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lightningd: don't listen at all if no port number set.

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When we support the Milan protocol, we'll use a default port.  But
for now, don't listen at all unless a port is specified.

Fixes: #54
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2016-11-18 17:10:09 +10:30
parent fe14b3f4d9
commit 0ba93cb948
2 changed files with 6 additions and 8 deletions
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5
daemon/lightningd.c
View File

@ -487,7 +487,7 @@ int main(int argc, char *argv[])
"A bitcoin lightning daemon.",
"Print this message.");
opt_register_arg("--port", opt_set_uintval, NULL, &portnum,
"Port to bind to (otherwise, dynamic port is used)");
"Port to bind to (otherwise, we don't listen)");
opt_register_arg("--bitcoin-datadir", opt_set_charp, NULL,
&bitcoin_datadir,
"-datadir arg for bitcoin-cli");
@ -543,7 +543,8 @@ int main(int argc, char *argv[])
setup_jsonrpc(dstate, dstate->rpc_filename);
/* Set up connections from peers. */
setup_listeners(dstate, portnum);
if (portnum != 0)
setup_listeners(dstate, portnum);
/* set up IRC peer discovery */
if (dstate->config.use_irc)

9
daemon/test/scripts/helpers.sh
View File

@ -117,12 +117,9 @@ EOF
cp $DIR1/config $DIR2/config
[ $NUM_LIGHTNINGD = 2 ] || cp $DIR1/config $DIR3/config
if [ x"$RECONNECT" = xrestart ]; then
# Make sure node2 & 3 restart on same port, by setting in config.
# Find a free TCP port.
echo port=`findport 4000 $VARIANT` >> $DIR2/config
[ $NUM_LIGHTNINGD = 2 ] || echo port=`findport 4010 $VARIANT` >> $DIR3/config
fi
# Find a free TCP port.
echo port=`findport 4000 $VARIANT` >> $DIR2/config
[ $NUM_LIGHTNINGD = 2 ] || echo port=`findport 4010 $VARIANT` >> $DIR3/config
}
# Use DIR REDIR REDIRERR GDBFLAG