From 6a962df079d8bb2d714a5d005311fa30503f5b8d Mon Sep 17 00:00:00 2001
From: Lev Dragunov <l.dragunov@corp.mail.ru>
Date: Wed, 21 Oct 2015 12:56:37 +0300
Subject: [PATCH] ConnectionStatus platform method for Linux.

---
 platform/platform_linux.cpp | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/platform/platform_linux.cpp b/platform/platform_linux.cpp
index f8b5b5622d..fd220b2ccc 100644
--- a/platform/platform_linux.cpp
+++ b/platform/platform_linux.cpp
@@ -6,9 +6,18 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+#include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
+namespace
+{
+  // Web service ip to check internet connection. Now it's a mail.ru ip.
+  char constexpr kSomeWorkingWebServer[] = "217.69.139.202";
+}  // namespace
 
 /// @return directory where binary resides, including slash at the end
 static bool GetBinaryFolder(string & outPath)
@@ -121,6 +130,22 @@ void Platform::RunAsync(TFunctor const & fn, Priority p)
 
 Platform::EConnectionType Platform::ConnectionStatus()
 {
-  // @TODO Add implementation
-  return EConnectionType::CONNECTION_NONE;
+  int socketFd = socket(AF_INET, SOCK_STREAM, 0);
+  struct sockaddr_in addr;
+  if(socketFd < 0)
+    return EConnectionType::CONNECTION_NONE;
+
+  memset(&addr, '0', sizeof(addr));
+  addr.sin_family = AF_INET;
+  addr.sin_port = htons(80);
+  inet_pton(AF_INET, kSomeWorkingWebServer, &addr.sin_addr);
+
+  if(connect(socketFd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
+  {
+    close(socketFd);
+    return EConnectionType::CONNECTION_NONE;
+  }
+
+  close(socketFd);
+  return EConnectionType::CONNECTION_WIFI;
 }