mirror of https://github.com/aria2/aria2
285 lines
8.9 KiB
C++
285 lines
8.9 KiB
C++
/* <!-- copyright */
|
|
/*
|
|
* aria2 - The high speed download utility
|
|
*
|
|
* Copyright (C) 2006 Tatsuhiro Tsujikawa
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
* In addition, as a special exception, the copyright holders give
|
|
* permission to link the code of portions of this program with the
|
|
* OpenSSL library under certain conditions as described in each
|
|
* individual source file, and distribute linked combinations
|
|
* including the two.
|
|
* You must obey the GNU General Public License in all respects
|
|
* for all of the code used other than OpenSSL. If you modify
|
|
* file(s) with this exception, you may extend this exception to your
|
|
* version of the file(s), but you are not obligated to do so. If you
|
|
* do not wish to do so, delete this exception statement from your
|
|
* version. If you delete this exception statement from all source
|
|
* files in the program, then also delete it here.
|
|
*/
|
|
/* copyright --> */
|
|
#ifndef _D_UTIL_H_
|
|
#define _D_UTIL_H_
|
|
|
|
#include "common.h"
|
|
|
|
#include <sys/time.h>
|
|
|
|
#include <string>
|
|
#include <utility>
|
|
#include <deque>
|
|
#include <iosfwd>
|
|
|
|
#include "SharedHandle.h"
|
|
#include "IntSequence.h"
|
|
#include "a2time.h"
|
|
#include "a2netcompat.h"
|
|
|
|
namespace aria2 {
|
|
|
|
class Randomizer;
|
|
class BitfieldMan;
|
|
class BinaryStream;
|
|
class FileEntry;
|
|
|
|
#define STRTOLL(X) strtoll(X, (char**)0, 10)
|
|
#define STRTOULL(X) strtoull(X, (char**)0, 10)
|
|
|
|
#define START_INDEX(OFFSET, PIECE_LENGTH) ((OFFSET)/(PIECE_LENGTH))
|
|
#define END_INDEX(OFFSET, LENGTH, PIECE_LENGTH) (((OFFSET)+(LENGTH)-1)/(PIECE_LENGTH))
|
|
|
|
#define DIV_FLOOR(X,Y) ((X)/(Y)+((X)%(Y)? 1:0))
|
|
|
|
#ifdef WORDS_BIGENDIAN
|
|
inline uint64_t ntoh64(uint64_t x) { return x; }
|
|
inline uint64_t hton64(uint64_t x) { return x; }
|
|
#else // !WORDS_BIGENDIAN
|
|
inline uint64_t byteswap64(uint64_t x) {
|
|
uint64_t v1 = ntohl(x & 0x00000000ffffffff);
|
|
uint64_t v2 = ntohl(x >> 32);
|
|
return (v1 << 32)|v2;
|
|
}
|
|
inline uint64_t ntoh64(uint64_t x) { return byteswap64(x); }
|
|
inline uint64_t hton64(uint64_t x) { return byteswap64(x); }
|
|
#endif // !WORDS_BIGENDIAN
|
|
|
|
class Util {
|
|
public:
|
|
static void split(std::pair<std::string, std::string>& hp,
|
|
const std::string& src, char delim);
|
|
|
|
static std::pair<std::string, std::string>
|
|
split(const std::string& src, const std::string& delims);
|
|
|
|
template<typename T>
|
|
static std::string uitos(T value, bool comma = false)
|
|
{
|
|
std::string str;
|
|
if(value == 0) {
|
|
str = "0";
|
|
return str;
|
|
}
|
|
unsigned int count = 0;
|
|
while(value) {
|
|
++count;
|
|
char digit = value%10+'0';
|
|
str.insert(str.begin(), digit);
|
|
value /= 10;
|
|
if(comma && count > 3 && count%3 == 1) {
|
|
str.insert(str.begin()+1, ',');
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
template<typename T>
|
|
static std::string itos(T value, bool comma = false)
|
|
{
|
|
bool flag = false;
|
|
if(value < 0) {
|
|
flag = true;
|
|
value = -value;
|
|
}
|
|
std::string str = uitos(value, comma);
|
|
if(flag) {
|
|
str.insert(str.begin(), '-');
|
|
}
|
|
return str;
|
|
}
|
|
|
|
/**
|
|
* Computes difference in micro-seconds between tv1 and tv2,
|
|
* assuming tv1 is newer than tv2.
|
|
* If tv1 is older than tv2, then this method returns 0.
|
|
*/
|
|
static int64_t difftv(struct timeval tv1, struct timeval tv2);
|
|
static int32_t difftvsec(struct timeval tv1, struct timeval tv2);
|
|
/**
|
|
* Take a string src which is a deliminated list and add its elements
|
|
* into result. result is not cleared before conversion begins.
|
|
*/
|
|
static void slice(std::deque<std::string>& result, const std::string& src,
|
|
char delim, bool trim = false);
|
|
|
|
static const std::string DEFAULT_TRIM_CHARSET;
|
|
|
|
static std::string trim(const std::string& src,
|
|
const std::string& trimCharset = DEFAULT_TRIM_CHARSET);
|
|
|
|
static void trimSelf(std::string& str,
|
|
const std::string& trimCharset = DEFAULT_TRIM_CHARSET);
|
|
|
|
static bool startsWith(const std::string& target, const std::string& part);
|
|
|
|
static bool endsWith(const std::string& target, const std::string& part);
|
|
|
|
static std::string replace(const std::string& target, const std::string& oldstr, const std::string& newstr);
|
|
|
|
static std::string urlencode(const unsigned char* target, size_t len);
|
|
|
|
static std::string urlencode(const std::string& target)
|
|
{
|
|
return urlencode((const unsigned char*)target.c_str(), target.size());
|
|
}
|
|
|
|
static bool inRFC3986ReservedChars(const char c);
|
|
|
|
static bool inRFC3986UnreservedChars(const char c);
|
|
|
|
static std::string urldecode(const std::string& target);
|
|
|
|
static std::string torrentUrlencode(const unsigned char* target, size_t len);
|
|
|
|
static std::string torrentUrlencode(const std::string& target)
|
|
{
|
|
return torrentUrlencode(reinterpret_cast<const unsigned char*>(target.c_str()),
|
|
target.size());
|
|
}
|
|
|
|
static std::string toHex(const unsigned char* src, size_t len);
|
|
|
|
static std::string toHex(const char* src, size_t len)
|
|
{
|
|
return toHex(reinterpret_cast<const unsigned char*>(src), len);
|
|
}
|
|
|
|
static std::string toHex(const std::string& src)
|
|
{
|
|
return toHex(reinterpret_cast<const unsigned char*>(src.c_str()), src.size());
|
|
}
|
|
|
|
static FILE* openFile(const std::string& filename, const std::string& mode);
|
|
|
|
static void fileCopy(const std::string& destFile, const std::string& src);
|
|
|
|
static void rangedFileCopy(const std::string& destFile, const std::string& src, off_t srcOffset, uint64_t length);
|
|
|
|
static bool isPowerOf(int num, int base);
|
|
|
|
static std::string secfmt(time_t sec);
|
|
|
|
static size_t expandBuffer(char** pbuf, size_t curLength, size_t newLength);
|
|
|
|
static void unfoldRange(const std::string& src, std::deque<int>& range);
|
|
|
|
static int32_t parseInt(const std::string& s, int32_t base = 10);
|
|
|
|
static uint32_t parseUInt(const std::string& s, int base = 10);
|
|
|
|
static int64_t parseLLInt(const std::string& s, int32_t base = 10);
|
|
|
|
static uint64_t parseULLInt(const std::string& s, int base = 10);
|
|
|
|
static IntSequence parseIntRange(const std::string& src);
|
|
|
|
// this function temporarily put here
|
|
static std::string getContentDispositionFilename(const std::string& header);
|
|
|
|
static unsigned int countBit(uint32_t n);
|
|
|
|
static std::string randomAlpha(size_t length,
|
|
const SharedHandle<Randomizer>& randomizer);
|
|
|
|
static std::string toUpper(const std::string& src);
|
|
|
|
static std::string toLower(const std::string& src);
|
|
|
|
static bool isNumbersAndDotsNotation(const std::string& name);
|
|
|
|
static void setGlobalSignalHandler(int signal, void (*handler)(int), int flags);
|
|
|
|
static void indexRange(size_t& startIndex, size_t& endIndex,
|
|
off_t offset,
|
|
size_t srcLength, size_t destLength);
|
|
|
|
static std::string getHomeDir();
|
|
|
|
static int64_t getRealSize(const std::string& sizeWithUnit);
|
|
|
|
static std::string abbrevSize(int64_t size);
|
|
|
|
/**
|
|
* Parses given httpTimeFormat and returns seconds ellapsed since epoc.
|
|
* The available format is "%a, %Y-%m-%d %H:%M:%S GMT".
|
|
* If specified date is later than "Tue, 2038-01-19 3:14:7 GMT",
|
|
* this function returns INT32_MAX.
|
|
* This function also cannot handle prior 1900-1-1 0:0:0 GMT.
|
|
* If parse operation is failed, then return -1.
|
|
*/
|
|
static time_t httpGMT(const std::string& httpTimeFormat);
|
|
|
|
static void toStream(std::ostream& os,
|
|
const std::deque<SharedHandle<FileEntry> >& entries);
|
|
|
|
static void sleep(long seconds);
|
|
|
|
static void usleep(long microseconds);
|
|
|
|
static bool isNumber(const std::string& what);
|
|
|
|
static bool isLowercase(const std::string& what);
|
|
|
|
static bool isUppercase(const std::string& what);
|
|
|
|
/**
|
|
* Converts alphabets to unsigned int, assuming alphabets as a base 26
|
|
* integer and 'a' or 'A' is 0.
|
|
* This function assumes alphabets includes only a-z.
|
|
* Upper case are allowed but all letters must be upper case.
|
|
* If overflow occurs, returns 0.
|
|
*/
|
|
static unsigned int alphaToNum(const std::string& alphabets);
|
|
|
|
static void mkdirs(const std::string& dirpath);
|
|
|
|
static void convertBitfield(BitfieldMan* dest, const BitfieldMan* src);
|
|
|
|
// binaryStream has to be opened before calling this function.
|
|
static std::string toString(const SharedHandle<BinaryStream>& binaryStream);
|
|
|
|
#ifdef HAVE_POSIX_MEMALIGN
|
|
static void* allocateAlignedMemory(size_t alignment, size_t size);
|
|
#endif // HAVE_POSIX_MEMALIGN
|
|
|
|
static std::pair<std::string, uint16_t>
|
|
getNumericNameInfo(const struct sockaddr* sockaddr, socklen_t len);
|
|
};
|
|
|
|
} // namespace aria2
|
|
|
|
#endif // _D_UTIL_H_
|