- Added set_io_timeout(), which sets all the timeout-dependent

  variables when the timeout value changes.
- Split last_io into last_io_in and last_io_out.
- Made select_timeout static.

diff --git a/io.c b/io.c
index f8b908e..90ff04f 100644 (file)
--- a/io.c
+++ b/io.c
@@ -49,6 +49,7 @@ extern int am_daemon;
 extern int am_sender;
 extern int am_generator;
 extern int eol_nulls;
+extern int read_batch;
 extern int csum_length;
 extern int checksum_seed;
 extern int protocol_version;
@@ -59,7 +60,6 @@ extern struct stats stats;
 extern struct file_list *the_file_list;
 
 const char phase_unknown[] = "unknown";
-int select_timeout = SELECT_TIMEOUT;
 int ignore_timeout = 0;
 int batch_fd = -1;
 int batch_gen_fd = -1;
@@ -90,7 +90,8 @@ int sock_f_out = -1;
 
 static int io_multiplexing_out;
 static int io_multiplexing_in;
-static time_t last_io;
+static time_t last_io_in;
+static time_t last_io_out;
 static int no_flush;
 
 static int write_batch_monitor_in = -1;
@@ -103,6 +104,7 @@ static char *io_filesfrom_bp;
 static char io_filesfrom_lastchar;
 static int io_filesfrom_buflen;
 static size_t contiguous_write_len = 0;
+static int select_timeout = SELECT_TIMEOUT;
 
 static void read_loop(int fd, char *buf, size_t len);
 
@@ -166,17 +168,17 @@ static void check_timeout(void)
        if (!io_timeout || ignore_timeout)
                return;
 
-       if (!last_io) {
-               last_io = time(NULL);
+       if (!last_io_in) {
+               last_io_in = time(NULL);
                return;
        }
 
        t = time(NULL);
 
-       if (t - last_io >= io_timeout) {
+       if (t - last_io_in >= io_timeout) {
                if (!am_server && !am_daemon) {
                        rprintf(FERROR, "io timeout after %d seconds -- exiting\n",
-                               (int)(t-last_io));
+                               (int)(t-last_io_in));
                }
                exit_cleanup(RERR_TIMEOUT);
        }
@@ -190,6 +192,18 @@ void io_set_sock_fds(int f_in, int f_out)
        sock_f_out = f_out;
 }
 
+void set_io_timeout(int secs)
+{
+       io_timeout = secs;
+
+       if (!io_timeout || io_timeout > SELECT_TIMEOUT)
+               select_timeout = SELECT_TIMEOUT;
+       else
+               select_timeout = io_timeout;
+
+       allowed_lull = read_batch ? 0 : (io_timeout + 1) / 2;
+}
+
 /* Setup the fd used to receive MSG_* messages.  Only needed during the
  * early stages of being a local sender (up through the sending of the
  * file list) or when we're the generator (to fetch the messages from
@@ -574,8 +588,8 @@ static int read_timeout(int fd, char *buf, size_t len)
                len -= n;
                ret += n;
 
-               if (fd == sock_f_in && (io_timeout || am_generator))
-                       last_io = time(NULL);
+               if (fd == sock_f_in && io_timeout)
+                       last_io_in = time(NULL);
        }
 
        return ret;
@@ -667,14 +681,14 @@ void io_end_buffering(void)
 
 void maybe_flush_socket(void)
 {
-       if (iobuf_out && iobuf_out_cnt && time(NULL) - last_io >= 5)
+       if (iobuf_out && iobuf_out_cnt && time(NULL) - last_io_out >= 5)
                io_flush(NORMAL_FLUSH);
 }
 
 
 void maybe_send_keepalive(void)
 {
-       if (time(NULL) - last_io >= allowed_lull) {
+       if (time(NULL) - last_io_out >= allowed_lull) {
                if (!iobuf_out || !iobuf_out_cnt) {
                        if (protocol_version < 29)
                                return; /* there's nothing we can do */
@@ -1077,7 +1091,7 @@ static void writefd_unbuffered(int fd,char *buf,size_t len)
                        /* If the other side is sending us error messages, try
                         * to grab any messages they sent before they died. */
                        while (fd == sock_f_out && io_multiplexing_in) {
-                               io_timeout = select_timeout = 30;
+                               set_io_timeout(30);
                                ignore_timeout = 0;
                                readfd_unbuffered(sock_f_in, io_filesfrom_buf,
                                                  sizeof io_filesfrom_buf);
@@ -1089,7 +1103,7 @@ static void writefd_unbuffered(int fd,char *buf,size_t len)
 
                if (fd == sock_f_out) {
                        if (io_timeout || am_generator)
-                               last_io = time(NULL);
+                               last_io_out = time(NULL);
                        sleep_for_bwlimit(ret);
                }
        }