Fix for bug in server for touch

[awesomized/libmemcached] / libmemcached / response.cc

diff --git a/libmemcached/response.cc b/libmemcached/response.cc
index 67b0999f7f2afff67e462ec9c2c5a4894577aea8..391c9309814ef10c0eb4d04c0ae0644ed4fd1f94 100644 (file)
--- a/libmemcached/response.cc
+++ b/libmemcached/response.cc
@@ -416,7 +416,17 @@ static memcached_return_t textual_read_one_response(org::libmemcached::Instance*
           and buffer[6] == '_'
           and buffer[7] == 'E' and buffer[8] == 'R' and buffer[9] == 'R' and buffer[10] == 'O' and buffer[11] == 'R')
       {
-        return MEMCACHED_CLIENT_ERROR;
+        // Move past the basic error message and whitespace
+        char *startptr= buffer + memcached_literal_param_size("CLIENT_ERROR");
+        if (startptr[0] == ' ')
+        {
+          startptr++;
+        }
+
+        char *endptr= startptr;
+        while (*endptr != '\r' && *endptr != '\n') endptr++;
+
+        return memcached_set_error(*instance, MEMCACHED_CLIENT_ERROR, MEMCACHED_AT, startptr, size_t(endptr - startptr));
       }
     }
     break;
@@ -638,6 +648,25 @@ static memcached_return_t binary_read_one_response(org::libmemcached::Instance*
       }
       break;
 
+    case PROTOCOL_BINARY_CMD_TOUCH:
+      {
+        rc= MEMCACHED_SUCCESS;
+        if (bodylen == 4) // The four byte read is a bug?
+        {
+          char touch_buffer[4]; // @todo document this number
+          rc= memcached_safe_read(instance, touch_buffer, sizeof(touch_buffer));
+#if 0
+          fprintf(stderr, "%s:%d %d %d %d %d %.*s(%d)\n", __FILE__, __LINE__,
+                  int(touch_buffer[0]),
+                  int(touch_buffer[1]),
+                  int(touch_buffer[2]),
+                  int(touch_buffer[3]),
+                  int(bodylen), touch_buffer, int(bodylen));
+#endif
+        }
+        return memcached_set_error(*instance, rc, MEMCACHED_AT);
+      }
+
     case PROTOCOL_BINARY_CMD_FLUSH:
     case PROTOCOL_BINARY_CMD_QUIT:
     case PROTOCOL_BINARY_CMD_SET:
@@ -646,7 +675,6 @@ static memcached_return_t binary_read_one_response(org::libmemcached::Instance*
     case PROTOCOL_BINARY_CMD_APPEND:
     case PROTOCOL_BINARY_CMD_PREPEND:
     case PROTOCOL_BINARY_CMD_DELETE:
-    case PROTOCOL_BINARY_CMD_TOUCH:
       {
         WATCHPOINT_ASSERT(bodylen == 0);
         return MEMCACHED_SUCCESS;
@@ -795,7 +823,7 @@ static memcached_return_t _read_one_response(org::libmemcached::Instance* instan
 
   if (result == NULL)
   {
-    memcached_st *root= (memcached_st *)instance->root;
+    Memcached *root= (Memcached *)instance->root;
     result = &root->result;
   }