resubmission: expose the updated report ID

src/main/java/io/ooni/mk/MKCollectorResubmitResults.java

@@ -12,6 +12,8 @@ public class MKCollectorResubmitResults {
 
     final static native String Content(long handle);
 
+    final static native String ReportID(long handle);
+
     final static native String Logs(long handle);
 
     final static native void Delete(long handle);
@@ -33,6 +35,11 @@ public String getUpdatedSerializedMeasurement() {
         return Content(handle);
     }
 
+    /** getUpdatedReportID returns the updated report ID. */
+    public String getUpdatedReportID() {
+        return ReportID(handle);
+    }
+
     /** getLogs returns the logs as one-or-more newline-separated
      * lines containing only UTF-8 characters. */
     public String getLogs() {

src/mkall/cpp/collector.cpp

@@ -16,6 +16,10 @@ MKALL_GET_STRING(MKCollectorResubmitResults_Content,
                  mk_collector_resubmit_response_content,
                  mk_collector_resubmit_response_t)
 
+MKALL_GET_STRING(MKCollectorResubmitResults_ReportID,
+                 mk_collector_resubmit_response_report_id,
+                 mk_collector_resubmit_response_t)
+
 MKALL_GET_LOGS(MKCollectorResubmitResults_Logs,
                mk_collector_resubmit_response_logs_size,
                mk_collector_resubmit_response_logs_at,

src/test/java/io/ooni/mk/MKCollectorResubmitTest.java

@@ -33,6 +33,7 @@ public static void main(String[] args) {
         MKCollectorResubmitResults results = settings.perform();
         System.out.println("Good         : " + results.isGood());
         System.out.println("Measurement  : " + results.getUpdatedSerializedMeasurement());
+        System.out.println("Report ID    : " + results.getUpdatedReportID());
         System.out.print(results.getLogs());
     }
 }