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Diffstat (limited to 'docs/man/nng_push.7.adoc')
| -rw-r--r-- | docs/man/nng_push.7.adoc | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/docs/man/nng_push.7.adoc b/docs/man/nng_push.7.adoc deleted file mode 100644 index b630c2bb..00000000 --- a/docs/man/nng_push.7.adoc +++ /dev/null @@ -1,80 +0,0 @@ -= nng_push(7) -// -// Copyright 2020 Staysail Systems, Inc. <info@staysail.tech> -// Copyright 2018 Capitar IT Group BV <info@capitar.com> -// -// This document is supplied under the terms of the MIT License, a -// copy of which should be located in the distribution where this -// file was obtained (LICENSE.txt). A copy of the license may also be -// found online at https://opensource.org/licenses/MIT. -// - -== NAME - -nng_push - push protocol - -== SYNOPSIS - -[source,c] ----- -#include <nng/protocol/pipeline0/push.h> ----- - -== DESCRIPTION - -(((protocol, _push_))) -The ((_push_ protocol)) is one half of a ((pipeline pattern)). -The other side is the xref:nng_pull.7.adoc[_pull_] protocol. - -In the pipeline pattern, pushers distribute messages to pullers. -Each message sent by a pusher will be sent to one of its peer pullers, -chosen in a round-robin fashion -from the set of connected peers available for receiving. -This property makes this pattern useful in ((load-balancing)) scenarios. - -=== Socket Operations - -The xref:nng_push_open.3.adoc[`nng_push0_open()`] call creates a pusher socket. -This socket may be used to send messages, but is unable to receive them. -Attempts to receive messages will result in `NNG_ENOTSUP`. - -Send operations will observe flow control (back-pressure), so that -only peers capable of accepting a message will be considered. -If no peer is available to receive a message, then the send operation will -wait until one is available, or the operation times out. - -NOTE: Although the pipeline protocol honors flow control, and attempts -to avoid dropping messages, no guarantee of delivery is made. -Furthermore, as there is no capability for message acknowledgment, -applications that need reliable delivery are encouraged to consider the -xref:nng_req.7.adoc[_req_] protocol instead. - -=== Protocol Versions - -Only version 0 of this protocol is supported. -(At the time of writing, no other versions of this protocol have been defined.) - -=== Protocol Options - -xref:nng_options.5.adoc#NNG_OPT_SENDBUF[`NNG_OPT_SENDBUF`]:: - - (`int`, 0 - 8192) - Normally this is set to zero, indicating that send operations are unbuffered. - In unbuffered operation, send operations will wait until a suitable peer is available to receive the message. - If this is set to a positive value (up to 8192), then an intermediate buffer is - provided for the socket with the specified depth (in messages). - -NOTE: Transport layer buffering may occur in addition to any socket - buffer determined by this option. - -=== Protocol Headers - -The _push_ protocol has no protocol-specific headers. - -== SEE ALSO - -[.text-left] -xref:nng_push_open.3.adoc[nng_push(3)], -xref:nng_pull.7.adoc[nng_pull(7)], -xref:nng_req.7.adoc[nng_req(7)], -xref:nng.7.adoc[nng(7)] |
