1 PHASE #1: (Goal: settle key design questions)
4 * hostlist server (MHD-side)
5 * hostlist client (CURL-side); monitoring of number of active connections (to establish need for bootstrapping)
6 * hostlist server URL advertising & learning via P2P
9 * Selecting peers from peerinfo for connects; blacklisting
10 * Managing connections, F2F configuration obedience, rejecting prohibited connections
11 * Forwarding of known HELLOs to neighbours (advertising)
12 [ Inbound HELLOs are processed by transport, right?
13 But what about inbound encrypted HELLOs? ]
16 * Make sure ARM supports daemons (non-service background processes, see hostlist/topology)
19 * improve disk API [Nils]
22 For these functions, it would be nice if we had testcases ("make check")
23 that would cause them to be executed and check that they are working:
24 * gnunet-service-peerinfo:
25 - change_host_trust / flush_trust
27 - discard_hosts_helper / cron_clean_data_hosts
28 * gnunet-service-transport:
29 - try_unvalidated_addresses
30 - lookup_address_callback
31 - lookup_hello_callback
32 - plugin_env_lookup_address
33 - notify_clients_disconnect
34 - list_validated_addresses
36 - disconnect_neighbour
38 * plugin_transport_tcp.c:
40 - tcp_plugin_address_pretty_printer / append_port
41 - tcp_plugin_set_receive_quota
44 - GNUNET_TRANSPORT_set_qutoa / send_set_quota
48 - remove_from_any_list / remove_neighbour
49 - GNUNET_TRANSPORT_notify_transmit_ready_cancel
52 - solicit_traffic / copy_and_free
53 - GNUNET_CORE_peer_configure / produce_configure_message
54 * gnunet-service-core:
57 - handle_client_request_configure
60 - handle_transport_notify_disconnect
63 PHASE #2: (Goal: recover basic file-sharing functionality)
66 * implement sqlite-based sqstore/datastore service
67 + implement library (talks to service)
68 + implement service (datastore + talks to plugin)
69 + implement sqlite plugin (talks to DB)
70 * implement sqlite-based dstore services
71 + implement library (talks to service)
72 + implement service (talks to plugin)
73 + implement sqlite plugin (talks to DB)
76 * implement hostlist service (need to bootstrap!)
81 * have ONE backend working
84 PHASE #3: (Goal: ready for pre-release) [completion-goal: end of 2009]
94 * UDP backend (need LIBRARY to support (de)fragmentation!)
97 + Testcases for set_quota, timeouts, disconnects, transmit_ready_cancel
98 + Better coverage of gnunet-service-transport (hello validation)
99 + direct test of plugins compliance to plugin API
102 * sqlite, mysql & postgres backend
108 - inefficient memmove
110 - transport_api: support forcing disconnects through low quotas!
111 - API: consider having core provide deadline information for each message
112 (likely important for DV plugin which wants to loop back!)
113 - implement transport API to pretty-print transport address
114 + transport_api extension (API extension!)
115 + service-transport extension (protocol extension)
116 - add calls to statistics in various places
117 - implement gnunet-transport (transport configurator / tester)
118 - UPnP-based IP detection
119 (Note: build library always, build service when libxml2/etc. are available)
120 - instantly filter addresses from *other* peers that
121 are *equal* to our own address + port (i.e., localhost:2086). We
122 no longer filter those for outgoing (helps with loopback testing
123 and keeps the code clean), but we should filter strictly *impossible*
124 incoming addresses! This is for efficiency, not correctness.
125 - We currently are happy to take any address told to us in a WELCOME
126 to our set of addresses; we should have some minimal threshold-based
127 scheme, limiting both the total number of addresses that we accept
128 this way as well as requiring multiple confirmations; also, we
129 should possibly try to confirm that the given address works for
130 us ourselves (loopback-style) before adding it to the list
132 - not sure current way of doing ACKs works well-enough
133 with unreliable transports where the ACK maybe lost;
134 the "is_new" check would then possibly prevent future
135 ACKs to be delivered, all while we're happily
136 receiving messages from that peer! Worse, the other
137 peer won't generate another ACK since it thinks we're
138 connected just fine...
140 + How necessary is ACKing in the first place? (alternatives?)
141 + Should we transmit ACKs in response to every HELLO? (would that
142 fully address the problem?)
143 - latency measurements implemented in the transport
144 plugins makes it only work for bi-di transports
145 and results in code replication
146 - should latency be included in the ReceiveCallback and
147 NotifyConnect or passed on request?
149 - auto-generate "defaults.conf" using gnunet-setup from "config.scm"
150 - integrate all options into "config.scm"
151 - change config-file writing to exclude options set to default values
153 - implement exponential back-off for service restarts
154 - better tracking of which config changes actually need to cause process restarts by ARM.
155 - have way to specify dependencies between services (to manage ARM restarts better)
157 - have gnunet-peerinfo print actual host addresses again
158 - add option to gnunet-peerinfo to modify trust value
160 - finish postgres implementation; simplify other SQLs using new stats
165 - active reply route caching design & implementation of service,
170 PHASE #4: [completion-goal: mid 2010]
178 * Features eliminated from util:
179 - threading (goal: good riddance!)
180 - complex logging features [ectx-passing, target-kinds] (goal: good riddance!)
181 - complex configuration features [defaults, notifications] (goal: good riddance!)
182 - network traffic monitors (goal: eliminate)
183 - IPC semaphores (goal: d-bus? / eliminate?)
185 - DNS lookup (goal: have async service; issue: still need synchronous resolution in places, current code may not be portable)
186 => code shrunk from 61 files to 34, 22k LOC to 15k LOC, 470k to 330k (with symbols)
187 * New features in util:
189 - service and program boot-strap code
190 * Major changes in util:
191 - more expressive server (replaces selector)
193 - how to integrate scheduler with GTK event loop!
198 * UTIL: 75%, 4914 out of 6463