X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/9361f83933042cf3e73ad47a9c3bc00dbc79e8ea..32cbfe7b17ba8ec661fc27fd773909709d100e8a:/io.c

diff --git a/io.c b/io.c
index e5574025..035362e9 100644
--- 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) {
@@ -203,6 +204,10 @@ static void msg_list_add(int code, char *buf, int len)
 
 void send_msg(enum msgcode code, char *buf, int len)
 {
+	if (msg_fd_out < 0) {
+		io_multiplex_write(code, buf, len);
+		return;
+	}
 	msg_list_add(code, buf, len);
 	msg_list_push(NORMAL_FLUSH);
 }
@@ -244,6 +249,22 @@ static void read_msg_fd(void)
 		read_loop(fd, buf, 4);
 		redo_list_add(IVAL(buf,0));
 		break;
+	case MSG_DELETED:
+		if (len >= (int)sizeof buf || !am_generator) {
+			rprintf(FERROR, "invalid message %d:%d\n", tag, len);
+			exit_cleanup(RERR_STREAMIO);
+		}
+		read_loop(fd, buf, len);
+		io_multiplex_write(MSG_DELETED, buf, len);
+		break;
+	case MSG_SUCCESS:
+		if (len != 4 || !am_generator) {
+			rprintf(FERROR, "invalid message %d:%d\n", tag, len);
+			exit_cleanup(RERR_STREAMIO);
+		}
+		read_loop(fd, buf, len);
+		io_multiplex_write(MSG_SUCCESS, buf, len);
+		break;
 	case MSG_INFO:
 	case MSG_ERROR:
 	case MSG_LOG:
@@ -614,6 +635,21 @@ 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) {
+			if (protocol_version < 29)
+				return; /* there's nothing we can do */
+			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.
@@ -640,7 +676,7 @@ static int readfd_unbuffered(int fd, char *buf, size_t len)
 	static size_t remaining;
 	static size_t iobuf_in_ndx;
 	int tag, ret = 0;
-	char line[1024];
+	char line[MAXPATHLEN+1];
 
 	if (!iobuf_in || fd != sock_f_in)
 		return read_timeout(fd, buf, len);
@@ -677,6 +713,31 @@ static int readfd_unbuffered(int fd, char *buf, size_t len)
 			read_loop(fd, iobuf_in, remaining);
 			iobuf_in_ndx = 0;
 			break;
+		case MSG_DELETED:
+			if (remaining >= sizeof line) {
+				rprintf(FERROR, "invalid multi-message %d:%ld\n",
+					tag, (long)remaining);
+				exit_cleanup(RERR_STREAMIO);
+			}
+			read_loop(fd, line, remaining);
+			line[remaining] = '\0';
+			/* A directory name was sent with the trailing null */
+			if (remaining > 0 && !line[remaining-1])
+				log_delete(line, S_IFDIR);
+			else
+				log_delete(line, S_IFREG);
+			remaining = 0;
+			break;
+		case MSG_SUCCESS:
+			if (remaining != 4) {
+				rprintf(FERROR, "invalid multi-message %d:%ld\n",
+					tag, (long)remaining);
+				exit_cleanup(RERR_STREAMIO);
+			}
+			read_loop(fd, line, remaining);
+			successful_send(IVAL(line, 0));
+			remaining = 0;
+			break;
 		case MSG_INFO:
 		case MSG_ERROR:
 			if (remaining >= sizeof line) {
@@ -729,7 +790,7 @@ static void readfd(int fd, char *buffer, size_t N)
 }
 
 
-unsigned short read_short(int f)
+int read_shortint(int f)
 {
 	uchar b[2];
 	readfd(f, (char *)b, 2);
@@ -969,6 +1030,7 @@ 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);
 			}
@@ -1063,7 +1125,7 @@ static void writefd(int fd,char *buf,size_t len)
 }
 
 
-void write_short(int f, unsigned short x)
+void write_shortint(int f, int x)
 {
 	uchar b[2];
 	b[0] = x;