When running more than one collies in the same machine, it is confusing to send all the output to the syslog. You can specify the output file with -o option. $ collie -o /tmp/sdog /store (log messages are sent to /tmp/sdog) $ script/start-sheepdog -n=3 -o=/tmp/sdog- -d=/store (log messages are sent to /tmp/sdog-0, /tmp/sdog-1, and /tmp/sdog-2) Signed-off-by: MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp> --- collie/collie.c | 14 ++++++++++++-- include/logger.h | 3 ++- lib/logger.c | 21 +++++++++++++++++---- script/start-sheepdog | 15 +++++++++++---- 4 files changed, 42 insertions(+), 11 deletions(-) diff --git a/collie/collie.c b/collie/collie.c index 8367487..0acc2d2 100644 --- a/collie/collie.c +++ b/collie/collie.c @@ -25,12 +25,13 @@ static struct option const long_options[] = { {"port", required_argument, 0, 'p'}, {"foreground", no_argument, 0, 'f'}, {"loglevel", required_argument, 0, 'l'}, + {"outfile", required_argument, 0, 'o'}, {"debug", no_argument, 0, 'd'}, {"help", no_argument, 0, 'h'}, {0, 0, 0, 0}, }; -static char *short_options = "p:fl:dh"; +static char *short_options = "p:fl:o:dh"; static void usage(int status) { @@ -44,6 +45,7 @@ Sheepdog Daemon, version %s\n\ -p, --port specify the listen port number\n\ -f, --foreground make the program run in the foreground\n\ -l, --loglevel specify the message level printed by default\n\ + -o, --outfile location for output (defaults to the system log)\n\ -d, --debug print debug messages\n\ -h, --help display this help and exit\n\ ", SD_VERSION); @@ -60,6 +62,7 @@ int main(int argc, char **argv) char *dir = DEFAULT_OBJECT_DIR; int is_daemon = 1; int log_level = LOG_INFO; + char *out_file = NULL; while ((ch = getopt_long(argc, argv, short_options, long_options, &longindex)) >= 0) { @@ -72,6 +75,12 @@ int main(int argc, char **argv) break; case 'l': log_level = atoi(optarg); + break; + case 'o': + out_file = optarg; + if (strcmp(out_file, "syslog") == 0) + out_file = NULL; + break; case 'd': /* removed soon. use loglevel instead */ log_level = LOG_DEBUG; @@ -88,7 +97,8 @@ int main(int argc, char **argv) if (optind != argc) dir = argv[optind]; - ret = log_init(program_name, LOG_SPACE_SIZE, is_daemon, log_level); + ret = log_init(program_name, LOG_SPACE_SIZE, is_daemon, log_level, + out_file); if (ret) exit(1); diff --git a/include/logger.h b/include/logger.h index 7fa4cf1..6b4a399 100644 --- a/include/logger.h +++ b/include/logger.h @@ -55,9 +55,10 @@ struct logarea { char *buff; int semid; union semun semarg; + int fd; }; -extern int log_init(char * progname, int size, int daemon, int level); +extern int log_init(char * progname, int size, int daemon, int level, char *outfile); extern void log_close (void); extern void dump_logmsg (void *); extern void log_write(int prio, const char *func, int line, const char *fmt, ...) diff --git a/lib/logger.c b/lib/logger.c index 41dc0af..bd0e8e2 100644 --- a/lib/logger.c +++ b/lib/logger.c @@ -132,6 +132,8 @@ static int logarea_init (int size) static void free_logarea (void) { + if (la->fd >= 0) + close(la->fd); semctl(la->semid, 0, IPC_RMID, la->semarg); shmdt(la->buff); shmdt(la->start); @@ -260,7 +262,10 @@ static void log_syslog (void * buff) { struct logmsg * msg = (struct logmsg *)buff; - syslog(msg->prio, "%s", (char *)&msg->str); + if (la->fd >= 0) + write(la->fd, (char *)&msg->str, strlen((char *)&msg->str)); + else + syslog(msg->prio, "%s", (char *)&msg->str); } static void dolog(int prio, const char *func, int line, const char *fmt, va_list ap) @@ -342,7 +347,7 @@ static void log_flush(void) } } -int log_init(char *program_name, int size, int daemon, int level) +int log_init(char *program_name, int size, int daemon, int level, char *outfile) { log_level = level; @@ -356,8 +361,15 @@ int log_init(char *program_name, int size, int daemon, int level) struct sigaction sa_new; int fd; - openlog(log_name, 0, LOG_DAEMON); - setlogmask (LOG_UPTO (LOG_DEBUG)); + if (outfile) { + fd = open(outfile, O_CREAT | O_RDWR, 0644); + if (fd < 0) + syslog(LOG_ERR, "failed to open %s\n", outfile); + } else { + fd = -1; + openlog(log_name, 0, LOG_DAEMON); + setlogmask (LOG_UPTO (LOG_DEBUG)); + } if (logarea_init(size)) { syslog(LOG_ERR, "failed to initialize the logger\n"); @@ -365,6 +377,7 @@ int log_init(char *program_name, int size, int daemon, int level) } la->active = 1; + la->fd = fd; pid = fork(); if (pid < 0) { syslog(LOG_ERR, "fail to fork the logger\n"); diff --git a/script/start-sheepdog b/script/start-sheepdog index 8f4b09a..c527288 100755 --- a/script/start-sheepdog +++ b/script/start-sheepdog @@ -8,6 +8,8 @@ $port = 7000; $nr = 1; @hosts = (); $home = "."; +$outfile_prefix = ""; +$outfile = "syslog"; $dir = "/tmp/".rand(100); @@ -18,6 +20,8 @@ while (@ARGV && $ARGV[0] =~ m/^-/) { $nr = $1; } elsif (m/^-d=(.*)$/) { $dir = $1; + } elsif (m/^-o=(.*)$/) { + $outfile_prefix = $1; } elsif (m/^-h=(.*)$/) { @hosts = &expand(split ':', $1); } elsif (m/^-H=(.*)$/) { @@ -36,12 +40,15 @@ foreach $host (grep {!$count{$_}++} @hosts) { for ($i = 0; $i < $nr; $i++, $port++) { $_dir = $dir.$i; + if ($outfile_prefix) { + $outfile = $outfile_prefix.$i; + } if ($hosts[$i]) { - print("ssh $hosts[$i] $home/collie/collie --port $port $_dir -d\n"); - system("ssh $hosts[$i] $home/collie/collie --port $port $_dir -d"); + print("ssh $hosts[$i] $home/collie/collie --port $port $_dir -d -o $outfile\n"); + system("ssh $hosts[$i] $home/collie/collie --port $port $_dir -d -o $outfile"); } else { - print("$home/collie/collie --port $port $_dir -d\n"); - system("$home/collie/collie --port $port $_dir -d"); + print("$home/collie/collie --port $port $_dir -d -o $outfile\n"); + system("$home/collie/collie --port $port $_dir -d -o $outfile"); } } -- 1.5.6.5 |