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-rw-r--r--src/vlib/log.c20
-rw-r--r--src/vlib/log.h3
-rw-r--r--src/vlib/main.c2
-rwxr-xr-xsrc/vlib/unix/main.c2
-rw-r--r--src/vlib/unix/plugin.c209
-rw-r--r--src/vlib/unix/plugin.h5
-rw-r--r--src/vpp/api/plugin.c24
7 files changed, 225 insertions, 40 deletions
diff --git a/src/vlib/log.c b/src/vlib/log.c
index b11d0815aef..342c0d25cd9 100644
--- a/src/vlib/log.c
+++ b/src/vlib/log.c
@@ -172,8 +172,8 @@ syslog:
}
-vlib_log_class_t
-vlib_log_register_class (char *class, char *subclass)
+static vlib_log_class_t
+vlib_log_register_class_internal (char *class, char *subclass, u32 limit)
{
vlib_log_main_t *lm = &log_main;
vlib_log_class_data_t *c = NULL;
@@ -199,12 +199,26 @@ vlib_log_register_class (char *class, char *subclass)
vec_add2 (c->subclasses, s, 1);
s->index = s - c->subclasses;
s->name = subclass ? format (0, "%s", subclass) : 0;
- s->rate_limit = lm->default_rate_limit;
+ s->rate_limit = (limit == 0) ? lm->default_rate_limit : limit;
s->level = lm->default_log_level;
s->syslog_level = lm->default_syslog_log_level;
return (c->index << 16) | (s->index);
}
+vlib_log_class_t
+vlib_log_register_class (char *class, char *subclass)
+{
+ return vlib_log_register_class_internal (class, subclass,
+ 0 /* default rate limit */ );
+}
+
+vlib_log_class_t
+vlib_log_register_class_rate_limit (char *class, char *subclass, u32 limit)
+{
+ return vlib_log_register_class_internal (class, subclass, limit);
+}
+
+
u8 *
format_vlib_log_level (u8 * s, va_list * args)
{
diff --git a/src/vlib/log.h b/src/vlib/log.h
index 663d7fe86ed..9206ad0fcc6 100644
--- a/src/vlib/log.h
+++ b/src/vlib/log.h
@@ -90,6 +90,9 @@ typedef struct
extern vlib_log_main_t log_main;
vlib_log_class_t vlib_log_register_class (char *vlass, char *subclass);
+vlib_log_class_t
+vlib_log_register_class_rate_limit (char *class, char *subclass,
+ u32 rate_limit);
u32 vlib_log_get_indent ();
void vlib_log (vlib_log_level_t level, vlib_log_class_t class, char *fmt,
...);
diff --git a/src/vlib/main.c b/src/vlib/main.c
index 4223474367e..28c8c789c0a 100644
--- a/src/vlib/main.c
+++ b/src/vlib/main.c
@@ -2021,8 +2021,6 @@ vlib_main (vlib_main_t * volatile vm, unformat_input_t * input)
vm->queue_signal_callback = dummy_queue_signal_callback;
- clib_time_init (&vm->clib_time);
-
/* Turn on event log. */
if (!vm->elog_main.event_ring_size)
vm->elog_main.event_ring_size = 128 << 10;
diff --git a/src/vlib/unix/main.c b/src/vlib/unix/main.c
index 7f1a8f35126..e40a462578e 100755
--- a/src/vlib/unix/main.c
+++ b/src/vlib/unix/main.c
@@ -685,6 +685,8 @@ vlib_unix_main (int argc, char *argv[])
(((uword) vm->heap_base) & ~(VLIB_FRAME_ALIGN - 1));
ASSERT (vm->heap_base);
+ clib_time_init (&vm->clib_time);
+
unformat_init_command_line (&input, (char **) vm->argv);
if ((e = vlib_plugin_config (vm, &input)))
{
diff --git a/src/vlib/unix/plugin.c b/src/vlib/unix/plugin.c
index 61eaad471ff..0837ecdb13e 100644
--- a/src/vlib/unix/plugin.c
+++ b/src/vlib/unix/plugin.c
@@ -22,6 +22,13 @@
plugin_main_t vlib_plugin_main;
+#define PLUGIN_LOG_DBG(...) \
+ do {vlib_log_debug (vlib_plugin_main.logger, __VA_ARGS__);} while(0)
+#define PLUGIN_LOG_ERR(...) \
+ do {vlib_log_err (vlib_plugin_main.logger, __VA_ARGS__);} while(0)
+#define PLUGIN_LOG_NOTICE(...) \
+ do {vlib_log_notice (vlib_plugin_main.logger, __VA_ARGS__);} while(0)
+
char *vlib_plugin_path __attribute__ ((weak));
char *vlib_plugin_path = "";
char *vlib_plugin_app_version __attribute__ ((weak));
@@ -60,6 +67,20 @@ str_array_to_vec (char *array, int len)
return r;
}
+static u8 *
+extract (u8 * sp, u8 * ep)
+{
+ u8 *rv = 0;
+
+ while (sp <= ep)
+ {
+ vec_add1 (rv, *sp);
+ sp++;
+ }
+ vec_add1 (rv, 0);
+ return rv;
+}
+
static int
load_one_plugin (plugin_main_t * pm, plugin_info_t * pi, int from_early_init)
{
@@ -80,7 +101,7 @@ load_one_plugin (plugin_main_t * pm, plugin_info_t * pi, int from_early_init)
&section);
if (error)
{
- clib_warning ("Not a plugin: %s\n", (char *) pi->name);
+ PLUGIN_LOG_ERR ("Not a plugin: %s\n", (char *) pi->name);
return -1;
}
@@ -89,8 +110,8 @@ load_one_plugin (plugin_main_t * pm, plugin_info_t * pi, int from_early_init)
if (vec_len (data) != sizeof (*reg))
{
- clib_warning ("vlib_plugin_registration size mismatch in plugin %s\n",
- (char *) pi->name);
+ PLUGIN_LOG_ERR ("vlib_plugin_registration size mismatch in plugin %s\n",
+ (char *) pi->name);
goto error;
}
@@ -103,18 +124,18 @@ load_one_plugin (plugin_main_t * pm, plugin_info_t * pi, int from_early_init)
pc = vec_elt_at_index (pm->configs, p[0]);
if (pc->is_disabled)
{
- clib_warning ("Plugin disabled: %s", pi->name);
+ PLUGIN_LOG_NOTICE ("Plugin disabled: %s", pi->name);
goto error;
}
if (reg->default_disabled && pc->is_enabled == 0)
{
- clib_warning ("Plugin disabled (default): %s", pi->name);
+ PLUGIN_LOG_NOTICE ("Plugin disabled (default): %s", pi->name);
goto error;
}
}
else if (reg->default_disabled)
{
- clib_warning ("Plugin disabled (default): %s", pi->name);
+ PLUGIN_LOG_NOTICE ("Plugin disabled (default): %s", pi->name);
goto error;
}
@@ -125,8 +146,9 @@ load_one_plugin (plugin_main_t * pm, plugin_info_t * pi, int from_early_init)
(strncmp (vlib_plugin_app_version, version_required,
strlen (version_required))))
{
- clib_warning ("Plugin %s version mismatch: %s != %s",
- pi->name, vlib_plugin_app_version, reg->version_required);
+ PLUGIN_LOG_ERR ("Plugin %s version mismatch: %s != %s",
+ pi->name, vlib_plugin_app_version,
+ reg->version_required);
if (!(pc && pc->skip_version_check == 1))
{
vec_free (version_required);
@@ -134,16 +156,61 @@ load_one_plugin (plugin_main_t * pm, plugin_info_t * pi, int from_early_init)
}
}
+ /*
+ * Collect names of plugins overridden (disabled) by the
+ * current plugin.
+ */
+ if (reg->overrides[0])
+ {
+ const char *overrides = reg->overrides;
+ u8 *override_name_copy, *overridden_by_name_copy;
+ u8 *sp, *ep;
+ uword *p;
+
+ sp = ep = (u8 *) overrides;
+
+ while (1)
+ {
+ if (*sp == 0
+ || (sp >= (u8 *) overrides + ARRAY_LEN (reg->overrides)))
+ break;
+ if (*sp == ' ' || *sp == ',')
+ {
+ sp++;
+ continue;
+ }
+ ep = sp;
+ while (*ep && *ep != ' ' && *ep != ',' &&
+ ep < (u8 *) overrides + ARRAY_LEN (reg->overrides))
+ ep++;
+ if (*ep == ' ' || *ep == ',')
+ ep--;
+
+ override_name_copy = extract (sp, ep);
+
+
+ p = hash_get_mem (pm->plugin_overrides_by_name_hash,
+ override_name_copy);
+ /* Already overridden... */
+ if (p)
+ vec_free (override_name_copy);
+ else
+ {
+ overridden_by_name_copy = format (0, "%s%c", pi->name, 0);
+ hash_set_mem (pm->plugin_overrides_by_name_hash,
+ override_name_copy, overridden_by_name_copy);
+ }
+ sp = *ep ? ep + 1 : ep;
+ }
+ }
vec_free (version_required);
- vec_free (data);
- elf_main_free (&em);
handle = dlopen ((char *) pi->filename, RTLD_LAZY);
if (handle == 0)
{
- clib_warning ("%s", dlerror ());
- clib_warning ("Failed to load plugin '%s'", pi->name);
+ PLUGIN_LOG_ERR ("%s", dlerror ());
+ PLUGIN_LOG_ERR ("Failed to load plugin '%s'", pi->name);
goto error;
}
@@ -153,8 +220,8 @@ load_one_plugin (plugin_main_t * pm, plugin_info_t * pi, int from_early_init)
if (reg == 0)
{
- /* This should never happen unless somebody chagnes registration macro */
- clib_warning ("Missing plugin registration in plugin '%s'", pi->name);
+ /* This should never happen unless somebody changes registration macro */
+ PLUGIN_LOG_ERR ("Missing plugin registration in plugin '%s'", pi->name);
dlclose (pi->handle);
goto error;
}
@@ -175,22 +242,29 @@ load_one_plugin (plugin_main_t * pm, plugin_info_t * pi, int from_early_init)
error = (*ei) (pm->vlib_main);
if (error)
{
- clib_error_report (error);
+ u8 *err = format (0, "%s: %U%c", pi->name,
+ format_clib_error, error, 0);
+ PLUGIN_LOG_ERR ((char *) err);
+ clib_error_free (error);
dlclose (pi->handle);
+ pi->handle = 0;
goto error;
}
}
else
- clib_warning ("Plugin %s: early init function %s set but not found",
- (char *) pi->name, reg->early_init);
+ PLUGIN_LOG_ERR ("Plugin %s: early init function %s set but not found",
+ (char *) pi->name, reg->early_init);
}
if (reg->description)
- clib_warning ("Loaded plugin: %s (%s)", pi->name, reg->description);
+ PLUGIN_LOG_NOTICE ("Loaded plugin: %s (%s)", pi->name, reg->description);
else
- clib_warning ("Loaded plugin: %s", pi->name);
+ PLUGIN_LOG_NOTICE ("Loaded plugin: %s", pi->name);
+ vec_free (data);
+ elf_main_free (&em);
return 0;
+
error:
vec_free (data);
elf_main_free (&em);
@@ -233,6 +307,19 @@ plugin_name_sort_cmp (void *a1, void *a2)
return strcmp ((char *) p1->name, (char *) p2->name);
}
+static int
+index_cmp (void *a1, void *a2)
+{
+ uword *i1 = (uword *) a1, *i2 = (uword *) a2;
+
+ if (*i1 < *i2)
+ return -1;
+ else if (*i1 > *i2)
+ return 1;
+ else
+ return 0;
+}
+
int
vlib_load_new_plugins (plugin_main_t * pm, int from_early_init)
{
@@ -242,7 +329,7 @@ vlib_load_new_plugins (plugin_main_t * pm, int from_early_init)
uword *p;
plugin_info_t *pi;
u8 **plugin_path;
- u32 *load_fail_indices = 0;
+ uword *not_loaded_indices = 0;
int i;
plugin_path = split_plugin_path (pm);
@@ -294,6 +381,7 @@ vlib_load_new_plugins (plugin_main_t * pm, int from_early_init)
pi->name = plugin_name;
pi->filename = filename;
pi->file_info = statb;
+ pi->handle = 0;
hash_set_mem (pm->plugin_by_name_hash, plugin_name,
pi - pm->plugin_info);
}
@@ -324,26 +412,79 @@ vlib_load_new_plugins (plugin_main_t * pm, int from_early_init)
if (load_one_plugin (pm, pi, from_early_init))
{
/* Make a note of any which fail to load */
- vec_add1 (load_fail_indices, i);
- hash_unset_mem (pm->plugin_by_name_hash, pi->name);
- vec_free (pi->name);
- vec_free (pi->filename);
+ vec_add1 (not_loaded_indices, i);
+ }
+ }
+
+ /*
+ * Honor override list
+ */
+ for (i = 0; i < vec_len (pm->plugin_info); i++)
+ {
+ uword *p;
+
+ pi = vec_elt_at_index (pm->plugin_info, i);
+
+ p = hash_get_mem (pm->plugin_overrides_by_name_hash, pi->name);
+
+ /* Plugin overridden? */
+ if (p)
+ {
+ PLUGIN_LOG_NOTICE ("Plugin '%s' overridden by '%s'", pi->name,
+ p[0]);
+ vec_add1 (not_loaded_indices, i);
+ }
+ }
+
+ /*
+ * Sort the vector of indices to delete to avoid screwing up
+ * the indices as we delete them.
+ */
+ vec_sort_with_function (not_loaded_indices, index_cmp);
+
+ /*
+ * Remove duplicates, which can happen if a plugin is
+ * disabled from the command line and disabled by
+ * a plugin which is loaded.
+ */
+ for (i = 0; i < vec_len (not_loaded_indices); i++)
+ {
+ if (i < vec_len (not_loaded_indices) - 1)
+ {
+ if (not_loaded_indices[i + 1] == not_loaded_indices[i])
+ {
+ vec_delete (not_loaded_indices, 1, i);
+ i--;
+ }
}
}
/* Remove plugin info vector elements corresponding to load failures */
- if (vec_len (load_fail_indices) > 0)
+ if (vec_len (not_loaded_indices) > 0)
{
- for (i = vec_len (load_fail_indices) - 1; i >= 0; i--)
- vec_delete (pm->plugin_info, 1, load_fail_indices[i]);
- vec_free (load_fail_indices);
+ for (i = vec_len (not_loaded_indices) - 1; i >= 0; i--)
+ {
+ pi = vec_elt_at_index (pm->plugin_info, not_loaded_indices[i]);
+ hash_unset_mem (pm->plugin_by_name_hash, pi->name);
+ if (pi->handle)
+ {
+ dlclose (pi->handle);
+ PLUGIN_LOG_NOTICE ("Unloaded plugin: %s", pi->name);
+ }
+ vec_free (pi->name);
+ vec_free (pi->filename);
+ vec_delete (pm->plugin_info, 1, not_loaded_indices[i]);
+ }
+ vec_free (not_loaded_indices);
}
/* Recreate the plugin name hash */
+ hash_free (pm->plugin_by_name_hash);
+ pm->plugin_by_name_hash = hash_create_string (0, sizeof (uword));
+
for (i = 0; i < vec_len (pm->plugin_info); i++)
{
pi = vec_elt_at_index (pm->plugin_info, i);
- hash_unset_mem (pm->plugin_by_name_hash, pi->name);
hash_set_mem (pm->plugin_by_name_hash, pi->name, pi - pm->plugin_info);
}
@@ -355,12 +496,17 @@ vlib_plugin_early_init (vlib_main_t * vm)
{
plugin_main_t *pm = &vlib_plugin_main;
+ pm->logger =
+ vlib_log_register_class_rate_limit ("plugin", "load",
+ 0x7FFFFFFF /* aka no rate limit */ );
+
if (pm->plugin_path == 0)
pm->plugin_path = format (0, "%s%c", vlib_plugin_path, 0);
- clib_warning ("plugin path %s", pm->plugin_path);
+ PLUGIN_LOG_DBG ("plugin path %s", pm->plugin_path);
pm->plugin_by_name_hash = hash_create_string (0, sizeof (uword));
+ pm->plugin_overrides_by_name_hash = hash_create_string (0, sizeof (uword));
pm->vlib_main = vm;
return vlib_load_new_plugins (pm, 1 /* from_early_init */ );
@@ -401,7 +547,8 @@ vlib_plugins_show_cmd_fn (vlib_main_t * vm,
{
pi = vec_elt_at_index (pm->plugin_info, value);
s = format (s, "%3d. %-40s %-32s %s\n", index, key, pi->version,
- pi->reg->description ? pi->reg->description : "");
+ (pi->reg && pi->reg->description) ?
+ pi->reg->description : "");
index++;
}
});
diff --git a/src/vlib/unix/plugin.h b/src/vlib/unix/plugin.h
index 2a238279401..30039c54d65 100644
--- a/src/vlib/unix/plugin.h
+++ b/src/vlib/unix/plugin.h
@@ -61,6 +61,7 @@ typedef CLIB_PACKED(struct {
u8 default_disabled;
const char version[32];
const char version_required[32];
+ const char overrides[256];
const char *early_init;
const char *description;
}) vlib_plugin_registration_t;
@@ -91,6 +92,7 @@ typedef struct
/* loaded plugin info */
plugin_info_t *plugin_info;
uword *plugin_by_name_hash;
+ uword *plugin_overrides_by_name_hash;
/* paths and name filters */
u8 *plugin_path;
@@ -103,6 +105,9 @@ typedef struct
plugin_config_t *configs;
uword *config_index_by_name;
+ /* Plugin log, avoid filling syslog w/ junk */
+ vlib_log_class_t logger;
+
/* usual */
vlib_main_t *vlib_main;
} plugin_main_t;
diff --git a/src/vpp/api/plugin.c b/src/vpp/api/plugin.c
index 73a20d42dc1..410d497a0aa 100644
--- a/src/vpp/api/plugin.c
+++ b/src/vpp/api/plugin.c
@@ -23,6 +23,15 @@
plugin_main_t vat_plugin_main;
+static vlib_log_class_t vat_builtin_logger;
+
+#define PLUGIN_LOG_DBG(...) \
+ do {vlib_log_debug (vat_builtin_logger, __VA_ARGS__);} while(0)
+#define PLUGIN_LOG_ERR(...) \
+ do {vlib_log_err (vat_builtin_logger, __VA_ARGS__);} while(0)
+#define PLUGIN_LOG_NOTICE(...) \
+ do {vlib_log_notice (vat_builtin_logger, __VA_ARGS__);} while(0)
+
static int
load_one_vat_plugin (plugin_main_t * pm, plugin_info_t * pi)
{
@@ -39,7 +48,7 @@ load_one_vat_plugin (plugin_main_t * pm, plugin_info_t * pi)
*/
if (handle == 0)
{
- clib_warning ("%s", dlerror ());
+ PLUGIN_LOG_ERR ("%s", dlerror ());
return 0;
}
@@ -48,7 +57,7 @@ load_one_vat_plugin (plugin_main_t * pm, plugin_info_t * pi)
register_handle = dlsym (pi->handle, "vat_plugin_register");
if (register_handle == 0)
{
- clib_warning ("%s: symbol vat_plugin_register not found", pi->name);
+ PLUGIN_LOG_ERR ("%s: symbol vat_plugin_register not found", pi->name);
dlclose (handle);
return 0;
}
@@ -59,12 +68,15 @@ load_one_vat_plugin (plugin_main_t * pm, plugin_info_t * pi)
if (error)
{
- clib_error_report (error);
+ u8 *err = format (0, "%U%c", format_clib_error, error, 0);
+ PLUGIN_LOG_ERR ((char *) err);
+ clib_error_free (error);
dlclose (handle);
+ pi->handle = 0;
return 1;
}
- clib_warning ("Loaded plugin: %s", pi->name);
+ PLUGIN_LOG_NOTICE ("Loaded plugin: %s", pi->name);
return 0;
}
@@ -190,6 +202,10 @@ vat_plugin_init (vat_main_t * vam)
u8 *plugin_path;
u8 *plugin_name_filter;
+ vat_builtin_logger =
+ vlib_log_register_class_rate_limit ("vat-plug", "load",
+ 0x7FFFFFFF /* aka no rate limit */ );
+
plugin_path = vlib_get_vat_plugin_path ();
plugin_name_filter = vlib_get_vat_plugin_name_filter ();