From 1d60582afd86ee3aafe047516ced6d54c847bbd3 Mon Sep 17 00:00:00 2001
From: Bob Polis <rpb.polis@avans.nl>
Date: Sat, 21 Nov 2020 14:05:47 +0100
Subject: [PATCH] added iterations/sec counter (when verbose)

---
 src/main.cpp | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 34385ba..80608ef 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -12,8 +12,10 @@
 #include <stdexcept>
 #include <vector>
 #include <memory>
+#include <thread>
 #include <getopt.h>
 #include <sqlite3.h>
+#include <sc/integer_locale.hpp>
 #include "robinsonizer_mode.hpp"
 #include "engine.hpp"
 
@@ -137,8 +139,27 @@ int main(int argc, const char * argv[]) {
         if (start.size() == 0) start = "This sentence contains";
         if (maxiter == 0) maxiter = 10;
         engine robinsonizer {start, std::move(numerals), maxiter, mode, verbose};
-        robinsonizer.run();
-        std::cout << robinsonizer << '\n';
+        if (verbose) {
+            std::locale loc {std::locale {}, new sc::integer_locale};
+            std::cerr.imbue(loc);
+            std::cout.imbue(loc);
+
+            std::thread worker {[&robinsonizer](){robinsonizer.run();}};
+
+            unsigned long long cur_iter {robinsonizer.total_iterations()};
+            unsigned long long prev_iter {0};
+
+            while (!robinsonizer.found()) { // show progress info
+                prev_iter = cur_iter;
+                std::this_thread::sleep_for(std::chrono::seconds{1});
+                cur_iter = robinsonizer.total_iterations();
+                std::cerr << '\r' << cur_iter - prev_iter << " iterations per second, " << cur_iter << " total        ";
+            }
+            worker.join();
+        } else {
+            robinsonizer.run();
+        }
+        std::cout << '\n' << robinsonizer << '\n';
 
     } catch (const std::exception& ex) {
         std::cerr << "autogram: " << ex.what() << '\n';