X-Git-Url: https://git.ucc.asn.au/?p=progcomp2012.git;a=blobdiff_plain;f=judge%2Fmanager%2Fprogram.h;fp=judge%2Fmanager%2Fprogram.h;h=01e00bce1ba01f428e9f8dc78c0b133664948f67;hp=0000000000000000000000000000000000000000;hb=1a03b2543b67f0551e62babec4cd119f1e0e4640;hpb=e8a611c553bd336550c50ed7491d5800a2ae7142

diff --git a/judge/manager/program.h b/judge/manager/program.h
new file mode 100644
index 0000000..01e00bc
--- /dev/null
+++ b/judge/manager/program.h
@@ -0,0 +1,41 @@
+#ifndef PROGRAM_H
+#define PROGRAM_H
+
+#include "thread_util.h"
+
+#include <string>
+#include <unistd.h> //Needed to check permissions
+
+/**
+ * A wrapping class for an external program, which can exchange messages with the current process through stdin/stdout
+ * Useful for attaching control of an operation to an external process - for example, AI for a game
+ */
+class Program
+{
+	public:
+		Program(const char * executeablePath); //Constructor
+		virtual ~Program(); //Destructor
+
+
+
+
+		bool SendMessage(const char * print, ...); //Sends a formated message (NOTE: Prints a newline)
+		bool SendMessage(const std::string & buffer) {return SendMessage(buffer.c_str());} //Sends a C++ string message
+		bool GetMessage(std::string & buffer, double timeout=-1); //Retrieves a message, or waits for a timeout (if positive)
+
+		bool Running() const;
+
+		
+
+	protected:
+		FILE * input;	//Stream used for sending information TO the process
+		FILE * output; //Stream used for retrieving information FROM the process
+
+	private:
+		pid_t pid; //Process ID of the program wrapped
+		
+};
+
+#endif //PROGRAM_H
+
+