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Make running out of file descriptors non fatal.

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Fix a bug that kills the RPC door if it gets a prohibited connection
This commit is contained in:
JoelKatz
2012-12-21 07:38:51 -08:00
parent 7d7738a7fa
commit d34c0e6a45
5 changed files with 56 additions and 15 deletions
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23
src/cpp/ripple/PeerDoor.cpp
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@@ -9,6 +9,9 @@
#include "Application.h"
#include "Config.h"
#include "utils.h"
#include "Log.h"
SETUP_LOG();
using namespace std;
using namespace boost::asio::ip;
@@ -21,7 +24,7 @@ static DH* handleTmpDh(SSL* ssl, int is_export, int iKeyLength)
PeerDoor::PeerDoor(boost::asio::io_service& io_service) :
mAcceptor(io_service, tcp::endpoint(address().from_string(theConfig.PEER_IP), theConfig.PEER_PORT)),
mCtx(boost::asio::ssl::context::sslv23)
mCtx(boost::asio::ssl::context::sslv23), mDelayTimer(io_service)
{
mCtx.set_options(
boost::asio::ssl::context::default_workarounds
@@ -32,7 +35,7 @@ PeerDoor::PeerDoor(boost::asio::io_service& io_service) :
if (1 != SSL_CTX_set_cipher_list(mCtx.native_handle(), theConfig.PEER_SSL_CIPHER_LIST.c_str()))
std::runtime_error("Error setting cipher list (no valid ciphers).");
cerr << "Peer port: " << theConfig.PEER_IP << " " << theConfig.PEER_PORT << endl;
Log(lsINFO) << "Peer port: " << theConfig.PEER_IP << " " << theConfig.PEER_PORT;
startListening();
}
@@ -50,13 +53,25 @@ void PeerDoor::startListening()
void PeerDoor::handleConnect(Peer::pointer new_connection,
const boost::system::error_code& error)
{
bool delay = false;
if (!error)
{
new_connection->connected(error);
}
else cerr << "Error: " << error;
else
{
if (error == boost::system::errc::too_many_files_open)
delay = true;
cLog(lsERROR) << error;
}
startListening();
if (delay)
{
mDelayTimer.expires_from_now(boost::posix_time::milliseconds(500));
mDelayTimer.async_wait(boost::bind(&PeerDoor::startListening, this));
}
else
startListening();
}
void initSSLContext(boost::asio::ssl::context& context,