From cbfda8ccc88789cd3c83c63b6e18693e7dea718d Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Wed, 17 Apr 2019 14:54:24 -0400
Subject: support auto client command for evaluation

---
 src/client.cpp          |  3 +++
 src/hotstuff.cpp        |  6 ++++++
 src/hotstuff_app.cpp    | 10 ++++++++++
 src/hotstuff_client.cpp | 22 ++++++++++++++++++----
 4 files changed, 37 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/client.cpp b/src/client.cpp
index c1b571c..ee4b7dd 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -20,5 +20,8 @@ namespace hotstuff {
 
 const opcode_t MsgReqCmd::opcode;
 const opcode_t MsgRespCmd::opcode;
+#ifdef HOTSTUFF_AUTOCLI
+const opcode_t MsgDemandCmd::opcode;
+#endif
 
 }
diff --git a/src/hotstuff.cpp b/src/hotstuff.cpp
index aeae2e2..2cc3821 100644
--- a/src/hotstuff.cpp
+++ b/src/hotstuff.cpp
@@ -115,7 +115,13 @@ promise_t HotStuffBase::exec_command(uint256_t cmd_hash) {
                 }
             }
             else
+            {
                 on_propose(cmds, pmaker->get_parents());
+#ifdef HOTSTUFF_AUTOCLI
+                for (size_t i = pmaker->get_pending_size(); i < 1; i++)
+                    do_demand_commands(blk_size);
+#endif
+            }
         });
     }
     return pm;
diff --git a/src/hotstuff_app.cpp b/src/hotstuff_app.cpp
index 30d127b..be9d3cd 100644
--- a/src/hotstuff_app.cpp
+++ b/src/hotstuff_app.cpp
@@ -110,6 +110,16 @@ class HotStuffApp: public HotStuff {
         */
     }
 
+#ifdef HOTSTUFF_AUTOCLI
+    void do_demand_commands(size_t blk_size) override {
+        size_t ncli = client_conns.size();
+        size_t bsize = (blk_size + ncli - 1) / ncli;
+        hotstuff::MsgDemandCmd mdc{bsize};
+        for(const auto &conn: client_conns)
+            cn.send_msg(mdc, conn);
+    }
+#endif
+
 #ifdef HOTSTUFF_MSG_STAT
     std::unordered_set<conn_t> client_conns;
     void print_stat() const;
diff --git a/src/hotstuff_client.cpp b/src/hotstuff_client.cpp
index 97bacab..8eeb8e5 100644
--- a/src/hotstuff_client.cpp
+++ b/src/hotstuff_client.cpp
@@ -80,8 +80,8 @@ void set_proposer(ReplicaID rid) {
 //        conns.insert(std::make_pair(rid, mn.connect(replicas[rid])));
 }
 
-void try_send() {
-    while (waiting.size() < max_async_num && max_iter_num)
+bool try_send(bool check = true) {
+    if ((!check || waiting.size() < max_async_num) && max_iter_num)
     {
         auto cmd = new CommandDummy(cid, cnt++);
         //mn.send_msg(MsgReqCmd(*cmd), *conns.at(proposer));
@@ -95,7 +95,9 @@ void try_send() {
             cmd->get_hash(), Request(proposer, cmd)));
         if (max_iter_num > 0)
             max_iter_num--;
+        return true;
     }
+    return false;
 }
 
 void client_resp_cmd_handler(MsgRespCmd &&msg, const Net::conn_t &) {
@@ -134,9 +136,18 @@ void client_resp_cmd_handler(MsgRespCmd &&msg, const Net::conn_t &) {
     elapsed.push_back(std::make_pair(tv, et.elapsed_sec));
 #endif
     waiting.erase(it);
-    try_send();
+#ifndef HOTSTUFF_AUTOCLI
+    while (try_send());
+#endif
 }
 
+#ifdef HOTSTUFF_AUTOCLI
+void client_demand_cmd_handler(hotstuff::MsgDemandCmd &&msg, const Net::conn_t &) {
+    for (size_t i = 0; i < msg.ncmd; i++)
+        try_send(false);
+}
+#endif
+
 std::pair<std::string, std::string> split_ip_port_cport(const std::string &s) {
     auto ret = salticidae::trim_all(salticidae::split(s, ";"));
     return std::make_pair(ret[0], ret[1]);
@@ -158,6 +169,9 @@ int main(int argc, char **argv) {
     ev_sigterm.add(SIGTERM);
 
     mn.reg_handler(client_resp_cmd_handler);
+#ifdef HOTSTUFF_AUTOCLI
+    mn.reg_handler(client_demand_cmd_handler);
+#endif
     mn.start();
 
     config.add_opt("idx", opt_idx, Config::SET_VAL);
@@ -192,7 +206,7 @@ int main(int argc, char **argv) {
     HOTSTUFF_LOG_INFO("nfaulty = %zu", nfaulty);
     connect_all();
     set_proposer(idx);
-    try_send();
+    while (try_send());
     ec.dispatch();
 
 #ifdef HOTSTUFF_ENABLE_BENCHMARK
-- 
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