /* ! defined (IMR_MULTIADDR) */
-
-ACE_BEGIN_VERSIONED_NAMESPACE_DECL
-
-// Helper (inline) functions.
-class ACE_SDM_helpers
-{
-public:
- // Convert ACE_INET_Addr to string, using local formatting rules.
-
- static void addr_to_string (const ACE_INET_Addr &ip_addr,
- ACE_TCHAR *ret_string, // results here.
- size_t len,
- int clip_portnum) // clip port# info?
- {
- if (ip_addr.addr_to_string (ret_string, len, 1) == -1)
- ACE_OS::strcpy (ret_string, ACE_LIB_TEXT ("<?>"));
- else
- {
- ACE_TCHAR *pc;
- if (clip_portnum
- && (pc = ACE_OS::strrchr (ret_string, ACE_LIB_TEXT (':'))))
- *pc = ACE_LIB_TEXT ('\0'); // clip port# info.
- }
- }
- // op== for ip_mreq structs.
- static int is_equal (const ip_mreq &m1, const ip_mreq &m2)
- {
- return m1.IMR_MULTIADDR.s_addr == m2.IMR_MULTIADDR.s_addr
- && m1.imr_interface.s_addr == m2.imr_interface.s_addr;
- }
-};
-
-ACE_ALLOC_HOOK_DEFINE (ACE_SOCK_Dgram_Mcast)
-
-void
-ACE_SOCK_Dgram_Mcast::dump (void) const
-{
-#if defined (ACE_HAS_DUMP)
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::dump");
-
- ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
-
-# if defined (ACE_SOCK_DGRAM_MCAST_DUMPABLE)
- ACE_TCHAR addr_string[MAXNAMELEN + 1];
-
- ACE_DEBUG ((LM_DEBUG,
- ACE_LIB_TEXT ("\nOptions: bindaddr=%s, nulliface=%s\n"),
- ACE_BIT_ENABLED (this->opts_, OPT_BINDADDR_YES) ?
- ACE_LIB_TEXT ("<Bound>") : ACE_LIB_TEXT ("<Not Bound>"),
- ACE_BIT_ENABLED (this->opts_, OPT_NULLIFACE_ALL) ?
- ACE_LIB_TEXT ("<All Ifaces>") : ACE_LIB_TEXT ("<Default Iface>")));
-
- // Show default send addr, port#, and interface.
- ACE_SDM_helpers::addr_to_string (this->send_addr_, addr_string,
- sizeof addr_string, 0);
- ACE_DEBUG ((LM_DEBUG,
- ACE_LIB_TEXT ("Send addr=%s iface=%s\n"),
- addr_string,
- this->send_net_if_ ? this->send_net_if_
- : ACE_LIB_TEXT ("<default>")));
-
- // Show list of subscribed addresses.
- ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("Subscription list:\n")));
-
- ACE_MT (ACE_GUARD (ACE_SDM_LOCK, guard, this->subscription_list_lock_));
- subscription_list_iter_t iter (this->subscription_list_);
- for ( ; !iter.done (); iter.advance ())
- {
- ACE_TCHAR iface_string[MAXNAMELEN + 1];
- ip_mreq *pm = iter.next ();
-
- // Get subscribed address (w/out port# info - not relevant).
- ACE_INET_Addr ip_addr (static_cast<u_short> (0),
- ACE_NTOHL (pm->IMR_MULTIADDR.s_addr));
- ACE_SDM_helpers::addr_to_string (ip_addr, addr_string,
- sizeof addr_string, 1);
-
- // Get interface address/specification.
- ACE_INET_Addr if_addr (static_cast<u_short> (0),
- ACE_NTOHL (pm->imr_interface.s_addr));
- ACE_SDM_helpers::addr_to_string (if_addr, iface_string,
- sizeof iface_string, 1);
- if (ACE_OS::strcmp (iface_string, ACE_LIB_TEXT ("0.0.0.0")) == 0)
- // Receives on system default iface. (Note that null_iface_opt_
- // option processing has already occurred.)
- ACE_OS::strcpy (iface_string, ACE_LIB_TEXT ("<default>"));
-
- // Dump info.
- ACE_DEBUG ((LM_DEBUG,
- ACE_LIB_TEXT ("\taddr=%s iface=%s\n"),
- addr_string,
- iface_string));
- }
-# endif /* ACE_SOCK_DGRAM_MCAST_DUMPABLE */
- ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
-#endif /* ACE_HAS_DUMP */
-}
-
-// Constructor.
-ACE_SOCK_Dgram_Mcast::ACE_SOCK_Dgram_Mcast
- (ACE_SOCK_Dgram_Mcast::options opts)
- : opts_ (opts),
- send_net_if_ (0)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::ACE_SOCK_Dgram_Mcast");
-}
-
-// Destructor.
-ACE_SOCK_Dgram_Mcast::~ACE_SOCK_Dgram_Mcast (void)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::~ACE_SOCK_Dgram_Mcast");
-
- // Free memory and optionally unsubscribe from currently subscribed group(s).
- delete [] this->send_net_if_;
- this->clear_subs_list ();
-}
-
-int
-ACE_SOCK_Dgram_Mcast::open (const ACE_INET_Addr &mcast_addr,
- const ACE_TCHAR *net_if,
- int reuse_addr)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::open");
-
- // Only perform the <open> initialization if we haven't been opened
- // earlier.
- // No sanity check? We should probably flag an error if the user
- // makes multiple calls to open().
- if (this->get_handle () != ACE_INVALID_HANDLE)
- return 0;
-
- // Invoke lower-layer ::open.
- if (ACE_SOCK::open (SOCK_DGRAM,
- mcast_addr.get_type (),
- 0, // always use 0
- reuse_addr) == -1)
- return -1;
-
- return this->open_i (mcast_addr, net_if, reuse_addr);
-}
-
-int
-ACE_SOCK_Dgram_Mcast::open_i (const ACE_INET_Addr &mcast_addr,
- const ACE_TCHAR *net_if,
- int reuse_addr)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::open_i");
- // ACE_SOCK::open calls this if reuse_addr is set, so we only need to
- // process port reuse option.
- if (reuse_addr)
- {
-#if defined (SO_REUSEPORT)
- int one = 1;
- if (this->ACE_SOCK::set_option (SOL_SOCKET,
- SO_REUSEPORT,
- &one,
- sizeof one) == -1)
- return -1;
-#endif /* SO_REUSEPORT */
- }
-
- // Create an address/port# to bind the socket to. Use mcast_addr to
- // initialize bind_addy to pick up the correct protocol family. If
- // OPT_BINDADDR_YES is set, then we're done. Else use mcast_addr's
- // port number and use the "any" address.
- ACE_INET_Addr bind_addy (mcast_addr);
- if (ACE_BIT_DISABLED (this->opts_, OPT_BINDADDR_YES))
- {
-#if defined (ACE_HAS_IPV6)
- if (mcast_addr.get_type () == PF_INET6)
- {
- if (bind_addy.set (mcast_addr.get_port_number (), "::",
- 1, AF_INET6) == -1)
- return -1;
- }
- else
- // Bind to "any" address and explicit port#.
- if (bind_addy.set (mcast_addr.get_port_number ()) == -1)
- return -1;
-#else
- // Bind to "any" address and explicit port#.
- if (bind_addy.set (mcast_addr.get_port_number ()) == -1)
- return -1;
-#endif /* ACE_HAS_IPV6 */
- }
-
- // Bind to the address (which may be INADDR_ANY) and port# (which may be 0)
- if (ACE_SOCK_Dgram::shared_open (bind_addy, bind_addy.get_type ()) == -1)
- return -1;
-
- // Cache the actual bound address (which may be INADDR_ANY)
- // and the actual bound port# (which will be a valid, non-zero port#).
- ACE_INET_Addr bound_addy;
- if (this->get_local_addr (bound_addy) == -1)
- {
- // (Unexpected failure - should be bound to something)
- if (bound_addy.set (bind_addy) == -1)
- {
- // (Shouldn't happen - bind_addy is a valid addy; punt.)
- return -1;
- }
- }
-
- this->send_addr_ = mcast_addr;
- this->send_addr_.set_port_number (bound_addy.get_port_number ());
- if (net_if)
- {
- if (this->set_nic (net_if, mcast_addr.get_type ()))
- return -1;
-
- this->send_net_if_ = new ACE_TCHAR[ACE_OS::strlen (net_if) + 1];
- ACE_OS::strcpy (this->send_net_if_, net_if);
- }
-
- return 0;
-}
-
-int
-ACE_SOCK_Dgram_Mcast::subscribe_ifs (const ACE_INET_Addr &mcast_addr,
- const ACE_TCHAR *net_if,
- int reuse_addr)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::subscribe_ifs");
-
- if (ACE_BIT_ENABLED (this->opts_, OPT_NULLIFACE_ALL)
- && net_if == 0)
- {
-#if defined (ACE_HAS_IPV6)
- if (mcast_addr.get_type () == AF_INET6)
- {
- size_t nr_subscribed = 0;
-# if defined(__linux__)
- struct if_nameindex *intf;
-
- intf = ACE_OS::if_nameindex ();
-
- if (intf == 0)
- return -1;
-
- int index = 0;
- while (intf[index].if_index != 0 || intf[index].if_name != 0)
- {
- if (this->join (mcast_addr, reuse_addr,
- ACE_TEXT_CHAR_TO_TCHAR(intf[index].if_name)) == 0)
- ++nr_subscribed;
-
- ++index;
- }
-
- ACE_OS::if_freenameindex (intf);
-
-# elif defined (ACE_WIN32)
-
- IP_ADAPTER_ADDRESSES tmp_addrs;
- // Initial call to determine actual memory size needed
- DWORD dwRetVal;
- ULONG bufLen = 0;
- if ((dwRetVal = ::GetAdaptersAddresses (AF_INET6,
- 0,
- NULL,
- &tmp_addrs,
- &bufLen)) != ERROR_BUFFER_OVERFLOW)
- return -1; // With output bufferlength 0 this can't be right.
-
- // Get required output buffer and retrieve info for real.
- PIP_ADAPTER_ADDRESSES pAddrs;
- char *buf;
- ACE_NEW_RETURN (buf,
- char[bufLen],
- -1);
- pAddrs = reinterpret_cast<PIP_ADAPTER_ADDRESSES> (buf);
- if ((dwRetVal = ::GetAdaptersAddresses (AF_INET6,
- 0,
- NULL,
- pAddrs,
- &bufLen)) != NO_ERROR)
- {
- delete[] buf; // clean up
- return -1;
- }
-
- while (pAddrs)
- {
- if (this->join (mcast_addr, reuse_addr,
- ACE_TEXT_CHAR_TO_TCHAR(pAddrs->AdapterName)) == 0)
- ++nr_subscribed;
-
- pAddrs = pAddrs->Next;
- }
-
- delete[] buf; // clean up
-
-# endif /* ACE_WIN32 */
-
- if (nr_subscribed == 0)
- {
- errno = ENODEV;
- return -1;
- }
-
- return 1;
- }
- else
- {
- // Subscribe on all local multicast-capable network interfaces, by
- // doing recursive calls with specific interfaces.
-
- ACE_INET_Addr *if_addrs = 0;
- size_t if_cnt;
-
- if (ACE::get_ip_interfaces (if_cnt, if_addrs) != 0)
- return -1;
-
- size_t nr_subscribed = 0;
-
- if (if_cnt < 2)
- {
- if (this->subscribe (mcast_addr,
- reuse_addr,
- ACE_LIB_TEXT ("0.0.0.0")) == 0)
- ++nr_subscribed;
- }
- else
- {
- // Iterate through all the interfaces, figure out which ones
- // offer multicast service, and subscribe to them.
- while (if_cnt > 0)
- {
- --if_cnt;
-
- // Convert to 0-based for indexing, next loop check.
- if (if_addrs[if_cnt].get_type () != AF_INET || if_addrs[if_cnt].is_loopback ())
- continue;
- if (this->subscribe (mcast_addr,
- reuse_addr,
- ACE_TEXT_CHAR_TO_TCHAR
- (if_addrs[if_cnt].get_host_addr ())) == 0)
- ++nr_subscribed;
- }
- }
-
- delete [] if_addrs;
-
- if (nr_subscribed == 0)
- {
- errno = ENODEV;
- return -1;
- }
-
- // 1 indicates a "short-circuit" return. This handles the
- // recursive behavior of checking all the interfaces.
- return 1;
-
- }
-#else
- // Subscribe on all local multicast-capable network interfaces, by
- // doing recursive calls with specific interfaces.
-
- ACE_INET_Addr *if_addrs = 0;
- size_t if_cnt;
-
- if (ACE::get_ip_interfaces (if_cnt, if_addrs) != 0)
- return -1;
-
- size_t nr_subscribed = 0;
-
- if (if_cnt < 2)
- {
- if (this->subscribe (mcast_addr,
- reuse_addr,
- ACE_LIB_TEXT ("0.0.0.0")) == 0)
- ++nr_subscribed;
- }
- else
- {
- // Iterate through all the interfaces, figure out which ones
- // offer multicast service, and subscribe to them.
- while (if_cnt > 0)
- {
- --if_cnt;
-
- // Convert to 0-based for indexing, next loop check.
- if (if_addrs[if_cnt].is_loopback ())
- continue;
- if (this->subscribe (mcast_addr,
- reuse_addr,
- ACE_TEXT_CHAR_TO_TCHAR
- (if_addrs[if_cnt].get_host_addr ())) == 0)
- ++nr_subscribed;
- }
- }
-
- delete [] if_addrs;
-
- if (nr_subscribed == 0)
- {
- errno = ENODEV;
- return -1;
- }
-
- // 1 indicates a "short-circuit" return. This handles the
- // recursive behavior of checking all the interfaces.
- return 1;
-#endif /* ACE_HAS_IPV6 */
- }
-
-#if defined (ACE_HAS_IPV6)
- if (mcast_addr.get_type () == AF_INET6)
- {
- if (this->make_multicast_ifaddr6 (0, mcast_addr, net_if) == -1)
- return -1;
- }
- else
- {
- // Validate passed multicast addr and iface specifications.
- if (this->make_multicast_ifaddr (0,
- mcast_addr,
- net_if) == -1)
- return -1;
- }
-#else
- // Validate passed multicast addr and iface specifications.
- if (this->make_multicast_ifaddr (0,
- mcast_addr,
- net_if) == -1)
- return -1;
-#endif /* ACE_HAS_IPV6 */
-
- return 0;
-
-}
-
-// Subscribe and add address/iface to subscription list if successful.
-int
-ACE_SOCK_Dgram_Mcast::subscribe (const ACE_INET_Addr &mcast_addr,
- int reuse_addr,
- const ACE_TCHAR *net_if,
- int protocol_family,
- int protocol)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::subscribe");
-
- ACE_UNUSED_ARG (protocol_family);
- ACE_UNUSED_ARG (protocol);
-
- return this->join (mcast_addr,reuse_addr, net_if);
-}
-
-int
-ACE_SOCK_Dgram_Mcast::join (const ACE_INET_Addr &mcast_addr,
- int reuse_addr,
- const ACE_TCHAR *net_if)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::join");
- ACE_INET_Addr subscribe_addr = mcast_addr;
-
- // If port# is 0, insert bound port# if it is set. (To satisfy lower-level
- // port# validation.)
- u_short def_port_number = this->send_addr_.get_port_number ();
- if (subscribe_addr.get_port_number () == 0
- && def_port_number != 0)
- {
- subscribe_addr.set_port_number (def_port_number);
- }
-
- // Check for port# different than bound port#.
- u_short sub_port_number = mcast_addr.get_port_number ();
- if (sub_port_number != 0
- && def_port_number != 0
- && sub_port_number != def_port_number)
- {
- ACE_ERROR ((LM_ERROR,
- ACE_LIB_TEXT ("Subscribed port# (%u) different than bound ")
- ACE_LIB_TEXT ("port# (%u).\n"),
- (u_int) sub_port_number,
- (u_int) def_port_number));
- errno = ENXIO;
- return -1;
- }
-
- // If bind_addr_opt_ is enabled, check for address different than
- // bound address.
- ACE_INET_Addr tmp_addr (this->send_addr_);
- tmp_addr.set_port_number (mcast_addr.get_port_number ()); // force equal port numbers
- if (ACE_BIT_ENABLED (this->opts_, OPT_BINDADDR_YES)
- && !this->send_addr_.is_any ()
- && this->send_addr_ != mcast_addr)
- {
- ACE_TCHAR sub_addr_string[MAXNAMELEN + 1];
- ACE_TCHAR bound_addr_string[MAXNAMELEN + 1];
- ACE_SDM_helpers::addr_to_string (mcast_addr, sub_addr_string,
- sizeof sub_addr_string, 1);
- ACE_SDM_helpers::addr_to_string (this->send_addr_, bound_addr_string,
- sizeof bound_addr_string, 1);
- ACE_ERROR ((LM_ERROR,
- ACE_LIB_TEXT ("Subscribed address (%s) different than ")
- ACE_LIB_TEXT ("bound address (%s).\n"),
- sub_addr_string,
- bound_addr_string));
- errno = ENXIO;
- return -1;
- }
-
- // Attempt subscription.
- int result = this->subscribe_i (subscribe_addr, reuse_addr, net_if);
-
-#if defined (ACE_SOCK_DGRAM_MCAST_DUMPABLE)
- if (result == 0)
- {
- // Add this addr/iface info to the list of subscriptions.
- // (Assumes this is unique addr/iface combo - most systems don't allow
- // re-sub to same addr/iface.)
- ip_mreq *pmreq = new ip_mreq;
- // (should not fail)
- if (this->make_multicast_ifaddr (pmreq, subscribe_addr, net_if) != -1)
- {
- ACE_MT (ACE_GUARD_RETURN (ACE_SDM_LOCK, guard,
- this->subscription_list_lock_, -1));
- this->subscription_list_.insert_tail (pmreq);
- return 0;
- }
- // this still isn't really right. If ACE_GUARD_RETURN fails, we leak.
- // Need to add one of Chris' fancy ace auto pointers (bound?).
- delete pmreq;
- }
-#endif /* ACE_SOCK_DGRAM_MCAST_DUMPABLE */
-
- return result >= 0 ? 0 : result;
-}
-
-// Attempt subscribe and return status.
-int
-ACE_SOCK_Dgram_Mcast::subscribe_i (const ACE_INET_Addr &mcast_addr,
- int reuse_addr,
- const ACE_TCHAR *net_if)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::subscribe_i");
- ip_mreq mreq;
-#if defined (ACE_HAS_IPV6)
- ipv6_mreq mreq6;
-#endif /* __linux__ && ACE_HAS_IPV6 */
-
- // Open the socket IFF this is the first ::subscribe and ::open
- // was not explicitly invoked.
- if (this->open (mcast_addr,
- net_if,
- reuse_addr) == -1)
- return -1;
-
- // Only do this if net_if == 0, i.e., INADDR_ANY
- if (net_if == 0)
- {
- int result = this->subscribe_ifs (mcast_addr,
- net_if,
- reuse_addr);
- // Check for error or "short-circuit" return.
- if (result != 0)
- return result;
- }
-
-#if defined (ACE_HAS_IPV6)
- if (mcast_addr.get_type () == AF_INET6)
- {
- if (this->make_multicast_ifaddr6 (&mreq6, mcast_addr, net_if) == -1)
- return -1;
- // Tell IP stack to pass messages sent to this group.
- else if (this->ACE_SOCK::set_option (IPPROTO_IPV6,
- IPV6_JOIN_GROUP,
- &mreq6,
- sizeof mreq6) == -1)
- return -1;
- }
- else
- {
- // Create multicast addr/if struct.
- if (this->make_multicast_ifaddr (&mreq, mcast_addr, net_if) == -1)
- return -1;
- // Tell IP stack to pass messages sent to this group.
- else if (this->ACE_SOCK::set_option (IPPROTO_IP,
- IP_ADD_MEMBERSHIP,
- &mreq,
- sizeof mreq) == -1)
- return -1;
-
- }
-#else
- if (this->make_multicast_ifaddr (&mreq, mcast_addr, net_if) == -1)
- return -1;
- // Tell IP stack to pass messages sent to this group.
- // Note, this is not IPv6 compliant.
- else if (this->ACE_SOCK::set_option (IPPROTO_IP,
- IP_ADD_MEMBERSHIP,
- &mreq,
- sizeof mreq) == -1)
- return -1;
-
-#endif /* ACE_HAS_IPV6 */
-
- return 0;
-}
-
-int
-ACE_SOCK_Dgram_Mcast::unsubscribe_ifs (const ACE_INET_Addr &mcast_addr,
- const ACE_TCHAR *net_if)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::unsubscribe_ifs");
-
-
- if (ACE_BIT_ENABLED (this->opts_, OPT_NULLIFACE_ALL)
- && net_if == 0)
- {
-#if defined (ACE_HAS_IPV6)
- if (mcast_addr.get_type () == AF_INET6)
- {
- size_t nr_unsubscribed = 0;
-# if defined(__linux__)
-
- struct if_nameindex *intf;
-
- intf = ACE_OS::if_nameindex ();
-
- if (intf == 0)
- return -1;
-
- int index = 0;
- while (intf[index].if_index != 0 || intf[index].if_name != 0)
- {
- if (this->leave (mcast_addr, ACE_TEXT_CHAR_TO_TCHAR(intf[index].if_name)) == 0)
- ++nr_unsubscribed;
-
- ++index;
- }
-
- ACE_OS::if_freenameindex (intf);
-
-# elif defined (ACE_WIN32)
-
- IP_ADAPTER_ADDRESSES tmp_addrs;
- // Initial call to determine actual memory size needed
- DWORD dwRetVal;
- ULONG bufLen = 0;
- if ((dwRetVal = ::GetAdaptersAddresses (AF_INET6,
- 0,
- NULL,
- &tmp_addrs,
- &bufLen)) != ERROR_BUFFER_OVERFLOW)
- return -1; // With output bufferlength 0 this can't be right.
-
- // Get required output buffer and retrieve info for real.
- PIP_ADAPTER_ADDRESSES pAddrs;
- char *buf;
- ACE_NEW_RETURN (buf,
- char[bufLen],
- -1);
- pAddrs = reinterpret_cast<PIP_ADAPTER_ADDRESSES> (buf);
- if ((dwRetVal = ::GetAdaptersAddresses (AF_INET6,
- 0,
- NULL,
- pAddrs,
- &bufLen)) != NO_ERROR)
- {
- delete[] buf; // clean up
- return -1;
- }
-
- while (pAddrs)
- {
- if (this->leave (mcast_addr, ACE_TEXT_CHAR_TO_TCHAR(pAddrs->AdapterName)) == 0)
- ++nr_unsubscribed;
-
- pAddrs = pAddrs->Next;
- }
-
- delete[] buf; // clean up
-
-# endif /* ACE_WIN32 */
-
- if (nr_unsubscribed == 0)
- {
- errno = ENODEV;
- return -1;
- }
-
- return 1;
-
-
- }
- else
- {
- // Unsubscribe on all local multicast-capable network interfaces, by
- // doing recursive calls with specific interfaces.
-
- ACE_INET_Addr *if_addrs = 0;
- size_t if_cnt;
-
- // NOTE - <get_ip_interfaces> doesn't always get all of the
- // interfaces. In particular, it may not get a PPP interface. This
- // is a limitation of the way <get_ip_interfaces> works with
- // old versions of MSVC. The reliable way of getting the interface
- // list is available only with MSVC 5 and newer.
- if (ACE::get_ip_interfaces (if_cnt, if_addrs) != 0)
- return -1;
-
- size_t nr_unsubscribed = 0;
-
- if (if_cnt < 2)
- {
- if (this->leave (mcast_addr,
- ACE_LIB_TEXT ("0.0.0.0")) == 0)
- ++nr_unsubscribed;
- }
- else
- {
- while (if_cnt > 0)
- {
- --if_cnt;
- // Convert to 0-based for indexing, next loop check
- if (if_addrs[if_cnt].get_type () != AF_INET || if_addrs[if_cnt].is_loopback ())
- continue;
- if (this->leave (mcast_addr,
- ACE_TEXT_CHAR_TO_TCHAR
- (if_addrs[if_cnt].get_host_addr ())) == 0)
- ++nr_unsubscribed;
- }
- }
-
- delete [] if_addrs;
-
- if (nr_unsubscribed == 0)
- {
- errno = ENODEV;
- return -1;
- }
-
- return 1;
-
- }
-#else /* ACE_HAS_IPV6 */
- // Unsubscribe on all local multicast-capable network interfaces, by
- // doing recursive calls with specific interfaces.
-
- ACE_INET_Addr *if_addrs = 0;
- size_t if_cnt;
-
- // NOTE - <get_ip_interfaces> doesn't always get all of the
- // interfaces. In particular, it may not get a PPP interface. This
- // is a limitation of the way <get_ip_interfaces> works with
- // old versions of MSVC. The reliable way of getting the interface list
- // is available only with MSVC 5 and newer.
- if (ACE::get_ip_interfaces (if_cnt, if_addrs) != 0)
- return -1;
-
- size_t nr_unsubscribed = 0;
-
- if (if_cnt < 2)
- {
- if (this->leave (mcast_addr,
- ACE_LIB_TEXT ("0.0.0.0")) == 0)
- ++nr_unsubscribed;
- }
- else
- {
- while (if_cnt > 0)
- {
- --if_cnt;
- // Convert to 0-based for indexing, next loop check
- if (if_addrs[if_cnt].is_loopback ())
- continue;
- if (this->leave (mcast_addr,
- ACE_TEXT_CHAR_TO_TCHAR
- (if_addrs[if_cnt].get_host_addr ())) == 0)
- ++nr_unsubscribed;
- }
- }
-
- delete [] if_addrs;
-
- if (nr_unsubscribed == 0)
- {
- errno = ENODEV;
- return -1;
- }
-
- return 1;
-#endif /* !ACE_HAS_IPV6 */
- }
-
- return 0;
-}
-
-
-// Unsubscribe, and remove address from subscription list.
-// Note: If there are duplicate entries, only finds the first in the list (this
-// is a defined restriction - most environments don't allow duplicates to be
-// created.)
-int
-ACE_SOCK_Dgram_Mcast::unsubscribe (const ACE_INET_Addr &mcast_addr,
- const ACE_TCHAR *net_if,
- int protocol_family,
- int protocol)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::unsubscribe");
-
- ACE_UNUSED_ARG (protocol_family);
- ACE_UNUSED_ARG (protocol);
-
- return this->leave (mcast_addr, net_if);
-}
-
-int
-ACE_SOCK_Dgram_Mcast::leave (const ACE_INET_Addr &mcast_addr,
- const ACE_TCHAR *net_if)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::leave");
- // Unsubscribe.
- int result = this->unsubscribe_i (mcast_addr,
- net_if);
-
-#if defined (ACE_SOCK_DGRAM_MCAST_DUMPABLE)
- // (Unconditionally) Remove this addr/if from subscription list.
- // (Addr/if is removed even if unsubscribe failed)
- ip_mreq tgt_mreq;
- if (this->make_multicast_ifaddr (&tgt_mreq,
- mcast_addr,
- net_if) != -1)
- {
- ACE_MT (ACE_GUARD_RETURN (ACE_SDM_LOCK, guard,
- this->subscription_list_lock_, -1));
- subscription_list_iter_t iter (this->subscription_list_);
- for (; !iter.done (); iter.advance ())
- {
- ip_mreq *pm = iter.next ();
- if (ACE_SDM_helpers::is_equal (*pm, tgt_mreq))
- {
- iter.remove ();
- delete pm;
- break;
- }
- }
- }
-#endif /* ACE_SOCK_DGRAM_MCAST_DUMPABLE */
-
- return result >= 0 ? 0 : result;
-}
-
-// Attempt unsubscribe and return status.
-int
-ACE_SOCK_Dgram_Mcast::unsubscribe_i (const ACE_INET_Addr &mcast_addr,
- const ACE_TCHAR *net_if)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::unsubscribe_i");
-
- int result = this->unsubscribe_ifs (mcast_addr,
- net_if);
-
- // Check for error or "short-circuit" return.
- if (result != 0)
- return result;
-
-#if defined (ACE_HAS_IPV6)
- if (mcast_addr.get_type () == AF_INET6)
- {
- // Validate addr/if specifications and create addr/if struct.
- ipv6_mreq mreq;
- if (this->make_multicast_ifaddr6 (&mreq, mcast_addr, net_if) == -1)
- {
- return -1;
- }
- // Tell network device driver to stop reading datagrams with the
- // <mcast_addr>.
- else if (ACE_SOCK::set_option (IPPROTO_IPV6,
- IPV6_LEAVE_GROUP,
- &mreq,
- sizeof mreq) == -1)
- {
- return -1;
- }
-
- }
- else // IPv4
- {
- // Validate addr/if specifications and create addr/if struct.
- ip_mreq mreq;
- if (this->make_multicast_ifaddr (&mreq, mcast_addr, net_if) == -1)
- {
- return -1;
- }
- // Tell network device driver to stop reading datagrams with the
- // <mcast_addr>.
- else if (ACE_SOCK::set_option (IPPROTO_IP,
- IP_DROP_MEMBERSHIP,
- &mreq,
- sizeof mreq) == -1)
- {
- return -1;
- }
-
- }
-#else
- // Validate addr/if specifications and create addr/if struct.
- ip_mreq mreq;
- if (this->make_multicast_ifaddr (&mreq, mcast_addr, net_if) == -1)
- {
- return -1;
- }
- // Tell network device driver to stop reading datagrams with the
- // <mcast_addr>.
- // Note, this is not IPv6 friendly...
- else if (ACE_SOCK::set_option (IPPROTO_IP,
- IP_DROP_MEMBERSHIP,
- &mreq,
- sizeof mreq) == -1)
- {
- return -1;
- }
-#endif /* ACE_HAS_IPV6 */
-
- return 0;
-}
-
-int
-ACE_SOCK_Dgram_Mcast::unsubscribe (void)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::unsubscribe");
-
- // Can't implement this reliably without keeping an expensive list,
- // and can't close the socket since the caller may want to continue
- // using the socket to send() or join() new groups. Even if we
- // wanted to be clever and reopen the socket, we'd need to know what
- // options had been set, and reset them--and we have no way of doing
- // that either. :-(
- // Should this return -1?
- ACE_ERROR_RETURN ((LM_INFO,
- ACE_LIB_TEXT ("ACE_SOCK_Dgram_Mcast::unsubscribe (void) ")
- ACE_LIB_TEXT ("has been deprecated. You must either ")
- ACE_LIB_TEXT ("close to socket to unsubscribe to all ")
- ACE_LIB_TEXT ("or unsubscribe to each individually.\n")),
- 0);
-}
-
-int
-ACE_SOCK_Dgram_Mcast::clear_subs_list (void)
-{
- ACE_TRACE ("ACE_SOCK_Dgram_Mcast::clear_subs_list");
- int result = 0;
-
-#if defined (ACE_SOCK_DGRAM_MCAST_DUMPABLE)
- ACE_MT (ACE_GUARD_RETURN (ACE_SDM_LOCK, guard,
- this->subscription_list_lock_, -1));
- subscription_list_iter_t iter (this->subscription_list_);
- for (; !iter.done (); /*Hack: Do _not_ ::advance after remove*/)
- {
- ip_mreq *pm = iter.next ();
- iter.remove ();
- delete pm;
- }
-#endif /* ACE_SOCK_DGRAM_MCAST_DUMPABLE */
- return result;
-}
-
-ACE_END_VERSIONED_NAMESPACE_DECL
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