lagertonne/ifupdown-ng
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state: migrate to lif_state_record from a bare dictionary containing the mapped ifs

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This commit is contained in:
Ariadne Conill 2020-09-08 14:59:58 -06:00
parent 923b96fab8
commit 8e4eb5d00c
3 changed files with 30 additions and 8 deletions
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3
cmd/ifquery.c
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@ -215,7 +215,8 @@ list_state(struct lif_dict *state, struct match_options *opts)
fnmatch(opts->include_pattern, entry->key, 0))
continue;
printf("%s=%s\n", entry->key, (const char *) entry->data);
struct lif_state_record *rec = entry->data;
printf("%s=%s %zu\n", entry->key, rec->mapped_if, rec->refcount);
}
}

30
libifupdown/state.c
View file

@ -27,16 +27,21 @@ lif_state_read(struct lif_dict *state, FILE *fd)
while (lif_fgetline(linebuf, sizeof linebuf, fd))
{
char *ifname = lif_next_token(&bufp);
char *refcount = lif_next_token(&bufp);
size_t rc = 1;
char *equals_p = strchr(linebuf, '=');
if (*refcount)
rc = strtoul(refcount, NULL, 10);
if (equals_p == NULL)
{
lif_state_upsert(state, ifname, &(struct lif_interface){ .ifname = ifname });
lif_state_upsert(state, ifname, &(struct lif_interface){ .ifname = ifname, .refcount = rc });
continue;
}
*equals_p++ = '\0';
lif_state_upsert(state, ifname, &(struct lif_interface){ .ifname = equals_p });
lif_state_upsert(state, ifname, &(struct lif_interface){ .ifname = equals_p, .refcount = rc });
}
return true;
@ -61,7 +66,12 @@ lif_state_read_path(struct lif_dict *state, const char *path)
void
lif_state_upsert(struct lif_dict *state, const char *ifname, struct lif_interface *iface)
{
lif_dict_add(state, ifname, strdup(iface->ifname));
struct lif_state_record *rec = calloc(1, sizeof(*rec));
rec->mapped_if = strdup(iface->ifname);
rec->refcount = iface->refcount;
lif_dict_add(state, ifname, rec);
}
void
@ -72,7 +82,10 @@ lif_state_delete(struct lif_dict *state, const char *ifname)
if (entry == NULL)
return;
free(entry->data);
struct lif_state_record *rec = entry->data;
free(rec->mapped_if);
free(rec);
lif_dict_delete_entry(state, entry);
}
@ -84,8 +97,9 @@ lif_state_write(const struct lif_dict *state, FILE *f)
LIF_DICT_FOREACH(iter, state)
{
struct lif_dict_entry *entry = iter->data;
struct lif_state_record *rec = entry->data;
fprintf(f, "%s=%s\n", entry->key, (const char *) entry->data);
fprintf(f, "%s=%s %zu\n", entry->key, rec->mapped_if, rec->refcount);
}
}
@ -111,7 +125,8 @@ lif_state_lookup(struct lif_dict *state, struct lif_dict *if_collection, const c
if (entry == NULL)
return NULL;
struct lif_dict_entry *if_entry = lif_dict_find(if_collection, (const char *) entry->data);
struct lif_state_record *rec = entry->data;
struct lif_dict_entry *if_entry = lif_dict_find(if_collection, rec->mapped_if);
if (if_entry == NULL)
return NULL;
@ -127,9 +142,10 @@ lif_state_sync(struct lif_dict *state, struct lif_dict *if_collection)
LIF_DICT_FOREACH(iter, state)
{
struct lif_dict_entry *entry = iter->data;
struct lif_state_record *rec = entry->data;
struct lif_interface *iface = lif_interface_collection_find(if_collection, entry->key);
iface->refcount++;
iface->refcount = rec->refcount;
}
return true;

5
libifupdown/state.h
View file

@ -19,6 +19,11 @@
#include <stdio.h>
#include "libifupdown/interface.h"
struct lif_state_record {
char *mapped_if;
size_t refcount;
};
extern bool lif_state_read(struct lif_dict *state, FILE *f);
extern bool lif_state_read_path(struct lif_dict *state, const char *path);
extern void lif_state_upsert(struct lif_dict *state, const char *ifname, struct lif_interface *iface);