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, 172 insertions, 0 deletions

diff --git a/src/vpp-api/vom/dhcp_config_cmds.cpp b/src/vpp-api/vom/dhcp_config_cmds.cpp
new file mode 100644
index 00000000000..53262a3cac6
--- /dev/null
+++ b/src/vpp-api/vom/dhcp_config_cmds.cpp
@@ -0,0 +1,172 @@
+/*
+ * 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/dhcp_config.hpp"
+
+DEFINE_VAPI_MSG_IDS_DHCP_API_JSON;
+
+namespace VOM {
+dhcp_config::bind_cmd::bind_cmd(HW::item<bool>& item,
+                                const handle_t& itf,
+                                const std::string& hostname,
+                                const l2_address_t& client_id)
+  : rpc_cmd(item)
+  , m_itf(itf)
+  , m_hostname(hostname)
+  , m_client_id(client_id)
+{
+}
+
+bool
+dhcp_config::bind_cmd::operator==(const bind_cmd& other) const
+{
+  return ((m_itf == other.m_itf) && (m_hostname == other.m_hostname));
+}
+
+rc_t
+dhcp_config::bind_cmd::issue(connection& con)
+{
+  msg_t req(con.ctx(), std::ref(*this));
+
+  auto& payload = req.get_request().get_payload();
+  payload.sw_if_index = m_itf.value();
+  payload.is_add = 1;
+  payload.pid = getpid();
+  payload.want_dhcp_event = 1;
+
+  memcpy(payload.hostname, m_hostname.c_str(),
+         std::min(sizeof(payload.hostname), m_hostname.length()));
+
+  memset(payload.client_id, 0, sizeof(payload.client_id));
+  payload.client_id[0] = 1;
+  std::copy_n(begin(m_client_id.bytes),
+              std::min(sizeof(payload.client_id), m_client_id.bytes.size()),
+              payload.client_id + 1);
+
+  VAPI_CALL(req.execute());
+
+  m_hw_item.set(wait());
+
+  return rc_t::OK;
+}
+
+std::string
+dhcp_config::bind_cmd::to_string() const
+{
+  std::ostringstream s;
+  s << "Dhcp-config-bind: " << m_hw_item.to_string()
+    << " itf:" << m_itf.to_string() << " hostname:" << m_hostname;
+
+  return (s.str());
+}
+
+dhcp_config::unbind_cmd::unbind_cmd(HW::item<bool>& item,
+                                    const handle_t& itf,
+                                    const std::string& hostname)
+  : rpc_cmd(item)
+  , m_itf(itf)
+  , m_hostname(hostname)
+{
+}
+
+bool
+dhcp_config::unbind_cmd::operator==(const unbind_cmd& other) const
+{
+  return ((m_itf == other.m_itf) && (m_hostname == other.m_hostname));
+}
+
+rc_t
+dhcp_config::unbind_cmd::issue(connection& con)
+{
+  msg_t req(con.ctx(), std::ref(*this));
+
+  auto& payload = req.get_request().get_payload();
+  payload.sw_if_index = m_itf.value();
+  payload.is_add = 0;
+  payload.pid = getpid();
+  payload.want_dhcp_event = 0;
+
+  memcpy(payload.hostname, m_hostname.c_str(),
+         std::min(sizeof(payload.hostname), m_hostname.length()));
+
+  VAPI_CALL(req.execute());
+
+  wait();
+  m_hw_item.set(rc_t::NOOP);
+
+  return rc_t::OK;
+}
+
+std::string
+dhcp_config::unbind_cmd::to_string() const
+{
+  std::ostringstream s;
+  s << "Dhcp-config-unbind: " << m_hw_item.to_string()
+    << " itf:" << m_itf.to_string() << " hostname:" << m_hostname;
+
+  return (s.str());
+}
+
+dhcp_config::events_cmd::events_cmd(event_listener& el)
+  : event_cmd(el.status())
+  , m_listener(el)
+{
+}
+
+bool
+dhcp_config::events_cmd::operator==(const events_cmd& other) const
+{
+  return (true);
+}
+
+rc_t
+dhcp_config::events_cmd::issue(connection& con)
+{
+  /*
+ * Set the call back to handle DHCP complete envets.
+ */
+  m_reg.reset(new reg_t(con.ctx(), std::ref(*this)));
+
+  /*
+ * return in-progress so the command stays in the pending list.
+ */
+  return (rc_t::INPROGRESS);
+}
+
+void
+dhcp_config::events_cmd::retire(connection& con)
+{
+}
+
+void
+dhcp_config::events_cmd::notify()
+{
+  m_listener.handle_dhcp_event(this);
+}
+
+std::string
+dhcp_config::events_cmd::to_string() const
+{
+  return ("dhcp-events");
+}
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */