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| author | Daniel Nicoletti <daniel.nicoletti@kdab.com> | 2021-06-30 17:18:02 -0300 |
|---|---|---|
| committer | Daniel Nicoletti <daniel.nicoletti@kdab.com> | 2021-07-27 16:47:31 -0300 |
| commit | 8f75ab231fafc136fef4b973f1241b9b2db30312 (patch) | |
| tree | c634d4ba891a6d13f06368f502eba81f7f61e2ae /src/network/socket/qlocalserver_win.cpp | |
| parent | e4fd86d53af3e7a949752f5558c137bb1c8c5fa6 (diff) | |
Allow to set Local Socket listen(2) backlog
Unix sockets do not suffer from SYN flood, thus the hardcoded value to
50 is size of the only queue to hold connections to be accepted,
resulting in dropped connections when the limit is reached.
On Windows the hardcoded value is 8, this patch changes the default to
50 matching UNIX.
[ChangeLog][QtNetwork][QLocalServer] Added setListenBacklogSize() to
be able to have control over the listen backlog feature.
Change-Id: Iaee6349a46b75b0bd05e40e7ade5948f1cf9f407
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/network/socket/qlocalserver_win.cpp')
| -rw-r--r-- | src/network/socket/qlocalserver_win.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/src/network/socket/qlocalserver_win.cpp b/src/network/socket/qlocalserver_win.cpp index a05722987c..c8b356cb29 100644 --- a/src/network/socket/qlocalserver_win.cpp +++ b/src/network/socket/qlocalserver_win.cpp @@ -53,9 +53,6 @@ // before it is read. Pipewriter is used for write buffering. #define BUFSIZE 0 -// ###: This should be a property. Should replace the insane 50 on unix as well. -#define SYSTEM_MAX_PENDING_SOCKETS 8 - QT_BEGIN_NAMESPACE bool QLocalServerPrivate::addListener() @@ -256,7 +253,7 @@ bool QLocalServerPrivate::listen(const QString &name) connectionEventNotifier = new QWinEventNotifier(eventHandle , q); q->connect(connectionEventNotifier, SIGNAL(activated(HANDLE)), q, SLOT(_q_onNewConnection())); - for (int i = 0; i < SYSTEM_MAX_PENDING_SOCKETS; ++i) + for (int i = 0; i < listenBacklog; ++i) if (!addListener()) return false; |