X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspsocket.cpp;h=fc8bc142f9df2dfeb7ef54f4294e9fdb9dc7b8a9;hb=9db7af579c46a9f0379fdf71fb773a0a76a94846;hp=062f6b644bc27fb04d8bc775cf00697692419d00;hpb=7c1509e0a79ede51146d38469e63c1437f2d4907;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspsocket.cpp b/src/inspsocket.cpp index 062f6b644..fc8bc142f 100644 --- a/src/inspsocket.cpp +++ b/src/inspsocket.cpp @@ -15,7 +15,13 @@ #include "socket.h" #include "inspstring.h" #include "socketengine.h" + +#ifndef DISABLE_WRITEV #include +#ifndef IOV_MAX +#define IOV_MAX 1024 +#endif +#endif BufferedSocket::BufferedSocket() { @@ -46,7 +52,7 @@ void BufferedSocket::DoConnect(const std::string &ipaddr, int aport, unsigned lo BufferedSocketError BufferedSocket::BeginConnect(const std::string &ipaddr, int aport, unsigned long maxtime, const std::string &connectbindip) { irc::sockets::sockaddrs addr, bind; - if (!irc::sockets::aptosa(ipaddr.c_str(), aport, &addr)) + if (!irc::sockets::aptosa(ipaddr, aport, &addr)) { ServerInstance->Logs->Log("SOCKET", DEBUG, "BUG: Hostname passed to BufferedSocket, rather than an IP address!"); return I_ERR_CONNECT; @@ -55,7 +61,7 @@ BufferedSocketError BufferedSocket::BeginConnect(const std::string &ipaddr, int bind.sa.sa_family = 0; if (!connectbindip.empty()) { - if (!irc::sockets::aptosa(connectbindip.c_str(), 0, &bind)) + if (!irc::sockets::aptosa(connectbindip, 0, &bind)) { return I_ERR_BIND; } @@ -139,9 +145,10 @@ void StreamSocket::Close() errno = save; } -void StreamSocket::cull() +CullResult StreamSocket::cull() { Close(); + return EventHandler::cull(); } bool StreamSocket::GetNextLine(std::string& line, char delim) @@ -222,52 +229,90 @@ void StreamSocket::DoWrite() return; } +#ifndef DISABLE_WRITEV if (IOHook) +#endif { int rv = -1; try { - if (sendq.size() > 1 && sendq[0].length() < 1024) - { - // Avoid multiple repeated SSL encryption invocations - // This adds a single copy of the queue, but avoids - // much more overhead in terms of system calls invoked - // by the IOHook. - // - // The length limit of 1024 is to prevent merging strings - // more than once when writes begin to block. - std::string tmp; - tmp.reserve(sendq_len); - for(unsigned int i=0; i < sendq.size(); i++) - tmp.append(sendq[i]); - sendq.clear(); - sendq.push_back(tmp); - } while (!sendq.empty()) { - std::string& front = sendq.front(); - int itemlen = front.length(); - rv = IOHook->OnStreamSocketWrite(this, front); - if (rv > 0) + if (sendq.size() > 1 && sendq[0].length() < 1024) { - // consumed the entire string, and is ready for more - sendq_len -= itemlen; - sendq.pop_front(); + // Avoid multiple repeated SSL encryption invocations + // This adds a single copy of the queue, but avoids + // much more overhead in terms of system calls invoked + // by the IOHook. + // + // The length limit of 1024 is to prevent merging strings + // more than once when writes begin to block. + std::string tmp; + tmp.reserve(sendq_len); + for(unsigned int i=0; i < sendq.size(); i++) + tmp.append(sendq[i]); + sendq.clear(); + sendq.push_back(tmp); } - else if (rv == 0) + std::string& front = sendq.front(); + int itemlen = front.length(); + if (IOHook) { - // socket has blocked. Stop trying to send data. - // IOHook has requested unblock notification from the socketengine + rv = IOHook->OnStreamSocketWrite(this, front); + if (rv > 0) + { + // consumed the entire string, and is ready for more + sendq_len -= itemlen; + sendq.pop_front(); + } + else if (rv == 0) + { + // socket has blocked. Stop trying to send data. + // IOHook has requested unblock notification from the socketengine - // Since it is possible that a partial write took place, adjust sendq_len - sendq_len = sendq_len - itemlen + front.length(); - return; + // Since it is possible that a partial write took place, adjust sendq_len + sendq_len = sendq_len - itemlen + front.length(); + return; + } + else + { + SetError("Write Error"); // will not overwrite a better error message + return; + } } +#ifdef DISABLE_WRITEV else { - SetError("Write Error"); // will not overwrite a better error message - return; + rv = ServerInstance->SE->Send(this, front.data(), itemlen, 0); + if (rv == 0) + { + SetError("Connection closed"); + return; + } + else if (rv < 0) + { + if (errno == EAGAIN || errno == EINTR) + ServerInstance->SE->ChangeEventMask(this, FD_WANT_FAST_WRITE | FD_WRITE_WILL_BLOCK); + else + SetError(strerror(errno)); + return; + } + else if (rv < itemlen) + { + ServerInstance->SE->ChangeEventMask(this, FD_WANT_FAST_WRITE | FD_WRITE_WILL_BLOCK); + front = front.substr(itemlen - rv); + sendq_len -= rv; + return; + } + else + { + sendq_len -= itemlen; + sendq.pop_front(); + if (sendq.empty()) + ServerInstance->SE->ChangeEventMask(this, FD_WANT_EDGE_WRITE); + } } +#endif } } catch (CoreException& modexcept) @@ -276,6 +321,7 @@ void StreamSocket::DoWrite() modexcept.GetSource(), modexcept.GetReason()); } } +#ifndef DISABLE_WRITEV else { // don't even try if we are known to be blocking @@ -315,6 +361,11 @@ void StreamSocket::DoWrite() else if (rv > 0) { // Partial write. Clean out strings from the sendq + if (rv < rv_max) + { + // it's going to block now + eventChange = FD_WANT_FAST_WRITE | FD_WRITE_WILL_BLOCK; + } sendq_len -= rv; while (rv > 0 && !sendq.empty()) { @@ -332,11 +383,6 @@ void StreamSocket::DoWrite() rv = 0; } } - if (rv < rv_max) - { - // it's going to block now - eventChange = FD_WANT_FAST_WRITE | FD_WRITE_WILL_BLOCK; - } } else if (rv == 0) { @@ -365,6 +411,7 @@ void StreamSocket::DoWrite() ServerInstance->SE->ChangeEventMask(this, eventChange); } } +#endif } void StreamSocket::WriteData(const std::string &data) @@ -440,6 +487,8 @@ BufferedSocket::~BufferedSocket() void StreamSocket::HandleEvent(EventType et, int errornum) { + if (!error.empty()) + return; BufferedSocketError errcode = I_ERR_OTHER; switch (et) {