Initial commit.

src/network/CMakeLists.txt

@@ -0,0 +1,14 @@
+list(APPEND network_LIB_INCLUDES 
+    NetworkManager.cpp
+    sockets/Socket.cpp
+    sockets/UnixSocketInterface.cpp)
+
+add_library(network SHARED ${network_LIB_INCLUDES})
+
+target_include_directories(network PUBLIC
+                          "${CMAKE_CURRENT_SOURCE_DIR}"
+                          "${CMAKE_CURRENT_SOURCE_DIR}/sockets"
+                          "${PROJECT_SOURCE_DIR}/src/core/http"
+                          )
+                          
+target_link_libraries(network PUBLIC core)

src/network/NetworkManager.cpp

@@ -0,0 +1,36 @@
+#include "NetworkManager.h"
+
+NetworkManager::NetworkManager()
+	: mActiveSockets(),
+	  mSocketInterface()
+{
+
+}
+
+NetworkManager::~NetworkManager()
+{
+
+}
+
+std::shared_ptr<NetworkManager> NetworkManager::Create()
+{
+	return std::make_shared<NetworkManager>();
+}
+
+void NetworkManager::Initialize()
+{
+	mSocketInterface = UnixSocketInterface::Create();
+}
+
+void NetworkManager::RunHttpServer()
+{
+	auto socket = Socket::Create();
+	mSocketInterface->CreateSocket(socket);
+	mSocketInterface->Listen(socket);
+	mSocketInterface->Run(socket);
+}
+
+void NetworkManager::ShutDown()
+{
+
+}

src/network/NetworkManager.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <memory>
+#include <vector>
+
+#include "Socket.h"
+#include "UnixSocketInterface.h"
+
+class NetworkManager
+{
+	std::vector<SocketPtr> mActiveSockets;
+	UnixSocketInterfacePtr mSocketInterface;
+
+public:
+
+	NetworkManager();
+
+	~NetworkManager();
+
+	static std::shared_ptr<NetworkManager> Create();
+
+	void Initialize();
+
+	void OpenSocket(SocketPtr socket);
+
+	void CloseSocket(SocketPtr socket);
+
+	void RunHttpServer();
+
+	void ShutDown();
+};
+
+using NetworkManagerPtr = std::shared_ptr<NetworkManager>;

src/network/sockets/Socket.cpp

@@ -0,0 +1,38 @@
+#include "Socket.h"
+
+Socket::Socket()
+	: mPort(8888),
+	  mMessage()
+{
+
+}
+
+Socket::~Socket()
+{
+
+}
+
+std::shared_ptr<Socket> Socket::Create()
+{
+	return std::make_shared<Socket>();
+}
+
+std::string Socket::GetMessage()
+{
+	return mMessage;
+}
+
+void Socket::SetMessage(const std::string& message)
+{
+	mMessage = message;
+}
+
+void Socket::SetPort(unsigned port)
+{
+	mPort = port;
+}
+
+unsigned Socket::GetPort()
+{
+	return mPort;
+}

src/network/sockets/Socket.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <memory>
+#include <string>
+
+class Socket
+{
+	unsigned mPort;
+	std::string mMessage;
+
+public:
+
+	Socket();
+
+	~Socket();
+
+	static std::shared_ptr<Socket> Create();
+
+	void SetPort(unsigned port);
+
+	unsigned GetPort();
+
+	std::string GetMessage();
+
+	void SetMessage(const std::string& message);
+};
+
+using SocketPtr = std::shared_ptr<Socket>;

src/network/sockets/UnixSocketInterface.cpp

@@ -0,0 +1,100 @@
+#include "UnixSocketInterface.h"
+
+#include <iostream>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include "HttpResponse.h"
+
+UnixSocketInterface::UnixSocketInterface()
+	: mOpeningHandles(),
+	  mBufferSize(1024)
+{
+
+}
+
+UnixSocketInterface::~UnixSocketInterface()
+{
+
+}
+
+std::shared_ptr<UnixSocketInterface> UnixSocketInterface::Create()
+{
+	return std::make_shared<UnixSocketInterface>();
+}
+
+void UnixSocketInterface::CreateSocket(SocketPtr socketPtr)
+{
+	mOpeningHandles[socketPtr] = socket(AF_INET, SOCK_STREAM, 0);
+}
+
+void UnixSocketInterface::Listen(SocketPtr socket)
+{
+    if(mOpeningHandles[socket] < 0)
+    {
+		 std::cerr << "Error opening socket" << std::endl;
+		 return;
+    }
+
+	int port = static_cast<int>(socket->GetPort());
+    struct sockaddr_in serv_addr;
+    memset(&serv_addr, 0, sizeof(serv_addr));
+    serv_addr.sin_family = AF_INET;
+    serv_addr.sin_addr.s_addr = INADDR_ANY;
+    serv_addr.sin_port = htons(port);
+
+    int result = bind(mOpeningHandles[socket], (struct sockaddr *)&serv_addr, sizeof(serv_addr));
+    if(result< 0)
+    {
+		std::cerr << "Error binding socket" << std::endl;
+		return;
+    }
+
+    listen(mOpeningHandles[socket], 5);
+}
+
+void UnixSocketInterface::Run(SocketPtr socket)
+{
+    if(mOpeningHandles[socket] < 0)
+    {
+		 std::cerr << "Error opening socket" << std::endl;
+		 return;
+    }
+
+    struct sockaddr_in cli_addr;
+    socklen_t clilen = sizeof(cli_addr);
+    while(true)
+    {
+    	SocketHandle new_socket_handle = accept(mOpeningHandles[socket],
+    			(struct sockaddr *) &cli_addr, &clilen);
+        if (new_socket_handle < 0)
+        {
+			std::cerr << "Error on accept" << std::endl;
+			return;
+        }
+
+        char buffer[mBufferSize] = {0};
+        int n = read(new_socket_handle, buffer, mBufferSize);
+        if (n < 0)
+        {
+			std::cerr << "Error on read" << std::endl;
+			return;
+        }
+        socket->SetMessage(buffer);
+        std::cout << "Here is the message: " << buffer << std::endl;
+
+        HttpResponse response;
+        response.SetBody("Hello world!");
+
+        std::string response_message = response.ToString();
+        n = write(new_socket_handle, response_message.c_str(), response_message.length());
+        if (n < 0)
+        {
+			 std::cerr << "Error on write" << std::endl;
+			 return;
+        }
+        close(new_socket_handle);
+    }
+}

src/network/sockets/UnixSocketInterface.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <memory>
+#include <map>
+#include <cstddef>
+
+#include "Socket.h"
+
+class UnixSocketInterface
+{
+	using SocketHandle = int;
+	std::map<SocketPtr, SocketHandle> mOpeningHandles;
+	std::size_t mBufferSize;
+
+public:
+
+	UnixSocketInterface();
+
+	~UnixSocketInterface();
+
+	static std::shared_ptr<UnixSocketInterface> Create();
+
+	void CreateSocket(SocketPtr socket);
+
+	void Listen(SocketPtr socket);
+
+	void Run(SocketPtr socket);
+};
+
+using UnixSocketInterfacePtr = std::shared_ptr<UnixSocketInterface>;