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Non-blocking work

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* The following low level packet routines now fully support non-blocking:
    libssh2_sftp_packet_read()
    libssh2_sftp_packet_ask()
    libssh2_sftp_packet_require()
    libssh2_sftp_packet_requirev()

* libssh2_sftp_readdirnb() functions completely in non-blocking mode

* The rest of the routines which call the libssh2_sftp_packet_* routine
  loop on a return code of PACKET_EAGAIN.  This maintains the current
  functionality until they fully support non-blocking

* The state of all function are labeled with either NB-SAFE or NB-UNSAFE,
  for those that are know.  NB-UNSAFE?? for those that haven't been
  examined.
This commit is contained in:
James Housley
2007-04-21 18:16:23 +00:00
parent f8fe38e3a5
commit 2dc313d365
2 changed files with 744 additions and 407 deletions
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9
include/libssh2_sftp.h
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@@ -191,7 +191,11 @@ LIBSSH2_API ssize_t libssh2_sftp_read(LIBSSH2_SFTP_HANDLE *handle,
LIBSSH2_API ssize_t libssh2_sftp_readnb(LIBSSH2_SFTP_HANDLE *handle, LIBSSH2_API ssize_t libssh2_sftp_readnb(LIBSSH2_SFTP_HANDLE *handle,
char *buffer, size_t buffer_maxlen); char *buffer, size_t buffer_maxlen);
LIBSSH2_API int libssh2_sftp_readdir(LIBSSH2_SFTP_HANDLE *handle, char *buffer, size_t buffer_maxlen, LIBSSH2_SFTP_ATTRIBUTES *attrs); LIBSSH2_API int libssh2_sftp_readdir(LIBSSH2_SFTP_HANDLE *handle, char *buffer,
size_t buffer_maxlen, LIBSSH2_SFTP_ATTRIBUTES *attrs);
LIBSSH2_API int libssh2_sftp_readdirnb(LIBSSH2_SFTP_HANDLE *handle, char *buffer,
size_t buffer_maxlen, LIBSSH2_SFTP_ATTRIBUTES *attrs);
LIBSSH2_API ssize_t libssh2_sftp_write(LIBSSH2_SFTP_HANDLE *handle, LIBSSH2_API ssize_t libssh2_sftp_write(LIBSSH2_SFTP_HANDLE *handle,
const char *buffer, size_t count); const char *buffer, size_t count);
LIBSSH2_API ssize_t libssh2_sftp_writenb(LIBSSH2_SFTP_HANDLE *handle, LIBSSH2_API ssize_t libssh2_sftp_writenb(LIBSSH2_SFTP_HANDLE *handle,
@@ -238,6 +242,9 @@ LIBSSH2_API int libssh2_sftp_symlink_ex(LIBSSH2_SFTP *sftp, const char *path, un
#define libssh2_sftp_readlink(sftp, path, target, maxlen) libssh2_sftp_symlink_ex((sftp), (path), strlen(path), (target), (maxlen), LIBSSH2_SFTP_READLINK) #define libssh2_sftp_readlink(sftp, path, target, maxlen) libssh2_sftp_symlink_ex((sftp), (path), strlen(path), (target), (maxlen), LIBSSH2_SFTP_READLINK)
#define libssh2_sftp_realpath(sftp, path, target, maxlen) libssh2_sftp_symlink_ex((sftp), (path), strlen(path), (target), (maxlen), LIBSSH2_SFTP_REALPATH) #define libssh2_sftp_realpath(sftp, path, target, maxlen) libssh2_sftp_symlink_ex((sftp), (path), strlen(path), (target), (maxlen), LIBSSH2_SFTP_REALPATH)
LIBSSH2_API void libssh2_sftp_set_blocking(LIBSSH2_SFTP *session, int blocking);
LIBSSH2_API int libssh2_sftp_get_blocking(LIBSSH2_SFTP *session);
#ifdef __cplusplus #ifdef __cplusplus
} /* extern "C" */ } /* extern "C" */
#endif #endif

1034
src/sftp.c
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