summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/asio/src/examples/cpp11/files
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/asio/src/examples/cpp11/files')
-rw-r--r--3rdparty/asio/src/examples/cpp11/files/async_file_copy.cpp101
-rw-r--r--3rdparty/asio/src/examples/cpp11/files/blocking_file_copy.cpp65
2 files changed, 166 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp11/files/async_file_copy.cpp b/3rdparty/asio/src/examples/cpp11/files/async_file_copy.cpp
new file mode 100644
index 00000000000..edfb2765ed5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/files/async_file_copy.cpp
@@ -0,0 +1,101 @@
+//
+// async_file_copy.cpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_FILE)
+
+class file_copier
+{
+public:
+ file_copier(asio::io_context& io_context,
+ const char* from, const char* to)
+ : from_file_(io_context, from,
+ asio::stream_file::read_only),
+ to_file_(io_context, to,
+ asio::stream_file::write_only
+ | asio::stream_file::create
+ | asio::stream_file::truncate)
+ {
+ }
+
+ void start()
+ {
+ do_read();
+ }
+
+private:
+ void do_read()
+ {
+ from_file_.async_read_some(asio::buffer(data_),
+ [this](std::error_code error, std::size_t n)
+ {
+ if (!error)
+ {
+ do_write(n);
+ }
+ else if (error != asio::error::eof)
+ {
+ std::cerr << "Error copying file: " << error.message() << "\n";
+ }
+ });
+ }
+
+ void do_write(std::size_t n)
+ {
+ asio::async_write(to_file_, asio::buffer(data_, n),
+ [this](std::error_code error, std::size_t /*n*/)
+ {
+ if (!error)
+ {
+ do_read();
+ }
+ else
+ {
+ std::cerr << "Error copying file: " << error.message() << "\n";
+ }
+ });
+ }
+
+ asio::stream_file from_file_;
+ asio::stream_file to_file_;
+ char data_[4096];
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: async_file_copy <from> <to>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ file_copier copier(io_context, argv[1], argv[2]);
+ copier.start();
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ return 1;
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_FILE)
+int main() {}
+#endif // defined(ASIO_HAS_FILE)
diff --git a/3rdparty/asio/src/examples/cpp11/files/blocking_file_copy.cpp b/3rdparty/asio/src/examples/cpp11/files/blocking_file_copy.cpp
new file mode 100644
index 00000000000..6e111b4909d
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/files/blocking_file_copy.cpp
@@ -0,0 +1,65 @@
+//
+// blocking_file_copy.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_FILE)
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: blocking_file_copy <from> <to>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ asio::stream_file from_file(io_context, argv[1],
+ asio::stream_file::read_only);
+
+ asio::stream_file to_file(io_context, argv[2],
+ asio::stream_file::write_only
+ | asio::stream_file::create
+ | asio::stream_file::truncate);
+
+ char data[4096];
+ std::error_code error;
+ for (;;)
+ {
+ std::size_t n = from_file.read_some(asio::buffer(data), error);
+ if (error)
+ break;
+ asio::write(to_file, asio::buffer(data, n), error);
+ if (error)
+ break;
+ }
+
+ if (error && error != asio::error::eof)
+ {
+ std::cerr << "Error copying file: " << error.message() << "\n";
+ return 1;
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ return 1;
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_FILE)
+int main() {}
+#endif // defined(ASIO_HAS_FILE)