1 files changed, 50 insertions, 22 deletions

diff --git a/src/bench/bench_bitcoin.cpp b/src/bench/bench_bitcoin.cpp
index 1d87883522..92befdd593 100644
--- a/src/bench/bench_bitcoin.cpp
+++ b/src/bench/bench_bitcoin.cpp
@@ -6,11 +6,10 @@
 
 #include <crypto/sha256.h>
 #include <key.h>
-#include <validation.h>
-#include <util.h>
 #include <random.h>
-
-#include <boost/lexical_cast.hpp>
+#include <util.h>
+#include <utilstrencodings.h>
+#include <validation.h>
 
 #include <memory>
 
@@ -22,39 +21,64 @@ static const char* DEFAULT_PLOT_PLOTLYURL = "https://cdn.plot.ly/plotly-latest.m
 static const int64_t DEFAULT_PLOT_WIDTH = 1024;
 static const int64_t DEFAULT_PLOT_HEIGHT = 768;
 
-int
-main(int argc, char** argv)
+static void SetupBenchArgs()
 {
-    gArgs.ParseParameters(argc, argv);
+    gArgs.AddArg("-?", "Print this help message and exit", false, OptionsCategory::OPTIONS);
+    gArgs.AddArg("-list", "List benchmarks without executing them. Can be combined with -scaling and -filter", false, OptionsCategory::OPTIONS);
+    gArgs.AddArg("-evals=<n>", strprintf("Number of measurement evaluations to perform. (default: %u)", DEFAULT_BENCH_EVALUATIONS), false, OptionsCategory::OPTIONS);
+    gArgs.AddArg("-filter=<regex>", strprintf("Regular expression filter to select benchmark by name (default: %s)", DEFAULT_BENCH_FILTER), false, OptionsCategory::OPTIONS);
+    gArgs.AddArg("-scaling=<n>", strprintf("Scaling factor for benchmark's runtime (default: %u)", DEFAULT_BENCH_SCALING), false, OptionsCategory::OPTIONS);
+    gArgs.AddArg("-printer=(console|plot)", strprintf("Choose printer format. console: print data to console. plot: Print results as HTML graph (default: %s)", DEFAULT_BENCH_PRINTER), false, OptionsCategory::OPTIONS);
+    gArgs.AddArg("-plot-plotlyurl=<uri>", strprintf("URL to use for plotly.js (default: %s)", DEFAULT_PLOT_PLOTLYURL), false, OptionsCategory::OPTIONS);
+    gArgs.AddArg("-plot-width=<x>", strprintf("Plot width in pixel (default: %u)", DEFAULT_PLOT_WIDTH), false, OptionsCategory::OPTIONS);
+    gArgs.AddArg("-plot-height=<x>", strprintf("Plot height in pixel (default: %u)", DEFAULT_PLOT_HEIGHT), false, OptionsCategory::OPTIONS);
+
+    // Hidden
+    gArgs.AddArg("-h", "", false, OptionsCategory::HIDDEN);
+    gArgs.AddArg("-help", "", false, OptionsCategory::HIDDEN);
+}
+
+static fs::path SetDataDir()
+{
+    fs::path ret = fs::temp_directory_path() / "bench_bitcoin" / fs::unique_path();
+    fs::create_directories(ret);
+    gArgs.ForceSetArg("-datadir", ret.string());
+    return ret;
+}
+
+int main(int argc, char** argv)
+{
+    SetupBenchArgs();
+    std::string error;
+    if (!gArgs.ParseParameters(argc, argv, error)) {
+        fprintf(stderr, "Error parsing command line arguments: %s\n", error.c_str());
+        return EXIT_FAILURE;
+    }
 
     if (HelpRequested(gArgs)) {
-        std::cout << HelpMessageGroup(_("Options:"))
-                  << HelpMessageOpt("-?", _("Print this help message and exit"))
-                  << HelpMessageOpt("-list", _("List benchmarks without executing them. Can be combined with -scaling and -filter"))
-                  << HelpMessageOpt("-evals=<n>", strprintf(_("Number of measurement evaluations to perform. (default: %u)"), DEFAULT_BENCH_EVALUATIONS))
-                  << HelpMessageOpt("-filter=<regex>", strprintf(_("Regular expression filter to select benchmark by name (default: %s)"), DEFAULT_BENCH_FILTER))
-                  << HelpMessageOpt("-scaling=<n>", strprintf(_("Scaling factor for benchmark's runtime (default: %u)"), DEFAULT_BENCH_SCALING))
-                  << HelpMessageOpt("-printer=(console|plot)", strprintf(_("Choose printer format. console: print data to console. plot: Print results as HTML graph (default: %s)"), DEFAULT_BENCH_PRINTER))
-                  << HelpMessageOpt("-plot-plotlyurl=<uri>", strprintf(_("URL to use for plotly.js (default: %s)"), DEFAULT_PLOT_PLOTLYURL))
-                  << HelpMessageOpt("-plot-width=<x>", strprintf(_("Plot width in pixel (default: %u)"), DEFAULT_PLOT_WIDTH))
-                  << HelpMessageOpt("-plot-height=<x>", strprintf(_("Plot height in pixel (default: %u)"), DEFAULT_PLOT_HEIGHT));
-
-        return 0;
+        std::cout << gArgs.GetHelpMessage();
+
+        return EXIT_SUCCESS;
     }
 
+    // Set the datadir after parsing the bench options
+    const fs::path bench_datadir{SetDataDir()};
+
     SHA256AutoDetect();
     RandomInit();
     ECC_Start();
     SetupEnvironment();
-    fPrintToDebugLog = false; // don't want to write to debug.log file
 
     int64_t evaluations = gArgs.GetArg("-evals", DEFAULT_BENCH_EVALUATIONS);
     std::string regex_filter = gArgs.GetArg("-filter", DEFAULT_BENCH_FILTER);
     std::string scaling_str = gArgs.GetArg("-scaling", DEFAULT_BENCH_SCALING);
     bool is_list_only = gArgs.GetBoolArg("-list", false);
 
-    double scaling_factor = boost::lexical_cast<double>(scaling_str);
-
+    double scaling_factor;
+    if (!ParseDouble(scaling_str, &scaling_factor)) {
+        fprintf(stderr, "Error parsing scaling factor as double: %s\n", scaling_str.c_str());
+        return EXIT_FAILURE;
+    }
 
     std::unique_ptr<benchmark::Printer> printer(new benchmark::ConsolePrinter());
     std::string printer_arg = gArgs.GetArg("-printer", DEFAULT_BENCH_PRINTER);
@@ -67,5 +91,9 @@ main(int argc, char** argv)
 
     benchmark::BenchRunner::RunAll(*printer, evaluations, scaling_factor, regex_filter, is_list_only);
 
+    fs::remove_all(bench_datadir);
+
     ECC_Stop();
+
+    return EXIT_SUCCESS;
 }