core: Implementing FaceUri abstraction
Change-Id: Ia4e0e9bb1a8b8c440ae97d45f77f792a50f87e85
Refs: #1195
diff --git a/daemon/core/face-uri.cpp b/daemon/core/face-uri.cpp
new file mode 100644
index 0000000..a30bb7b
--- /dev/null
+++ b/daemon/core/face-uri.cpp
@@ -0,0 +1,62 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (C) 2014 Named Data Networking Project
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "face-uri.hpp"
+#include "core/logger.hpp"
+#include <boost/regex.hpp>
+
+NFD_LOG_INIT("FaceUri");
+
+namespace nfd {
+
+FaceUri::FaceUri(const std::string& uri)
+{
+ if (!parse(uri))
+ {
+ throw Error("Malformed URI: " + uri);
+ }
+}
+
+bool
+FaceUri::parse(const std::string& uri)
+{
+ m_scheme.clear();
+ m_domain.clear();
+ m_port.clear();
+
+ boost::regex protocolExp("(\\w+\\d?)://(.+)");
+ boost::smatch protocolMatch;
+ if (!boost::regex_match(uri, protocolMatch, protocolExp))
+ {
+ return false;
+ }
+ m_scheme = protocolMatch[1];
+
+ const std::string& remote = protocolMatch[2];
+
+ boost::regex v6Exp("^\\[(([a-fA-F0-9:]+))\\](:(\\d+))?$"); // [stuff]:port
+ boost::regex v4Exp("^((\\d+\\.){3}\\d+)(:(\\d+))?$");
+ boost::regex hostExp("^(([^:]+))(:(\\d+))?$"); // stuff: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
+ {
+ return false;
+ }
+
+ NFD_LOG_DEBUG("URI [" << uri << "] parsed into: "
+ << m_scheme << ", " << m_domain << ", " << m_port);
+ return true;
+}
+
+} // namespace nfd
diff --git a/daemon/core/face-uri.hpp b/daemon/core/face-uri.hpp
new file mode 100644
index 0000000..91c7a30
--- /dev/null
+++ b/daemon/core/face-uri.hpp
@@ -0,0 +1,89 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (C) 2014 Named Data Networking Project
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NFD_CORE_FACE_URI_H
+#define NFD_CORE_FACE_URI_H
+
+#include "common.hpp"
+
+namespace nfd {
+
+class FaceUri
+{
+public:
+ class Error : public std::runtime_error
+ {
+ public:
+ Error(const std::string& what) : std::runtime_error(what) {}
+ };
+
+ FaceUri();
+
+ /** \brief Construct URI object
+ *
+ * Expected format: scheme://domain:port/path?query_string#fragment_id
+ *
+ * \throw FaceUri::Error if URI cannot be parsed
+ */
+ explicit
+ FaceUri(const std::string& uri);
+
+ /** \brief Exception-safe parsing of URI
+ */
+ bool
+ parse(const std::string& uri);
+
+ /** \brief Get scheme (protocol) extracted from URI
+ */
+ const std::string&
+ getScheme() const;
+
+ /** \brief Get domain extracted from URI
+ */
+ const std::string&
+ getDomain() const;
+
+ /** \brief Get port extracted from URI
+ *
+ * \return Extracted port or empty string if port wasn't present
+ */
+ const std::string&
+ getPort() const;
+
+ // other getters should be added, when necessary
+
+private:
+ std::string m_scheme;
+ std::string m_domain;
+ std::string m_port;
+};
+
+inline
+FaceUri::FaceUri()
+{
+}
+
+inline const std::string&
+FaceUri::getScheme() const
+{
+ return m_scheme;
+}
+
+inline const std::string&
+FaceUri::getDomain() const
+{
+ return m_domain;
+}
+
+inline const std::string&
+FaceUri::getPort() const
+{
+ return m_port;
+}
+
+} // namespace nfd
+
+#endif // NFD_CORE_FACE_URI_H