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renamed libssh2_sftp_packet_requirev to plain sftp_packet_requirev since it

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is private in this file only and a shorter name is nicer

Removed a "flush" of the data in sftp_packet_requirev() that now seems to have
made SFTP operations a lot more reliable. It didn't make much sense to have it
there but if someone can present a reason for one I figure we should carefully
investigate one and only do it conditionally where/when needed.
This commit is contained in:
Daniel Stenberg
2008-12-15 22:58:07 +00:00
parent fbb25c7ad0
commit bcad67636b
1 changed files with 28 additions and 36 deletions
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64
src/sftp.c
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@@ -329,36 +329,27 @@ libssh2_sftp_packet_require(LIBSSH2_SFTP * sftp, unsigned char packet_type,
/* }}} */
/* {{{ libssh2_sftp_packet_requirev
/* {{{ sftp_packet_requirev
* Requie one of N possible reponses
*/
static int
libssh2_sftp_packet_requirev(LIBSSH2_SFTP * sftp, int num_valid_responses,
const unsigned char *valid_responses,
unsigned long request_id, unsigned char **data,
unsigned long *data_len)
sftp_packet_requirev(LIBSSH2_SFTP * sftp, int num_valid_responses,
const unsigned char *valid_responses,
unsigned long request_id, unsigned char **data,
unsigned long *data_len)
{
int i;
int ret;
/*
* If no timeout is active, start a new one and flush
* any pending packets
*/
/* If no timeout is active, start a new one */
if (sftp->requirev_start == 0) {
_libssh2_debug(sftp->channel->session, LIBSSH2_DBG_SFTP,
"_requirev(): Initialize timeout");
sftp->requirev_start = time(NULL);
/* Flush */
while (libssh2_sftp_packet_read(sftp, 1) > 0);
}
while (sftp->channel->session->socket_state == LIBSSH2_SOCKET_CONNECTED) {
for(i = 0; i < num_valid_responses; i++) {
if (libssh2_sftp_packet_ask
(sftp, valid_responses[i], request_id, data, data_len,
0) == 0) {
if (libssh2_sftp_packet_ask(sftp, valid_responses[i], request_id,
data, data_len, 0) == 0) {
/*
* Set to zero before all returns to say
* the timeout is not active
@@ -881,9 +872,9 @@ libssh2_sftp_open_ex(LIBSSH2_SFTP * sftp, const char *filename,
}
if (sftp->open_state == libssh2_NB_state_sent) {
rc = libssh2_sftp_packet_requirev(sftp, 2, fopen_responses,
sftp->open_request_id, &data,
&data_len);
rc = sftp_packet_requirev(sftp, 2, fopen_responses,
sftp->open_request_id, &data,
&data_len);
if (rc == PACKET_EAGAIN) {
libssh2_error(session, LIBSSH2_ERROR_EAGAIN,
"Would block waiting for status message", 0);
@@ -1053,8 +1044,8 @@ libssh2_sftp_read(LIBSSH2_SFTP_HANDLE * handle, char *buffer,
if (sftp->read_state == libssh2_NB_state_sent) {
retcode =
libssh2_sftp_packet_requirev(sftp, 2, read_responses,
request_id, &data, &data_len);
sftp_packet_requirev(sftp, 2, read_responses,
request_id, &data, &data_len);
if (retcode == PACKET_EAGAIN) {
return PACKET_EAGAIN;
} else if (retcode) {
@@ -1244,9 +1235,9 @@ libssh2_sftp_readdir_ex(LIBSSH2_SFTP_HANDLE * handle, char *buffer,
}
retcode =
libssh2_sftp_packet_requirev(sftp, 2, read_responses,
sftp->readdir_request_id, &data,
&data_len);
sftp_packet_requirev(sftp, 2, read_responses,
sftp->readdir_request_id, &data,
&data_len);
if (retcode == PACKET_EAGAIN) {
return PACKET_EAGAIN;
} else if (retcode) {
@@ -1481,9 +1472,9 @@ libssh2_sftp_fstat_ex(LIBSSH2_SFTP_HANDLE * handle,
sftp->fstat_state = libssh2_NB_state_sent;
}
rc = libssh2_sftp_packet_requirev(sftp, 2, fstat_responses,
sftp->fstat_request_id, &data,
&data_len);
rc = sftp_packet_requirev(sftp, 2, fstat_responses,
sftp->fstat_request_id, &data,
&data_len);
if (rc == PACKET_EAGAIN) {
return PACKET_EAGAIN;
} else if (rc) {
@@ -2144,8 +2135,8 @@ libssh2_sftp_stat_ex(LIBSSH2_SFTP * sftp, const char *path,
sftp->stat_state = libssh2_NB_state_sent;
}
rc = libssh2_sftp_packet_requirev(sftp, 2, stat_responses,
sftp->stat_request_id, &data, &data_len);
rc = sftp_packet_requirev(sftp, 2, stat_responses,
sftp->stat_request_id, &data, &data_len);
if (rc == PACKET_EAGAIN) {
return PACKET_EAGAIN;
} else if (rc) {
@@ -2211,8 +2202,8 @@ libssh2_sftp_symlink_ex(LIBSSH2_SFTP * sftp, const char *path,
s = sftp->symlink_packet = LIBSSH2_ALLOC(session, packet_len);
if (!sftp->symlink_packet) {
libssh2_error(session, LIBSSH2_ERROR_ALLOC,
"Unable to allocate memory for SYMLINK/READLINK/REALPATH packet",
0);
"Unable to allocate memory for SYMLINK/READLINK"
"/REALPATH packet", 0);
return -1;
}
@@ -2274,12 +2265,13 @@ libssh2_sftp_symlink_ex(LIBSSH2_SFTP * sftp, const char *path,
sftp->symlink_state = libssh2_NB_state_sent;
}
rc = libssh2_sftp_packet_requirev(sftp, 2, link_responses,
sftp->symlink_request_id, &data,
&data_len);
rc = sftp_packet_requirev(sftp, 2, link_responses,
sftp->symlink_request_id, &data,
&data_len);
if (rc == PACKET_EAGAIN) {
return PACKET_EAGAIN;
} else if (rc) {
}
else if (rc) {
libssh2_error(session, LIBSSH2_ERROR_SOCKET_TIMEOUT,
"Timeout waiting for status message", 0);
sftp->symlink_state = libssh2_NB_state_idle;