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Problem: no permission to relicense ZMQ_RECONNECT_IVL_MAX

Browse Source 
Solution: remove the implementation. Thijs Terlouw <thijsterlouw@gmail.com>,
the author, did not respond to requests to allow relicensing to MPL2,
so we have to remove his copyrighted work.
Remove the implementation and make get/set return -EOPNOTSUPP.
This commit is contained in:
Luca Boccassi 2023-02-18 14:20:54 +00:00 committed by Luca Boccassi
parent ff47aeb791
commit 7bbd49726b
5 changed files with 23 additions and 62 deletions
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22
doc/zmq_getsockopt.txt
View File

@ -619,23 +619,11 @@ Default value:: 100
Applicable socket types:: all, only for connection-oriented transports
ZMQ_RECONNECT_IVL_MAX: Retrieve maximum reconnection interval
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The 'ZMQ_RECONNECT_IVL_MAX' option shall retrieve the maximum reconnection
interval for the specified 'socket'. This is the maximum period 0MQ shall wait
between attempts to reconnect. On each reconnect attempt, the previous interval
shall be doubled until ZMQ_RECONNECT_IVL_MAX is reached. This allows for
exponential backoff strategy. Default value means no exponential backoff is
performed and reconnect interval calculations are only based on
ZMQ_RECONNECT_IVL.
NOTE: Values less than ZMQ_RECONNECT_IVL will be ignored.
[horizontal]
Option value type:: int
Option value unit:: milliseconds
Default value:: 0 (only use ZMQ_RECONNECT_IVL)
Applicable socket types:: all, only for connection-oriented transport
ZMQ_RECONNECT_IVL_MAX: DEPRECATED
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The 'ZMQ_RECONNECT_IVL_MAX option is an empty stub that only returns an
*EOPNOTSUPP* error, as the author did not provide a relicense agreement for
the Mozilla Public License v2 relicense of libzmq.
ZMQ_RECONNECT_STOP: Retrieve condition where reconnection will stop

21
doc/zmq_setsockopt.txt
View File

@ -750,22 +750,11 @@ Default value:: 100
Applicable socket types:: all, only for connection-oriented transports
ZMQ_RECONNECT_IVL_MAX: Set maximum reconnection interval
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The 'ZMQ_RECONNECT_IVL_MAX' option shall set the maximum reconnection interval
for the specified 'socket'. This is the maximum period 0MQ shall wait between
attempts to reconnect. On each reconnect attempt, the previous interval shall be
doubled until ZMQ_RECONNECT_IVL_MAX is reached. This allows for exponential
backoff strategy. Default value means no exponential backoff is performed and
reconnect interval calculations are only based on ZMQ_RECONNECT_IVL.
NOTE: Values less than ZMQ_RECONNECT_IVL will be ignored.
[horizontal]
Option value type:: int
Option value unit:: milliseconds
Default value:: 0 (only use ZMQ_RECONNECT_IVL)
Applicable socket types:: all, only for connection-oriented transports
ZMQ_RECONNECT_IVL_MAX: DEPRECATED
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The 'ZMQ_RECONNECT_IVL_MAX option is an empty stub that only returns an
*EOPNOTSUPP* error, as the author did not provide a relicense agreement for
the Mozilla Public License v2 relicense of libzmq.
ZMQ_RECONNECT_STOP: Set condition where reconnection will stop

21
src/options.cpp
View File

@ -213,7 +213,6 @@ zmq::options_t::options_t () :
tcp_maxrt (0),
reconnect_stop (0),
reconnect_ivl (100),
reconnect_ivl_max (0),
backlog (100),
maxmsgsize (-1),
rcvtimeo (-1),
@ -428,11 +427,11 @@ int zmq::options_t::setsockopt (int option_,
break;
case ZMQ_RECONNECT_IVL_MAX:
if (is_int && value >= 0) {
reconnect_ivl_max = value;
return 0;
}
break;
#ifdef ZMQ_HAVE_WINDOWS
return WSAEOPNOTSUPP;
#else
return -EOPNOTSUPP;
#endif
case ZMQ_BACKLOG:
if (is_int && value >= 0) {
@ -1076,11 +1075,11 @@ int zmq::options_t::getsockopt (int option_,
break;
case ZMQ_RECONNECT_IVL_MAX:
if (is_int) {
*value = reconnect_ivl_max;
return 0;
}
break;
#ifdef ZMQ_HAVE_WINDOWS
return WSAEOPNOTSUPP;
#else
return -EOPNOTSUPP;
#endif
case ZMQ_BACKLOG:
if (is_int) {

4
src/options.hpp
View File

@ -127,10 +127,6 @@ struct options_t
// Default 100ms
int reconnect_ivl;
// Maximum interval between attempts to reconnect, in milliseconds.
// Default 0 (unused)
int reconnect_ivl_max;
// Maximum backlog for pending connections.
int backlog;

11
src/stream_connecter_base.cpp
View File

@ -123,17 +123,6 @@ int zmq::stream_connecter_base_t::get_new_reconnect_ivl ()
? _current_reconnect_ivl + random_jitter
: std::numeric_limits<int>::max ();
// Only change the new current reconnect interval if the maximum reconnect
// interval was set and if it's larger than the reconnect interval.
if (options.reconnect_ivl_max > 0
&& options.reconnect_ivl_max > options.reconnect_ivl) {
// Calculate the next interval
_current_reconnect_ivl =
_current_reconnect_ivl < std::numeric_limits<int>::max () / 2
? std::min (_current_reconnect_ivl * 2, options.reconnect_ivl_max)
: options.reconnect_ivl_max;
}
return interval;
}