VBOX: Partial commit for completion trigger files (David taking over)

samples/vboxwrapper/vbox.h

@@ -141,6 +141,7 @@ public:
         // minimum time between checkpoints
     std::vector<std::string> copy_to_shared;
     std::vector<std::string> trickle_trigger_files;
+    std::vector<std::string> completion_trigger_files;
 
     /////////// END VBOX_JOB.XML ITEMS //////////////
 

samples/vboxwrapper/vboxwrapper.cpp

@@ -175,6 +175,10 @@ int parse_job_file(VBOX_VM& vm) {
             vm.trickle_trigger_files.push_back(str);
             continue;
         }
+        else if (xp.parse_string("completion_trigger_file", str)) {
+            vm.completion_trigger_files.push_back(str);
+            continue;
+        }
         fprintf(stderr, "%s parse_job_file(): unexpected tag %s\n",
             vboxwrapper_msg_prefix(buf, sizeof(buf)), xp.parsed_tag
         );
@@ -397,6 +401,27 @@ void VBOX_VM::check_trickle_triggers() {
     }
 }
 
+// check for trickle trigger files, and send trickles if find them.
+//
+void VBOX_VM::check_trickle_triggers() {
+    char filename[256], path[MAXPATHLEN], buf[256];
+    for (unsigned int i=0; i<trickle_trigger_files.size(); i++) {
+        strcpy(filename, trickle_trigger_files[i].c_str());
+        sprintf(path, "shared/%s", filename);
+        if (!boinc_file_exists(path)) continue;
+        string text;
+        int retval = read_file_string(path, text);
+        if (retval) {
+            fprintf(stderr,
+                "%s can't read trickle trigger file %s\n",
+                vboxwrapper_msg_prefix(buf, sizeof(buf)), filename
+            );
+        }
+        boinc_send_trickle_up(filename, const_cast<char*>(text.c_str()));
+        boinc_delete_file(path);
+    }
+}
+
 int main(int argc, char** argv) {
     int retval;
     int loop_iteration = 0;