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diff --git a/ACE/ASNMP/asnmp/snmp.h b/ACE/ASNMP/asnmp/snmp.h
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+++ b/ACE/ASNMP/asnmp/snmp.h
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+/* -*-C++-*- */
+#ifndef SNMP_CLS_
+#define SNMP_CLS_
+//=============================================================================
+/**
+ *  @file    snmp.h
+ *
+ *  $Id$
+ *
+ * SNMP class defintion. The Snmp class provides an object oriented
+ * approach to SNMP. The SNMP class is an encapsulation of SNMP
+ * sessions, gets, sets, etc. The class manages all SNMP
+ * resources and provides complete retry and timeout capability.
+ *
+ *
+ *  @author Peter E Mellquist  design
+ *  @author first implementation Michael R. MacFaden port to ACE / use Reactor pattern
+ */
+//=============================================================================
+
+/*===================================================================
+   Copyright (c) 1996
+   Hewlett-Packard Company
+
+  ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS.
+  Permission to use, copy, modify, distribute and/or sell this software
+  and/or its documentation is hereby granted without fee. User agrees
+  to display the above copyright notice and this license notice in all
+  copies of the software and any documentation of the software. User
+  agrees to assume all liability for the use of the software; Hewlett-Packard
+  makes no representations about the suitability of this software for any
+  purpose. It is provided "AS-IS without warranty of any kind,either express
+  or implied. User hereby grants a royalty-free license to any and all
+  derivatives based upon this software code base.
+=====================================================================*/
+
+#include "ace/Reactor.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ace/SOCK_Dgram.h"
+
+#include "asnmp/oid.h"                // snmp++ oid class
+#include "asnmp/vb.h"                 // snbmp++ vb class
+#include "asnmp/target.h"             // snmp++ target class
+#include "asnmp/pdu.h"                // snmp++ pdu class
+#include "asnmp/snmperrs.h"           // error macros and strings
+#include "asnmp/address.h"            // snmp++ address class defs
+#include "asnmp/transaction_result.h"
+#include "asnmp/ASNMP_Export.h"
+
+class Snmp;
+class ASNMP_Export Snmp_Result
+{
+  public:
+    virtual ~Snmp_Result();
+    virtual void result(Snmp *snmp, int result) = 0;
+};
+
+// Snmp session class - supports Version 1 operations in blocking mode
+/**
+ * @class Snmp
+ *
+ * @brief Concrete class Snmp defined the session and interface to
+ * communicate with another SNMP Version 1 agent
+ */
+class ASNMP_Export Snmp : public transaction_result
+{
+  Snmp_Result * result_;
+  Pdu * pdu_;
+  unsigned hold_req_id_;
+public:
+  Snmp(unsigned short port = INADDR_ANY);
+  virtual ~Snmp();
+
+  /// retrieve data from a peer agent for a given list of oid values
+  /// default port 161
+  int get( Pdu &pdu, UdpTarget &target, Snmp_Result * cb = 0);
+
+  /**
+   * retrieve data lexically adjacent to the oids specified in the pdu
+   * from the peer agent
+   * default port 161
+   */
+  int get_next( Pdu &pdu, UdpTarget &target, Snmp_Result * cb = 0);
+
+  /// set data in the agent from the list of oids in the pdu
+  /// default port 161
+  int set( Pdu &pdu, UdpTarget &target, Snmp_Result * cb = 0);
+
+  /// send an SNMPv1 trap (unreliable) to a remote system (def port 162)
+  int trap( Pdu &pdu, UdpTarget &target);
+
+  /// status of object after construction
+  int valid() const;
+
+  /// given error code, return string reason
+  static const char * error_string(int code);
+
+  /// retrieve a reason string if any of the above commands fail
+  const char * error_string();
+
+  /// for async transaction results
+  void result(transaction * t, int rc);
+
+  /// allow the host name to be overriden
+  static void override_host_name(const char* name);
+
+  /// returns the overriden host name
+  static void get_host_name(char* name, int len);
+
+protected:
+  void check_default_port(UdpTarget& target,unsigned short port=DEF_AGENT_PORT);
+  int run_transaction(Pdu& pdu, UdpTarget& target);
+  int run_transaction(Pdu& pdu, UdpTarget& target, Snmp_Result * cb);
+  int validate_args(const Pdu& pdu, const UdpTarget& target) const;
+
+  Snmp(const Snmp&);
+
+  /// io object
+  ACE_SOCK_Dgram iv_snmp_session_;
+
+  /// status of construction
+  int construct_status_;
+
+  /// result code from last transaction
+  int last_transaction_status_;
+
+  /// transaction request id
+  unsigned req_id_;
+
+  static char host_name_[MAXHOSTNAMELEN];
+};
+
+#endif //SNMP_CLS_