From cbbf4ab7e2e696331b1c73d536349c33529f52c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BD=D1=82=D0=BE=D0=BD?= <a.sysoev@b2b-center.ru>
Date: Mon, 1 Apr 2024 17:17:52 +0300
Subject: [PATCH] writing to socket

---
 boost_boilerplate/CMakeLists.txt              |  5 +++
 .../src/chapter02_io/writing_tcp_sync.cpp     | 40 +++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 boost_boilerplate/src/chapter02_io/writing_tcp_sync.cpp

diff --git a/boost_boilerplate/CMakeLists.txt b/boost_boilerplate/CMakeLists.txt
index 8088393..ae0cb51 100644
--- a/boost_boilerplate/CMakeLists.txt
+++ b/boost_boilerplate/CMakeLists.txt
@@ -73,3 +73,8 @@ add_executable(stream_oriented_buffers
   src/chapter02_io/stream_oriented_buffers.cpp
   src/sdk.h)
 target_link_libraries(stream_oriented_buffers PRIVATE Threads::Threads)
+
+add_executable(writing_tcp_sync
+  src/chapter02_io/writing_tcp_sync.cpp
+  src/sdk.h)
+target_link_libraries(writing_tcp_sync PRIVATE Threads::Threads)
diff --git a/boost_boilerplate/src/chapter02_io/writing_tcp_sync.cpp b/boost_boilerplate/src/chapter02_io/writing_tcp_sync.cpp
new file mode 100644
index 0000000..96a0b47
--- /dev/null
+++ b/boost_boilerplate/src/chapter02_io/writing_tcp_sync.cpp
@@ -0,0 +1,40 @@
+#include <boost/asio.hpp>
+#include <iostream>
+#include <memory>
+
+using namespace boost;
+using namespace std;
+
+void WriteToSocket(asio::ip::tcp::socket& sock)
+{
+  string buf = "Hello"s;
+  size_t total_bytes_written {};
+
+  while (total_bytes_written != buf.length())
+  {
+    total_bytes_written += sock.write_some(asio::buffer(buf.c_str() + total_bytes_written,
+                                                        buf.length() - total_bytes_written));
+  }
+}
+
+int main()
+{
+  string raw_ip_address = "127.0.0.1";
+  size_t port_num = 3333;
+
+  try
+  {
+    asio::ip::tcp::endpoint ep(asio::ip::address::from_string(raw_ip_address), port_num);
+    asio::io_service io_service;
+    asio::ip::tcp::socket sock(io_service, ep.protocol());
+
+    sock.connect(ep);
+    WriteToSocket(sock);
+  }
+  catch (const system::system_error& e)
+  {
+    cout << "Error! " << e.what() << endl;
+  }
+
+  return EXIT_SUCCESS;
+}