fix bug on partial response (extended)

src/ulib/net/server/client_image.cpp

@@ -1392,6 +1392,8 @@ bool UClientImage_Base::writeResponse()
       U_RETURN(true);
       }
 
+   int idx = 0, iovcnt = 4;
+
 loop:
    if (iBytesWrite > 0)
       {
@@ -1413,7 +1415,16 @@ loop:
          {
          if (UNotifier::waitForWrite(socket->iSockDesc, U_TIMEOUT_MS) != 1) U_RETURN(false);
 
-         iBytesWrite = USocketExt::writev(socket, iov_vec, 4, ncount, UServer_Base::timeoutMS);
+         while (iov_vec[idx].iov_len == 0)
+            {
+            ++idx;
+            --iovcnt;
+
+            U_INTERNAL_ASSERT_MINOR(idx, 4)
+            U_INTERNAL_ASSERT_MAJOR(iovcnt, 0)
+            }
+
+         iBytesWrite = USocketExt::writev(socket, iov_vec+idx, iovcnt, ncount, UServer_Base::timeoutMS);
 
          if (LIKELY(iBytesWrite == (int)ncount))
             {

src/ulib/net/server/plugin/mod_nocat.cpp

@@ -651,6 +651,7 @@ int UNoCatPlugIn::handlerTime()
       UTimeVal::setSecond(next_event_time);
       }
 
+   // ---------------
    // return value:
    // ---------------
    // -1 - normal

src/ulib/utility/socket_ext.cpp

@@ -439,8 +439,6 @@ error:   U_INTERNAL_DUMP("errno = %d", errno)
                   iov[idx].iov_len = 0;
 
          ++idx;
-
-         U_INTERNAL_ASSERT_MINOR(idx, iovcnt)
          }
 
       U_INTERNAL_DUMP("iov[%d].iov_len = %d", idx, iov[idx].iov_len)
@@ -453,6 +451,8 @@ error:   U_INTERNAL_DUMP("errno = %d", errno)
       iov    += idx;
       iovcnt -= idx;
 
+      U_INTERNAL_ASSERT_MAJOR(iovcnt, 0)
+
       timeoutMS = 0;
 
       goto write;

tests/examples/TSA/CA/tsaserial

@@ -1 +0,0 @@
-B0D1