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Merge pull request #6815 from donaldsharp/vtysh_goes_vroom

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vtysh: Speed up output of configuration across daemons
This commit is contained in:
Renato Westphal 2020-08-04 14:42:41 -03:00 committed by GitHub
commit 7e545c5614
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 46 additions and 19 deletions
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65
vtysh/vtysh_config.c
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@ -35,6 +35,7 @@ DEFINE_MTYPE_STATIC(MVTYSH, VTYSH_CONFIG_LINE, "Vtysh configuration line")
vector configvec;
PREDECL_LIST(config_master);
PREDECL_HASH(config_master_hash);
struct config {
/* Configuration node name. */
@ -51,6 +52,7 @@ struct config {
/* Node entry for the typed Red-black tree */
struct config_master_item rbt_item;
struct config_master_hash_item hash_item;
};
struct list *config_top;
@ -79,29 +81,49 @@ static void config_del(struct config *config)
XFREE(MTYPE_VTYSH_CONFIG, config);
}
static int config_cmp(const struct config *c1, const struct config *c2)
{
return strcmp(c1->name, c2->name);
}
static uint32_t config_hash(const struct config *c)
{
return string_hash_make(c->name);
}
DECLARE_LIST(config_master, struct config, rbt_item)
DECLARE_HASH(config_master_hash, struct config, hash_item, config_cmp,
config_hash)
/*
* The config_master_head is a list for order of receipt
* The hash is for quick lookup under this NODE
*/
struct configuration {
struct config_master_head master;
struct config_master_hash_head hash_master;
};
static struct config *config_get(int index, const char *line)
{
struct config *config, *config_loop;
struct config_master_head *master;
struct configuration *configuration;
struct config lookup;
config = config_loop = NULL;
master = vector_lookup_ensure(configvec, index);
configuration = vector_lookup_ensure(configvec, index);
if (!master) {
master = XMALLOC(MTYPE_VTYSH_CONFIG, sizeof(struct config_master_head));
config_master_init(master);
vector_set_index(configvec, index, master);
if (!configuration) {
configuration = XMALLOC(MTYPE_VTYSH_CONFIG,
sizeof(struct configuration));
config_master_init(&configuration->master);
config_master_hash_init(&configuration->hash_master);
vector_set_index(configvec, index, configuration);
}
frr_each (config_master, master, config_loop) {
if (strcmp(config_loop->name, line) == 0) {
config = config_loop;
break;
}
}
lookup.name = (char *)line;
config = config_master_hash_find(&configuration->hash_master, &lookup);
if (!config) {
config = config_new();
@ -110,7 +132,8 @@ static struct config *config_get(int index, const char *line)
config->line->cmp = (int (*)(void *, void *))line_cmp;
config->name = XSTRDUP(MTYPE_VTYSH_CONFIG_LINE, line);
config->index = index;
config_master_add_tail(master, config);
config_master_add_tail(&configuration->master, config);
config_master_hash_add(&configuration->hash_master, config);
}
return config;
}
@ -438,7 +461,7 @@ void vtysh_config_dump(void)
struct listnode *node, *nnode;
struct listnode *mnode, *mnnode;
struct config *config;
struct config_master_head *master;
struct configuration *configuration;
char *line;
unsigned int i;
@ -448,8 +471,11 @@ void vtysh_config_dump(void)
vty_out(vty, "!\n");
for (i = 0; i < vector_active(configvec); i++)
if ((master = vector_slot(configvec, i)) != NULL) {
while ((config = config_master_pop(master))) {
if ((configuration = vector_slot(configvec, i)) != NULL) {
while ((config = config_master_pop(
&configuration->master))) {
config_master_hash_del(
&configuration->hash_master, config);
/* Don't print empty sections for interface.
* Route maps on the
* other hand could have a legitimate empty
@ -477,9 +503,10 @@ void vtysh_config_dump(void)
}
for (i = 0; i < vector_active(configvec); i++)
if ((master = vector_slot(configvec, i)) != NULL) {
config_master_fini(master);
XFREE(MTYPE_VTYSH_CONFIG, master);
if ((configuration = vector_slot(configvec, i)) != NULL) {
config_master_fini(&configuration->master);
config_master_hash_fini(&configuration->hash_master);
XFREE(MTYPE_VTYSH_CONFIG, configuration);
vector_slot(configvec, i) = NULL;
}
list_delete_all_node(config_top);