From feaaf9358a0bd619ef77dca732aa08e21f5c1a56 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= Date: Tue, 10 Dec 2013 06:17:01 -0500 Subject: [PATCH] journald: malloc less when streaming messages --- src/journal/journald-stream.c | 23 ++++++++++++----------- src/journal/journald-syslog.c | 4 ++-- src/journal/journald-syslog.h | 2 +- 3 files changed, 15 insertions(+), 14 deletions(-) diff --git a/src/journal/journald-stream.c b/src/journal/journald-stream.c index 771a2bd..aae381b 100644 --- a/src/journal/journald-stream.c +++ b/src/journal/journald-stream.c @@ -75,9 +75,11 @@ struct StdoutStream { static int stdout_stream_log(StdoutStream *s, const char *p) { struct iovec iovec[N_IOVEC_META_FIELDS + 5]; - _cleanup_free_ char *message = NULL, *syslog_priority = NULL, *syslog_facility = NULL, *syslog_identifier = NULL; - unsigned n = 0; int priority; + char syslog_priority[] = "PRIORITY=\0"; + char syslog_facility[sizeof("SYSLOG_FACILITY=") + DECIMAL_STR_MAX(priority)]; + _cleanup_free_ char *message = NULL, *syslog_identifier = NULL; + unsigned n = 0; char *label = NULL; size_t label_len = 0; @@ -90,7 +92,7 @@ static int stdout_stream_log(StdoutStream *s, const char *p) { priority = s->priority; if (s->level_prefix) - syslog_parse_priority((char**) &p, &priority, false); + syslog_parse_priority(&p, &priority, false); if (s->forward_to_syslog || s->server->forward_to_syslog) server_forward_syslog(s->server, syslog_fixup_facility(priority), s->identifier, p, &s->ucred, NULL); @@ -103,12 +105,13 @@ static int stdout_stream_log(StdoutStream *s, const char *p) { IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=stdout"); - if (asprintf(&syslog_priority, "PRIORITY=%i", priority & LOG_PRIMASK) >= 0) - IOVEC_SET_STRING(iovec[n++], syslog_priority); + syslog_priority[strlen("PRIORITY=")] = '0' + LOG_PRI(priority); + IOVEC_SET_STRING(iovec[n++], syslog_priority); - if (priority & LOG_FACMASK) - if (asprintf(&syslog_facility, "SYSLOG_FACILITY=%i", LOG_FAC(priority)) >= 0) - IOVEC_SET_STRING(iovec[n++], syslog_facility); + if (priority & LOG_FACMASK) { + snprintf(syslog_facility, sizeof(syslog_facility), "SYSLOG_FACILITY=%i", LOG_FAC(priority)); + IOVEC_SET_STRING(iovec[n++], syslog_facility); + } if (s->identifier) { syslog_identifier = strappend("SYSLOG_IDENTIFIER=", s->identifier); @@ -408,7 +411,7 @@ fail: int server_open_stdout_socket(Server *s) { int r; - struct epoll_event ev; + struct epoll_event ev = { .events = EPOLLIN }; assert(s); @@ -441,8 +444,6 @@ int server_open_stdout_socket(Server *s) { } else fd_nonblock(s->stdout_fd, 1); - zero(ev); - ev.events = EPOLLIN; ev.data.fd = s->stdout_fd; if (epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, s->stdout_fd, &ev) < 0) { log_error("Failed to add stdout server fd to epoll object: %m"); diff --git a/src/journal/journald-syslog.c b/src/journal/journald-syslog.c index c2770a5..5d9b665 100644 --- a/src/journal/journald-syslog.c +++ b/src/journal/journald-syslog.c @@ -236,7 +236,7 @@ size_t syslog_parse_identifier(const char **buf, char **identifier, char **pid) return e; } -void syslog_parse_priority(char **p, int *priority, bool with_facility) { +void syslog_parse_priority(const char **p, int *priority, bool with_facility) { int a = 0, b = 0, c = 0; int k; @@ -365,7 +365,7 @@ void server_process_syslog_message( assert(buf); orig = buf; - syslog_parse_priority((char**) &buf, &priority, true); + syslog_parse_priority(&buf, &priority, true); if (s->forward_to_syslog) forward_syslog_raw(s, priority, orig, ucred, tv); diff --git a/src/journal/journald-syslog.h b/src/journal/journald-syslog.h index 8ccdb77..057ea79 100644 --- a/src/journal/journald-syslog.h +++ b/src/journal/journald-syslog.h @@ -25,7 +25,7 @@ int syslog_fixup_facility(int priority) _const_; -void syslog_parse_priority(char **p, int *priority, bool with_facility); +void syslog_parse_priority(const char **p, int *priority, bool with_facility); size_t syslog_parse_identifier(const char **buf, char **identifier, char **pid); void server_forward_syslog(Server *s, int priority, const char *identifier, const char *message, struct ucred *ucred, struct timeval *tv);