X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fload-dropin.c;h=8be190040e22666e0ae5cb3ac614036b55f92ee0;hb=b57b06258e0b1894edb6d1fc52a80b3c33164892;hp=35040090ac3bbe186d2d295b7b4630e76d3dc040;hpb=9fa3006323e86962ceaa3171b906cf2b1c2cf525;p=elogind.git diff --git a/src/core/load-dropin.c b/src/core/load-dropin.c index 35040090a..8be190040 100644 --- a/src/core/load-dropin.c +++ b/src/core/load-dropin.c @@ -31,158 +31,23 @@ #include "load-fragment.h" #include "conf-files.h" -static int iterate_dir( - Unit *u, - const char *path, +static int add_dependency_consumer( UnitDependency dependency, - char ***strv) { - - _cleanup_closedir_ DIR *d = NULL; - int r; - - assert(u); - assert(path); - - /* The config directories are special, since the order of the - * drop-ins matters */ - if (dependency < 0) { - r = strv_extend(strv, path); - if (r < 0) - return log_oom(); - - return 0; - } - - d = opendir(path); - if (!d) { - if (errno == ENOENT) - return 0; - - return -errno; - } - - for (;;) { - struct dirent *de; - _cleanup_free_ char *f = NULL; - int k; - - errno = 0; - de = readdir(d); - if (!de && errno != 0) { - k = errno; - log_error("Failed to read directory %s: %s", path, strerror(k)); - return -k; - } - - if (!de) - break; - - if (ignore_file(de->d_name)) - continue; - - f = strjoin(path, "/", de->d_name, NULL); - if (!f) - return log_oom(); - - r = unit_add_dependency_by_name(u, dependency, de->d_name, f, true); - if (r < 0) - log_error("Cannot add dependency %s to %s, ignoring: %s", de->d_name, u->id, strerror(-r)); - } - - return 0; -} - -static int process_dir( - Unit *u, - const char *unit_path, - const char *name, - const char *suffix, - UnitDependency dependency, - char ***strv) { - + const char *entry, + const char* filepath, + void *arg) { + Unit *u = arg; int r; - char *path; assert(u); - assert(unit_path); - assert(name); - assert(suffix); - - path = strjoin(unit_path, "/", name, suffix, NULL); - if (!path) - return log_oom(); - - if (u->manager->unit_path_cache && - !set_get(u->manager->unit_path_cache, path)) - r = 0; - else - r = iterate_dir(u, path, dependency, strv); - free(path); + r = unit_add_dependency_by_name(u, dependency, entry, filepath, true); if (r < 0) - return r; - - if (u->instance) { - char *template; - /* Also try the template dir */ - - template = unit_name_template(name); - if (!template) - return log_oom(); - - path = strjoin(unit_path, "/", template, suffix, NULL); - free(template); - - if (!path) - return log_oom(); - - if (u->manager->unit_path_cache && - !set_get(u->manager->unit_path_cache, path)) - r = 0; - else - r = iterate_dir(u, path, dependency, strv); - free(path); - - if (r < 0) - return r; - } + log_error_errno(r, "Cannot add dependency %s to %s, ignoring: %m", entry, u->id); return 0; } -char **unit_find_dropin_paths(Unit *u) { - _cleanup_strv_free_ char **strv = NULL; - char **configs = NULL; - Iterator i; - char *t; - int r; - - assert(u); - - SET_FOREACH(t, u->names, i) { - char **p; - - STRV_FOREACH(p, u->manager->lookup_paths.unit_path) { - /* This loads the drop-in config snippets */ - r = process_dir(u, *p, t, ".d", _UNIT_DEPENDENCY_INVALID, &strv); - if (r < 0) - return NULL; - } - } - - if (strv_isempty(strv)) - return NULL; - - r = conf_files_list_strv(&configs, ".conf", NULL, (const char**) strv); - if (r < 0) { - log_error("Failed to get list of configuration files: %s", strerror(-r)); - strv_free(configs); - return NULL; - } - - return configs; -} - int unit_load_dropin(Unit *u) { Iterator i; char *t, **f; @@ -196,26 +61,22 @@ int unit_load_dropin(Unit *u) { char **p; STRV_FOREACH(p, u->manager->lookup_paths.unit_path) { - r = process_dir(u, *p, t, ".wants", UNIT_WANTS, NULL); - if (r < 0) - return r; - - r = process_dir(u, *p, t, ".requires", UNIT_REQUIRES, NULL); - if (r < 0) - return r; + unit_file_process_dir(u->manager->unit_path_cache, *p, t, ".wants", UNIT_WANTS, + add_dependency_consumer, u, NULL); + unit_file_process_dir(u->manager->unit_path_cache, *p, t, ".requires", UNIT_REQUIRES, + add_dependency_consumer, u, NULL); } } - u->dropin_paths = unit_find_dropin_paths(u); - if (! u->dropin_paths) + r = unit_find_dropin_paths(u, &u->dropin_paths); + if (r <= 0) return 0; STRV_FOREACH(f, u->dropin_paths) { - r = config_parse(u->id, *f, NULL, - UNIT_VTABLE(u)->sections, config_item_perf_lookup, - (void*) load_fragment_gperf_lookup, false, false, u); - if (r < 0) - return r; + config_parse(u->id, *f, NULL, + UNIT_VTABLE(u)->sections, + config_item_perf_lookup, load_fragment_gperf_lookup, + false, false, false, u); } u->dropin_mtime = now(CLOCK_REALTIME);