fix bug with isReadyToWrite

Stop lying about Windows support ...

CMakeLists.txt

@@ -16,7 +16,6 @@ if (NOT WIN32)
 endif()
 
 set( IXWEBSOCKET_SOURCES
-    ixwebsocket/IXEventFd.cpp
     ixwebsocket/IXSocket.cpp
     ixwebsocket/IXSocketServer.cpp
     ixwebsocket/IXSocketConnect.cpp
@@ -33,10 +32,12 @@ set( IXWEBSOCKET_SOURCES
     ixwebsocket/IXWebSocketHttpHeaders.cpp
     ixwebsocket/IXHttpClient.cpp
     ixwebsocket/IXUrlParser.cpp
+    ixwebsocket/IXSelectInterrupt.cpp
+    ixwebsocket/IXSelectInterruptPipe.cpp
+    ixwebsocket/IXSelectInterruptFactory.cpp
 )
 
 set( IXWEBSOCKET_HEADERS
-    ixwebsocket/IXEventFd.h
     ixwebsocket/IXSocket.h
     ixwebsocket/IXSocketServer.h
     ixwebsocket/IXSocketConnect.h
@@ -58,6 +59,9 @@ set( IXWEBSOCKET_HEADERS
     ixwebsocket/libwshandshake.hpp
     ixwebsocket/IXHttpClient.h
     ixwebsocket/IXUrlParser.h
+    ixwebsocket/IXSelectInterrupt.h
+    ixwebsocket/IXSelectInterruptPipe.h
+    ixwebsocket/IXSelectInterruptFactory.h
 )
 
 # Platform specific code
@@ -67,6 +71,8 @@ elseif (WIN32)
     list( APPEND IXWEBSOCKET_SOURCES ixwebsocket/windows/IXSetThreadName_windows.cpp)
 else()
     list( APPEND IXWEBSOCKET_SOURCES ixwebsocket/linux/IXSetThreadName_linux.cpp)
+    list( APPEND IXWEBSOCKET_SOURCES ixwebsocket/IXSelectInterruptEventFd.cpp)
+    list( APPEND IXWEBSOCKET_HEADERS ixwebsocket/IXSelectInterruptEventFd.h)
 endif()
 
 if (USE_TLS)

README.md

@@ -11,7 +11,6 @@ communication channels over a single TCP connection. *IXWebSocket* is a C++ libr
 * iOS
 * Linux
 * Android 
-* Windows (no TLS support yet)
 
 ## Examples
 
@@ -125,7 +124,7 @@ HttpRequestArgs args;
 // Custom headers can be set
 WebSocketHttpHeaders headers;
 headers["Foo"] = "bar";
-args.extraHeaders = parseHeaders(headersData);
+args.extraHeaders = headers;
 
 // Timeout options
 args.connectTimeout = connectTimeout;
@@ -184,7 +183,7 @@ There is a Dockerfile for running some code on Linux, and a unittest which can b
 You can build and install the ws command line tool with Homebrew.
 
 ```
-brew create --cmake https://github.com/machinezone/IXWebSocket/archive/v1.1.0.tar.gz
+brew tap bsergean/IXWebSocket
 brew install IXWebSocket
 ```
 
@@ -380,7 +379,7 @@ websocket.ping("ping data, optional (empty string is ok): limited to 125 bytes l
 ### Heartbeat.
 
 You can configure an optional heart beat / keep-alive, sent every 45 seconds
-when there is not any traffic to make sure that load balancers do not kill an
+when there is no any traffic to make sure that load balancers do not kill an
 idle connection.
 
 ```

examples/cobra_publisher/ixcrypto/IXHash.cpp

@@ -1,22 +0,0 @@
-/*
- *  IXHash.h
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2018 Machine Zone. All rights reserved.
- */
-
-#include <string>
-
-namespace ix
-{
-    uint64_t djb2Hash(const std::string& data)
-    {
-        uint64_t hashAddress = 5381;
-
-        for (auto& c : data)
-        {
-            hashAddress = ((hashAddress << 5) + hashAddress) + c;
-        }
-
-        return hashAddress;
-    }
-}

examples/cobra_publisher/ixcrypto/IXHash.h

@@ -1,15 +0,0 @@
-/*
- *  IXHash.h
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2018 Machine Zone. All rights reserved.
- */
-
-#pragma once
-
-#include <string>
-
-namespace ix
-{
-    uint64_t djb2Hash(const std::string& data);
-}
-

examples/cobra_publisher/ixcrypto/IXUuid.cpp

@@ -1,75 +0,0 @@
-/*
- *  IXUuid.cpp
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2018 Machine Zone. All rights reserved.
- */
-
-/**
- * Generate a random uuid similar to the uuid python module
- *
- * >>> import uuid
- * >>> uuid.uuid4().hex
- * 'bec08155b37d4050a1f3c3fa0276bf12'
- *
- * Code adapted from https://github.com/r-lyeh-archived/sole
- */
-
-#include "IXUuid.h"
-
-#include <sstream>
-#include <string>
-#include <iomanip>
-#include <random>
-
-
-namespace ix
-{
-    class Uuid
-    {
-        public:
-            Uuid();
-            std::string toString() const;
-
-        private:
-            uint64_t _ab;
-            uint64_t _cd;
-    };
-
-    Uuid::Uuid()
-    {
-        static std::random_device rd;
-        static std::uniform_int_distribution<uint64_t> dist(0, (uint64_t)(~0));
-
-        _ab = dist(rd);
-        _cd = dist(rd);
-
-        _ab = (_ab & 0xFFFFFFFFFFFF0FFFULL) | 0x0000000000004000ULL;
-        _cd = (_cd & 0x3FFFFFFFFFFFFFFFULL) | 0x8000000000000000ULL;
-    }
-
-    std::string Uuid::toString() const
-    {
-        std::stringstream ss;
-        ss << std::hex << std::nouppercase << std::setfill('0');
-
-        uint32_t a = (_ab >> 32);
-        uint32_t b = (_ab & 0xFFFFFFFF);
-        uint32_t c = (_cd >> 32);
-        uint32_t d = (_cd & 0xFFFFFFFF);
-
-        ss << std::setw(8) << (a);
-        ss << std::setw(4) << (b >> 16);
-        ss << std::setw(4) << (b & 0xFFFF);
-        ss << std::setw(4) << (c >> 16 );
-        ss << std::setw(4) << (c & 0xFFFF);
-        ss << std::setw(8) << d;
-
-        return ss.str();
-    }
-
-    std::string uuid4()
-    {
-        Uuid id;
-        return id.toString();
-    }
-}

examples/cobra_publisher/ixcrypto/IXUuid.h

@@ -1,17 +0,0 @@
-/*
- *  IXUuid.h
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2017 Machine Zone. All rights reserved.
- */
-#pragma once
-
-#include <string>
-
-namespace ix
-{
-   /**
-    * Generate a random uuid
-    */
-   std::string uuid4();
-
-}

examples/ws_receive/.gitignore

@@ -1 +0,0 @@
-build

examples/ws_receive/CMakeLists.txt

@@ -1,30 +0,0 @@
-#
-# Author: Benjamin Sergeant
-# Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
-#
-
-cmake_minimum_required (VERSION 3.4.1)
-project (ws_receive)
-
-# There's -Weverything too for clang
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wshorten-64-to-32")
-
-set (CMAKE_CXX_STANDARD 14)
-
-option(USE_TLS "Add TLS support" ON)
-
-add_subdirectory(${PROJECT_SOURCE_DIR}/../.. ixwebsocket)
-
-include_directories(ws_receive .)
-
-add_executable(ws_receive 
-  jsoncpp/jsoncpp.cpp
-  ixcrypto/IXBase64.cpp
-  ixcrypto/IXHash.cpp
-  ws_receive.cpp)
-
-if (APPLE AND USE_TLS)
-    target_link_libraries(ws_receive "-framework foundation" "-framework security")
-endif()
-
-target_link_libraries(ws_receive ixwebsocket)

examples/ws_receive/README.md

@@ -1 +0,0 @@
-ws_receive is a simple server upload program. It needs to be used in conjonction with ws_send.

examples/ws_receive/ixcrypto

@@ -1 +0,0 @@
-../cobra_publisher/ixcrypto

examples/ws_receive/jsoncpp/json/json-forwards.h

@@ -1,333 +0,0 @@
-/// Json-cpp amalgated forward header (http://jsoncpp.sourceforge.net/).
-/// It is intended to be used with #include "json/json-forwards.h"
-/// This header provides forward declaration for all JsonCpp types.
-
-// //////////////////////////////////////////////////////////////////////
-// Beginning of content of file: LICENSE
-// //////////////////////////////////////////////////////////////////////
-
-/*
-The JsonCpp library's source code, including accompanying documentation,
-tests and demonstration applications, are licensed under the following
-conditions...
-
-Baptiste Lepilleur and The JsonCpp Authors explicitly disclaim copyright in all
-jurisdictions which recognize such a disclaimer. In such jurisdictions,
-this software is released into the Public Domain.
-
-In jurisdictions which do not recognize Public Domain property (e.g. Germany as of
-2010), this software is Copyright (c) 2007-2010 by Baptiste Lepilleur and
-The JsonCpp Authors, and is released under the terms of the MIT License (see below).
-
-In jurisdictions which recognize Public Domain property, the user of this
-software may choose to accept it either as 1) Public Domain, 2) under the
-conditions of the MIT License (see below), or 3) under the terms of dual
-Public Domain/MIT License conditions described here, as they choose.
-
-The MIT License is about as close to Public Domain as a license can get, and is
-described in clear, concise terms at:
-
-   http://en.wikipedia.org/wiki/MIT_License
-
-The full text of the MIT License follows:
-
-========================================================================
-Copyright (c) 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
-
-Permission is hereby granted, free of charge, to any person
-obtaining a copy of this software and associated documentation
-files (the "Software"), to deal in the Software without
-restriction, including without limitation the rights to use, copy,
-modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-========================================================================
-(END LICENSE TEXT)
-
-The MIT license is compatible with both the GPL and commercial
-software, affording one all of the rights of Public Domain with the
-minor nuisance of being required to keep the above copyright notice
-and license text in the source code. Note also that by accepting the
-Public Domain "license" you can re-license your copy using whatever
-license you like.
-
-*/
-
-// //////////////////////////////////////////////////////////////////////
-// End of content of file: LICENSE
-// //////////////////////////////////////////////////////////////////////
-
-
-
-
-
-#ifndef JSON_FORWARD_AMALGATED_H_INCLUDED
-# define JSON_FORWARD_AMALGATED_H_INCLUDED
-/// If defined, indicates that the source file is amalgated
-/// to prevent private header inclusion.
-#define JSON_IS_AMALGAMATION
-
-// //////////////////////////////////////////////////////////////////////
-// Beginning of content of file: include/json/config.h
-// //////////////////////////////////////////////////////////////////////
-
-// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
-// Distributed under MIT license, or public domain if desired and
-// recognized in your jurisdiction.
-// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
-
-#ifndef JSON_CONFIG_H_INCLUDED
-#define JSON_CONFIG_H_INCLUDED
-#include <stddef.h>
-#include <string> //typedef String
-#include <stdint.h> //typedef int64_t, uint64_t
-
-/// If defined, indicates that json library is embedded in CppTL library.
-//# define JSON_IN_CPPTL 1
-
-/// If defined, indicates that json may leverage CppTL library
-//#  define JSON_USE_CPPTL 1
-/// If defined, indicates that cpptl vector based map should be used instead of
-/// std::map
-/// as Value container.
-//#  define JSON_USE_CPPTL_SMALLMAP 1
-
-// If non-zero, the library uses exceptions to report bad input instead of C
-// assertion macros. The default is to use exceptions.
-#ifndef JSON_USE_EXCEPTION
-#define JSON_USE_EXCEPTION 1
-#endif
-
-/// If defined, indicates that the source file is amalgated
-/// to prevent private header inclusion.
-/// Remarks: it is automatically defined in the generated amalgated header.
-// #define JSON_IS_AMALGAMATION
-
-#ifdef JSON_IN_CPPTL
-#include <cpptl/config.h>
-#ifndef JSON_USE_CPPTL
-#define JSON_USE_CPPTL 1
-#endif
-#endif
-
-#ifdef JSON_IN_CPPTL
-#define JSON_API CPPTL_API
-#elif defined(JSON_DLL_BUILD)
-#if defined(_MSC_VER) || defined(__MINGW32__)
-#define JSON_API __declspec(dllexport)
-#define JSONCPP_DISABLE_DLL_INTERFACE_WARNING
-#endif // if defined(_MSC_VER)
-#elif defined(JSON_DLL)
-#if defined(_MSC_VER) || defined(__MINGW32__)
-#define JSON_API __declspec(dllimport)
-#define JSONCPP_DISABLE_DLL_INTERFACE_WARNING
-#endif // if defined(_MSC_VER)
-#endif // ifdef JSON_IN_CPPTL
-#if !defined(JSON_API)
-#define JSON_API
-#endif
-
-// If JSON_NO_INT64 is defined, then Json only support C++ "int" type for
-// integer
-// Storages, and 64 bits integer support is disabled.
-// #define JSON_NO_INT64 1
-
-#if defined(_MSC_VER) // MSVC
-#  if _MSC_VER <= 1200 // MSVC 6
-    // Microsoft Visual Studio 6 only support conversion from __int64 to double
-    // (no conversion from unsigned __int64).
-#    define JSON_USE_INT64_DOUBLE_CONVERSION 1
-    // Disable warning 4786 for VS6 caused by STL (identifier was truncated to '255'
-    // characters in the debug information)
-    // All projects I've ever seen with VS6 were using this globally (not bothering
-    // with pragma push/pop).
-#    pragma warning(disable : 4786)
-#  endif // MSVC 6
-
-#  if _MSC_VER >= 1500 // MSVC 2008
-    /// Indicates that the following function is deprecated.
-#    define JSONCPP_DEPRECATED(message) __declspec(deprecated(message))
-#  endif
-
-#endif // defined(_MSC_VER)
-
-// In c++11 the override keyword allows you to explicity define that a function
-// is intended to override the base-class version.  This makes the code more
-// managable and fixes a set of common hard-to-find bugs.
-#if __cplusplus >= 201103L
-# define JSONCPP_OVERRIDE override
-# define JSONCPP_NOEXCEPT noexcept
-#elif defined(_MSC_VER) && _MSC_VER > 1600 && _MSC_VER < 1900
-# define JSONCPP_OVERRIDE override
-# define JSONCPP_NOEXCEPT throw()
-#elif defined(_MSC_VER) && _MSC_VER >= 1900
-# define JSONCPP_OVERRIDE override
-# define JSONCPP_NOEXCEPT noexcept
-#else
-# define JSONCPP_OVERRIDE
-# define JSONCPP_NOEXCEPT throw()
-#endif
-
-#ifndef JSON_HAS_RVALUE_REFERENCES
-
-#if defined(_MSC_VER) && _MSC_VER >= 1600 // MSVC >= 2010
-#define JSON_HAS_RVALUE_REFERENCES 1
-#endif // MSVC >= 2010
-
-#ifdef __clang__
-#if __has_feature(cxx_rvalue_references)
-#define JSON_HAS_RVALUE_REFERENCES 1
-#endif  // has_feature
-
-#elif defined __GNUC__ // not clang (gcc comes later since clang emulates gcc)
-#if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103L)
-#define JSON_HAS_RVALUE_REFERENCES 1
-#endif  // GXX_EXPERIMENTAL
-
-#endif // __clang__ || __GNUC__
-
-#endif // not defined JSON_HAS_RVALUE_REFERENCES
-
-#ifndef JSON_HAS_RVALUE_REFERENCES
-#define JSON_HAS_RVALUE_REFERENCES 0
-#endif
-
-#ifdef __clang__
-#  if __has_extension(attribute_deprecated_with_message)
-#    define JSONCPP_DEPRECATED(message)  __attribute__ ((deprecated(message)))
-#  endif
-#elif defined __GNUC__ // not clang (gcc comes later since clang emulates gcc)
-#  if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5))
-#    define JSONCPP_DEPRECATED(message)  __attribute__ ((deprecated(message)))
-#  elif (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
-#    define JSONCPP_DEPRECATED(message)  __attribute__((__deprecated__))
-#  endif  // GNUC version
-#endif // __clang__ || __GNUC__
-
-#if !defined(JSONCPP_DEPRECATED)
-#define JSONCPP_DEPRECATED(message)
-#endif // if !defined(JSONCPP_DEPRECATED)
-
-#if __GNUC__ >= 6
-#  define JSON_USE_INT64_DOUBLE_CONVERSION 1
-#endif
-
-#if !defined(JSON_IS_AMALGAMATION)
-
-# include "version.h"
-
-# if JSONCPP_USING_SECURE_MEMORY
-#  include "allocator.h" //typedef Allocator
-# endif
-
-#endif // if !defined(JSON_IS_AMALGAMATION)
-
-namespace Json {
-typedef int Int;
-typedef unsigned int UInt;
-#if defined(JSON_NO_INT64)
-typedef int LargestInt;
-typedef unsigned int LargestUInt;
-#undef JSON_HAS_INT64
-#else                 // if defined(JSON_NO_INT64)
-// For Microsoft Visual use specific types as long long is not supported
-#if defined(_MSC_VER) // Microsoft Visual Studio
-typedef __int64 Int64;
-typedef unsigned __int64 UInt64;
-#else                 // if defined(_MSC_VER) // Other platforms, use long long
-typedef int64_t Int64;
-typedef uint64_t UInt64;
-#endif // if defined(_MSC_VER)
-typedef Int64 LargestInt;
-typedef UInt64 LargestUInt;
-#define JSON_HAS_INT64
-#endif // if defined(JSON_NO_INT64)
-#if JSONCPP_USING_SECURE_MEMORY
-#define JSONCPP_STRING        std::basic_string<char, std::char_traits<char>, Json::SecureAllocator<char> >
-#define JSONCPP_OSTRINGSTREAM std::basic_ostringstream<char, std::char_traits<char>, Json::SecureAllocator<char> >
-#define JSONCPP_OSTREAM       std::basic_ostream<char, std::char_traits<char>>
-#define JSONCPP_ISTRINGSTREAM std::basic_istringstream<char, std::char_traits<char>, Json::SecureAllocator<char> >
-#define JSONCPP_ISTREAM       std::istream
-#else
-#define JSONCPP_STRING        std::string
-#define JSONCPP_OSTRINGSTREAM std::ostringstream
-#define JSONCPP_OSTREAM       std::ostream
-#define JSONCPP_ISTRINGSTREAM std::istringstream
-#define JSONCPP_ISTREAM       std::istream
-#endif // if JSONCPP_USING_SECURE_MEMORY
-} // end namespace Json
-
-#endif // JSON_CONFIG_H_INCLUDED
-
-// //////////////////////////////////////////////////////////////////////
-// End of content of file: include/json/config.h
-// //////////////////////////////////////////////////////////////////////
-
-
-
-
-
-
-// //////////////////////////////////////////////////////////////////////
-// Beginning of content of file: include/json/forwards.h
-// //////////////////////////////////////////////////////////////////////
-
-// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
-// Distributed under MIT license, or public domain if desired and
-// recognized in your jurisdiction.
-// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
-
-#ifndef JSON_FORWARDS_H_INCLUDED
-#define JSON_FORWARDS_H_INCLUDED
-
-#if !defined(JSON_IS_AMALGAMATION)
-#include "config.h"
-#endif // if !defined(JSON_IS_AMALGAMATION)
-
-namespace Json {
-
-// writer.h
-class FastWriter;
-class StyledWriter;
-
-// reader.h
-class Reader;
-
-// features.h
-class Features;
-
-// value.h
-typedef unsigned int ArrayIndex;
-class StaticString;
-class Path;
-class PathArgument;
-class Value;
-class ValueIteratorBase;
-class ValueIterator;
-class ValueConstIterator;
-
-} // namespace Json
-
-#endif // JSON_FORWARDS_H_INCLUDED
-
-// //////////////////////////////////////////////////////////////////////
-// End of content of file: include/json/forwards.h
-// //////////////////////////////////////////////////////////////////////
-
-
-
-
-
-#endif //ifndef JSON_FORWARD_AMALGATED_H_INCLUDED

examples/ws_receive/package-lock.json

@@ -1,29 +0,0 @@
-{
-  "requires": true,
-  "lockfileVersion": 1,
-  "dependencies": {
-    "async-limiter": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
-    },
-    "base-64": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/base-64/-/base-64-0.1.0.tgz",
-      "integrity": "sha1-eAqZyE59YAJgNhURxId2E78k9rs="
-    },
-    "djb2": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/djb2/-/djb2-0.0.2.tgz",
-      "integrity": "sha1-RAs4kao6uBQrVNRpsXe66p6W5O8="
-    },
-    "ws": {
-      "version": "6.1.4",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
-      "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
-      "requires": {
-        "async-limiter": "1.0.0"
-      }
-    }
-  }
-}

examples/ws_receive/ws_receive.cpp

@@ -1,153 +0,0 @@
-/*
- *  ws_receive.cpp
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2018 Machine Zone, Inc. All rights reserved.
- */
-
-#include <iostream>
-#include <sstream>
-#include <fstream>
-#include <ixwebsocket/IXWebSocketServer.h>
-#include <jsoncpp/json/json.h>
-#include <ixcrypto/IXBase64.h>
-#include <ixcrypto/IXHash.h>
-
-
-namespace
-{
-    // We should cleanup the file name and full path further to remove .. as well
-    std::string extractFilename(const std::string& path)
-    {
-        std::string filename("filename.conf");
-        std::string::size_type idx;
-
-        idx = path.rfind('/');
-        if (idx != std::string::npos)
-        {
-            std::string filename = path.substr(idx+1);
-            return filename;
-        }
-        else
-        {
-            return std::string();
-        }
-    }
-}
-
-namespace ix
-{
-    void errorHandler(const std::string& errMsg,
-                      const std::string& id,
-                      std::shared_ptr<ix::WebSocket> webSocket)
-    {
-        Json::Value pdu;
-        pdu["kind"] = "error";
-        pdu["id"] = id;
-        pdu["message"] = errMsg;
-        webSocket->send(pdu.toStyledString());
-    }
-
-    void messageHandler(const std::string& str,
-                        std::shared_ptr<ix::WebSocket> webSocket)
-    {
-        std::cerr << "Received message: " << str.size() << std::endl;
-
-        Json::Value data;
-        Json::Reader reader;
-        if (!reader.parse(str, data))
-        {
-            errorHandler("Invalid JSON", std::string(), webSocket);
-            return;
-        }
-
-        std::cout << "id: " << data["id"].asString() << std::endl;
-
-        std::string content = ix::base64_decode(data["content"].asString());
-        std::cout << "Content size: " << content.size() << std::endl;
-
-        // Validate checksum
-        uint64_t cksum = ix::djb2Hash(data["content"].asString());
-        uint64_t cksumRef = data["djb2_hash"].asUInt64();
-
-        std::cout << "Computed hash: " << cksum << std::endl;
-        std::cout << "Reference hash: " << cksumRef << std::endl;
-
-        if (cksum != cksumRef)
-        {
-            errorHandler("Hash mismatch.", std::string(), webSocket);
-            return;
-        }
-
-        std::string filename = data["filename"].asString();
-        filename = extractFilename(filename);
-
-        std::ofstream out(filename);
-        out << content;
-        out.close();
-
-        Json::Value pdu;
-        pdu["ack"] = true;
-        pdu["id"] = data["id"];
-        pdu["filename"] = data["filename"];
-        webSocket->send(pdu.toStyledString());
-    }
-}
-
-int main(int argc, char** argv)
-{
-    int port = 8080;
-    if (argc == 2)
-    {
-        std::stringstream ss;
-        ss << argv[1];
-        ss >> port;
-    }
-
-    ix::WebSocketServer server(port);
-
-    server.setOnConnectionCallback(
-        [&server](std::shared_ptr<ix::WebSocket> webSocket)
-        {
-            webSocket->setOnMessageCallback(
-                [webSocket, &server](ix::WebSocketMessageType messageType,
-                                     const std::string& str,
-                                     size_t wireSize,
-                                     const ix::WebSocketErrorInfo& error,
-                                     const ix::WebSocketOpenInfo& openInfo,
-                                     const ix::WebSocketCloseInfo& closeInfo)
-                {
-                    if (messageType == ix::WebSocket_MessageType_Open)
-                    {
-                        std::cerr << "New connection" << std::endl;
-                        std::cerr << "Uri: " << openInfo.uri << std::endl;
-                        std::cerr << "Headers:" << std::endl;
-                        for (auto it : openInfo.headers)
-                        {
-                            std::cerr << it.first << ": " << it.second << std::endl;
-                        }
-                    }
-                    else if (messageType == ix::WebSocket_MessageType_Close)
-                    {
-                        std::cerr << "Closed connection" << std::endl;
-                    }
-                    else if (messageType == ix::WebSocket_MessageType_Message)
-                    {
-                        messageHandler(str, webSocket);
-                    }
-                }
-            );
-        }
-    );
-
-    auto res = server.listen();
-    if (!res.first)
-    {
-        std::cerr << res.second << std::endl;
-        return 1;
-    }
-
-    server.start();
-    server.wait();
-
-    return 0;
-}

examples/ws_receive/ws_receive.js

@@ -1,43 +0,0 @@
-/*
- *  ws_receive.js
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
- */
-const WebSocket = require('ws')
-const djb2 = require('djb2')
-const fs = require('fs')
-
-const wss = new WebSocket.Server({ port: 8080,
-                                   perMessageDeflate: false,
-                                   maxPayload: 1024 * 1024 * 1024 * 1024});
-
-wss.on('connection', function connection(ws) {
-  ws.on('message', function incoming(data) {
-    console.log('Received message')
-
-    let str = data.toString()
-    let obj = JSON.parse(str)
-
-    console.log(obj.id)
-    console.log(obj.djb2_hash)
-    console.log(djb2(obj.content))
-
-    var content = Buffer.from(obj.content, 'base64')
-    // let bytes = base64.decode(obj.content)
-
-    let path = obj.filename
-    fs.writeFile(path, content, function(err) {
-      if (err) {
-        throw err
-      } else {
-        console.log('wrote data to disk')
-      }
-    });
-
-    let response = {
-      id: obj.id
-    }
-
-    ws.send(JSON.stringify(response))
-  });
-});

examples/ws_send/.gitignore

@@ -1 +0,0 @@
-build

examples/ws_send/CMakeLists.txt

@@ -1,31 +0,0 @@
-#
-# Author: Benjamin Sergeant
-# Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
-#
-
-cmake_minimum_required (VERSION 3.4.1)
-project (ws_send)
-
-# There's -Weverything too for clang
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wshorten-64-to-32")
-
-set (CMAKE_CXX_STANDARD 14)
-
-option(USE_TLS "Add TLS support" ON)
-
-add_subdirectory(${PROJECT_SOURCE_DIR}/../.. ixwebsocket)
-
-include_directories(ws_send .)
-
-add_executable(ws_send 
-  jsoncpp/jsoncpp.cpp
-  ixcrypto/IXBase64.cpp
-  ixcrypto/IXUuid.cpp
-  ixcrypto/IXHash.cpp
-  ws_send.cpp)
-
-if (APPLE AND USE_TLS)
-    target_link_libraries(ws_send "-framework foundation" "-framework security")
-endif()
-
-target_link_libraries(ws_send ixwebsocket)

examples/ws_send/README.md

@@ -1 +0,0 @@
-ws_send is a simple upload program. It needs to be used in conjonction with ws_receive.

examples/ws_send/ixcrypto

@@ -1 +0,0 @@
-../cobra_publisher/ixcrypto

examples/ws_send/jsoncpp

@@ -1 +0,0 @@
-../cobra_publisher/jsoncpp

examples/ws_send/ws_send.cpp

@@ -1,306 +0,0 @@
-/*
- *  ws_send.cpp
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2017-2018 Machine Zone, Inc. All rights reserved.
- */
-
-#include <iostream>
-#include <fstream>
-#include <sstream>
-#include <vector>
-#include <condition_variable>
-#include <mutex>
-#include <chrono>
-#include <ixwebsocket/IXWebSocket.h>
-#include <ixwebsocket/IXSocket.h>
-#include <ixcrypto/IXUuid.h>
-#include <ixcrypto/IXBase64.h>
-#include <ixcrypto/IXHash.h>
-#include <jsoncpp/json/json.h>
-
-using namespace ix;
-
-namespace
-{
-    void log(const std::string& msg)
-    {
-        std::cout << msg << std::endl;
-    }
-
-    class WebSocketSender
-    {
-        public:
-            WebSocketSender(const std::string& _url,
-                            bool enablePerMessageDeflate);
-
-            void subscribe(const std::string& channel);
-            void start();
-            void stop();
-
-            void waitForConnection();
-            void waitForAck();
-
-            void sendMessage(const std::string& filename, bool throttle);
-
-        private:
-            std::string _url;
-            std::string _id;
-            ix::WebSocket _webSocket;
-            bool _enablePerMessageDeflate;
-
-            std::mutex _conditionVariableMutex;
-            std::condition_variable _condition;
-    };
-
-    WebSocketSender::WebSocketSender(const std::string& url,
-                                     bool enablePerMessageDeflate) :
-        _url(url),
-        _enablePerMessageDeflate(enablePerMessageDeflate)
-    {
-        ;
-    }
-
-    void WebSocketSender::stop()
-    {
-        _webSocket.stop();
-    }
-
-    void WebSocketSender::waitForConnection()
-    {
-        std::cout << "Connecting..." << std::endl;
-
-        std::unique_lock<std::mutex> lock(_conditionVariableMutex);
-        _condition.wait(lock);
-    }
-
-    void WebSocketSender::waitForAck()
-    {
-        std::cout << "Waiting for ack..." << std::endl;
-
-        std::unique_lock<std::mutex> lock(_conditionVariableMutex);
-        _condition.wait(lock);
-    }
-
-    std::string load(const std::string& path)
-    {
-        // std::vector<uint8_t> memblock;
-        std::string str;
-
-        std::ifstream file(path);
-        if (!file.is_open()) return std::string();
-
-        file.seekg(0, file.end);
-        std::streamoff size = file.tellg();
-        file.seekg(0, file.beg);
-
-        str.resize(size);
-        file.read((char*)&str.front(), static_cast<std::streamsize>(size));
-
-        return str;
-    }
-
-    void WebSocketSender::start()
-    {
-        _webSocket.setUrl(_url);
-
-        ix::WebSocketPerMessageDeflateOptions webSocketPerMessageDeflateOptions(
-            _enablePerMessageDeflate, false, false, 15, 15);
-        _webSocket.setPerMessageDeflateOptions(webSocketPerMessageDeflateOptions);
-
-        std::stringstream ss;
-        log(std::string("Connecting to url: ") + _url);
-
-        _webSocket.setOnMessageCallback(
-            [this](ix::WebSocketMessageType messageType,
-               const std::string& str,
-               size_t wireSize,
-               const ix::WebSocketErrorInfo& error,
-               const ix::WebSocketOpenInfo& openInfo,
-               const ix::WebSocketCloseInfo& closeInfo)
-            {
-                std::stringstream ss;
-                if (messageType == ix::WebSocket_MessageType_Open)
-                {
-                    _condition.notify_one();
-
-                    log("ws_send: connected");
-                    std::cout << "Uri: " << openInfo.uri << std::endl;
-                    std::cout << "Handshake Headers:" << std::endl;
-                    for (auto it : openInfo.headers)
-                    {
-                        std::cout << it.first << ": " << it.second << std::endl;
-                    }
-                }
-                else if (messageType == ix::WebSocket_MessageType_Close)
-                {
-                    ss << "ws_send: connection closed:";
-                    ss << " code " << closeInfo.code;
-                    ss << " reason " << closeInfo.reason << std::endl;
-                    log(ss.str());
-                }
-                else if (messageType == ix::WebSocket_MessageType_Message)
-                {
-                    _condition.notify_one();
-
-                    ss << "ws_send: received message: "
-                       << str;
-                    log(ss.str());
-
-                    Json::Value data;
-                    Json::Reader reader;
-                    if (!reader.parse(str, data))
-                    {
-                        std::cerr << "Invalid JSON response" << std::endl;
-                        return;
-                    }
-
-                    std::string id = data["id"].asString();
-                    if (_id != id)
-                    {
-                        std::cerr << "Invalid id" << std::endl;
-                    }
-                }
-                else if (messageType == ix::WebSocket_MessageType_Error)
-                {
-                    ss << "Connection error: " << error.reason      << std::endl;
-                    ss << "#retries: "         << error.retries     << std::endl;
-                    ss << "Wait time(ms): "    << error.wait_time   << std::endl;
-                    ss << "HTTP Status: "      << error.http_status << std::endl;
-                    log(ss.str());
-                }
-                else
-                {
-                    ss << "Invalid ix::WebSocketMessageType";
-                    log(ss.str());
-                }
-            });
-
-        _webSocket.start();
-    }
-
-    class Bench
-    {
-        public:
-            Bench(const std::string& description) :
-                _description(description),
-                _start(std::chrono::system_clock::now()),
-                _reported(false)
-            {
-                ;
-            }
-
-            ~Bench()
-            {
-                if (!_reported)
-                {
-                    report();
-                }
-            }
-
-            void report()
-            {
-                auto now = std::chrono::system_clock::now();
-                auto milliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(now - _start);
-
-                _ms = milliseconds.count();
-                std::cout << _description << " completed in "
-                          << _ms << "ms" << std::endl;
-
-                _reported = true;
-            }
-
-            uint64_t getDuration() const
-            {
-                return _ms;
-            }
-
-        private:
-            std::string _description;
-            std::chrono::time_point<std::chrono::system_clock> _start;
-            uint64_t _ms;
-            bool _reported;
-    };
-
-    void WebSocketSender::sendMessage(const std::string& filename,
-                                      bool throttle)
-    {
-        std::string content;
-        {
-            Bench bench("load file from disk");
-            content = load(filename);
-        }
-
-        _id = uuid4();
-
-        std::string b64Content;
-        {
-            Bench bench("base 64 encode file");
-            b64Content = base64_encode(content, content.size());
-        }
-
-        Json::Value pdu;
-        pdu["kind"] = "send";
-        pdu["id"] = _id;
-        pdu["content"] = b64Content;
-        pdu["djb2_hash"] = djb2Hash(b64Content);
-        pdu["filename"] = filename;
-
-        Bench bench("Sending file through websocket");
-        _webSocket.send(pdu.toStyledString(),
-                        [throttle](int current, int total) -> bool
-        {
-            std::cout << "Step " << current << " out of " << total << std::endl;
-
-            if (throttle)
-            {
-                std::chrono::duration<double, std::milli> duration(10);
-                std::this_thread::sleep_for(duration);
-            }
-
-            return true;
-        });
-
-        bench.report();
-        auto duration = bench.getDuration();
-        auto transferRate = 1000 * b64Content.size() / duration;
-        transferRate /= (1024 * 1024);
-        std::cout << "Send transfer rate: " << transferRate << "MB/s" << std::endl;
-    }
-
-    void wsSend(const std::string& url,
-                const std::string& path,
-                bool enablePerMessageDeflate,
-                bool throttle)
-    {
-        WebSocketSender webSocketSender(url, enablePerMessageDeflate);
-        webSocketSender.start();
-
-        webSocketSender.waitForConnection();
-
-        std::cout << "Sending..." << std::endl;
-        webSocketSender.sendMessage(path, throttle);
-
-        webSocketSender.waitForAck();
-
-        std::cout << "Done !" << std::endl;
-        webSocketSender.stop();
-    }
-}
-
-int main(int argc, char** argv)
-{
-    if (argc != 3)
-    {
-        std::cerr << "Usage: ws_send <url> <path>" << std::endl;
-        return 1;
-    }
-    std::string url = argv[1];
-    std::string path = argv[2];
-
-    bool throttle = false;
-    bool enablePerMessageDeflate = false;
-
-    Socket::init();
-    wsSend(url, path, enablePerMessageDeflate, throttle);
-    return 0;
-}

ixwebsocket/IXEventFd.cpp

@@ -1,117 +0,0 @@
-/*
- *  IXEventFd.cpp
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2018 Machine Zone, Inc. All rights reserved.
- */
-
-//
-// Linux/Android has a special type of virtual files. select(2) will react
-// when reading/writing to those files, unlike closing sockets.
-//
-// https://linux.die.net/man/2/eventfd
-// http://www.sourcexr.com/articles/2013/10/26/lightweight-inter-process-signaling-with-eventfd
-//
-// eventfd was added in Linux kernel 2.x, and our oldest Android (Kitkat 4.4)
-// is on Kernel 3.x
-//
-// cf Android/Kernel table here
-// https://android.stackexchange.com/questions/51651/which-android-runs-which-linux-kernel
-//
-// On macOS we use UNIX pipes to wake up select.
-//
-
-#include "IXEventFd.h"
-
-#ifdef __linux__
-# include <sys/eventfd.h>
-#endif
-
-#include <unistd.h> // for write
-#include <fcntl.h>
-
-namespace ix
-{
-    EventFd::EventFd()
-    {
-#ifdef __linux__
-        _eventfd = -1;
-        _eventfd = eventfd(0, 0);
-        fcntl(_eventfd, F_SETFL, O_NONBLOCK);
-#else
-        _fildes[0] = -1;
-        _fildes[1] = -1;
-
-        pipe(_fildes);
-        fcntl(_fildes[0], F_SETFL, O_NONBLOCK);
-        fcntl(_fildes[1], F_SETFL, O_NONBLOCK);
-#endif
-    }
-
-    EventFd::~EventFd()
-    {
-#ifdef __linux__
-        ::close(_eventfd);
-#else
-        ::close(_fildes[0]);
-        ::close(_fildes[1]);
-        _fildes[0] = -1;
-        _fildes[1] = -1;
-#endif
-    }
-
-    bool EventFd::notify(uint64_t value)
-    {
-        int fd;
-
-#if defined(__linux__)
-        fd = _eventfd;
-#else
-        // File descriptor at index 1 in _fildes is the write end of the pipe
-        fd = _fildes[1];
-#endif
-
-        if (fd == -1) return false;
-
-        // we should write 8 bytes for an uint64_t
-        return write(fd, &value, sizeof(value)) == 8;
-    }
-
-    // TODO: return max uint64_t for errors ?
-    uint64_t EventFd::read()
-    {
-        int fd;
-
-#if defined(__linux__)
-        fd = _eventfd;
-#else
-        fd = _fildes[0];
-#endif
-        uint64_t value = 0;
-        ::read(fd, &value, sizeof(value));
-        return value;
-    }
-
-    bool EventFd::clear()
-    {
-#if defined(__linux__)
-        if (_eventfd == -1) return false;
-
-        // 0 is a special value ; select will not wake up
-        uint64_t value = 0;
-
-        // we should write 8 bytes for an uint64_t
-        return write(_eventfd, &value, sizeof(value)) == 8;
-#else
-        return true;
-#endif
-    }
-
-    int EventFd::getFd()
-    {
-#if defined(__linux__)
-        return _eventfd;
-#else
-        return _fildes[0];
-#endif
-    }
-}

ixwebsocket/IXEventFd.h

@@ -1,33 +0,0 @@
-/*
- *  IXEventFd.h
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2018 Machine Zone, Inc. All rights reserved.
- */
-
-#pragma once
-
-#include <stdint.h>
-
-namespace ix
-{
-    class EventFd {
-    public:
-        EventFd();
-        virtual ~EventFd();
-
-        bool notify(uint64_t value);
-        bool clear();
-        uint64_t read();
-        int getFd();
-
-    private:
-#if defined(__linux__)
-        int _eventfd;
-#else
-        // Store file descriptors used by the communication pipe. Communication
-        // happens between a control thread and a background thread, which is
-        // blocked on select.
-        int _fildes[2];
-#endif
-    };
-}

ixwebsocket/IXSelectInterrupt.cpp

@@ -0,0 +1,46 @@
+/*
+ *  IXSelectInterrupt.cpp
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
+ */
+
+#include "IXSelectInterrupt.h"
+
+namespace ix
+{
+    SelectInterrupt::SelectInterrupt()
+    {
+        ;
+    }
+
+    SelectInterrupt::~SelectInterrupt()
+    {
+        ;
+    }
+
+    bool SelectInterrupt::init(std::string& /*errorMsg*/)
+    {
+        return true;
+    }
+
+    bool SelectInterrupt::notify(uint64_t /*value*/)
+    {
+        return true;
+    }
+
+    uint64_t SelectInterrupt::read()
+    {
+        return 0;
+    }
+
+    bool SelectInterrupt::clear()
+    {
+        return true;
+    }
+
+    int SelectInterrupt::getFd() const
+    {
+        return -1;
+    }
+}
+

ixwebsocket/IXSelectInterrupt.h

@@ -0,0 +1,28 @@
+/*
+ *  IXSelectInterrupt.h
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <string>
+
+namespace ix
+{
+    class SelectInterrupt {
+    public:
+        SelectInterrupt();
+        virtual ~SelectInterrupt();
+
+        virtual bool init(std::string& errorMsg);
+
+        virtual bool notify(uint64_t value);
+        virtual bool clear();
+        virtual uint64_t read();
+        virtual int getFd() const;
+    };
+}
+
+

ixwebsocket/IXSelectInterruptEventFd.cpp

@@ -0,0 +1,116 @@
+/*
+ *  IXSelectInterruptEventFd.cpp
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2018-2019 Machine Zone, Inc. All rights reserved.
+ */
+
+//
+// On Linux we use eventd to wake up select.
+//
+
+//
+// Linux/Android has a special type of virtual files. select(2) will react
+// when reading/writing to those files, unlike closing sockets.
+//
+// https://linux.die.net/man/2/eventfd
+// http://www.sourcexr.com/articles/2013/10/26/lightweight-inter-process-signaling-with-eventfd
+//
+// eventfd was added in Linux kernel 2.x, and our oldest Android (Kitkat 4.4)
+// is on Kernel 3.x
+//
+// cf Android/Kernel table here
+// https://android.stackexchange.com/questions/51651/which-android-runs-which-linux-kernel
+//
+// On macOS we use UNIX pipes to wake up select.
+//
+
+#include "IXSelectInterruptEventFd.h"
+
+#include <sys/eventfd.h>
+
+#include <unistd.h> // for write
+#include <string.h> // for strerror
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <sstream>
+
+namespace ix
+{
+    SelectInterruptEventFd::SelectInterruptEventFd()
+    {
+        _eventfd = -1;
+    }
+
+    SelectInterruptEventFd::~SelectInterruptEventFd()
+    {
+        ::close(_eventfd);
+    }
+
+    bool SelectInterruptEventFd::init(std::string& errorMsg)
+    {
+        // calling init twice is a programming error
+        assert(_eventfd == -1);
+
+        _eventfd = eventfd(0, 0);
+        if (_eventfd < 0)
+        {
+            std::stringstream ss;
+            ss << "SelectInterruptEventFd::init() failed in eventfd()"
+               << " : " << strerror(errno);
+            errorMsg = ss.str();
+
+            _eventfd = -1;
+            return false;
+        }
+
+        if (fcntl(_eventfd, F_SETFL, O_NONBLOCK) == -1)
+        {
+            std::stringstream ss;
+            ss << "SelectInterruptEventFd::init() failed in fcntl() call"
+               << " : " << strerror(errno);
+            errorMsg = ss.str();
+
+            _eventfd = -1;
+            return false;
+        }
+
+        return true;
+    }
+
+    bool SelectInterruptEventFd::notify(uint64_t value)
+    {
+        int fd = _eventfd;
+
+        if (fd == -1) return false;
+
+        // we should write 8 bytes for an uint64_t
+        return write(fd, &value, sizeof(value)) == 8;
+    }
+
+    // TODO: return max uint64_t for errors ?
+    uint64_t SelectInterruptEventFd::read()
+    {
+        int fd = _eventfd;
+
+        uint64_t value = 0;
+        ::read(fd, &value, sizeof(value));
+        return value;
+    }
+
+    bool SelectInterruptEventFd::clear()
+    {
+        if (_eventfd == -1) return false;
+
+        // 0 is a special value ; select will not wake up
+        uint64_t value = 0;
+
+        // we should write 8 bytes for an uint64_t
+        return write(_eventfd, &value, sizeof(value)) == 8;
+    }
+
+    int SelectInterruptEventFd::getFd() const
+    {
+        return _eventfd;
+    }
+}

ixwebsocket/IXSelectInterruptEventFd.h

@@ -0,0 +1,32 @@
+/*
+ *  IXSelectInterruptEventFd.h
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2018-2019 Machine Zone, Inc. All rights reserved.
+ */
+
+#pragma once
+
+#include "IXSelectInterrupt.h"
+
+#include <stdint.h>
+#include <string>
+
+namespace ix
+{
+    class SelectInterruptEventFd : public SelectInterrupt {
+    public:
+        SelectInterruptEventFd();
+        virtual ~SelectInterruptEventFd();
+
+        bool init(std::string& errorMsg) final;
+
+        bool notify(uint64_t value) final;
+        bool clear() final;
+        uint64_t read() final;
+        int getFd() const final;
+
+    private:
+        int _eventfd;
+    };
+}
+

ixwebsocket/IXSelectInterruptFactory.cpp

@@ -0,0 +1,25 @@
+/*
+ *  IXSelectInterruptFactory.cpp
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
+ */
+
+#include "IXSelectInterruptFactory.h"
+
+#if defined(__linux__) || defined(__APPLE__)
+# include <ixwebsocket/IXSelectInterruptPipe.h>
+#else
+# include <ixwebsocket/IXSelectInterrupt.h>
+#endif
+
+namespace ix
+{
+    std::shared_ptr<SelectInterrupt> createSelectInterrupt()
+    {
+#if defined(__linux__) || defined(__APPLE__)
+        return std::make_shared<SelectInterruptPipe>();
+#else
+        return std::make_shared<SelectInterrupt>();
+#endif
+    }
+}

ixwebsocket/IXSelectInterruptFactory.h

@@ -0,0 +1,15 @@
+/*
+ *  IXSelectInterruptFactory.h
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
+ */
+
+#pragma once
+
+#include <memory>
+
+namespace ix
+{
+    class SelectInterrupt;
+    std::shared_ptr<SelectInterrupt> createSelectInterrupt();
+}

ixwebsocket/IXSelectInterruptPipe.cpp

@@ -0,0 +1,138 @@
+/*
+ *  IXSelectInterruptPipe.cpp
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2018-2019 Machine Zone, Inc. All rights reserved.
+ */
+
+//
+// On macOS we use UNIX pipes to wake up select.
+//
+
+#include "IXSelectInterruptPipe.h"
+
+#include <unistd.h> // for write
+#include <string.h> // for strerror
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <sstream>
+
+namespace ix
+{
+    // File descriptor at index 0 in _fildes is the read end of the pipe
+    // File descriptor at index 1 in _fildes is the write end of the pipe
+    const int SelectInterruptPipe::kPipeReadIndex = 0;
+    const int SelectInterruptPipe::kPipeWriteIndex = 1;
+
+    SelectInterruptPipe::SelectInterruptPipe()
+    {
+        _fildes[kPipeReadIndex] = -1;
+        _fildes[kPipeWriteIndex] = -1;
+    }
+
+    SelectInterruptPipe::~SelectInterruptPipe()
+    {
+        ::close(_fildes[kPipeReadIndex]);
+        ::close(_fildes[kPipeWriteIndex]);
+        _fildes[kPipeReadIndex] = -1;
+        _fildes[kPipeWriteIndex] = -1;
+    }
+
+    bool SelectInterruptPipe::init(std::string& errorMsg)
+    {
+        // calling init twice is a programming error
+        assert(_fildes[kPipeReadIndex] == -1);
+        assert(_fildes[kPipeWriteIndex] == -1);
+
+        if (pipe(_fildes) < 0)
+        {
+            std::stringstream ss;
+            ss << "SelectInterruptPipe::init() failed in pipe() call"
+               << " : " << strerror(errno);
+            errorMsg = ss.str();
+            return false;
+        }
+
+        if (fcntl(_fildes[kPipeReadIndex], F_SETFL, O_NONBLOCK) == -1)
+        {
+            std::stringstream ss;
+            ss << "SelectInterruptPipe::init() failed in fcntl(..., O_NONBLOCK) call"
+               << " : " << strerror(errno);
+            errorMsg = ss.str();
+
+            _fildes[kPipeReadIndex] = -1;
+            _fildes[kPipeWriteIndex] = -1;
+            return false;
+        }
+
+        if (fcntl(_fildes[kPipeWriteIndex], F_SETFL, O_NONBLOCK) == -1)
+        {
+            std::stringstream ss;
+            ss << "SelectInterruptPipe::init() failed in fcntl(..., O_NONBLOCK) call"
+               << " : " << strerror(errno);
+            errorMsg = ss.str();
+
+            _fildes[kPipeReadIndex] = -1;
+            _fildes[kPipeWriteIndex] = -1;
+            return false;
+        }
+
+#ifdef F_SETNOSIGPIPE
+        if (fcntl(_fildes[kPipeWriteIndex], F_SETNOSIGPIPE, 1) == -1)
+        {
+            std::stringstream ss;
+            ss << "SelectInterruptPipe::init() failed in fcntl(.... F_SETNOSIGPIPE) call"
+               << " : " << strerror(errno);
+            errorMsg = ss.str();
+
+            _fildes[kPipeReadIndex] = -1;
+            _fildes[kPipeWriteIndex] = -1;
+            return false;
+        }
+
+        if (fcntl(_fildes[kPipeWriteIndex], F_SETNOSIGPIPE, 1) == -1)
+        {
+            std::stringstream ss;
+            ss << "SelectInterruptPipe::init() failed in fcntl(..., F_SETNOSIGPIPE) call"
+               << " : " << strerror(errno);
+            errorMsg = ss.str();
+
+            _fildes[kPipeReadIndex] = -1;
+            _fildes[kPipeWriteIndex] = -1;
+            return false;
+        }
+#endif
+
+        return true;
+    }
+
+    bool SelectInterruptPipe::notify(uint64_t value)
+    {
+        int fd = _fildes[kPipeWriteIndex];
+        if (fd == -1) return false;
+
+        // we should write 8 bytes for an uint64_t
+        return write(fd, &value, sizeof(value)) == 8;
+    }
+
+    // TODO: return max uint64_t for errors ?
+    uint64_t SelectInterruptPipe::read()
+    {
+        int fd = _fildes[kPipeReadIndex];
+
+        uint64_t value = 0;
+        ::read(fd, &value, sizeof(value));
+
+        return value;
+    }
+
+    bool SelectInterruptPipe::clear()
+    {
+        return true;
+    }
+
+    int SelectInterruptPipe::getFd() const
+    {
+        return _fildes[kPipeReadIndex];
+    }
+}

ixwebsocket/IXSelectInterruptPipe.h

@@ -0,0 +1,39 @@
+/*
+ *  IXSelectInterruptPipe.h
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2018-2019 Machine Zone, Inc. All rights reserved.
+ */
+
+#pragma once
+
+#include "IXSelectInterrupt.h"
+
+#include <stdint.h>
+#include <string>
+
+namespace ix
+{
+    class SelectInterruptPipe : public SelectInterrupt {
+    public:
+        SelectInterruptPipe();
+        virtual ~SelectInterruptPipe();
+
+        bool init(std::string& errorMsg) final;
+
+        bool notify(uint64_t value) final;
+        bool clear() final;
+        uint64_t read() final;
+        int getFd() const final;
+
+    private:
+        // Store file descriptors used by the communication pipe. Communication
+        // happens between a control thread and a background thread, which is
+        // blocked on select.
+        int _fildes[2];
+
+        // Used to identify the read/write idx
+        static const int kPipeReadIndex;
+        static const int kPipeWriteIndex;
+    };
+}
+

ixwebsocket/IXSocket.cpp

@@ -7,6 +7,8 @@
 #include "IXSocket.h"
 #include "IXSocketConnect.h"
 #include "IXNetSystem.h"
+#include "IXSelectInterrupt.h"
+#include "IXSelectInterruptFactory.h"
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -23,12 +25,13 @@ namespace ix
 {
     const int Socket::kDefaultPollNoTimeout = -1; // No poll timeout by default
     const int Socket::kDefaultPollTimeout = kDefaultPollNoTimeout;
-    const uint8_t Socket::kSendRequest = 1;
-    const uint8_t Socket::kCloseRequest = 2;
+    const uint64_t Socket::kSendRequest = 1;
+    const uint64_t Socket::kCloseRequest = 2;
     constexpr size_t Socket::kChunkSize;
 
     Socket::Socket(int fd) :
-        _sockfd(fd)
+        _sockfd(fd),
+        _selectInterrupt(createSelectInterrupt())
     {
         ;
     }
@@ -46,34 +49,38 @@ namespace ix
             return;
         }
 
-        PollResultType pollResult = select(timeoutSecs, 0);
+        PollResultType pollResult = isReadyToRead(1000 * timeoutSecs);
 
         if (onPollCallback) onPollCallback(pollResult);
     }
 
-    PollResultType Socket::select(int timeoutSecs, int timeoutMs)
+    PollResultType Socket::select(bool readyToRead, int timeoutMs)
     {
         fd_set rfds;
+        fd_set wfds;
         FD_ZERO(&rfds);
-        FD_SET(_sockfd, &rfds);
+        FD_ZERO(&wfds);
 
-        // File descriptor at index 0 in _fildes is the read end of the pipe
-        int eventfd = _eventfd.getFd();
-        if (eventfd != -1)
+        fd_set* fds = (readyToRead) ? &rfds : & wfds;
+        FD_SET(_sockfd, fds);
+
+        // File descriptor used to interrupt select when needed
+        int interruptFd = _selectInterrupt->getFd();
+        if (interruptFd != -1)
         {
-            FD_SET(eventfd, &rfds);
+            FD_SET(interruptFd, fds);
         }
 
         struct timeval timeout;
-        timeout.tv_sec = timeoutSecs;
-        timeout.tv_usec = 1000 * timeoutMs;
+        timeout.tv_sec = timeoutMs / 1000;
+        timeout.tv_usec = (timeoutMs < 1000) ? 0 : 1000 * (timeoutMs % 1000);
 
         // Compute the highest fd.
         int sockfd = _sockfd;
-        int nfds = (std::max)(sockfd, eventfd);
+        int nfds = (std::max)(sockfd, interruptFd);
 
-        int ret = ::select(nfds + 1, &rfds, nullptr, nullptr,
-                           (timeoutSecs < 0) ? nullptr : &timeout);
+        int ret = ::select(nfds + 1, &rfds, &wfds, nullptr,
+                           (timeoutMs < 0) ? nullptr : &timeout);
 
         PollResultType pollResult = PollResultType_ReadyForRead;
         if (ret < 0)
@@ -84,9 +91,9 @@ namespace ix
         {
             pollResult = PollResultType_Timeout;
         }
-        else if (eventfd != -1 && FD_ISSET(eventfd, &rfds))
+        else if (interruptFd != -1 && FD_ISSET(interruptFd, &rfds))
         {
-            uint8_t value = _eventfd.read();
+            uint64_t value = _selectInterrupt->read();
 
             if (value == kSendRequest)
             {
@@ -97,14 +104,34 @@ namespace ix
                 pollResult = PollResultType_CloseRequest;
             }
         }
+        else if (sockfd != -1 && readyToRead && FD_ISSET(sockfd, &rfds))
+        {
+            pollResult = PollResultType_ReadyForRead;
+        }
+        else if (sockfd != -1 && !readyToRead && FD_ISSET(sockfd, &wfds))
+        {
+            pollResult = PollResultType_ReadyForWrite;
+        }
 
         return pollResult;
     }
 
+    PollResultType Socket::isReadyToRead(int timeoutMs)
+    {
+        bool readyToRead = true;
+        return select(readyToRead, timeoutMs);
+    }
+
+    PollResultType Socket::isReadyToWrite(int timeoutMs)
+    {
+        bool readyToRead = false;
+        return select(readyToRead, timeoutMs);
+    }
+
     // Wake up from poll/select by writing to the pipe which is watched by select
     bool Socket::wakeUpFromPoll(uint8_t wakeUpCode)
     {
-        return _eventfd.notify(wakeUpCode);
+        return _selectInterrupt->notify(wakeUpCode);
     }
 
     bool Socket::connect(const std::string& host,
@@ -114,7 +141,7 @@ namespace ix
     {
         std::lock_guard<std::mutex> lock(_socketMutex);
 
-        if (!_eventfd.clear()) return false;
+        if (!_selectInterrupt->clear()) return false;
 
         _sockfd = SocketConnect::connect(host, port, errMsg, isCancellationRequested);
         return _sockfd != -1;
@@ -173,24 +200,9 @@ namespace ix
 #endif
     }
 
-    bool Socket::init()
+    bool Socket::init(std::string& errorMsg)
     {
-#ifdef _WIN32
-        INT rc;
-        WSADATA wsaData;
-
-        rc = WSAStartup(MAKEWORD(2, 2), &wsaData);
-        return rc != 0;
-#else
-        return true;
-#endif
-    }
-
-    void Socket::cleanup()
-    {
-#ifdef _WIN32
-        WSACleanup();
-#endif
+        return _selectInterrupt->init(errorMsg);
     }
 
     bool Socket::writeBytes(const std::string& str,
@@ -243,10 +255,9 @@ namespace ix
             else if (ret < 0 && (getErrno() == EWOULDBLOCK ||
                                  getErrno() == EAGAIN))
             {
-                // Wait with a timeout until something is ready to read.
+                // Wait with a 1ms timeout until the socket is ready to read.
                 // This way we are not busy looping
-                int res = select(0, 1);
-                if (res < 0 && (errno == EBADF || errno == EINVAL))
+                if (isReadyToRead(1) == PollResultType_Error)
                 {
                     return false;
                 }
@@ -313,9 +324,12 @@ namespace ix
 
             if (onProgressCallback) onProgressCallback((int) output.size(), (int) length);
 
-            // Wait with a timeout until something is ready to read.
+            // Wait with a 1ms timeout until the socket is ready to read.
             // This way we are not busy looping
-            select(0, 1);
+            if (isReadyToRead(1) == PollResultType_Error)
+            {
+                return std::make_pair(false, std::string());
+            }
         }
 
         return std::make_pair(true, std::string(output.begin(),

ixwebsocket/IXSocket.h

@@ -11,6 +11,7 @@
 #include <mutex>
 #include <atomic>
 #include <vector>
+#include <memory>
 
 #ifdef _WIN32
 #include <BaseTsd.h>
@@ -19,17 +20,19 @@ typedef SSIZE_T ssize_t;
 
 #include "IXCancellationRequest.h"
 #include "IXProgressCallback.h"
-#include "IXEventFd.h"
 
 namespace ix
 {
+    class SelectInterrupt;
+
     enum PollResultType
     {
         PollResultType_ReadyForRead = 0,
-        PollResultType_Timeout = 1,
-        PollResultType_Error = 2,
-        PollResultType_SendRequest = 3,
-        PollResultType_CloseRequest = 4
+        PollResultType_ReadyForWrite = 1,
+        PollResultType_Timeout = 2,
+        PollResultType_Error = 3,
+        PollResultType_SendRequest = 4,
+        PollResultType_CloseRequest = 5
     };
 
     class Socket {
@@ -38,13 +41,17 @@ namespace ix
 
         Socket(int fd = -1);
         virtual ~Socket();
+        bool init(std::string& errorMsg);
 
         void configure();
 
-        PollResultType select(int timeoutSecs, int timeoutMs);
-        virtual void poll(const OnPollCallback& onPollCallback,
-                          int timeoutSecs = kDefaultPollTimeout);
-        virtual bool wakeUpFromPoll(uint8_t wakeUpCode);
+        // Functions to check whether there is activity on the socket
+        void poll(const OnPollCallback& onPollCallback,
+                  int timeoutSecs = kDefaultPollTimeout);
+        bool wakeUpFromPoll(uint8_t wakeUpCode);
+
+        PollResultType isReadyToWrite(int timeoutMs);
+        PollResultType isReadyToRead(int timeoutMs);
 
         // Virtual methods
         virtual bool connect(const std::string& url,
@@ -72,12 +79,10 @@ namespace ix
             const CancellationRequest& isCancellationRequested);
 
         static int getErrno();
-        static bool init(); // Required on Windows to initialize WinSocket
-        static void cleanup(); // Required on Windows to cleanup WinSocket
 
         // Used as special codes for pipe communication
-        static const uint8_t kSendRequest;
-        static const uint8_t kCloseRequest;
+        static const uint64_t kSendRequest;
+        static const uint64_t kCloseRequest;
 
     protected:
         void closeSocket(int fd);
@@ -86,6 +91,8 @@ namespace ix
         std::mutex _socketMutex;
 
     private:
+        PollResultType select(bool readyToRead, int timeoutMs);
+
         static const int kDefaultPollTimeout;
         static const int kDefaultPollNoTimeout;
 
@@ -93,6 +100,6 @@ namespace ix
         std::vector<uint8_t> _readBuffer;
         static constexpr size_t kChunkSize = 1 << 15;
 
-        EventFd _eventfd;
+        std::shared_ptr<SelectInterrupt> _selectInterrupt;
     };
 }

ixwebsocket/IXSocketFactory.cpp

@@ -20,23 +20,45 @@ namespace ix
                                          std::string& errorMsg)
     {
         errorMsg.clear();
+        std::shared_ptr<Socket> socket;
 
         if (!tls)
         {
-            return std::make_shared<Socket>();
+            socket = std::make_shared<Socket>();
         }
         else
         {
 #ifdef IXWEBSOCKET_USE_TLS
 # ifdef __APPLE__
-            return std::make_shared<SocketAppleSSL>();
+            socket = std::make_shared<SocketAppleSSL>();
 # else
-            return std::make_shared<SocketOpenSSL>();
+            socket = std::make_shared<SocketOpenSSL>();
 # endif
 #else
             errorMsg = "TLS support is not enabled on this platform.";
             return nullptr;
 #endif
         }
+
+        if (!socket->init(errorMsg))
+        {
+            socket.reset();
+        }
+
+        return socket;
+    }
+
+    std::shared_ptr<Socket> createSocket(int fd,
+                                         std::string& errorMsg)
+    {
+        errorMsg.clear();
+
+        std::shared_ptr<Socket> socket = std::make_shared<Socket>(fd);
+        if (!socket->init(errorMsg))
+        {
+            socket.reset();
+        }
+
+        return socket;
     }
 }

ixwebsocket/IXSocketFactory.h

@@ -14,4 +14,7 @@ namespace ix
     class Socket;
     std::shared_ptr<Socket> createSocket(bool tls,
                                          std::string& errorMsg);
+
+    std::shared_ptr<Socket> createSocket(int fd,
+                                         std::string& errorMsg);
 }

ixwebsocket/IXWebSocketTransport.cpp

@@ -1,18 +1,18 @@
 /*
  * The MIT License (MIT)
- * 
+ *
  * Copyright (c) 2012, 2013 <dhbaird@gmail.com>
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -123,8 +123,13 @@ namespace ix
     // Server
     WebSocketInitResult WebSocketTransport::connectToSocket(int fd, int timeoutSecs)
     {
-        _socket.reset();
-        _socket = std::make_shared<Socket>(fd);
+        std::string errorMsg;
+        _socket = createSocket(fd, errorMsg);
+
+        if (!_socket)
+        {
+            return WebSocketInitResult(false, 0, errorMsg);
+        }
 
         WebSocketHandshake webSocketHandshake(_requestInitCancellation,
                                               _socket,
@@ -197,13 +202,20 @@ namespace ix
                 {
                     while (!isSendBufferEmpty() && !_requestInitCancellation)
                     {
-                        sendOnSocket();
+                        // Wait with a 10ms timeout until the socket is ready to write.
+                        // This way we are not busy looping
+                        PollResultType result = _socket->isReadyToWrite(10);
 
-                        // Sleep 10ms between each send so that we dont busy loop
-                        // A better strategy would be to select on the socket to 
-                        // check whether we can write to it without blocking
-                        std::chrono::duration<double, std::micro> duration(10);
-                        std::this_thread::sleep_for(duration);
+                        if (result == PollResultType_Error)
+                        {
+                            _socket->close();
+                            setReadyState(CLOSED);
+                            break;
+                        }
+                        else if (result == PollResultType_ReadyForWrite)
+                        {
+                            sendOnSocket();
+                        }
                     }
                 }
                 else if (pollResult == PollResultType_ReadyForRead)
@@ -238,9 +250,15 @@ namespace ix
                 }
                 else if (pollResult == PollResultType_CloseRequest)
                 {
-                    ;
+                    _socket->close();
                 }
 
+                // Avoid a race condition where we get stuck in select
+                // while closing.
+                if (_readyState == CLOSING)
+                {
+                    _socket->close();
+                }
             },
             _heartBeatPeriod);
     }
@@ -766,6 +784,7 @@ namespace ix
         _socket->close();
 
         _closeCode = 1000;
+        _closeReason = "Normal Closure";
         setReadyState(CLOSED);
     }
 

makefile

@@ -3,6 +3,8 @@
 #
 all: brew
 
+install: brew
+
 brew:
 	mkdir -p build && (cd build ; cmake .. ; make -j install)
 
@@ -36,7 +38,7 @@ test_server:
 test:
 	python test/run.py
 
-ws_test:
+ws_test: all
 	(cd ws ; sh test_ws.sh)
 
 # For the fork that is configured with appveyor

test/IXSocketTest.cpp

@@ -5,17 +5,10 @@
  */
 
 #include <iostream>
+#include <ixwebsocket/IXSocketFactory.h>
 #include <ixwebsocket/IXSocket.h>
 #include <ixwebsocket/IXCancellationRequest.h>
 
-#if defined(__APPLE__) or defined(__linux__)
-# ifdef __APPLE__
-#  include <ixwebsocket/IXSocketAppleSSL.h>
-# else
-#  include <ixwebsocket/IXSocketOpenSSL.h>
-# endif
-#endif
-
 #include "IXTest.h"
 #include "catch.hpp"
 #include <string.h>
@@ -40,16 +33,15 @@ namespace ix
         Logger() << "errMsg: " << errMsg;
         REQUIRE(success);
 
-        std::cout << "Sending request: " << request
-                  << "to " << host << ":" << port
-                  << std::endl;
+        Logger() << "Sending request: " << request
+                 << "to " << host << ":" << port;
         REQUIRE(socket->writeBytes(request, isCancellationRequested));
 
         auto lineResult = socket->readLine(isCancellationRequested);
         auto lineValid = lineResult.first;
         auto line = lineResult.second;
 
-        std::cout << "read error: " << strerror(Socket::getErrno()) << std::endl;
+        Logger() << "read error: " << strerror(Socket::getErrno());
 
         REQUIRE(lineValid);
 
@@ -63,7 +55,9 @@ TEST_CASE("socket", "[socket]")
 {
     SECTION("Connect to google HTTP server. Send GET request without header. Should return 200")
     {
-        std::shared_ptr<Socket> socket(new Socket);
+        std::string errMsg;
+        bool tls = false;
+        std::shared_ptr<Socket> socket = createSocket(tls, errMsg);
         std::string host("www.google.com");
         int port = 80;
 
@@ -82,11 +76,9 @@ TEST_CASE("socket", "[socket]")
 #if defined(__APPLE__) or defined(__linux__)
     SECTION("Connect to google HTTPS server. Send GET request without header. Should return 200")
     {
-# ifdef __APPLE__
-        std::shared_ptr<Socket> socket = std::make_shared<SocketAppleSSL>();
-# else
-        std::shared_ptr<Socket> socket = std::make_shared<SocketOpenSSL>();
-# endif
+        std::string errMsg;
+        bool tls = true;
+        std::shared_ptr<Socket> socket = createSocket(tls, errMsg);
         std::string host("www.google.com");
         int port = 443;
         std::string request("GET / HTTP/1.1\r\n\r\n");

test/IXWebSocketServerTest.cpp

@@ -8,6 +8,7 @@
 #include <ixwebsocket/IXSocket.h>
 #include <ixwebsocket/IXWebSocket.h>
 #include <ixwebsocket/IXWebSocketServer.h>
+#include <ixwebsocket/IXSocketFactory.h>
 
 #include "IXTest.h"
 
@@ -79,17 +80,18 @@ TEST_CASE("Websocket_server", "[websocket_server]")
         ix::WebSocketServer server(port);
         REQUIRE(startServer(server));
 
-        Socket socket;
-        std::string host("localhost");
         std::string errMsg;
+        bool tls = false;
+        std::shared_ptr<Socket> socket = createSocket(tls, errMsg);
+        std::string host("localhost");
         auto isCancellationRequested = []() -> bool
         {
             return false;
         };
-        bool success = socket.connect(host, port, errMsg, isCancellationRequested);
+        bool success = socket->connect(host, port, errMsg, isCancellationRequested);
         REQUIRE(success);
 
-        auto lineResult = socket.readLine(isCancellationRequested);
+        auto lineResult = socket->readLine(isCancellationRequested);
         auto lineValid = lineResult.first;
         auto line = lineResult.second;
 
@@ -111,20 +113,21 @@ TEST_CASE("Websocket_server", "[websocket_server]")
         ix::WebSocketServer server(port);
         REQUIRE(startServer(server));
 
-        Socket socket;
-        std::string host("localhost");
         std::string errMsg;
+        bool tls = false;
+        std::shared_ptr<Socket> socket = createSocket(tls, errMsg);
+        std::string host("localhost");
         auto isCancellationRequested = []() -> bool
         {
             return false;
         };
-        bool success = socket.connect(host, port, errMsg, isCancellationRequested);
+        bool success = socket->connect(host, port, errMsg, isCancellationRequested);
         REQUIRE(success);
 
         Logger() << "writeBytes";
-        socket.writeBytes("GET /\r\n", isCancellationRequested);
+        socket->writeBytes("GET /\r\n", isCancellationRequested);
 
-        auto lineResult = socket.readLine(isCancellationRequested);
+        auto lineResult = socket->readLine(isCancellationRequested);
         auto lineValid = lineResult.first;
         auto line = lineResult.second;
 
@@ -146,24 +149,25 @@ TEST_CASE("Websocket_server", "[websocket_server]")
         ix::WebSocketServer server(port);
         REQUIRE(startServer(server));
 
-        Socket socket;
-        std::string host("localhost");
         std::string errMsg;
+        bool tls = false;
+        std::shared_ptr<Socket> socket = createSocket(tls, errMsg);
+        std::string host("localhost");
         auto isCancellationRequested = []() -> bool
         {
             return false;
         };
-        bool success = socket.connect(host, port, errMsg, isCancellationRequested);
+        bool success = socket->connect(host, port, errMsg, isCancellationRequested);
         REQUIRE(success);
 
-        socket.writeBytes("GET / HTTP/1.1\r\n"
-                          "Upgrade: websocket\r\n"
-                          "Sec-WebSocket-Version: 13\r\n"
-                          "Sec-WebSocket-Key: foobar\r\n"
-                          "\r\n",
-                          isCancellationRequested);
+        socket->writeBytes("GET / HTTP/1.1\r\n"
+                           "Upgrade: websocket\r\n"
+                           "Sec-WebSocket-Version: 13\r\n"
+                           "Sec-WebSocket-Key: foobar\r\n"
+                           "\r\n",
+                           isCancellationRequested);
 
-        auto lineResult = socket.readLine(isCancellationRequested);
+        auto lineResult = socket->readLine(isCancellationRequested);
         auto lineValid = lineResult.first;
         auto line = lineResult.second;
 

test/run.py

@@ -2,6 +2,39 @@ import os
 import platform
 import shutil
 
+import subprocess
+import threading
+
+
+class Command(object):
+    """Run system commands with timeout
+    
+    From http://www.bo-yang.net/2016/12/01/python-run-command-with-timeout
+    Python3 might have a builtin way to do that.
+    """
+    def __init__(self, cmd):
+        self.cmd = cmd
+        self.process = None
+
+    def run_command(self, capture = False):
+        self.process = subprocess.Popen(self.cmd, shell=True)
+        self.process.communicate()
+
+    def run(self, timeout = 5 * 60):
+        '''5 minutes default timeout'''
+        thread = threading.Thread(target=self.run_command, args=())
+        thread.start()
+        thread.join(timeout)
+
+        if thread.is_alive():
+            print 'Command timeout, kill it: ' + self.cmd
+            self.process.terminate()
+            thread.join()
+            return False, 255
+        else:
+            return True, self.process.returncode
+
+
 osName = platform.system()
 print('os name = {}'.format(osName))
 
@@ -78,8 +111,9 @@ shutil.copy(os.path.join(
     'bin',
     'zlib.dll'), '.')
 
-lldb = "lldb --batch -o 'run' -k 'thread backtrace all' -k 'quit 1'"
+# lldb = "lldb --batch -o 'run' -k 'thread backtrace all' -k 'quit 1'"
 lldb = ""  # Disabled for now
 testCommand = '{} {} {}'.format(lldb, testBinary, os.getenv('TEST', ''))
-ret = os.system(testCommand)
+command = Command(testCommand)
+timedout, ret = command.run()
 assert ret == 0, 'Test command failed'

test/test_runner.cpp

@@ -11,10 +11,6 @@
 
 int main(int argc, char* argv[])
 {
-    ix::Socket::init(); // for Windows
-
     int result = Catch::Session().run(argc, argv);
-
-    ix::Socket::cleanup(); // for Windows
     return result;
 }

ws/.gitignore

@@ -1 +1,2 @@
 build
+node_modules

ws/package-lock.json

@@ -0,0 +1,19 @@
+{
+  "requires": true,
+  "lockfileVersion": 1,
+  "dependencies": {
+    "async-limiter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
+    },
+    "ws": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.0.tgz",
+      "integrity": "sha512-deZYUNlt2O4buFCa3t5bKLf8A7FPP/TVjwOeVNpw818Ma5nk4MLXls2eoEGS39o8119QIYxTrTDoPQ5B/gTD6w==",
+      "requires": {
+        "async-limiter": "1.0.0"
+      }
+    }
+  }
+}

ws/test_ws.sh

@@ -1,11 +1,21 @@
 #!/bin/sh
 
+# Handle Ctrl-C by killing all sub-processing AND exiting
+trap cleanup INT
+
+function cleanup {
+    kill `cat /tmp/ws_test/pidfile.transfer`
+    kill `cat /tmp/ws_test/pidfile.receive`
+    kill `cat /tmp/ws_test/pidfile.send`
+    exit 1
+}
+
 rm -rf /tmp/ws_test
 mkdir -p /tmp/ws_test
 
 # Start a transport server
 cd /tmp/ws_test
-ws transfer --port 8090 --pidfile /tmp/ws_test/pidfile &
+ws transfer --port 8090 --pidfile /tmp/ws_test/pidfile.transfer &
 
 # Wait until the transfer server is up 
 while true
@@ -14,39 +24,41 @@ do
         echo "Transfer server up and running"
         break
     }
-    echo "sleep ..."
+    echo "sleep ... wait for transfer server"
     sleep 0.1
 done
 
 # Start a receiver
 mkdir -p /tmp/ws_test/receive
 cd /tmp/ws_test/receive
-ws receive ws://127.0.0.1:8090 &
+ws receive --delay 10 ws://127.0.0.1:8090 --pidfile /tmp/ws_test/pidfile.receive &
 
 mkdir /tmp/ws_test/send
 cd /tmp/ws_test/send
-# mkfile 10m 10M_file
-dd if=/dev/urandom of=10M_file count=10000 bs=1024
+dd if=/dev/urandom of=20M_file count=20000 bs=1024
 
 # Start the sender job
-ws send ws://127.0.0.1:8090 10M_file
+ws send --pidfile /tmp/ws_test/pidfile.send ws://127.0.0.1:8090 20M_file
 
 # Wait until the file has been written to disk
 while true
 do
-    if test -f /tmp/ws_test/receive/10M_file ; then
+    if test -f /tmp/ws_test/receive/20M_file ; then
         echo "Received file does exists, exiting loop"
         break
     fi
-    echo "sleep ..."
+    echo "sleep ... wait for output file"
     sleep 0.1
 done
 
-cksum /tmp/ws_test/send/10M_file
-cksum /tmp/ws_test/receive/10M_file
+cksum /tmp/ws_test/send/20M_file
+cksum /tmp/ws_test/receive/20M_file
 
 # Give some time to ws receive to terminate
 sleep 2
 
 # Cleanup
-kill `cat /tmp/ws_test/pidfile`
+kill `cat /tmp/ws_test/pidfile.transfer`
+kill `cat /tmp/ws_test/pidfile.receive`
+kill `cat /tmp/ws_test/pidfile.send`
+

ws/ws.cpp

@@ -44,13 +44,19 @@ int main(int argc, char** argv)
     int connectTimeOut = 60;
     int transferTimeout = 1800;
     int maxRedirects = 5;
+    int delayMs = -1;
 
     CLI::App* sendApp = app.add_subcommand("send", "Send a file");
     sendApp->add_option("url", url, "Connection url")->required();
     sendApp->add_option("path", path, "Path to the file to send")
         ->required()->check(CLI::ExistingPath);
+    sendApp->add_option("--pidfile", pidfile, "Pid file");
+
     CLI::App* receiveApp = app.add_subcommand("receive", "Receive a file");
     receiveApp->add_option("url", url, "Connection url")->required();
+    receiveApp->add_option("--delay", delayMs, "Delay (ms) to wait after receiving a fragment"
+                                               " to artificially slow down the receiver");
+    receiveApp->add_option("--pidfile", pidfile, "Pid file");
 
     CLI::App* transferApp = app.add_subcommand("transfer", "Broadcasting server");
     transferApp->add_option("--port", port, "Connection url");
@@ -92,22 +98,19 @@ int main(int argc, char** argv)
 
     CLI11_PARSE(app, argc, argv);
 
-    ix::Socket::init();
-
     // pid file handling
+    if (!pidfile.empty())
+    {
+        unlink(pidfile.c_str());
+
+        std::ofstream f;
+        f.open(pidfile);
+        f << getpid();
+        f.close();
+    }
 
     if (app.got_subcommand("transfer"))
     {
-        if (!pidfile.empty())
-        {
-            unlink(pidfile.c_str());
-
-            std::ofstream f;
-            f.open(pidfile);
-            f << getpid();
-            f.close();
-        }
-
         return ix::ws_transfer_main(port, hostname);
     }
     else if (app.got_subcommand("send"))
@@ -117,7 +120,7 @@ int main(int argc, char** argv)
     else if (app.got_subcommand("receive"))
     {
         bool enablePerMessageDeflate = false;
-        return ix::ws_receive_main(url, enablePerMessageDeflate);
+        return ix::ws_receive_main(url, enablePerMessageDeflate, delayMs);
     }
     else if (app.got_subcommand("connect"))
     {

ws/ws.h

@@ -34,7 +34,8 @@ namespace ix
     int ws_connect_main(const std::string& url);
 
     int ws_receive_main(const std::string& url,
-                        bool enablePerMessageDeflate);
+                        bool enablePerMessageDeflate,
+                        int delayMs);
 
     int ws_send_main(const std::string& url,
                      const std::string& path);

ws/ws_connect.cpp

@@ -153,7 +153,6 @@ namespace ix
 
     int ws_connect_main(const std::string& url)
     {
-        Socket::init();
         interactiveMain(url);
         return 0;
     }

ws/ws_receive.cpp

@@ -26,7 +26,8 @@ namespace ix
     {
         public:
             WebSocketReceiver(const std::string& _url,
-                              bool enablePerMessageDeflate);
+                              bool enablePerMessageDeflate,
+                              int delayMs);
 
             void subscribe(const std::string& channel);
             void start();
@@ -41,6 +42,8 @@ namespace ix
             std::string _id;
             ix::WebSocket _webSocket;
             bool _enablePerMessageDeflate;
+            int _delayMs;
+            int _receivedFragmentCounter;
 
             std::mutex _conditionVariableMutex;
             std::condition_variable _condition;
@@ -51,9 +54,12 @@ namespace ix
     };
 
     WebSocketReceiver::WebSocketReceiver(const std::string& url,
-                                         bool enablePerMessageDeflate) :
+                                         bool enablePerMessageDeflate,
+                                         int delayMs) :
         _url(url),
-        _enablePerMessageDeflate(enablePerMessageDeflate)
+        _enablePerMessageDeflate(enablePerMessageDeflate),
+        _delayMs(delayMs),
+        _receivedFragmentCounter(0)
     {
         ;
     }
@@ -213,11 +219,19 @@ namespace ix
                 }
                 else if (messageType == ix::WebSocket_MessageType_Fragment)
                 {
-                    ss << "ws_receive: received fragment";
+                    ss << "ws_receive: received fragment " << _receivedFragmentCounter++;
                     log(ss.str());
+
+                    if (_delayMs > 0)
+                    {
+                        // Introduce an arbitrary delay, to simulate a slow connection
+                        std::chrono::duration<double, std::milli> duration(_delayMs);
+                        std::this_thread::sleep_for(duration);
+                    }
                 }
                 else if (messageType == ix::WebSocket_MessageType_Error)
                 {
+                    ss << "ws_receive ";
                     ss << "Connection error: " << error.reason      << std::endl;
                     ss << "#retries: "         << error.retries     << std::endl;
                     ss << "Wait time(ms): "    << error.wait_time   << std::endl;
@@ -235,9 +249,10 @@ namespace ix
     }
 
     void wsReceive(const std::string& url,
-                   bool enablePerMessageDeflate)
+                   bool enablePerMessageDeflate,
+                   int delayMs)
     {
-        WebSocketReceiver webSocketReceiver(url, enablePerMessageDeflate);
+        WebSocketReceiver webSocketReceiver(url, enablePerMessageDeflate, delayMs);
         webSocketReceiver.start();
 
         webSocketReceiver.waitForConnection();
@@ -252,10 +267,10 @@ namespace ix
     }
 
     int ws_receive_main(const std::string& url,
-                        bool enablePerMessageDeflate)
+                        bool enablePerMessageDeflate,
+                        int delayMs)
     {
-        Socket::init();
-        wsReceive(url, enablePerMessageDeflate);
+        wsReceive(url, enablePerMessageDeflate, delayMs);
         return 0;
     }
 }

ws/ws_send.cpp

@@ -162,6 +162,7 @@ namespace ix
                 }
                 else if (messageType == ix::WebSocket_MessageType_Error)
                 {
+                    ss << "ws_send ";
                     ss << "Connection error: " << error.reason      << std::endl;
                     ss << "#retries: "         << error.retries     << std::endl;
                     ss << "Wait time(ms): "    << error.wait_time   << std::endl;
@@ -246,7 +247,7 @@ namespace ix
         _webSocket.send(msg.dump(),
                         [throttle](int current, int total) -> bool
         {
-            std::cout << "Step " << current << " out of " << total << std::endl;
+            std::cout << "ws_send: Step " << current << " out of " << total << std::endl;
 
             if (throttle)
             {
@@ -260,7 +261,8 @@ namespace ix
         do
         {
             size_t bufferedAmount = _webSocket.bufferedAmount();
-            std::cout << bufferedAmount << " bytes left to be sent" << std::endl;
+            std::cout << "ws_send: " << bufferedAmount
+                      << " bytes left to be sent" << std::endl;
 
             std::chrono::duration<double, std::milli> duration(10);
             std::this_thread::sleep_for(duration);
@@ -298,7 +300,6 @@ namespace ix
         bool throttle = false;
         bool enablePerMessageDeflate = false;
 
-        Socket::init();
         wsSend(url, path, enablePerMessageDeflate, throttle);
         return 0;
     }

ws/ws_transfer.cpp

@@ -54,7 +54,8 @@ namespace ix
                         }
                         else if (messageType == ix::WebSocket_MessageType_Fragment)
                         {
-                            std::cerr << "Received message fragment" << std::endl;
+                            std::cerr << "Received message fragment "
+                                      << std::endl;
                         }
                         else if (messageType == ix::WebSocket_MessageType_Message)
                         {
@@ -66,7 +67,7 @@ namespace ix
                                     client->send(str,
                                                  [](int current, int total) -> bool
                                     {
-                                        std::cerr << "Step " << current
+                                        std::cerr << "ws_transfer: Step " << current
                                                   << " out of " << total << std::endl;
                                         return true;
                                     });
@@ -74,7 +75,8 @@ namespace ix
                                     do
                                     {
                                         size_t bufferedAmount = client->bufferedAmount();
-                                        std::cerr << bufferedAmount << " bytes left to be sent" << std::endl;
+                                        std::cerr << "ws_transfer: " << bufferedAmount
+                                                  << " bytes left to be sent" << std::endl;
 
                                         std::chrono::duration<double, std::milli> duration(10);
                                         std::this_thread::sleep_for(duration);