VPP Object Model (VOM)

The VOM is a C++ library for use by clients/agents of VPP for programming
state. It uses the binary APIs to do so. Various other common client side
functions are also provided. Please see om.hpp for a more detailed description.

Change-Id: Ib756bfe99817093815a9e26ccf464aa5583fc523
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Co-authored-by: Mohsin Kazmi <sykazmi@cisco.com>

1 files changed, 131 insertions, 0 deletions

diff --git a/src/vpp-api/vom/tap_interface_cmds.cpp b/src/vpp-api/vom/tap_interface_cmds.cpp
new file mode 100644
index 00000000000..f616fd0b4ab
--- /dev/null
+++ b/src/vpp-api/vom/tap_interface_cmds.cpp
@@ -0,0 +1,131 @@
+/*
+ * 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.
+ */
+
+#include "vom/tap_interface.hpp"
+#include "vom/cmd.hpp"
+
+#include <vapi/tap.api.vapi.hpp>
+
+namespace VOM {
+tap_interface::create_cmd::create_cmd(HW::item<handle_t>& item,
+                                      const std::string& name,
+                                      route::prefix_t& prefix,
+                                      const l2_address_t& l2_address)
+  : interface::create_cmd<vapi::Tap_connect>(item, name)
+  , m_prefix(prefix)
+  , m_l2_address(l2_address)
+{
+}
+
+rc_t
+tap_interface::create_cmd::issue(connection& con)
+{
+  msg_t req(con.ctx(), std::ref(*this));
+
+  auto& payload = req.get_request().get_payload();
+  memset(payload.tap_name, 0, sizeof(payload.tap_name));
+  memcpy(payload.tap_name, m_name.c_str(),
+         std::min(m_name.length(), sizeof(payload.tap_name)));
+  if (m_prefix != route::prefix_t::ZERO) {
+    if (m_prefix.address().is_v6()) {
+      m_prefix.to_vpp(&payload.ip6_address_set, payload.ip6_address,
+                      &payload.ip6_mask_width);
+    } else {
+      m_prefix.to_vpp(&payload.ip4_address_set, payload.ip4_address,
+                      &payload.ip4_mask_width);
+      payload.ip4_address_set = 1;
+    }
+  }
+
+  if (m_l2_address != l2_address_t::ZERO) {
+    m_l2_address.to_bytes(payload.mac_address, 6);
+  } else {
+    payload.use_random_mac = 1;
+  }
+
+  VAPI_CALL(req.execute());
+
+  m_hw_item = wait();
+
+  return rc_t::OK;
+}
+
+std::string
+tap_interface::create_cmd::to_string() const
+{
+  std::ostringstream s;
+  s << "tap-intf-create: " << m_hw_item.to_string()
+    << " ip-prefix:" << m_prefix.to_string();
+
+  return (s.str());
+}
+
+tap_interface::delete_cmd::delete_cmd(HW::item<handle_t>& item)
+  : interface::delete_cmd<vapi::Tap_delete>(item)
+{
+}
+
+rc_t
+tap_interface::delete_cmd::issue(connection& con)
+{
+  // finally... call VPP
+
+  return rc_t::OK;
+}
+std::string
+tap_interface::delete_cmd::to_string() const
+{
+  std::ostringstream s;
+  s << "tap-itf-delete: " << m_hw_item.to_string();
+
+  return (s.str());
+}
+
+tap_interface::dump_cmd::dump_cmd()
+{
+}
+
+bool
+tap_interface::dump_cmd::operator==(const dump_cmd& other) const
+{
+  return (true);
+}
+
+rc_t
+tap_interface::dump_cmd::issue(connection& con)
+{
+  m_dump.reset(new msg_t(con.ctx(), std::ref(*this)));
+
+  VAPI_CALL(m_dump->execute());
+
+  wait();
+
+  return rc_t::INPROGRESS;
+}
+
+std::string
+tap_interface::dump_cmd::to_string() const
+{
+  return ("tap-itf-dump");
+}
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */