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devtools/decodemsg: new tool.

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$ ./devtools/decodemsg 00110000000000000000000000000000000000000000000000000000000000000000000e496e7465726e616c206572726f72
WIRE_ERROR:
channel_id=0000000000000000000000000000000000000000000000000000000000000000
data=[Internal error]

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-02-01 10:38:37 +10:30
parent 32abb4d928
commit fff7dd0826
4 changed files with 111 additions and 9 deletions
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29
devtools/Makefile
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@ -1,7 +1,9 @@
DEVTOOLS_CLI_SRC := devtools/bolt11-cli.c
DEVTOOLS_CLI_OBJS := $(DEVTOOLS_CLI_SRC:.c=.o)
DEVTOOLS_SRC := devtools/gen_print_wire.c devtools/print_wire.c
DEVTOOLS_OBJS := $(DEVTOOLS_SRC:.c=.o)
DEVTOOLS_TOOL_SRC := devtools/bolt11-cli.c devtools/decodemsg.c
DEVTOOLS_TOOL_OBJS := $(DEVTOOLS_TOOL_SRC:.c=.o)
DEVTOOLS_CLI_COMMON_OBJS := \
DEVTOOLS_COMMON_OBJS := \
common/bech32.o \
common/bolt11.o \
common/hash_u5.o \
@ -9,17 +11,26 @@ DEVTOOLS_CLI_COMMON_OBJS := \
common/utils.o \
common/version.o
devtools-all: devtools/bolt11-cli
devtools-all: devtools/bolt11-cli devtools/decodemsg
devtools/bolt11-cli: $(DEVTOOLS_CLI_OBJS) $(DEVTOOLS_CLI_COMMON_OBJS) $(JSMN_OBJS) $(CCAN_OBJS) $(BITCOIN_OBJS) wire/fromwire.o wire/towire.o
devtools/gen_print_wire.h: $(WIRE_GEN) wire/gen_peer_wire_csv
$(WIRE_GEN) --bolt --printwire --header $@ wire_type < wire/gen_peer_wire_csv > $@
$(DEVTOOLS_CLI_OBJS): wire/wire.h
devtools/gen_print_wire.c: $(WIRE_GEN) wire/gen_peer_wire_csv
$(WIRE_GEN) --bolt --printwire ${@:.c=.h} wire_type < wire/gen_peer_wire_csv > $@
devtools/bolt11-cli: $(DEVTOOLS_OBJS) $(DEVTOOLS_COMMON_OBJS) $(JSMN_OBJS) $(CCAN_OBJS) $(BITCOIN_OBJS) wire/fromwire.o wire/towire.o devtools/bolt11-cli.o
devtools/decodemsg: $(DEVTOOLS_OBJS) $(DEVTOOLS_COMMON_OBJS) $(JSMN_OBJS) $(CCAN_OBJS) $(BITCOIN_OBJS) wire/fromwire.o wire/towire.o devtools/decodemsg.o
$(DEVTOOLS_OBJS) $(DEVTOOLS_TOOL_OBJS): wire/wire.h devtools/gen_print_wire.h
devtools/gen_print_wire.o: devtools/gen_print_wire.h wire/gen_peer_wire.h
# Make sure these depend on everything.
ALL_PROGRAMS += devtools/bolt11-cli
ALL_OBJS += $(DEVTOOLS_CLI_OBJS)
ALL_PROGRAMS += devtools/bolt11-cli devtools/decodemsg
ALL_OBJS += $(DEVTOOLS_OBJS) $(DEVTOOLS_TOOL_OBJS)
check-source: $(DEVTOOLS_CLI_SRC:%=check-src-include-order/%)
check-source: $(DEVTOOLS_SRC:%=check-src-include-order/%) $(DEVTOOLS_TOOLS_SRC:%=check-src-include-order/%)
clean: devtools-clean

9
devtools/decodemsg.c Normal file
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@ -0,0 +1,9 @@
#include <common/utils.h>
#include <devtools/gen_print_wire.h>
int main(int argc, char *argv[])
{
u8 *m = tal_hexdata(NULL, argv[1], strlen(argv[1]));
print_message(m);
return 0;
}

60
devtools/print_wire.c Normal file
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@ -0,0 +1,60 @@
#include <common/type_to_string.h>
#include <devtools/print_wire.h>
#include <inttypes.h>
#include <stdio.h>
void printwire_u8(const u8 *v)
{
printf("%u", *v);
}
void printwire_u16(const u16 *v)
{
printf("%u", *v);
}
void printwire_u32(const u32 *v)
{
printf("%u", *v);
}
void printwire_u64(const u64 *v)
{
printf("%"PRIu64, *v);
}
void printwire_u8_array(const u8 **cursor, size_t *plen, size_t len)
{
printf("[");
while (len) {
u8 v = fromwire_u8(cursor, plen);
if (!*cursor)
return;
if (isprint(v))
printf("%c", v);
else
printf("\\x%02x", v);
len--;
}
printf("]\n");
}
#define PRINTWIRE_TYPE_TO_STRING(T, N) \
void printwire_##N(const T *v) \
{ \
const char *s = type_to_string(NULL, T, v); \
printf("%s\n", s); \
tal_free(s); \
}
#define PRINTWIRE_STRUCT_TYPE_TO_STRING(T) \
PRINTWIRE_TYPE_TO_STRING(struct T, T)
PRINTWIRE_STRUCT_TYPE_TO_STRING(bitcoin_blkid);
PRINTWIRE_STRUCT_TYPE_TO_STRING(bitcoin_txid);
PRINTWIRE_STRUCT_TYPE_TO_STRING(channel_id);
PRINTWIRE_STRUCT_TYPE_TO_STRING(preimage);
PRINTWIRE_STRUCT_TYPE_TO_STRING(pubkey);
PRINTWIRE_STRUCT_TYPE_TO_STRING(sha256);
PRINTWIRE_STRUCT_TYPE_TO_STRING(short_channel_id);
PRINTWIRE_TYPE_TO_STRING(secp256k1_ecdsa_signature, secp256k1_ecdsa_signature);

22
devtools/print_wire.h Normal file
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@ -0,0 +1,22 @@
#ifndef LIGHTNING_DEVTOOLS_PRINT_WIRE_H
#define LIGHTNING_DEVTOOLS_PRINT_WIRE_H
#include <bitcoin/preimage.h>
#include <bitcoin/tx.h>
#include <wire/gen_peer_wire.h>
void printwire_u8(const u8 *v);
void printwire_u16(const u16 *v);
void printwire_u32(const u32 *v);
void printwire_u64(const u64 *v);
void printwire_u8_array(const u8 **cursor, size_t *plen, size_t len);
void printwire_bitcoin_blkid(const struct bitcoin_blkid *bitcoin_blkid);
void printwire_bitcoin_txid(const struct bitcoin_txid *bitcoin_txid);
void printwire_channel_id(const struct channel_id *channel_id);
void printwire_preimage(const struct preimage *preimage);
void printwire_pubkey(const struct pubkey *pubkey);
void printwire_secp256k1_ecdsa_signature(const secp256k1_ecdsa_signature *);
void printwire_sha256(const struct sha256 *sha256);
void printwire_short_channel_id(const struct short_channel_id *short_channel_id);
#endif /* LIGHTNING_DEVTOOLS_PRINT_WIRE_H */