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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "file_hdr.h"
#include <string.h>
void file_hdr_create(file_hdr_t* dest, const uint32_t magic, const uint16_t version, const uint16_t fhdr_size_sblks,
const uint16_t efp_partition, const uint64_t file_size) {
rec_hdr_init(&dest->_rhdr, magic, version, 0, 0, 0);
dest->_fhdr_size_sblks = fhdr_size_sblks;
dest->_efp_partition = efp_partition;
dest->_reserved = 0;
dest->_data_size_kib = file_size;
dest->_fro = 0;
dest->_ts_nsec = 0;
dest->_ts_sec = 0;
dest->_file_number = 0;
dest->_queue_name_len = 0;
}
int file_hdr_init(void* dest, const uint64_t dest_len, const uint16_t uflag, const uint64_t serial, const uint64_t rid,
const uint64_t fro, const uint64_t file_number, const uint16_t queue_name_len, const char* queue_name) {
file_hdr_t* fhp = (file_hdr_t*)dest;
fhp->_rhdr._uflag = uflag;
fhp->_rhdr._serial = serial;
fhp->_rhdr._rid = rid;
fhp->_fro = fro;
fhp->_file_number = file_number;
if (sizeof(file_hdr_t) + queue_name_len < MAX_FILE_HDR_LEN) {
fhp->_queue_name_len = queue_name_len;
} else {
fhp->_queue_name_len = MAX_FILE_HDR_LEN - sizeof(file_hdr_t);
}
fhp->_queue_name_len = queue_name_len;
memcpy((char*)dest + sizeof(file_hdr_t), queue_name, queue_name_len);
memset((char*)dest + sizeof(file_hdr_t) + queue_name_len, 0, dest_len - sizeof(file_hdr_t) - queue_name_len);
return set_time_now(dest);
}
int file_hdr_check(file_hdr_t* hdr, const uint32_t magic, const uint16_t version, const uint64_t data_size_kib, const uint16_t max_queue_name_len) {
int err = rec_hdr_check_base(&hdr->_rhdr, magic, version);
if (data_size_kib && hdr->_data_size_kib != data_size_kib) err |= 0x1000;
if (hdr->_queue_name_len > max_queue_name_len) err |= 0x10000;
return err;
}
void file_hdr_copy(file_hdr_t* dest, const file_hdr_t* src) {
rec_hdr_copy(&dest->_rhdr, &src->_rhdr);
dest->_fhdr_size_sblks = src->_fhdr_size_sblks; // Should this be copied?
dest->_efp_partition = src->_efp_partition; // Should this be copied?
dest->_data_size_kib = src->_data_size_kib;
dest->_fro = src->_fro;
dest->_ts_sec = src->_ts_sec;
dest->_ts_nsec = src->_ts_nsec;
dest->_file_number = src->_file_number;
}
void file_hdr_reset(file_hdr_t* target) {
target->_rhdr._uflag = 0;
target->_rhdr._serial = 0;
target->_rhdr._rid = 0;
target->_fro = 0;
target->_ts_sec = 0;
target->_ts_nsec = 0;
target->_file_number = 0;
target->_queue_name_len = 0;
}
int is_file_hdr_reset(file_hdr_t* target) {
return target->_rhdr._uflag == 0 &&
target->_rhdr._serial == 0 &&
target->_rhdr._rid == 0 &&
target->_ts_sec == 0 &&
target->_ts_nsec == 0 &&
target->_file_number == 0 &&
target->_queue_name_len == 0;
}
int set_time_now(file_hdr_t *fh)
{
struct timespec ts;
int err = clock_gettime(CLOCK_REALTIME, &ts);
if (err)
return err;
fh->_ts_sec = ts.tv_sec;
fh->_ts_nsec = ts.tv_nsec;
return 0;
}
void set_time(file_hdr_t *fh, struct timespec *ts)
{
fh->_ts_sec = ts->tv_sec;
fh->_ts_nsec = ts->tv_nsec;
}
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