X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/8e6b4ddbe8c4811b443d5463d54f2bf20eeef896..9270e88d76d3ea9e94d48977fbea57b997545577:/io.c

diff --git a/io.c b/io.c
index b1748628..b5fd3776 100644
--- a/io.c
+++ b/io.c
@@ -76,6 +76,9 @@ int kluge_around_eof = 0;
 int sock_f_in = -1;
 int sock_f_out = -1;
 
+int64 total_data_read = 0;
+int64 total_data_written = 0;
+
 static struct {
 	xbuf in, out, msg;
 	int in_fd;
@@ -749,7 +752,7 @@ static char *perform_io(size_t needed, int flags)
 					/* Don't write errors on a dead socket. */
 					msgs2stderr = 1;
 					out->len = iobuf.raw_flushing_ends_before = out->pos = 0;
-					rsyserr(FERROR_SOCKET, errno, "write error");
+					rsyserr(FERROR_SOCKET, errno, "[%s] write error", who_am_i());
 					exit_cleanup(RERR_STREAMIO);
 				}
 			}
@@ -799,6 +802,17 @@ static char *perform_io(size_t needed, int flags)
 	return data;
 }
 
+void noop_io_until_death(void)
+{
+	char buf[1024];
+
+	kluge_around_eof = 1;
+	set_io_timeout(10);
+
+	while (1)
+		read_buf(iobuf.in_fd, buf, sizeof buf);
+}
+
 /* Buffer a message for the multiplexed output stream.  Is never used for MSG_DATA. */
 int send_msg(enum msgcode code, const char *buf, size_t len, int convert)
 {
@@ -1261,7 +1275,7 @@ void stop_flist_forward(void)
 static void read_a_msg(void)
 {
 	char *data, line[BIGPATHBUFLEN];
-	int tag;
+	int tag, val;
 	size_t msg_bytes;
 
 	data = perform_io(4, PIO_INPUT_AND_CONSUME);
@@ -1303,6 +1317,17 @@ static void read_a_msg(void)
 		if (!am_generator)
 			send_msg(MSG_IO_ERROR, data, 4, 0);
 		break;
+	case MSG_IO_TIMEOUT:
+		if (msg_bytes != 4 || am_server || am_generator)
+			goto invalid_msg;
+		data = perform_io(4, PIO_INPUT_AND_CONSUME);
+		val = IVAL(data, 0);
+		if (!io_timeout || io_timeout > val) {
+			if (INFO_GTE(MISC, 2))
+				rprintf(FINFO, "Setting --timeout=%d to match server\n", val);
+			set_io_timeout(val);
+		}
+		break;
 	case MSG_NOOP:
 		if (am_sender)
 			maybe_send_keepalive();
@@ -1412,6 +1437,16 @@ static void read_a_msg(void)
 			first_message = 0;
 		}
 		break;
+	case MSG_ERROR_EXIT:
+		if (msg_bytes != 4)
+			goto invalid_msg;
+		data = perform_io(4, PIO_INPUT_AND_CONSUME);
+		val = IVAL(data, 0);
+		if (am_generator && protocol_version >= 31)
+			send_msg_int(MSG_ERROR_EXIT, val);
+		if (am_generator)
+			val = RERR_RCVR_ERROR; /* avoids duplicate errors */
+		exit_cleanup(val);
 	default:
 		rprintf(FERROR, "unexpected tag %d [%s%s]\n",
 			tag, who_am_i(), inc_recurse ? "/inc" : "");
@@ -1578,6 +1613,7 @@ void read_buf(int f, char *buf, size_t len)
 
 	if (!IN_MULTIPLEXED) {
 		memcpy(buf, perform_io(len, PIO_INPUT_AND_CONSUME), len);
+		total_data_read += len;
 		if (forward_flist_data)
 			write_buf(iobuf.out_fd, buf, len);
 	  batch_copy:
@@ -1601,6 +1637,7 @@ void read_buf(int f, char *buf, size_t len)
 		/* The bytes at the "data" pointer will survive long
 		 * enough to make a copy, but not past future I/O. */
 		memcpy(buf, data, siz);
+		total_data_read += siz;
 
 		if (forward_flist_data)
 			write_buf(iobuf.out_fd, buf, siz);
@@ -1873,6 +1910,7 @@ void write_buf(int f, const char *buf, size_t len)
 		memcpy(iobuf.out.buf + pos, buf, len);
 
 	iobuf.out.len += len;
+	total_data_written += len;
 
   batch_copy:
 	if (f == write_batch_monitor_out)