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plugins: add and install built-in plugin dir, add clear and disable options.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2018-12-04 13:34:14 +10:30
committed by Christian Decker
parent ac5002a79e
commit eb03b33655
8 changed files with 148 additions and 15 deletions
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51
lightningd/plugin.c
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@@ -134,6 +134,41 @@ void plugin_register(struct plugins *plugins, const char* path TAKES)
list_head_init(&p->plugin_opts);
}
static bool paths_match(const char *cmd, const char *name)
{
if (strchr(name, PATH_SEP)) {
const char *cmd_canon, *name_canon;
if (streq(cmd, name))
return true;
/* These return NULL path doesn't exist */
cmd_canon = path_canon(tmpctx, cmd);
name_canon = path_canon(tmpctx, name);
return cmd_canon && name_canon && streq(name_canon, cmd_canon);
} else {
/* No path separator means a basename match. */
const char *base = path_basename(tmpctx, cmd);
return streq(base, name);
}
}
bool plugin_remove(struct plugins *plugins, const char *name)
{
struct plugin *p, *next;
bool removed = false;
list_for_each_safe(&plugins->plugins, p, next, list) {
if (paths_match(p->cmd, name)) {
list_del_from(&plugins->plugins, &p->list);
tal_free(p);
removed = true;
}
}
return removed;
}
/**
* Kill a plugin process, with an error message.
*/
@@ -638,13 +673,16 @@ static const char *plugin_fullpath(const tal_t *ctx, const char *dir,
return fullname;
}
char *add_plugin_dir(struct plugins *plugins, const char *dir)
char *add_plugin_dir(struct plugins *plugins, const char *dir, bool nonexist_ok)
{
struct dirent *di;
DIR *d = opendir(dir);
if (!d)
if (!d) {
if (nonexist_ok && errno == ENOENT)
return NULL;
return tal_fmt("Failed to open plugin-dir %s: %s",
dir, strerror(errno));
}
while ((di = readdir(d)) != NULL) {
const char *fullpath;
@@ -658,6 +696,15 @@ char *add_plugin_dir(struct plugins *plugins, const char *dir)
return NULL;
}
void clear_plugins(struct plugins *plugins)
{
struct plugin *p;
log_info(plugins->log, "clear-plugins removing all plugins");
while ((p = list_pop(&plugins->plugins, struct plugin, list)) != NULL)
tal_free(p);
}
void plugins_init(struct plugins *plugins)
{
struct plugin *p;