client/config, server/config: Check configured paths at startup

CMakeLists.txt

@@ -57,6 +57,7 @@ set(CLIENT_SRCS
 	src/client/main.cpp
 	src/client/state.cpp
 	src/client/app.cpp
+	src/client/config.cpp
 	src/core/log.cpp
 	src/impl/fs.cpp
 	src/impl/tcpsocket.cpp
@@ -76,6 +77,7 @@ set(SERVER_SRCS
 	src/server/main.cpp
 	src/server/state.cpp
 	src/server/rccpp.cpp
+	src/server/config.cpp
 	src/core/log.cpp
 	src/impl/fs.cpp
 	src/impl/event.cpp

src/client/config.cpp

@@ -0,0 +1,60 @@
+// http://www.apache.org/licenses/LICENSE-2.0
+// Copyright 2014 Perttu Ahola <celeron55@gmail.com>
+#include "client/config.h"
+#include "core/log.h"
+#include "interface/fs.h"
+#include <fstream>
+#define MODULE "config"
+
+namespace client {
+
+static bool check_file_readable(const ss_ &path)
+{
+	std::ifstream ifs(path);
+	bool readable = ifs.good();
+	if(!readable)
+		log_e(MODULE, "File is not readable: \"%s\"", cs(path));
+	return readable;
+}
+
+static bool check_file_writable(const ss_ &path)
+{
+	std::ofstream ofs(path);
+	bool writable = ofs.good();
+	if(!writable)
+		log_e(MODULE, "File is not writable: \"%s\"", cs(path));
+	return writable;
+}
+
+bool Config::check_paths()
+{
+	bool fail = false;
+
+	if(!check_file_readable(polycode_path+"/Core/Contents/Include/Polycode.h")){
+		log_e(MODULE, "Polycode doesn't seem to exist in polycode_path=\"%s\"",
+				cs(polycode_path));
+		fail = true;
+	}
+
+	if(!check_file_readable(share_path+"/extensions/test/init.lua")){
+		log_e(MODULE, "Static files don't seem to exist in share_path=\"%s\"",
+				cs(share_path));
+		fail = true;
+	}
+	else if(!check_file_readable(share_path+"/client/init.lua")){
+		log_e(MODULE, "Static files don't seem to exist in share_path=\"%s\"",
+				cs(share_path));
+		fail = true;
+	}
+
+	auto *fs = interface::getGlobalFilesystem();
+	fs->create_directories(cache_path);
+	if(!check_file_writable(cache_path+"/write.test")){
+		log_e(MODULE, "Cannot write into cache_path=\"%s\"", cs(cache_path));
+		fail = true;
+	}
+
+	return !fail;
+}
+
+}

src/client/config.h

@@ -8,8 +8,10 @@ namespace client
 	struct Config
 	{
 		ss_ server_address;
-		ss_ polycode_path = "/home/celeron55/softat/polycode/";
+		ss_ polycode_path = "../../polycode";
 		ss_ share_path = "..";
 		ss_ cache_path = "../cache";
+
+		bool check_paths();
 	};
 }

src/client/main.cpp

@@ -94,6 +94,10 @@ int main(int argc, char *argv[])
 		}
 	}
 
+	if(!config.check_paths()){
+		return 1;
+	}
+
 	Polycode::PolycodeView *view = new Polycode::PolycodeView("Hello Polycode!");
 	sp_<app::App> app0(app::createApp(view));
 

src/server/config.cpp

@@ -0,0 +1,57 @@
+// http://www.apache.org/licenses/LICENSE-2.0
+// Copyright 2014 Perttu Ahola <celeron55@gmail.com>
+#include "server/config.h"
+#include "core/log.h"
+#include "interface/fs.h"
+#include <fstream>
+#define MODULE "config"
+
+namespace server {
+
+static bool check_file_readable(const ss_ &path)
+{
+	std::ifstream ifs(path);
+	bool readable = ifs.good();
+	if(!readable)
+		log_e(MODULE, "File is not readable: \"%s\"", cs(path));
+	return readable;
+}
+
+static bool check_file_writable(const ss_ &path)
+{
+	std::ofstream ofs(path);
+	bool writable = ofs.good();
+	if(!writable)
+		log_e(MODULE, "File is not writable: \"%s\"", cs(path));
+	return writable;
+}
+
+bool Config::check_paths()
+{
+	bool fail = false;
+
+	if(!check_file_readable(share_path+"/builtin/network/network.cpp")){
+		log_e(MODULE, "Static files don't seem to exist in share_path=\"%s\"",
+				cs(share_path));
+		fail = true;
+	}
+
+	if(!check_file_readable(interface_path+"/event.h")){
+		log_e(MODULE, "Static files don't seem to exist in interface_path=\"%s\"",
+				cs(interface_path));
+		fail = true;
+	}
+
+	auto *fs = interface::getGlobalFilesystem();
+	fs->create_directories(rccpp_build_path);
+	if(!check_file_writable(rccpp_build_path+"/write.test")){
+		log_e(MODULE, "Cannot write into rccpp_build_path=\"%s\"",
+				cs(rccpp_build_path));
+		fail = true;
+	}
+
+	return !fail;
+}
+
+}
+

src/server/config.h

@@ -10,6 +10,8 @@ namespace server
 		ss_ rccpp_build_path = "../cache/rccpp_build";
 		ss_ interface_path = "../src/interface";
 		ss_ share_path = "..";
+
+		bool check_paths();
 	};
 }
 

src/server/main.cpp

@@ -97,6 +97,10 @@ int main(int argc, char *argv[])
 
 	std::cerr<<"Buildat server"<<std::endl;
 
+	if(!config.check_paths()){
+		return 1;
+	}
+
 	if(module_path.empty()){
 		std::cerr<<"Module path (-m) is empty"<<std::endl;
 		return 1;