Extended client by adding sample state mutation to daemon and lib

1 files changed, 48 insertions, 2 deletions

diff --git a/sample_client/src/client.cpp b/sample_client/src/client.cpp
index 87421ca..c0125c2 100644
--- a/sample_client/src/client.cpp
+++ b/sample_client/src/client.cpp
@@ -1,6 +1,52 @@
+#include <cstdlib>
+#include <iostream>
+#include <stdexcept>
+#include <string_view>
+
 #include <hwd.h>
 
-int main(int, char **)
+int main(int argc, char ** argv)
 {
-	hwd::stop_server();
+	if (2 > argc)
+	{
+		std::cerr << "missing operation" << std::endl;
+		return 1;
+	}
+	std::string_view op {argv[1]};
+	if (0 == op.compare("shutdown"))
+	{
+		hwd::stop_server();
+	}
+	else if (0 == op.compare("set"))
+	{
+		if (3 > argc)
+		{
+			std::cerr << "missing int argument to set" << std::endl;
+			return 1;
+		}
+		std::string input {argv[2]};
+		try
+		{
+			hwd::set_value(std::stoi(input));
+		}
+		catch (const std::invalid_argument &)
+		{
+			std::cerr << "bad argument to set" << std::endl;
+			return 1;
+		}
+		catch (const std::out_of_range &)
+		{
+			std::cerr << "int argument is too large" << std::endl;
+			return 1;
+		}
+	}
+	else if (0 == op.compare("get"))
+	{
+		std::cout << hwd::get_value() << std::endl;
+	}
+	else
+	{
+		std::cerr << "invalid operation" << std::endl;
+		return 1;
+	}
 }