[ViewVC] Annotation of: cvs/AnyEvent-MP/Changes

Revision history for AnyEvent::MP

TODO: testsuite
TODO: intro: maybe simple job pool example?
TODO: intro: mention watchdog...
TODO: maybe disbale warnings by default?
TODO: listener-scopes (10.0.0.1:4040@vpn) and connect-scopes ("vpn,public")

faq: can't se anything
faq: all is asynch
faq: how to interface to non-perl nodes?

TODO: check gproto, nproto, on connect
TODO: eg/*
TODO: #TODO##d# markers
TODO: limiting reconnecting speed when unreachable?
2
        - INCOMPATIBLE CHANGE: the node protocol used by this version is not
          compatible to versions <2 - you have to upgrade all nodes.
        - INCOMPATIBLE CHANGE: many APIs have changed, see the section
          "PORTING FROM VERSION 1" in the AnyEvent::MP manpage for details.
        - AnyEvent::MP::Global is now optional - only seed nodes autoload it
          and create a fully-meshed network with each other, normal nodes only
          have to connect to seed nodes, other connections are on-demand.
        - new "norc" and "force" options for MP::configure to ignore
          or override the rc file.
        - move seed code to Kernel.
        - non-json receive framing was probably broken.
        - fixed small typo in MP::Transport.
        - fix (unused) provider-kv (version sometimes missing).
        - reduce the default export list of MP::Kernel.
        - reduced various random delays to zero, as they
          are hopefully no longer needed with the new global
          protocol.
        - implement a secure mode that can suppress code execution
          requests on a per-node/per-request basis.
        - do not use GMP for generating alphanumeric strings even when
          available, use a more tricky algorithm instead.
        - anonymous node names and remote port names have been shortened
          considerably.
        - $AnyEvent::MP::Kernel::SRCNODE contains the node ID of the origin
          node during message receives.
        - aemp shell now supports "package" selection and offers an
          $ECHO port you can send messages to.
        - rely on perl rand() instead of using /dev/urandom when available, as
          hopefully it is random enough.
        - aemp shell no longer leaks one port per command.
        - nodenames can contain %-escapes such as %n or %u.
        - aemp now uses aemp/%n/%u as nodename.
        - configure supports "eval", a small perl snippet to initialsie a node,
          most useful in "aemp run eval ...".
        - known_nodes is gone, it has little value, use all_nodes as
          replacement.
        - lots of small change and improvements.
        - node_is_known has been removed.
        - TRACE now shows the portid on SND.
        - aggressively reduce number of external modules, to reduce
          memory usage for nodes.
        - rework most of the documentation.
        - clean up MP::Kernel exports.

1.30 Thu Jun 30 11:30:39 CEST 2011
        - connection errors at the right time would kill node
          connections in a bad way (patch by Malcolm Studd).

1.29 Fri May  7 20:13:39 CEST 2010
        - codename "Sadrak".
        - fix error in callback at AnyEvent/MP/Global.pm line 339
          (found by Sadrak).
        - listener-less nodes had trouble sending keepalive
          messages on write timeouts (found by Sadrak).
        - the monitor guard could cause a memleak due
          to autovivification if a mon was cleared after
          the port was gone (analysed by Sadrak).
        - do not overwrite the config file if we couldn't read it
          for some reason (lesson demonstrated by Sadrak).

1.28 Thu Apr  1 21:23:54 CEST 2010
        - accepted connections didn't correctly set up the SRCNODE
          in some cases, leading to intra-node messages (such as monitoring)
          to fail silently (great testcase by Sadrak).

1.27 Sat Mar 20 21:11:16 CET 2010
        - avoid exceptions in the transport code if the connection
          fails during TLS negotiation.
        - delay new address broadcasts in seednodes, to reduce the
          likelyhood of nodes connecting at the same time, leading to
          message loss.
        - improve general message passing efficiency by 8%, and special
          case json framing for a 50% speed increase.
        - add hints how to interface to aemp nodes from other programming
          languages using the aemp protocol in AnyEvent::MP::Transport
          (it can really be quite simple).
        - handle unsupported remote framings more gracefully.

1.26 Wed Dec 30 16:48:37 CET 2009
        - INCOMPATIBLE CHANGE: the high-level node protocol changed,
          all nodes need to upgrade.
        - remote kil's did not work (reported by Eugene Grigoriev).
        - documented monitor_timeout, connect_interval, auth_offer,
          auth_accept, framing_format, autocork and nodelay options
          and make them configurable via bin/aemp.
        - some doc updates.
        - remote kil's were not synchronous to message sends which affected
          nobody, as remote kils were broken.
        - remote mon/unmonitor requests were not synchronous to message
          sends either sometimes, although it likely didnt matter.

1.24 Wed Dec  9 14:59:52 CET 2009
        - codename "the foul egg".
        - increased "unmonitored local port died" message level to 2, so
          it is displayed by default now.
        - generate random seed at configure time, not module loading time,
          so fork&configure works as expected.
        - decreased "seed"-related message priority in Global from 0 (d'oh)
          to 9, as they are not signifcant.
        - new experimental module AnyEvent::MP::DataConn to establish
          additional data connections between nodes.
        - bin/aemp now loads AnyEvent::Watchdog::Util before trying
          to call restart.
        - bin/aemp setcert didn't properly handle the filename argument.
        - removed empty and unused timeout= parameter from protocol greeting.

1.23 Fri Nov  6 18:46:26 CET 2009
        - listener-less nodes were misinformed by their masters about
          the location of new nodes, and therefore didn't connect
          properly in all cases.
        - messages send during node-up processing could sometimes get lost,
          which would hamper global's ability to mesh the network.
        - fixed AnyEvent::MP::Global::grp_reg to return a guard also
          in scalar context.
        - fixed AnyEvent::MP::Kernel::mon_nodes to return a guard also
          in scalar context.
        - try to improve error reporting when automatically loading
          a function - being unable to load a module will now
          stop the process and report the error.

1.22 Sat Oct 17 03:41:47 CEST 2009
        - fix two rcv-bugs: after adding a tagged rcv, the default
          callback would not be used or changed anymore (reported
          by Felix Antonius Wilhelm Ostmann, with apologies for
          taking so long to releae the fix).
        - added Coro::MP introduction to AnyEvent::MP::Intro.
        - add peval function.

1.21 Mon Oct  5 21:58:36 CEST 2009
        - always delay kil messages.
        - remote monitor requests were never cleaned up (found by
          Sadrak and analysed by elmex).
        - move $VERSION to AnyEvent::MP and AnyEvent::MP only.

1.2  Thu Oct  1 22:59:35 CEST 2009
        - fix a rather big bug where message processing could be
          inhibited completely.
        - grp_mon could not return a guard due to a typo.
        - implement primitive aemp shell.
        - do not use bound address as listen length (reported by
          Felix Antonius Wilhelm Ostman).
        - no longer export an undefined "reg" function from AE::MP.
        - the mon_guard return value no longer keeps an additional
          reference to the passed refs.

1.1  Fri Sep 11 04:34:03 CEST 2009
        - bumped the transport protocol to version 1 - sorry, but there
          were too many bugfixes/changes.
        - new function AnyEvent::MP::cal for simple rpc.
        - renamed AnyEvent::MP::Global functions to grp_reg|get|mon.
        - implemented monitoring for Global groups.
        - removed all userspace time-outs from the transport, instead
          rely on tcp retransmit timeouts and tcp keepalive.
        - spawn now delays spawns on the local node artificially, so
          it can return before invoking the init function.
        - break endless recursion between ping-pong ports on the local
          node after ~50 iterations.
        - support JSON-encoded aemp arguments.
        - added aemp restart.
        - support for starting init functions with parameters added.
        - data_format, auth_offer and auth_accept are now configurable, albeit
          not documented.
        - new service: AnyEvent::MP::LogCatcher.
        - rely on perl srand'ing better than we could.
        - try to backport to 5.8.2, unfortunately, recursive dependencies
          rely on Module::Build, which fails at 5.8.7, so YMMV.
        - use a vastly different reseeding strategy.
        - use seed nodes to notify nodes about new nodes.
        - in the case where a ndoe learns new addresses after it tried
          connecting, prefer the new addrseses over the old ones.

1.0  Wed Sep  2 20:40:43 CEST 2009
        - randomise more connection times, but reduce delay to 0.2s (seeds)
          and 0.05s (normal connects).
        - upgrade to and require AnyEvent::Watchdog 1.0.

0.95 Mon Aug 31 22:03:55 CEST 2009
        - tutorial finally covers all the basics, maybe not optimally, but it
          is covered.
        - rename initialise_node to configure and accepts key => value
          pairs for configuration.
        - give aemp a full manpage.
        - bin/aemp now expects comma-separated lists and supports multiple
          subcommands.
        - new aemp eval subcommand.
        - new aemp parent subcommand.
        - nodes get freed when no longer needed.
        - support "*" hostname to specify all local interface addresses
          (without localhost etc.).
        - support "*" port to specify a dynamically-assigned port (which
          is the default now).
        - fix per-transport memory leak.

0.9  Sat Aug 29 18:47:45 CEST 2009
        - tutorial was updated to reflect the current API, but
          does not touch monitoring yet.
        - got rid of noderefs and slave nodes entirely, introduce
          free-text node identifiers and anonymous nodes.
        - document security issues with tls_anon method and introduce
          optional tls_md6_64_256 method.

0.8  Wed Aug 19 07:54:50 CEST 2009
        - added AnyEvent::MP::Global service.
        - support "package::" names as service names.
        - many, many, many bugfixes and tweaks.

0.7  Sat Aug 15 01:18:51 CEST 2009
        - sorry, another major API simplification.
        - greatly improved aemp configuration abilities.
        - introduced profile management.
        - updated exmaples in eg/.
        - added Kernel::snd_to_func.

0.6  Thu Aug 13 03:15:05 CEST 2009
        - do away with .aemp-secret and use .perl-anyevent-mp as json config
          file.
        - introduce bin/aemp to configure nodes.
        - too many changes to describe.

0.4  Sun Aug  9 18:05:49 CEST 2009
        - API should now be really stable :)
        - distinguish between resolved and unresolved noderefs.
        - certificates in .aemp-secret are now supported.
        - change port creation semantics.
        - replace become_xxx by initialise_node.
        - implement AE::MP::spawn.
        - implement transport timeouts, monitoring, reconnecting.
        - simplify and partially document the transport protocol.

0.1  Tue Aug  4 23:07:11 CEST 2009
        - AnyEvent::MP API should be mostly stable by now.

0.02 Sun Aug  2 17:46:43 CEST 2009
        - design has stabilised a bit, sitll unusable.

0.01 Sat Aug  1 11:43:31 CEST 2009
        - dummy upload to reserve namespace on CPAN.

0.0  Thu Jul 30 06:10:15 CEST 2009
        - original version, an AnyEvent::AIO clone.
Revision:	1.146
Committed:	Fri Mar 23 21:16:25 2012 UTC (12 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.145:	+2 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	Revision history for AnyEvent::MP
2
3	root	1.92	TODO: testsuite
4			TODO: intro: maybe simple job pool example?
5			TODO: intro: mention watchdog...
6	root	1.114	TODO: maybe disbale warnings by default?
7	root	1.121	TODO: listener-scopes (10.0.0.1:4040@vpn) and connect-scopes ("vpn,public")
8	root	1.92
9	root	1.100	faq: can't se anything
10			faq: all is asynch
11			faq: how to interface to non-perl nodes?
12
13	root	1.128	TODO: check gproto, nproto, on connect
14	root	1.130	TODO: eg/*
15	root	1.132	TODO: #TODO##d# markers
16	root	1.144	TODO: limiting reconnecting speed when unreachable?
17	root	1.118	2
18			- INCOMPATIBLE CHANGE: the node protocol used by this version is not
19	root	1.121	compatible to versions <2 - you have to upgrade all nodes.
20	root	1.124	- INCOMPATIBLE CHANGE: many APIs have changed, see the section
21			"PORTING FROM VERSION 1" in the AnyEvent::MP manpage for details.
22	root	1.121	- AnyEvent::MP::Global is now optional - only seed nodes autoload it
23			and create a fully-meshed network with each other, normal nodes only
24			have to connect to seed nodes, other connections are on-demand.
25	root	1.118	- new "norc" and "force" options for MP::configure to ignore
26			or override the rc file.
27	root	1.116	- move seed code to Kernel.
28	root	1.136	- non-json receive framing was probably broken.
29	root	1.118	- fixed small typo in MP::Transport.
30			- fix (unused) provider-kv (version sometimes missing).
31			- reduce the default export list of MP::Kernel.
32	root	1.120	- reduced various random delays to zero, as they
33			are hopefully no longer needed with the new global
34			protocol.
35	root	1.136	- implement a secure mode that can suppress code execution
36	root	1.126	requests on a per-node/per-request basis.
37	root	1.122	- do not use GMP for generating alphanumeric strings even when
38			available, use a more tricky algorithm instead.
39	root	1.121	- anonymous node names and remote port names have been shortened
40			considerably.
41	root	1.136	- $AnyEvent::MP::Kernel::SRCNODE contains the node ID of the origin
42			node during message receives.
43	root	1.122	- aemp shell now supports "package" selection and offers an
44	root	1.138	$ECHO port you can send messages to.
45	root	1.122	- rely on perl rand() instead of using /dev/urandom when available, as
46			hopefully it is random enough.
47	root	1.123	- aemp shell no longer leaks one port per command.
48	root	1.125	- nodenames can contain %-escapes such as %n or %u.
49			- aemp now uses aemp/%n/%u as nodename.
50	root	1.143	- configure supports "eval", a small perl snippet to initialsie a node,
51			most useful in "aemp run eval ...".
52	root	1.124	- known_nodes is gone, it has little value, use all_nodes as
53			replacement.
54	root	1.125	- lots of small change and improvements.
55	root	1.134	- node_is_known has been removed.
56	root	1.129	- TRACE now shows the portid on SND.
57	root	1.145	- aggressively reduce number of external modules, to reduce
58			memory usage for nodes.
59	root	1.146	- rework most of the documentation.
60			- clean up MP::Kernel exports.
61	elmex	1.115
62	root	1.114	1.30 Thu Jun 30 11:30:39 CEST 2011
63			- connection errors at the right time would kill node
64			connections in a bad way (patch by Malcolm Studd).
65	root	1.107
66	root	1.113	1.29 Fri May 7 20:13:39 CEST 2010
67			- codename "Sadrak".
68	root	1.111	- fix error in callback at AnyEvent/MP/Global.pm line 339
69			(found by Sadrak).
70	root	1.108	- listener-less nodes had trouble sending keepalive
71	root	1.109	messages on write timeouts (found by Sadrak).
72			- the monitor guard could cause a memleak due
73			to autovivification if a mon was cleared after
74			the port was gone (analysed by Sadrak).
75	root	1.112	- do not overwrite the config file if we couldn't read it
76			for some reason (lesson demonstrated by Sadrak).
77	root	1.108
78	root	1.106	1.28 Thu Apr 1 21:23:54 CEST 2010
79	root	1.111	- accepted connections didn't correctly set up the SRCNODE
80	root	1.106	in some cases, leading to intra-node messages (such as monitoring)
81			to fail silently (great testcase by Sadrak).
82
83	root	1.105	1.27 Sat Mar 20 21:11:16 CET 2010
84	root	1.101	- avoid exceptions in the transport code if the connection
85			fails during TLS negotiation.
86	root	1.102	- delay new address broadcasts in seednodes, to reduce the
87	root	1.103	likelyhood of nodes connecting at the same time, leading to
88	root	1.102	message loss.
89	root	1.104	- improve general message passing efficiency by 8%, and special
90			case json framing for a 50% speed increase.
91	root	1.99	- add hints how to interface to aemp nodes from other programming
92			languages using the aemp protocol in AnyEvent::MP::Transport
93			(it can really be quite simple).
94	root	1.100	- handle unsupported remote framings more gracefully.
95	root	1.99
96	root	1.98	1.26 Wed Dec 30 16:48:37 CET 2009
97	root	1.94	- INCOMPATIBLE CHANGE: the high-level node protocol changed,
98			all nodes need to upgrade.
99	root	1.93	- remote kil's did not work (reported by Eugene Grigoriev).
100	root	1.94	- documented monitor_timeout, connect_interval, auth_offer,
101			auth_accept, framing_format, autocork and nodelay options
102			and make them configurable via bin/aemp.
103	root	1.96	- some doc updates.
104			- remote kil's were not synchronous to message sends which affected
105			nobody, as remote kils were broken.
106	root	1.97	- remote mon/unmonitor requests were not synchronous to message
107			sends either sometimes, although it likely didnt matter.
108	root	1.92
109	root	1.91	1.24 Wed Dec 9 14:59:52 CET 2009
110	root	1.87	- codename "the foul egg".
111			- increased "unmonitored local port died" message level to 2, so
112			it is displayed by default now.
113	root	1.89	- generate random seed at configure time, not module loading time,
114			so fork&configure works as expected.
115	root	1.88	- decreased "seed"-related message priority in Global from 0 (d'oh)
116			to 9, as they are not signifcant.
117	root	1.85	- new experimental module AnyEvent::MP::DataConn to establish
118			additional data connections between nodes.
119	root	1.84	- bin/aemp now loads AnyEvent::Watchdog::Util before trying
120			to call restart.
121	elmex	1.86	- bin/aemp setcert didn't properly handle the filename argument.
122	root	1.90	- removed empty and unused timeout= parameter from protocol greeting.
123	root	1.44
124	root	1.82	1.23 Fri Nov 6 18:46:26 CET 2009
125	root	1.80	- listener-less nodes were misinformed by their masters about
126			the location of new nodes, and therefore didn't connect
127			properly in all cases.
128	root	1.81	- messages send during node-up processing could sometimes get lost,
129			which would hamper global's ability to mesh the network.
130			- fixed AnyEvent::MP::Global::grp_reg to return a guard also
131			in scalar context.
132			- fixed AnyEvent::MP::Kernel::mon_nodes to return a guard also
133			in scalar context.
134	root	1.79	- try to improve error reporting when automatically loading
135			a function - being unable to load a module will now
136			stop the process and report the error.
137	elmex	1.78
138	root	1.77	1.22 Sat Oct 17 03:41:47 CEST 2009
139			- fix two rcv-bugs: after adding a tagged rcv, the default
140			callback would not be used or changed anymore (reported
141			by Felix Antonius Wilhelm Ostmann, with apologies for
142			taking so long to releae the fix).
143	root	1.76	- added Coro::MP introduction to AnyEvent::MP::Intro.
144	root	1.75	- add peval function.
145
146	root	1.74	1.21 Mon Oct 5 21:58:36 CEST 2009
147	root	1.72	- always delay kil messages.
148	root	1.74	- remote monitor requests were never cleaned up (found by
149			Sadrak and analysed by elmex).
150			- move $VERSION to AnyEvent::MP and AnyEvent::MP only.
151	root	1.72
152	root	1.71	1.2 Thu Oct 1 22:59:35 CEST 2009
153	root	1.70	- fix a rather big bug where message processing could be
154			inhibited completely.
155	root	1.65	- grp_mon could not return a guard due to a typo.
156	root	1.66	- implement primitive aemp shell.
157	root	1.67	- do not use bound address as listen length (reported by
158			Felix Antonius Wilhelm Ostman).
159	root	1.68	- no longer export an undefined "reg" function from AE::MP.
160	root	1.69	- the mon_guard return value no longer keeps an additional
161			reference to the passed refs.
162	root	1.65
163	root	1.64	1.1 Fri Sep 11 04:34:03 CEST 2009
164	root	1.63	- bumped the transport protocol to version 1 - sorry, but there
165			were too many bugfixes/changes.
166			- new function AnyEvent::MP::cal for simple rpc.
167	root	1.49	- renamed AnyEvent::MP::Global functions to grp_reg\|get\|mon.
168	root	1.63	- implemented monitoring for Global groups.
169	root	1.50	- removed all userspace time-outs from the transport, instead
170			rely on tcp retransmit timeouts and tcp keepalive.
171	root	1.48	- spawn now delays spawns on the local node artificially, so
172			it can return before invoking the init function.
173	root	1.55	- break endless recursion between ping-pong ports on the local
174			node after ~50 iterations.
175	root	1.47	- support JSON-encoded aemp arguments.
176	root	1.51	- added aemp restart.
177	root	1.52	- support for starting init functions with parameters added.
178	root	1.53	- data_format, auth_offer and auth_accept are now configurable, albeit
179			not documented.
180	root	1.54	- new service: AnyEvent::MP::LogCatcher.
181	root	1.58	- rely on perl srand'ing better than we could.
182			- try to backport to 5.8.2, unfortunately, recursive dependencies
183			rely on Module::Build, which fails at 5.8.7, so YMMV.
184			- use a vastly different reseeding strategy.
185	root	1.61	- use seed nodes to notify nodes about new nodes.
186	root	1.63	- in the case where a ndoe learns new addresses after it tried
187			connecting, prefer the new addrseses over the old ones.
188	root	1.46
189	root	1.45	1.0 Wed Sep 2 20:40:43 CEST 2009
190	root	1.44	- randomise more connection times, but reduce delay to 0.2s (seeds)
191			and 0.05s (normal connects).
192	root	1.45	- upgrade to and require AnyEvent::Watchdog 1.0.
193	root	1.36
194	root	1.42	0.95 Mon Aug 31 22:03:55 CEST 2009
195	root	1.43	- tutorial finally covers all the basics, maybe not optimally, but it
196			is covered.
197	root	1.38	- rename initialise_node to configure and accepts key => value
198			pairs for configuration.
199	root	1.33	- give aemp a full manpage.
200	root	1.30	- bin/aemp now expects comma-separated lists and supports multiple
201			subcommands.
202	root	1.31	- new aemp eval subcommand.
203	root	1.34	- new aemp parent subcommand.
204	root	1.31	- nodes get freed when no longer needed.
205	root	1.35	- support "*" hostname to specify all local interface addresses
206			(without localhost etc.).
207	root	1.38	- support "*" port to specify a dynamically-assigned port (which
208			is the default now).
209	root	1.32	- fix per-transport memory leak.
210	root	1.30
211	root	1.29	0.9 Sat Aug 29 18:47:45 CEST 2009
212			- tutorial was updated to reflect the current API, but
213	root	1.43	does not touch monitoring yet.
214	root	1.24	- got rid of noderefs and slave nodes entirely, introduce
215	root	1.25	free-text node identifiers and anonymous nodes.
216	root	1.26	- document security issues with tls_anon method and introduce
217			optional tls_md6_64_256 method.
218	root	1.23
219			0.8 Wed Aug 19 07:54:50 CEST 2009
220	root	1.22	- added AnyEvent::MP::Global service.
221	root	1.20	- support "package::" names as service names.
222	root	1.21	- many, many, many bugfixes and tweaks.
223	root	1.20
224	root	1.19	0.7 Sat Aug 15 01:18:51 CEST 2009
225			- sorry, another major API simplification.
226	root	1.17	- greatly improved aemp configuration abilities.
227			- introduced profile management.
228	root	1.18	- updated exmaples in eg/.
229			- added Kernel::snd_to_func.
230	root	1.16
231	root	1.14	0.6 Thu Aug 13 03:15:05 CEST 2009
232			- do away with .aemp-secret and use .perl-anyevent-mp as json config
233	root	1.13	file.
234	root	1.14	- introduce bin/aemp to configure nodes.
235	root	1.15	- too many changes to describe.
236	root	1.13
237	root	1.12	0.4 Sun Aug 9 18:05:49 CEST 2009
238	root	1.11	- API should now be really stable :)
239	root	1.8	- distinguish between resolved and unresolved noderefs.
240	root	1.6	- certificates in .aemp-secret are now supported.
241	root	1.9	- change port creation semantics.
242			- replace become_xxx by initialise_node.
243	root	1.10	- implement AE::MP::spawn.
244	root	1.11	- implement transport timeouts, monitoring, reconnecting.
245			- simplify and partially document the transport protocol.
246	root	1.6
247	root	1.5	0.1 Tue Aug 4 23:07:11 CEST 2009
248	root	1.6	- AnyEvent::MP API should be mostly stable by now.
249	root	1.5
250	root	1.3	0.02 Sun Aug 2 17:46:43 CEST 2009
251			- design has stabilised a bit, sitll unusable.
252
253	root	1.2	0.01 Sat Aug 1 11:43:31 CEST 2009
254			- dummy upload to reserve namespace on CPAN.
255
256	root	1.1	0.0 Thu Jul 30 06:10:15 CEST 2009
257			- original version, an AnyEvent::AIO clone.