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Annotation of /trunk/ftp_put_buffer.c

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Revision 17 - (hide annotations) (download) (as text)
Wed Feb 25 13:47:38 2009 UTC (15 years ago) by hirohitohigashi
File MIME type: text/x-csrc
File size: 2833 byte(s)
Starting 2nd version of libOftp project. There are new designs.

1 hirohitohigashi 17 /*
2     liboftp: this is an FTP library to simplify the work to a Developer
3     who want to work with FTP servers (RFC 959).
4    
5     Copyright (c) 2009 hirohito higashi. All rights reserved.
6     This file is distributed under BSD license.
7     */
8    
9    
10     /***** Feature test switches ************************************************/
11     /***** System headers *******************************************************/
12     #include <unistd.h>
13     #include <sys/types.h>
14     #include <sys/socket.h>
15    
16    
17     /***** Local headers ********************************************************/
18     #include "liboftp.h"
19     #include "sub.h"
20    
21    
22     /***** Constat values *******************************************************/
23     #define TRANSFER_SEGMENT_SIZE 4096 /* 一度のrecv()で転送するバイト数 */
24    
25    
26     /***** Macros ***************************************************************/
27     /***** Typedefs *************************************************************/
28     /***** Function prototypes **************************************************/
29     /***** Local variables ******************************************************/
30     /***** Global variables *****************************************************/
31     /***** Signal catching functions ********************************************/
32     /***** Local functions ******************************************************/
33     /***** Global functions *****************************************************/
34    
35    
36     /****************************************************************************/
37     /*! バッファからファイル送信
38     *
39     *@param ftp LIBOFTPへのポインタ。
40     *@param fname サーバ上のファイル名
41     *@param buf バッファへのポインタ
42     *@param bufsiz バッファサイズ
43     *@retval int 0: no error. -1: OS level error. -2: ftp protocol error. -3: buffer too small.
44     *@note
45     */
46     int ftp_put_buffer( LIBOFTP *ftp, const char *fname, char *buf, int bufsiz )
47     {
48     int data_socket;
49     char *p = buf;
50     int n;
51    
52     /*
53     * 送信準備
54     */
55     if( ftp->flag_passive ) {
56     data_socket = ftp_getready_pasv( ftp, fname, "STOR" );
57     if( data_socket < 0 ) {
58     return -1; /* XXX: mixed os level error and ftp protocol error. */
59     }
60     } else {
61     return -2; /* XXX: active mode not ready yet. */
62     }
63    
64     /*
65     * タイムアウトが意図通りに働くように、分割してsendする。
66     */
67     while( 1 ) {
68     int len = bufsiz;
69     if( len > TRANSFER_SEGMENT_SIZE ) {
70     len = TRANSFER_SEGMENT_SIZE;
71     }
72     n = sendn( data_socket, p, len, 0 );
73     DEBUGPRINT1( "SEND: n=%d\n", n );
74     if( n < 0 ) {
75     close( data_socket );
76     return -1;
77     }
78     if( n == 0 ) {
79     break;
80     }
81     p += n;
82     bufsiz -= n;
83     if( bufsiz <= 0 ) {
84     break;
85     }
86     }
87     close( data_socket );
88    
89     /*
90     * receive response.
91     */
92     if( ftp_receive_response( ftp, 0, 0 ) != 226 ) { /* 226: Closing data connection. */
93     return -2;
94     }
95    
96     return 0;
97     }

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