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CLEANUP: server: Use a local eb-tree to store lines of the global server-state file

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There is no reason to use a global variable to store the lines of the global
server-state file. This tree is only used during the file parsing, as a line
cache. Now the eb-tree is declared as a local variable in the
apply_server_state() function.
This commit is contained in:
Christopher Faulet 2021-02-15 16:53:51 +01:00
parent 6d87c58fb4
commit 8b4b6a0d63
1 changed files with 5 additions and 6 deletions
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11
src/server.c
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@ -74,9 +74,6 @@ struct dict server_key_dict = {
.values = EB_ROOT_UNIQUE,
};
/* tree where global state_file is loaded */
struct eb_root state_file = EB_ROOT_UNIQUE;
int srv_downtime(const struct server *s)
{
if ((s->cur_state != SRV_ST_STOPPED) || s->last_change >= now.tv_sec) // ignore negative time
@ -3218,6 +3215,8 @@ static inline int srv_state_get_filepath(char *dst_path, int maxpathlen, const c
*/
void apply_server_state(void)
{
/* tree where global state_file is loaded */
struct eb_root global_state_tree = EB_ROOT_UNIQUE;
struct proxy *curproxy;
struct server *srv;
struct server_state_line *st_line;
@ -3274,7 +3273,7 @@ void apply_server_state(void)
goto nextline;
}
memcpy(st_line->node.key, trash.area, trash.data + 1);
if (ebst_insert(&state_file, &st_line->node) != &st_line->node) {
if (ebst_insert(&global_state_tree, &st_line->node) != &st_line->node) {
/* this is a duplicate key, probably a hand-crafted file,
* drop it!
*/
@ -3318,7 +3317,7 @@ void apply_server_state(void)
int ret;
chunk_printf(&trash, "%s %s", curproxy->id, srv->id);
node = ebst_lookup(&state_file, trash.area);
node = ebst_lookup(&global_state_tree, trash.area);
if (!node)
continue; /* next server */
st_line = ebmb_entry(node, typeof(*st_line), node);
@ -3413,7 +3412,7 @@ void apply_server_state(void)
fclose(f);
}
node = ebmb_first(&state_file);
node = ebmb_first(&global_state_tree);
while (node) {
st_line = ebmb_entry(node, typeof(*st_line), node);
next_node = ebmb_next(node);