C++11 compatible

CMakeLists.txt

@@ -8,7 +8,7 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake;${CMAKE_MODULE_PATH}")
 
 project(ixwebsocket C CXX)
 
-set (CMAKE_CXX_STANDARD 14)
+set (CMAKE_CXX_STANDARD 11)
 set (CXX_STANDARD_REQUIRED ON)
 set (CMAKE_CXX_EXTENSIONS OFF)
 
@@ -45,6 +45,7 @@ set( IXWEBSOCKET_SOURCES
     ixwebsocket/IXSocketFactory.cpp
     ixwebsocket/IXSocketServer.cpp
     ixwebsocket/IXSocketTLSOptions.cpp
+    ixwebsocket/IXStrCaseCompare.cpp
     ixwebsocket/IXUdpSocket.cpp
     ixwebsocket/IXUrlParser.cpp
     ixwebsocket/IXUserAgent.cpp
@@ -82,6 +83,7 @@ set( IXWEBSOCKET_HEADERS
     ixwebsocket/IXSocketFactory.h
     ixwebsocket/IXSocketServer.h
     ixwebsocket/IXSocketTLSOptions.h
+    ixwebsocket/IXStrCaseCompare.h
     ixwebsocket/IXUdpSocket.h
     ixwebsocket/IXUrlParser.h
     ixwebsocket/IXUtf8Validator.h

docker/Dockerfile.centos7

@@ -0,0 +1,26 @@
+FROM centos:7 as build
+
+RUN yum install -y gcc-c++ make zlib-devel openssl-devel redhat-rpm-config
+
+RUN groupadd app && useradd -g app app
+RUN chown -R app:app /opt
+RUN chown -R app:app /usr/local
+
+WORKDIR /tmp
+RUN curl -O https://cmake.org/files/v3.14/cmake-3.14.0-Linux-x86_64.tar.gz
+RUN tar zxvf cmake-3.14.0-Linux-x86_64.tar.gz
+RUN cp -rf cmake-3.14.0-Linux-x86_64/* /usr/
+
+RUN yum install -y git
+
+# There is a bug in CMake where we cannot build from the root top folder
+# So we build from /opt
+COPY --chown=app:app . /opt
+WORKDIR /opt
+
+USER app
+RUN [ "make", "ws_no_python" ]
+RUN [ "rm", "-rf", "build" ]
+
+ENTRYPOINT ["ws"]
+CMD ["--help"]

ixcobra/ixcobra/IXCobraConnection.cpp

@@ -14,6 +14,7 @@
 #include <ixcrypto/IXHMac.h>
 #include <ixwebsocket/IXSocketTLSOptions.h>
 #include <ixwebsocket/IXWebSocket.h>
+#include <ixwebsocket/IXUniquePtr.h>
 #include <sstream>
 #include <stdexcept>
 
@@ -98,7 +99,7 @@ namespace ix
         if (_eventCallback)
         {
             _eventCallback(
-                std::make_unique<CobraEvent>(eventType, errorMsg, headers, subscriptionId, msgId, connectionId));
+                ix::make_unique<CobraEvent>(eventType, errorMsg, headers, subscriptionId, msgId, connectionId));
         }
     }
 

ixsentry/CMakeLists.txt

@@ -2,6 +2,17 @@
 # Author: Benjamin Sergeant
 # Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
 #
+include(CheckCSourceCompiles)
+
+check_c_source_compiles("#include <regex>
+                        int main()
+                        { 
+                          const std::regex dsnRegex;
+                          std::smatch group;
+                          std::regex_match(std::string(), group, dsnRegex); 
+                          return 0;
+                        }"
+                        HAVE_STD_REGEX)
 
 set (IXSENTRY_SOURCES
     ixsentry/IXSentryClient.cpp
@@ -28,3 +39,7 @@ set(IXSENTRY_INCLUDE_DIRS
     ${JSONCPP_INCLUDE_DIRS})
 
 target_include_directories( ixsentry PUBLIC ${IXSENTRY_INCLUDE_DIRS} )
+
+if (HAVE_STD_REGEX)
+  target_compile_definitions( ixsentry PUBLIC HAVE_STD_REGEX=1 )
+endif()

ixsentry/ixsentry/IXSentryClient.cpp

@@ -20,9 +20,12 @@ namespace ix
     SentryClient::SentryClient(const std::string& dsn)
         : _dsn(dsn)
         , _validDsn(false)
+#ifdef HAVE_STD_REGEX
         , _luaFrameRegex("\t([^/]+):([0-9]+): in function ['<]([^/]+)['>]")
+#endif
         , _httpClient(std::make_shared<HttpClient>(true))
     {
+#ifdef HAVE_STD_REGEX
         const std::regex dsnRegex("(http[s]?)://([^:]+):([^@]+)@([^/]+)/([0-9]+)");
         std::smatch group;
 
@@ -38,6 +41,7 @@ namespace ix
             _publicKey = group.str(2);
             _secretKey = group.str(3);
         }
+#endif
     }
 
     void SentryClient::setTLSOptions(const SocketTLSOptions& tlsOptions)
@@ -77,6 +81,7 @@ namespace ix
     {
         Json::Value frames;
 
+#ifdef HAVE_STD_REGEX
         // Split by lines
         std::string line;
         std::stringstream tokenStream(stack);
@@ -107,6 +112,7 @@ namespace ix
         }
 
         std::reverse(frames.begin(), frames.end());
+#endif
 
         return frames;
     }

ixsentry/ixsentry/IXSentryClient.h

@@ -11,7 +11,9 @@
 #include <ixwebsocket/IXSocketTLSOptions.h>
 #include <json/json.h>
 #include <memory>
+#ifdef HAVE_STD_REGEX
 #include <regex>
+#endif
 
 namespace ix
 {
@@ -62,7 +64,9 @@ namespace ix
 
         Json::FastWriter _jsonWriter;
 
+#ifdef HAVE_STD_REGEX
         std::regex _luaFrameRegex;
+#endif
 
         std::shared_ptr<HttpClient> _httpClient;
     };

ixsnake/ixsnake/IXSnakeProtocol.cpp

@@ -13,6 +13,7 @@
 #include <ixcore/utils/IXCoreLogger.h>
 #include <ixcrypto/IXHMac.h>
 #include <ixwebsocket/IXWebSocket.h>
+#include <ixwebsocket/IXUniquePtr.h>
 #include <sstream>
 
 namespace snake
@@ -196,7 +197,7 @@ namespace snake
         {
             std::string filterStr = pdu["body"]["filter"];
         }
-        state->streamSql = std::make_unique<StreamSql>(filterStr);
+        state->streamSql = ix::make_unique<StreamSql>(filterStr);
         state->id = 0;
         state->onRedisSubscribeCallback = [&ws, state](const std::string& messageStr) {
             auto msg = nlohmann::json::parse(messageStr);

ixwebsocket/IXSocketOpenSSL.cpp

@@ -13,6 +13,7 @@
 #include "IXUniquePtr.h"
 #include <cassert>
 #include <errno.h>
+#include <vector>
 #ifdef _WIN32
 #include <Shlwapi.h>
 #else
@@ -86,7 +87,7 @@ namespace ix
 
     std::atomic<bool> SocketOpenSSL::_openSSLInitializationSuccessful(false);
     std::once_flag SocketOpenSSL::_openSSLInitFlag;
-    std::array<std::mutex, CRYPTO_num_locks()> openSSLMutexes;
+    std::vector<std::unique_ptr<std::mutex>> openSSLMutexes;
 
     SocketOpenSSL::SocketOpenSSL(const SocketTLSOptions& tlsOptions, int fd)
         : Socket(fd)
@@ -111,6 +112,11 @@ namespace ix
 
         if (CRYPTO_get_locking_callback() == nullptr)
         {
+            openSSLMutexes.clear();
+            for (int i = 0; i < CRYPTO_num_locks(); ++i)
+            {
+                openSSLMutexes.push_back(ix::make_unique<std::mutex>());
+            }
             CRYPTO_set_locking_callback(SocketOpenSSL::openSSLLockingCallback);
         }
 #endif
@@ -128,11 +134,11 @@ namespace ix
     {
         if (mode & CRYPTO_LOCK)
         {
-            openSSLMutexes[type].lock();
+            openSSLMutexes[type]->lock();
         }
         else
         {
-            openSSLMutexes[type].unlock();
+            openSSLMutexes[type]->unlock();
         }
     }
 

ixwebsocket/IXStrCaseCompare.cpp

@@ -0,0 +1,37 @@
+/*
+ *  IXStrCaseCompare.cpp
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2020 Machine Zone. All rights reserved.
+ */
+
+#include "IXStrCaseCompare.h"
+
+#include <algorithm>
+#include <locale>
+
+namespace ix
+{
+    bool CaseInsensitiveLess::NocaseCompare::operator()(const unsigned char& c1,
+                                                        const unsigned char& c2) const
+    {
+#ifdef _WIN32
+        return std::tolower(c1, std::locale()) < std::tolower(c2, std::locale());
+#else
+        return std::tolower(c1) < std::tolower(c2);
+#endif
+    }
+
+    bool CaseInsensitiveLess::cmp(const std::string& s1, const std::string& s2)
+    {
+        return std::lexicographical_compare(s1.begin(),
+                                            s1.end(), // source range
+                                            s2.begin(),
+                                            s2.end(),         // dest range
+                                            NocaseCompare()); // comparison
+    }
+
+    bool CaseInsensitiveLess::operator()(const std::string& s1, const std::string& s2) const
+    {
+        return CaseInsensitiveLess::cmp(s1, s2);
+    }
+} // namespace ix

ixwebsocket/IXStrCaseCompare.h

@@ -0,0 +1,25 @@
+/*
+ *  IXStrCaseCompare.h
+ *  Author: Benjamin Sergeant
+ *  Copyright (c) 2020 Machine Zone. All rights reserved.
+ */
+
+#pragma once
+
+#include <string>
+
+namespace ix
+{
+    struct CaseInsensitiveLess
+    {
+        // Case Insensitive compare_less binary function
+        struct NocaseCompare
+        {
+            bool operator()(const unsigned char& c1, const unsigned char& c2) const;
+        };
+
+        static bool cmp(const std::string& s1, const std::string& s2);
+
+        bool operator()(const std::string& s1, const std::string& s2) const;
+    };
+} // namespace ix

ixwebsocket/IXWebSocketHandshake.cpp

@@ -11,6 +11,7 @@
 #include "IXUrlParser.h"
 #include "IXUserAgent.h"
 #include "IXWebSocketHandshakeKeyGen.h"
+#include "IXStrCaseCompare.h"
 #include <algorithm>
 #include <iostream>
 #include <random>
@@ -35,9 +36,7 @@ namespace ix
 
     bool WebSocketHandshake::insensitiveStringCompare(const std::string& a, const std::string& b)
     {
-        return std::equal(a.begin(), a.end(), b.begin(), b.end(), [](char a, char b) {
+        return CaseInsensitiveLess::cmp(a, b);
-            return tolower(a) == tolower(b);
-        });
     }
 
     std::string WebSocketHandshake::genRandomString(const int len)

ixwebsocket/IXWebSocketHttpHeaders.cpp

@@ -12,25 +12,6 @@
 
 namespace ix
 {
-    bool CaseInsensitiveLess::NocaseCompare::operator()(const unsigned char& c1,
-                                                        const unsigned char& c2) const
-    {
-#ifdef _WIN32
-        return std::tolower(c1, std::locale()) < std::tolower(c2, std::locale());
-#else
-        return std::tolower(c1) < std::tolower(c2);
-#endif
-    }
-
-    bool CaseInsensitiveLess::operator()(const std::string& s1, const std::string& s2) const
-    {
-        return std::lexicographical_compare(s1.begin(),
-                                            s1.end(), // source range
-                                            s2.begin(),
-                                            s2.end(),         // dest range
-                                            NocaseCompare()); // comparison
-    }
-
     std::pair<bool, WebSocketHttpHeaders> parseHttpHeaders(
         std::unique_ptr<Socket>& socket, const CancellationRequest& isCancellationRequested)
     {

ixwebsocket/IXWebSocketHttpHeaders.h

@@ -7,6 +7,7 @@
 #pragma once
 
 #include "IXCancellationRequest.h"
+#include "IXStrCaseCompare.h"
 #include <map>
 #include <memory>
 #include <string>
@@ -15,17 +16,6 @@ namespace ix
 {
     class Socket;
 
-    struct CaseInsensitiveLess
-    {
-        // Case Insensitive compare_less binary function
-        struct NocaseCompare
-        {
-            bool operator()(const unsigned char& c1, const unsigned char& c2) const;
-        };
-
-        bool operator()(const std::string& s1, const std::string& s2) const;
-    };
-
     using WebSocketHttpHeaders = std::map<std::string, std::string, CaseInsensitiveLess>;
 
     std::pair<bool, WebSocketHttpHeaders> parseHttpHeaders(

makefile

@@ -52,7 +52,7 @@ ws_no_ssl:
 	mkdir -p build && (cd build ; cmake -DCMAKE_BUILD_TYPE=Debug -DUSE_WS=1 .. ; make -j 4)
 
 ws_no_python:
-	mkdir -p build && (cd build ; cmake -GNinja -DCMAKE_BUILD_TYPE=MinSizeRel -DUSE_TLS=1 -DUSE_WS=1 .. ; ninja install)
+	mkdir -p build && (cd build ; cmake -DCMAKE_BUILD_TYPE=MinSizeRel -DUSE_TLS=1 -DUSE_WS=1 .. ; make -j4 install)
 
 uninstall:
 	xargs rm -fv < build/install_manifest.txt

test/CMakeLists.txt

@@ -5,7 +5,7 @@
 cmake_minimum_required (VERSION 3.14)
 project (ixwebsocket_unittest)
 
-set (CMAKE_CXX_STANDARD 14)
+set (CMAKE_CXX_STANDARD 11)
 
 option(USE_TLS "Add TLS support" ON)
 

ws/CMakeLists.txt

@@ -14,7 +14,7 @@ endif()
 # set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread")
 # set(CMAKE_LD_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread")
 
-set (CMAKE_CXX_STANDARD 14)
+set (CMAKE_CXX_STANDARD 11)
 
 option(USE_TLS "Add TLS support" ON)