[2377] Initial MasterLoader class and test class

src/lib/dns/Makefile.am

@@ -98,6 +98,7 @@ libb10_dns___la_SOURCES += labelsequence.h labelsequence.cc
 libb10_dns___la_SOURCES += masterload.h masterload.cc
 libb10_dns___la_SOURCES += master_lexer.h master_lexer.cc
 libb10_dns___la_SOURCES += master_lexer_state.h
+libb10_dns___la_SOURCES += master_loader.h master_loader.cc
 libb10_dns___la_SOURCES += message.h message.cc
 libb10_dns___la_SOURCES += messagerenderer.h messagerenderer.cc
 libb10_dns___la_SOURCES += name.h name.cc

src/lib/dns/master_loader.cc

@@ -0,0 +1,75 @@
+// Copyright (C) 2012  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include <dns/master_loader.h>
+
+namespace isc {
+namespace dns {
+
+class MasterLoader::MasterLoaderImpl {
+public:
+    MasterLoaderImpl(const char* master_file,
+                     const Name& zone_origin,
+                     const RRClass zone_class,
+                     MasterLoaderCallbacks callbacks,
+                     MasterLoader::Options options) :
+        lexer_(),
+        zone_origin_(zone_origin),
+        zone_class_(zone_class),
+        callbacks_(callbacks),
+        options_(options)
+    {
+        lexer_.pushSource(master_file);
+    }
+
+    bool loadIncremental(size_t count_limit) {
+        size_t count = 0;
+        bool done = false;
+        do {
+            // Code goes here
+        } while (!done && (count_limit != 0 && ++count < count_limit));
+        // add remaining rrset that was being built (TODO)
+        return (false);
+    }
+
+private:
+    MasterLexer lexer_;
+    const Name& zone_origin_;
+    const RRClass zone_class_;
+    MasterLoaderCallbacks callbacks_;
+    MasterLoader::Options options_;
+    RRsetPtr current_rrset_;
+};
+
+MasterLoader::MasterLoader(const char* master_file,
+                           const Name& zone_origin,
+                           const RRClass zone_class,
+                           MasterLoaderCallbacks callbacks,
+                           Options options)
+{
+    impl_ = new MasterLoaderImpl(master_file, zone_origin,
+                                 zone_class, callbacks, options);
+}
+
+MasterLoader::~MasterLoader() {
+    delete impl_;
+}
+
+bool
+MasterLoader::loadIncremental(size_t count_limit) {
+    return (impl_->loadIncremental(count_limit));
+}
+
+} // end namespace dns
+} // end namespace isc

src/lib/dns/master_loader.h

@@ -15,20 +15,34 @@
 #ifndef MASTER_LOADER_H
 #define MASTER_LOADER_H
 
+#include <dns/name.h>
+#include <dns/rrclass.h>
+#include <dns/master_lexer.h>
+#include <dns/master_loader_callbacks.h>
+
 namespace isc {
 namespace dns {
-
-// Placeholder introduced by #2497. The real class should be updated in
-// #2377.
 class MasterLoader {
 public:
     enum Options {
-         MANY_ERRORS, // lenient mode
-         // also eventually some check policies like "check NS name"
+        MANY_ERRORS,        ///< Lenient mode
     };
+    MasterLoader(const char* master_file,
+                 const Name& zone_origin,
+                 const RRClass zone_class,
+                 MasterLoaderCallbacks callbacks,
+                 Options options);
+    ~MasterLoader();
+
+    bool loadIncremental(size_t count_limit);
+    //void load();
+
+private:
+    class MasterLoaderImpl;
+    MasterLoaderImpl* impl_;
 };
 
-}
-}
+} // end namespace dns
+} // end namespace isc
 
 #endif // MASTER_LOADER_H

src/lib/dns/tests/Makefile.am

@@ -27,6 +27,7 @@ run_unittests_SOURCES += labelsequence_unittest.cc
 run_unittests_SOURCES += messagerenderer_unittest.cc
 run_unittests_SOURCES += master_lexer_token_unittest.cc
 run_unittests_SOURCES += master_lexer_unittest.cc
+run_unittests_SOURCES += master_loader_unittest.cc
 run_unittests_SOURCES += master_lexer_state_unittest.cc
 run_unittests_SOURCES += name_unittest.cc
 run_unittests_SOURCES += nsec3hash_unittest.cc

src/lib/dns/tests/master_loader_unittest.cc

@@ -0,0 +1,68 @@
+// Copyright (C) 2012  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include <dns/master_loader_callbacks.h>
+#include <dns/master_loader.h>
+
+
+#include <gtest/gtest.h>
+#include <boost/bind.hpp>
+#include <boost/scoped_ptr.hpp>
+
+using namespace isc::dns;
+
+class MasterLoaderTest : public ::testing::Test {
+public:
+    MasterLoaderTest() :
+        callbacks_(boost::bind(&MasterLoaderTest::callback, this,
+                               true, _1, _2, _3),
+                   boost::bind(&MasterLoaderTest::callback, this,
+                               false, _1, _2, _3))
+    {}
+
+    /// Concatenate file, line, and reason, and add it to either errors
+    /// or warnings
+    void
+    callback(bool error, const std::string& file, size_t line,
+             const std::string reason)
+    {
+        std::stringstream ss;
+        ss << file << line << reason;
+        if (error) {
+            errors.push_back(ss.str());
+        } else {
+            warnings.push_back(ss.str());
+        }
+    }
+
+    void
+    setLoader(const char* file, const Name& origin, const RRClass rrclass,
+              const MasterLoader::Options options)
+    {
+        loader.reset(new MasterLoader(file, origin, rrclass, callbacks_, options));
+    }
+
+    MasterLoaderCallbacks callbacks_;
+    boost::scoped_ptr<MasterLoader> loader;
+    std::vector<std::string> errors;
+    std::vector<std::string> warnings;
+};
+
+TEST_F(MasterLoaderTest, basicLoad) {
+    setLoader("testdata/loader_test.txt",
+              Name("example.com."),
+              RRClass::IN(),
+              MasterLoader::MANY_ERRORS);
+    ASSERT_FALSE(loader->loadIncremental(1));
+}