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devtools/gossipwith: option to print out messages in hex.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2019-11-15 14:59:22 +10:30 • committed by Christian Decker
parent 3437f7e25d
commit 2e9b8f42fb
1 changed files with 11 additions and 4 deletions
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15
devtools/gossipwith.c
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@ -20,6 +20,7 @@
#define io_close simple_close #define io_close simple_close
static bool stream_stdin = false; static bool stream_stdin = false;
static bool no_init = false; static bool no_init = false;
static bool hex = false;
static int timeout_after = -1; static int timeout_after = -1;
static struct io_plan *simple_write(struct io_conn *conn, static struct io_plan *simple_write(struct io_conn *conn,
@ -183,10 +184,14 @@ static struct io_plan *handshake_success(struct io_conn *conn,
msg = sync_crypto_read(NULL, pps); msg = sync_crypto_read(NULL, pps);
if (!msg) if (!msg)
err(1, "Reading msg"); err(1, "Reading msg");
belen = cpu_to_be16(tal_bytelen(msg)); if (hex) {
if (!write_all(STDOUT_FILENO, &belen, sizeof(belen)) printf("%s\n", tal_hex(msg, msg));
|| !write_all(STDOUT_FILENO, msg, tal_bytelen(msg))) } else {
err(1, "Writing out msg"); belen = cpu_to_be16(tal_bytelen(msg));
if (!write_all(STDOUT_FILENO, &belen, sizeof(belen))
|| !write_all(STDOUT_FILENO, msg, tal_bytelen(msg)))
err(1, "Writing out msg");
}
tal_free(msg); tal_free(msg);
--max_messages; --max_messages;
} }
@ -237,6 +242,8 @@ int main(int argc, char *argv[])
opt_register_arg("--timeout-after", opt_set_intval, opt_show_intval, opt_register_arg("--timeout-after", opt_set_intval, opt_show_intval,
&timeout_after, &timeout_after,
"Exit (success) this many seconds after no msgs rcvd"); "Exit (success) this many seconds after no msgs rcvd");
opt_register_noarg("--hex", opt_set_bool, &hex,
"Print out messages in hex");
opt_register_noarg("--help|-h", opt_usage_and_exit, opt_register_noarg("--help|-h", opt_usage_and_exit,
"id@addr[:port] [hex-msg-tosend...]\n" "id@addr[:port] [hex-msg-tosend...]\n"
"Connect to a lightning peer and relay gossip messages from it", "Connect to a lightning peer and relay gossip messages from it",