interactive cli has basic functionality

cli/src/useriomanager.cpp

@@ -3,6 +3,55 @@
 #include <iostream>
 #include <jsoncpp/json/json.h>
 
+#include <readline/readline.h>
+
+
 void UserIoManager::run() {
 	std::cout << "UserIoManager::run() says hello!" << std::endl;
-}
+	
+	
+
+
+	
+	bool keep_reading = true;
+	while(keep_reading){
+		
+		// read an input line
+		char *line = readline ("ccats> ");
+        
+        // if no input, do not add to history, and go to reading next line
+		if (strlen(line) == 0) {
+			free(line);
+			continue;
+		}
+		
+		// add the line to history
+		add_history(line);
+		
+		if(!strcmp(line, "help")) {
+        
+            std::printf("ccats command line interface\n");
+            std::printf("available COMMANDs are:\n");
+            std::printf("help   - shows this help\n");
+            std::printf("status - asks the server for status\n");
+            std::printf("close  - closes the connection to the server\n");
+            
+        }
+        else if (!strcmp(line, "status")) {
+        
+            // do stuff
+            
+        }
+        else if (!strcmp(line, "close")) {
+        
+            // do stuff
+            
+            keep_reading = false;
+            
+        }
+		
+		free(line);
+	}
+	
+	return;
+}