[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: update docs
TODO: secure - do not allow remote code execution
TODO: switch to AnyEvent::Log
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: maybe check g_proto version, if sent? how about node protocol?
TODO: connect instantly in node->connect, not with timer-0
TODO: maybe switch to md5+sha1+sha256 or so...
TODO: up_nodes for aemp-trace replace by rpc call?
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.
        - 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.
        - 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.
        - aemp shell now supports "package" selection and offers an
          $ECHO port you cna 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.
        - known_nodes is gone, it has little value, use all_nodes as
          replacement.
        - lots of small change and improvements.

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:	1.125
Committed:	Sat Mar 3 19:43:41 2012 UTC (12 years, 2 months ago) by root
Branch:	MAIN
Changes since 1.124:	+3 -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	1.121	TODO: update docs
14			TODO: secure - do not allow remote code execution
15			TODO: switch to AnyEvent::Log
16	root	1.116	TODO: Global loaded on demand only, adds grp database and node address database
17			TODO: transport connects use any global node to find addresses (maybe itself)
18	root	1.121	TODO: maybe check g_proto version, if sent? how about node protocol?
19			TODO: connect instantly in node->connect, not with timer-0
20			TODO: maybe switch to md5+sha1+sha256 or so...
21	root	1.122	TODO: up_nodes for aemp-trace replace by rpc call?
22	root	1.118	2
23			- INCOMPATIBLE CHANGE: the node protocol used by this version is not
24	root	1.121	compatible to versions <2 - you have to upgrade all nodes.
25	root	1.124	- INCOMPATIBLE CHANGE: many APIs have changed, see the section
26			"PORTING FROM VERSION 1" in the AnyEvent::MP manpage for details.
27	root	1.121	- AnyEvent::MP::Global is now optional - only seed nodes autoload it
28			and create a fully-meshed network with each other, normal nodes only
29			have to connect to seed nodes, other connections are on-demand.
30	root	1.118	- new "norc" and "force" options for MP::configure to ignore
31			or override the rc file.
32	root	1.116	- move seed code to Kernel.
33	root	1.118	- fixed small typo in MP::Transport.
34			- fix (unused) provider-kv (version sometimes missing).
35			- reduce the default export list of MP::Kernel.
36	root	1.120	- reduced various random delays to zero, as they
37			are hopefully no longer needed with the new global
38			protocol.
39	root	1.122	- do not use GMP for generating alphanumeric strings even when
40			available, use a more tricky algorithm instead.
41	root	1.121	- anonymous node names and remote port names have been shortened
42			considerably.
43	root	1.122	- aemp shell now supports "package" selection and offers an
44			$ECHO port you cna send messages to.
45			- 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	1.124	- known_nodes is gone, it has little value, use all_nodes as
51			replacement.
52	root	1.125	- lots of small change and improvements.
53	elmex	1.115
54	root	1.114	1.30 Thu Jun 30 11:30:39 CEST 2011
55			- connection errors at the right time would kill node
56			connections in a bad way (patch by Malcolm Studd).
57	root	1.107
58	root	1.113	1.29 Fri May 7 20:13:39 CEST 2010
59			- codename "Sadrak".
60	root	1.111	- fix error in callback at AnyEvent/MP/Global.pm line 339
61			(found by Sadrak).
62	root	1.108	- listener-less nodes had trouble sending keepalive
63	root	1.109	messages on write timeouts (found by Sadrak).
64			- the monitor guard could cause a memleak due
65			to autovivification if a mon was cleared after
66			the port was gone (analysed by Sadrak).
67	root	1.112	- do not overwrite the config file if we couldn't read it
68			for some reason (lesson demonstrated by Sadrak).
69	root	1.108
70	root	1.106	1.28 Thu Apr 1 21:23:54 CEST 2010
71	root	1.111	- accepted connections didn't correctly set up the SRCNODE
72	root	1.106	in some cases, leading to intra-node messages (such as monitoring)
73			to fail silently (great testcase by Sadrak).
74
75	root	1.105	1.27 Sat Mar 20 21:11:16 CET 2010
76	root	1.101	- avoid exceptions in the transport code if the connection
77			fails during TLS negotiation.
78	root	1.102	- delay new address broadcasts in seednodes, to reduce the
79	root	1.103	likelyhood of nodes connecting at the same time, leading to
80	root	1.102	message loss.
81	root	1.104	- improve general message passing efficiency by 8%, and special
82			case json framing for a 50% speed increase.
83	root	1.99	- add hints how to interface to aemp nodes from other programming
84			languages using the aemp protocol in AnyEvent::MP::Transport
85			(it can really be quite simple).
86	root	1.100	- handle unsupported remote framings more gracefully.
87	root	1.99
88	root	1.98	1.26 Wed Dec 30 16:48:37 CET 2009
89	root	1.94	- INCOMPATIBLE CHANGE: the high-level node protocol changed,
90			all nodes need to upgrade.
91	root	1.93	- remote kil's did not work (reported by Eugene Grigoriev).
92	root	1.94	- documented monitor_timeout, connect_interval, auth_offer,
93			auth_accept, framing_format, autocork and nodelay options
94			and make them configurable via bin/aemp.
95	root	1.96	- some doc updates.
96			- remote kil's were not synchronous to message sends which affected
97			nobody, as remote kils were broken.
98	root	1.97	- remote mon/unmonitor requests were not synchronous to message
99			sends either sometimes, although it likely didnt matter.
100	root	1.92
101	root	1.91	1.24 Wed Dec 9 14:59:52 CET 2009
102	root	1.87	- codename "the foul egg".
103			- increased "unmonitored local port died" message level to 2, so
104			it is displayed by default now.
105	root	1.89	- generate random seed at configure time, not module loading time,
106			so fork&configure works as expected.
107	root	1.88	- decreased "seed"-related message priority in Global from 0 (d'oh)
108			to 9, as they are not signifcant.
109	root	1.85	- new experimental module AnyEvent::MP::DataConn to establish
110			additional data connections between nodes.
111	root	1.84	- bin/aemp now loads AnyEvent::Watchdog::Util before trying
112			to call restart.
113	elmex	1.86	- bin/aemp setcert didn't properly handle the filename argument.
114	root	1.90	- removed empty and unused timeout= parameter from protocol greeting.
115	root	1.44
116	root	1.82	1.23 Fri Nov 6 18:46:26 CET 2009
117	root	1.80	- listener-less nodes were misinformed by their masters about
118			the location of new nodes, and therefore didn't connect
119			properly in all cases.
120	root	1.81	- messages send during node-up processing could sometimes get lost,
121			which would hamper global's ability to mesh the network.
122			- fixed AnyEvent::MP::Global::grp_reg to return a guard also
123			in scalar context.
124			- fixed AnyEvent::MP::Kernel::mon_nodes to return a guard also
125			in scalar context.
126	root	1.79	- try to improve error reporting when automatically loading
127			a function - being unable to load a module will now
128			stop the process and report the error.
129	elmex	1.78
130	root	1.77	1.22 Sat Oct 17 03:41:47 CEST 2009
131			- fix two rcv-bugs: after adding a tagged rcv, the default
132			callback would not be used or changed anymore (reported
133			by Felix Antonius Wilhelm Ostmann, with apologies for
134			taking so long to releae the fix).
135	root	1.76	- added Coro::MP introduction to AnyEvent::MP::Intro.
136	root	1.75	- add peval function.
137
138	root	1.74	1.21 Mon Oct 5 21:58:36 CEST 2009
139	root	1.72	- always delay kil messages.
140	root	1.74	- remote monitor requests were never cleaned up (found by
141			Sadrak and analysed by elmex).
142			- move $VERSION to AnyEvent::MP and AnyEvent::MP only.
143	root	1.72
144	root	1.71	1.2 Thu Oct 1 22:59:35 CEST 2009
145	root	1.70	- fix a rather big bug where message processing could be
146			inhibited completely.
147	root	1.65	- grp_mon could not return a guard due to a typo.
148	root	1.66	- implement primitive aemp shell.
149	root	1.67	- do not use bound address as listen length (reported by
150			Felix Antonius Wilhelm Ostman).
151	root	1.68	- no longer export an undefined "reg" function from AE::MP.
152	root	1.69	- the mon_guard return value no longer keeps an additional
153			reference to the passed refs.
154	root	1.65
155	root	1.64	1.1 Fri Sep 11 04:34:03 CEST 2009
156	root	1.63	- bumped the transport protocol to version 1 - sorry, but there
157			were too many bugfixes/changes.
158			- new function AnyEvent::MP::cal for simple rpc.
159	root	1.49	- renamed AnyEvent::MP::Global functions to grp_reg\|get\|mon.
160	root	1.63	- implemented monitoring for Global groups.
161	root	1.50	- removed all userspace time-outs from the transport, instead
162			rely on tcp retransmit timeouts and tcp keepalive.
163	root	1.48	- spawn now delays spawns on the local node artificially, so
164			it can return before invoking the init function.
165	root	1.55	- break endless recursion between ping-pong ports on the local
166			node after ~50 iterations.
167	root	1.47	- support JSON-encoded aemp arguments.
168	root	1.51	- added aemp restart.
169	root	1.52	- support for starting init functions with parameters added.
170	root	1.53	- data_format, auth_offer and auth_accept are now configurable, albeit
171			not documented.
172	root	1.54	- new service: AnyEvent::MP::LogCatcher.
173	root	1.58	- rely on perl srand'ing better than we could.
174			- try to backport to 5.8.2, unfortunately, recursive dependencies
175			rely on Module::Build, which fails at 5.8.7, so YMMV.
176			- use a vastly different reseeding strategy.
177	root	1.61	- use seed nodes to notify nodes about new nodes.
178	root	1.63	- in the case where a ndoe learns new addresses after it tried
179			connecting, prefer the new addrseses over the old ones.
180	root	1.46
181	root	1.45	1.0 Wed Sep 2 20:40:43 CEST 2009
182	root	1.44	- randomise more connection times, but reduce delay to 0.2s (seeds)
183			and 0.05s (normal connects).
184	root	1.45	- upgrade to and require AnyEvent::Watchdog 1.0.
185	root	1.36
186	root	1.42	0.95 Mon Aug 31 22:03:55 CEST 2009
187	root	1.43	- tutorial finally covers all the basics, maybe not optimally, but it
188			is covered.
189	root	1.38	- rename initialise_node to configure and accepts key => value
190			pairs for configuration.
191	root	1.33	- give aemp a full manpage.
192	root	1.30	- bin/aemp now expects comma-separated lists and supports multiple
193			subcommands.
194	root	1.31	- new aemp eval subcommand.
195	root	1.34	- new aemp parent subcommand.
196	root	1.31	- nodes get freed when no longer needed.
197	root	1.35	- support "*" hostname to specify all local interface addresses
198			(without localhost etc.).
199	root	1.38	- support "*" port to specify a dynamically-assigned port (which
200			is the default now).
201	root	1.32	- fix per-transport memory leak.
202	root	1.30
203	root	1.29	0.9 Sat Aug 29 18:47:45 CEST 2009
204			- tutorial was updated to reflect the current API, but
205	root	1.43	does not touch monitoring yet.
206	root	1.24	- got rid of noderefs and slave nodes entirely, introduce
207	root	1.25	free-text node identifiers and anonymous nodes.
208	root	1.26	- document security issues with tls_anon method and introduce
209			optional tls_md6_64_256 method.
210	root	1.23
211			0.8 Wed Aug 19 07:54:50 CEST 2009
212	root	1.22	- added AnyEvent::MP::Global service.
213	root	1.20	- support "package::" names as service names.
214	root	1.21	- many, many, many bugfixes and tweaks.
215	root	1.20
216	root	1.19	0.7 Sat Aug 15 01:18:51 CEST 2009
217			- sorry, another major API simplification.
218	root	1.17	- greatly improved aemp configuration abilities.
219			- introduced profile management.
220	root	1.18	- updated exmaples in eg/.
221			- added Kernel::snd_to_func.
222	root	1.16
223	root	1.14	0.6 Thu Aug 13 03:15:05 CEST 2009
224			- do away with .aemp-secret and use .perl-anyevent-mp as json config
225	root	1.13	file.
226	root	1.14	- introduce bin/aemp to configure nodes.
227	root	1.15	- too many changes to describe.
228	root	1.13
229	root	1.12	0.4 Sun Aug 9 18:05:49 CEST 2009
230	root	1.11	- API should now be really stable :)
231	root	1.8	- distinguish between resolved and unresolved noderefs.
232	root	1.6	- certificates in .aemp-secret are now supported.
233	root	1.9	- change port creation semantics.
234			- replace become_xxx by initialise_node.
235	root	1.10	- implement AE::MP::spawn.
236	root	1.11	- implement transport timeouts, monitoring, reconnecting.
237			- simplify and partially document the transport protocol.
238	root	1.6
239	root	1.5	0.1 Tue Aug 4 23:07:11 CEST 2009
240	root	1.6	- AnyEvent::MP API should be mostly stable by now.
241	root	1.5
242	root	1.3	0.02 Sun Aug 2 17:46:43 CEST 2009
243			- design has stabilised a bit, sitll unusable.
244
245	root	1.2	0.01 Sat Aug 1 11:43:31 CEST 2009
246			- dummy upload to reserve namespace on CPAN.
247
248	root	1.1	0.0 Thu Jul 30 06:10:15 CEST 2009
249			- original version, an AnyEvent::AIO clone.