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authorDeterminant <[email protected]>2018-07-05 16:32:19 -0400
committerDeterminant <[email protected]>2018-07-05 16:32:19 -0400
commit905e6649a7deb8db7325e8ff44caf6bc61b899b4 (patch)
treeb4fd25e7f601e15543726f482c1f203507c97466
parent72a488165e03510d4edcbc1c408be1becfa6c540 (diff)
...
-rw-r--r--include/salticidae/msg.h30
1 files changed, 17 insertions, 13 deletions
diff --git a/include/salticidae/msg.h b/include/salticidae/msg.h
index 874f85f..7943fe4 100644
--- a/include/salticidae/msg.h
+++ b/include/salticidae/msg.h
@@ -138,11 +138,11 @@ class MsgBase {
void set_payload(bytearray_t &&_payload) {
payload = std::move(_payload);
- length = payload.size();
- checksum = get_checksum();
#ifndef SALTICIDAE_NOCHECK
no_payload = false;
#endif
+ length = payload.size();
+ checksum = get_checksum();
}
operator std::string() const {
@@ -155,11 +155,15 @@ class MsgBase {
<< "payload=" << get_hex(payload) << ">";
return std::string(s);
}
-
+
uint32_t get_checksum() const {
static class SHA256 sha256;
uint32_t res;
bytearray_t tmp;
+#ifndef SALTICIDAE_NOCHECK
+ if (no_payload)
+ throw std::runtime_error("payload not available");
+#endif
sha256.reset();
sha256.update(payload);
sha256.digest(tmp);
@@ -169,11 +173,11 @@ class MsgBase {
memmove(&res, &*tmp.begin(), 4);
return res;
}
-
+
bool verify_checksum() const {
return checksum == get_checksum();
}
-
+
bytearray_t serialize() const {
DataStream s;
s << htole(magic)
@@ -183,48 +187,48 @@ class MsgBase {
<< payload;
return std::move(s);
}
-
+
void gen_ping(uint16_t port) {
DataStream s;
set_opcode(OPCODE_PING);
s << htole(port);
set_payload(std::move(s));
}
-
+
void parse_ping(uint16_t &port) const {
DataStream s(get_payload());
s >> port;
port = letoh(port);
}
-
+
void gen_pong(uint16_t port) {
DataStream s;
set_opcode(OPCODE_PONG);
s << htole(port);
set_payload(std::move(s));
}
-
+
void parse_pong(uint16_t &port) const {
DataStream s(get_payload());
s >> port;
port = letoh(port);
}
-
+
void gen_hash_list(DataStream &s,
const std::vector<uint256_t> &hashes) {
uint32_t size = htole((uint32_t)hashes.size());
s << size;
for (const auto &h: hashes) s << h;
}
-
+
void parse_hash_list(DataStream &s,
std::vector<uint256_t> &hashes) const {
uint32_t size;
hashes.clear();
-
+
s >> size;
size = letoh(size);
-
+
hashes.resize(size);
for (auto &hash: hashes) s >> hash;
}