Added HandlerSocket plugin

- Fixed compiler errors
- Modified Makefiles to be part of plugin directory
- Some minor changes in database.cpp to use the new MariaDB handler interface

plugin/handler_socket/libhsclient/config.cpp

@@ -0,0 +1,67 @@
+
+// vim:sw=2:ai
+
+/*
+ * Copyright (C) 2010 DeNA Co.,Ltd.. All rights reserved.
+ * See COPYRIGHT.txt for details.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "config.hpp"
+
+namespace dena {
+
+unsigned int verbose_level = 0;
+
+std::string
+config::get_str(const std::string& key, const std::string& def) const
+{
+  const_iterator iter = this->find(key);
+  if (iter == this->end()) {
+    DENA_VERBOSE(10, fprintf(stderr, "CONFIG: %s=%s(default)\n", key.c_str(),
+      def.c_str()));
+    return def;
+  }
+  DENA_VERBOSE(10, fprintf(stderr, "CONFIG: %s=%s\n", key.c_str(),
+    iter->second.c_str()));
+  return iter->second;
+}
+
+long long
+config::get_int(const std::string& key, long long def) const
+{
+  const_iterator iter = this->find(key);
+  if (iter == this->end()) {
+    DENA_VERBOSE(10, fprintf(stderr, "CONFIG: %s=%lld(default)\n", key.c_str(),
+      def));
+    return def;
+  }
+  const long long r = atoll(iter->second.c_str());
+  DENA_VERBOSE(10, fprintf(stderr, "CONFIG: %s=%lld\n", key.c_str(), r));
+  return r;
+}
+
+void
+parse_args(int argc, char **argv, config& conf)
+{
+  for (int i = 1; i < argc; ++i) {
+    const char *const arg = argv[i];
+    const char *const eq = strchr(arg, '=');
+    if (eq == 0) {
+      continue;
+    }
+    const std::string key(arg, eq - arg);
+    const std::string val(eq + 1);
+    conf[key] = val;
+  }
+  config::const_iterator iter = conf.find("verbose");
+  if (iter != conf.end()) {
+    verbose_level = atoi(iter->second.c_str());
+  }
+}
+
+};
+