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Finish making SFTP fully non-blocking capable.

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Functions that return an "int", and friends, return LIBSSH2SFTP_EAGAIN.
Functions that return a structure return NULL and set the error to
LIBSSH2_ERROR_EAGAIN
This commit is contained in:
James Housley
2007-06-07 16:01:12 +00:00
parent d141ba49f3
commit 7d57222912
15 changed files with 665 additions and 721 deletions
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60
src/libssh2_priv.h
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@@ -466,6 +466,10 @@ struct _LIBSSH2_SFTP_HANDLE {
char *next_name;
} dir;
} u;
/* State variables used in libssh2_sftp_close_handle() */
libssh2_nonblocking_states close_state;
unsigned long close_request_id;
};
struct _LIBSSH2_SFTP {
@@ -480,34 +484,70 @@ struct _LIBSSH2_SFTP {
unsigned long last_errno;
/* Holder for partial packet, use in libssh2_sftp_packet_read() */
unsigned char *partial_packet; /* The data */
unsigned long partial_len; /* Desired number of bytes */
unsigned long partial_received; /* Bytes received so far */
unsigned char *partial_packet; /* The data */
unsigned long partial_len; /* Desired number of bytes */
unsigned long partial_received; /* Bytes received so far */
/* Time that libssh2_sftp_packet_requirev() started reading */
time_t requirev_start;
time_t requirev_start;
/* State variables used in _libssh2_sftp_read() */
/* State variables used in libssh2_sftp_open_ex() */
libssh2_nonblocking_states open_state;
unsigned char *open_packet;
ssize_t open_packet_len;
unsigned long open_request_id;
/* State variables used in libssh2_sftp_read() */
libssh2_nonblocking_states read_state;
unsigned char *read_packet;
unsigned long read_request_id;
size_t read_total_read;
unsigned long read_request_id;
size_t read_total_read;
/* State variables used in _libssh2_sftp_readdir() */
/* State variables used in libssh2_sftp_readdir() */
libssh2_nonblocking_states readdir_state;
unsigned char *readdir_packet;
unsigned long readdir_request_id;
/* State variables used in _libssh2_sftp_write() */
/* State variables used in libssh2_sftp_write() */
libssh2_nonblocking_states write_state;
unsigned char *write_packet;
unsigned long write_request_id;
/* State variables used in _libssh2_sftp_mkdir() */
/* State variables used in libssh2_sftp_fstat_ex() */
libssh2_nonblocking_states fstat_state;
unsigned char *fstat_packet;
unsigned long fstat_request_id;
/* State variables used in libssh2_sftp_unlink_ex() */
libssh2_nonblocking_states unlink_state;
unsigned char *unlink_packet;
unsigned long unlink_request_id;
/* State variables used in libssh2_sftp_rename_ex() */
libssh2_nonblocking_states rename_state;
unsigned char *rename_packet;
unsigned char *rename_s;
unsigned long rename_request_id;
/* State variables used in libssh2_sftp_mkdir() */
libssh2_nonblocking_states mkdir_state;
unsigned char *mkdir_packet;
unsigned long mkdir_request_id;
/* State variables used in libssh2_sftp_rmdir() */
libssh2_nonblocking_states rmdir_state;
unsigned char *rmdir_packet;
unsigned long rmdir_request_id;
/* State variables used in libssh2_sftp_stat() */
libssh2_nonblocking_states stat_state;
unsigned char *stat_packet;
unsigned long stat_request_id;
/* State variables used in libssh2_sftp_symlink() */
libssh2_nonblocking_states symlink_state;
unsigned char *symlink_packet;
unsigned long symlink_request_id;
};
#define LIBSSH2_SCP_RESPONSE_BUFLEN 256