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http: Disable libevent debug logging, if not explicitly enabled

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Add a option "-debug=libevent" to enable libevent debugging for troubleshooting.
Libevent logging is redirected to our own log.
This commit is contained in:
Wladimir J. van der Laan 2015-09-18 14:58:08 +02:00
parent 5ce43da03d
commit 8b2d6edaa9
2 changed files with 20 additions and 1 deletions
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19
src/httpserver.cpp
View File

@ -320,6 +320,15 @@ static void HTTPWorkQueueRun(WorkQueue<HTTPClosure>* queue)
queue->Run(); queue->Run();
} }
/** libevent event log callback */
static void libevent_log_cb(int severity, const char *msg)
{
if (severity >= EVENT_LOG_WARN) // Log warn messages and higher without debug category
LogPrintf("libevent: %s\n", msg);
else
LogPrint("libevent", "libevent: %s\n", msg);
}
bool InitHTTPServer() bool InitHTTPServer()
{ {
struct evhttp* http = 0; struct evhttp* http = 0;
@ -335,6 +344,16 @@ bool InitHTTPServer()
return false; return false;
} }
// Redirect libevent's logging to our own log
event_set_log_callback(&libevent_log_cb);
#if LIBEVENT_VERSION_NUMBER >= 0x02010100
// If -debug=libevent, set full libevent debugging.
// Otherwise, disable all libevent debugging.
if (LogAcceptCategory("libevent"))
event_enable_debug_logging(EVENT_DBG_ALL);
else
event_enable_debug_logging(EVENT_DBG_NONE);
#endif
#ifdef WIN32 #ifdef WIN32
evthread_use_windows_threads(); evthread_use_windows_threads();
#else #else

2
src/init.cpp
View File

@ -387,7 +387,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1)); strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", 1));
strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0)); strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0));
} }
string debugCategories = "addrman, alert, bench, coindb, db, lock, rand, rpc, selectcoins, mempool, mempoolrej, net, proxy, prune, http"; // Don't translate these and qt below string debugCategories = "addrman, alert, bench, coindb, db, lock, rand, rpc, selectcoins, mempool, mempoolrej, net, proxy, prune, http, libevent"; // Don't translate these and qt below
if (mode == HMM_BITCOIN_QT) if (mode == HMM_BITCOIN_QT)
debugCategories += ", qt"; debugCategories += ", qt";
strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " + strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +