diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/compat.h | 9 | ||||
| -rw-r--r-- | src/net.cpp | 49 | ||||
| -rw-r--r-- | src/netbase.cpp | 21 |
3 files changed, 77 insertions, 2 deletions
diff --git a/src/compat.h b/src/compat.h index 049579c365..7b164d5630 100644 --- a/src/compat.h +++ b/src/compat.h @@ -92,8 +92,15 @@ typedef void* sockopt_arg_type; typedef char* sockopt_arg_type; #endif +// Note these both should work with the current usage of poll, but best to be safe +// WIN32 poll is broken https://daniel.haxx.se/blog/2012/10/10/wsapoll-is-broken/ +// __APPLE__ poll is broke https://github.com/bitcoin/bitcoin/pull/14336#issuecomment-437384408 +#if defined(__linux__) +#define USE_POLL +#endif + bool static inline IsSelectableSocket(const SOCKET& s) { -#ifdef WIN32 +#if defined(USE_POLL) || defined(WIN32) return true; #else return (s < FD_SETSIZE); diff --git a/src/net.cpp b/src/net.cpp index 2664828034..7b8b6e5ea2 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -26,6 +26,10 @@ #include <fcntl.h> #endif +#ifdef USE_POLL +#include <poll.h> +#endif + #ifdef USE_UPNP #include <miniupnpc/miniupnpc.h> #include <miniupnpc/miniwget.h> @@ -33,6 +37,7 @@ #include <miniupnpc/upnperrors.h> #endif +#include <unordered_map> #include <math.h> @@ -1307,6 +1312,49 @@ bool CConnman::GenerateSelectSet(std::set<SOCKET> &recv_set, std::set<SOCKET> &s return !recv_set.empty() || !send_set.empty() || !error_set.empty(); } +#ifdef USE_POLL +void CConnman::SocketEvents(std::set<SOCKET> &recv_set, std::set<SOCKET> &send_set, std::set<SOCKET> &error_set) +{ + std::set<SOCKET> recv_select_set, send_select_set, error_select_set; + if (!GenerateSelectSet(recv_select_set, send_select_set, error_select_set)) { + interruptNet.sleep_for(std::chrono::milliseconds(SELECT_TIMEOUT_MILLISECONDS)); + return; + } + + std::unordered_map<SOCKET, struct pollfd> pollfds; + for (SOCKET socket_id : recv_select_set) { + pollfds[socket_id].fd = socket_id; + pollfds[socket_id].events |= POLLIN; + } + + for (SOCKET socket_id : send_select_set) { + pollfds[socket_id].fd = socket_id; + pollfds[socket_id].events |= POLLOUT; + } + + for (SOCKET socket_id : error_select_set) { + pollfds[socket_id].fd = socket_id; + // These flags are ignored, but we set them for clarity + pollfds[socket_id].events |= POLLERR|POLLHUP; + } + + std::vector<struct pollfd> vpollfds; + vpollfds.reserve(pollfds.size()); + for (auto it : pollfds) { + vpollfds.push_back(std::move(it.second)); + } + + if (poll(vpollfds.data(), vpollfds.size(), SELECT_TIMEOUT_MILLISECONDS) < 0) return; + + if (interruptNet) return; + + for (struct pollfd pollfd_entry : vpollfds) { + if (pollfd_entry.revents & POLLIN) recv_set.insert(pollfd_entry.fd); + if (pollfd_entry.revents & POLLOUT) send_set.insert(pollfd_entry.fd); + if (pollfd_entry.revents & (POLLERR|POLLHUP)) error_set.insert(pollfd_entry.fd); + } +} +#else void CConnman::SocketEvents(std::set<SOCKET> &recv_set, std::set<SOCKET> &send_set, std::set<SOCKET> &error_set) { std::set<SOCKET> recv_select_set, send_select_set, error_select_set; @@ -1380,6 +1428,7 @@ void CConnman::SocketEvents(std::set<SOCKET> &recv_set, std::set<SOCKET> &send_s } } } +#endif void CConnman::SocketHandler() { diff --git a/src/netbase.cpp b/src/netbase.cpp index 1c043fc981..355e21d4e6 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -21,6 +21,10 @@ #include <codecvt> #endif +#ifdef USE_POLL +#include <poll.h> +#endif + #if !defined(MSG_NOSIGNAL) #define MSG_NOSIGNAL 0 #endif @@ -264,11 +268,19 @@ static IntrRecvError InterruptibleRecv(uint8_t* data, size_t len, int timeout, c if (!IsSelectableSocket(hSocket)) { return IntrRecvError::NetworkError; } - struct timeval tval = MillisToTimeval(std::min(endTime - curTime, maxWait)); + int timeout_ms = std::min(endTime - curTime, maxWait); +#ifdef USE_POLL + struct pollfd pollfd = {}; + pollfd.fd = hSocket; + pollfd.events = POLLIN | POLLOUT; + int nRet = poll(&pollfd, 1, timeout_ms); +#else + struct timeval tval = MillisToTimeval(timeout_ms); fd_set fdset; FD_ZERO(&fdset); FD_SET(hSocket, &fdset); int nRet = select(hSocket + 1, &fdset, nullptr, nullptr, &tval); +#endif if (nRet == SOCKET_ERROR) { return IntrRecvError::NetworkError; } @@ -499,11 +511,18 @@ bool ConnectSocketDirectly(const CService &addrConnect, const SOCKET& hSocket, i // WSAEINVAL is here because some legacy version of winsock uses it if (nErr == WSAEINPROGRESS || nErr == WSAEWOULDBLOCK || nErr == WSAEINVAL) { +#ifdef USE_POLL + struct pollfd pollfd = {}; + pollfd.fd = hSocket; + pollfd.events = POLLIN | POLLOUT; + int nRet = poll(&pollfd, 1, nTimeout); +#else struct timeval timeout = MillisToTimeval(nTimeout); fd_set fdset; FD_ZERO(&fdset); FD_SET(hSocket, &fdset); int nRet = select(hSocket + 1, nullptr, &fdset, nullptr, &timeout); +#endif if (nRet == 0) { LogPrint(BCLog::NET, "connection to %s timeout\n", addrConnect.ToString()); |