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-rw-r--r--include/osmocom/vty/logging.h5
-rw-r--r--include/osmocore/logging.h6
-rw-r--r--src/logging.c138
-rw-r--r--src/vty/logging_vty.c56
4 files changed, 128 insertions, 77 deletions
diff --git a/include/osmocom/vty/logging.h b/include/osmocom/vty/logging.h
index f4e28f88..e0011bf9 100644
--- a/include/osmocom/vty/logging.h
+++ b/include/osmocom/vty/logging.h
@@ -4,8 +4,9 @@
#define LOGGING_STR "Configure log message to this terminal\n"
#define FILTER_STR "Filter log messages\n"
-void logging_vty_add_cmds(void);
-
+struct log_info;
+void logging_vty_add_cmds(const struct log_info *cat);
+struct vty;
struct log_target *osmo_log_vty2tgt(struct vty *vty);
#endif /* _VTY_LOGGING_H */
diff --git a/include/osmocore/logging.h b/include/osmocore/logging.h
index a2c63e9a..fd458440 100644
--- a/include/osmocore/logging.h
+++ b/include/osmocore/logging.h
@@ -144,9 +144,9 @@ int log_target_file_reopen(struct log_target *tgt);
void log_add_target(struct log_target *target);
void log_del_target(struct log_target *target);
-/* Gernerate command argument strings for VTY use */
-const char *log_vty_category_string(struct log_info *info);
-const char *log_vty_level_string(struct log_info *info);
+/* Generate command string for VTY use */
+const char *log_vty_command_string(const struct log_info *info);
+const char *log_vty_command_description(const struct log_info *info);
struct log_target *log_target_find(int type, const char *fname);
extern struct llist_head osmo_log_target_list;
diff --git a/src/logging.c b/src/logging.c
index 876a3526..89ca6ced 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -26,6 +26,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <ctype.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
@@ -37,13 +38,17 @@
#include <osmocore/utils.h>
#include <osmocore/logging.h>
+#include <osmocom/vty/logging.h> /* for LOGGING_STR. */
+
const struct log_info *osmo_log_info;
static struct log_context log_context;
static void *tall_log_ctx = NULL;
LLIST_HEAD(osmo_log_target_list);
-static const struct value_string loglevel_strs[] = {
+#define LOGLEVEL_DEFS 6 /* Number of loglevels.*/
+
+static const struct value_string loglevel_strs[LOGLEVEL_DEFS+1] = {
{ 0, "EVERYTHING" },
{ LOGL_DEBUG, "DEBUG" },
{ LOGL_INFO, "INFO" },
@@ -53,6 +58,17 @@ static const struct value_string loglevel_strs[] = {
{ 0, NULL },
};
+/* You have to keep this in sync with the structure loglevel_strs. */
+const char *loglevel_descriptions[LOGLEVEL_DEFS+1] = {
+ "Log simply everything",
+ "Log debug messages and higher levels",
+ "Log informational messages and higher levels",
+ "Log noticable messages and higher levels",
+ "Log error messages and higher levels",
+ "Log only fatal messages",
+ NULL,
+};
+
int log_parse_level(const char *lvl)
{
return get_string_value(loglevel_strs, lvl);
@@ -418,49 +434,125 @@ int log_target_file_reopen(struct log_target *target)
return 0;
}
-const char *log_vty_level_string(struct log_info *info)
+/* This can go into some header file so others can benefit from it. */
+#define SNPRINTF_FAILURE(ret, rem, offset, len) \
+do { \
+ len += ret; \
+ if (ret > rem) \
+ ret = rem; \
+ offset += ret; \
+ rem -= ret; \
+} while (0)
+
+/* This generates the logging command string for VTY. */
+const char *log_vty_command_string(const struct log_info *info)
{
- const struct value_string *vs;
- unsigned int len = 3; /* ()\0 */
+ int len = 0, offset = 0, ret, i, rem;
+ int size = strlen("logging level () ()") + 1;
char *str;
- for (vs = loglevel_strs; vs->value || vs->str; vs++)
- len += strlen(vs->str) + 1;
+ for (i = 0; i < info->num_cat; i++)
+ size += strlen(info->cat[i].name) + 1;
- str = talloc_zero_size(NULL, len);
+ for (i = 0; i < LOGLEVEL_DEFS; i++)
+ size += strlen(loglevel_strs[i].str) + 1;
+
+ rem = size;
+ str = talloc_zero_size(NULL, size);
if (!str)
return NULL;
- str[0] = '(';
- for (vs = loglevel_strs; vs->value || vs->str; vs++) {
- strcat(str, vs->str);
- strcat(str, "|");
- }
- str[strlen(str)-1] = ')';
+ ret = snprintf(str + offset, rem, "logging level (");
+ if (ret < 0)
+ goto err;
+ SNPRINTF_FAILURE(ret, rem, offset, len);
+
+ for (i = 0; i < info->num_cat; i++) {
+ int j, name_len = strlen(info->cat[i].name)+1;
+ char name[name_len];
+ for (j = 0; j < name_len; j++)
+ name[j] = tolower(info->cat[i].name[j]);
+
+ name[name_len-1] = '\0';
+ ret = snprintf(str + offset, rem, "%s|", name+1);
+ if (ret < 0)
+ goto err;
+ SNPRINTF_FAILURE(ret, rem, offset, len);
+ }
+ offset--; /* to remove the trailing | */
+ rem++;
+
+ ret = snprintf(str + offset, rem, ") (");
+ if (ret < 0)
+ goto err;
+ SNPRINTF_FAILURE(ret, rem, offset, len);
+
+ for (i = 0; i < LOGLEVEL_DEFS; i++) {
+ int j, loglevel_str_len = strlen(loglevel_strs[i].str)+1;
+ char loglevel_str[loglevel_str_len];
+
+ for (j = 0; j < loglevel_str_len; j++)
+ loglevel_str[j] = tolower(loglevel_strs[i].str[j]);
+
+ loglevel_str[loglevel_str_len-1] = '\0';
+ ret = snprintf(str + offset, rem, "%s|", loglevel_str);
+ if (ret < 0)
+ goto err;
+ SNPRINTF_FAILURE(ret, rem, offset, len);
+ }
+ offset--; /* to remove the trailing | */
+ rem++;
+
+ ret = snprintf(str + offset, rem, ")");
+ if (ret < 0)
+ goto err;
+ SNPRINTF_FAILURE(ret, rem, offset, len);
+err:
return str;
}
-const char *log_vty_category_string(struct log_info *info)
+/* This generates the logging command description for VTY. */
+const char *log_vty_command_description(const struct log_info *info)
{
- unsigned int len = 3; /* "()\0" */
- unsigned int i;
char *str;
+ int i, ret, len = 0, offset = 0, rem;
+ unsigned int size =
+ strlen(LOGGING_STR
+ "Set the log level for a specified category\n") + 1;
for (i = 0; i < info->num_cat; i++)
- len += strlen(info->cat[i].name) + 1;
+ size += strlen(info->cat[i].description) + 1;
- str = talloc_zero_size(NULL, len);
+ for (i = 0; i < LOGLEVEL_DEFS; i++)
+ size += strlen(loglevel_descriptions[i]) + 1;
+
+ rem = size;
+ str = talloc_zero_size(NULL, size);
if (!str)
return NULL;
- str[0] = '(';
+ ret = snprintf(str + offset, rem, LOGGING_STR
+ "Set the log level for a specified category\n");
+ if (ret < 0)
+ goto err;
+ SNPRINTF_FAILURE(ret, rem, offset, len);
+
for (i = 0; i < info->num_cat; i++) {
- strcat(str, info->cat[i].name+1);
- strcat(str, "|");
+ ret = snprintf(str + offset, rem, "%s\n",
+ info->cat[i].description);
+ if (ret < 0)
+ goto err;
+ SNPRINTF_FAILURE(ret, rem, offset, len);
}
- str[strlen(str)-1] = ')';
-
+ for (i = 0; i < LOGLEVEL_DEFS; i++) {
+ ret = snprintf(str + offset, rem, "%s\n",
+ loglevel_descriptions[i]);
+ if (ret < 0)
+ goto err;
+ SNPRINTF_FAILURE(ret, rem, offset, len);
+ }
+err:
return str;
}
diff --git a/src/vty/logging_vty.c b/src/vty/logging_vty.c
index 904f8fec..1b356c9f 100644
--- a/src/vty/logging_vty.c
+++ b/src/vty/logging_vty.c
@@ -149,56 +149,10 @@ DEFUN(logging_prnt_timestamp,
return CMD_SUCCESS;
}
-/* FIXME: those have to be kept in sync with the log levels and categories */
-#define VTY_DEBUG_CATEGORIES "(rll|cc|mm|rr|rsl|nm|sms|pag|mncc|inp|mi|mib|mux|meas|sccp|msc|mgcp|ho|db|ref|gprs|ns|bssgp|llc|sndcp|isup|m2ua|pcap|nat|all)"
-#define CATEGORIES_HELP \
- "A-bis Radio Link Layer (RLL)\n" \
- "Layer3 Call Control (CC)\n" \
- "Layer3 Mobility Management (MM)\n" \
- "Layer3 Radio Resource (RR)\n" \
- "A-bis Radio Signalling Link (RSL)\n" \
- "A-bis Network Management / O&M (NM/OML)\n" \
- "Layer3 Short Messagaging Service (SMS)\n" \
- "Paging Subsystem\n" \
- "MNCC API for Call Control application\n" \
- "A-bis Input Subsystem\n" \
- "A-bis Input Driver for Signalling\n" \
- "A-bis Input Driver for B-Channel (voice data)\n" \
- "A-bis B-Channel / Sub-channel Multiplexer\n" \
- "Radio Measurements\n" \
- "SCCP\n" \
- "Mobile Switching Center\n" \
- "Media Gateway Control Protocol\n" \
- "Hand-over\n" \
- "Database Layer\n" \
- "Reference Counting\n" \
- "GPRS Core\n" \
- "GPRS Network Service (NS)\n" \
- "GPRS BSS Gateway Protocol (BSSGP)\n" \
- "GPRS Logical Link Control Protocol (LLC)\n" \
- "GPRS Sub-Network Dependent Control Protocol (SNDCP)\n" \
- "ISDN User Part (ISUP)\n" \
- "SCTP M2UA\n" \
- "Trace message IO\n" \
- "BSC NAT\n" \
- "Global setting for all subsytems\n"
-
-#define VTY_DEBUG_LEVELS "(everything|debug|info|notice|error|fatal)"
-#define LEVELS_HELP \
- "Log simply everything\n" \
- "Log debug messages and higher levels\n" \
- "Log informational messages and higher levels\n" \
- "Log noticable messages and higher levels\n" \
- "Log error messages and higher levels\n" \
- "Log only fatal messages\n"
-
DEFUN(logging_level,
logging_level_cmd,
- "logging level " VTY_DEBUG_CATEGORIES " " VTY_DEBUG_LEVELS,
- LOGGING_STR
- "Set the log level for a specified category\n"
- CATEGORIES_HELP
- LEVELS_HELP)
+ NULL, /* cmdstr is dynamically set in logging_vty_add_cmds(). */
+ NULL) /* same thing for helpstr. */
{
int category = log_parse_category(argv[0]);
int level = log_parse_level(argv[1]);
@@ -596,7 +550,7 @@ static int config_write_log(struct vty *vty)
return 1;
}
-void logging_vty_add_cmds()
+void logging_vty_add_cmds(const struct log_info *cat)
{
install_element_ve(&enable_logging_cmd);
install_element_ve(&disable_logging_cmd);
@@ -604,6 +558,10 @@ void logging_vty_add_cmds()
install_element_ve(&logging_use_clr_cmd);
install_element_ve(&logging_prnt_timestamp_cmd);
install_element_ve(&logging_set_category_mask_cmd);
+
+ /* Logging level strings are generated dynamically. */
+ logging_level_cmd.string = log_vty_command_string(cat);
+ logging_level_cmd.doc = log_vty_command_description(cat);
install_element_ve(&logging_level_cmd);
install_element_ve(&show_logging_vty_cmd);