From 5690d37ddf6ac94f1ae4b9ee99153786e89aea8b Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 24 Apr 2018 20:17:47 -0700 Subject: [PATCH] eal: allow symbolic log levels Much easeier to remember names than numbers. Allows --log-level=pmd.net.ixgbe.*,debug Signed-off-by: Stephen Hemminger --- lib/librte_eal/common/eal_common_options.c | 67 ++++++++++++++++------ 1 file changed, 50 insertions(+), 17 deletions(-) diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c index 2d20ae76c3..bf4296b032 100644 --- a/lib/librte_eal/common/eal_common_options.c +++ b/lib/librte_eal/common/eal_common_options.c @@ -917,10 +917,49 @@ eal_parse_syslog(const char *facility, struct internal_config *conf) } static int -eal_parse_log_level(const char *arg) +eal_parse_log_priority(const char *level) { - char *end, *str, *type, *level; + static const char * const levels[] = { + [RTE_LOG_EMERG] = "emergency", + [RTE_LOG_ALERT] = "alert", + [RTE_LOG_CRIT] = "critical", + [RTE_LOG_ERR] = "error", + [RTE_LOG_WARNING] = "warning", + [RTE_LOG_NOTICE] = "notice", + [RTE_LOG_INFO] = "info", + [RTE_LOG_DEBUG] = "debug", + }; + size_t len = strlen(level); unsigned long tmp; + char *end; + unsigned int i; + + if (len == 0) + return -1; + + /* look for named values, skip 0 which is not a valid level */ + for (i = 1; i < RTE_DIM(levels); i++) { + if (strncmp(levels[i], level, len) == 0) + return i; + } + + /* not a string, maybe it is numeric */ + errno = 0; + tmp = strtoul(level, &end, 0); + + /* check for errors */ + if (errno != 0 || end == NULL || *end != '\0' || + tmp >= UINT32_MAX) + return -1; + + return tmp; +} + +static int +eal_parse_log_level(const char *arg) +{ + char *str, *type, *level; + int priority; str = strdup(arg); if (str == NULL) @@ -934,23 +973,17 @@ eal_parse_log_level(const char *arg) level = strsep(&str, ","); } - errno = 0; - tmp = strtoul(level, &end, 0); - - /* check for errors */ - if ((errno != 0) || (level[0] == '\0') || - end == NULL || (*end != '\0')) - goto fail; - - /* log_level is a uint32_t */ - if (tmp >= UINT32_MAX) + priority = eal_parse_log_priority(level); + if (priority < 0) { + fprintf(stderr, "invalid log priority: %s\n", level); goto fail; + } if (type == NULL) { - rte_log_set_global_level(tmp); - } else if (rte_log_set_level_regexp(type, tmp) < 0) { - printf("cannot set log level %s,%lu\n", - type, tmp); + rte_log_set_global_level(priority); + } else if (rte_log_set_level_regexp(type, priority) < 0) { + fprintf(stderr, "cannot set log level %s,%d\n", + type, priority); goto fail; } else { struct rte_eal_opt_loglevel *opt_ll; @@ -972,7 +1005,7 @@ eal_parse_log_level(const char *arg) goto fail; } - opt_ll->level = tmp; + opt_ll->level = priority; TAILQ_INSERT_HEAD(&opt_loglevel_list, opt_ll, next); } -- 2.20.1