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core-lightning/connectd
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Rusty Russell f1ed373c97 connectd: be more graceful when we an address is in use. 
Aditya had this issue due to a config line, and the result was hard
to diagnose even for me.

It's now:

```
$ ./lightningd/lightningd --network=regtest --addr=:18444
2022-02-26T05:01:28.705Z **BROKEN** connectd: Failed to bind socket for 0.0.0.0:18444: Address already in use
```

Whereas before it doesn't even give the address it's trying to bind:

```
rusty@rusty-XPS-13-9370:~/devel/cvs/lightning (master)$ ./lightningd/lightningd --network=regtest --addr=:18444
lightning_connectd: Failed to bind on 2 socket: Address already in use (version v0.10.2-331-g86b83e4)
0x558a8b8d9a12 send_backtrace
	common/daemon.c:33
0x558a8b8e91e1 status_failed
	common/status.c:221
0x558a8b8c8e4f make_listen_fd
	connectd/connectd.c:1090
0x558a8b8c8f55 handle_wireaddr_listen
	connectd/connectd.c:1129
0x558a8b8c993d setup_listeners
	connectd/connectd.c:1312
0x558a8b8ca344 connect_init
	connectd/connectd.c:1517
0x558a8b8cbb57 recv_req
	connectd/connectd.c:1896
0x558a8b8d9f9f handle_read
	common/daemon_conn.c:31
0x558a8b9247c1 next_plan
	ccan/ccan/io/io.c:59
0x558a8b9253c9 do_plan
	ccan/ccan/io/io.c:407
0x558a8b92540b io_ready
	ccan/ccan/io/io.c:417
0x558a8b9276fe io_loop
	ccan/ccan/io/poll.c:453
0x558a8b8cbf36 main
	connectd/connectd.c:2033
0x7fe4d02940b2 ???
	???:0
0x558a8b8c285d ???
	???:0
0xffffffffffffffff ???
	???:0
2022-02-26T05:02:27.547Z **BROKEN** connectd: Failed to bind on 2 socket: Address already in use (version v0.10.2-331-g86b83e4)
2022-02-26T05:02:27.547Z **BROKEN** connectd: backtrace: common/daemon.c:38 (send_backtrace) 0x558a8b8d9a68
2022-02-26T05:02:27.547Z **BROKEN** connectd: backtrace: common/status.c:221 (status_failed) 0x558a8b8e91e1
2022-02-26T05:02:27.547Z **BROKEN** connectd: backtrace: connectd/connectd.c:1090 (make_listen_fd) 0x558a8b8c8e4f
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: connectd/connectd.c:1129 (handle_wireaddr_listen) 0x558a8b8c8f55
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: connectd/connectd.c:1312 (setup_listeners) 0x558a8b8c993d
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: connectd/connectd.c:1517 (connect_init) 0x558a8b8ca344
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: connectd/connectd.c:1896 (recv_req) 0x558a8b8cbb57
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: common/daemon_conn.c:31 (handle_read) 0x558a8b8d9f9f
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: ccan/ccan/io/io.c:59 (next_plan) 0x558a8b9247c1
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: ccan/ccan/io/io.c:407 (do_plan) 0x558a8b9253c9
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: ccan/ccan/io/io.c:417 (io_ready) 0x558a8b92540b
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: ccan/ccan/io/poll.c:453 (io_loop) 0x558a8b9276fe
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: connectd/connectd.c:2033 (main) 0x558a8b8cbf36
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: (null):0 ((null)) 0x7fe4d02940b2
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: (null):0 ((null)) 0x558a8b8c285d
2022-02-26T05:02:27.548Z **BROKEN** connectd: backtrace: (null):0 ((null)) 0xffffffffffffffff
2022-02-26T05:02:27.548Z **BROKEN** connectd: STATUS_FAIL_INTERNAL_ERROR: Failed to bind on 2 socket: Address already in use
lightningd: connectd failed (exit status 242), exiting.
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2022-03-05 15:48:03 +10:30
..
test peer_exchange: set, read and log remote_addr 2022-02-22 05:45:47 +10:30
connectd.c connectd: be more graceful when we an address is in use. 2022-03-05 15:48:03 +10:30
connectd.h peer_exchange: set, read and log remote_addr 2022-02-22 05:45:47 +10:30
connectd_gossipd_wire.csv gossipd: don't hand out fds. 2022-02-08 11:15:52 +10:30
connectd_wire.csv connectd: be more graceful when we an address is in use. 2022-03-05 15:48:03 +10:30
handshake.c connectd: keep timeout timer around so we can disable it. 2022-01-20 15:24:06 +10:30
handshake.h connectd: keep timeout timer around so we can disable it. 2022-01-20 15:24:06 +10:30
Makefile connectd: handle onion messages. 2022-02-08 11:15:52 +10:30
multiplex.c connectd: handle custom messages. 2022-02-08 11:15:52 +10:30
multiplex.h misc: clarifications from cdecker review. 2022-02-08 11:15:52 +10:30
netaddress.c bolt7: allow announcement of ADDR_TYPE_DNS 2021-11-30 09:38:17 +10:30
netaddress.h cleanup: remove unneeded includes in header files. 2021-09-17 09:43:22 +09:30
onion_message.c connectd: do io logging properly for msgs we make. 2022-02-08 11:15:52 +10:30
onion_message.h connectd: handle onion messages. 2022-02-08 11:15:52 +10:30
peer_exchange_initmsg.c chore: use EXPERIMENTAL for BOLT1 remote_addr #917 2022-02-22 05:45:47 +10:30
peer_exchange_initmsg.h connectd: keep timeout timer around so we can disable it. 2022-01-20 15:24:06 +10:30
sha1.c check: make sure all files outside contrib/ include "config.h" first. 2021-12-06 10:05:39 +10:30
sha1.h lightning_websocketd: simple proxy for websockets. 2021-10-22 11:56:30 +02:00
tor.c check: make sure all files outside contrib/ include "config.h" first. 2021-12-06 10:05:39 +10:30
tor.h connectd: rename 'struct reaching' to 'struct connecting'. 2018-09-28 04:14:28 +00:00
tor_autoservice.c wireaddr: clean up tor parsing. 2021-11-14 18:49:46 +01:00
tor_autoservice.h wireaddr: clean up tor parsing. 2021-11-14 18:49:46 +01:00
websocketd.c lightning_websocketd: simple proxy for websockets. 2021-10-22 11:56:30 +02:00