[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: networkdomains
TODO: group proxy nodes - store group membership for other nodes
TODO: switch to AnyEvent::Log

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

TODO: AnyEvent::MP gets grp_reg, grp_get
TODO: AnyEvent::MP keeps list of all "global" nodes
TODO: Global loaded on demand only, adds grp database and node address database
TODO: transport connects use any global node to find addresses (maybe itself)
TODO: not really
TODO: nuke global_req/g_reply
TODO: use AE::log
TODO: maybe check g_proto version?
TODO: connect instantly in node->connect

2
        - INCOMPATIBLE CHANGE: the node protocol used by this version is not
          compatible to versions <2 - you have to upgrade all node
        - new "norc" and "force" options for MP::configure to ignore
          or override the rc file.
        - move seed code to Kernel.
        - 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.

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:	1.120
Committed:	Wed Feb 29 19:23:44 2012 UTC (12 years, 2 months ago) by root
Branch:	MAIN
Changes since 1.119:	+6 -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	1.116	TODO: networkdomains
8			TODO: group proxy nodes - store group membership for other nodes
9			TODO: switch to AnyEvent::Log
10	root	1.92
11	root	1.100	faq: can't se anything
12			faq: all is asynch
13			faq: how to interface to non-perl nodes?
14
15	root	1.118	TODO: AnyEvent::MP gets grp_reg, grp_get
16	root	1.116	TODO: AnyEvent::MP keeps list of all "global" nodes
17			TODO: Global loaded on demand only, adds grp database and node address database
18			TODO: transport connects use any global node to find addresses (maybe itself)
19			TODO: not really
20	root	1.119	TODO: nuke global_req/g_reply
21	root	1.120	TODO: use AE::log
22			TODO: maybe check g_proto version?
23			TODO: connect instantly in node->connect
24	root	1.116
25	root	1.118	2
26			- INCOMPATIBLE CHANGE: the node protocol used by this version is not
27			compatible to versions <2 - you have to upgrade all node
28			- new "norc" and "force" options for MP::configure to ignore
29			or override the rc file.
30	root	1.116	- move seed code to Kernel.
31	root	1.118	- fixed small typo in MP::Transport.
32			- fix (unused) provider-kv (version sometimes missing).
33			- reduce the default export list of MP::Kernel.
34	root	1.120	- reduced various random delays to zero, as they
35			are hopefully no longer needed with the new global
36			protocol.
37	elmex	1.115
38	root	1.114	1.30 Thu Jun 30 11:30:39 CEST 2011
39			- connection errors at the right time would kill node
40			connections in a bad way (patch by Malcolm Studd).
41	root	1.107
42	root	1.113	1.29 Fri May 7 20:13:39 CEST 2010
43			- codename "Sadrak".
44	root	1.111	- fix error in callback at AnyEvent/MP/Global.pm line 339
45			(found by Sadrak).
46	root	1.108	- listener-less nodes had trouble sending keepalive
47	root	1.109	messages on write timeouts (found by Sadrak).
48			- the monitor guard could cause a memleak due
49			to autovivification if a mon was cleared after
50			the port was gone (analysed by Sadrak).
51	root	1.112	- do not overwrite the config file if we couldn't read it
52			for some reason (lesson demonstrated by Sadrak).
53	root	1.108
54	root	1.106	1.28 Thu Apr 1 21:23:54 CEST 2010
55	root	1.111	- accepted connections didn't correctly set up the SRCNODE
56	root	1.106	in some cases, leading to intra-node messages (such as monitoring)
57			to fail silently (great testcase by Sadrak).
58
59	root	1.105	1.27 Sat Mar 20 21:11:16 CET 2010
60	root	1.101	- avoid exceptions in the transport code if the connection
61			fails during TLS negotiation.
62	root	1.102	- delay new address broadcasts in seednodes, to reduce the
63	root	1.103	likelyhood of nodes connecting at the same time, leading to
64	root	1.102	message loss.
65	root	1.104	- improve general message passing efficiency by 8%, and special
66			case json framing for a 50% speed increase.
67	root	1.99	- add hints how to interface to aemp nodes from other programming
68			languages using the aemp protocol in AnyEvent::MP::Transport
69			(it can really be quite simple).
70	root	1.100	- handle unsupported remote framings more gracefully.
71	root	1.99
72	root	1.98	1.26 Wed Dec 30 16:48:37 CET 2009
73	root	1.94	- INCOMPATIBLE CHANGE: the high-level node protocol changed,
74			all nodes need to upgrade.
75	root	1.93	- remote kil's did not work (reported by Eugene Grigoriev).
76	root	1.94	- documented monitor_timeout, connect_interval, auth_offer,
77			auth_accept, framing_format, autocork and nodelay options
78			and make them configurable via bin/aemp.
79	root	1.96	- some doc updates.
80			- remote kil's were not synchronous to message sends which affected
81			nobody, as remote kils were broken.
82	root	1.97	- remote mon/unmonitor requests were not synchronous to message
83			sends either sometimes, although it likely didnt matter.
84	root	1.92
85	root	1.91	1.24 Wed Dec 9 14:59:52 CET 2009
86	root	1.87	- codename "the foul egg".
87			- increased "unmonitored local port died" message level to 2, so
88			it is displayed by default now.
89	root	1.89	- generate random seed at configure time, not module loading time,
90			so fork&configure works as expected.
91	root	1.88	- decreased "seed"-related message priority in Global from 0 (d'oh)
92			to 9, as they are not signifcant.
93	root	1.85	- new experimental module AnyEvent::MP::DataConn to establish
94			additional data connections between nodes.
95	root	1.84	- bin/aemp now loads AnyEvent::Watchdog::Util before trying
96			to call restart.
97	elmex	1.86	- bin/aemp setcert didn't properly handle the filename argument.
98	root	1.90	- removed empty and unused timeout= parameter from protocol greeting.
99	root	1.44
100	root	1.82	1.23 Fri Nov 6 18:46:26 CET 2009
101	root	1.80	- listener-less nodes were misinformed by their masters about
102			the location of new nodes, and therefore didn't connect
103			properly in all cases.
104	root	1.81	- messages send during node-up processing could sometimes get lost,
105			which would hamper global's ability to mesh the network.
106			- fixed AnyEvent::MP::Global::grp_reg to return a guard also
107			in scalar context.
108			- fixed AnyEvent::MP::Kernel::mon_nodes to return a guard also
109			in scalar context.
110	root	1.79	- try to improve error reporting when automatically loading
111			a function - being unable to load a module will now
112			stop the process and report the error.
113	elmex	1.78
114	root	1.77	1.22 Sat Oct 17 03:41:47 CEST 2009
115			- fix two rcv-bugs: after adding a tagged rcv, the default
116			callback would not be used or changed anymore (reported
117			by Felix Antonius Wilhelm Ostmann, with apologies for
118			taking so long to releae the fix).
119	root	1.76	- added Coro::MP introduction to AnyEvent::MP::Intro.
120	root	1.75	- add peval function.
121
122	root	1.74	1.21 Mon Oct 5 21:58:36 CEST 2009
123	root	1.72	- always delay kil messages.
124	root	1.74	- remote monitor requests were never cleaned up (found by
125			Sadrak and analysed by elmex).
126			- move $VERSION to AnyEvent::MP and AnyEvent::MP only.
127	root	1.72
128	root	1.71	1.2 Thu Oct 1 22:59:35 CEST 2009
129	root	1.70	- fix a rather big bug where message processing could be
130			inhibited completely.
131	root	1.65	- grp_mon could not return a guard due to a typo.
132	root	1.66	- implement primitive aemp shell.
133	root	1.67	- do not use bound address as listen length (reported by
134			Felix Antonius Wilhelm Ostman).
135	root	1.68	- no longer export an undefined "reg" function from AE::MP.
136	root	1.69	- the mon_guard return value no longer keeps an additional
137			reference to the passed refs.
138	root	1.65
139	root	1.64	1.1 Fri Sep 11 04:34:03 CEST 2009
140	root	1.63	- bumped the transport protocol to version 1 - sorry, but there
141			were too many bugfixes/changes.
142			- new function AnyEvent::MP::cal for simple rpc.
143	root	1.49	- renamed AnyEvent::MP::Global functions to grp_reg\|get\|mon.
144	root	1.63	- implemented monitoring for Global groups.
145	root	1.50	- removed all userspace time-outs from the transport, instead
146			rely on tcp retransmit timeouts and tcp keepalive.
147	root	1.48	- spawn now delays spawns on the local node artificially, so
148			it can return before invoking the init function.
149	root	1.55	- break endless recursion between ping-pong ports on the local
150			node after ~50 iterations.
151	root	1.47	- support JSON-encoded aemp arguments.
152	root	1.51	- added aemp restart.
153	root	1.52	- support for starting init functions with parameters added.
154	root	1.53	- data_format, auth_offer and auth_accept are now configurable, albeit
155			not documented.
156	root	1.54	- new service: AnyEvent::MP::LogCatcher.
157	root	1.58	- rely on perl srand'ing better than we could.
158			- try to backport to 5.8.2, unfortunately, recursive dependencies
159			rely on Module::Build, which fails at 5.8.7, so YMMV.
160			- use a vastly different reseeding strategy.
161	root	1.61	- use seed nodes to notify nodes about new nodes.
162	root	1.63	- in the case where a ndoe learns new addresses after it tried
163			connecting, prefer the new addrseses over the old ones.
164	root	1.46
165	root	1.45	1.0 Wed Sep 2 20:40:43 CEST 2009
166	root	1.44	- randomise more connection times, but reduce delay to 0.2s (seeds)
167			and 0.05s (normal connects).
168	root	1.45	- upgrade to and require AnyEvent::Watchdog 1.0.
169	root	1.36
170	root	1.42	0.95 Mon Aug 31 22:03:55 CEST 2009
171	root	1.43	- tutorial finally covers all the basics, maybe not optimally, but it
172			is covered.
173	root	1.38	- rename initialise_node to configure and accepts key => value
174			pairs for configuration.
175	root	1.33	- give aemp a full manpage.
176	root	1.30	- bin/aemp now expects comma-separated lists and supports multiple
177			subcommands.
178	root	1.31	- new aemp eval subcommand.
179	root	1.34	- new aemp parent subcommand.
180	root	1.31	- nodes get freed when no longer needed.
181	root	1.35	- support "*" hostname to specify all local interface addresses
182			(without localhost etc.).
183	root	1.38	- support "*" port to specify a dynamically-assigned port (which
184			is the default now).
185	root	1.32	- fix per-transport memory leak.
186	root	1.30
187	root	1.29	0.9 Sat Aug 29 18:47:45 CEST 2009
188			- tutorial was updated to reflect the current API, but
189	root	1.43	does not touch monitoring yet.
190	root	1.24	- got rid of noderefs and slave nodes entirely, introduce
191	root	1.25	free-text node identifiers and anonymous nodes.
192	root	1.26	- document security issues with tls_anon method and introduce
193			optional tls_md6_64_256 method.
194	root	1.23
195			0.8 Wed Aug 19 07:54:50 CEST 2009
196	root	1.22	- added AnyEvent::MP::Global service.
197	root	1.20	- support "package::" names as service names.
198	root	1.21	- many, many, many bugfixes and tweaks.
199	root	1.20
200	root	1.19	0.7 Sat Aug 15 01:18:51 CEST 2009
201			- sorry, another major API simplification.
202	root	1.17	- greatly improved aemp configuration abilities.
203			- introduced profile management.
204	root	1.18	- updated exmaples in eg/.
205			- added Kernel::snd_to_func.
206	root	1.16
207	root	1.14	0.6 Thu Aug 13 03:15:05 CEST 2009
208			- do away with .aemp-secret and use .perl-anyevent-mp as json config
209	root	1.13	file.
210	root	1.14	- introduce bin/aemp to configure nodes.
211	root	1.15	- too many changes to describe.
212	root	1.13
213	root	1.12	0.4 Sun Aug 9 18:05:49 CEST 2009
214	root	1.11	- API should now be really stable :)
215	root	1.8	- distinguish between resolved and unresolved noderefs.
216	root	1.6	- certificates in .aemp-secret are now supported.
217	root	1.9	- change port creation semantics.
218			- replace become_xxx by initialise_node.
219	root	1.10	- implement AE::MP::spawn.
220	root	1.11	- implement transport timeouts, monitoring, reconnecting.
221			- simplify and partially document the transport protocol.
222	root	1.6
223	root	1.5	0.1 Tue Aug 4 23:07:11 CEST 2009
224	root	1.6	- AnyEvent::MP API should be mostly stable by now.
225	root	1.5
226	root	1.3	0.02 Sun Aug 2 17:46:43 CEST 2009
227			- design has stabilised a bit, sitll unusable.
228
229	root	1.2	0.01 Sat Aug 1 11:43:31 CEST 2009
230			- dummy upload to reserve namespace on CPAN.
231
232	root	1.1	0.0 Thu Jul 30 06:10:15 CEST 2009
233			- original version, an AnyEvent::AIO clone.