OpenDNSSEC-signer 1.2.1
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00001 /* 00002 * $Id: task.h 4294 2011-01-13 19:58:29Z jakob $ 00003 * 00004 * Copyright (c) 2009 NLNet Labs. All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 1. Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * 00015 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 00016 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00017 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00018 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 00019 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00020 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00021 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 00023 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00024 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 00025 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 * 00027 */ 00028 00034 #ifndef SCHEDULER_TASK_H 00035 #define SCHEDULER_TASK_H 00036 00037 #include "config.h" 00038 #include "scheduler/locks.h" 00039 00040 #include <stdio.h> 00041 #include <time.h> 00042 00043 #ifdef HAVE_SYS_TYPES_H 00044 # include <sys/types.h> 00045 #endif 00046 #ifdef HAVE_UNISTD_H 00047 # include <unistd.h> 00048 #endif 00049 00050 #include <ldns/ldns.h> 00051 00052 struct zone_struct; 00053 00054 enum task_id_enum { 00055 TASK_NONE = 0, 00056 TASK_READ, 00057 TASK_ADDKEYS, 00058 TASK_UPDATE, 00059 TASK_NSECIFY, 00060 TASK_SIGN, 00061 TASK_AUDIT, 00062 TASK_WRITE 00063 }; 00064 typedef enum task_id_enum task_id; 00065 00069 typedef struct task_struct task_type; 00070 struct task_struct { 00071 task_id what; 00072 time_t when; 00073 time_t backoff; 00074 const char* who; 00075 ldns_rdf* dname; 00076 struct zone_struct* zone; 00077 int flush; 00078 }; 00079 00083 typedef struct tasklist_struct tasklist_type; 00084 struct tasklist_struct { 00085 ldns_rbtree_t* tasks; 00086 int loading; 00087 lock_basic_type tasklist_lock; 00088 }; 00089 00099 task_type* task_create(int what, time_t when, const char* who, 00100 struct zone_struct* zone); 00101 00109 task_type* task_recover_from_backup(const char* filename, 00110 struct zone_struct* zone); 00111 00117 void task_backup(task_type* task); 00118 00124 void task_cleanup(task_type* task); 00125 00133 int task_compare(const void* a, const void* b); 00134 00142 char* task2str(task_type* task, char* buftask); 00143 00150 void task_print(FILE* out, task_type* task); 00151 00158 tasklist_type* tasklist_create(void); 00159 00165 void tasklist_cleanup(tasklist_type* list); 00166 00173 void tasklist_flush(tasklist_type* list, task_id what); 00174 00183 task_type* tasklist_schedule_task(tasklist_type* list, task_type* task, int log); 00184 00192 task_type* 00193 tasklist_delete_task(tasklist_type* list, task_type* task); 00194 00201 task_type* tasklist_pop_task(tasklist_type* list); 00202 00209 task_type* tasklist_first_task(tasklist_type* list); 00210 00217 void tasklist_print(FILE* out, tasklist_type* list); 00218 00219 #endif /* SCHEDULER_TASK_H */