void flux_vlog (flux_t *h, int level, const char *fmt, va_list ap)
{
logctx_t *ctx = getctx (h);
int saved_errno = errno;
uint32_t rank;
flux_rpc_t *rpc = NULL;
int n, len;
char timestamp[WALLCLOCK_MAXLEN];
char hostname[STDLOG_MAX_HOSTNAME + 1];
struct stdlog_header hdr;
stdlog_init (&hdr);
hdr.pri = STDLOG_PRI (level, LOG_USER);
if (wallclock_get_zulu (timestamp, sizeof (timestamp)) >= 0)
hdr.timestamp = timestamp;
if (flux_get_rank (h, &rank) == 0) {
snprintf (hostname, sizeof (hostname), "%" PRIu32, rank);
hdr.hostname = hostname;
}
hdr.appname = ctx->appname;
hdr.procid = ctx->procid;
len = stdlog_encode (ctx->buf, sizeof (ctx->buf), &hdr,
STDLOG_NILVALUE, "");
assert (len < sizeof (ctx->buf));
n = vsnprintf (ctx->buf + len, sizeof (ctx->buf) - len, fmt, ap);
if (n > sizeof (ctx->buf) - len) /* ignore truncation of message */
n = sizeof (ctx->buf) - len;
len += n;
if (ctx->cb) {
ctx->cb (ctx->buf, len, ctx->cb_arg);
} else {
if (!(rpc = flux_rpc_raw (h, "cmb.log", ctx->buf, len,
FLUX_NODEID_ANY, FLUX_RPC_NORESPONSE)))
goto done;
}
done:
flux_rpc_destroy (rpc);
errno = saved_errno;
}
int main(int argc, char *argv[])
{
char buf[40];
stdlog_channel_t ch;
stdlog_channel_t ch2;
if(argc != 2) {
fprintf(stderr, "Usage: tester channelspec\n");
exit(1);
}
stdlog_init(STDLOG_SIGSAFE);
ch = stdlog_open("tester", 0, STDLOG_LOCAL0, argv[1]);
ch2 = stdlog_open("tester", STDLOG_USE_DFLT_OPTS, STDLOG_LOCAL0, argv[1]);
stdlog_log(ch, STDLOG_DEBUG, "Test %10.6s, %u, %d, %c, %x, %p, %f",
"abc", 4712, -4712, 'T', 0x129abcf0, NULL, 12.0345);
stdlog_log_b(ch2, STDLOG_DEBUG, buf, sizeof(buf), "Test %100.50s, %u, %d, %c, %x, %p, %f",
"abc", 4712, -4712, 'T', 0x129abcf0, NULL, 12.03);
stdlog_deinit();
return 0;
}
