added ipc

src/reHDD.cpp

@@ -8,7 +8,16 @@
 #include "../include/reHDD.h"
 
 
-static int fd[2];//File descriptor for creating a pipe
+static int fdSearchDrives[2];//File descriptor for pipe that informs if new drives are found
+
+static int fdUserInput[2];//File descriptor for pipe that informs if a user input occoures
+
+static std::mutex mxScannDrives;
+
+static vector <Drive> vecNewDrives; //store found drives that are updated every 5sec
+
+
+static fd_set selectSet;
 
 /**
  * \brief   app constructor
@@ -29,23 +38,28 @@ void reHDD::app_logic(void)
 {
     cout << "app logic" << endl;
 
-    thread thDevices(ThreadDevices);
 
+ int  result = pipe(fdSearchDrives);
 
-    //searchDrives(&vecDrives);           //search for new drives and store them in list
-    //filterIgnoredDrives(&vecDrives);    //filter out ignored drives
-    //addSMARTData(&vecDrives);           //add S.M.A.R.T. Data to the drives
-  //  printDrives(&vecDrives);            //print currently attached drives
+    FD_ZERO(&selectSet);
+    FD_SET(fdSearchDrives[0], &selectSet);
 
+    thread thDevices(ThreadScannDevices);
 
-
-   int  result = pipe (fd);
+   
 
 while(1){
+
+ int iSelectReturn =    select(FD_SETSIZE, &selectSet, NULL, NULL, NULL);
+
+
+ if( FD_ISSET(fdSearchDrives[0], &selectSet)) {
+
+
       char    ch;
    
 
-      result = read (fd[0],&ch,1);
+      result = read (fdSearchDrives[0],&ch,1);
    
           if (result != 1) {
         perror("read");
@@ -54,6 +68,17 @@ while(1){
 
       printf ("From Main Thread: %c\n", ch); 
       
+      mxScannDrives.lock();
+      printDrives(&vecNewDrives);
+      //replace with old list
+      // action if needed
+      mxScannDrives.unlock();
+
+ }
+
+
+
+
       
         }
 
@@ -62,8 +87,6 @@ while(1){
 
     thDevices.join();
 
-    std::cout << std::endl;
-
 /*
 
 
@@ -81,7 +104,7 @@ while(1){
 */
 }
 
-void reHDD::ThreadDevices(){
+void reHDD::ThreadScannDevices(){
 
 
 
@@ -90,19 +113,22 @@ while(true){
 cout << "Thread" << endl;
 
 
+  mxScannDrives.lock();
+  vecNewDrives.clear();
+
+
+    searchDrives(&vecNewDrives);           //search for new drives and store them in list
+    filterIgnoredDrives(&vecNewDrives);    //filter out ignored drives
+    addSMARTData(&vecNewDrives);           //add S.M.A.R.T. Data to the drives
+    
+ mxScannDrives.unlock();
 
 
 
 
 
 
-
-
-
-
-
-
-     int  result = write (fd[1], "A",1);
+     int  result = write (fdSearchDrives[1], "A",1);
      //cout << result << endl;
        if (result != 1){
            perror ("write error");