X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fload-dropin.c;h=95c4f894cd1029f492fd17777887d919a5f2cd23;hp=8e10d8fb4c2164031597439daff8626068956095;hb=737563e4bb1606cae1dd0e9484f9e82da466fe76;hpb=8afbb8e1180dce3cb33a14fc3ec5afcf501104e6 diff --git a/src/core/load-dropin.c b/src/core/load-dropin.c index 8e10d8fb4..95c4f894c 100644 --- a/src/core/load-dropin.c +++ b/src/core/load-dropin.c @@ -29,24 +29,25 @@ #include "unit-name.h" #include "conf-parser.h" #include "load-fragment.h" +#include "conf-files.h" -static int load_dropin_config_file(Unit *u, const char *path) { - assert(u); - assert(path); - - if (!endswith(path, ".conf")) - return 0; - - return config_parse(path, NULL, UNIT_VTABLE(u)->sections, config_item_perf_lookup, (void*) load_fragment_gperf_lookup, false, u); -} - -static int iterate_dir(Unit *u, const char *path, UnitDependency dependency) { +static int iterate_dir(Unit *u, const char *path, 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) @@ -77,21 +78,15 @@ static int iterate_dir(Unit *u, const char *path, UnitDependency dependency) { if (!f) return log_oom(); - if (dependency >= 0) { - 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)); - } else { - r = load_dropin_config_file(u, f); - if (r < 0) - log_error("Cannot load drop-in configuration file %s for %s, ignoring: %s", f, u->id, strerror(-r)); - } + 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) { +static int process_dir(Unit *u, const char *unit_path, const char *name, const char *suffix, UnitDependency dependency, char ***strv) { int r; char *path; @@ -108,7 +103,7 @@ static int process_dir(Unit *u, const char *unit_path, const char *name, const c !set_get(u->manager->unit_path_cache, path)) r = 0; else - r = iterate_dir(u, path, dependency); + r = iterate_dir(u, path, dependency, strv); free(path); if (r < 0) @@ -132,7 +127,7 @@ static int process_dir(Unit *u, const char *unit_path, const char *name, const c !set_get(u->manager->unit_path_cache, path)) r = 0; else - r = iterate_dir(u, path, dependency); + r = iterate_dir(u, path, dependency, strv); free(path); if (r < 0) @@ -142,34 +137,73 @@ static int process_dir(Unit *u, const char *unit_path, const char *name, const c return 0; } -int unit_load_dropin(Unit *u) { +char **unit_find_dropin_paths(Unit *u) { Iterator i; char *t; + _cleanup_strv_free_ char **strv = NULL; + char **configs = NULL; + int r; assert(u); - /* Load dependencies from supplementary drop-in directories */ - SET_FOREACH(t, u->names, i) { char **p; STRV_FOREACH(p, u->manager->lookup_paths.unit_path) { - int r; - - r = process_dir(u, *p, t, ".wants", UNIT_WANTS); + /* This loads the drop-in config snippets */ + r = process_dir(u, *p, t, ".d", _UNIT_DEPENDENCY_INVALID, &strv); if (r < 0) - return r; + return NULL; + } + } - r = process_dir(u, *p, t, ".requires", UNIT_REQUIRES); + if (!strv_isempty(strv)) { + 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; + int r; + + assert(u); + + /* Load dependencies from supplementary drop-in directories */ + + SET_FOREACH(t, u->names, i) { + 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; - /* This loads the drop-in config snippets */ - r = process_dir(u, *p, t, ".d", _UNIT_TYPE_INVALID); + r = process_dir(u, *p, t, ".requires", UNIT_REQUIRES, NULL); if (r < 0) return r; } } + u->dropin_paths = unit_find_dropin_paths(u); + if (! u->dropin_paths) + return 0; + + STRV_FOREACH(f, u->dropin_paths) { + r = config_parse(*f, NULL, UNIT_VTABLE(u)->sections, config_item_perf_lookup, (void*) load_fragment_gperf_lookup, false, u); + if (r < 0) + return r; + } + + u->dropin_mtime = now(CLOCK_REALTIME); + return 0; }