I'm trying to copy thousands of files using Net::SSH2 (tried Net::SSH2::Perl before, see http://www.perlmonks.org/index.pl?node_id=765848 )

So far, I've tried three different approaches, none of them successful:

my $sftp = $ssh2->sftp
Fails after a few dozen, hundred or thousand iterations (the exact number varies greatly)

libssh2_sftp_init(ss->session) -> 0x9a641d8
(OK, proceed with file copy)
libssh2_sftp_open_ex(sf->sftp, (char*)pv_file, len_file, l_flags, mode
+, 0) -> 0x9ce1dd8
Net::SSH2::File::DESTROY
Net::SSH2::SFTP::DESTROY
Net::SSH2::SFTP::DESTROY freeing session
libssh2_sftp_init(ss->session) -> 0x9a641d8
(OK, proceed with file copy)
libssh2_sftp_open_ex(sf->sftp, (char*)pv_file, len_file, l_flags, mode
+, 0) -> 0x9ce0900
Net::SSH2::File::DESTROY
Net::SSH2::SFTP::DESTROY
Net::SSH2::SFTP::DESTROY freeing session
libssh2_sftp_init(ss->session) -> 0x0
(FAIL)
Net::SSH2::Channel::DESTROY
Net::SSH2::DESTROY object 0x95c4390
[download]

The comments in parenthesis are mine, notice that the same object handle is returned with each successful call until it suddenly returns 0x0

Second attempt:
$ssh2->scp_get($old, $new)
Hangs silently after a few dozen, hundred or thousand iterations (the exact number varies greatly)

Net::SSH2::Channel::read(size = 8192, ext = 0)
- read 8192 bytes
- read 8192 total
Net::SSH2::Channel::read(size = 8192, ext = 0)
- read 4899 bytes
- read 3293 bytes
- read 8192 total
Net::SSH2::Channel::read(size = 8192, ext = 0)
- read 8192 bytes
- read 8192 total
Net::SSH2::Channel::read(size = 8192, ext = 0)
- read 7228 bytes
[download]

...and it just sits there, waiting for the cows to come home.

Finally I try

my $chan = $ssh2->channel();
$chan->blocking(1);
$chan->exec("cat myfile");
[download]

with results quite similar to sftp:

libssh2_channel_open_ex(ss->session, pv_channel_type, len_channel_type
+, window_size, packet_size, ((void *)0) , 0 ) -> 0x916e480
 [53819:0]Net::SSH2::Channel::read(size = 1048576, ext = 0)
- read 16384 bytes
- read 16384 bytes
- read 16384 bytes
- read 4667 bytes
- read -37 bytes
- read 53819 total
Net::SSH2::Channel::DESTROY
libssh2_channel_open_ex(ss->session, pv_channel_type, len_channel_type
+, window_size, packet_size, ((void *)0) , 0 ) -> 0x0
[download]

Channel creation fails, three strikes and I'm out.

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