Initial revision

1 files changed, 106 insertions, 0 deletions

diff --git a/ace/SOCK_Dgram_Bcast.h b/ace/SOCK_Dgram_Bcast.h
new file mode 100644
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+++ b/ace/SOCK_Dgram_Bcast.h
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+/* -*- C++ -*- */
+// $Id$
+
+
+// ============================================================================
+
+// = LIBRARY
+//    ace
+// 
+// = FILENAME
+//    SOCK_Dgram_Bcast.h
+//
+// = AUTHOR
+//    Doug Schmidt 
+// 
+// ============================================================================
+
+#if !defined (ACE_SOCK_DGRAM_BCAST_H)
+#define ACE_SOCK_DGRAM_BCAST_H
+
+#include "ace/INET_Addr.h"
+#include "ace/SOCK_Dgram.h"
+
+struct ACE_Bcast_Node 
+{
+  ACE_Bcast_Node (ACE_INET_Addr &, ACE_Bcast_Node *);
+
+  ACE_INET_Addr bcast_addr_;
+  // Broadcast address for the interface.
+
+  ACE_Bcast_Node *next_;
+  // Pointer to the next interface in the chain.
+};
+
+class ACE_Export ACE_SOCK_Dgram_Bcast : public ACE_SOCK_Dgram
+  // = TITLE
+  //     Defines the member functions for the ACE_SOCK datagram
+  //	 abstraction. 
+{
+public:
+  // = Initialization and termination methods.
+  ACE_SOCK_Dgram_Bcast (void);
+  // Default constructor.
+
+  ACE_SOCK_Dgram_Bcast (const ACE_Addr &local, 
+			int protocol_family = PF_INET, 
+			int protocol = 0);
+  // Initiate a connectionless datagram broadcast endpoint.
+
+  int open (const ACE_Addr &local, 
+	    int protocol_family = PF_INET, 
+	    int protocol = 0);
+  // Initiate a connectionless datagram broadcast endpoint.
+
+  int close (void);
+  // Close up and release dynamically allocated resources.
+
+  ssize_t send (const void *buf, 
+		size_t n, 
+		u_short portnum, 
+		int flags = 0) const;
+  // Broadcast the datagram to every interface.  Returns the average
+  // number of bytes sent.
+
+  ssize_t send (const iovec iov[], 
+		size_t n, 
+		u_short portnum, 
+		int flags = 0) const;
+  // Broadcast the <iovec> datagrams to every interface.  Returns the
+  // average number of bytes sent.
+
+  ssize_t send (const void *buf, 
+		size_t n, 
+		const ACE_Addr &addr, 
+		int flags = 0) const;
+  // Broadcast an N byte datagram to ADDR (note that addr must be
+  // preassigned to the broadcast address of the subnet...).
+
+  ssize_t send (const iovec iov[], 
+		size_t n, 
+		const ACE_Addr &addr, 
+		int flags = 0) const;
+  // Broadcast an <iovec> of size <n> to <addr> as a datagram (note
+  // that addr must be preassigned to the broadcast address of the
+  // subnet...) */
+
+  void dump (void) const;
+  // Dump the state of an object.
+
+  ACE_ALLOC_HOOK_DECLARE;
+  // Declare the dynamic allocation hooks.
+
+private:
+  int mk_broadcast (void);
+  // Make broadcast available for Datagram socket.
+
+  ACE_Bcast_Node *if_list_;
+  // Points to the head of the list of broadcast interfaces.
+
+  int get_remote_addr (ACE_Addr &) const; 
+  // Do not allow this function to percolate up to this interface...
+};
+
+#include "ace/SOCK_Dgram_Bcast.i"
+
+#endif /* ACE_SOCK_DGRAM_BCAST_H */