Util: Create ArgsManager class...

- Introduce ArgsManager::GetArgs()
- Adapt util_tests.cpp to ArgsManager

3 files changed, 120 insertions, 46 deletions

diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp
index 5da4907f06..10330c0c23 100644
--- a/src/test/util_tests.cpp
+++ b/src/test/util_tests.cpp
@@ -17,8 +17,6 @@
 
 #include <boost/test/unit_test.hpp>
 
-extern std::map<std::string, std::string> mapArgs;
-
 BOOST_FIXTURE_TEST_SUITE(util_tests, BasicTestingSetup)
 
 BOOST_AUTO_TEST_CASE(util_criticalsection)
@@ -100,52 +98,67 @@ BOOST_AUTO_TEST_CASE(util_DateTimeStrFormat)
     BOOST_CHECK_EQUAL(DateTimeStrFormat("%a, %d %b %Y %H:%M:%S +0000", 1317425777), "Fri, 30 Sep 2011 23:36:17 +0000");
 }
 
+class TestArgsManager : public ArgsManager
+{
+public:
+    std::map<std::string, std::string>& GetMapArgs()
+    {
+        return mapArgs;
+    };
+    const std::map<std::string, std::vector<std::string> >& GetMapMultiArgs()
+    {
+        return mapMultiArgs;
+    };
+};
+
 BOOST_AUTO_TEST_CASE(util_ParseParameters)
 {
+    TestArgsManager testArgs;
     const char *argv_test[] = {"-ignored", "-a", "-b", "-ccc=argument", "-ccc=multiple", "f", "-d=e"};
 
-    ParseParameters(0, (char**)argv_test);
-    BOOST_CHECK(mapArgs.empty() && mapMultiArgs.empty());
+    testArgs.ParseParameters(0, (char**)argv_test);
+    BOOST_CHECK(testArgs.GetMapArgs().empty() && testArgs.GetMapMultiArgs().empty());
 
-    ParseParameters(1, (char**)argv_test);
-    BOOST_CHECK(mapArgs.empty() && mapMultiArgs.empty());
+    testArgs.ParseParameters(1, (char**)argv_test);
+    BOOST_CHECK(testArgs.GetMapArgs().empty() && testArgs.GetMapMultiArgs().empty());
 
-    ParseParameters(5, (char**)argv_test);
+    testArgs.ParseParameters(5, (char**)argv_test);
     // expectation: -ignored is ignored (program name argument),
     // -a, -b and -ccc end up in map, -d ignored because it is after
     // a non-option argument (non-GNU option parsing)
-    BOOST_CHECK(mapArgs.size() == 3 && mapMultiArgs.size() == 3);
-    BOOST_CHECK(IsArgSet("-a") && IsArgSet("-b") && IsArgSet("-ccc")
-                && !IsArgSet("f") && !IsArgSet("-d"));
-    BOOST_CHECK(mapMultiArgs.count("-a") && mapMultiArgs.count("-b") && mapMultiArgs.count("-ccc")
-                && !mapMultiArgs.count("f") && !mapMultiArgs.count("-d"));
-
-    BOOST_CHECK(mapArgs["-a"] == "" && mapArgs["-ccc"] == "multiple");
-    BOOST_CHECK(mapMultiArgs.at("-ccc").size() == 2);
+    BOOST_CHECK(testArgs.GetMapArgs().size() == 3 && testArgs.GetMapMultiArgs().size() == 3);
+    BOOST_CHECK(testArgs.IsArgSet("-a") && testArgs.IsArgSet("-b") && testArgs.IsArgSet("-ccc")
+                && !testArgs.IsArgSet("f") && !testArgs.IsArgSet("-d"));
+    BOOST_CHECK(testArgs.GetMapMultiArgs().count("-a") && testArgs.GetMapMultiArgs().count("-b") && testArgs.GetMapMultiArgs().count("-ccc")
+                && !testArgs.GetMapMultiArgs().count("f") && !testArgs.GetMapMultiArgs().count("-d"));
+
+    BOOST_CHECK(testArgs.GetMapArgs()["-a"] == "" && testArgs.GetMapArgs()["-ccc"] == "multiple");
+    BOOST_CHECK(testArgs.GetArgs("-ccc").size() == 2);
 }
 
 BOOST_AUTO_TEST_CASE(util_GetArg)
 {
-    mapArgs.clear();
-    mapArgs["strtest1"] = "string...";
+    TestArgsManager testArgs;
+    testArgs.GetMapArgs().clear();
+    testArgs.GetMapArgs()["strtest1"] = "string...";
     // strtest2 undefined on purpose
-    mapArgs["inttest1"] = "12345";
-    mapArgs["inttest2"] = "81985529216486895";
+    testArgs.GetMapArgs()["inttest1"] = "12345";
+    testArgs.GetMapArgs()["inttest2"] = "81985529216486895";
     // inttest3 undefined on purpose
-    mapArgs["booltest1"] = "";
+    testArgs.GetMapArgs()["booltest1"] = "";
     // booltest2 undefined on purpose
-    mapArgs["booltest3"] = "0";
-    mapArgs["booltest4"] = "1";
-
-    BOOST_CHECK_EQUAL(GetArg("strtest1", "default"), "string...");
-    BOOST_CHECK_EQUAL(GetArg("strtest2", "default"), "default");
-    BOOST_CHECK_EQUAL(GetArg("inttest1", -1), 12345);
-    BOOST_CHECK_EQUAL(GetArg("inttest2", -1), 81985529216486895LL);
-    BOOST_CHECK_EQUAL(GetArg("inttest3", -1), -1);
-    BOOST_CHECK_EQUAL(GetBoolArg("booltest1", false), true);
-    BOOST_CHECK_EQUAL(GetBoolArg("booltest2", false), false);
-    BOOST_CHECK_EQUAL(GetBoolArg("booltest3", false), false);
-    BOOST_CHECK_EQUAL(GetBoolArg("booltest4", false), true);
+    testArgs.GetMapArgs()["booltest3"] = "0";
+    testArgs.GetMapArgs()["booltest4"] = "1";
+
+    BOOST_CHECK_EQUAL(testArgs.GetArg("strtest1", "default"), "string...");
+    BOOST_CHECK_EQUAL(testArgs.GetArg("strtest2", "default"), "default");
+    BOOST_CHECK_EQUAL(testArgs.GetArg("inttest1", -1), 12345);
+    BOOST_CHECK_EQUAL(testArgs.GetArg("inttest2", -1), 81985529216486895LL);
+    BOOST_CHECK_EQUAL(testArgs.GetArg("inttest3", -1), -1);
+    BOOST_CHECK_EQUAL(testArgs.GetBoolArg("booltest1", false), true);
+    BOOST_CHECK_EQUAL(testArgs.GetBoolArg("booltest2", false), false);
+    BOOST_CHECK_EQUAL(testArgs.GetBoolArg("booltest3", false), false);
+    BOOST_CHECK_EQUAL(testArgs.GetBoolArg("booltest4", false), true);
 }
 
 BOOST_AUTO_TEST_CASE(util_FormatMoney)
diff --git a/src/util.cpp b/src/util.cpp
index cf10ee4aa5..d8bdd3c69e 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -13,7 +13,6 @@
 #include "fs.h"
 #include "random.h"
 #include "serialize.h"
-#include "sync.h"
 #include "utilstrencodings.h"
 #include "utiltime.h"
 
@@ -92,8 +91,7 @@
 const char * const BITCOIN_CONF_FILENAME = "bitcoin.conf";
 const char * const BITCOIN_PID_FILENAME = "bitcoind.pid";
 
-CCriticalSection cs_args;
-std::map<std::string, std::string> mapArgs;
+ArgsManager gArgs;
 static std::map<std::string, std::vector<std::string> > _mapMultiArgs;
 const std::map<std::string, std::vector<std::string> >& mapMultiArgs = _mapMultiArgs;
 bool fPrintToConsole = false;
@@ -384,7 +382,7 @@ static void InterpretNegativeSetting(std::string& strKey, std::string& strValue)
     }
 }
 
-void ParseParameters(int argc, const char* const argv[])
+void ArgsManager::ParseParameters(int argc, const char* const argv[])
 {
     LOCK(cs_args);
     mapArgs.clear();
@@ -420,13 +418,19 @@ void ParseParameters(int argc, const char* const argv[])
     }
 }
 
-bool IsArgSet(const std::string& strArg)
+std::vector<std::string> ArgsManager::GetArgs(const std::string& strArg)
+{
+    LOCK(cs_args);
+    return mapMultiArgs.at(strArg);
+}
+
+bool ArgsManager::IsArgSet(const std::string& strArg)
 {
     LOCK(cs_args);
     return mapArgs.count(strArg);
 }
 
-std::string GetArg(const std::string& strArg, const std::string& strDefault)
+std::string ArgsManager::GetArg(const std::string& strArg, const std::string& strDefault)
 {
     LOCK(cs_args);
     if (mapArgs.count(strArg))
@@ -434,7 +438,7 @@ std::string GetArg(const std::string& strArg, const std::string& strDefault)
     return strDefault;
 }
 
-int64_t GetArg(const std::string& strArg, int64_t nDefault)
+int64_t ArgsManager::GetArg(const std::string& strArg, int64_t nDefault)
 {
     LOCK(cs_args);
     if (mapArgs.count(strArg))
@@ -442,7 +446,7 @@ int64_t GetArg(const std::string& strArg, int64_t nDefault)
     return nDefault;
 }
 
-bool GetBoolArg(const std::string& strArg, bool fDefault)
+bool ArgsManager::GetBoolArg(const std::string& strArg, bool fDefault)
 {
     LOCK(cs_args);
     if (mapArgs.count(strArg))
@@ -450,7 +454,7 @@ bool GetBoolArg(const std::string& strArg, bool fDefault)
     return fDefault;
 }
 
-bool SoftSetArg(const std::string& strArg, const std::string& strValue)
+bool ArgsManager::SoftSetArg(const std::string& strArg, const std::string& strValue)
 {
     LOCK(cs_args);
     if (mapArgs.count(strArg))
@@ -459,7 +463,7 @@ bool SoftSetArg(const std::string& strArg, const std::string& strValue)
     return true;
 }
 
-bool SoftSetBoolArg(const std::string& strArg, bool fValue)
+bool ArgsManager::SoftSetBoolArg(const std::string& strArg, bool fValue)
 {
     if (fValue)
         return SoftSetArg(strArg, std::string("1"));
@@ -467,7 +471,7 @@ bool SoftSetBoolArg(const std::string& strArg, bool fValue)
         return SoftSetArg(strArg, std::string("0"));
 }
 
-void ForceSetArg(const std::string& strArg, const std::string& strValue)
+void ArgsManager::ForceSetArg(const std::string& strArg, const std::string& strValue)
 {
     LOCK(cs_args);
     mapArgs[strArg] = strValue;
@@ -589,7 +593,7 @@ fs::path GetConfigFile(const std::string& confPath)
     return pathConfigFile;
 }
 
-void ReadConfigFile(const std::string& confPath)
+void ArgsManager::ReadConfigFile(const std::string& confPath)
 {
     fs::ifstream streamConfig(GetConfigFile(confPath));
     if (!streamConfig.good())
diff --git a/src/util.h b/src/util.h
index ed28070a3f..d6360a6c4c 100644
--- a/src/util.h
+++ b/src/util.h
@@ -16,6 +16,7 @@
 
 #include "compat.h"
 #include "fs.h"
+#include "sync.h"
 #include "tinyformat.h"
 #include "utiltime.h"
 
@@ -148,7 +149,6 @@ bool error(const char* fmt, const Args&... args)
 }
 
 void PrintExceptionContinue(const std::exception *pex, const char* pszThread);
-void ParseParameters(int argc, const char*const argv[]);
 void FileCommit(FILE *file);
 bool TruncateFile(FILE *file, unsigned int length);
 int RaiseFileDescriptorLimit(int nMinFD);
@@ -163,7 +163,6 @@ fs::path GetConfigFile(const std::string& confPath);
 fs::path GetPidFile();
 void CreatePidFile(const fs::path &path, pid_t pid);
 #endif
-void ReadConfigFile(const std::string& confPath);
 #ifdef WIN32
 fs::path GetSpecialFolderPath(int nFolder, bool fCreate = true);
 #endif
@@ -180,6 +179,15 @@ inline bool IsSwitchChar(char c)
 #endif
 }
 
+class ArgsManager
+{
+protected:
+    CCriticalSection cs_args;
+    std::map<std::string, std::string> mapArgs;
+public:
+    void ParseParameters(int argc, const char*const argv[]);
+    void ReadConfigFile(const std::string& confPath);
+    std::vector<std::string> GetArgs(const std::string& strArg);
 /**
  * Return true if the given argument has been manually set
  *
@@ -235,6 +243,55 @@ bool SoftSetBoolArg(const std::string& strArg, bool fValue);
 
 // Forces a arg setting, used only in testing
 void ForceSetArg(const std::string& strArg, const std::string& strValue);
+};
+
+extern ArgsManager gArgs;
+
+// wrappers using the global ArgsManager:
+static inline void ParseParameters(int argc, const char*const argv[])
+{
+    gArgs.ParseParameters(argc, argv);
+}
+
+static inline void ReadConfigFile(const std::string& confPath)
+{
+    gArgs.ReadConfigFile(confPath);
+}
+
+static inline bool SoftSetArg(const std::string& strArg, const std::string& strValue)
+{
+    return gArgs.SoftSetArg(strArg, strValue);
+}
+
+static inline void ForceSetArg(const std::string& strArg, const std::string& strValue)
+{
+    gArgs.ForceSetArg(strArg, strValue);
+}
+
+static inline bool IsArgSet(const std::string& strArg)
+{
+    return gArgs.IsArgSet(strArg);
+}
+
+static inline std::string GetArg(const std::string& strArg, const std::string& strDefault)
+{
+    return gArgs.GetArg(strArg, strDefault);
+}
+
+static inline int64_t GetArg(const std::string& strArg, int64_t nDefault)
+{
+    return gArgs.GetArg(strArg, nDefault);
+}
+
+static inline bool GetBoolArg(const std::string& strArg, bool fDefault)
+{
+    return gArgs.GetBoolArg(strArg, fDefault);
+}
+
+static inline bool SoftSetBoolArg(const std::string& strArg, bool fValue)
+{
+    return gArgs.SoftSetBoolArg(strArg, fValue);
+}
 
 /**
  * Format a string to be used as group of options in help messages