commit 161f6cb9f7acc9b3081f1f5ad4df945a473f34e3
author Christopher Kohlhoff <chris@kohlhoff.com> Tue May 26 10:51:37 2020 +1000
committer Christopher Kohlhoff <chris@kohlhoff.com> Sat Feb 06 18:16:22 2021 +1100
tree b98b9a45d90da2e7b289c2ee7c89350e56e211f5
parent b9b3c9a3258e1a1972e00403839754a87c57b556

Add simple HTTP client examples.

asio/src/examples/cpp20/http_client.cpp

diff --git a/asio/src/examples/cpp20/http_client.cpp b/asio/src/examples/cpp20/http_client.cpp
new file mode 100644
index 0000000..4bb7ead
--- /dev/null
+++ b/asio/src/examples/cpp20/http_client.cpp
@@ -0,0 +1,45 @@
+// Compile with:
+//
+//   g++ -std=c++2a -fcoroutines-ts -Wall -Wextra -Ipath-to-asio/include \
+//     -DASIO_HAS_APPLE_NETWORK_FRAMEWORK -o http_client http_client.cpp -lNetwork
+
+#include <net.hpp>
+#include <netx.hpp>
+#include <iostream>
+
+using default_token = netx::as_single_t<netx::use_awaitable_t<>>;
+using socket_type = default_token::as_default_on_t<netx::generic_stream_socket>;
+
+netx::awaitable<void> run(net::io_context& ctx)
+{
+  socket_type socket(ctx);
+  co_await socket.async_connect(netx::host(netx::ip::tls_tcp::any(), "www.boost.org", "80"));
+
+  std::cout << "Sending request" << std::endl;
+  std::string request("GET /LICENSE_1_0.txt HTTP/1.0\r\nHost: www.boost.org\r\n\r\n");
+  auto [err1, n1] = co_await net::async_write(socket, net::buffer(request));
+  if (err1)
+  {
+    std::cerr << "failed to send request" << std::endl;
+    co_return;
+  }
+
+  std::cout << "Sent request, waiting for response" << std::endl;
+  std::string response;
+  auto [err2, n2] = co_await net::async_read(socket, net::dynamic_buffer(response));
+  if (err2 && err2 != net::stream_errc::eof)
+  {
+    std::cerr << "failed to receive response" << std::endl;
+    co_return;
+  }
+
+  std::cout << "Received response" << std::endl;
+  std::cout << response << std::endl;
+}
+
+int main()
+{
+  net::io_context ctx;
+  netx::co_spawn(ctx, run(ctx), netx::detached);
+  ctx.run();
+}

asio/src/examples/cpp20/https_client.cpp

diff --git a/asio/src/examples/cpp20/https_client.cpp b/asio/src/examples/cpp20/https_client.cpp
new file mode 100644
index 0000000..16f232e
--- /dev/null
+++ b/asio/src/examples/cpp20/https_client.cpp
@@ -0,0 +1,45 @@
+// Compile with:
+//
+//   g++ -std=c++2a -fcoroutines-ts -Wall -Wextra -Ipath-to-asio/include \
+//     -DASIO_HAS_APPLE_NETWORK_FRAMEWORK -o https_client https_client.cpp -lNetwork
+
+#include <net.hpp>
+#include <netx.hpp>
+#include <iostream>
+
+using default_token = netx::as_single_t<netx::use_awaitable_t<>>;
+using socket_type = default_token::as_default_on_t<netx::generic_stream_socket>;
+
+netx::awaitable<void> run(net::io_context& ctx)
+{
+  socket_type socket(ctx);
+  co_await socket.async_connect(netx::host(netx::ip::tls_tcp::any(), "www.boost.org", "443"));
+
+  std::cout << "Sending request" << std::endl;
+  std::string request("GET /LICENSE_1_0.txt HTTP/1.0\r\nHost: www.boost.org\r\n\r\n");
+  auto [err1, n1] = co_await net::async_write(socket, net::buffer(request));
+  if (err1)
+  {
+    std::cerr << "failed to send request" << std::endl;
+    co_return;
+  }
+
+  std::cout << "Sent request, waiting for response" << std::endl;
+  std::string response;
+  auto [err2, n2] = co_await net::async_read(socket, net::dynamic_buffer(response));
+  if (err2 && err2 != net::stream_errc::eof)
+  {
+    std::cerr << "failed to receive response" << std::endl;
+    co_return;
+  }
+
+  std::cout << "Received response" << std::endl;
+  std::cout << response << std::endl;
+}
+
+int main()
+{
+  net::io_context ctx;
+  netx::co_spawn(ctx, run(ctx), netx::detached);
+  ctx.run();
+}