core: add new "scope" unit type for making a unit of pre-existing processes

[elogind.git] / src / shared / unit-name.c

diff --git a/src/shared/unit-name.c b/src/shared/unit-name.c
index d6391228f2118686d4cae9cd79ca230a3d8ffc20..f2c30a6e4f7333c5e1f56d30ef331be423306d17 100644 (file)
--- a/src/shared/unit-name.c
+++ b/src/shared/unit-name.c
@@ -44,6 +44,8 @@ static const char* const unit_type_table[_UNIT_TYPE_MAX] = {
         [UNIT_TIMER] = "timer",
         [UNIT_SWAP] = "swap",
         [UNIT_PATH] = "path",
         [UNIT_TIMER] = "timer",
         [UNIT_SWAP] = "swap",
         [UNIT_PATH] = "path",

+        [UNIT_SLICE] = "slice",
+        [UNIT_SCOPE] = "scope"

 };
 
 DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType);
 };
 
 DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType);


@@ -51,6 +53,7 @@ DEFINE_STRING_TABLE_LOOKUP(unit_type, UnitType);
 static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
         [UNIT_STUB] = "stub",
         [UNIT_LOADED] = "loaded",
 static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
         [UNIT_STUB] = "stub",
         [UNIT_LOADED] = "loaded",

+        [UNIT_NOT_FOUND] = "not-found",

         [UNIT_ERROR] = "error",
         [UNIT_MERGED] = "merged",
         [UNIT_MASKED] = "masked"
         [UNIT_ERROR] = "error",
         [UNIT_MERGED] = "merged",
         [UNIT_MASKED] = "masked"


@@ -184,6 +187,7 @@ char *unit_name_change_suffix(const char *n, const char *suffix) {
         assert(n);
         assert(unit_name_is_valid(n, true));
         assert(suffix);
         assert(n);
         assert(unit_name_is_valid(n, true));
         assert(suffix);

+        assert(suffix[0] == '.');

 
         assert_se(e = strrchr(n, '.'));
         a = e - n;
 
         assert_se(e = strrchr(n, '.'));
         a = e - n;


@@ -401,7 +405,6 @@ char *unit_name_template(const char *f) {
 
         strcpy(mempcpy(r, f, a), e);
         return r;
 
         strcpy(mempcpy(r, f, a), e);
         return r;

-

 }
 
 char *unit_name_from_path(const char *path, const char *suffix) {
 }
 
 char *unit_name_from_path(const char *path, const char *suffix) {


@@ -453,7 +456,7 @@ char *unit_name_to_path(const char *name) {
 }
 
 char *unit_dbus_path_from_name(const char *name) {
 }
 
 char *unit_dbus_path_from_name(const char *name) {

-        char *e, *p;
+        _cleanup_free_ char *e = NULL;

 
         assert(name);
 
 
         assert(name);
 


@@ -461,24 +464,19 @@ char *unit_dbus_path_from_name(const char *name) {
         if (!e)
                 return NULL;
 
         if (!e)
                 return NULL;
 

-        p = strappend("/org/freedesktop/systemd1/unit/", e);
-        free(e);
-
-        return p;
+        return strappend("/org/freedesktop/systemd1/unit/", e);

 }
 
 char *unit_name_mangle(const char *name) {
         char *r, *t;
         const char *f;
 }
 
 char *unit_name_mangle(const char *name) {
         char *r, *t;
         const char *f;

-        bool dot = false;

 
         assert(name);
 
         /* Try to turn a string that might not be a unit name into a
          * sensible unit name. */
 
 
         assert(name);
 
         /* Try to turn a string that might not be a unit name into a
          * sensible unit name. */
 

-        if (path_startswith(name, "/dev/") ||
-            path_startswith(name, "/sys/"))
+        if (is_device_path(name))

                 return unit_name_from_path(name, ".device");
 
         if (path_is_absolute(name))
                 return unit_name_from_path(name, ".device");
 
         if (path_is_absolute(name))


@@ -492,10 +490,6 @@ char *unit_name_mangle(const char *name) {
                 return NULL;
 
         for (f = name, t = r; *f; f++) {
                 return NULL;
 
         for (f = name, t = r; *f; f++) {

-
-                if (*f == '.')
-                        dot = true;
-

                 if (*f == '/')
                         *(t++) = '-';
                 else if (!strchr("@" VALID_CHARS, *f))
                 if (*f == '/')
                         *(t++) = '-';
                 else if (!strchr("@" VALID_CHARS, *f))


@@ -504,7 +498,7 @@ char *unit_name_mangle(const char *name) {
                         *(t++) = *f;
         }
 
                         *(t++) = *f;
         }
 

-        if (!dot)
+        if (unit_name_to_type(name) < 0)

                 strcpy(t, ".service");
         else
                 *t = 0;
                 strcpy(t, ".service");
         else
                 *t = 0;


@@ -512,6 +506,38 @@ char *unit_name_mangle(const char *name) {
         return r;
 }
 
         return r;
 }
 

+char *unit_name_mangle_with_suffix(const char *name, const char *suffix) {
+        char *r, *t;
+        const char *f;
+
+        assert(name);
+        assert(suffix);
+        assert(suffix[0] == '.');
+
+        /* Similar to unit_name_mangle(), but is called when we know
+         * that this is about snapshot units. */
+
+        r = new(char, strlen(name) * 4 + strlen(suffix) + 1);
+        if (!r)
+                return NULL;
+
+        for (f = name, t = r; *f; f++) {
+                if (*f == '/')
+                        *(t++) = '-';
+                else if (!strchr(VALID_CHARS, *f))
+                        t = do_escape_char(*f, t);
+                else
+                        *(t++) = *f;
+        }
+
+        if (!endswith(name, suffix))
+                strcpy(t, suffix);
+        else
+                *t = 0;
+
+        return r;
+}
+

 UnitType unit_name_to_type(const char *n) {
         const char *e;
 
 UnitType unit_name_to_type(const char *n) {
         const char *e;