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107 lines
2.8 KiB
107 lines
2.8 KiB
#include <channeld/gen_channel_wire.h>
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#include <common/sphinx.h>
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#include <common/utils.h>
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#include <gossipd/gen_gossip_wire.h>
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#include <lightningd/htlc_end.h>
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#include <lightningd/jsonrpc.h>
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#include <lightningd/lightningd.h>
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#include <lightningd/log.h>
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#include <lightningd/peer_control.h>
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#include <lightningd/subd.h>
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static void ping_reply(struct subd *subd, const u8 *msg, const int *fds,
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struct command *cmd)
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{
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u16 totlen;
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bool ok, sent = true;
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log_debug(subd->ld->log, "Got ping reply!");
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if (streq(subd->name, "lightning_channeld"))
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ok = fromwire_channel_ping_reply(msg, NULL, &totlen);
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else
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ok = fromwire_gossip_ping_reply(msg, NULL, &sent, &totlen);
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if (!ok)
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command_fail(cmd, "Bad reply message");
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else if (!sent)
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command_fail(cmd, "Unknown peer");
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else {
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struct json_result *response = new_json_result(cmd);
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json_object_start(response, NULL);
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json_add_num(response, "totlen", totlen);
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json_object_end(response);
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command_success(cmd, response);
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}
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}
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static void json_dev_ping(struct command *cmd,
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const char *buffer, const jsmntok_t *params)
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{
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struct peer *peer;
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u8 *msg;
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jsmntok_t *idtok, *lentok, *pongbytestok;
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unsigned int len, pongbytes;
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struct pubkey id;
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struct subd *owner;
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if (!json_get_params(buffer, params,
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"id", &idtok,
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"len", &lentok,
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"pongbytes", &pongbytestok,
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NULL)) {
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command_fail(cmd, "Need id, len and pongbytes");
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return;
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}
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/* FIXME: These checks are horrible, use a peer flag to say it's
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* ready to forward! */
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if (!json_tok_number(buffer, lentok, &len)) {
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command_fail(cmd, "'%.*s' is not a valid number",
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(int)(lentok->end - lentok->start),
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buffer + lentok->start);
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return;
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}
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if (!json_tok_number(buffer, pongbytestok, &pongbytes)) {
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command_fail(cmd, "'%.*s' is not a valid number",
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(int)(pongbytestok->end - pongbytestok->start),
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buffer + pongbytestok->start);
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return;
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}
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if (!json_tok_pubkey(buffer, idtok, &id)) {
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command_fail(cmd, "'%.*s' is not a valid pubkey",
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(int)(idtok->end - idtok->start),
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buffer + idtok->start);
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return;
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}
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/* First, see if it's in channeld. */
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peer = peer_by_id(cmd->ld, &id);
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if (peer) {
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if (!peer->owner ||
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!streq(peer->owner->name, "lightning_channeld")) {
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command_fail(cmd, "Peer in %s",
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peer->owner
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? peer->owner->name : "unattached");
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return;
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}
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msg = towire_channel_ping(cmd, pongbytes, len);
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owner = peer->owner;
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} else {
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/* We assume it's in gossipd. */
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msg = towire_gossip_ping(cmd, &id, pongbytes, len);
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owner = cmd->ld->gossip;
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}
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subd_req(owner, owner, take(msg), -1, 0, ping_reply, cmd);
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command_still_pending(cmd);
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}
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static const struct json_command dev_ping_command = {
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"dev-ping",
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json_dev_ping,
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"Send {peerid} a ping of length {len} asking for {pongbytes}"
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};
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AUTODATA(json_command, &dev_ping_command);
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