taler-mdb

commit 98b5626ace51fcd0a2c7b0f35198ff2464e1c51b
parent d83c076899a2cf775360a9c1a65769126087cc0e
Author: Dominik Hofer <dominik.hofer@bfh.ch>
Date:   Fri,  6 Dec 2019 12:02:53 +0100

fixtodos

Diffstat:
M
src/main.c
 | 
34
+++++++++++++++++++++++++++++++---

1 file changed, 31 insertions(+), 3 deletions(-)
diff --git a/src/main.c b/src/main.c
@@ -25,6 +25,8 @@ along with
 * TODO:
 * - comment code (Boss)
 * - replace remaining MDB magic constants with #defines (Hofer)
+* - no warnings for known commands that we do not care about (maybe DEBUG-level logging!) (Hofer)
+* - implement cancel confirmation (Hofer)
 */
 #include "config.h"
 #include <stdio.h>
@@ -142,6 +144,16 @@ along with
 #define VMC_VEND_SUCCESS 0x02
 #define VMC_VEND_FAILURE 0x03
 #define VMC_VEND_SESSION_COMPLETE 0x04
+
+/**
+ * Commands for the reader (our device).
+ */
+#define VMC_READER 0x14
+#define VMC_READER_ENABLE 0x01
+#define VMC_READER_CANCEL 0x02
+
+#define VMC_REQUEST_ID 0x17
+
 /**
  * Out of sequence.
  */
@@ -158,10 +170,10 @@ along with
 #define READER_VEND_APPROVE "05"
 #define READER_VEND_DENIED "06"
 #define READER_END_SESSION "07"
+#define READER_CANCELLED "08"
 
 /* Unused reader commands */
 #define READER_DISPLAY_REQUEST "02"
-#define READER_SESSION_CANCELLED "08"
 #define READER_SESSION_CANCEL_REQUEST "04"
 #define READER_REVALUE_APPROVED "0D"
 #define READER_REVALUE_DENIED "0E"
@@ -493,6 +505,11 @@ static struct MdbCommand denyVend;
 static struct MdbCommand approveVend;
 
 /**
+ * Confirm cancellation by machine.
+ */
+static struct MdbCommand readerCancelled;
+
+/**
  * Terminate session.
  */
 static struct MdbCommand endSession;
@@ -1747,7 +1764,7 @@ handle_command (const char *hex,
                 "Received request for configuration via MDB\n");
     mdb.cmd = &readerConfigData;
     break;
-  case 0x14:
+  case VMC_READER:
     {
       unsigned int subcmd;
 
@@ -1766,11 +1783,15 @@ handle_command (const char *hex,
 
       switch (subcmd)
       {
-      case 0x01:
+      case VMC_READER_ENABLE:
         GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                     "Received Reader Enable via MDB\n");
         mdb.session_running = GNUNET_NO;
         break;
+      case VMC_READER_CANCEL:
+	mdb.cmd = &readerCancelled;
+	mdb.session_running = GNUNET_NO;
+	break;
       default:
         GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                     "Unknown MDB sub-command %X of command %X\n",
@@ -1780,6 +1801,10 @@ handle_command (const char *hex,
       }
       break;
     }
+  case VMC_REQUEST_ID:
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Received VMC request ID, no need to handle (done by HW)\n");
+    break;
   case VMC_ACKN:
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                 "Received acknowledgement (for command `%s') from MDB\n",
@@ -2395,6 +2420,9 @@ main (int argc,
   approveVend = setup_mdb_cmd ("Approve Vend",
                                READER_VEND_APPROVE,
                                "0001");
+  readerCancelled = setup_mdb_cmd ("Confirm cancellation",
+				   READER_CANCELLED,
+				   NULL);
   denyVend = setup_mdb_cmd ("Deny Vend",
                             READER_VEND_DENIED,
                             NULL);