faces: Channel base class

refs #1261

Change-Id: If17037c4802cb6ccec0201c3bff7fc4b6db41c6a
diff --git a/daemon/core/face-uri.cpp b/daemon/core/face-uri.cpp
index a30bb7b..0a3f1d4 100644
--- a/daemon/core/face-uri.cpp
+++ b/daemon/core/face-uri.cpp
@@ -14,49 +14,81 @@
 
 FaceUri::FaceUri(const std::string& uri)
 {
-  if (!parse(uri))
-    {
-      throw Error("Malformed URI: " + uri);
-    }
+  if (!parse(uri)) {
+    throw Error("Malformed URI: " + uri);
+  }
+}
+
+FaceUri::FaceUri(const char* uri)
+{
+  if (!parse(uri)) {
+    throw Error("Malformed URI: " + std::string(uri));
+  }
 }
 
 bool
 FaceUri::parse(const std::string& uri)
 {
   m_scheme.clear();
-  m_domain.clear();
+  m_host.clear();
+  m_isV6 = false;
   m_port.clear();
-  
-  boost::regex protocolExp("(\\w+\\d?)://(.+)");
+  m_path.clear();
+
+  boost::regex protocolExp("(\\w+\\d?)://([^/]*)(\\/[^?]*)?");
   boost::smatch protocolMatch;
-  if (!boost::regex_match(uri, protocolMatch, protocolExp))
-    {
-      return false;
-    }
+  if (!boost::regex_match(uri, protocolMatch, protocolExp)) {
+    return false;
+  }
   m_scheme = protocolMatch[1];
+  m_path = protocolMatch[3];
 
-  const std::string& remote = protocolMatch[2];
+  const std::string& authority = protocolMatch[2];
 
-  boost::regex v6Exp("^\\[(([a-fA-F0-9:]+))\\](:(\\d+))?$"); // [stuff]:port
+  boost::regex v6Exp("^\\[(([a-fA-F0-9:]+))\\](:(\\d+))?$"); // [host]:port
   boost::regex v4Exp("^((\\d+\\.){3}\\d+)(:(\\d+))?$");
-  boost::regex hostExp("^(([^:]+))(:(\\d+))?$"); // stuff:port
+  boost::regex hostExp("^(([^:]+))(:(\\d+))?$"); // host:port
 
   boost::smatch match;
-  if (boost::regex_match(remote, match, v6Exp) ||
-      boost::regex_match(remote, match, v4Exp) ||
-      boost::regex_match(remote, match, hostExp))
-    {
-      m_domain = match[1];
-      m_port   = match[4];
-    }
-  else
-    {
+  m_isV6 = boost::regex_match(authority, match, v6Exp);
+  if (m_isV6 ||
+      boost::regex_match(authority, match, v4Exp) ||
+      boost::regex_match(authority, match, hostExp)) {
+    m_host = match[1];
+    m_port = match[4];
+  }
+  else {
+    if (m_path.empty()) {
       return false;
     }
-  
-  NFD_LOG_DEBUG("URI [" << uri << "] parsed into: "
-                << m_scheme << ", " << m_domain << ", " << m_port);
+  }
+
+  NFD_LOG_DEBUG("URI [" << uri << "] parsed into: " <<
+                m_scheme << ", " << m_host << ", " << m_port << ", " << m_path);
   return true;
 }
 
+FaceUri::FaceUri(const boost::asio::ip::tcp::endpoint& endpoint)
+{
+  m_isV6 = endpoint.address().is_v6();
+  m_scheme = m_isV6 ? "tcp6" : "tcp4";
+  m_host = endpoint.address().to_string();
+  m_port = boost::lexical_cast<std::string>(endpoint.port());
+}
+
+FaceUri::FaceUri(const boost::asio::ip::udp::endpoint& endpoint)
+{
+  m_isV6 = endpoint.address().is_v6();
+  m_scheme = m_isV6 ? "udp6" : "udp4";
+  m_host = endpoint.address().to_string();
+  m_port = boost::lexical_cast<std::string>(endpoint.port());
+}
+
+FaceUri::FaceUri(const boost::asio::local::stream_protocol::endpoint& endpoint)
+  : m_isV6(false)
+{
+  m_scheme = "unix";
+  m_path = endpoint.path();
+}
+
 } // namespace nfd