api: register endian handlers for reply messages 66/28566/2
authorOle Troan <ot@cisco.com>
Mon, 24 Aug 2020 10:22:01 +0000 (12:22 +0200)
committerAndrew Yourtchenko <ayourtch@gmail.com>
Tue, 25 Aug 2020 07:35:49 +0000 (07:35 +0000)
Endian handlers was not registered for reply messages.
Causing endian-neutral handlers to crash.

Type: fix
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: Id14173300ee1ab2601e92d58c70d2fa260814b69

src/plugins/dhcp/dhcp.api
src/plugins/dhcp/dhcp_test.c
src/tools/vppapigen/vppapigen_c.py
src/vlibapi/api_helper_macros.h

index 9d8ca4c..4611d5f 100644 (file)
@@ -264,7 +264,7 @@ typedef dhcp_server
 /** \brief Tell client about a DHCP completion event
     @param client_index - opaque cookie to identify the sender
 */
-manual_endian manual_print define dhcp_proxy_details
+define dhcp_proxy_details
 {
   u32 context;
   u32 rx_vrf_id;
index 0eb87ab..c1894ec 100644 (file)
@@ -142,9 +142,6 @@ api_dhcp_proxy_config (vat_main_t * vam)
   return ret;
 }
 
-#define vl_api_dhcp_proxy_details_t_endian vl_noop_handler
-#define vl_api_dhcp_proxy_details_t_print vl_noop_handler
-
 static void
 vl_api_dhcp_proxy_details_t_handler (vl_api_dhcp_proxy_details_t * mp)
 {
index bf55739..59dbbc9 100644 (file)
@@ -644,6 +644,19 @@ def generate_c_boilerplate(services, defines, file_crc, module, stream):
               '                                  .is_autoendian = 0}};\n'
               .format(n=s.caller, ID=s.caller.upper()))
         write('   vl_msg_api_config (&c);\n')
+        try:
+            d = define_hash[s.reply]
+            write('   c = (vl_msg_api_msg_config_t) {{.id = VL_API_{ID} + msg_id_base,\n'
+                  '                                  .name = "{n}",\n'
+                  '                                  .handler = 0,\n'
+                  '                                  .cleanup = vl_noop_handler,\n'
+                  '                                  .endian = vl_api_{n}_t_endian,\n'
+                  '                                  .print = vl_api_{n}_t_print,\n'
+                  '                                  .is_autoendian = 0}};\n'
+                  .format(n=s.reply, ID=s.reply.upper()))
+            write('   vl_msg_api_config (&c);\n')
+        except KeyError:
+            pass
 
     write('   return msg_id_base;\n')
     write('}\n')
index c7348cf..8fc0bd5 100644 (file)
@@ -43,6 +43,25 @@ do {                                                                    \
     vl_api_send_msg (rp, (u8 *)rmp);                                    \
 } while(0);
 
+#define REPLY_MACRO_END(t)                                              \
+do {                                                                    \
+    vl_api_registration_t *rp;                                          \
+    rv = vl_msg_api_pd_handler (mp, rv);                                \
+    rp = vl_api_client_index_to_registration (mp->client_index);        \
+    if (rp == 0)                                                        \
+      return;                                                           \
+                                                                        \
+    rmp = vl_msg_api_alloc (sizeof (*rmp));                             \
+    rmp->_vl_msg_id = t+(REPLY_MSG_ID_BASE);                            \
+    rmp->context = mp->context;                                         \
+    rmp->retval = rv;                                                   \
+    api_main_t *am = vlibapi_get_main ();                              \
+    void (*endian_fp) (void *);                                                \
+    endian_fp = am->msg_endian_handlers[t+(REPLY_MSG_ID_BASE)];                \
+    (*endian_fp) (rmp);                                                        \
+    vl_api_send_msg (rp, (u8 *)rmp);                                    \
+} while(0);
+
 #define REPLY_MACRO2(t, body)                                           \
 do {                                                                    \
     vl_api_registration_t *rp;                                          \
@@ -74,7 +93,7 @@ do {                                                                    \
     do {body;} while (0);                                               \
     api_main_t *am = vlibapi_get_main ();                              \
     void (*endian_fp) (void *);                                                \
-    endian_fp = am->msg_endian_handlers[t];                            \
+    endian_fp = am->msg_endian_handlers[t+(REPLY_MSG_ID_BASE)];                \
     (*endian_fp) (rmp);                                                        \
     vl_api_send_msg (rp, (u8 *)rmp);                                    \
 } while(0);