diff options
Diffstat (limited to 'test/test_bounded_recv_buffer.cpp')
| -rw-r--r-- | test/test_bounded_recv_buffer.cpp | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/test/test_bounded_recv_buffer.cpp b/test/test_bounded_recv_buffer.cpp new file mode 100644 index 0000000..a2ec4e1 --- /dev/null +++ b/test/test_bounded_recv_buffer.cpp @@ -0,0 +1,192 @@ +/** + * Copyright (c) 2018 Cornell University. + * + * Author: Ted Yin <tederminant@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is furnished to do + * so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <cstdio> +#include <string> +#include <functional> +#include <thread> +#include <signal.h> + +/* disable SHA256 checksum */ +#define SALTICIDAE_NOCHECKSUM + +#include "salticidae/msg.h" +#include "salticidae/event.h" +#include "salticidae/network.h" +#include "salticidae/stream.h" + +using salticidae::NetAddr; +using salticidae::DataStream; +using salticidae::MsgNetwork; +using salticidae::htole; +using salticidae::letoh; +using salticidae::bytearray_t; +using salticidae::TimerEvent; +using salticidae::ThreadCall; +using std::placeholders::_1; +using std::placeholders::_2; +using opcode_t = uint8_t; + +struct MsgBytes { + static const opcode_t opcode = 0xa; + DataStream serialized; + bytearray_t bytes; + MsgBytes(size_t size) { + bytes.resize(size); + serialized << htole((uint32_t)size) << bytes; + } + MsgBytes(DataStream &&s) { + uint32_t len; + s >> len; + len = letoh(len); + auto base = s.get_data_inplace(len); + bytes = bytearray_t(base, base + len); + } +}; + +const opcode_t MsgBytes::opcode; + +using MsgNetworkByteOp = MsgNetwork<opcode_t>; + +struct MyNet: public MsgNetworkByteOp { + const std::string name; + TimerEvent ev_period_stat; + ThreadCall tcall; + size_t nrecv; + std::function<void(ThreadCall::Handle &)> trigger; + std::atomic<bool> stopped; + + MyNet(const salticidae::EventContext &ec, + const std::string name, + double stat_timeout = -1): + MsgNetworkByteOp(ec, MsgNetworkByteOp::Config( + ConnPool::Config() + .max_recv_buff_size(10) + .queue_capacity(10) + ).burst_size(10)), + name(name), + ev_period_stat(ec, [this, stat_timeout](TimerEvent &) { + SALTICIDAE_LOG_INFO("%.2f mps", nrecv / (double)stat_timeout); + fflush(stderr); + nrecv = 0; + ev_period_stat.add(stat_timeout); + }), + tcall(ec), + nrecv(0), stopped(false) { + /* message handler could be a bound method */ + reg_handler(salticidae::generic_bind(&MyNet::on_receive_bytes, this, _1, _2)); + if (stat_timeout > 0) + ev_period_stat.add(0); + reg_conn_handler([this, ec](const ConnPool::conn_t &conn, bool connected) { + if (connected) + { + if (conn->get_mode() == MyNet::Conn::ACTIVE) + { + printf("[%s] connected, sending bytes.\n", this->name.c_str()); + /* send the first message through this connection */ + trigger = [this, conn](ThreadCall::Handle &) { + while (!send_msg(MsgBytes(256), salticidae::static_pointer_cast<Conn>(conn))) + { + if (stopped) + { + stop(); + return; + } + fprintf(stderr, "cannot send message, retrying\n"); + sleep(1); + } + if (!conn->is_terminated()) + tcall.async_call(trigger); + }; + tcall.async_call(trigger); + } + else + printf("[%s] passively connected, waiting for bytes.\n", this->name.c_str()); + } + else + { + printf("[%s] disconnected, retrying.\n", this->name.c_str()); + /* try to reconnect to the same address */ + connect(conn->get_addr()); + } + return true; + }); + } + + void on_receive_bytes(MsgBytes &&msg, const conn_t &conn) { + if (stopped) + { + conn->get_pool()->stop(); + return; + } + sleep(1); + nrecv++; + } +}; + +salticidae::EventContext aec, bec, ec; +NetAddr alice_addr("127.0.0.1:1234"); +NetAddr bob_addr("127.0.0.1:1235"); + +void masksigs() { + sigset_t mask; + sigemptyset(&mask); + sigfillset(&mask); + pthread_sigmask(SIG_BLOCK, &mask, NULL); +} + +int main() { + MyNet alice(aec, "Alice", 10), bob(bec, "Bob"); + std::thread alice_thread([&]() { + masksigs(); + alice.start(); + alice.listen(alice_addr); + aec.dispatch(); + }); + std::thread bob_thread([&]() { + masksigs(); + bob.start(); + bob.connect(alice_addr); + bec.dispatch(); + }); + auto shutdown = [&](int) { + bob.stopped = true; + bob.tcall.async_call([&](salticidae::ThreadCall::Handle &) { + bec.stop(); + }); + bob_thread.join(); + alice.stopped = true; + alice.tcall.async_call([&](salticidae::ThreadCall::Handle &) { + aec.stop(); + }); + alice_thread.join(); + ec.stop(); + }; + salticidae::SigEvent ev_sigint(ec, shutdown); + salticidae::SigEvent ev_sigterm(ec, shutdown); + ev_sigint.add(SIGINT); + ev_sigterm.add(SIGTERM); + ec.dispatch(); + return 0; +} |