ws has a --version option

DOCKER_VERSION

@@ -1 +1 @@
-6.3.2
+6.3.3

docs/CHANGELOG.md

@@ -1,6 +1,10 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [6.3.3] - 2019-09-30
+
+- ws has a --version option
+
 ## [6.3.2] - 2019-09-29
 
 - (http + websocket clients) can specify cacert and some other tls options (not implemented on all backend). This makes it so that server certs can finally be validated on windows.

ixwebsocket/IXWebSocketVersion.h

@@ -6,4 +6,4 @@
 
 #pragma once
 
-#define IX_WEBSOCKET_VERSION "6.3.2"
+#define IX_WEBSOCKET_VERSION "6.3.3"

ws/ws.cpp

@@ -15,6 +15,7 @@
 #include <ixcore/utils/IXCoreLogger.h>
 #include <ixwebsocket/IXNetSystem.h>
 #include <ixwebsocket/IXSocket.h>
+#include <ixwebsocket/IXUserAgent.h>
 #include <spdlog/spdlog.h>
 #include <sstream>
 #include <string>
@@ -39,7 +40,6 @@ int main(int argc, char** argv)
     }
 
     CLI::App app {"ws is a websocket tool"};
-    app.require_subcommand();
 
     std::string url("ws://127.0.0.1:8008");
     std::string path;
@@ -79,6 +79,7 @@ int main(int argc, char** argv)
     bool greetings = false;
     bool binaryMode = false;
     bool redirect = false;
+    bool version = false;
     int port = 8008;
     int redisPort = 6379;
     int statsdPort = 8125;
@@ -103,6 +104,8 @@ int main(int argc, char** argv)
                         "A (comma/space/colon) separated list of ciphers to use for TLS");
     };
 
+    app.add_flag("--version", version, "Connection url");
+
     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")
@@ -402,6 +405,14 @@ int main(int argc, char** argv)
     {
         ret = ix::ws_redis_server_main(port, hostname);
     }
+    else if (version)
+    {
+        std::cout << "ws " << ix::userAgent() << std::endl;
+    }
+    else
+    {
+        std::cerr << "A subcommand or --version is required" << std::endl;
+    }
 
     ix::uninitNetSystem();
     return ret;