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https://github.com/aljazceru/lightning.git
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ce8b69401c
Now connectd is doing the crypto, we can use normal wire io. We create helper functions to clearly differentiate between "peer" comms and intra-daemon comms though. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
#include "config.h"
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#include <assert.h>
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#include <ccan/breakpoint/breakpoint.h>
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#include <ccan/tal/str/str.h>
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#include <common/peer_billboard.h>
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#include <common/peer_failed.h>
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#include <common/peer_io.h>
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#include <common/peer_status_wiregen.h>
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#include <common/status.h>
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#include <common/status_wiregen.h>
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#include <common/wire_error.h>
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/* Fatal error here, return peer control to lightningd */
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static void NORETURN
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peer_fatal_continue(const u8 *msg TAKES, const struct per_peer_state *pps)
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{
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int reason = fromwire_peektype(msg);
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breakpoint();
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status_send(msg);
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status_send_fd(pps->peer_fd);
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status_send_fd(pps->gossip_fd);
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status_send_fd(pps->gossip_store_fd);
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exit(0x80 | (reason & 0xFF));
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}
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/* We only support one channel per peer anyway */
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static void NORETURN
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peer_failed(struct per_peer_state *pps,
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bool warn,
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const struct channel_id *channel_id,
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const char *desc)
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{
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u8 *msg;
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if (warn) {
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msg = towire_warningfmt(desc, channel_id, "%s", desc);
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} else {
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msg = towire_errorfmt(desc, channel_id, "%s", desc);
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}
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peer_write(pps, msg);
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/* Tell master the error so it can re-xmit. */
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msg = towire_status_peer_error(NULL, channel_id,
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desc,
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warn,
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pps,
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msg);
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peer_billboard(true, desc);
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peer_fatal_continue(take(msg), pps);
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}
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void peer_failed_warn(struct per_peer_state *pps,
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const struct channel_id *channel_id,
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const char *fmt, ...)
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{
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va_list ap;
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const char *desc;
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va_start(ap, fmt);
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desc = tal_vfmt(tmpctx, fmt, ap);
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va_end(ap);
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peer_failed(pps, true, channel_id, desc);
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}
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void peer_failed_err(struct per_peer_state *pps,
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const struct channel_id *channel_id,
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const char *fmt, ...)
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{
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va_list ap;
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const char *desc;
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assert(channel_id);
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va_start(ap, fmt);
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desc = tal_vfmt(tmpctx, fmt, ap);
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va_end(ap);
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peer_failed(pps, false, channel_id, desc);
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}
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/* We're failing because peer sent us an error/warning message */
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void peer_failed_received_errmsg(struct per_peer_state *pps,
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const char *desc,
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const struct channel_id *channel_id,
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bool warning)
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{
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u8 *msg;
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msg = towire_status_peer_error(NULL, channel_id, desc, warning, pps,
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NULL);
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peer_billboard(true, "Received %s", desc);
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peer_fatal_continue(take(msg), pps);
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}
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void peer_failed_connection_lost(void)
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{
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status_send_fatal(take(towire_status_peer_connection_lost(NULL)));
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}
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