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Re: [Lost] [Patch] [1/4] Service-Manager
Hier eine korrigierte Version des Service-Managers
Index: trunk/src/modules/servmgr/Makefile.all
===================================================================
--- /dev/null
+++ trunk/src/modules/servmgr/Makefile.all
@@ -0,0 +1,6 @@
+shopt -s extglob
+source $LOST_BUILDMK_ROOT/config.sh
+
+echo "LD $1/modules/servmgr"
+$LOST_TOOLS_LD -Ttext=0x40000000 -oservmgr.mod *.o --start-group $2 --end-group
+$LOST_TOOLS_STRIP -s servmgr.mod -o $1/modules/servmgr
Index: trunk/src/modules/servmgr/config.c
===================================================================
--- /dev/null
+++ trunk/src/modules/servmgr/config.c
@@ -0,0 +1,237 @@
+/*
+ * Copyright (c) 2008 The LOST Project. All rights reserved.
+ *
+ * This code is derived from software contributed to the LOST Project
+ * by Antoine Kaufmann.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the LOST Project
+ * and its contributors.
+ * 4. Neither the name of the LOST Project nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <syscall.h>
+#include <string.h>
+#include <dir.h>
+#include <assert.h>
+#include <collections.h>
+#include <sleep.h>
+#include "servmgr.h"
+
+static list_t* config_list;
+char* full_config_path;
+
+/**
+ * Dateiinhalt auslesen und den Angegebenen Pointer auf einen Buffer mit dem
+ * Inhalt setzen. Wenn die Datei nicht geoeffnet werden konnte, wird er auf
+ * NULL gesetzt.
+ *
+ * @param path Pfad zur Datei
+ * @param dest Pointer auf den Pointer, er gesetzt werden soll
+ */
+static void config_read_file(const char* path, char** ptr)
+{
+ FILE* f = fopen(path, "r");
+ if (!f) {
+ *ptr = NULL;
+ } else {
+ // FIXME: Das koennte man noch etwas eleganter loesen ;-)
+ char buffer[513];
+ size_t size;
+
+ size = fread(buffer, 1, sizeof(buffer) - 1, f);
+ buffer[size] = 0;
+
+ // Einen eventuellen Zeilenumbruch entfernen
+ if (buffer[size - 1] == '\n') {
+ buffer[size - 1] = 0;
+ }
+
+ *ptr = strdup(buffer);
+ assert(*ptr != NULL);
+
+ fclose(f);
+ }
+}
+
+/**
+ * Datei mit Abhaengigkeiten fuer einen Service einlesen
+ *
+ * @param path Pfad zur Datei
+ * @param conf_serv Pointer auf die Kofigurationstruktur
+ */
+static void config_parse_deps(const char* path,
+ struct config_service* conf_serv)
+{
+ struct config_service* dep;
+ FILE* f;
+ char buffer[33];
+
+ conf_serv->deps = list_create();
+
+ f = fopen(path, "r");
+ if (!f) {
+ return;
+ }
+
+ // FIXME: Das koennte man noch etwas eleganter loesen ;-)
+ while (fgets(buffer, sizeof(buffer), f)) {
+ dep = config_service_get(buffer);
+ if (dep == NULL) {
+ printf("servmgr: Service %s haengt ab von %s; Dieser ist aber "
+ "nicht vorhanden in der Konfiguration!\n", conf_serv->name,
+ buffer);
+ continue;
+ }
+
+ list_push(conf_serv->deps, dep);
+ }
+}
+
+/**
+ * Datei mit Konfiguration fuer einen Service einlesen
+ *
+ * @param path Pfad zur Datei
+ * @param conf_serv Pointer auf die Kofigurationstruktur
+ */
+static void config_parse_conf(const char* path,
+ struct config_service* conf_serv)
+{
+ FILE* f;
+ char buffer[33];
+
+ conf_serv->conf.no_wait = FALSE;
+
+ f = fopen(path, "r");
+ if (!f) {
+ return;
+ }
+
+ // FIXME: Das koennte man noch etwas eleganter loesen ;-)
+ while (fgets(buffer, sizeof(buffer), f)) {
+ if (!strcmp(buffer, "nowait")) {
+ conf_serv->conf.no_wait = TRUE;
+ }
+ }
+}
+
+
+/**
+ * Konfigurationsverzeichnis parsen
+ *
+ * @param dir Verzeichnis-Handle
+ *
+ * @return TRUE wenn erfolgreich abgeschlossen wurde, FALSE sonst.
+ */
+static bool config_dir_parse(io_resource_t* dir)
+{
+ io_direntry_t* entry;
+ struct config_service* conf_serv;
+ int i;
+
+ config_list = list_create();
+
+ // In einem ersten Schritt werden alle Servicenamen eingelesen
+ while ((entry = directory_read(dir))) {
+ // Alles was nicht Verzeichnis ist, wird uebersprungen
+ if ((entry->type != IO_DIRENTRY_DIR) || (entry->name[1] == '.')) {
+ free(entry);
+ continue;
+ }
+
+ // Service in der Liste eintragen
+ conf_serv = malloc(sizeof(*conf_serv));
+ assert(conf_serv != NULL);
+
+ // Namen setzen
+ assert(asprintf(&conf_serv->name, "%s", entry->name) != -1);
+
+ list_push(config_list, conf_serv);
+
+ free(entry);
+ }
+
+ // In einem zweiten schritt werden die Befehle zum Starten und die
+ // Abhaengigkeiten eingetragen
+ for (i = 0; (conf_serv = list_get_element_at(config_list, i)); i++) {
+ char* cmd_path;
+ char* deps_path;
+ char* conf_path;
+
+ assert(asprintf(&cmd_path, "%s/%s/cmd", full_config_path, conf_serv->
+ name) != -1);
+ assert(asprintf(&deps_path, "%s/%s/deps", full_config_path, conf_serv->
+ name) != -1);
+ assert(asprintf(&conf_path, "%s/%s/conf", full_config_path,
+ conf_serv->name) != -1);
+
+ config_read_file(cmd_path, &conf_serv->start_cmd);
+ config_parse_deps(deps_path, conf_serv);
+ config_parse_conf(conf_path, conf_serv);
+ free(deps_path);
+ free(cmd_path);
+ }
+
+ return TRUE;
+}
+
+
+bool config_read()
+{
+ const char* config_path = "/config/servmgr";
+ io_resource_t* dir;
+ bool result;
+
+ assert(asprintf(&full_config_path, "%s%s", root_dir, config_path) != -1);
+
+ // Verzeichnis mit der Konfiguration oeffnen
+ dir = directory_open(full_config_path);
+ if (!dir) {
+ printf("servmgr: Konnte Konfigurationsverzeichnis nicht oeffnen: '%s'",
+ full_config_path);
+ return FALSE;
+ }
+
+ result = config_dir_parse(dir);
+ directory_close(dir);
+ return result;
+}
+
+struct config_service* config_service_get(const char* name)
+{
+ struct config_service* conf_serv;
+ int i;
+
+ for (i = 0; (conf_serv = list_get_element_at(config_list, i)); i++) {
+ if (!strcmp(name, conf_serv->name)) {
+ return conf_serv;
+ }
+ }
+ return NULL;
+}
Index: trunk/src/modules/servmgr/main.c
===================================================================
--- /dev/null
+++ trunk/src/modules/servmgr/main.c
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2008 The LOST Project. All rights reserved.
+ *
+ * This code is derived from software contributed to the LOST Project
+ * by Antoine Kaufmann.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the LOST Project
+ * and its contributors.
+ * 4. Neither the name of the LOST Project nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+#include <syscall.h>
+#include <collections.h>
+#include <unistd.h>
+#define _USE_START_
+#include <init.h>
+#undef _USE_START_
+
+#include "servmgr.h"
+
+bool service_running(const char* name);
+bool service_wait(const char* name, uint32_t timeout);
+
+const char* root_dir = "file:/";
+bool config_done = FALSE;
+
+// Liste mit den Services die gestartet werden muessen, bevor die Konfiguration
+// ausgelesen werden kann, die Services werden daraus geloescht, sobald sie
+// laufen
+list_t* startup_services;
+
+/**
+ * Parameter fuer den Programmaufruf verarbeiten
+ *
+ * @param argc Anzahl der Parameter
+ * @param argv Pointer auf die Argumente
+ */
+static void parse_params(int argc, char* argv[])
+{
+ int i;
+
+ if (argc > 1) {
+ // Der erste Parameter ist wie unten beschreiben das Root-Verzeichnis
+ root_dir = argv[1];
+ chdir(root_dir);
+
+ // Die weiteren sind Services auf die gewartet werden muss.
+ startup_services = list_create();
+ for (i = 2; i < argc; i++) {
+ list_push(startup_services, argv[i]);
+ }
+ } else {
+ puts("servmgr: Bitte Rootverzeichnis als ersten Parameter angeben!");
+ exit(-1);
+ }
+}
+
+/**
+ * Auf Statup-Services warten
+ *
+ * @return TRUE wenn alle gestartet werden konnten, FALSE sonst.
+ */
+static bool wait_startup_services()
+{
+ const char* service;
+ int i;
+ uint64_t timeout = get_tick_count() +
+ (uint64_t) list_size(startup_services) * 5000000;
+
+ // Alle Startupservices abarbeiten und sie aus der Liste loeschen sobald sie
+ // laufen
+ while ((list_size(startup_services) > 0) && (timeout > get_tick_count())) {
+ for (i = 0; (service = list_get_element_at(startup_services, i)); i++) {
+ if (service_running(service)) {
+ list_remove(startup_services, i--);
+ }
+ }
+ }
+
+ return (list_size(startup_services) == 0);
+}
+
+/**
+ * Startup-Services anzeigen, die nicht gestartet wurden.
+ */
+static void failed_startup_services()
+{
+ const char* service;
+ int i;
+
+ for (i = 0; (service = list_get_element_at(startup_services, i)); i++) {
+ printf("Service '%s' laeuft nicht!\n", service);
+ }
+}
+
+/**
+ * Hauptfunktion
+ *
+ * Vorgesehene Parameter fuer den Programmaufruf:
+ * - Root-Verzeichnis (Konfiguration in $ROOT/config/servmgr/)
+ * - Services auf die gewartet werden muss
+ */
+int main(int argc, char* argv[])
+{
+ // Parameter verarbeiten
+ parse_params(argc, argv);
+
+ // RPC-Interface vorbereiten
+ rpcif_init();
+
+ // Auf startup-services warten
+ if (!wait_startup_services()) {
+ failed_startup_services();
+ return EXIT_FAILURE;
+ }
+
+ // Konfiguration einlesen
+ if (!config_read()) {
+ return EXIT_FAILURE;
+ }
+ config_done = TRUE;
+
+ // Services starten
+ service_start("default");
+
+ while (TRUE) {
+ wait_for_rpc();
+ }
+}
+
Index: trunk/src/modules/servmgr/rpcif.c
===================================================================
--- /dev/null
+++ trunk/src/modules/servmgr/rpcif.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2008 The LOST Project. All rights reserved.
+ *
+ * This code is derived from software contributed to the LOST Project
+ * by Antoine Kaufmann.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the LOST Project
+ * and its contributors.
+ * 4. Neither the name of the LOST Project nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <syscall.h>
+#include <rpc.h>
+#include <string.h>
+#include <stdio.h>
+#include <init.h>
+#include "servmgr.h"
+
+static void rpc_needserv(pid_t pid, dword cid, size_t data_size, void* data);
+
+
+void rpcif_init()
+{
+ register_message_handler("NEEDSERV", rpc_needserv);
+ init_service_register("servmgr");
+}
+
+/**
+ * RPC um einen Service zu startem. Falls servmgr noch nicht konfiguriert ist,
+ * wird einfach gewartet, bis der Dienst laeuft.
+ */
+static void rpc_needserv(pid_t pid, dword cid, size_t data_size, void* data)
+{
+ char* name = data;
+ bool result;
+
+ // Pruefen ob der Name nullterminiert ist
+ if (name[data_size] != 0) {
+ rpc_send_dword_response(pid, cid, 0);
+ return;
+ }
+
+ if (config_done) {
+ result = service_start(name);
+ } else {
+ // Noch nicht konfiguriert. Jetzt bleibt nur hoffen, dass der Dienst
+ // schon geladen wurde, sich aber noch nicht registriert hat.
+ result = service_wait(name, 10000);
+ }
+
+ rpc_send_dword_response(pid, cid, result);
+}
+
Index: trunk/src/modules/servmgr/service.c
===================================================================
--- /dev/null
+++ trunk/src/modules/servmgr/service.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2008 The LOST Project. All rights reserved.
+ *
+ * This code is derived from software contributed to the LOST Project
+ * by Antoine Kaufmann.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the LOST Project
+ * and its contributors.
+ * 4. Neither the name of the LOST Project nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+#include <syscall.h>
+#include <init.h>
+#include <collections.h>
+
+#include "servmgr.h"
+
+/**
+ * Pid eines Services anhand seines Namens finden
+ *
+ * @param name Name
+ *
+ * @return Pid
+ */
+pid_t service_pid(const char* name)
+{
+ // FIXME init_service_get sollte ein const haben
+ return init_service_get((char*) name);
+}
+
+/**
+ * Pruefen ob ein Service laeuft
+ *
+ * @param name Name
+ *
+ * @return TRUE wenn er laeuft, FALSE sonst
+ */
+bool service_running(const char* name)
+{
+ return (service_pid(name) != 0);
+}
+
+/**
+ * Warten bis der Service laeuft
+ *
+ * @param name Name
+ * @param timeout Anzahl der Millisekunden die gewartet werden soll, bis
+ * aufgegeben wird
+ *
+ * @return TRUE wenn der Service laeuft
+ */
+bool service_wait(const char* name, uint32_t timeout)
+{
+ uint64_t end = get_tick_count() + timeout * 1000;
+ bool running;
+
+ while (!(running = service_running(name)) && (end > get_tick_count())) {
+ yield();
+ }
+
+ return running;
+}
+
+/**
+ * Service aus der Konfiguration starten, mit Beruecksichtigung der
+ * Abhaengigkeiten
+ *
+ * @param name Name des Services
+ *
+ * @return TRUE wenn der Service gestartet werden konnte, FALSE sonst
+ */
+bool service_start(const char* name)
+{
+ struct config_service* conf_serv = config_service_get(name);
+ struct config_service* dep;
+ int i;
+
+ if (service_running(name)) {
+ return TRUE;
+ }
+
+ if (!conf_serv) {
+ printf("servmgr: Service nicht gefunden: %s\n", name);
+ return FALSE;
+ }
+
+ // Abhaengigkeiten starten
+ for (i = 0; (dep = list_get_element_at(conf_serv->deps, i)); i++) {
+ if (!service_start(dep->name)) {
+ printf("servmgr: Konnte die Abhaengigkeit von %s nicht erfuellen. "
+ "%s kann deshalb nicht gestartet werden.\n", dep->name, name);
+ return FALSE;
+ }
+ }
+
+ if (conf_serv->start_cmd) {
+ init_execute(conf_serv->start_cmd);
+ if (!conf_serv->conf.no_wait && !service_wait(name, 10000)) {
+ printf("servmgr: Timeout beim Warten auf den Service %s\n", name);
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
Index: trunk/src/modules/servmgr/servmgr.h
===================================================================
--- /dev/null
+++ trunk/src/modules/servmgr/servmgr.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2008 The LOST Project. All rights reserved.
+ *
+ * This code is derived from software contributed to the LOST Project
+ * by Antoine Kaufmann.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the LOST Project
+ * and its contributors.
+ * 4. Neither the name of the LOST Project nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <types.h>
+#include <collections.h>
+#include <stdint.h>
+
+extern const char* root_dir;
+extern bool config_done;
+
+
+/**
+ * PID eines Services
+ *
+ * @param name Name des Services
+ *
+ * @return PID wenn der Service Laeuft, 0 sonst
+ */
+pid_t service_pid(const char* name);
+
+/**
+ * Pruefen ob ein bestimmter Service laeuft.
+ *
+ * @param name Name des Services
+ *
+ * @return TRUE wenn er laeuft, FALSE sonst
+ */
+bool service_running(const char* name);
+
+/**
+ * Warten bis ein bestimmter Service gestartet wurde.
+ *
+ * @param name Service Name
+ * @param timeout Timeout in Millisekunden
+ *
+ * @return TRUE wenn der Service innerhalb dieser Zeit gestartet wurde oder
+ * schon lief, FALSE sonst.
+ */
+bool service_wait(const char* name, uint32_t timeout);
+
+/**
+ * Service starten
+ *
+ * @param name Service Name
+ *
+ * @return TRUE wenn der Service erfolgreich gestartet wurde, FALSE sonst
+ */
+bool service_start(const char* name);
+
+
+
+/**
+ * Konfiguration eines Dienstes
+ */
+struct config_service {
+ char* name;
+ char* start_cmd;
+ list_t* deps;
+
+ struct {
+ bool no_wait;
+ } conf;
+};
+
+/**
+ * Konfiguration der Services einlesen
+ */
+bool config_read();
+
+/**
+ * Konfiguration fuer einen Service holen
+ */
+struct config_service* config_service_get(const char* name);
+
+
+
+/**
+ * RPC-Interface initialisieren
+ */
+void rpcif_init();