147 lines
3.3 KiB
C
147 lines
3.3 KiB
C
/**
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* Copyright (C) 2008 Happy Fish / YuQing
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*
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* FastDFS may be copied only under the terms of the GNU General
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* Public License V3, which may be found in the FastDFS source kit.
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* Please visit the FastDFS Home Page http://www.fastken.com/ for more detail.
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**/
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#include <time.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <netinet/in.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "fastcommon/logger.h"
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#include "fdfs_global.h"
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Version g_fdfs_version = {6, 10, 0};
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bool g_use_connection_pool = false;
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ConnectionPool g_connection_pool;
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int g_connection_pool_max_idle_time = 3600;
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/*
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data filename format:
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HH/HH/filename: HH for 2 uppercase hex chars
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*/
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int fdfs_check_data_filename(const char *filename, const int len)
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{
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if (len < 6)
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{
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logError("file: "__FILE__", line: %d, " \
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"the length=%d of filename \"%s\" is too short", \
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__LINE__, len, filename);
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return EINVAL;
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}
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if (!IS_UPPER_HEX(*filename) || !IS_UPPER_HEX(*(filename+1)) || \
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*(filename+2) != '/' || \
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!IS_UPPER_HEX(*(filename+3)) || !IS_UPPER_HEX(*(filename+4)) || \
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*(filename+5) != '/')
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{
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logError("file: "__FILE__", line: %d, " \
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"the format of filename \"%s\" is invalid", \
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__LINE__, filename);
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return EINVAL;
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}
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if (strchr(filename + 6, '/') != NULL)
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{
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logError("file: "__FILE__", line: %d, " \
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"the format of filename \"%s\" is invalid", \
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__LINE__, filename);
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return EINVAL;
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}
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return 0;
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}
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int fdfs_gen_slave_filename(const char *master_filename, \
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const char *prefix_name, const char *ext_name, \
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char *filename, int *filename_len)
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{
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char true_ext_name[FDFS_FILE_EXT_NAME_MAX_LEN + 2];
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char *pDot;
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int master_file_len;
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master_file_len = strlen(master_filename);
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if (master_file_len < 28 + FDFS_FILE_EXT_NAME_MAX_LEN)
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{
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logError("file: "__FILE__", line: %d, " \
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"master filename \"%s\" is invalid", \
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__LINE__, master_filename);
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return EINVAL;
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}
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pDot = strchr(master_filename + (master_file_len - \
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(FDFS_FILE_EXT_NAME_MAX_LEN + 1)), '.');
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if (ext_name != NULL)
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{
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if (*ext_name == '\0')
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{
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*true_ext_name = '\0';
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}
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else if (*ext_name == '.')
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{
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snprintf(true_ext_name, sizeof(true_ext_name), \
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"%s", ext_name);
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}
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else
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{
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snprintf(true_ext_name, sizeof(true_ext_name), \
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".%s", ext_name);
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}
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}
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else
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{
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if (pDot == NULL)
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{
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*true_ext_name = '\0';
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}
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else
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{
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strcpy(true_ext_name, pDot);
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}
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}
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if (*true_ext_name == '\0' && strcmp(prefix_name, "-m") == 0)
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{
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logError("file: "__FILE__", line: %d, " \
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"prefix_name \"%s\" is invalid", \
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__LINE__, prefix_name);
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return EINVAL;
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}
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/* when prefix_name is empty, the extension name of master file and
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slave file can not be same
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*/
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if ((*prefix_name == '\0') && ((pDot == NULL && *true_ext_name == '\0')
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|| (pDot != NULL && strcmp(pDot, true_ext_name) == 0)))
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{
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logError("file: "__FILE__", line: %d, " \
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"empty prefix_name is not allowed", __LINE__);
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return EINVAL;
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}
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if (pDot == NULL)
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{
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*filename_len = sprintf(filename, "%s%s%s", master_filename, \
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prefix_name, true_ext_name);
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}
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else
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{
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*filename_len = pDot - master_filename;
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memcpy(filename, master_filename, *filename_len);
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*filename_len += sprintf(filename + *filename_len, "%s%s", \
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prefix_name, true_ext_name);
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}
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return 0;
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}
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