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# BacktracesServer.h

    00001 /*
    00002  *  Phusion Passenger - http://www.modrails.com/
    00003  *  Copyright (c) 2010 Phusion
    00004  *
    00005  *  "Phusion Passenger" is a trademark of Hongli Lai & Ninh Bui.
    00006  *
    00007  *  Permission is hereby granted, free of charge, to any person obtaining a copy
    00008  *  of this software and associated documentation files (the "Software"), to deal
    00009  *  in the Software without restriction, including without limitation the rights
    00010  *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00011  *  copies of the Software, and to permit persons to whom the Software is
    00012  *  furnished to do so, subject to the following conditions:
    00013  *
    00014  *  The above copyright notice and this permission notice shall be included in
    00015  *  all copies or substantial portions of the Software.
    00016  *
    00017  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00018  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00019  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00020  *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00021  *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00022  *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00023  *  THE SOFTWARE.
    00024  */
    00025 #ifndef _PASSENGER_BACKTRACES_SERVER_H_
    00026 #define _PASSENGER_BACKTRACES_SERVER_H_
    00027
    00028 #include <oxt/thread.hpp>
    00029 #include <oxt/backtrace.hpp>
    00030 #include "MessageServer.h"
    00031
    00032 namespace Passenger {
    00033
    00034 using namespace std;
    00035
    00036 /**
    00037  * A MessageServer handler for reporting the backtraces of all running oxt::threads.
    00038  */
    00039 class BacktracesServer: public MessageServer::Handler {
    00040 public:
    00041         virtual bool processMessage(MessageServer::CommonClientContext &commonContext,
    00042                                     MessageServer::ClientContextPtr &handlerSpecificContext,
    00043                                     const vector<string> &args)
    00044         {
    00045                 TRACE_POINT();
    00046                 if (args[0] == "backtraces") {
    00047                         UPDATE_TRACE_POINT();
    00048                         commonContext.requireRights(Account::INSPECT_BACKTRACES);
    00049                         commonContext.channel.writeScalar(oxt::thread::all_backtraces());
    00050                         return true;
    00051                 } else {
    00052                         return false;
    00053                 }
    00054         }
    00055 };
    00056
    00057 } // namespace Passenger
    00058
    00059 #endif /* _PASSENGER_BACKTRACES_SERVER_H_ */