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lightningd/crypto_sync: trace all messages, especually failures.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2017-02-24 16:22:56 +10:30
parent c69f43b5c0
commit 391b15dbd7
1 changed files with 19 additions and 3 deletions
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22
lightningd/crypto_sync.c
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@ -1,6 +1,10 @@
#include <ccan/read_write_all/read_write_all.h>
#include <errno.h>
#include <inttypes.h>
#include <lightningd/crypto_sync.h>
#include <lightningd/cryptomsg.h>
#include <status.h>
#include <utils.h>
#include <wire/wire_sync.h>
bool sync_crypto_write(struct crypto_state *cs, int fd, const void *msg)
@ -8,6 +12,8 @@ bool sync_crypto_write(struct crypto_state *cs, int fd, const void *msg)
u8 *enc = cryptomsg_encrypt_msg(msg, cs, msg);
bool ret;
status_trace("Writing crypto with sn=%"PRIu64" msg=%s",
cs->sn-2, tal_hex(trc, msg));
ret = write_all(fd, enc, tal_len(enc));
tal_free(enc);
return ret;
@ -18,17 +24,27 @@ u8 *sync_crypto_read(const tal_t *ctx, struct crypto_state *cs, int fd)
u8 hdr[18], *enc, *dec;
u16 len;
if (!read_all(fd, hdr, sizeof(hdr)))
if (!read_all(fd, hdr, sizeof(hdr))) {
status_trace("Failed reading header: %s", strerror(errno));
return NULL;
}
if (!cryptomsg_decrypt_header(cs, hdr, &len))
if (!cryptomsg_decrypt_header(cs, hdr, &len)) {
status_trace("Failed hdr decrypt with rn=%"PRIu64, cs->rn-1);
return NULL;
}
enc = tal_arr(ctx, u8, len + 16);
if (!read_all(fd, enc, tal_len(enc)))
if (!read_all(fd, enc, tal_len(enc))) {
status_trace("Failed reading body: %s", strerror(errno));
return tal_free(enc);
}
dec = cryptomsg_decrypt_body(ctx, cs, enc);
tal_free(enc);
if (!dec)
status_trace("Failed body decrypt with rn=%"PRIu64, cs->rn-2);
else
status_trace("Read decrypt %s", tal_hex(trc, dec));
return dec;
}