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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Fri, 24 Sep 2021 17:59:12 -0500
Subject: [PATCH] libmultipath: pass file and line number to keyword handlers
This will make it possible for the keyword handlers to print more useful
warning messages. It will be used by future patches.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
libmultipath/dict.c | 145 +++++++++++++++++++++++++-----------------
libmultipath/parser.c | 3 +-
libmultipath/parser.h | 2 +-
3 files changed, 91 insertions(+), 59 deletions(-)
diff --git a/libmultipath/dict.c b/libmultipath/dict.c
index 13698b76..a8872da7 100644
--- a/libmultipath/dict.c
+++ b/libmultipath/dict.c
@@ -28,7 +28,7 @@
#include "dict.h"
static int
-set_int(vector strvec, void *ptr)
+set_int(vector strvec, void *ptr, const char *file, int line_nr)
{
int *int_ptr = (int *)ptr;
char *buff, *eptr;
@@ -57,7 +57,7 @@ set_int(vector strvec, void *ptr)
}
static int
-set_uint(vector strvec, void *ptr)
+set_uint(vector strvec, void *ptr, const char *file, int line_nr)
{
unsigned int *uint_ptr = (unsigned int *)ptr;
char *buff, *eptr, *p;
@@ -89,7 +89,7 @@ set_uint(vector strvec, void *ptr)
}
static int
-set_str(vector strvec, void *ptr)
+set_str(vector strvec, void *ptr, const char *file, int line_nr)
{
char **str_ptr = (char **)ptr;
@@ -104,7 +104,7 @@ set_str(vector strvec, void *ptr)
}
static int
-set_regex(vector strvec, void *ptr)
+set_regex(vector strvec, void *ptr, const char *file, int line_nr)
{
char **str_ptr = (char **)ptr;
@@ -119,7 +119,7 @@ set_regex(vector strvec, void *ptr)
}
static int
-set_yes_no(vector strvec, void *ptr)
+set_yes_no(vector strvec, void *ptr, const char *file, int line_nr)
{
char * buff;
int *int_ptr = (int *)ptr;
@@ -138,7 +138,7 @@ set_yes_no(vector strvec, void *ptr)
}
static int
-set_yes_no_undef(vector strvec, void *ptr)
+set_yes_no_undef(vector strvec, void *ptr, const char *file, int line_nr)
{
char * buff;
int *int_ptr = (int *)ptr;
@@ -240,9 +240,10 @@ print_yes_no_undef (char *buff, int len, long v)
#define declare_def_handler(option, function) \
static int \
-def_ ## option ## _handler (struct config *conf, vector strvec) \
+def_ ## option ## _handler (struct config *conf, vector strvec, \
+ const char *file, int line_nr) \
{ \
- return function (strvec, &conf->option); \
+ return function (strvec, &conf->option, file, line_nr); \
}
#define declare_def_snprint(option, function) \
@@ -277,12 +278,13 @@ snprint_def_ ## option (struct config *conf, char * buff, int len, \
#define declare_hw_handler(option, function) \
static int \
-hw_ ## option ## _handler (struct config *conf, vector strvec) \
+hw_ ## option ## _handler (struct config *conf, vector strvec, \
+ const char *file, int line_nr) \
{ \
struct hwentry * hwe = VECTOR_LAST_SLOT(conf->hwtable); \
if (!hwe) \
return 1; \
- return function (strvec, &hwe->option); \
+ return function (strvec, &hwe->option, file, line_nr); \
}
#define declare_hw_snprint(option, function) \
@@ -296,11 +298,12 @@ snprint_hw_ ## option (struct config *conf, char * buff, int len, \
#define declare_ovr_handler(option, function) \
static int \
-ovr_ ## option ## _handler (struct config *conf, vector strvec) \
+ovr_ ## option ## _handler (struct config *conf, vector strvec, \
+ const char *file, int line_nr) \
{ \
if (!conf->overrides) \
return 1; \
- return function (strvec, &conf->overrides->option); \
+ return function (strvec, &conf->overrides->option, file, line_nr); \
}
#define declare_ovr_snprint(option, function) \
@@ -313,12 +316,13 @@ snprint_ovr_ ## option (struct config *conf, char * buff, int len, \
#define declare_mp_handler(option, function) \
static int \
-mp_ ## option ## _handler (struct config *conf, vector strvec) \
+mp_ ## option ## _handler (struct config *conf, vector strvec, \
+ const char *file, int line_nr) \
{ \
struct mpentry * mpe = VECTOR_LAST_SLOT(conf->mptable); \
if (!mpe) \
return 1; \
- return function (strvec, &mpe->option); \
+ return function (strvec, &mpe->option, file, line_nr); \
}
#define declare_mp_snprint(option, function) \
@@ -330,9 +334,10 @@ snprint_mp_ ## option (struct config *conf, char * buff, int len, \
return function (buff, len, mpe->option); \
}
-static int checkint_handler(struct config *conf, vector strvec)
+static int checkint_handler(struct config *conf, vector strvec,
+ const char *file, int line_nr)
{
- int rc = set_uint(strvec, &conf->checkint);
+ int rc = set_uint(strvec, &conf->checkint, file, line_nr);
if (rc)
return rc;
@@ -355,9 +360,10 @@ declare_def_snprint(reassign_maps, print_yes_no)
declare_def_handler(multipath_dir, set_str)
declare_def_snprint(multipath_dir, print_str)
-static int def_partition_delim_handler(struct config *conf, vector strvec)
+static int def_partition_delim_handler(struct config *conf, vector strvec,
+ const char *file, int line_nr)
{
- int rc = set_str(strvec, &conf->partition_delim);
+ int rc = set_str(strvec, &conf->partition_delim, file, line_nr);
if (rc != 0)
return rc;
@@ -387,13 +393,13 @@ static const char * const find_multipaths_optvals[] = {
};
static int
-def_find_multipaths_handler(struct config *conf, vector strvec)
+def_find_multipaths_handler(struct config *conf, vector strvec,
+ const char *file, int line_nr)
{
char *buff;
int i;
- if (set_yes_no_undef(strvec, &conf->find_multipaths) == 0 &&
- conf->find_multipaths != FIND_MULTIPATHS_UNDEF)
+ if (set_yes_no_undef(strvec, &conf->find_multipaths, file, line_nr) == 0 && conf->find_multipaths != FIND_MULTIPATHS_UNDEF)
return 0;
buff = set_value(strvec);
@@ -451,7 +457,8 @@ static int snprint_uid_attrs(struct config *conf, char *buff, int len,
return p - buff;
}
-static int uid_attrs_handler(struct config *conf, vector strvec)
+static int uid_attrs_handler(struct config *conf, vector strvec,
+ const char *file, int line_nr)
{
char *val;
@@ -644,7 +651,8 @@ declare_hw_handler(skip_kpartx, set_yes_no_undef)
declare_hw_snprint(skip_kpartx, print_yes_no_undef)
declare_mp_handler(skip_kpartx, set_yes_no_undef)
declare_mp_snprint(skip_kpartx, print_yes_no_undef)
-static int def_disable_changed_wwids_handler(struct config *conf, vector strvec)
+static int def_disable_changed_wwids_handler(struct config *conf, vector strvec,
+ const char *file, int line_nr)
{
return 0;
}
@@ -675,20 +683,23 @@ declare_def_snprint_defstr(enable_foreign, print_str,
DEFAULT_ENABLE_FOREIGN)
static int
-def_config_dir_handler(struct config *conf, vector strvec)
+def_config_dir_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
/* this is only valid in the main config file */
if (conf->processed_main_config)
return 0;
- return set_str(strvec, &conf->config_dir);
+ return set_str(strvec, &conf->config_dir, file, line_nr);
}
declare_def_snprint(config_dir, print_str)
#define declare_def_attr_handler(option, function) \
static int \
-def_ ## option ## _handler (struct config *conf, vector strvec) \
+def_ ## option ## _handler (struct config *conf, vector strvec, \
+ const char *file, int line_nr) \
{ \
- return function (strvec, &conf->option, &conf->attribute_flags);\
+ return function (strvec, &conf->option, &conf->attribute_flags, \
+ file, line_nr); \
}
#define declare_def_attr_snprint(option, function) \
@@ -702,12 +713,14 @@ snprint_def_ ## option (struct config *conf, char * buff, int len, \
#define declare_mp_attr_handler(option, function) \
static int \
-mp_ ## option ## _handler (struct config *conf, vector strvec) \
+mp_ ## option ## _handler (struct config *conf, vector strvec, \
+ const char *file, int line_nr) \
{ \
struct mpentry * mpe = VECTOR_LAST_SLOT(conf->mptable); \
if (!mpe) \
return 1; \
- return function (strvec, &mpe->option, &mpe->attribute_flags); \
+ return function (strvec, &mpe->option, &mpe->attribute_flags, \
+ file, line_nr); \
}
#define declare_mp_attr_snprint(option, function) \
@@ -721,7 +734,7 @@ snprint_mp_ ## option (struct config *conf, char * buff, int len, \
}
static int
-set_mode(vector strvec, void *ptr, int *flags)
+set_mode(vector strvec, void *ptr, int *flags, const char *file, int line_nr)
{
mode_t mode;
mode_t *mode_ptr = (mode_t *)ptr;
@@ -742,7 +755,7 @@ set_mode(vector strvec, void *ptr, int *flags)
}
static int
-set_uid(vector strvec, void *ptr, int *flags)
+set_uid(vector strvec, void *ptr, int *flags, const char *file, int line_nr)
{
uid_t uid;
uid_t *uid_ptr = (uid_t *)ptr;
@@ -767,7 +780,7 @@ set_uid(vector strvec, void *ptr, int *flags)
}
static int
-set_gid(vector strvec, void *ptr, int *flags)
+set_gid(vector strvec, void *ptr, int *flags, const char *file, int line_nr)
{
gid_t gid;
gid_t *gid_ptr = (gid_t *)ptr;
@@ -834,7 +847,7 @@ declare_mp_attr_handler(gid, set_gid)
declare_mp_attr_snprint(gid, print_gid)
static int
-set_undef_off_zero(vector strvec, void *ptr)
+set_undef_off_zero(vector strvec, void *ptr, const char *file, int line_nr)
{
char * buff;
int *int_ptr = (int *)ptr;
@@ -876,7 +889,7 @@ declare_hw_handler(fast_io_fail, set_undef_off_zero)
declare_hw_snprint(fast_io_fail, print_undef_off_zero)
static int
-set_dev_loss(vector strvec, void *ptr)
+set_dev_loss(vector strvec, void *ptr, const char *file, int line_nr)
{
char * buff;
unsigned int *uint_ptr = (unsigned int *)ptr;
@@ -919,7 +932,7 @@ declare_hw_handler(eh_deadline, set_undef_off_zero)
declare_hw_snprint(eh_deadline, print_undef_off_zero)
static int
-set_pgpolicy(vector strvec, void *ptr)
+set_pgpolicy(vector strvec, void *ptr, const char *file, int line_nr)
{
char * buff;
int *int_ptr = (int *)ptr;
@@ -985,7 +998,8 @@ get_sys_max_fds(int *max_fds)
static int
-max_fds_handler(struct config *conf, vector strvec)
+max_fds_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
char * buff;
int r = 0, max_fds;
@@ -1030,7 +1044,7 @@ snprint_max_fds (struct config *conf, char * buff, int len, const void * data)
}
static int
-set_rr_weight(vector strvec, void *ptr)
+set_rr_weight(vector strvec, void *ptr, const char *file, int line_nr)
{
int *int_ptr = (int *)ptr;
char * buff;
@@ -1074,7 +1088,7 @@ declare_mp_handler(rr_weight, set_rr_weight)
declare_mp_snprint(rr_weight, print_rr_weight)
static int
-set_pgfailback(vector strvec, void *ptr)
+set_pgfailback(vector strvec, void *ptr, const char *file, int line_nr)
{
int *int_ptr = (int *)ptr;
char * buff;
@@ -1124,7 +1138,7 @@ declare_mp_handler(pgfailback, set_pgfailback)
declare_mp_snprint(pgfailback, print_pgfailback)
static int
-no_path_retry_helper(vector strvec, void *ptr)
+no_path_retry_helper(vector strvec, void *ptr, const char *file, int line_nr)
{
int *int_ptr = (int *)ptr;
char * buff;
@@ -1169,7 +1183,8 @@ declare_mp_handler(no_path_retry, no_path_retry_helper)
declare_mp_snprint(no_path_retry, print_no_path_retry)
static int
-def_log_checker_err_handler(struct config *conf, vector strvec)
+def_log_checker_err_handler(struct config *conf, vector strvec,
+ const char *file, int line_nr)
{
char * buff;
@@ -1243,7 +1258,8 @@ print_reservation_key(char * buff, int len, struct be64 key, uint8_t flags,
}
static int
-def_reservation_key_handler(struct config *conf, vector strvec)
+def_reservation_key_handler(struct config *conf, vector strvec,
+ const char *file, int line_nr)
{
return set_reservation_key(strvec, &conf->reservation_key,
&conf->sa_flags,
@@ -1260,7 +1276,8 @@ snprint_def_reservation_key (struct config *conf, char * buff, int len,
}
static int
-mp_reservation_key_handler(struct config *conf, vector strvec)
+mp_reservation_key_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
struct mpentry * mpe = VECTOR_LAST_SLOT(conf->mptable);
if (!mpe)
@@ -1281,7 +1298,7 @@ snprint_mp_reservation_key (struct config *conf, char * buff, int len,
}
static int
-set_off_int_undef(vector strvec, void *ptr)
+set_off_int_undef(vector strvec, void *ptr, const char *file, int line_nr)
{
int *int_ptr = (int *)ptr;
char * buff;
@@ -1422,7 +1439,8 @@ declare_hw_snprint(recheck_wwid, print_yes_no_undef)
static int
-def_uxsock_timeout_handler(struct config *conf, vector strvec)
+def_uxsock_timeout_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
unsigned int uxsock_timeout;
char *buff;
@@ -1442,7 +1460,8 @@ def_uxsock_timeout_handler(struct config *conf, vector strvec)
}
static int
-hw_vpd_vendor_handler(struct config *conf, vector strvec)
+hw_vpd_vendor_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
int i;
char *buff;
@@ -1482,7 +1501,8 @@ snprint_hw_vpd_vendor(struct config *conf, char * buff, int len,
* blacklist block handlers
*/
static int
-blacklist_handler(struct config *conf, vector strvec)
+blacklist_handler(struct config *conf, vector strvec, const char*file,
+ int line_nr)
{
if (!conf->blist_devnode)
conf->blist_devnode = vector_alloc();
@@ -1504,7 +1524,8 @@ blacklist_handler(struct config *conf, vector strvec)
}
static int
-blacklist_exceptions_handler(struct config *conf, vector strvec)
+blacklist_exceptions_handler(struct config *conf, vector strvec,
+ const char *file, int line_nr)
{
if (!conf->elist_devnode)
conf->elist_devnode = vector_alloc();
@@ -1527,7 +1548,8 @@ blacklist_exceptions_handler(struct config *conf, vector strvec)
#define declare_ble_handler(option) \
static int \
-ble_ ## option ## _handler (struct config *conf, vector strvec) \
+ble_ ## option ## _handler (struct config *conf, vector strvec, \
+ const char *file, int line_nr) \
{ \
char * buff; \
\
@@ -1543,7 +1565,8 @@ ble_ ## option ## _handler (struct config *conf, vector strvec) \
#define declare_ble_device_handler(name, option, vend, prod) \
static int \
-ble_ ## option ## _ ## name ## _handler (struct config *conf, vector strvec) \
+ble_ ## option ## _ ## name ## _handler (struct config *conf, vector strvec, \
+ const char *file, int line_nr) \
{ \
char * buff; \
\
@@ -1583,13 +1606,15 @@ snprint_ble_simple (struct config *conf, char * buff, int len,
}
static int
-ble_device_handler(struct config *conf, vector strvec)
+ble_device_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
return alloc_ble_device(conf->blist_device);
}
static int
-ble_except_device_handler(struct config *conf, vector strvec)
+ble_except_device_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
return alloc_ble_device(conf->elist_device);
}
@@ -1623,7 +1648,8 @@ snprint_bled_product (struct config *conf, char * buff, int len,
* devices block handlers
*/
static int
-devices_handler(struct config *conf, vector strvec)
+devices_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
if (!conf->hwtable)
conf->hwtable = vector_alloc();
@@ -1635,7 +1661,8 @@ devices_handler(struct config *conf, vector strvec)
}
static int
-device_handler(struct config *conf, vector strvec)
+device_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
struct hwentry * hwe;
@@ -1672,7 +1699,8 @@ declare_hw_snprint(hwhandler, print_str)
* overrides handlers
*/
static int
-overrides_handler(struct config *conf, vector strvec)
+overrides_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
if (!conf->overrides)
conf->overrides = alloc_hwe();
@@ -1689,7 +1717,8 @@ overrides_handler(struct config *conf, vector strvec)
* multipaths block handlers
*/
static int
-multipaths_handler(struct config *conf, vector strvec)
+multipaths_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
if (!conf->mptable)
conf->mptable = vector_alloc();
@@ -1701,7 +1730,8 @@ multipaths_handler(struct config *conf, vector strvec)
}
static int
-multipath_handler(struct config *conf, vector strvec)
+multipath_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
struct mpentry * mpe;
@@ -1730,7 +1760,8 @@ declare_mp_snprint(alias, print_str)
*/
static int
-deprecated_handler(struct config *conf, vector strvec)
+deprecated_handler(struct config *conf, vector strvec, const char *file,
+ int line_nr)
{
char * buff;
diff --git a/libmultipath/parser.c b/libmultipath/parser.c
index 341f2b80..29e8cee0 100644
--- a/libmultipath/parser.c
+++ b/libmultipath/parser.c
@@ -562,7 +562,8 @@ process_stream(struct config *conf, FILE *stream, vector keywords,
goto out;
}
if (keyword->handler) {
- t = keyword->handler(conf, strvec);
+ t = keyword->handler(conf, strvec, file,
+ line_nr);
r += t;
if (t)
condlog(1, "%s line %d, parsing failed: %s",
diff --git a/libmultipath/parser.h b/libmultipath/parser.h
index e8d89607..8b424b7a 100644
--- a/libmultipath/parser.h
+++ b/libmultipath/parser.h
@@ -42,7 +42,7 @@
/* keyword definition */
typedef int print_fn(struct config *, char *, int, const void *);
-typedef int handler_fn(struct config *, vector);
+typedef int handler_fn(struct config *, vector, const char *file, int line_nr);
struct keyword {
char *string;
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