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Togg writes:

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Syslogd wont start if remote-logging is enabled and the connection to the
remote-log server is not possible on syslogd startup.

I found a patch somewhere which works like a charm. It uses sendto() which
seems more reliable for this issue.

Please see attached patch. Many people will be more happy with this included
I think.

Regards,
Togg
This commit is contained in:
Eric Andersen 2004-08-26 23:15:29 +00:00
parent 138791050d
commit 75813eea23
1 changed files with 12 additions and 26 deletions
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38
sysklogd/syslogd.c
View File

@ -78,6 +78,8 @@ static char LocalHostName[64];
#include <netinet/in.h>
/* udp socket for logging to remote host */
static int remotefd = -1;
static struct sockaddr_in remoteaddr;
static int remoteaddrlen;
/* where do we log? */
static char *RemoteHost;
@ -384,6 +386,7 @@ static void logMessage(int pri, char *msg)
time_t now;
char *timestamp;
static char res[20] = "";
static char line[512];
CODE *c_pri, *c_fac;
if (pri != 0) {
@ -414,21 +417,15 @@ static void logMessage(int pri, char *msg)
#ifdef CONFIG_FEATURE_REMOTE_LOG
/* send message to remote logger */
if (-1 != remotefd) {
static const int IOV_COUNT = 2;
struct iovec iov[IOV_COUNT];
struct iovec *v = iov;
memset(&res, 0, sizeof(res));
snprintf(res, sizeof(res), "<%d>", pri);
v->iov_base = res;
v->iov_len = strlen(res);
v++;
memset(&line, 0, sizeof(line));
snprintf(line, sizeof(line), "<%d> <%s>", pri, msg);
v->iov_base = msg;
v->iov_len = strlen(msg);
writev_retry:
if ((-1 == writev(remotefd, iov, IOV_COUNT)) && (errno == EINTR)) {
goto writev_retry;
retry:
if(( -1 == sendto(remotefd, line, strlen(line), 0,
(struct sockaddr *) &remoteaddr,
remoteaddrlen)) && (errno == EINTR)) {
goto retry;
}
}
if (local_logging == TRUE)
@ -508,12 +505,10 @@ static int serveConnection(char *tmpbuf, int n_read)
#ifdef CONFIG_FEATURE_REMOTE_LOG
static void init_RemoteLog(void)
{
struct sockaddr_in remoteaddr;
struct hostent *hostinfo;
int len = sizeof(remoteaddr);
remoteaddrlen = sizeof(remoteaddr);
memset(&remoteaddr, 0, len);
memset(&remoteaddr, 0, remoteaddrlen);
remotefd = socket(AF_INET, SOCK_DGRAM, 0);
@ -526,15 +521,6 @@ static void init_RemoteLog(void)
remoteaddr.sin_family = AF_INET;
remoteaddr.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list;
remoteaddr.sin_port = htons(RemotePort);
/* Since we are using UDP sockets, connect just sets the default host and port
* for future operations
*/
if (0 != (connect(remotefd, (struct sockaddr *) &remoteaddr, len))) {
bb_error_msg_and_die("cannot connect to remote host %s:%d", RemoteHost,
RemotePort);
}
}
#endif