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, 113 insertions, 0 deletions

diff --git a/src/vpp-api/vom/acl_list.cpp b/src/vpp-api/vom/acl_list.cpp
new file mode 100644
index 00000000000..129be8faefe
--- /dev/null
+++ b/src/vpp-api/vom/acl_list.cpp
@@ -0,0 +1,113 @@
+/*
+ * 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/acl_list.hpp"
+#include "vom/logger.hpp"
+
+namespace VOM {
+namespace ACL {
+template <>
+void
+l2_list::event_handler::handle_populate(const client_db::key_t& key)
+{
+  /* hack to get this function instantiated */
+  m_evh.order();
+
+  /*
+* dump VPP Bridge domains
+*/
+  std::shared_ptr<l2_list::dump_cmd> cmd(new l2_list::dump_cmd());
+
+  HW::enqueue(cmd);
+  HW::write();
+
+  for (auto& record : *cmd) {
+    auto& payload = record.get_payload();
+
+    const handle_t hdl(payload.acl_index);
+    l2_list acl(hdl, std::string(reinterpret_cast<const char*>(payload.tag)));
+
+    for (unsigned int ii = 0; ii < payload.count; ii++) {
+      const route::prefix_t pfx(payload.r[ii].is_ipv6,
+                                payload.r[ii].src_ip_addr,
+                                payload.r[ii].src_ip_prefix_len);
+      l2_rule rule(ii, action_t::from_int(payload.r[ii].is_permit), pfx,
+                   { payload.r[ii].src_mac }, { payload.r[ii].src_mac_mask });
+
+      acl.insert(rule);
+    }
+    VOM_LOG(log_level_t::DEBUG) << "dump: " << acl.to_string();
+
+    /*
+* Write each of the discovered ACLs into the OM,
+* but disable the HW Command q whilst we do, so that no
+* commands are sent to VPP
+*/
+    OM::commit(key, acl);
+  }
+}
+
+template <>
+void
+l3_list::event_handler::handle_populate(const client_db::key_t& key)
+{
+  /* hack to get this function instantiated */
+  m_evh.order();
+
+  /*
+* dump VPP Bridge domains
+*/
+  std::shared_ptr<l3_list::dump_cmd> cmd(new l3_list::dump_cmd());
+
+  HW::enqueue(cmd);
+  HW::write();
+
+  for (auto& record : *cmd) {
+    auto& payload = record.get_payload();
+
+    const handle_t hdl(payload.acl_index);
+    l3_list acl(hdl, std::string(reinterpret_cast<const char*>(payload.tag)));
+
+    for (unsigned int ii = 0; ii < payload.count; ii++) {
+      const route::prefix_t src(payload.r[ii].is_ipv6,
+                                payload.r[ii].src_ip_addr,
+                                payload.r[ii].src_ip_prefix_len);
+      const route::prefix_t dst(payload.r[ii].is_ipv6,
+                                payload.r[ii].dst_ip_addr,
+                                payload.r[ii].dst_ip_prefix_len);
+      l3_rule rule(ii, action_t::from_int(payload.r[ii].is_permit), src, dst);
+
+      acl.insert(rule);
+    }
+    VOM_LOG(log_level_t::DEBUG) << "dump: " << acl.to_string();
+
+    /*
+* Write each of the discovered ACLs into the OM,
+* but disable the HW Command q whilst we do, so that no
+* commands are sent to VPP
+*/
+    OM::commit(key, acl);
+  }
+}
+};
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */