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-rw-r--r--src/vty/logging_vty.c201
1 files changed, 113 insertions, 88 deletions
diff --git a/src/vty/logging_vty.c b/src/vty/logging_vty.c
index d639a8f7..88ee330a 100644
--- a/src/vty/logging_vty.c
+++ b/src/vty/logging_vty.c
@@ -101,6 +101,25 @@ struct log_target *log_target_create_vty(struct vty *vty)
return target;
}
+/*! Get tgt with log lock acquired, return and release lock with warning if tgt
+ * is not found. Lock must be released later with log_tgt_mutex_unlock().
+ */
+#define ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt) \
+ do { \
+ log_tgt_mutex_lock(); \
+ tgt = osmo_log_vty2tgt(vty); \
+ if (!(tgt)) { \
+ log_tgt_mutex_unlock(); \
+ return CMD_WARNING; \
+ } \
+ } while (0)
+
+#define RET_WITH_UNLOCK(ret) \
+ do { \
+ log_tgt_mutex_unlock(); \
+ return (ret); \
+ } while (0)
+
DEFUN(enable_logging,
enable_logging_cmd,
"logging enable",
@@ -118,11 +137,16 @@ DEFUN(enable_logging,
conn->dbg = log_target_create_vty(vty);
if (!conn->dbg)
return CMD_WARNING;
-
+ log_tgt_mutex_lock();
log_add_target(conn->dbg);
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
+/*! Get log target associated to VTY console.
+ * \param[in] vty Log target type
+ * \returns Log target (if logging enabled), NULL otherwise
+ * Must be called with mutex osmo_log_tgt_mutex held, see log_tgt_mutex_lock.
+ */
struct log_target *osmo_log_vty2tgt(struct vty *vty)
{
struct telnet_connection *conn;
@@ -146,13 +170,12 @@ DEFUN(logging_fltr_all,
"Only print messages matched by other filters\n"
"Bypass filter and print all messages\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_set_all_filter(tgt, atoi(argv[0]));
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(logging_use_clr,
@@ -162,13 +185,12 @@ DEFUN(logging_use_clr,
"Don't use color for printing messages\n"
"Use color for printing messages\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_set_use_color(tgt, atoi(argv[0]));
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(logging_prnt_timestamp,
@@ -178,13 +200,12 @@ DEFUN(logging_prnt_timestamp,
"Don't prefix each log message\n"
"Prefix each log message with current timestamp\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_set_print_timestamp(tgt, atoi(argv[0]));
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(logging_prnt_ext_timestamp,
@@ -195,13 +216,12 @@ DEFUN(logging_prnt_ext_timestamp,
"Don't prefix each log message\n"
"Prefix each log message with current timestamp with YYYYMMDDhhmmssnnn\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_set_print_extended_timestamp(tgt, atoi(argv[0]));
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(logging_prnt_cat,
@@ -212,13 +232,11 @@ DEFUN(logging_prnt_cat,
"Don't prefix each log message\n"
"Prefix each log message with category/subsystem name\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
-
- if (!tgt)
- return CMD_WARNING;
+ struct log_target *tgt;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_set_print_category(tgt, atoi(argv[0]));
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(logging_prnt_cat_hex,
@@ -229,13 +247,12 @@ DEFUN(logging_prnt_cat_hex,
"Don't prefix each log message\n"
"Prefix each log message with category/subsystem nr in hex ('<000b>')\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_set_print_category_hex(tgt, atoi(argv[0]));
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(logging_prnt_level,
@@ -246,13 +263,12 @@ DEFUN(logging_prnt_level,
"Don't prefix each log message\n"
"Prefix each log message with the log level name\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_set_print_level(tgt, atoi(argv[0]));
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
static const struct value_string logging_print_file_args[] = {
@@ -273,17 +289,16 @@ DEFUN(logging_prnt_file,
"Log source file info at the end of a log line. If omitted, log source file info just"
" before the log text.\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_set_print_filename2(tgt, get_string_value(logging_print_file_args, argv[0]));
if (argc > 1)
log_set_print_filename_pos(tgt, LOG_FILENAME_POS_LINE_END);
else
log_set_print_filename_pos(tgt, LOG_FILENAME_POS_HEADER_END);
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
static void add_category_strings(char **cmd_str_p, char **doc_str_p,
@@ -332,27 +347,26 @@ DEFUN(logging_level,
NULL, /* cmdstr is dynamically set in logging_vty_add_cmds(). */
NULL) /* same thing for helpstr. */
{
+ struct log_target *tgt;
int category = log_parse_category(argv[0]);
int level = log_parse_level(argv[1]);
- struct log_target *tgt = osmo_log_vty2tgt(vty);
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
if (level < 0) {
vty_out(vty, "Invalid level `%s'%s", argv[1], VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
if (category < 0) {
vty_out(vty, "Invalid category `%s'%s", argv[0], VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
tgt->categories[category].enabled = 1;
tgt->categories[category].loglevel = level;
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(logging_level_set_all, logging_level_set_all_cmd,
@@ -362,12 +376,11 @@ DEFUN(logging_level_set_all, logging_level_set_all_cmd,
" to take back these changes -- each category is set to the given level, period.\n"
LOG_LEVEL_STRS)
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
int level = log_parse_level(argv[0]);
int i;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
for (i = 0; i < osmo_log_info->num_cat; i++) {
struct log_category *cat = &tgt->categories[i];
@@ -378,7 +391,7 @@ DEFUN(logging_level_set_all, logging_level_set_all_cmd,
cat->enabled = 1;
cat->loglevel = level;
}
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
/* logging level (<categories>) everything */
@@ -394,23 +407,25 @@ DEFUN(logging_level_force_all, logging_level_force_all_cmd,
"logging level force-all " LOG_LEVEL_ARGS,
LOGGING_STR LEVEL_STR FORCE_ALL_STR LOG_LEVEL_STRS)
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
int level = log_parse_level(argv[0]);
- if (!tgt)
- return CMD_WARNING;
+
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
+
log_set_log_level(tgt, level);
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(no_logging_level_force_all, no_logging_level_force_all_cmd,
"no logging level force-all",
NO_STR LOGGING_STR LEVEL_STR NO_FORCE_ALL_STR)
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
- if (!tgt)
- return CMD_WARNING;
+ struct log_target *tgt;
+
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
+
log_set_log_level(tgt, 0);
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
/* 'logging level all (debug|...|fatal)' */
@@ -438,13 +453,12 @@ DEFUN(logging_set_category_mask,
" " OSMO_STRINGIFY(LOGL_FATAL) "=" OSMO_STRINGIFY_VAL(LOGL_FATAL)
"\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_parse_category_mask(tgt, argv[0]);
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
ALIAS_DEPRECATED(logging_set_category_mask,
@@ -462,17 +476,16 @@ DEFUN(diable_logging,
LOGGING_STR
"Disables logging to this vty\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
struct telnet_connection *conn = (struct telnet_connection *) vty->priv;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
log_del_target(tgt);
talloc_free(tgt);
conn->dbg = NULL;
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
static void vty_print_logtarget(struct vty *vty, const struct log_info *info,
@@ -517,14 +530,12 @@ DEFUN(show_logging_vty,
SHOW_STR SHOW_LOG_STR
"Show current logging configuration for this vty\n")
{
- struct log_target *tgt = osmo_log_vty2tgt(vty);
+ struct log_target *tgt;
- if (!tgt)
- return CMD_WARNING;
+ ACQUIRE_VTY_LOG_TGT_WITH_LOCK(vty, tgt);
vty_print_logtarget(vty, osmo_log_info, tgt);
-
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(show_alarms,
@@ -535,11 +546,14 @@ DEFUN(show_alarms,
{
int i, num_alarms;
struct osmo_strrb *rb;
- struct log_target *tgt = log_target_find(LOG_TGT_TYPE_STRRB, NULL);
+ struct log_target *tgt;
+
+ log_tgt_mutex_lock();
+ tgt = log_target_find(LOG_TGT_TYPE_STRRB, NULL);
if (!tgt) {
vty_out(vty, "%% No alarms, run 'log alarms <2-32700>'%s",
VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
rb = tgt->tgt_rb.rb;
@@ -550,8 +564,7 @@ DEFUN(show_alarms,
for (i = 0; i < num_alarms; i++)
vty_out(vty, "%% %s%s", osmo_strrb_get_nth(rb, i),
VTY_NEWLINE);
-
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
gDEFUN(cfg_description, cfg_description_cmd,
@@ -625,6 +638,7 @@ static int _cfg_log_syslog(struct vty *vty, int facility)
{
struct log_target *tgt;
+ log_tgt_mutex_lock();
/* First delete the old syslog target, if any */
tgt = log_target_find(LOG_TGT_TYPE_SYSLOG, NULL);
if (tgt)
@@ -633,14 +647,14 @@ static int _cfg_log_syslog(struct vty *vty, int facility)
tgt = log_target_create_syslog(host.app_info->name, 0, facility);
if (!tgt) {
vty_out(vty, "%% Unable to open syslog%s", VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
log_add_target(tgt);
vty->index = tgt;
vty->node = CFG_LOG_NODE;
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(cfg_log_syslog_local, cfg_log_syslog_local_cmd,
@@ -700,16 +714,17 @@ DEFUN(cfg_no_log_syslog, cfg_no_log_syslog_cmd,
{
struct log_target *tgt;
+ log_tgt_mutex_lock();
tgt = log_target_find(LOG_TGT_TYPE_SYSLOG, NULL);
if (!tgt) {
vty_out(vty, "%% No syslog target found%s",
VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
log_target_destroy(tgt);
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
#endif /* HAVE_SYSLOG_H */
@@ -721,6 +736,7 @@ DEFUN(cfg_log_gsmtap, cfg_log_gsmtap_cmd,
const char *hostname = argc ? argv[0] : "127.0.0.1";
struct log_target *tgt;
+ log_tgt_mutex_lock();
tgt = log_target_find(LOG_TGT_TYPE_GSMTAP, hostname);
if (!tgt) {
tgt = log_target_create_gsmtap(hostname, GSMTAP_UDP_PORT,
@@ -729,7 +745,7 @@ DEFUN(cfg_log_gsmtap, cfg_log_gsmtap_cmd,
if (!tgt) {
vty_out(vty, "%% Unable to create GSMTAP log for %s%s",
hostname, VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
log_add_target(tgt);
}
@@ -737,7 +753,7 @@ DEFUN(cfg_log_gsmtap, cfg_log_gsmtap_cmd,
vty->index = tgt;
vty->node = CFG_LOG_NODE;
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(cfg_log_stderr, cfg_log_stderr_cmd,
@@ -746,13 +762,14 @@ DEFUN(cfg_log_stderr, cfg_log_stderr_cmd,
{
struct log_target *tgt;
+ log_tgt_mutex_lock();
tgt = log_target_find(LOG_TGT_TYPE_STDERR, NULL);
if (!tgt) {
tgt = log_target_create_stderr();
if (!tgt) {
vty_out(vty, "%% Unable to create stderr log%s",
VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
log_add_target(tgt);
}
@@ -760,7 +777,7 @@ DEFUN(cfg_log_stderr, cfg_log_stderr_cmd,
vty->index = tgt;
vty->node = CFG_LOG_NODE;
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(cfg_no_log_stderr, cfg_no_log_stderr_cmd,
@@ -769,15 +786,16 @@ DEFUN(cfg_no_log_stderr, cfg_no_log_stderr_cmd,
{
struct log_target *tgt;
+ log_tgt_mutex_lock();
tgt = log_target_find(LOG_TGT_TYPE_STDERR, NULL);
if (!tgt) {
vty_out(vty, "%% No stderr logging active%s", VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
log_target_destroy(tgt);
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(cfg_log_file, cfg_log_file_cmd,
@@ -787,13 +805,14 @@ DEFUN(cfg_log_file, cfg_log_file_cmd,
const char *fname = argv[0];
struct log_target *tgt;
+ log_tgt_mutex_lock();
tgt = log_target_find(LOG_TGT_TYPE_FILE, fname);
if (!tgt) {
tgt = log_target_create_file(fname);
if (!tgt) {
vty_out(vty, "%% Unable to create file `%s'%s",
fname, VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
log_add_target(tgt);
}
@@ -801,7 +820,7 @@ DEFUN(cfg_log_file, cfg_log_file_cmd,
vty->index = tgt;
vty->node = CFG_LOG_NODE;
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
@@ -812,16 +831,17 @@ DEFUN(cfg_no_log_file, cfg_no_log_file_cmd,
const char *fname = argv[0];
struct log_target *tgt;
+ log_tgt_mutex_lock();
tgt = log_target_find(LOG_TGT_TYPE_FILE, fname);
if (!tgt) {
vty_out(vty, "%% No such log file `%s'%s",
fname, VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
log_target_destroy(tgt);
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(cfg_log_alarms, cfg_log_alarms_cmd,
@@ -832,6 +852,8 @@ DEFUN(cfg_log_alarms, cfg_log_alarms_cmd,
struct log_target *tgt;
unsigned int rbsize = atoi(argv[0]);
+
+ log_tgt_mutex_lock();
tgt = log_target_find(LOG_TGT_TYPE_STRRB, NULL);
if (tgt)
log_target_destroy(tgt);
@@ -840,14 +862,14 @@ DEFUN(cfg_log_alarms, cfg_log_alarms_cmd,
if (!tgt) {
vty_out(vty, "%% Unable to create osmo_strrb (size %u)%s",
rbsize, VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
log_add_target(tgt);
vty->index = tgt;
vty->node = CFG_LOG_NODE;
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
DEFUN(cfg_no_log_alarms, cfg_no_log_alarms_cmd,
@@ -856,15 +878,16 @@ DEFUN(cfg_no_log_alarms, cfg_no_log_alarms_cmd,
{
struct log_target *tgt;
+ log_tgt_mutex_lock();
tgt = log_target_find(LOG_TGT_TYPE_STRRB, NULL);
if (!tgt) {
vty_out(vty, "%% No osmo_strrb target found%s", VTY_NEWLINE);
- return CMD_WARNING;
+ RET_WITH_UNLOCK(CMD_WARNING);
}
log_target_destroy(tgt);
- return CMD_SUCCESS;
+ RET_WITH_UNLOCK(CMD_SUCCESS);
}
static int config_write_log_single(struct vty *vty, struct log_target *tgt)
@@ -962,11 +985,13 @@ static int config_write_log_single(struct vty *vty, struct log_target *tgt)
static int config_write_log(struct vty *vty)
{
+ log_tgt_mutex_lock();
struct log_target *dbg = vty->index;
llist_for_each_entry(dbg, &osmo_log_target_list, entry)
config_write_log_single(vty, dbg);
+ log_tgt_mutex_unlock();
return 1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 08:21:12 +0000