From 5068d34c08f951a7ea6257d305a1627b09a95817 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 4 May 2024 19:44:55 +0200
Subject: Adding upstream version 0.11.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/base/network.tcp.cc | 75 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 src/base/network.tcp.cc

(limited to 'src/base/network.tcp.cc')

diff --git a/src/base/network.tcp.cc b/src/base/network.tcp.cc
new file mode 100644
index 0000000..0194b6f
--- /dev/null
+++ b/src/base/network.tcp.cc
@@ -0,0 +1,75 @@
+/**
+ * Copyright (c) 2021, Timothy Stack
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of Timothy Stack nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "network.tcp.hh"
+
+#include <netdb.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+
+#include "auto_mem.hh"
+#include "config.h"
+#include "fmt/format.h"
+
+namespace network {
+namespace tcp {
+
+Result<auto_fd, std::string>
+connect(const char* hostname, const char* servname)
+{
+    struct addrinfo hints;
+    auto_mem<addrinfo> ai(freeaddrinfo);
+
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_family = AF_UNSPEC;
+    hints.ai_socktype = SOCK_STREAM;
+    auto rc = getaddrinfo(hostname, servname, &hints, ai.out());
+
+    if (rc != 0) {
+        return Err(fmt::format(FMT_STRING("unable to resolve {}:{} -- {}"),
+                               hostname,
+                               servname,
+                               gai_strerror(rc)));
+    }
+
+    auto retval = auto_fd(socket(ai->ai_family, ai->ai_socktype, 0));
+
+    rc = ::connect(retval, ai->ai_addr, ai->ai_addrlen);
+    if (rc != 0) {
+        return Err(fmt::format(FMT_STRING("unable to connect to {}:{} -- {}"),
+                               hostname,
+                               servname,
+                               strerror(rc)));
+    }
+
+    return Ok(std::move(retval));
+}
+
+}  // namespace tcp
+}  // namespace network
-- 
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