add a simple httpd server standalone example

httpd.cpp

@@ -0,0 +1,45 @@
+/*
+ *  httpd.cpp
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2020 Machine Zone, Inc. All rights reserved.
+ *
+ *  Buid with make httpd
+ */
+
+#include <ixwebsocket/IXHttpServer.h>
+#include <sstream>
+#include <iostream>
+
+int main(int argc, char** argv)
+{
+    if (argc != 3)
+    {
+        std::cerr << "Usage: httpd <port> <host>" << std::endl;
+        std::cerr << " ./a.out 9090 127.0.0.1" << std::endl;
+        std::cerr << " ./a.out 9090 0.0.0.0" << std::endl;
+        return 1;
+    }
+
+    int port;
+    std::stringstream ss;
+    ss << argv[1];
+    ss >> port;
+    std::string hostname(argv[2]);
+
+    std::cout << "Listening on " << hostname
+              << ":" << port << std::endl;
+
+    ix::HttpServer server(port, hostname);
+
+    auto res = server.listen();
+    if (!res.first)
+    {
+        std::cout << res.second << std::endl;
+        return 1;
+    }
+
+    server.start();
+    server.wait();
+
+    return 0;
+}

makefile

@@ -169,6 +169,28 @@ ws_test: ws
 autobahn_report:
 	cp -rvf ~/sandbox/reports/clients/* ../bsergean.github.io/IXWebSocket/autobahn/
 
+httpd:
+	clang++ --std=c++14 --stdlib=libc++ httpd.cpp \
+		ixwebsocket/IXSelectInterruptFactory.cpp \
+		ixwebsocket/IXCancellationRequest.cpp \
+		ixwebsocket/IXSocketTLSOptions.cpp \
+		ixwebsocket/IXUserAgent.cpp \
+		ixwebsocket/IXDNSLookup.cpp \
+		ixwebsocket/IXBench.cpp \
+		ixwebsocket/IXWebSocketHttpHeaders.cpp \
+		ixwebsocket/IXSelectInterruptPipe.cpp \
+		ixwebsocket/IXHttp.cpp \
+		ixwebsocket/IXSocketConnect.cpp \
+		ixwebsocket/IXSocket.cpp \
+		ixwebsocket/IXSocketServer.cpp \
+		ixwebsocket/IXNetSystem.cpp \
+		ixwebsocket/IXHttpServer.cpp \
+		ixwebsocket/IXSocketFactory.cpp \
+		ixwebsocket/IXConnectionState.cpp \
+		ixwebsocket/IXUrlParser.cpp \
+		ixwebsocket/IXSelectInterrupt.cpp \
+		ixwebsocket/apple/IXSetThreadName_apple.cpp -lz
+
 # For the fork that is configured with appveyor
 rebase_upstream:
 	git fetch upstream