BGI/SOAPdenovo2/standardPregraph/inc/knetfile.h

   1 #ifndef KNETFILE_H
   2 #define KNETFILE_H
   3
   4 #include <stdint.h>
   5 #include <fcntl.h>
   6
   7 #ifndef _WIN32
   8 #define netread(fd, ptr, len) read(fd, ptr, len)
   9 #define netwrite(fd, ptr, len) write(fd, ptr, len)
  10 #define netclose(fd) close(fd)
  11 #else
  12 #include <winsock2.h>
  13 #define netread(fd, ptr, len) recv(fd, ptr, len, 0)
  14 #define netwrite(fd, ptr, len) send(fd, ptr, len, 0)
  15 #define netclose(fd) closesocket(fd)
  16 #endif
  17
  18 // FIXME: currently I/O is unbuffered
  19
  20 #define KNF_TYPE_LOCAL 1
  21 #define KNF_TYPE_FTP   2
  22 #define KNF_TYPE_HTTP  3
  23
  24 typedef struct knetFile_s
  25 {
  26         int type, fd;
  27         int64_t offset;
  28         char * host, *port;
  29
  30         // the following are for FTP only
  31         int ctrl_fd, pasv_ip[4], pasv_port, max_response, no_reconnect, is_ready;
  32         char * response, *retr, *size_cmd;
  33         int64_t seek_offset; // for lazy seek
  34         int64_t file_size;
  35
  36         // the following are for HTTP only
  37         char * path, *http_host;
  38 } knetFile;
  39
  40 #define knet_tell(fp) ((fp)->offset)
  41 #define knet_fileno(fp) ((fp)->fd)
  42
  43 #ifdef __cplusplus
  44 extern "C" {
  45 #endif
  46
  47 #ifdef _WIN32
  48         int knet_win32_init();
  49         void knet_win32_destroy();
  50 #endif
  51
  52         knetFile * knet_open ( const char * fn, const char * mode );
  53
  54         /*
  55            This only works with local files.
  56          */
  57         knetFile * knet_dopen ( int fd, const char * mode );
  58
  59         /*
  60           If ->is_ready==0, this routine updates ->fd; otherwise, it simply
  61           reads from ->fd.
  62          */
  63         off_t knet_read ( knetFile * fp, void * buf, off_t len );
  64
  65         /*
  66           This routine only sets ->offset and ->is_ready=0. It does not
  67           communicate with the FTP server.
  68          */
  69         off_t knet_seek ( knetFile * fp, int64_t off, int whence );
  70         int knet_close ( knetFile * fp );
  71
  72 #ifdef __cplusplus
  73 }
  74 #endif
  75
  76 #endif