[3681_rebase] DatabaseConnection is used in MemfileLeaseMgr

src/lib/dhcpsrv/memfile_lease_mgr.cc

@@ -17,6 +17,7 @@
 #include <dhcpsrv/dhcpsrv_log.h>
 #include <dhcpsrv/lease_file_loader.h>
 #include <dhcpsrv/memfile_lease_mgr.h>
+#include <dhcpsrv/database_connection.h>
 #include <exceptions/exceptions.h>
 #include <util/pid_file.h>
 #include <util/process_spawn.h>
@@ -220,21 +221,13 @@ LFCSetup::getExitStatus() const {
     return (process_->getExitStatus(pid_));
 }
 
-std::string
-Memfile_LeaseMgr::getParameter(const std::string& name) const {
-    ParameterMap::const_iterator param = parameters_.find(name);
-    if (param == parameters_.end()) {
-        isc_throw(BadValue, "Parameter " << name << " not found");
-    }
-    return (param->second);
-}
-
-Memfile_LeaseMgr::Memfile_LeaseMgr(const ParameterMap& parameters): parameters_(parameters),
-      lfc_setup_(new LFCSetup(boost::bind(&Memfile_LeaseMgr::lfcCallback, this),
-                              *getIOService()))
+Memfile_LeaseMgr::Memfile_LeaseMgr(const DatabaseConnection::ParameterMap& parameters):
+        lfc_setup_(new LFCSetup(boost::bind(&Memfile_LeaseMgr::lfcCallback, this),
+                              *getIOService())),
+        conn_(parameters)
     {
     // Check the universe and use v4 file or v6 file.
-    std::string universe = getParameter("universe");
+    std::string universe = conn_.getParameter("universe");
     if (universe == "4") {
         std::string file4 = initLeaseFilePath(V4);
         if (!file4.empty()) {
@@ -696,7 +689,7 @@ std::string
 Memfile_LeaseMgr::initLeaseFilePath(Universe u) {
     std::string persist_val;
     try {
-        persist_val = getParameter("persist");
+        persist_val = conn_.getParameter("persist");
     } catch (const Exception& ex) {
         // If parameter persist hasn't been specified, we use a default value
         // 'yes'.
@@ -714,7 +707,7 @@ Memfile_LeaseMgr::initLeaseFilePath(Universe u) {
 
     std::string lease_file;
     try {
-        lease_file = getParameter("name");
+        lease_file = conn_.getParameter("name");
     } catch (const Exception& ex) {
         lease_file = getDefaultLeaseFilePath(u);
     }
@@ -800,7 +793,7 @@ void
 Memfile_LeaseMgr::lfcSetup() {
     std::string lfc_interval_str = "0";
     try {
-        lfc_interval_str = getParameter("lfc-interval");
+        lfc_interval_str = conn_.getParameter("lfc-interval");
     } catch (const std::exception& ex) {
         // Ignore and default to 0.
     }

src/lib/dhcpsrv/memfile_lease_mgr.h

@@ -88,9 +88,6 @@ class LFCSetup;
 /// var/kea/kea-leases6.csv.
 class Memfile_LeaseMgr : public LeaseMgr {
 public:
-    /// @brief Database configuration parameter map
-    typedef std::map<std::string, std::string> ParameterMap;
-
     /// @defgroup versions Specified memfile backend version.
     ///
     /// @brief Defines major version of the memfile backend.
@@ -107,13 +104,6 @@ public:
 
     /// @}
 
-    /// @brief Returns value of a connection parameter.
-    ///
-    /// @param name Name of the parameter which value should be returned.
-    /// @return Value of one of the connection parameters.
-    /// @throw BadValue if parameter is not found
-    std::string getParameter(const std::string& name) const;
-
     /// @brief Specifies universe (V4, V6)
     ///
     /// This enumeration is used by various functions in Memfile %Lease Manager,
@@ -138,7 +128,7 @@ public:
     ///
     /// @param parameters A data structure relating keywords and values
     ///        concerned with the database.
-    Memfile_LeaseMgr(const ParameterMap& parameters);
+    Memfile_LeaseMgr(const DatabaseConnection::ParameterMap& parameters);
 
     /// @brief Destructor (closes file)
     virtual ~Memfile_LeaseMgr();
@@ -598,16 +588,14 @@ private:
     template<typename LeaseFileType>
     void lfcExecute(boost::shared_ptr<LeaseFileType>& lease_file);
 
-    /// @brief List of parameters passed in dbconfig
-    ///
-    /// That will be mostly used for storing database name, username,
-    /// password and other parameters required for DB access. It is not
-    /// intended to keep any DHCP-related parameters.
-    ParameterMap parameters_;
-
     /// @brief A pointer to the Lease File Cleanup configuration.
     boost::scoped_ptr<LFCSetup> lfc_setup_;
 
+    /// @brief Parameters storage
+    ///
+    /// DatabaseConnection object is used only for storing, accessing and
+    /// printing parameter map.
+    DatabaseConnection conn_;
 
     //@}
 };