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00021 #ifndef HYPERTABLE_FDUTILS_H
00022 #define HYPERTABLE_FDUTILS_H
00023
00024 extern "C" {
00025 #include <sys/socket.h>
00026 #include <sys/types.h>
00027 }
00028 #include "Common/String.h"
00029
00030 namespace Hypertable {
00031
00032 class FileUtils {
00033
00034 public:
00035 static ssize_t read(const String &fname, String &contents);
00036 static ssize_t read(int fd, void *vptr, size_t n);
00037 static ssize_t pread(int fd, void *vptr, size_t n, off_t offset);
00038 static ssize_t write(const String &fname, String &contents);
00039 static ssize_t write(int fd, const void *vptr, size_t n);
00040 static ssize_t writev(int fd, const struct iovec *vector, int count);
00041 static ssize_t sendto(int fd, const void *vptr, size_t n,
00042 const sockaddr *to, socklen_t tolen);
00043 static ssize_t send(int fd, const void *vptr, size_t n);
00044 static ssize_t recvfrom(int fd, void *vptr, size_t n,
00045 struct sockaddr *from, socklen_t *fromlen);
00046 static ssize_t recv(int fd, void *vptr, size_t n);
00047 static void set_flags(int fd, int flags);
00048 static char *file_to_buffer(const String &fname, off_t *lenp);
00049 static String file_to_string(const String &fname);
00050 static bool mkdirs(const String &dirname);
00051 static bool exists(const String &fname);
00052 static bool unlink(const String &fname);
00053 static bool rename(const String &oldpath, const String &newpath);
00054 static uint64_t size(const String &fname);
00055 static off_t length(const String &fname);
00056 static void add_trailing_slash(String &path);
00057 static bool expand_tilde(String &fname);
00058 #ifdef HT_XATTR_ENABLED
00059 static int
00060 getxattr(const String &path, const String &name, void *value, size_t size);
00061 static int fgetxattr(int fd, const String &name, void *value, size_t size);
00062 static int
00063 setxattr(const String &path, const String &name, const void *value,
00064 size_t size, int flags);
00065 static int
00066 fsetxattr(int fd, const String &name, const void *value, size_t size,
00067 int flags);
00068 static int removexattr(const String &path, const String &name);
00069 static int fremovexattr(int fd, const String &name);
00070 #endif
00071 };
00072
00073 }
00074
00075 #endif // HYPERTABLE_FDUITLS_H
00076
