1
0
mirror of synced 2026-05-02 14:20:21 +00:00

Inial population of repository.

This commit is contained in:
Andras Tantos
2020-09-09 15:11:45 -07:00
parent 2989973ef5
commit 95b2381d05
1323 changed files with 875486 additions and 15 deletions

40
simulator/httpd/Makefile Normal file
View File

@@ -0,0 +1,40 @@
#################################################################################
### MODE: determines what compiler flags to use
### SYSTEM: determines the intermediate and final file directory names (for now)
### DEFINES: list of predefined macros to pass to the compiler
### INC_DIRS: list of include paths to pass to the compiler
### DEP_INC_DIRS: list of include paths to search for dependencies in
### LIB_DIRS: list of library paths to pass to the linker
### TARGET_TYPE: determines whether to build executables or libraries
### SOURCES: list of source (c++) files
### SOURCE_LIBS: list of locally built libs (they are included as a dependency)
### LINK_LIBS: list of libraries to link againsg on top of SOURCE_LIBS
### TARGETS: list of target final targets (library names or executable files)
ifndef MODE
MODE=release
#MODE=debug
endif
include ../common.mak
#TARGET_TYPE = EXECUTABLE
TARGET_TYPE = LIBRARY
SOURCES =
SOURCES += connection.cpp
SOURCES += connection_manager.cpp
SOURCES += mime_types.cpp
SOURCES += reply.cpp
SOURCES += request_handler.cpp
SOURCES += request_parser.cpp
SOURCES += server.cpp
SOURCE_LIBS =
LINK_LIBS =
TARGETS =
TARGETS += httpd
include ../engine.mak

View File

@@ -0,0 +1,94 @@
//
// connection.cpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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 "connection.hpp"
#include <utility>
#include <vector>
#include "connection_manager.hpp"
#include "request_handler.hpp"
namespace http {
namespace server {
connection::connection(boost::asio::ip::tcp::socket socket,
connection_manager& manager, request_handler& handler)
: socket_(std::move(socket)),
connection_manager_(manager),
request_handler_(handler)
{
}
void connection::start()
{
do_read();
}
void connection::stop()
{
socket_.close();
}
void connection::do_read()
{
auto self(shared_from_this());
socket_.async_read_some(boost::asio::buffer(buffer_),
[this, self](boost::system::error_code ec, std::size_t bytes_transferred)
{
if (!ec)
{
request_parser::result_type result;
std::tie(result, std::ignore) = request_parser_.parse(
request_, buffer_.data(), buffer_.data() + bytes_transferred);
if (result == request_parser::good)
{
request_handler_.handle_request(request_, reply_);
do_write();
}
else if (result == request_parser::bad)
{
reply_ = reply::stock_reply(reply::bad_request);
do_write();
}
else
{
do_read();
}
}
else if (ec != boost::asio::error::operation_aborted)
{
connection_manager_.stop(shared_from_this());
}
});
}
void connection::do_write()
{
auto self(shared_from_this());
boost::asio::async_write(socket_, reply_.to_buffers(),
[this, self](boost::system::error_code ec, std::size_t)
{
if (!ec)
{
// Initiate graceful connection closure.
boost::system::error_code ignored_ec;
socket_.shutdown(boost::asio::ip::tcp::socket::shutdown_both,
ignored_ec);
}
if (ec != boost::asio::error::operation_aborted)
{
connection_manager_.stop(shared_from_this());
}
});
}
} // namespace server
} // namespace http

View File

@@ -0,0 +1,79 @@
//
// connection.hpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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)
//
#ifndef HTTP_CONNECTION_HPP
#define HTTP_CONNECTION_HPP
#include <array>
#include <memory>
#include <boost/asio.hpp>
#include "reply.hpp"
#include "request.hpp"
#include "request_handler.hpp"
#include "request_parser.hpp"
namespace http {
namespace server {
class connection_manager;
/// Represents a single connection from a client.
class connection
: public std::enable_shared_from_this<connection>
{
public:
connection(const connection&) = delete;
connection& operator=(const connection&) = delete;
/// Construct a connection with the given socket.
explicit connection(boost::asio::ip::tcp::socket socket,
connection_manager& manager, request_handler& handler);
/// Start the first asynchronous operation for the connection.
void start();
/// Stop all asynchronous operations associated with the connection.
void stop();
private:
/// Perform an asynchronous read operation.
void do_read();
/// Perform an asynchronous write operation.
void do_write();
/// Socket for the connection.
boost::asio::ip::tcp::socket socket_;
/// The manager for this connection.
connection_manager& connection_manager_;
/// The handler used to process the incoming request.
request_handler& request_handler_;
/// Buffer for incoming data.
std::array<char, 8192> buffer_;
/// The incoming request.
request request_;
/// The parser for the incoming request.
request_parser request_parser_;
/// The reply to be sent back to the client.
reply reply_;
};
typedef std::shared_ptr<connection> connection_ptr;
} // namespace server
} // namespace http
#endif // HTTP_CONNECTION_HPP

View File

@@ -0,0 +1,40 @@
//
// connection_manager.cpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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 "connection_manager.hpp"
namespace http {
namespace server {
connection_manager::connection_manager()
{
}
void connection_manager::start(connection_ptr c)
{
connections_.insert(c);
c->start();
}
void connection_manager::stop(connection_ptr c)
{
connections_.erase(c);
c->stop();
}
void connection_manager::stop_all()
{
for (auto c: connections_)
c->stop();
connections_.clear();
}
} // namespace server
} // namespace http

View File

@@ -0,0 +1,48 @@
//
// connection_manager.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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)
//
#ifndef HTTP_CONNECTION_MANAGER_HPP
#define HTTP_CONNECTION_MANAGER_HPP
#include <set>
#include "connection.hpp"
namespace http {
namespace server {
/// Manages open connections so that they may be cleanly stopped when the server
/// needs to shut down.
class connection_manager
{
public:
connection_manager(const connection_manager&) = delete;
connection_manager& operator=(const connection_manager&) = delete;
/// Construct a connection manager.
connection_manager();
/// Add the specified connection to the manager and start it.
void start(connection_ptr c);
/// Stop the specified connection.
void stop(connection_ptr c);
/// Stop all connections.
void stop_all();
private:
/// The managed connections.
std::set<connection_ptr> connections_;
};
} // namespace server
} // namespace http
#endif // HTTP_CONNECTION_MANAGER_HPP

View File

@@ -0,0 +1,28 @@
//
// header.hpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2015 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)
//
#ifndef HTTP_HEADER_HPP
#define HTTP_HEADER_HPP
#include <string>
namespace http {
namespace server {
struct header
{
std::string name;
std::string value;
};
} // namespace server
} // namespace http
#endif // HTTP_HEADER_HPP

View File

@@ -0,0 +1,94 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release_PGO_Inst|Win32">
<Configuration>Release_PGO_Inst</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release_PGO_Inst|x64">
<Configuration>Release_PGO_Inst</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="connection.cpp" />
<ClCompile Include="connection_manager.cpp" />
<ClCompile Include="mime_types.cpp" />
<ClCompile Include="reply.cpp" />
<ClCompile Include="request_handler.cpp" />
<ClCompile Include="request_parser.cpp" />
<ClCompile Include="server.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="connection.hpp" />
<ClInclude Include="connection_manager.hpp" />
<ClInclude Include="header.hpp" />
<ClInclude Include="mime_types.hpp" />
<ClInclude Include="reply.hpp" />
<ClInclude Include="request.hpp" />
<ClInclude Include="request_handler.hpp" />
<ClInclude Include="request_parser.hpp" />
<ClInclude Include="server.hpp" />
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{4124F37F-26B7-46B6-BE8D-4D8F88540EE6}</ProjectGuid>
<RootNamespace>httpd</RootNamespace>
<WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
</PropertyGroup>
<PropertyGroup Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
</PropertyGroup>
<PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<PlatformToolset>v141_xp</PlatformToolset>
</PropertyGroup>
<PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<PlatformToolset>v141_xp</PlatformToolset>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release_PGO_Inst|Win32'" Label="Configuration">
<PlatformToolset>v141_xp</PlatformToolset>
</PropertyGroup>
<PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<PlatformToolset>v141_xp</PlatformToolset>
</PropertyGroup>
<PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<PlatformToolset>v141_xp</PlatformToolset>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release_PGO_Inst|x64'" Label="Configuration">
<PlatformToolset>v141_xp</PlatformToolset>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<Import Project="..\common.props" />
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ItemDefinitionGroup Condition="'$(Configuration)'=='Release'">
<ClCompile>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<EnableParallelCodeGeneration Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</EnableParallelCodeGeneration>
</ClCompile>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)'=='Release_PGO_Inst'">
<ClCompile>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<EnableParallelCodeGeneration Condition="'$(Configuration)|$(Platform)'=='Release_PGO_Inst|x64'">false</EnableParallelCodeGeneration>
</ClCompile>
</ItemDefinitionGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
</Project>

View File

@@ -0,0 +1,69 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<Filter Include="Source Files">
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
</Filter>
<Filter Include="Header Files">
<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
<Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
</Filter>
<Filter Include="Resource Files">
<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
</Filter>
</ItemGroup>
<ItemGroup>
<ClCompile Include="connection.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="connection_manager.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="mime_types.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="reply.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="request_handler.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="request_parser.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="server.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="connection.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="connection_manager.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="header.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="mime_types.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="reply.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="request.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="request_handler.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="request_parser.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="server.hpp">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
</Project>

View File

@@ -0,0 +1,45 @@
//
// mime_types.cpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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 "mime_types.hpp"
namespace http {
namespace server {
namespace mime_types {
struct mapping
{
const char* extension;
const char* mime_type;
} mappings[] =
{
{ "gif", "image/gif" },
{ "htm", "text/html" },
{ "html", "text/html" },
{ "jpg", "image/jpeg" },
{ "png", "image/png" }
};
std::string extension_to_type(const std::string& extension)
{
for (mapping m: mappings)
{
if (m.extension == extension)
{
return m.mime_type;
}
}
return "text/plain";
}
} // namespace mime_types
} // namespace server
} // namespace http

View File

@@ -0,0 +1,27 @@
//
// mime_types.hpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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)
//
#ifndef HTTP_MIME_TYPES_HPP
#define HTTP_MIME_TYPES_HPP
#include <string>
namespace http {
namespace server {
namespace mime_types {
/// Convert a file extension into a MIME type.
std::string extension_to_type(const std::string& extension);
} // namespace mime_types
} // namespace server
} // namespace http
#endif // HTTP_MIME_TYPES_HPP

251
simulator/httpd/reply.cpp Normal file
View File

@@ -0,0 +1,251 @@
//
// reply.cpp
// ~~~~~~~~~
//
// Copyright (c) 2003-2015 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 "reply.hpp"
#include <string>
namespace http {
namespace server {
namespace status_strings {
const std::string ok =
"HTTP/1.0 200 OK\r\n";
const std::string created =
"HTTP/1.0 201 Created\r\n";
const std::string accepted =
"HTTP/1.0 202 Accepted\r\n";
const std::string no_content =
"HTTP/1.0 204 No Content\r\n";
const std::string multiple_choices =
"HTTP/1.0 300 Multiple Choices\r\n";
const std::string moved_permanently =
"HTTP/1.0 301 Moved Permanently\r\n";
const std::string moved_temporarily =
"HTTP/1.0 302 Moved Temporarily\r\n";
const std::string not_modified =
"HTTP/1.0 304 Not Modified\r\n";
const std::string bad_request =
"HTTP/1.0 400 Bad Request\r\n";
const std::string unauthorized =
"HTTP/1.0 401 Unauthorized\r\n";
const std::string forbidden =
"HTTP/1.0 403 Forbidden\r\n";
const std::string not_found =
"HTTP/1.0 404 Not Found\r\n";
const std::string internal_server_error =
"HTTP/1.0 500 Internal Server Error\r\n";
const std::string not_implemented =
"HTTP/1.0 501 Not Implemented\r\n";
const std::string bad_gateway =
"HTTP/1.0 502 Bad Gateway\r\n";
const std::string service_unavailable =
"HTTP/1.0 503 Service Unavailable\r\n";
boost::asio::const_buffer to_buffer(reply::status_type status)
{
switch (status)
{
case reply::ok:
return boost::asio::buffer(ok);
case reply::created:
return boost::asio::buffer(created);
case reply::accepted:
return boost::asio::buffer(accepted);
case reply::no_content:
return boost::asio::buffer(no_content);
case reply::multiple_choices:
return boost::asio::buffer(multiple_choices);
case reply::moved_permanently:
return boost::asio::buffer(moved_permanently);
case reply::moved_temporarily:
return boost::asio::buffer(moved_temporarily);
case reply::not_modified:
return boost::asio::buffer(not_modified);
case reply::bad_request:
return boost::asio::buffer(bad_request);
case reply::unauthorized:
return boost::asio::buffer(unauthorized);
case reply::forbidden:
return boost::asio::buffer(forbidden);
case reply::not_found:
return boost::asio::buffer(not_found);
case reply::internal_server_error:
return boost::asio::buffer(internal_server_error);
case reply::not_implemented:
return boost::asio::buffer(not_implemented);
case reply::bad_gateway:
return boost::asio::buffer(bad_gateway);
case reply::service_unavailable:
return boost::asio::buffer(service_unavailable);
default:
return boost::asio::buffer(internal_server_error);
}
}
} // namespace status_strings
namespace misc_strings {
const char name_value_separator[] = { ':', ' ' };
const char crlf[] = { '\r', '\n' };
} // namespace misc_strings
std::vector<boost::asio::const_buffer> reply::to_buffers()
{
std::vector<boost::asio::const_buffer> buffers;
buffers.push_back(status_strings::to_buffer(status));
for (auto & cur_header: headers)
{
buffers.push_back(boost::asio::buffer(cur_header.first));
buffers.push_back(boost::asio::buffer(misc_strings::name_value_separator));
buffers.push_back(boost::asio::buffer(cur_header.second));
buffers.push_back(boost::asio::buffer(misc_strings::crlf));
}
buffers.push_back(boost::asio::buffer(misc_strings::crlf));
buffers.push_back(boost::asio::buffer(content));
return buffers;
}
namespace stock_replies {
const char ok[] = "";
const char created[] =
"<html>"
"<head><title>Created</title></head>"
"<body><h1>201 Created</h1></body>"
"</html>";
const char accepted[] =
"<html>"
"<head><title>Accepted</title></head>"
"<body><h1>202 Accepted</h1></body>"
"</html>";
const char no_content[] =
"<html>"
"<head><title>No Content</title></head>"
"<body><h1>204 Content</h1></body>"
"</html>";
const char multiple_choices[] =
"<html>"
"<head><title>Multiple Choices</title></head>"
"<body><h1>300 Multiple Choices</h1></body>"
"</html>";
const char moved_permanently[] =
"<html>"
"<head><title>Moved Permanently</title></head>"
"<body><h1>301 Moved Permanently</h1></body>"
"</html>";
const char moved_temporarily[] =
"<html>"
"<head><title>Moved Temporarily</title></head>"
"<body><h1>302 Moved Temporarily</h1></body>"
"</html>";
const char not_modified[] =
"<html>"
"<head><title>Not Modified</title></head>"
"<body><h1>304 Not Modified</h1></body>"
"</html>";
const char bad_request[] =
"<html>"
"<head><title>Bad Request</title></head>"
"<body><h1>400 Bad Request</h1></body>"
"</html>";
const char unauthorized[] =
"<html>"
"<head><title>Unauthorized</title></head>"
"<body><h1>401 Unauthorized</h1></body>"
"</html>";
const char forbidden[] =
"<html>"
"<head><title>Forbidden</title></head>"
"<body><h1>403 Forbidden</h1></body>"
"</html>";
const char not_found[] =
"<html>"
"<head><title>Not Found</title></head>"
"<body><h1>404 Not Found</h1></body>"
"</html>";
const char internal_server_error[] =
"<html>"
"<head><title>Internal Server Error</title></head>"
"<body><h1>500 Internal Server Error</h1></body>"
"</html>";
const char not_implemented[] =
"<html>"
"<head><title>Not Implemented</title></head>"
"<body><h1>501 Not Implemented</h1></body>"
"</html>";
const char bad_gateway[] =
"<html>"
"<head><title>Bad Gateway</title></head>"
"<body><h1>502 Bad Gateway</h1></body>"
"</html>";
const char service_unavailable[] =
"<html>"
"<head><title>Service Unavailable</title></head>"
"<body><h1>503 Service Unavailable</h1></body>"
"</html>";
std::string to_string(reply::status_type status)
{
switch (status)
{
case reply::ok:
return ok;
case reply::created:
return created;
case reply::accepted:
return accepted;
case reply::no_content:
return no_content;
case reply::multiple_choices:
return multiple_choices;
case reply::moved_permanently:
return moved_permanently;
case reply::moved_temporarily:
return moved_temporarily;
case reply::not_modified:
return not_modified;
case reply::bad_request:
return bad_request;
case reply::unauthorized:
return unauthorized;
case reply::forbidden:
return forbidden;
case reply::not_found:
return not_found;
case reply::internal_server_error:
return internal_server_error;
case reply::not_implemented:
return not_implemented;
case reply::bad_gateway:
return bad_gateway;
case reply::service_unavailable:
return service_unavailable;
default:
return internal_server_error;
}
}
} // namespace stock_replies
reply reply::stock_reply(reply::status_type status)
{
reply rep;
rep.status = status;
rep.content = stock_replies::to_string(status);
rep.headers["Content-Length"] = std::to_string(rep.content.size());
rep.headers["Content-Type"] = "text/html";
return rep;
}
} // namespace server
} // namespace http

65
simulator/httpd/reply.hpp Normal file
View File

@@ -0,0 +1,65 @@
//
// reply.hpp
// ~~~~~~~~~
//
// Copyright (c) 2003-2015 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)
//
#ifndef HTTP_REPLY_HPP
#define HTTP_REPLY_HPP
#include <string>
#include <vector>
#include <boost/asio.hpp>
#include "header.hpp"
namespace http {
namespace server {
/// A reply to be sent to a client.
struct reply
{
/// The status of the reply.
enum status_type
{
ok = 200,
created = 201,
accepted = 202,
no_content = 204,
multiple_choices = 300,
moved_permanently = 301,
moved_temporarily = 302,
not_modified = 304,
bad_request = 400,
unauthorized = 401,
forbidden = 403,
not_found = 404,
internal_server_error = 500,
not_implemented = 501,
bad_gateway = 502,
service_unavailable = 503
} status;
/// The headers to be included in the reply.
//std::vector<header> headers;
std::map<std::string, std::string> headers;
/// The content to be sent in the reply.
std::string content;
/// Convert the reply into a vector of buffers. The buffers do not own the
/// underlying memory blocks, therefore the reply object must remain valid and
/// not be changed until the write operation has completed.
std::vector<boost::asio::const_buffer> to_buffers();
/// Get a stock reply.
static reply stock_reply(status_type status);
};
} // namespace server
} // namespace http
#endif // HTTP_REPLY_HPP

View File

@@ -0,0 +1,35 @@
//
// request.hpp
// ~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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)
//
#ifndef HTTP_REQUEST_HPP
#define HTTP_REQUEST_HPP
#include <string>
#include <vector>
#include <map>
#include "header.hpp"
namespace http {
namespace server {
/// A request received from a client.
struct request
{
std::string method;
std::string uri;
int http_version_major;
int http_version_minor;
std::vector<header> headers;
};
} // namespace server
} // namespace http
#endif // HTTP_REQUEST_HPP

View File

@@ -0,0 +1,126 @@
//
// request_handler.cpp
// ~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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 "request_handler.hpp"
#include <fstream>
#include <sstream>
#include <string>
#include "mime_types.hpp"
#include "reply.hpp"
#include "request.hpp"
namespace http {
namespace server {
request_handler::request_handler(const std::string& doc_root)
: doc_root_(doc_root)
{
}
void request_handler::handle_request(const request& req, reply& rep)
{
// Decode url to path.
std::string request_path;
if (!url_decode(req.uri, request_path))
{
rep = reply::stock_reply(reply::bad_request);
return;
}
// Request path must be absolute and not contain "..".
if (request_path.empty() || request_path[0] != '/'
|| request_path.find("..") != std::string::npos)
{
rep = reply::stock_reply(reply::bad_request);
return;
}
// If path ends in slash (i.e. is a directory) then add "index.html".
if (request_path[request_path.size() - 1] == '/')
{
request_path += "index.html";
}
// Determine the file extension.
std::size_t last_slash_pos = request_path.find_last_of("/");
std::size_t last_dot_pos = request_path.find_last_of(".");
std::string extension;
if (last_dot_pos != std::string::npos && last_dot_pos > last_slash_pos)
{
extension = request_path.substr(last_dot_pos + 1);
}
// Open the file to send back.
std::string full_path = doc_root_ + request_path;
reply::status_type PostProcessStatus = PostProcessRequest(req, request_path);
if (PostProcessStatus != reply::ok) {
rep = reply::stock_reply(PostProcessStatus);
return;
}
std::ifstream is(full_path.c_str(), std::ios::in | std::ios::binary);
if (!is)
{
rep = reply::stock_reply(reply::not_found);
return;
}
// Fill out the reply to be sent to the client.
rep.status = reply::ok;
char buf[512];
while (is.read(buf, sizeof(buf)).gcount() > 0)
rep.content.append(buf, is.gcount());
rep.headers["Content-Type"] = mime_types::extension_to_type(extension);
PostProcessResponse(rep);
rep.headers["Content-Length"] = std::to_string(rep.content.size());
}
bool request_handler::url_decode(const std::string& in, std::string& out)
{
out.clear();
out.reserve(in.size());
for (std::size_t i = 0; i < in.size(); ++i)
{
if (in[i] == '%')
{
if (i + 3 <= in.size())
{
int value = 0;
std::istringstream is(in.substr(i + 1, 2));
if (is >> std::hex >> value)
{
out += static_cast<char>(value);
i += 2;
}
else
{
return false;
}
}
else
{
return false;
}
}
else if (in[i] == '+')
{
out += ' ';
}
else
{
out += in[i];
}
}
return true;
}
} // namespace server
} // namespace http

View File

@@ -0,0 +1,49 @@
//
// request_handler.hpp
// ~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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)
//
#ifndef HTTP_REQUEST_HANDLER_HPP
#define HTTP_REQUEST_HANDLER_HPP
#include <string>
#include "request.hpp"
#include "reply.hpp"
namespace http {
namespace server {
/// The common handler for all incoming requests.
class request_handler
{
public:
request_handler(const request_handler&) = delete;
request_handler& operator=(const request_handler&) = delete;
/// Construct with a directory containing files to be served.
explicit request_handler(const std::string& doc_root);
/// Handle a request and produce a reply.
void handle_request(const request& req, reply& rep);
private:
/// The directory containing the files to be served.
std::string doc_root_;
/// Perform URL-decoding on a string. Returns false if the encoding was
/// invalid.
static bool url_decode(const std::string& in, std::string& out);
virtual void PostProcessResponse(reply& aResponse) { }
virtual reply::status_type PostProcessRequest(const request& aRequest, const std::string &aRequestPath) { return reply::ok; }
};
} // namespace server
} // namespace http
#endif // HTTP_REQUEST_HANDLER_HPP

View File

@@ -0,0 +1,315 @@
//
// request_parser.cpp
// ~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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 "request_parser.hpp"
#include "request.hpp"
namespace http {
namespace server {
request_parser::request_parser()
: state_(method_start)
{
}
void request_parser::reset()
{
state_ = method_start;
}
request_parser::result_type request_parser::consume(request& req, char input)
{
switch (state_)
{
case method_start:
if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
state_ = method;
req.method.push_back(input);
return indeterminate;
}
case method:
if (input == ' ')
{
state_ = uri;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
req.method.push_back(input);
return indeterminate;
}
case uri:
if (input == ' ')
{
state_ = http_version_h;
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
req.uri.push_back(input);
return indeterminate;
}
case http_version_h:
if (input == 'H')
{
state_ = http_version_t_1;
return indeterminate;
}
else
{
return bad;
}
case http_version_t_1:
if (input == 'T')
{
state_ = http_version_t_2;
return indeterminate;
}
else
{
return bad;
}
case http_version_t_2:
if (input == 'T')
{
state_ = http_version_p;
return indeterminate;
}
else
{
return bad;
}
case http_version_p:
if (input == 'P')
{
state_ = http_version_slash;
return indeterminate;
}
else
{
return bad;
}
case http_version_slash:
if (input == '/')
{
req.http_version_major = 0;
req.http_version_minor = 0;
state_ = http_version_major_start;
return indeterminate;
}
else
{
return bad;
}
case http_version_major_start:
if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
state_ = http_version_major;
return indeterminate;
}
else
{
return bad;
}
case http_version_major:
if (input == '.')
{
state_ = http_version_minor_start;
return indeterminate;
}
else if (is_digit(input))
{
req.http_version_major = req.http_version_major * 10 + input - '0';
return indeterminate;
}
else
{
return bad;
}
case http_version_minor_start:
if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
state_ = http_version_minor;
return indeterminate;
}
else
{
return bad;
}
case http_version_minor:
if (input == '\r')
{
state_ = expecting_newline_1;
return indeterminate;
}
else if (is_digit(input))
{
req.http_version_minor = req.http_version_minor * 10 + input - '0';
return indeterminate;
}
else
{
return bad;
}
case expecting_newline_1:
if (input == '\n')
{
state_ = header_line_start;
return indeterminate;
}
else
{
return bad;
}
case header_line_start:
if (input == '\r')
{
state_ = expecting_newline_3;
return indeterminate;
}
else if (!req.headers.empty() && (input == ' ' || input == '\t'))
{
state_ = header_lws;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
req.headers.push_back(header());
req.headers.back().name.push_back(input);
state_ = header_name;
return indeterminate;
}
case header_lws:
if (input == '\r')
{
state_ = expecting_newline_2;
return indeterminate;
}
else if (input == ' ' || input == '\t')
{
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
state_ = header_value;
req.headers.back().value.push_back(input);
return indeterminate;
}
case header_name:
if (input == ':')
{
state_ = space_before_header_value;
return indeterminate;
}
else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
{
return bad;
}
else
{
req.headers.back().name.push_back(input);
return indeterminate;
}
case space_before_header_value:
if (input == ' ')
{
state_ = header_value;
return indeterminate;
}
else
{
return bad;
}
case header_value:
if (input == '\r')
{
state_ = expecting_newline_2;
return indeterminate;
}
else if (is_ctl(input))
{
return bad;
}
else
{
req.headers.back().value.push_back(input);
return indeterminate;
}
case expecting_newline_2:
if (input == '\n')
{
state_ = header_line_start;
return indeterminate;
}
else
{
return bad;
}
case expecting_newline_3:
return (input == '\n') ? good : bad;
default:
return bad;
}
}
bool request_parser::is_char(int c)
{
return c >= 0 && c <= 127;
}
bool request_parser::is_ctl(int c)
{
return (c >= 0 && c <= 31) || (c == 127);
}
bool request_parser::is_tspecial(int c)
{
switch (c)
{
case '(': case ')': case '<': case '>': case '@':
case ',': case ';': case ':': case '\\': case '"':
case '/': case '[': case ']': case '?': case '=':
case '{': case '}': case ' ': case '\t':
return true;
default:
return false;
}
}
bool request_parser::is_digit(int c)
{
return c >= '0' && c <= '9';
}
} // namespace server
} // namespace http

View File

@@ -0,0 +1,96 @@
//
// request_parser.hpp
// ~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 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)
//
#ifndef HTTP_REQUEST_PARSER_HPP
#define HTTP_REQUEST_PARSER_HPP
#include <tuple>
namespace http {
namespace server {
struct request;
/// Parser for incoming requests.
class request_parser
{
public:
/// Construct ready to parse the request method.
request_parser();
/// Reset to initial parser state.
void reset();
/// Result of parse.
enum result_type { good, bad, indeterminate };
/// Parse some data. The enum return value is good when a complete request has
/// been parsed, bad if the data is invalid, indeterminate when more data is
/// required. The InputIterator return value indicates how much of the input
/// has been consumed.
template <typename InputIterator>
std::tuple<result_type, InputIterator> parse(request& req,
InputIterator begin, InputIterator end)
{
while (begin != end)
{
result_type result = consume(req, *begin++);
if (result == good || result == bad)
return std::make_tuple(result, begin);
}
return std::make_tuple(indeterminate, begin);
}
private:
/// Handle the next character of input.
result_type consume(request& req, char input);
/// Check if a byte is an HTTP character.
static bool is_char(int c);
/// Check if a byte is an HTTP control character.
static bool is_ctl(int c);
/// Check if a byte is defined as an HTTP tspecial character.
static bool is_tspecial(int c);
/// Check if a byte is a digit.
static bool is_digit(int c);
/// The current state of the parser.
enum state
{
method_start,
method,
uri,
http_version_h,
http_version_t_1,
http_version_t_2,
http_version_p,
http_version_slash,
http_version_major_start,
http_version_major,
http_version_minor_start,
http_version_minor,
expecting_newline_1,
header_line_start,
header_lws,
header_name,
space_before_header_value,
header_value,
expecting_newline_2,
expecting_newline_3
} state_;
};
} // namespace server
} // namespace http
#endif // HTTP_REQUEST_PARSER_HPP

110
simulator/httpd/server.cpp Normal file
View File

@@ -0,0 +1,110 @@
//
// server.cpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2015 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 "server.hpp"
#include <signal.h>
#include <utility>
#include <boost/lexical_cast.hpp>
namespace http {
namespace server {
server::server(request_handler &aRequestHandler)
: io_service_(),
signals_(io_service_),
acceptor_(io_service_),
connection_manager_(),
socket_(io_service_),
request_handler_(aRequestHandler)
{
// Register to handle the signals that indicate when the server should exit.
// It is safe to register for the same signal multiple times in a program,
// provided all registration for the specified signal is made through Asio.
signals_.add(SIGINT);
signals_.add(SIGTERM);
#if defined(SIGQUIT)
signals_.add(SIGQUIT);
#endif // defined(SIGQUIT)
}
void server::setup(const std::string& address, const std::string& port)
{
do_await_stop();
// Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
boost::asio::ip::tcp::endpoint endpoint(boost::asio::ip::tcp::v4(), boost::lexical_cast<short>(port));
if (address != "*") {
boost::asio::ip::tcp::resolver resolver(io_service_);
endpoint = *resolver.resolve({ address, port });
}
acceptor_.open(endpoint.protocol());
acceptor_.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
acceptor_.bind(endpoint);
acceptor_.listen();
do_accept();
}
void server::run()
{
// The io_service::run() call will block until all asynchronous operations
// have finished. While the server is running, there is always at least one
// asynchronous operation outstanding: the asynchronous accept call waiting
// for new incoming connections.
io_service_.run();
}
void server::poll()
{
io_service_.poll();
}
void server::stop()
{
io_service_.stop();
}
void server::do_accept()
{
acceptor_.async_accept(socket_,
[this](boost::system::error_code ec)
{
// Check whether the server was stopped by a signal before this
// completion handler had a chance to run.
if (!acceptor_.is_open())
{
return;
}
if (!ec)
{
connection_manager_.start(std::make_shared<connection>(
std::move(socket_), connection_manager_, request_handler_));
}
do_accept();
});
}
void server::do_await_stop()
{
signals_.async_wait(
[this](boost::system::error_code /*ec*/, int /*signo*/)
{
// The server is stopped by cancelling all outstanding asynchronous
// operations. Once all operations have finished the io_service::run()
// call will exit.
acceptor_.close();
connection_manager_.stop_all();
});
}
} // namespace server
} // namespace http

View File

@@ -0,0 +1,69 @@
//
// server.hpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2015 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)
//
#ifndef HTTP_SERVER_HPP
#define HTTP_SERVER_HPP
#include <boost/asio.hpp>
#include <string>
#include "connection.hpp"
#include "connection_manager.hpp"
#include "request_handler.hpp"
namespace http {
namespace server {
/// The top-level class of the HTTP server.
class server
{
public:
server(const server&) = delete;
server& operator=(const server&) = delete;
/// Construct the server to listen on the specified TCP address and port, and
/// serve up files from the given directory.
explicit server(request_handler &aRequestHandler);
void setup(const std::string& address, const std::string& port);
/// Run the server's io_service loop.
void run();
void poll();
void stop();
private:
/// Perform an asynchronous accept operation.
void do_accept();
/// Wait for a request to stop the server.
void do_await_stop();
/// The io_service used to perform asynchronous operations.
boost::asio::io_service io_service_;
/// The signal_set is used to register for process termination notifications.
boost::asio::signal_set signals_;
/// Acceptor used to listen for incoming connections.
boost::asio::ip::tcp::acceptor acceptor_;
/// The connection manager which owns all live connections.
connection_manager connection_manager_;
/// The next socket to be accepted.
boost::asio::ip::tcp::socket socket_;
/// The handler for all incoming requests.
request_handler &request_handler_;
};
} // namespace server
} // namespace http
#endif // HTTP_SERVER_HPP