Add a command-line parameter for the RPC server

bsnes/target-bsnes/bsnes.cpp

@@ -30,6 +30,8 @@ auto nall::main(Arguments arguments) -> void {
       Application::locale().select(argument.trimLeft("--locale=", 1L));
     } else if(argument.beginsWith("--settings=")) {
       settings.location = argument.trimLeft("--settings=", 1L);
+    } else if(argument.beginsWith("--rpcPort=")) {
+      program.rpcServerPort = std::stoi(std::string(argument.trimLeft("--rpcPort=").data()));
     } else if (inode::exists(argument)) {
       //game without option
       program.gameQueue.append({"Auto;", argument});

bsnes/target-bsnes/program/program.hpp

@@ -225,6 +225,7 @@ public:
 
   ProducerConsumerQueue<RpcCommand> pendingRpcCommands;
   nall::HTTP::Server rpcServer;
+  int rpcServerPort = 0;
 
   bool fastForwarding = false;
   bool rewinding = false;

bsnes/target-bsnes/program/rpc.cpp

@@ -1,6 +1,8 @@
 #include <debugapi.h>
 
 auto Program::startRpcListener() -> void {
+	if (rpcServerPort < 1024) return;
+
 	rpcServer.main([&](nall::HTTP::Request &rq) -> nall::HTTP::Response {
 		nall::HTTP::Response resp;
 
@@ -46,14 +48,17 @@ auto Program::startRpcListener() -> void {
 		return resp; 
 	});
 
-	rpcServer.open();
+	rpcServer.open(rpcServerPort);
 }
 
 auto Program::stopRpcListener() -> void {
+	if (rpcServerPort < 1024) return;
 	rpcServer.close();
 }
 
 auto Program::processRpcCommands() -> void {
+	if (rpcServerPort < 1024) return;
+
 	rpcServer.scan();
 
 	RpcCommand cmd;