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type_to_string: move pretty printing of types from log

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It's not just useful for logging.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2017-01-04 14:05:15 +10:30
parent 756b2a0530
commit f8eb454139
5 changed files with 123 additions and 109 deletions
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86
type_to_string.c Normal file
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@@ -0,0 +1,86 @@
#include "bitcoin/locktime.h"
#include "bitcoin/pubkey.h"
#include "bitcoin/tx.h"
#include "daemon/channel.h"
#include "daemon/htlc.h"
#include "daemon/lightningd.h"
#include "daemon/peer.h"
#include "protobuf_convert.h"
#include "type_to_string.h"
#include "utils.h"
#include <ccan/tal/str/str.h>
#include <inttypes.h>
char *type_to_string_(const tal_t *ctx, const char *typename,
union printable_types u)
{
char *s = NULL;
/* GCC checks we're one of these, so we should be. */
if (streq(typename, "struct pubkey"))
s = pubkey_to_hexstr(ctx, u.pubkey);
else if (streq(typename, "struct sha256_double"))
s = tal_hexstr(ctx, u.sha256_double, sizeof(*u.sha256_double));
else if (streq(typename, "struct sha256"))
s = tal_hexstr(ctx, u.sha256, sizeof(*u.sha256));
else if (streq(typename, "struct rel_locktime")) {
if (rel_locktime_is_seconds(u.rel_locktime))
s = tal_fmt(ctx, "+%usec",
rel_locktime_to_seconds(u.rel_locktime));
else
s = tal_fmt(ctx, "+%ublocks",
rel_locktime_to_blocks(u.rel_locktime));
} else if (streq(typename, "struct abs_locktime")) {
if (abs_locktime_is_seconds(u.abs_locktime))
s = tal_fmt(ctx, "%usec",
abs_locktime_to_seconds(u.abs_locktime));
else
s = tal_fmt(ctx, "%ublocks",
abs_locktime_to_blocks(u.abs_locktime));
} else if (streq(typename, "struct bitcoin_tx")) {
u8 *lin = linearize_tx(ctx, u.bitcoin_tx);
s = tal_hexstr(ctx, lin, tal_count(lin));
} else if (streq(typename, "struct htlc")) {
const struct htlc *h = u.htlc;
s = tal_fmt(ctx, "{ id=%"PRIu64
" msatoshi=%"PRIu64
" expiry=%s"
" rhash=%s"
" rval=%s"
" src=%s }",
h->id, h->msatoshi,
type_to_string(ctx, struct abs_locktime, &h->expiry),
type_to_string(ctx, struct sha256, &h->rhash),
h->r ? tal_hexstr(ctx, h->r, sizeof(*h->r))
: "UNKNOWN",
h->src ? type_to_string(ctx, struct pubkey,
h->src->peer->id)
: "local");
} else if (streq(typename, "struct rval")) {
s = tal_hexstr(ctx, u.rval, sizeof(*u.rval));
} else if (streq(typename, "struct channel_oneside")) {
s = tal_fmt(ctx, "{ pay_msat=%u"
" fee_msat=%u"
" num_htlcs=%u }",
u.channel_oneside->pay_msat,
u.channel_oneside->fee_msat,
u.channel_oneside->num_htlcs);
} else if (streq(typename, "struct channel_state")) {
s = tal_fmt(ctx, "{ anchor=%"PRIu64
" fee_rate=%"PRIu64
" num_nondust=%u"
" ours=%s"
" theirs=%s }",
u.cstate->anchor,
u.cstate->fee_rate,
u.cstate->num_nondust,
type_to_string(ctx, struct channel_oneside,
&u.cstate->side[LOCAL]),
type_to_string(ctx, struct channel_oneside,
&u.cstate->side[REMOTE]));
} else if (streq(typename, "struct netaddr")) {
s = netaddr_name(ctx, u.netaddr);
}
return s;
}