- Added variable "ignore_timeout" that lets the generator tell

  us to ignore a timeout without turning off the timeout-related
  time-keeping that the keep-alive processing needs.
- Added a new function:  maybe_send_keepalive().

diff --git a/io.c b/io.c
index 7e02d34..7d44962 100644 (file)
--- a/io.c
+++ b/io.c
@@ -56,6 +56,7 @@ extern struct stats stats;
 
 const char phase_unknown[] = "unknown";
 int select_timeout = SELECT_TIMEOUT;
+int ignore_timeout = 0;
 int batch_fd = -1;
 int batch_gen_fd = -1;
 
@@ -137,7 +138,7 @@ static void check_timeout(void)
 {
        time_t t;
 
-       if (!io_timeout)
+       if (!io_timeout || ignore_timeout)
                return;
 
        if (!last_io) {
@@ -634,6 +635,19 @@ void io_end_buffering(void)
 }
 
 
+void maybe_send_keepalive(int allowed_lull, int ndx)
+{
+       if (time(NULL) - last_io >= allowed_lull) {
+               if (!iobuf_out || !iobuf_out_cnt) {
+                       write_int(sock_f_out, ndx);
+                       write_shortint(sock_f_out, ITEM_IS_NEW);
+               }
+               if (iobuf_out)
+                       io_flush(NORMAL_FLUSH);
+       }
+}
+
+
 /**
  * Continue trying to read len bytes - don't return until len has been
  * read.
@@ -1014,6 +1028,7 @@ static void writefd_unbuffered(int fd,char *buf,size_t len)
                         * to grab any messages they sent before they died. */
                        while (fd == sock_f_out && io_multiplexing_in) {
                                io_timeout = select_timeout = 30;
+                               ignore_timeout = 0;
                                readfd_unbuffered(sock_f_in, io_filesfrom_buf,
                                                  sizeof io_filesfrom_buf);
                        }