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authorLennart Poettering <lennart@poettering.net>2012-09-18 11:27:56 +0200
committerLennart Poettering <lennart@poettering.net>2012-09-18 11:27:56 +0200
commit41f9172f427bdbb8221c64029f78364b8dd4e527 (patch)
treec453401440ea60a8c59c54bf96dfb9b8f86daebc
parent99006251161aee07b6a099e3186b4360be66eeaa (diff)
unit: split unit_printf() and friends into its own .c file
-rw-r--r--Makefile.am2
-rw-r--r--TODO7
-rw-r--r--src/core/load-fragment.c1
-rw-r--r--src/core/service.c1
-rw-r--r--src/core/socket.c1
-rw-r--r--src/core/unit-printf.c282
-rw-r--r--src/core/unit-printf.h28
-rw-r--r--src/core/unit.c258
-rw-r--r--src/core/unit.h6
9 files changed, 325 insertions, 261 deletions
diff --git a/Makefile.am b/Makefile.am
index c7aff78480..5da132c649 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -909,6 +909,8 @@ noinst_LTLIBRARIES += \
libsystemd_core_la_SOURCES = \
src/core/unit.c \
src/core/unit.h \
+ src/core/unit-printf.c \
+ src/core/unit-printf.h \
src/core/job.c \
src/core/job.h \
src/core/manager.c \
diff --git a/TODO b/TODO
index 8addd6e291..2a3cc77bec 100644
--- a/TODO
+++ b/TODO
@@ -30,7 +30,8 @@ F18:
Features:
-* instantiated target units
+* instantiated [Install] for target units
+ https://bugs.freedesktop.org/show_bug.cgi?id=54377
* support *static* (/run) hibernate inhibitors. All rpm -i actions should completely prevent any
sort of hibernate action until the next reboot. If the kernel or any other base tool is replaced
@@ -40,10 +41,12 @@ Features:
* move debug shell to tty6 and make sure this doesn't break the gettys on tty6
* move cryptsetup key caching into kernel keyctl?
+ https://bugs.freedesktop.org/show_bug.cgi?id=54982
* make nspawn work without terminal
* hw watchdog: optionally try to use the preset watchdog timeout instead of always overriding it
+ https://bugs.freedesktop.org/show_bug.cgi?id=54712
* after deserializing sockets in socket.c we should reapply sockopts and things
@@ -55,8 +58,6 @@ Features:
* http://lists.freedesktop.org/archives/systemd-devel/2012-September/006502.html
-* don't use writev() in tmpfiles for sake of compat with sysfs?
-
* come up with a nice way to write queue/read_ahead_kb for a block device without interfering with readahead
* journald: add kernel cmdline option to disable ratelimiting for debug purposes
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index 1f3da70aca..0d5d841429 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -42,6 +42,7 @@
#include "securebits.h"
#include "missing.h"
#include "unit-name.h"
+#include "unit-printf.h"
#include "bus-errors.h"
#include "utf8.h"
#include "path-util.h"
diff --git a/src/core/service.c b/src/core/service.c
index 5f7ddfaf14..1e3e875c3f 100644
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -33,6 +33,7 @@
#include "log.h"
#include "strv.h"
#include "unit-name.h"
+#include "unit-printf.h"
#include "dbus-service.h"
#include "special.h"
#include "bus-errors.h"
diff --git a/src/core/socket.c b/src/core/socket.c
index f346030f0c..63e6ed29fe 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -39,6 +39,7 @@
#include "mkdir.h"
#include "path-util.h"
#include "unit-name.h"
+#include "unit-printf.h"
#include "dbus-socket.h"
#include "missing.h"
#include "special.h"
diff --git a/src/core/unit-printf.c b/src/core/unit-printf.c
new file mode 100644
index 0000000000..cd492061bb
--- /dev/null
+++ b/src/core/unit-printf.c
@@ -0,0 +1,282 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "systemd/sd-id128.h"
+#include "unit.h"
+#include "specifier.h"
+#include "path-util.h"
+#include "strv.h"
+#include "unit-name.h"
+#include "unit-printf.h"
+
+static char *specifier_prefix_and_instance(char specifier, void *data, void *userdata) {
+ Unit *u = userdata;
+ assert(u);
+
+ return unit_name_to_prefix_and_instance(u->id);
+}
+
+static char *specifier_prefix(char specifier, void *data, void *userdata) {
+ Unit *u = userdata;
+ assert(u);
+
+ return unit_name_to_prefix(u->id);
+}
+
+static char *specifier_prefix_unescaped(char specifier, void *data, void *userdata) {
+ Unit *u = userdata;
+ char *p, *r;
+
+ assert(u);
+
+ p = unit_name_to_prefix(u->id);
+ if (!p)
+ return NULL;
+
+ r = unit_name_unescape(p);
+ free(p);
+
+ return r;
+}
+
+static char *specifier_instance_unescaped(char specifier, void *data, void *userdata) {
+ Unit *u = userdata;
+ assert(u);
+
+ if (u->instance)
+ return unit_name_unescape(u->instance);
+
+ return strdup("");
+}
+
+static char *specifier_filename(char specifier, void *data, void *userdata) {
+ Unit *u = userdata;
+ assert(u);
+
+ if (u->instance)
+ return unit_name_path_unescape(u->instance);
+
+ return unit_name_to_path(u->id);
+}
+
+static char *specifier_cgroup(char specifier, void *data, void *userdata) {
+ Unit *u = userdata;
+ assert(u);
+
+ return unit_default_cgroup_path(u);
+}
+
+static char *specifier_cgroup_root(char specifier, void *data, void *userdata) {
+ Unit *u = userdata;
+ char *p;
+ assert(u);
+
+ if (specifier == 'r')
+ return strdup(u->manager->cgroup_hierarchy);
+
+ if (path_get_parent(u->manager->cgroup_hierarchy, &p) < 0)
+ return strdup("");
+
+ if (streq(p, "/")) {
+ free(p);
+ return strdup("");
+ }
+
+ return p;
+}
+
+static char *specifier_runtime(char specifier, void *data, void *userdata) {
+ Unit *u = userdata;
+ assert(u);
+
+ if (u->manager->running_as == MANAGER_USER) {
+ const char *e;
+
+ e = getenv("XDG_RUNTIME_DIR");
+ if (e)
+ return strdup(e);
+ }
+
+ return strdup("/run");
+}
+
+static char *specifier_user_name(char specifier, void *data, void *userdata) {
+ Service *s = userdata;
+ int r;
+ const char *username;
+
+ /* get USER env from our own env if set */
+ if (!s->exec_context.user)
+ return getusername_malloc();
+
+ /* fish username from passwd */
+ username = s->exec_context.user;
+ r = get_user_creds(&username, NULL, NULL, NULL, NULL);
+ if (r < 0)
+ return NULL;
+
+ return strdup(username);
+}
+
+static char *specifier_user_home(char specifier, void *data, void *userdata) {
+ Service *s = userdata;
+ int r;
+ const char *username, *home;
+
+ /* return HOME if set, otherwise from passwd */
+ if (!s->exec_context.user) {
+ char *h;
+
+ r = get_home_dir(&h);
+ if (r < 0)
+ return NULL;
+
+ return h;
+ }
+
+ username = s->exec_context.user;
+ r = get_user_creds(&username, NULL, NULL, &home, NULL);
+ if (r < 0)
+ return NULL;
+
+ return strdup(home);
+}
+
+static char *specifier_user_shell(char specifier, void *data, void *userdata) {
+ Service *s = userdata;
+ int r;
+ const char *username, *shell;
+
+ /* return HOME if set, otherwise from passwd */
+ if (!s->exec_context.user) {
+ char *sh;
+
+ r = get_shell(&sh);
+ if (r < 0)
+ return strdup("/bin/sh");
+
+ return sh;
+ }
+
+ username = s->exec_context.user;
+ r = get_user_creds(&username, NULL, NULL, NULL, &shell);
+ if (r < 0)
+ return strdup("/bin/sh");
+
+ return strdup(shell);
+}
+
+char *unit_name_printf(Unit *u, const char* format) {
+
+ /*
+ * This will use the passed string as format string and
+ * replace the following specifiers:
+ *
+ * %n: the full id of the unit (foo@bar.waldo)
+ * %N: the id of the unit without the suffix (foo@bar)
+ * %p: the prefix (foo)
+ * %i: the instance (bar)
+ */
+
+ const Specifier table[] = {
+ { 'n', specifier_string, u->id },
+ { 'N', specifier_prefix_and_instance, NULL },
+ { 'p', specifier_prefix, NULL },
+ { 'i', specifier_string, u->instance },
+ { 0, NULL, NULL }
+ };
+
+ assert(u);
+ assert(format);
+
+ return specifier_printf(format, table, u);
+}
+
+char *unit_full_printf(Unit *u, const char *format) {
+
+ /* This is similar to unit_name_printf() but also supports
+ * unescaping. Also, adds a couple of additional codes:
+ *
+ * %f the the instance if set, otherwise the id
+ * %c cgroup path of unit
+ * %r root cgroup path of this systemd instance (e.g. "/user/lennart/shared/systemd-4711")
+ * %R parent of root cgroup path (e.g. "/usr/lennart/shared")
+ * %t the runtime directory to place sockets in (e.g. "/run" or $XDG_RUNTIME_DIR)
+ * %u the username of the configured user or running user
+ * %h the homedir of the configured user or running user
+ * %s the shell of the configured user or running user
+ */
+
+ const Specifier table[] = {
+ { 'n', specifier_string, u->id },
+ { 'N', specifier_prefix_and_instance, NULL },
+ { 'p', specifier_prefix, NULL },
+ { 'P', specifier_prefix_unescaped, NULL },
+ { 'i', specifier_string, u->instance },
+ { 'I', specifier_instance_unescaped, NULL },
+
+ { 'f', specifier_filename, NULL },
+ { 'c', specifier_cgroup, NULL },
+ { 'r', specifier_cgroup_root, NULL },
+ { 'R', specifier_cgroup_root, NULL },
+ { 't', specifier_runtime, NULL },
+ { 'u', specifier_user_name, NULL },
+ { 'h', specifier_user_home, NULL },
+ { 's', specifier_user_shell, NULL },
+ { 0, NULL, NULL }
+ };
+
+ assert(u);
+ assert(format);
+
+ return specifier_printf(format, table, u);
+}
+
+char **unit_full_printf_strv(Unit *u, char **l) {
+ size_t n;
+ char **r, **i, **j;
+
+ /* Applies unit_full_printf to every entry in l */
+
+ assert(u);
+
+ n = strv_length(l);
+ r = new(char*, n+1);
+ if (!r)
+ return NULL;
+
+ for (i = l, j = r; *i; i++, j++) {
+ *j = unit_full_printf(u, *i);
+ if (!*j)
+ goto fail;
+ }
+
+ *j = NULL;
+ return r;
+
+fail:
+ for (j--; j >= r; j--)
+ free(*j);
+
+ free(r);
+
+ return NULL;
+}
diff --git a/src/core/unit-printf.h b/src/core/unit-printf.h
new file mode 100644
index 0000000000..d2f4ccd178
--- /dev/null
+++ b/src/core/unit-printf.h
@@ -0,0 +1,28 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "unit.h"
+
+char *unit_name_printf(Unit *u, const char* text);
+char *unit_full_printf(Unit *u, const char *text);
+char **unit_full_printf_strv(Unit *u, char **l);
diff --git a/src/core/unit.c b/src/core/unit.c
index 655440113c..4eea5b57ae 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -40,7 +40,6 @@
#include "load-dropin.h"
#include "log.h"
#include "unit-name.h"
-#include "specifier.h"
#include "dbus-unit.h"
#include "special.h"
#include "cgroup-util.h"
@@ -1965,7 +1964,7 @@ int unit_add_cgroup(Unit *u, CGroupBonding *b) {
return 0;
}
-static char *default_cgroup_path(Unit *u) {
+char *unit_default_cgroup_path(Unit *u) {
char *p;
assert(u);
@@ -1998,7 +1997,7 @@ int unit_add_cgroup_from_text(Unit *u, const char *name) {
return r;
if (!path) {
- path = default_cgroup_path(u);
+ path = unit_default_cgroup_path(u);
ours = true;
}
@@ -2060,7 +2059,8 @@ static int unit_add_one_default_cgroup(Unit *u, const char *controller) {
if (!(b->controller = strdup(controller)))
goto fail;
- if (!(b->path = default_cgroup_path(u)))
+ b->path = unit_default_cgroup_path(u);
+ if (!b->path)
goto fail;
b->ours = true;
@@ -2217,256 +2217,6 @@ int unit_get_related_unit(Unit *u, const char *type, Unit **_found) {
return 0;
}
-static char *specifier_prefix_and_instance(char specifier, void *data, void *userdata) {
- Unit *u = userdata;
- assert(u);
-
- return unit_name_to_prefix_and_instance(u->id);
-}
-
-static char *specifier_prefix(char specifier, void *data, void *userdata) {
- Unit *u = userdata;
- assert(u);
-
- return unit_name_to_prefix(u->id);
-}
-
-static char *specifier_prefix_unescaped(char specifier, void *data, void *userdata) {
- Unit *u = userdata;
- char *p, *r;
-
- assert(u);
-
- if (!(p = unit_name_to_prefix(u->id)))
- return NULL;
-
- r = unit_name_unescape(p);
- free(p);
-
- return r;
-}
-
-static char *specifier_instance_unescaped(char specifier, void *data, void *userdata) {
- Unit *u = userdata;
- assert(u);
-
- if (u->instance)
- return unit_name_unescape(u->instance);
-
- return strdup("");
-}
-
-static char *specifier_filename(char specifier, void *data, void *userdata) {
- Unit *u = userdata;
- assert(u);
-
- if (u->instance)
- return unit_name_path_unescape(u->instance);
-
- return unit_name_to_path(u->id);
-}
-
-static char *specifier_cgroup(char specifier, void *data, void *userdata) {
- Unit *u = userdata;
- assert(u);
-
- return default_cgroup_path(u);
-}
-
-static char *specifier_cgroup_root(char specifier, void *data, void *userdata) {
- Unit *u = userdata;
- char *p;
- assert(u);
-
- if (specifier == 'r')
- return strdup(u->manager->cgroup_hierarchy);
-
- if (path_get_parent(u->manager->cgroup_hierarchy, &p) < 0)
- return strdup("");
-
- if (streq(p, "/")) {
- free(p);
- return strdup("");
- }
-
- return p;
-}
-
-static char *specifier_runtime(char specifier, void *data, void *userdata) {
- Unit *u = userdata;
- assert(u);
-
- if (u->manager->running_as == MANAGER_USER) {
- const char *e;
-
- e = getenv("XDG_RUNTIME_DIR");
- if (e)
- return strdup(e);
- }
-
- return strdup("/run");
-}
-
-static char *specifier_user_name(char specifier, void *data, void *userdata) {
- Service *s = userdata;
- int r;
- const char *username;
-
- /* get USER env from our own env if set */
- if (!s->exec_context.user)
- return getusername_malloc();
-
- /* fish username from passwd */
- username = s->exec_context.user;
- r = get_user_creds(&username, NULL, NULL, NULL, NULL);
- if (r < 0)
- return NULL;
-
- return strdup(username);
-}
-
-static char *specifier_user_home(char specifier, void *data, void *userdata) {
- Service *s = userdata;
- int r;
- const char *username, *home;
-
- /* return HOME if set, otherwise from passwd */
- if (!s->exec_context.user) {
- char *h;
-
- r = get_home_dir(&h);
- if (r < 0)
- return NULL;
-
- return h;
- }
-
- username = s->exec_context.user;
- r = get_user_creds(&username, NULL, NULL, &home, NULL);
- if (r < 0)
- return NULL;
-
- return strdup(home);
-}
-
-static char *specifier_user_shell(char specifier, void *data, void *userdata) {
- Service *s = userdata;
- int r;
- const char *username, *shell;
-
- /* return HOME if set, otherwise from passwd */
- if (!s->exec_context.user) {
- char *sh;
-
- r = get_shell(&sh);
- if (r < 0)
- return strdup("/bin/sh");
-
- return sh;
- }
-
- username = s->exec_context.user;
- r = get_user_creds(&username, NULL, NULL, NULL, &shell);
- if (r < 0)
- return strdup("/bin/sh");
-
- return strdup(shell);
-}
-
-char *unit_name_printf(Unit *u, const char* format) {
-
- /*
- * This will use the passed string as format string and
- * replace the following specifiers:
- *
- * %n: the full id of the unit (foo@bar.waldo)
- * %N: the id of the unit without the suffix (foo@bar)
- * %p: the prefix (foo)
- * %i: the instance (bar)
- */
-
- const Specifier table[] = {
- { 'n', specifier_string, u->id },
- { 'N', specifier_prefix_and_instance, NULL },
- { 'p', specifier_prefix, NULL },
- { 'i', specifier_string, u->instance },
- { 0, NULL, NULL }
- };
-
- assert(u);
- assert(format);
-
- return specifier_printf(format, table, u);
-}
-
-char *unit_full_printf(Unit *u, const char *format) {
-
- /* This is similar to unit_name_printf() but also supports
- * unescaping. Also, adds a couple of additional codes:
- *
- * %f the the instance if set, otherwise the id
- * %c cgroup path of unit
- * %r root cgroup path of this systemd instance (e.g. "/user/lennart/shared/systemd-4711")
- * %R parent of root cgroup path (e.g. "/usr/lennart/shared")
- * %t the runtime directory to place sockets in (e.g. "/run" or $XDG_RUNTIME_DIR)
- * %u the username of the configured user or running user
- * %h the homedir of the configured user or running user
- * %s the shell of the configured user or running user
- */
-
- const Specifier table[] = {
- { 'n', specifier_string, u->id },
- { 'N', specifier_prefix_and_instance, NULL },
- { 'p', specifier_prefix, NULL },
- { 'P', specifier_prefix_unescaped, NULL },
- { 'i', specifier_string, u->instance },
- { 'I', specifier_instance_unescaped, NULL },
-
- { 'f', specifier_filename, NULL },
- { 'c', specifier_cgroup, NULL },
- { 'r', specifier_cgroup_root, NULL },
- { 'R', specifier_cgroup_root, NULL },
- { 't', specifier_runtime, NULL },
- { 'u', specifier_user_name, NULL },
- { 'h', specifier_user_home, NULL },
- { 's', specifier_user_shell, NULL },
- { 0, NULL, NULL }
- };
-
- assert(u);
- assert(format);
-
- return specifier_printf(format, table, u);
-}
-
-char **unit_full_printf_strv(Unit *u, char **l) {
- size_t n;
- char **r, **i, **j;
-
- /* Applies unit_full_printf to every entry in l */
-
- assert(u);
-
- n = strv_length(l);
- if (!(r = new(char*, n+1)))
- return NULL;
-
- for (i = l, j = r; *i; i++, j++)
- if (!(*j = unit_full_printf(u, *i)))
- goto fail;
-
- *j = NULL;
- return r;
-
-fail:
- for (j--; j >= r; j--)
- free(*j);
-
- free(r);
-
- return NULL;
-}
-
int unit_watch_bus_name(Unit *u, const char *name) {
assert(u);
assert(name);
diff --git a/src/core/unit.h b/src/core/unit.h
index 5b4dda4cb0..da715dc78e 100644
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -495,10 +495,6 @@ char *unit_dbus_path(Unit *u);
int unit_load_related_unit(Unit *u, const char *type, Unit **_found);
int unit_get_related_unit(Unit *u, const char *type, Unit **_found);
-char *unit_name_printf(Unit *u, const char* text);
-char *unit_full_printf(Unit *u, const char *text);
-char **unit_full_printf_strv(Unit *u, char **l);
-
bool unit_can_serialize(Unit *u);
int unit_serialize(Unit *u, FILE *f, FDSet *fds, bool serialize_jobs);
void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_attr_(4,5);
@@ -522,6 +518,8 @@ bool unit_pending_active(Unit *u);
int unit_add_default_target_dependency(Unit *u, Unit *target);
+char *unit_default_cgroup_path(Unit *u);
+
int unit_following_set(Unit *u, Set **s);
void unit_trigger_on_failure(Unit *u);