VOM reshuffle

split the VOM into two halves; a top/front-end and a bottom/backend.
Only the backend includes the auto-generated VAPI.
This serves two purposes:
1 - improves ompile times for VOM, since the VAPI is included
    only in the backend.
2 - does not expose VAPI to users of VOM

Change-Id: I17b93aeaef10c0eba8612016d9034aca5628d9f7
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
diff --git a/src/vpp-api/vom/interface_cmds.hpp b/src/vpp-api/vom/interface_cmds.hpp
new file mode 100644
index 0000000..4178be3
--- /dev/null
+++ b/src/vpp-api/vom/interface_cmds.hpp
@@ -0,0 +1,451 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __VOM_INTERFACE_CMDS_H__
+#define __VOM_INTERFACE_CMDS_H__
+
+#include <vapi/vapi.hpp>
+
+#include "vom/dump_cmd.hpp"
+#include "vom/event_cmd.hpp"
+#include "vom/interface.hpp"
+#include "vom/rpc_cmd.hpp"
+
+#include <vapi/af_packet.api.vapi.hpp>
+#include <vapi/interface.api.vapi.hpp>
+#include <vapi/stats.api.vapi.hpp>
+#include <vapi/tap.api.vapi.hpp>
+#include <vapi/vpe.api.vapi.hpp>
+
+namespace VOM {
+
+namespace interface_cmds {
+/**
+ * Factory method to construct a new interface from the VPP record
+ */
+std::unique_ptr<interface> new_interface(
+  const vapi_payload_sw_interface_details& vd);
+
+/**
+ * A command class to create Loopback interfaces in VPP
+ */
+class loopback_create_cmd : public interface::create_cmd<vapi::Create_loopback>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   * and the name of the interface to create
+   */
+  loopback_create_cmd(HW::item<handle_t>& item, const std::string& name);
+  ~loopback_create_cmd() = default;
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+
+  /**
+ * convert to string format for debug purposes
+ */
+  std::string to_string() const;
+};
+
+/**
+ * A command class to create af_packet interfaces in VPP
+ */
+class af_packet_create_cmd
+  : public interface::create_cmd<vapi::Af_packet_create>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   * and the name of the interface to create
+   */
+  af_packet_create_cmd(HW::item<handle_t>& item, const std::string& name);
+  ~af_packet_create_cmd() = default;
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+};
+
+/**
+* A command class to create TAP interfaces in VPP
+*/
+class tap_create_cmd : public interface::create_cmd<vapi::Tap_connect>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   * and the name of the interface to create
+   */
+  tap_create_cmd(HW::item<handle_t>& item, const std::string& name);
+  ~tap_create_cmd() = default;
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+
+  /**
+ * convert to string format for debug purposes
+ */
+  std::string to_string() const;
+};
+
+/**
+ * A command class to delete loopback interfaces in VPP
+ */
+class loopback_delete_cmd : public interface::delete_cmd<vapi::Delete_loopback>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   */
+  loopback_delete_cmd(HW::item<handle_t>& item);
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+};
+
+/**
+ * A command class to delete af-packet interfaces in VPP
+ */
+class af_packet_delete_cmd
+  : public interface::delete_cmd<vapi::Af_packet_delete>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   * and the name of the interface to delete
+   */
+  af_packet_delete_cmd(HW::item<handle_t>& item, const std::string& name);
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+};
+
+/**
+* A command class to delete TAP interfaces in VPP
+*/
+class tap_delete_cmd : public interface::delete_cmd<vapi::Tap_delete>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   */
+  tap_delete_cmd(HW::item<handle_t>& item);
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+};
+
+/**
+ * A command class to set tag on interfaces
+ */
+class set_tag
+  : public rpc_cmd<HW::item<handle_t>, rc_t, vapi::Sw_interface_tag_add_del>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   */
+  set_tag(HW::item<handle_t>& item, const std::string& name);
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+
+  /**
+   * Comparison operator - only used for UT
+   */
+  bool operator==(const set_tag& i) const;
+
+private:
+  /**
+   * The tag to add
+   */
+  const std::string m_name;
+};
+
+/**
+ * A cmd class that changes the admin state
+ */
+class state_change_cmd : public rpc_cmd<HW::item<interface::admin_state_t>,
+                                        rc_t,
+                                        vapi::Sw_interface_set_flags>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   * and the name handle of the interface whose state is to change
+   */
+  state_change_cmd(HW::item<interface::admin_state_t>& s,
+                   const HW::item<handle_t>& h);
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+
+  /**
+   * Comparison operator - only used for UT
+   */
+  bool operator==(const state_change_cmd& i) const;
+
+private:
+  /**
+   * the handle of the interface to update
+   */
+  const HW::item<handle_t>& m_hdl;
+};
+
+/**
+ * A command class that binds an interface to an L3 table
+ */
+class set_table_cmd : public rpc_cmd<HW::item<route::table_id_t>,
+                                     rc_t,
+                                     vapi::Sw_interface_set_table>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   * and the name handle of the interface whose table is to change
+   */
+  set_table_cmd(HW::item<route::table_id_t>& item,
+                const l3_proto_t& proto,
+                const HW::item<handle_t>& h);
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+
+  /**
+   * Comparison operator - only used for UT
+   */
+  bool operator==(const set_table_cmd& i) const;
+
+private:
+  /**
+   * the handle of the interface to update
+   */
+  const HW::item<handle_t>& m_hdl;
+
+  /**
+   * The L3 protocol of the table
+   */
+  l3_proto_t m_proto;
+};
+
+/**
+ * A command class that binds an interface to an L3 table
+ */
+class set_mac_cmd : public rpc_cmd<HW::item<l2_address_t>,
+                                   rc_t,
+                                   vapi::Sw_interface_set_mac_address>
+{
+public:
+  /**
+   * Constructor taking the HW::item to update
+   * and the handle of the interface
+   */
+  set_mac_cmd(HW::item<l2_address_t>& item, const HW::item<handle_t>& h);
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+
+  /**
+   * Comparison operator - only used for UT
+   */
+  bool operator==(const set_mac_cmd& i) const;
+
+private:
+  /**
+   * the handle of the interface to update
+   */
+  const HW::item<handle_t>& m_hdl;
+};
+
+/**
+ * A command class represents our desire to recieve interface events
+ */
+class events_cmd
+  : public event_cmd<vapi::Want_interface_events, vapi::Sw_interface_event>
+{
+public:
+  /**
+   * Constructor taking the listner to notify
+   */
+  events_cmd(interface::event_listener& el);
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+
+  /**
+   * Retires the command - unsubscribe from the events.
+   */
+  void retire(connection& con);
+
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+
+  /**
+   * Comparison operator - only used for UT
+   */
+  bool operator==(const events_cmd& i) const;
+
+  /**
+   * Called when it's time to poke the listeners
+   */
+  void notify();
+
+private:
+  /**
+   * The listeners to notify when data/events arrive
+   */
+  interface::interface::event_listener& m_listener;
+};
+
+/**
+ * A command class represents our desire to recieve interface stats
+ */
+class stats_cmd : public event_cmd<vapi::Want_per_interface_combined_stats,
+                                   vapi::Vnet_per_interface_combined_counters>
+{
+public:
+  /**
+   * Constructor taking the listner to notify
+   */
+  stats_cmd(interface::stat_listener& el,
+            const std::vector<handle_t>& interfaces);
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+
+  /**
+   * Retires the command - unsubscribe from the stats.
+   */
+  void retire(connection& con);
+
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+
+  /**
+   * Comparison operator - only used for UT
+   */
+  bool operator==(const stats_cmd& i) const;
+
+  /**
+   * Called when it's time to poke the listeners
+   */
+  void notify();
+
+private:
+  /**
+   * The listeners to notify when data/stats arrive
+   */
+  interface::interface::stat_listener& m_listener;
+
+  std::vector<handle_t> m_swifindex;
+};
+
+/**
+ * A cmd class that Dumps all the Vpp interfaces
+ */
+class dump_cmd : public VOM::dump_cmd<vapi::Sw_interface_dump>
+{
+public:
+  /**
+   * Default Constructor
+   */
+  dump_cmd();
+
+  /**
+   * Issue the command to VPP/HW
+   */
+  rc_t issue(connection& con);
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+
+  /**
+   * Comparison operator - only used for UT
+   */
+  bool operator==(const dump_cmd& i) const;
+};
+};
+};
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+#endif