From 4c1d58b509c83ff788fe1ad6b5bdd1073977622c Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Tue, 29 Jun 2021 00:16:10 +0000
Subject:  Some work on the db representation

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 src/include-local/db.h | 114 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 src/include-local/db.h

(limited to 'src/include-local/db.h')

diff --git a/src/include-local/db.h b/src/include-local/db.h
new file mode 100644
index 0000000..a937e7a
--- /dev/null
+++ b/src/include-local/db.h
@@ -0,0 +1,114 @@
+/* ISC license. */
+
+#ifndef S6RCD_SERVICE_H
+#define S6RCD_SERVICE_H
+
+#include <stdint.h>
+
+
+ /* Service types and db representation in memory */
+
+#define S6RC_INSTANCES_MAX 0xffffffU
+#define S6RC_INSTANCEPARAM_MAXLEN 0xffffffU
+
+typedef enum s6rc_stype_e s6rc_stype_t, *s6rc_stype_t_ref ;
+enum s6rc_stype_e
+{
+  S6RC_STYPE_LONGRUN,
+  S6RC_STYPE_ONESHOT,
+  S6RC_STYPE_EXTERNAL,
+  S6RC_STYPE_BUNDLE,
+  S6RC_STYPE_VIRTUAL,
+  S6RC_STYPE_PHAIL
+} ;
+
+
+typedef struct s6rc_baseid_s s6rc_baseid_t, *s6rc_baseid_t_ref ;
+struct s6rc_baseid_s
+{
+  uint32_t i ;
+  s6rc_stype_t stype ;
+} ;
+
+typedef struct s6rc_id_s s6rc_id_t, *s6rc_id_t_ref ;
+struct s6rc_id_s
+{
+  char const *param ;
+  s6rc_baseid_t baseid ;
+} ;
+
+typedef struct s6rc_common_s s6rc_common_t, *s6rc_common_t_ref ;
+struct s6rc_common_s
+{
+  uint32_t name ;
+  uint32_t deps[2] ;
+  uint32_t ndeps[2] ;
+  uint32_t flag_essential : 1 ;
+  uint32_t flags : 31 ;
+} ;
+
+typedef struct s6rc_atomic_s s6rc_atomic_t, *s6rc_atomic_t_ref ;
+struct s6rc_atomic_s
+{
+  s6rc_common_t common ;
+  uint32_t timeout[2] ;
+} ;
+
+typedef struct s6rc_oneshot_s s6rc_oneshot_t, *s6rc_oneshot_t_ref ;
+struct s6rc_oneshot_s
+{
+  s6rc_atomic_t satomic ;
+  uint32_t argc[2] ;
+  uint32_t argv[2] ;
+} ;
+
+typedef struct s6rc_longrun_s s6rc_longrun_t, *s6rc_longrun_t_ref ;
+struct s6rc_longrun_s
+{
+  s6rc_atomic_t satomic ;
+  s6rc_sid_t consumer ;
+  uint32_t nproducers ;
+  uint32_t producers ;
+} ;
+
+typedef struct s6rc_external_s s6rc_external_t, *s6rc_external_t_ref ;
+struct s6rc_external_s
+{
+  s6rc_common_t common ;
+} ;
+
+typedef struct s6rc_bundle_s s6rc_bundle_t, *s6rc_bundle_t_ref ;
+struct s6rc_bundle_s
+{
+  s6rc_common_t common ;
+  uint32_t ncontents ;
+  uint32_t contents ;
+} ;
+
+typedef struct s6rc_deptype_s s6rc_deptype_t, *s6rc_deptype_t_ref ;
+struct s6rc_deptype_s
+{
+  uint8_t passive : 1 ;
+  uint8_t soft : 1 ;
+  uint8_t loose : 1 ;
+} ;
+
+typedef struct s6rc_db_s s6rc_db_t, *s6rc_db_t_ref ;
+struct s6rc_db_s
+{
+  uint32_t n[STYPE_PHAIL << 1] ;
+  s6rc_longrun_t *longruns ;
+  s6rc_oneshot_t *oneshots ;
+  s6rc_external_t *externals ;
+  s6rc_bundle_t *bundles ;
+  s6rc_bundle_t *virtuals ;
+  s6rc_baseid_t *deps[2] ;
+  s6rc_deptype_t *deptypes[2] ;
+  s6rc_baseid_t *producers ;
+  char const **argvs ;
+  char *storage ;
+} ;
+
+extern s6rc_common_t const *s6rc_service_common (s6rc_db_t const *, s6rc_sid_t const *) ;
+
+#endif
-- 
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