From e12e559e85b0c2615fb550cc11560350517efca6 Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Fri, 16 Nov 2018 23:23:01 -0500
Subject: finish stress test coding

---
 test/test_p2p_stress.cpp | 84 ++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 70 insertions(+), 14 deletions(-)

(limited to 'test')

diff --git a/test/test_p2p_stress.cpp b/test/test_p2p_stress.cpp
index 3546329..0f479e4 100644
--- a/test/test_p2p_stress.cpp
+++ b/test/test_p2p_stress.cpp
@@ -35,12 +35,17 @@
 using salticidae::NetAddr;
 using salticidae::DataStream;
 using salticidae::MsgNetwork;
+using salticidae::ConnPool;
+using salticidae::Event;
 using salticidae::htole;
 using salticidae::letoh;
 using salticidae::bytearray_t;
+using salticidae::uint256_t;
 using std::placeholders::_1;
 using std::placeholders::_2;
 
+const size_t SEG_BUFF_SIZE = 4096;
+
 /** Hello Message. */
 struct MsgRand {
     static const uint8_t opcode = 0x0;
@@ -51,22 +56,25 @@ struct MsgRand {
         bytearray_t bytes;
         bytes.resize(size);
         RAND_bytes(&bytes[0], size);
-        serialized << htole((uint32_t)size) << std::move(bytes);
+        serialized << std::move(bytes);
     }
     /** Defines how to parse the msg. */
     MsgRand(DataStream &&s) {
-        uint32_t len;
-        s >> len;
-        bytes = std::move(s);
+        bytes = s;
     }
 };
 
 /** Acknowledgement Message. */
 struct MsgAck {
     static const uint8_t opcode = 0x1;
+    uint256_t hash;
     DataStream serialized;
-    MsgAck() {}
-    MsgAck(DataStream &&s) {}
+    MsgAck(const uint256_t &hash) {
+        serialized << hash;
+    }
+    MsgAck(DataStream &&s) {
+        s >> hash;
+    }
 };
 
 const uint8_t MsgRand::opcode;
@@ -74,12 +82,7 @@ const uint8_t MsgAck::opcode;
 
 using MyNet = salticidae::PeerNetwork<uint8_t>;
 
-std::vector<NetAddr> addrs = {
-    NetAddr("127.0.0.1:12345"),
-    NetAddr("127.0.0.1:12346"),
-    NetAddr("127.0.0.1:12347"),
-    NetAddr("127.0.0.1:12348")
-};
+std::vector<NetAddr> addrs;
 
 void signal_handler(int) {
     throw salticidae::SalticidaeError("got termination signal");
@@ -89,8 +92,10 @@ int main(int argc, char **argv) {
     signal(SIGTERM, signal_handler);
     signal(SIGINT, signal_handler);
 
+    int n = argc > 1 ? atoi(argv[1]) : 5;
+    for (int i = 0; i < n; i++)
+        addrs.push_back(NetAddr("127.0.0.1:" + std::to_string(12345 + i)));
     std::vector<std::thread> nodes;
-
     for (auto &addr: addrs)
     {
         nodes.push_back(std::thread([addr]() {
@@ -98,7 +103,58 @@ int main(int argc, char **argv) {
             /* test two nodes */
             MyNet net(ec, MyNet::Config(
                 salticidae::ConnPool::Config()
-                    .nworker(2)).conn_timeout(5).ping_period(2));
+                    .nworker(2).seg_buff_size(SEG_BUFF_SIZE))
+                        .conn_timeout(5).ping_period(2));
+            int state;
+            uint256_t hash;
+            auto send_rand = [&net, &hash](int size, MyNet::Conn &conn) {
+                MsgRand msg(size);
+                hash = msg.serialized.get_hash();
+                net.send_msg(std::move(msg), conn);
+            };
+            Event timer;
+            net.reg_conn_handler([&state, &net, &send_rand](salticidae::ConnPool::Conn &conn, bool connected) {
+                if (connected)
+                {
+                    if (conn.get_mode() == ConnPool::Conn::ACTIVE)
+                    {
+                        state = 1;
+                        SALTICIDAE_LOG_INFO("increasing phase");
+                        send_rand(state, static_cast<MyNet::Conn &>(conn));
+                    }
+                }
+            });
+            net.reg_handler([&state, &net](MsgRand &&msg, MyNet::Conn &conn) {
+                uint256_t hash = salticidae::get_hash(msg.bytes);
+                net.send_msg(MsgAck(hash), conn);
+            });
+            net.reg_handler([&state, &net, &hash, &send_rand, &ec, &timer](MsgAck &&msg, MyNet::Conn &conn) {
+                if (msg.hash != hash)
+                {
+                    SALTICIDAE_LOG_ERROR("corrupted I/O!");
+                    exit(1);
+                }
+
+                if (state == SEG_BUFF_SIZE * 2)
+                {
+                    send_rand(state, conn);
+                    state = -1;
+                    timer = Event(ec, -1, [&net, conn=conn.self()](int, int) {
+                        net.terminate(*conn);
+                    });
+                    double t = salticidae::gen_rand_timeout(10);
+                    timer.add_with_timeout(t, 0);
+                    SALTICIDAE_LOG_INFO("rand-bomboard phase, ending in %.2f secs", t);
+                }
+                else if (state == -1)
+                {
+                    send_rand(rand() % (SEG_BUFF_SIZE * 10), conn);
+                }
+                else
+                {
+                    send_rand(++state, conn);
+                }
+            });
             try {
                 net.start();
                 net.listen(addr);
-- 
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