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comparison SNV/SNVMix2_source/SNVMix2-v0.12.1-rc1/samtools-0.1.6/knetfile.h @ 0:74f5ea818cea

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author ryanmorin
date Wed, 12 Oct 2011 19:50:38 -0400
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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 <winsock.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 int type, fd;
26 int64_t offset;
27 char *host, *port;
28
29 // the following are for FTP only
30 int ctrl_fd, pasv_ip[4], pasv_port, max_response, no_reconnect, is_ready;
31 char *response, *retr;
32 int64_t seek_offset; // for lazy seek
33
34 // the following are for HTTP only
35 char *path, *http_host;
36 } knetFile;
37
38 #define knet_tell(fp) ((fp)->offset)
39 #define knet_fileno(fp) ((fp)->fd)
40
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44
45 #ifdef _WIN32
46 int knet_win32_init();
47 void knet_win32_destroy();
48 #endif
49
50 knetFile *knet_open(const char *fn, const char *mode);
51
52 /*
53 This only works with local files.
54 */
55 knetFile *knet_dopen(int fd, const char *mode);
56
57 /*
58 If ->is_ready==0, this routine updates ->fd; otherwise, it simply
59 reads from ->fd.
60 */
61 off_t knet_read(knetFile *fp, void *buf, off_t len);
62
63 /*
64 This routine only sets ->offset and ->is_ready=0. It does not
65 communicate with the FTP server.
66 */
67 int knet_seek(knetFile *fp, off_t off, int whence);
68 int knet_close(knetFile *fp);
69
70 #ifdef __cplusplus
71 }
72 #endif
73
74 #endif