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-rw-r--r--include/hotstuff/client.h27
-rw-r--r--include/hotstuff/consensus.h4
-rw-r--r--include/hotstuff/hotstuff.h60
-rw-r--r--include/hotstuff/type.h1
4 files changed, 58 insertions, 34 deletions
diff --git a/include/hotstuff/client.h b/include/hotstuff/client.h
index 95a003d..92b4eec 100644
--- a/include/hotstuff/client.h
+++ b/include/hotstuff/client.h
@@ -8,22 +8,21 @@
namespace hotstuff {
-enum {
- REQ_CMD = 0x4,
- RESP_CMD = 0x5,
- CHK_CMD = 0x6
+struct MsgReqCmd {
+ static const opcode_t opcode = 0x4;
+ DataStream serialized;
+ command_t cmd;
+ MsgReqCmd(const Command &cmd);
+ MsgReqCmd(DataStream &&s): serialized(std::move(s)) {}
+ void postponed_parse(HotStuffCore *hsc);
};
-struct MsgClient: public salticidae::MsgBase<> {
- using MsgBase::MsgBase;
- void gen_reqcmd(const Command &cmd);
- void parse_reqcmd(command_t &cmd, HotStuffCore *hsc) const;
-
- void gen_respcmd(const Finality &fin);
- void parse_respcmd(Finality &fin) const;
-
- void gen_chkcmd(const uint256_t &cmd_hash);
- void parse_chkcmd(uint256_t &cmd_hash) const;
+struct MsgRespCmd {
+ static const opcode_t opcode = 0x5;
+ DataStream serialized;
+ Finality fin;
+ MsgRespCmd(const Finality &fin);
+ MsgRespCmd(DataStream &&s);
};
class CommandDummy: public Command {
diff --git a/include/hotstuff/consensus.h b/include/hotstuff/consensus.h
index 475f1f2..6de6bd3 100644
--- a/include/hotstuff/consensus.h
+++ b/include/hotstuff/consensus.h
@@ -145,7 +145,7 @@ struct Proposal: public Serializable {
* a pointer to the object of the class derived from HotStuffCore */
HotStuffCore *hsc;
- Proposal(HotStuffCore *hsc): blk(nullptr), hsc(hsc) {}
+ Proposal(): blk(nullptr), hsc(nullptr) {}
Proposal(ReplicaID proposer,
const uint256_t &bqc_hash,
block_t &blk,
@@ -192,7 +192,7 @@ struct Vote: public Serializable {
/** handle of the core object to allow polymorphism */
HotStuffCore *hsc;
- Vote(HotStuffCore *hsc): cert(nullptr), hsc(hsc) {}
+ Vote(): cert(nullptr), hsc(nullptr) {}
Vote(ReplicaID voter,
const uint256_t &bqc_hash,
const uint256_t &blk_hash,
diff --git a/include/hotstuff/hotstuff.h b/include/hotstuff/hotstuff.h
index 45992f1..b6bebb9 100644
--- a/include/hotstuff/hotstuff.h
+++ b/include/hotstuff/hotstuff.h
@@ -31,19 +31,43 @@ enum {
};
/** Network message format for HotStuff. */
-struct MsgHotStuff: public salticidae::MsgBase<> {
- using MsgBase::MsgBase;
- void gen_propose(const Proposal &);
- void parse_propose(Proposal &) const;
+struct MsgPropose {
+ static const opcode_t opcode = 0x0;
+ DataStream serialized;
+ Proposal proposal;
+ MsgPropose(const Proposal &);
+ /** Only move the data to serialized, do not parse immediately. */
+ MsgPropose(DataStream &&s): serialized(std::move(s)) {}
+ /** Parse the serialized data to blks now, with `hsc->storage`. */
+ void postponed_parse(HotStuffCore *hsc);
+};
+
+struct MsgVote {
+ static const opcode_t opcode = 0x1;
+ DataStream serialized;
+ Vote vote;
+ MsgVote(const Vote &);
+ MsgVote(DataStream &&s): serialized(std::move(s)) {}
+ void postponed_parse(HotStuffCore *hsc);
+};
- void gen_vote(const Vote &);
- void parse_vote(Vote &) const;
+struct MsgReqBlock {
+ static const opcode_t opcode = 0x2;
+ DataStream serialized;
+ std::vector<uint256_t> blk_hashes;
+ MsgReqBlock() = default;
+ MsgReqBlock(const std::vector<uint256_t> &blk_hashes);
+ MsgReqBlock(DataStream &&s);
+};
- void gen_qfetchblk(const std::vector<uint256_t> &blk_hashes);
- void parse_qfetchblk(std::vector<uint256_t> &blk_hashes) const;
- void gen_rfetchblk(const std::vector<block_t> &blks);
- void parse_rfetchblk(std::vector<block_t> &blks, HotStuffCore *hsc) const;
+struct MsgRespBlock {
+ static const opcode_t opcode = 0x3;
+ DataStream serialized;
+ std::vector<block_t> blks;
+ MsgRespBlock(const std::vector<block_t> &blks);
+ MsgRespBlock(DataStream &&s): serialized(std::move(s)) {}
+ void postponed_parse(HotStuffCore *hsc);
};
using promise::promise_t;
@@ -54,7 +78,7 @@ template<EntityType ent_type>
class FetchContext: public promise_t {
Event timeout;
HotStuffBase *hs;
- MsgHotStuff fetch_msg;
+ MsgReqBlock fetch_msg;
const uint256_t ent_hash;
std::unordered_set<NetAddr> replica_ids;
inline void timeout_cb(evutil_socket_t, short);
@@ -92,7 +116,7 @@ class BlockDeliveryContext: public promise_t {
class HotStuffBase: public HotStuffCore {
using BlockFetchContext = FetchContext<ENT_TYPE_BLK>;
using CmdFetchContext = FetchContext<ENT_TYPE_CMD>;
- using conn_t = MsgNetwork<MsgHotStuff>::conn_t;
+ using conn_t = PeerNetwork<opcode_t>::conn_t;
friend BlockFetchContext;
friend CmdFetchContext;
@@ -110,7 +134,7 @@ class HotStuffBase: public HotStuffCore {
/** whether libevent handle is owned by itself */
bool eb_loop;
/** network stack */
- PeerNetwork<MsgHotStuff> pn;
+ PeerNetwork<opcode_t> pn;
#ifdef HOTSTUFF_ENABLE_BLK_PROFILE
BlockProfiler blk_profiler;
#endif
@@ -142,13 +166,13 @@ class HotStuffBase: public HotStuffCore {
void on_deliver_blk(const block_t &blk);
/** deliver consensus message: <propose> */
- inline void propose_handler(const MsgHotStuff &, conn_t);
+ inline void propose_handler(MsgPropose &&, conn_t);
/** deliver consensus message: <vote> */
- inline void vote_handler(const MsgHotStuff &, conn_t);
+ inline void vote_handler(MsgVote &&, conn_t);
/** fetches full block data */
- inline void query_fetch_blk_handler(const MsgHotStuff &, conn_t);
+ inline void req_blk_handler(MsgReqBlock &&, conn_t);
/** receives a block */
- inline void resp_fetch_blk_handler(const MsgHotStuff &, conn_t);
+ inline void resp_blk_handler(MsgRespBlock &&, conn_t);
void do_broadcast_proposal(const Proposal &) override;
void do_vote(ReplicaID, const Vote &) override;
@@ -278,7 +302,7 @@ FetchContext<ent_type>::FetchContext(
const uint256_t &ent_hash, HotStuffBase *hs):
promise_t([](promise_t){}),
hs(hs), ent_hash(ent_hash) {
- fetch_msg.gen_qfetchblk(std::vector<uint256_t>{ent_hash});
+ fetch_msg = std::vector<uint256_t>{ent_hash};
timeout = Event(hs->eb, -1, 0,
std::bind(&FetchContext::timeout_cb, this, _1, _2));
diff --git a/include/hotstuff/type.h b/include/hotstuff/type.h
index 670ee6c..6014dab 100644
--- a/include/hotstuff/type.h
+++ b/include/hotstuff/type.h
@@ -53,6 +53,7 @@ class Cloneable {
};
using ReplicaID = uint16_t;
+using opcode_t = uint8_t;
}
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