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authorDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-02-25 14:33:19 +0100
committerDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-03-24 17:04:20 +0100
commit9a88f7da453eadc72d8f333700dbd80777feecd1 (patch)
tree8a096e37123ece1d20bcb4d0ae8e064bdd39747a /lib/include
Initial commit
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
Diffstat (limited to 'lib/include')
-rw-r--r--lib/include/service.h62
-rw-r--r--lib/include/telinit.h20
-rw-r--r--lib/include/util.h58
3 files changed, 140 insertions, 0 deletions
diff --git a/lib/include/service.h b/lib/include/service.h
new file mode 100644
index 0000000..eb92d85
--- /dev/null
+++ b/lib/include/service.h
@@ -0,0 +1,62 @@
+#ifndef SERVICE_H
+#define SERVICE_H
+
+#include <sys/types.h>
+
+enum {
+ SVC_ONCE = 0,
+ SVC_WAIT,
+ SVC_RESPAWN,
+};
+
+enum {
+ TGT_BOOT = 0,
+ TGT_SHUTDOWN,
+ TGT_REBOOT,
+ TGT_CAD,
+
+ TGT_MAX
+};
+
+typedef struct service_t {
+ int type; /* SVC_* service type */
+ int target; /* TGT_* service target */
+ char *name; /* canonical service name */
+ char *desc; /* description string */
+ char **exec; /* command lines to execute */
+ size_t num_exec; /* number of command lines */
+ char *ctty; /* controlling tty or log file */
+
+ char **before;
+ size_t num_before;
+ char **after;
+ size_t num_after;
+
+ pid_t pid;
+ int status; /* process exit status */
+
+ struct service_t *next;
+} service_t;
+
+typedef struct {
+ service_t *targets[TGT_MAX];
+} service_list_t;
+
+/*
+ Read a service from a file.
+*/
+service_t *rdsrv(int dirfd, const char *filename);
+
+void delsrv(service_t *srv);
+
+int srvscan(const char *directory, service_list_t *list);
+
+void del_srv_list(service_list_t *list);
+
+/*
+ Sort a list of services by dependencies.
+*/
+service_t *srv_tsort(service_t *list);
+
+#endif /* SERVICE_H */
+
diff --git a/lib/include/telinit.h b/lib/include/telinit.h
new file mode 100644
index 0000000..72ad871
--- /dev/null
+++ b/lib/include/telinit.h
@@ -0,0 +1,20 @@
+#ifndef TELINIT_H
+#define TELINIT_H
+
+#include "config.h"
+
+#define INITSOCK SOCKDIR "/" "initd.socket"
+
+enum {
+ TI_SHUTDOWN = 1,
+ TI_REBOOT = 2,
+};
+
+typedef struct {
+ int type;
+} ti_msg_t;
+
+int opensock(void);
+
+#endif /* TELINIT_H */
+
diff --git a/lib/include/util.h b/lib/include/util.h
new file mode 100644
index 0000000..bed2ba7
--- /dev/null
+++ b/lib/include/util.h
@@ -0,0 +1,58 @@
+#ifndef UTIL_H
+#define UTIL_H
+
+#include <sys/types.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "config.h"
+
+#ifdef __GNUC__
+ #define NORETURN __attribute__((noreturn))
+#endif
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+typedef struct {
+ const char *name;
+ int value;
+} enum_map_t;
+
+
+/*
+ Read from fd until end-of-file or a line feed is encountered.
+
+ Returns NULL with errno set on failure. Returns NULL with errno
+ cleared if end-of-file is reached.
+
+ The line must be deallocated with free().
+*/
+char *rdline(int fd);
+
+/*
+ Split a line of the shape "key = value" into key and value part.
+
+ The key can contain alphanumeric characters and can be padded with
+ spaces or tabs.
+
+ The value can be either a sequence of alphanumeric characters, period
+ or underscore OR a string in quotation marks. For strings, the
+ quotation marks are removed and escape sequences are processed.
+
+ The value may also be padded with spaces or tabs but the line may not
+ contain anything else after the value, except for spaces, tabs or
+ the '#' symbol which is interpreted as start of a comment.
+*/
+int splitkv(char *line, char **key, char **value);
+
+/*
+ Search through an array of enum_map_t entries to resolve a string to
+ a numeric value. The end of the map is indicated by a sentinel entry
+ with the name set to NULL.
+*/
+const enum_map_t *enum_by_name(const enum_map_t *map, const char *name);
+
+char *strexpand(const char *inp, size_t argc, const char *const *argv);
+
+#endif /* UTIL_H */
+