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Re: SSH package for U++ [message #50146 is a reply to message #50145]

Wed, 08 August 2018 10:56

mirek is currently offline

mirek
Messages: 13975
Registered: November 2005

Ultimate Member

Well, I have already did SFtpHandle* -> SFtpHandle with no ill effects.

Now I am trying to deal with "Cmd" and async operations.

I undestand the appeal, but I have to say that the result is sort of confusing. E.g. I have implemented

int Get(SFtpObject* obj, void* buffer, int size);

but it is clearly incompatible with this sort of async operations. All those NULL handles, implicit results etc make me uneasy.

Meanwhile, I have started to checking coming coroutines support (probably C++20) - on the first look, these look like "queue done right".

So I guess for now, I will try to pretend that those complex Cmd / ComplexCmd "nonblocking" operations are not there, probably putting assert to make that sure for methods like "Get" and hope to do all that right with co_wait / co_return in the future.

In related news, I have also fixed GetWaitEvents

dword Ssh::GetWaitEvents()
{
	ssh->events = 0;
	if(ssh->socket && ssh->session)
		ssh->events = libssh2_session_block_directions(ssh->session);
	return !!(ssh->events & LIBSSH2_SESSION_BLOCK_INBOUND) * WAIT_READ +
	       !!(ssh->events & LIBSSH2_SESSION_BLOCK_OUTBOUND) * WAIT_WRITE;
}

I am also thinking that perhaps SFtp should be (derived from) SshSession. I think it is unlikely that sharing SshSession for several protocols is all that important.

[Updated on: Wed, 08 August 2018 11:03]

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[Message index]

		SSH package for U++ By: Oblivion on Tue, 14 November 2017 21:59
		Re: SSH package for U++ By: Oblivion on Fri, 17 November 2017 22:15
		Re: SSH package for U++ By: Oblivion on Sat, 18 November 2017 15:57
		Re: SSH package for U++ By: Oblivion on Sun, 19 November 2017 18:21
		Re: SSH package for U++ By: Oblivion on Tue, 21 November 2017 00:38
		Re: SSH package for U++ By: koldo on Thu, 23 November 2017 09:07
		Re: SSH package for U++ By: Oblivion on Fri, 24 November 2017 21:03
		Re: SSH package for U++ By: alkema_jm on Sun, 26 November 2017 04:51
		Re: SSH package for U++ By: Oblivion on Sun, 26 November 2017 09:59
		Re: SSH package for U++ By: alkema_jm on Thu, 30 November 2017 23:55
		Re: SSH package for U++ By: alkema_jm on Fri, 01 December 2017 12:33
		Re: SSH package for U++ By: Oblivion on Fri, 01 December 2017 14:35
		Re: SSH package for U++ By: alkema_jm on Sat, 02 December 2017 09:29
		Re: SSH package for U++ By: Oblivion on Sat, 02 December 2017 10:44
		Re: SSH package for U++ By: alkema_jm on Sun, 03 December 2017 08:35
		Re: SSH package for U++ By: alkema_jm on Mon, 04 December 2017 19:01
		Re: SSH package for U++ By: Oblivion on Mon, 04 December 2017 22:46
		Re: SSH package for U++ By: alkema_jm on Fri, 08 December 2017 11:22
		Re: SSH package for U++ By: alkema_jm on Wed, 13 December 2017 17:46
		Re: SSH package for U++ By: Oblivion on Tue, 19 December 2017 14:27
		Re: SSH package for U++ By: Oblivion on Tue, 19 December 2017 14:44
		Re: SSH package for U++ By: Oblivion on Sun, 07 January 2018 22:09
		Re: SSH package for U++ By: koldo on Mon, 08 January 2018 08:27
		Re: SSH package for U++ By: Oblivion on Tue, 09 January 2018 23:15
		Re: SSH package for U++ By: koldo on Wed, 10 January 2018 08:53
		Re: SSH package for U++ By: Oblivion on Fri, 19 January 2018 14:18
		Re: SSH package for U++ By: Oblivion on Sun, 21 January 2018 12:18
		Re: SSH package for U++ By: koldo on Sun, 21 January 2018 16:53
		Re: SSH package for U++ By: Oblivion on Sun, 28 January 2018 12:13
		Re: SSH package for U++ By: Oblivion on Mon, 02 April 2018 23:27
		Re: SSH package for U++ By: Oblivion on Sat, 07 April 2018 16:25
		Re: SSH package for U++ By: Oblivion on Sun, 15 April 2018 00:39
		Re: SSH package for U++ By: Oblivion on Sat, 21 April 2018 08:12
		Re: SSH package for U++ By: Oblivion on Fri, 04 May 2018 22:08
		Re: SSH package for U++ By: Oblivion on Sat, 16 June 2018 19:09
		Re: SSH package for U++ By: mirek on Tue, 10 July 2018 14:37
		Re: SSH package for U++ By: mirek on Tue, 10 July 2018 15:38
		Re: SSH package for U++ By: mirek on Tue, 10 July 2018 15:42
		Re: SSH package for U++ By: Oblivion on Wed, 11 July 2018 08:35
		Re: SSH package for U++ By: mirek on Tue, 31 July 2018 11:07
		Re: SSH package for U++ By: Oblivion on Fri, 03 August 2018 17:34
		Re: SSH package for U++ By: mirek on Fri, 03 August 2018 18:03
		Re: SSH package for U++ By: Oblivion on Fri, 03 August 2018 18:44
		Re: SSH package for U++ By: Oblivion on Tue, 07 August 2018 23:32
		Re: SSH package for U++ By: mirek on Wed, 08 August 2018 10:56
		Re: SSH package for U++ By: Oblivion on Wed, 08 August 2018 11:22
		Re: SSH package for U++ By: mirek on Wed, 08 August 2018 13:28
		Re: SSH package for U++ By: Oblivion on Wed, 08 August 2018 14:16
		Re: SSH package for U++ By: mirek on Thu, 09 August 2018 11:54
		Re: SSH package for U++ By: mirek on Thu, 09 August 2018 12:00
		Re: SSH package for U++ By: Oblivion on Thu, 09 August 2018 16:24
		Re: SSH package for U++ By: mirek on Thu, 09 August 2018 16:49
		Re: SSH package for U++ By: Oblivion on Thu, 09 August 2018 17:03
		Re: SSH package for U++ By: Oblivion on Thu, 09 August 2018 17:59
		Re: SSH package for U++ By: mirek on Thu, 09 August 2018 18:35
		Re: SSH package for U++ By: Oblivion on Sun, 12 August 2018 12:51
		Re: SSH package for U++ By: Oblivion on Thu, 30 August 2018 07:27
		Re: SSH package for U++ By: mirek on Thu, 30 August 2018 09:04
		Re: SSH package for U++ By: Oblivion on Fri, 31 August 2018 00:12
		Re: SSH package for U++ By: Oblivion on Sun, 02 September 2018 21:59
		Re: SSH package for U++ By: Oblivion on Wed, 31 October 2018 11:00
		Re: SSH package for U++ By: Oblivion on Sun, 04 November 2018 19:55
		Re: SSH package for U++ By: Oblivion on Fri, 22 March 2019 17:39

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