Cleanup and example README

abedra · Oct 27, 2021 · 39958e0 · 39958e0
1 parent 45ef8c2
commit 39958e0
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Showing 3 changed files with 28 additions and 1 deletion.
diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.20)
+cmake_minimum_required(VERSION 3.18)
 project(example)
 
 set(CMAKE_CXX_STANDARD 20)

diff --git a/example/README.md b/example/README.md
@@ -0,0 +1,17 @@
+# Simple WebSocket Example
+
+## Server
+
+```shell
+cd server
+npm install
+node index.js
+```
+
+## Client
+
+```shell
+cmake -Bbuild -H.
+cmake --build build
+./build/example
+```
diff --git a/example/main.cpp b/example/main.cpp
@@ -4,11 +4,17 @@
 #include <Poco/Net/HTTPRequest.h>
 #include <Poco/Net/HTTPResponse.h>
 #include <simple_websocket.hpp>
+#include <csignal>
 
 constexpr int FRAME_SIZE = 1024;
 
 bool continueRunning = true;
 
+void handleSignal(int _) {
+  std::cout << "Received shutdown signal, terminating" << std::endl;
+  continueRunning = false;
+}
+
 struct TestFrameParser final : SimpleWebSocket::FrameParser<std::string> {
   std::string handlePing(const SimpleWebSocket::PingFrame &pingFrame) override {
     return "ERROR: received unexpected ping frame";
@@ -36,6 +42,10 @@ struct TestFrameParser final : SimpleWebSocket::FrameParser<std::string> {
 };
 
 int main() {
+  signal(SIGHUP, handleSignal);
+  signal(SIGINT, handleSignal);
+  signal(SIGTERM, handleSignal);
+
   Poco::Net::HTTPClientSession session{"localhost", 8080};
   Poco::Net::HTTPRequest request{Poco::Net::HTTPRequest::HTTP_GET, "/", Poco::Net::HTTPMessage::HTTP_1_1};
   Poco::Net::HTTPResponse response;