mirror of
https://github.com/transmission/transmission
synced 2025-02-21 13:46:52 +00:00
fix: unsupported peer socket type 0 assertion failure (#2687)
* refactor: downgrade unsupported socket type from assertion to log warning Fixes #833.
This commit is contained in:
Charles Kerr
GitHub
parent
aec1b29e88
commit
46c7a7c47c
1 changed files with 84 additions and 111 deletions
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@ -314,13 +314,8 @@ static void event_read_cb(evutil_socket_t fd, short /*event*/, void* vio)
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}
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char errstr[512];
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dbgmsg(
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io,
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"event_read_cb got an error. res is %d, what is %hd, errno is %d (%s)",
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res,
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what,
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e,
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tr_net_strerror(errstr, sizeof(errstr), e));
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tr_net_strerror(errstr, sizeof(errstr), e);
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dbgmsg(io, "event_read_cb err: res:%d, what:%hd, errno:%d (%s)", res, what, e, errstr);
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if (io->gotError != nullptr)
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{
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@ -842,7 +837,7 @@ static void io_close_socket(tr_peerIo* io)
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#endif
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default:
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TR_ASSERT_MSG(false, "unsupported peer socket type %d", io->socket.type);
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dbgmsg(io, "unsupported peer socket type %d", io->socket.type);
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}
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io->socket = {};
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@ -1232,64 +1227,60 @@ void tr_peerIoDrain(tr_peerIo* io, struct evbuffer* inbuf, size_t byteCount)
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static int tr_peerIoTryRead(tr_peerIo* io, size_t howmuch)
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{
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auto res = int{};
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if ((howmuch = io->bandwidth->clamp(TR_DOWN, howmuch)) != 0)
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howmuch = io->bandwidth->clamp(TR_DOWN, howmuch);
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if (howmuch == 0)
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{
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switch (io->socket.type)
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return 0;
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}
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auto res = int{};
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switch (io->socket.type)
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{
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case TR_PEER_SOCKET_TYPE_UTP:
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/* UTP_RBDrained notifies libutp that your read buffer is emtpy.
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* It opens up the congestion window by sending an ACK (soonish)
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* if one was not going to be sent. */
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if (evbuffer_get_length(io->inbuf) == 0)
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{
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case TR_PEER_SOCKET_TYPE_UTP:
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/* UTP_RBDrained notifies libutp that your read buffer is emtpy.
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* It opens up the congestion window by sending an ACK (soonish)
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* if one was not going to be sent. */
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if (evbuffer_get_length(io->inbuf) == 0)
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UTP_RBDrained(io->socket.handle.utp);
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}
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break;
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case TR_PEER_SOCKET_TYPE_TCP:
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{
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EVUTIL_SET_SOCKET_ERROR(0);
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res = evbuffer_read(io->inbuf, io->socket.handle.tcp, (int)howmuch);
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int const e = EVUTIL_SOCKET_ERROR();
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char errstr[512];
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dbgmsg(io, "read %d from peer (%s)", res, res == -1 ? tr_net_strerror(errstr, sizeof(errstr), e) : "");
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if (evbuffer_get_length(io->inbuf) != 0)
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{
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UTP_RBDrained(io->socket.handle.utp);
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canReadWrapper(io);
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}
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if (res <= 0 && io->gotError != nullptr && e != EAGAIN && e != EINTR && e != EINPROGRESS)
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{
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short what = BEV_EVENT_READING | BEV_EVENT_ERROR;
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if (res == 0)
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{
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what |= BEV_EVENT_EOF;
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}
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tr_net_strerror(errstr, sizeof(errstr), e);
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dbgmsg(io, "tr_peerIoTryRead err: res:%d what:%hd, errno:%d (%s)", res, what, e, errstr);
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io->gotError(io, what, io->userData);
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}
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break;
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case TR_PEER_SOCKET_TYPE_TCP:
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{
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char err_buf[512];
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EVUTIL_SET_SOCKET_ERROR(0);
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res = evbuffer_read(io->inbuf, io->socket.handle.tcp, (int)howmuch);
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int const e = EVUTIL_SOCKET_ERROR();
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dbgmsg(io, "read %d from peer (%s)", res, res == -1 ? tr_net_strerror(err_buf, sizeof(err_buf), e) : "");
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if (evbuffer_get_length(io->inbuf) != 0)
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{
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canReadWrapper(io);
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}
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if (res <= 0 && io->gotError != nullptr && e != EAGAIN && e != EINTR && e != EINPROGRESS)
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{
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short what = BEV_EVENT_READING | BEV_EVENT_ERROR;
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if (res == 0)
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{
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what |= BEV_EVENT_EOF;
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}
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dbgmsg(
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io,
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"tr_peerIoTryRead got an error. res is %d, what is %hd, errno is %d (%s)",
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res,
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what,
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e,
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tr_net_strerror(err_buf, sizeof(err_buf), e));
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io->gotError(io, what, io->userData);
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}
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break;
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}
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default:
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TR_ASSERT_MSG(false, "unsupported peer socket type %d", io->socket.type);
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}
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default:
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dbgmsg(io, "unsupported peer socket type %d", io->socket.type);
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}
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return res;
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@ -1298,57 +1289,49 @@ static int tr_peerIoTryRead(tr_peerIo* io, size_t howmuch)
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static int tr_peerIoTryWrite(tr_peerIo* io, size_t howmuch)
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{
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auto const old_len = size_t{ evbuffer_get_length(io->outbuf) };
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auto n = int{};
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dbgmsg(io, "in tr_peerIoTryWrite %zu", howmuch);
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if (howmuch > old_len)
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howmuch = std::min(howmuch, old_len);
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howmuch = io->bandwidth->clamp(TR_UP, howmuch);
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if (howmuch == 0)
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{
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howmuch = old_len;
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return 0;
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}
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if ((howmuch = io->bandwidth->clamp(TR_UP, howmuch)) != 0)
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auto n = int{};
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switch (io->socket.type)
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{
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switch (io->socket.type)
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case TR_PEER_SOCKET_TYPE_UTP:
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UTP_Write(io->socket.handle.utp, howmuch);
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n = old_len - evbuffer_get_length(io->outbuf);
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break;
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case TR_PEER_SOCKET_TYPE_TCP:
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{
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case TR_PEER_SOCKET_TYPE_UTP:
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UTP_Write(io->socket.handle.utp, howmuch);
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n = old_len - evbuffer_get_length(io->outbuf);
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break;
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EVUTIL_SET_SOCKET_ERROR(0);
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n = tr_evbuffer_write(io, io->socket.handle.tcp, howmuch);
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int const e = EVUTIL_SOCKET_ERROR();
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case TR_PEER_SOCKET_TYPE_TCP:
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if (n > 0)
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{
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EVUTIL_SET_SOCKET_ERROR(0);
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n = tr_evbuffer_write(io, io->socket.handle.tcp, howmuch);
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int const e = EVUTIL_SOCKET_ERROR();
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if (n > 0)
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{
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didWriteWrapper(io, n);
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}
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if (n < 0 && io->gotError != nullptr && e != 0 && e != EPIPE && e != EAGAIN && e != EINTR && e != EINPROGRESS)
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{
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char errstr[512];
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short const what = BEV_EVENT_WRITING | BEV_EVENT_ERROR;
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dbgmsg(
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io,
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"tr_peerIoTryWrite got an error. res is %d, what is %hd, errno is %d (%s)",
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n,
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what,
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e,
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tr_net_strerror(errstr, sizeof(errstr), e));
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io->gotError(io, what, io->userData);
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}
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break;
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didWriteWrapper(io, n);
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}
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default:
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TR_ASSERT_MSG(false, "unsupported peer socket type %d", io->socket.type);
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if (n < 0 && io->gotError != nullptr && e != 0 && e != EPIPE && e != EAGAIN && e != EINTR && e != EINPROGRESS)
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{
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char errstr[512];
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short const what = BEV_EVENT_WRITING | BEV_EVENT_ERROR;
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tr_net_strerror(errstr, sizeof(errstr), e);
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dbgmsg(io, "tr_peerIoTryWrite err: res:%d, what:%hd, errno:%d (%s)", n, what, e, errstr);
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io->gotError(io, what, io->userData);
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}
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break;
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}
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default:
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dbgmsg(io, "unsupported peer socket type %d", io->socket.type);
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}
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return n;
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@ -1359,19 +1342,9 @@ int tr_peerIoFlush(tr_peerIo* io, tr_direction dir, size_t limit)
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TR_ASSERT(tr_isPeerIo(io));
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TR_ASSERT(tr_isDirection(dir));
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int bytesUsed = 0;
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if (dir == TR_DOWN)
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{
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bytesUsed = tr_peerIoTryRead(io, limit);
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}
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else
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{
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bytesUsed = tr_peerIoTryWrite(io, limit);
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}
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dbgmsg(io, "flushing peer-io, direction %d, limit %zu, notifyBandwidthConsumedBytes %d", (int)dir, limit, bytesUsed);
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return bytesUsed;
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int const bytes_used = dir == TR_DOWN ? tr_peerIoTryRead(io, limit) : tr_peerIoTryWrite(io, limit);
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dbgmsg(io, "flushing peer-io, direction:%d, limit:%zu, byte_used:%d", (int)dir, limit, bytes_used);
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return bytes_used;
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}
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int tr_peerIoFlushOutgoingProtocolMsgs(tr_peerIo* io)
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