From: Wayne Davison <wayned@samba.org>
Date: Thu, 15 Jan 2004 07:42:19 +0000 (+0000)
Subject: - Moved err_list* stuff to io.c and renamed them to msg_list*.
X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/commitdiff_plain/a644fc3cc40cb49296a078a7b55b146bf2871f9b

- Moved err_list* stuff to io.c and renamed them to msg_list*.
- Call the new send_msg() function to send a remote log message.
---

diff --git a/log.c b/log.c
index 2bb145a1..3f8fd53b 100644
--- a/log.c
+++ b/log.c
@@ -32,13 +32,13 @@ extern int am_server;
 extern int am_sender;
 extern int quiet;
 extern int module_id;
+extern int msg_fd_out;
 extern char *auth_user;
 extern char *log_format;
 
 static int log_initialised;
 static char *logfname;
 static FILE *logfile;
-static int log_error_fd = -1;
 struct stats stats;
 
 int log_got_error=0;
@@ -85,61 +85,6 @@ static char const *rerr_name(int code)
 	return NULL;
 }
 
-struct err_list {
-	struct err_list *next;
-	char *buf;
-	int len;
-	int written; /* how many bytes we have written so far */
-};
-
-static struct err_list *err_list_head;
-static struct err_list *err_list_tail;
-
-/* add an error message to the pending error list */
-static void err_list_add(int code, char *buf, int len)
-{
-	struct err_list *el;
-	el = new(struct err_list);
-	if (!el) exit_cleanup(RERR_MALLOC);
-	el->next = NULL;
-	el->buf = new_array(char, len+4);
-	if (!el->buf) exit_cleanup(RERR_MALLOC);
-	memcpy(el->buf+4, buf, len);
-	SIVAL(el->buf, 0, ((code+MPLEX_BASE)<<24) | len);
-	el->len = len+4;
-	el->written = 0;
-	if (err_list_tail) {
-		err_list_tail->next = el;
-	} else {
-		err_list_head = el;
-	}
-	err_list_tail = el;
-}
-
-
-/* try to push errors off the error list onto the wire */
-void err_list_push(void)
-{
-	if (log_error_fd == -1) return;
-
-	while (err_list_head) {
-		struct err_list *el = err_list_head;
-		int n = write(log_error_fd, el->buf+el->written, el->len - el->written);
-		/* don't check for an error if the best way of handling the error is
-		 * to ignore it */
-		if (n == -1) break;
-		if (n > 0) {
-			el->written += n;
-		}
-		if (el->written == el->len) {
-			free(el->buf);
-			err_list_head = el->next;
-			if (!err_list_head) err_list_tail = NULL;
-			free(el);
-		}
-	}
-}
-
 
 static void logit(int priority, char *buf)
 {
@@ -211,14 +156,6 @@ void log_close(void)
 	}
 }
 
-/* setup the error file descriptor - used when we are a server
- * that is receiving files */
-void set_error_fd(int fd)
-{
-	log_error_fd = fd;
-	set_nonblocking(log_error_fd);
-}
-
 /* this is the underlying (unformatted) rsync debugging function. Call
  * it with FINFO, FERROR or FLOG */
 void rwrite(enum logcode code, char *buf, int len)
@@ -226,9 +163,11 @@ void rwrite(enum logcode code, char *buf, int len)
 	FILE *f=NULL;
 	/* recursion can happen with certain fatal conditions */
 
-	if (quiet && code == FINFO) return;
+	if (quiet && code == FINFO)
+		return;
 
-	if (len < 0) exit_cleanup(RERR_MESSAGEIO);
+	if (len < 0)
+		exit_cleanup(RERR_MESSAGEIO);
 
 	buf[len] = 0;
 
@@ -237,17 +176,14 @@ void rwrite(enum logcode code, char *buf, int len)
 		return;
 	}
 
-	/* first try to pass it off to our sibling */
-	if (am_server && log_error_fd != -1) {
-		err_list_add(code, buf, len);
-		err_list_push();
-		return;
-	}
-
-	/* next, if we are a server and multiplexing is enabled,
-	 * pass it to the other side.  */
-	if (am_server && io_multiplex_write(code, buf, len)) {
-		return;
+	if (am_server) {
+		/* Pass it to non-server side, perhaps through our sibling. */
+		if (msg_fd_out >= 0) {
+			send_msg((enum msgcode)code, buf, len);
+			return;
+		}
+		if (io_multiplex_write((enum msgcode)code, buf, len))
+			return;
 	}
 
 	/* otherwise, if in daemon mode and either we are not a server