diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/core/iomgr/iocp_windows.c | 200 | ||||
-rw-r--r-- | src/core/iomgr/iocp_windows.h | 52 | ||||
-rw-r--r-- | src/core/iomgr/iomgr_posix.c | 6 | ||||
-rw-r--r-- | src/core/iomgr/iomgr_windows.c | 67 | ||||
-rw-r--r-- | src/core/iomgr/pollset_posix.c | 11 | ||||
-rw-r--r-- | src/core/iomgr/pollset_windows.c | 37 | ||||
-rw-r--r-- | src/core/iomgr/pollset_windows.h | 2 | ||||
-rw-r--r-- | src/core/iomgr/sockaddr_utils.c | 19 | ||||
-rw-r--r-- | src/core/iomgr/sockaddr_utils.h | 6 | ||||
-rw-r--r-- | src/core/iomgr/sockaddr_win32.h | 4 | ||||
-rw-r--r-- | src/core/iomgr/socket_windows.c | 77 | ||||
-rw-r--r-- | src/core/iomgr/socket_windows.h | 75 | ||||
-rw-r--r-- | src/core/iomgr/tcp_client_windows.c | 215 | ||||
-rw-r--r-- | src/core/iomgr/tcp_server_windows.c | 374 | ||||
-rw-r--r-- | src/core/iomgr/tcp_windows.c | 373 | ||||
-rw-r--r-- | src/core/iomgr/tcp_windows.h | 57 | ||||
-rw-r--r-- | src/core/support/log_win32.c | 40 |
17 files changed, 1600 insertions, 15 deletions
diff --git a/src/core/iomgr/iocp_windows.c b/src/core/iomgr/iocp_windows.c new file mode 100644 index 0000000000..729b11b78d --- /dev/null +++ b/src/core/iomgr/iocp_windows.c @@ -0,0 +1,200 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> + +#ifdef GPR_WINSOCK_SOCKET + +#include <winsock2.h> + +#include <grpc/support/log.h> +#include <grpc/support/log_win32.h> +#include <grpc/support/alloc.h> +#include <grpc/support/thd.h> + +#include "src/core/iomgr/alarm_internal.h" +#include "src/core/iomgr/iocp_windows.h" +#include "src/core/iomgr/iomgr_internal.h" +#include "src/core/iomgr/socket_windows.h" + +static ULONG g_iocp_kick_token; +static OVERLAPPED g_iocp_custom_overlap; + +static gpr_event g_shutdown_iocp; +static gpr_event g_iocp_done; + +static HANDLE g_iocp; + +static int do_iocp_work() { + BOOL success; + DWORD bytes = 0; + DWORD flags = 0; + ULONG_PTR completion_key; + LPOVERLAPPED overlapped; + gpr_timespec wait_time = gpr_inf_future; + grpc_winsocket *socket; + grpc_winsocket_callback_info *info; + void(*f)(void *, int) = NULL; + void *opaque = NULL; + success = GetQueuedCompletionStatus(g_iocp, &bytes, + &completion_key, &overlapped, + gpr_time_to_millis(wait_time)); + if (!success && !overlapped) { + /* The deadline got attained. */ + return 0; + } + GPR_ASSERT(completion_key && overlapped); + if (overlapped == &g_iocp_custom_overlap) { + if (completion_key == (ULONG_PTR) &g_iocp_kick_token) { + /* We were awoken from a kick. */ + gpr_log(GPR_DEBUG, "do_iocp_work - got a kick"); + return 1; + } + gpr_log(GPR_ERROR, "Unknown custom completion key."); + abort(); + } + + socket = (grpc_winsocket*) completion_key; + if (overlapped == &socket->write_info.overlapped) { + gpr_log(GPR_DEBUG, "do_iocp_work - got write packet"); + info = &socket->write_info; + } else if (overlapped == &socket->read_info.overlapped) { + gpr_log(GPR_DEBUG, "do_iocp_work - got read packet"); + info = &socket->read_info; + } else { + gpr_log(GPR_ERROR, "Unknown IOCP operation"); + abort(); + } + success = WSAGetOverlappedResult(socket->socket, &info->overlapped, &bytes, + FALSE, &flags); + gpr_log(GPR_DEBUG, "bytes: %u, flags: %u - op %s", bytes, flags, + success ? "succeeded" : "failed"); + info->bytes_transfered = bytes; + info->wsa_error = success ? 0 : WSAGetLastError(); + GPR_ASSERT(overlapped == &info->overlapped); + gpr_mu_lock(&socket->state_mu); + GPR_ASSERT(!info->has_pending_iocp); + if (info->cb) { + f = info->cb; + opaque = info->opaque; + info->cb = NULL; + } else { + info->has_pending_iocp = 1; + } + gpr_mu_unlock(&socket->state_mu); + if (f) f(opaque, 1); + + return 1; +} + +static void iocp_loop(void *p) { + while (!gpr_event_get(&g_shutdown_iocp)) { + grpc_maybe_call_delayed_callbacks(NULL, 1); + do_iocp_work(); + } + + gpr_event_set(&g_iocp_done, (void *)1); +} + +void grpc_iocp_init(void) { + gpr_thd_id id; + + g_iocp = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, + (ULONG_PTR)NULL, 0); + GPR_ASSERT(g_iocp); + + gpr_event_init(&g_iocp_done); + gpr_event_init(&g_shutdown_iocp); + gpr_thd_new(&id, iocp_loop, NULL, NULL); +} + +void grpc_iocp_shutdown(void) { + BOOL success; + gpr_event_set(&g_shutdown_iocp, (void *)1); + success = PostQueuedCompletionStatus(g_iocp, 0, + (ULONG_PTR) &g_iocp_kick_token, + &g_iocp_custom_overlap); + GPR_ASSERT(success); + gpr_event_wait(&g_iocp_done, gpr_inf_future); + success = CloseHandle(g_iocp); + GPR_ASSERT(success); +} + +void grpc_iocp_add_socket(grpc_winsocket *socket) { + HANDLE ret; + if (socket->added_to_iocp) return; + ret = CreateIoCompletionPort((HANDLE)socket->socket, + g_iocp, (gpr_uintptr) socket, 0); + if (!ret) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "Unable to add socket to iocp: %s", utf8_message); + gpr_free(utf8_message); + __debugbreak(); + abort(); + } + socket->added_to_iocp = 1; + GPR_ASSERT(ret == g_iocp); +} + +static void socket_notify_on_iocp(grpc_winsocket *socket, + void(*cb)(void *, int), void *opaque, + grpc_winsocket_callback_info *info) { + int run_now = 0; + GPR_ASSERT(!info->cb); + gpr_mu_lock(&socket->state_mu); + if (info->has_pending_iocp) { + run_now = 1; + info->has_pending_iocp = 0; + gpr_log(GPR_DEBUG, "socket_notify_on_iocp - runs now"); + } else { + info->cb = cb; + info->opaque = opaque; + gpr_log(GPR_DEBUG, "socket_notify_on_iocp - queued"); + } + gpr_mu_unlock(&socket->state_mu); + if (run_now) cb(opaque, 1); +} + +void grpc_socket_notify_on_write(grpc_winsocket *socket, + void(*cb)(void *, int), void *opaque) { + gpr_log(GPR_DEBUG, "grpc_socket_notify_on_write"); + socket_notify_on_iocp(socket, cb, opaque, &socket->write_info); +} + +void grpc_socket_notify_on_read(grpc_winsocket *socket, + void(*cb)(void *, int), void *opaque) { + gpr_log(GPR_DEBUG, "grpc_socket_notify_on_read"); + socket_notify_on_iocp(socket, cb, opaque, &socket->read_info); +} + +#endif /* GPR_WINSOCK_SOCKET */ diff --git a/src/core/iomgr/iocp_windows.h b/src/core/iomgr/iocp_windows.h new file mode 100644 index 0000000000..bf5b90978e --- /dev/null +++ b/src/core/iomgr/iocp_windows.h @@ -0,0 +1,52 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef __GRPC_INTERNAL_IOMGR_IOCP_WINDOWS_H_ +#define __GRPC_INTERNAL_IOMGR_IOCP_WINDOWS_H_ + +#include <windows.h> +#include <grpc/support/sync.h> + +#include "src/core/iomgr/socket_windows.h" + +void grpc_iocp_init(void); +void grpc_iocp_shutdown(void); +void grpc_iocp_add_socket(grpc_winsocket *); + +void grpc_socket_notify_on_write(grpc_winsocket *, void(*cb)(void *, int success), + void *opaque); + +void grpc_socket_notify_on_read(grpc_winsocket *, void(*cb)(void *, int success), + void *opaque); + +#endif /* __GRPC_INTERNAL_IOMGR_IOCP_WINDOWS_H_ */ diff --git a/src/core/iomgr/iomgr_posix.c b/src/core/iomgr/iomgr_posix.c index 9297f08e99..bbf8cfc419 100644 --- a/src/core/iomgr/iomgr_posix.c +++ b/src/core/iomgr/iomgr_posix.c @@ -31,6 +31,10 @@ * */ +#include <grpc/support/port_platform.h> + +#ifdef GPR_POSIX_SOCKET + #include "src/core/iomgr/iomgr_posix.h" #include "src/core/iomgr/fd_posix.h" @@ -43,3 +47,5 @@ void grpc_iomgr_platform_shutdown(void) { grpc_pollset_global_shutdown(); grpc_fd_global_shutdown(); } + +#endif /* GRPC_POSIX_SOCKET */ diff --git a/src/core/iomgr/iomgr_windows.c b/src/core/iomgr/iomgr_windows.c new file mode 100644 index 0000000000..a3a255eaed --- /dev/null +++ b/src/core/iomgr/iomgr_windows.c @@ -0,0 +1,67 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> + +#ifdef GPR_WINSOCK_SOCKET + +#include "src/core/iomgr/sockaddr_win32.h" + +#include <grpc/support/log.h> + +#include "src/core/iomgr/socket_windows.h" +#include "src/core/iomgr/iocp_windows.h" +#include "src/core/iomgr/iomgr.h" + +static void winsock_init(void) { + WSADATA wsaData; + int status = WSAStartup(MAKEWORD(2, 0), &wsaData); + GPR_ASSERT(status == 0); +} + +static void winsock_shutdown(void) { + int status = WSACleanup(); + GPR_ASSERT(status == 0); +} + +void grpc_iomgr_platform_init(void) { + winsock_init(); + grpc_iocp_init(); +} + +void grpc_iomgr_platform_shutdown(void) { + grpc_iocp_shutdown(); + winsock_shutdown(); +} + +#endif /* GRPC_WINSOCK_SOCKET */ diff --git a/src/core/iomgr/pollset_posix.c b/src/core/iomgr/pollset_posix.c index ceedfbd51f..53c9806fb9 100644 --- a/src/core/iomgr/pollset_posix.c +++ b/src/core/iomgr/pollset_posix.c @@ -206,8 +206,15 @@ static void unary_poll_pollset_add_fd(grpc_pollset *pollset, grpc_fd *fd) { if (fd == pollset->data.ptr) return; fds[0] = pollset->data.ptr; fds[1] = fd; - grpc_platform_become_multipoller(pollset, fds, GPR_ARRAY_SIZE(fds)); - grpc_fd_unref(fds[0]); + if (!grpc_fd_is_orphaned(fds[0])) { + grpc_platform_become_multipoller(pollset, fds, GPR_ARRAY_SIZE(fds)); + grpc_fd_unref(fds[0]); + } else { + /* old fd is orphaned and we haven't cleaned it up until now, so remain a + * unary poller */ + grpc_fd_unref(fds[0]); + pollset->data.ptr = fd; + } } static void unary_poll_pollset_del_fd(grpc_pollset *pollset, grpc_fd *fd) { diff --git a/src/core/iomgr/pollset_windows.c b/src/core/iomgr/pollset_windows.c index 3fb39918b3..b81d23e57c 100644 --- a/src/core/iomgr/pollset_windows.c +++ b/src/core/iomgr/pollset_windows.c @@ -33,6 +33,39 @@ #include <grpc/support/port_platform.h> -#ifdef GPR_WIN32 +#ifdef GPR_WINSOCK_SOCKET -#endif /* GPR_WIN32 */ +#include <grpc/support/thd.h> + +#include "src/core/iomgr/alarm_internal.h" +#include "src/core/iomgr/iomgr_internal.h" +#include "src/core/iomgr/pollset_windows.h" + +void grpc_pollset_init(grpc_pollset *pollset) { + gpr_mu_init(&pollset->mu); + gpr_cv_init(&pollset->cv); +} + +void grpc_pollset_destroy(grpc_pollset *pollset) { + gpr_mu_destroy(&pollset->mu); + gpr_cv_destroy(&pollset->cv); +} + +int grpc_pollset_work(grpc_pollset *pollset, gpr_timespec deadline) { + gpr_timespec now; + now = gpr_now(); + if (gpr_time_cmp(now, deadline) > 0) { + return 0; + } + if (grpc_maybe_call_delayed_callbacks(NULL, 1)) { + return 1; + } + if (grpc_alarm_check(NULL, now, &deadline)) { + return 1; + } + return 0; +} + +void grpc_pollset_kick(grpc_pollset *p) { } + +#endif /* GPR_WINSOCK_SOCKET */ diff --git a/src/core/iomgr/pollset_windows.h b/src/core/iomgr/pollset_windows.h index 9214b04b17..1a5e31f627 100644 --- a/src/core/iomgr/pollset_windows.h +++ b/src/core/iomgr/pollset_windows.h @@ -34,9 +34,11 @@ #ifndef __GRPC_INTERNAL_IOMGR_POLLSET_WINDOWS_H_ #define __GRPC_INTERNAL_IOMGR_POLLSET_WINDOWS_H_ +#include <windows.h> #include <grpc/support/sync.h> #include "src/core/iomgr/pollset_kick.h" +#include "src/core/iomgr/socket_windows.h" /* forward declare only in this file to avoid leaking impl details via pollset.h; real users of grpc_fd should always include 'fd_posix.h' and not diff --git a/src/core/iomgr/sockaddr_utils.c b/src/core/iomgr/sockaddr_utils.c index 07bf7b3a35..8dcfca74c6 100644 --- a/src/core/iomgr/sockaddr_utils.c +++ b/src/core/iomgr/sockaddr_utils.c @@ -111,13 +111,20 @@ int grpc_sockaddr_is_wildcard(const struct sockaddr *addr, int *port_out) { void grpc_sockaddr_make_wildcards(int port, struct sockaddr_in *wild4_out, struct sockaddr_in6 *wild6_out) { - memset(wild4_out, 0, sizeof(*wild4_out)); - wild4_out->sin_family = AF_INET; - wild4_out->sin_port = htons(port); + grpc_sockaddr_make_wildcard4(port, wild4_out); + grpc_sockaddr_make_wildcard6(port, wild6_out); +} + +void grpc_sockaddr_make_wildcard4(int port, struct sockaddr_in *wild_out) { + memset(wild_out, 0, sizeof(*wild_out)); + wild_out->sin_family = AF_INET; + wild_out->sin_port = htons(port); +} - memset(wild6_out, 0, sizeof(*wild6_out)); - wild6_out->sin6_family = AF_INET6; - wild6_out->sin6_port = htons(port); +void grpc_sockaddr_make_wildcard6(int port, struct sockaddr_in6 *wild_out) { + memset(wild_out, 0, sizeof(*wild_out)); + wild_out->sin6_family = AF_INET6; + wild_out->sin6_port = htons(port); } int grpc_sockaddr_to_string(char **out, const struct sockaddr *addr, diff --git a/src/core/iomgr/sockaddr_utils.h b/src/core/iomgr/sockaddr_utils.h index 3f5b770e86..b49cc50491 100644 --- a/src/core/iomgr/sockaddr_utils.h +++ b/src/core/iomgr/sockaddr_utils.h @@ -57,6 +57,12 @@ int grpc_sockaddr_is_wildcard(const struct sockaddr *addr, int *port_out); void grpc_sockaddr_make_wildcards(int port, struct sockaddr_in *wild4_out, struct sockaddr_in6 *wild6_out); +/* Writes 0.0.0.0:port. */ +void grpc_sockaddr_make_wildcard4(int port, struct sockaddr_in *wild_out); + +/* Writes [::]:port. */ +void grpc_sockaddr_make_wildcard6(int port, struct sockaddr_in6 *wild_out); + /* Return the IP port number of a sockaddr */ int grpc_sockaddr_get_port(const struct sockaddr *addr); diff --git a/src/core/iomgr/sockaddr_win32.h b/src/core/iomgr/sockaddr_win32.h index cdea33fec0..08be0e54f8 100644 --- a/src/core/iomgr/sockaddr_win32.h +++ b/src/core/iomgr/sockaddr_win32.h @@ -35,5 +35,7 @@ #define __GRPC_INTERNAL_IOMGR_SOCKADDR_WIN32_H_ #include <ws2tcpip.h> +#include <winsock2.h> +#include <mswsock.h> -#endif // __GRPC_INTERNAL_IOMGR_SOCKADDR_WIN32_H_ +#endif /* __GRPC_INTERNAL_IOMGR_SOCKADDR_WIN32_H_ */ diff --git a/src/core/iomgr/socket_windows.c b/src/core/iomgr/socket_windows.c new file mode 100644 index 0000000000..3639798dbc --- /dev/null +++ b/src/core/iomgr/socket_windows.c @@ -0,0 +1,77 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> + +#ifdef GPR_WINSOCK_SOCKET + +#include "src/core/iomgr/iocp_windows.h" +#include "src/core/iomgr/iomgr.h" +#include "src/core/iomgr/iomgr_internal.h" +#include "src/core/iomgr/socket_windows.h" +#include "src/core/iomgr/pollset.h" +#include "src/core/iomgr/pollset_windows.h" + +grpc_winsocket *grpc_winsocket_create(SOCKET socket) { + grpc_winsocket *r = gpr_malloc(sizeof(grpc_winsocket)); + gpr_log(GPR_DEBUG, "grpc_winsocket_create"); + memset(r, 0, sizeof(grpc_winsocket)); + r->socket = socket; + gpr_mu_init(&r->state_mu); + grpc_iomgr_ref(); + grpc_iocp_add_socket(r); + return r; +} + +void shutdown_op(grpc_winsocket_callback_info *info) { + if (!info->cb) return; + grpc_iomgr_add_delayed_callback(info->cb, info->opaque, 0); +} + +void grpc_winsocket_shutdown(grpc_winsocket *socket) { + gpr_log(GPR_DEBUG, "grpc_winsocket_shutdown"); + shutdown_op(&socket->read_info); + shutdown_op(&socket->write_info); +} + +void grpc_winsocket_orphan(grpc_winsocket *socket) { + gpr_log(GPR_DEBUG, "grpc_winsocket_orphan"); + grpc_iomgr_unref(); + closesocket(socket->socket); + gpr_mu_destroy(&socket->state_mu); + gpr_free(socket); +} + +#endif /* GPR_WINSOCK_SOCKET */ diff --git a/src/core/iomgr/socket_windows.h b/src/core/iomgr/socket_windows.h new file mode 100644 index 0000000000..990b520c6d --- /dev/null +++ b/src/core/iomgr/socket_windows.h @@ -0,0 +1,75 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef __GRPC_INTERNAL_IOMGR_HANDLE_WINDOWS_H__ +#define __GRPC_INTERNAL_IOMGR_HANDLE_WINDOWS_H__ + +#include <windows.h> + +#include <grpc/support/sync.h> +#include <grpc/support/atm.h> + +typedef struct grpc_winsocket_callback_info { + /* This is supposed to be a WSAOVERLAPPED, but in order to get that + * definition, we need to include ws2tcpip.h, which needs to be included + * from the top, otherwise it'll clash with a previous inclusion of + * windows.h that in turns includes winsock.h. If anyone knows a way + * to do it properly, feel free to send a patch. + */ + OVERLAPPED overlapped; + void(*cb)(void *opaque, int success); + void *opaque; + int has_pending_iocp; + DWORD bytes_transfered; + int wsa_error; +} grpc_winsocket_callback_info; + +typedef struct grpc_winsocket { + SOCKET socket; + + int added_to_iocp; + + grpc_winsocket_callback_info write_info; + grpc_winsocket_callback_info read_info; + + gpr_mu state_mu; +} grpc_winsocket; + +/* Create a wrapped windows handle. +This takes ownership of closing it. */ +grpc_winsocket *grpc_winsocket_create(SOCKET socket); + +void grpc_winsocket_shutdown(grpc_winsocket *socket); +void grpc_winsocket_orphan(grpc_winsocket *socket); + +#endif /* __GRPC_INTERNAL_IOMGR_HANDLE_WINDOWS_H__ */ diff --git a/src/core/iomgr/tcp_client_windows.c b/src/core/iomgr/tcp_client_windows.c new file mode 100644 index 0000000000..2ed5f39b39 --- /dev/null +++ b/src/core/iomgr/tcp_client_windows.c @@ -0,0 +1,215 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> + +#ifdef GPR_WINSOCK_SOCKET + +#include "src/core/iomgr/sockaddr_win32.h" + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/log_win32.h> +#include <grpc/support/slice_buffer.h> +#include <grpc/support/useful.h> + +#include "src/core/iomgr/tcp_client.h" +#include "src/core/iomgr/tcp_windows.h" +#include "src/core/iomgr/socket_windows.h" +#include "src/core/iomgr/alarm.h" +#include "src/core/iomgr/sockaddr.h" +#include "src/core/iomgr/sockaddr_utils.h" + +typedef struct { + void(*cb)(void *arg, grpc_endpoint *tcp); + void *cb_arg; + gpr_mu mu; + grpc_winsocket *socket; + gpr_timespec deadline; + grpc_alarm alarm; + int refs; +} async_connect; + +static void async_connect_cleanup(async_connect *ac) { + int done = (--ac->refs == 0); + gpr_mu_unlock(&ac->mu); + if (done) { + gpr_mu_destroy(&ac->mu); + gpr_free(ac); + } +} + +static void on_alarm(void *acp, int success) { + async_connect *ac = acp; + gpr_mu_lock(&ac->mu); + if (ac->socket != NULL && success) { + grpc_winsocket_shutdown(ac->socket); + } + async_connect_cleanup(ac); +} + +static void on_connect(void *acp, int success) { + async_connect *ac = acp; + SOCKET sock = ac->socket->socket; + grpc_endpoint *ep = NULL; + grpc_winsocket_callback_info *info = &ac->socket->write_info; + void(*cb)(void *arg, grpc_endpoint *tcp) = ac->cb; + void *cb_arg = ac->cb_arg; + + grpc_alarm_cancel(&ac->alarm); + + if (success) { + DWORD transfered_bytes = 0; + DWORD flags; + BOOL wsa_success = WSAGetOverlappedResult(sock, &info->overlapped, + &transfered_bytes, FALSE, + &flags); + GPR_ASSERT(transfered_bytes == 0); + if (!wsa_success) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "on_connect error: %s", utf8_message); + gpr_free(utf8_message); + goto finish; + } else { + gpr_log(GPR_DEBUG, "on_connect: connection established"); + ep = grpc_tcp_create(ac->socket); + goto finish; + } + } else { + gpr_log(GPR_ERROR, "on_connect is shutting down"); + goto finish; + } + + abort(); + +finish: + gpr_mu_lock(&ac->mu); + if (!ep) { + grpc_winsocket_orphan(ac->socket); + } + async_connect_cleanup(ac); + cb(cb_arg, ep); +} + +void grpc_tcp_client_connect(void(*cb)(void *arg, grpc_endpoint *tcp), + void *arg, const struct sockaddr *addr, + int addr_len, gpr_timespec deadline) { + SOCKET sock = INVALID_SOCKET; + BOOL success; + int status; + struct sockaddr_in6 addr6_v4mapped; + struct sockaddr_in6 local_address; + async_connect *ac; + grpc_winsocket *socket = NULL; + LPFN_CONNECTEX ConnectEx; + GUID guid = WSAID_CONNECTEX; + DWORD ioctl_num_bytes; + const char *message = NULL; + char *utf8_message; + grpc_winsocket_callback_info *info; + + /* Use dualstack sockets where available. */ + if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) { + addr = (const struct sockaddr *)&addr6_v4mapped; + addr_len = sizeof(addr6_v4mapped); + } + + sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, + WSA_FLAG_OVERLAPPED); + if (sock == INVALID_SOCKET) { + message = "Unable to create socket: %s"; + goto failure; + } + + if (!grpc_tcp_prepare_socket(sock)) { + message = "Unable to set socket options: %s"; + goto failure; + } + + status = WSAIoctl(sock, SIO_GET_EXTENSION_FUNCTION_POINTER, + &guid, sizeof(guid), &ConnectEx, sizeof(ConnectEx), + &ioctl_num_bytes, NULL, NULL); + + if (status != 0) { + message = "Unable to retreive ConnectEx pointer: %s"; + goto failure; + } + + grpc_sockaddr_make_wildcard6(0, &local_address); + + status = bind(sock, (struct sockaddr *) &local_address, + sizeof(local_address)); + if (status != 0) { + message = "Unable to bind socket: %s"; + goto failure; + } + + socket = grpc_winsocket_create(sock); + info = &socket->write_info; + success = ConnectEx(sock, addr, addr_len, NULL, 0, NULL, &info->overlapped); + + if (success) { + gpr_log(GPR_DEBUG, "connected immediately - but we still go to sleep"); + } else { + int error = WSAGetLastError(); + if (error != ERROR_IO_PENDING) { + message = "ConnectEx failed: %s"; + goto failure; + } + } + + gpr_log(GPR_DEBUG, "grpc_tcp_client_connect: connection pending"); + ac = gpr_malloc(sizeof(async_connect)); + ac->cb = cb; + ac->cb_arg = arg; + ac->socket = socket; + gpr_mu_init(&ac->mu); + ac->refs = 2; + + grpc_alarm_init(&ac->alarm, deadline, on_alarm, ac, gpr_now()); + grpc_socket_notify_on_write(socket, on_connect, ac); + return; + +failure: + utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, message, utf8_message); + gpr_free(utf8_message); + if (socket) { + grpc_winsocket_orphan(socket); + } else if (sock != INVALID_SOCKET) { + closesocket(sock); + } + cb(arg, NULL); +} + +#endif /* GPR_WINSOCK_SOCKET */ diff --git a/src/core/iomgr/tcp_server_windows.c b/src/core/iomgr/tcp_server_windows.c new file mode 100644 index 0000000000..e6161eb1e8 --- /dev/null +++ b/src/core/iomgr/tcp_server_windows.c @@ -0,0 +1,374 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> + +#ifdef GPR_WINSOCK_SOCKET + +#define _GNU_SOURCE +#include "src/core/iomgr/sockaddr_utils.h" + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/log_win32.h> +#include <grpc/support/sync.h> +#include <grpc/support/time.h> + +#include "src/core/iomgr/iocp_windows.h" +#include "src/core/iomgr/pollset_windows.h" +#include "src/core/iomgr/socket_windows.h" +#include "src/core/iomgr/tcp_server.h" +#include "src/core/iomgr/tcp_windows.h" + +#define INIT_PORT_CAP 2 +#define MIN_SAFE_ACCEPT_QUEUE_SIZE 100 + +static gpr_once s_init_max_accept_queue_size; +static int s_max_accept_queue_size; + +/* one listening port */ +typedef struct server_port { + gpr_uint8 addresses[sizeof(struct sockaddr_in6) * 2 + 32]; + SOCKET new_socket; + grpc_winsocket *socket; + grpc_tcp_server *server; + LPFN_ACCEPTEX AcceptEx; +} server_port; + +/* the overall server */ +struct grpc_tcp_server { + grpc_tcp_server_cb cb; + void *cb_arg; + + gpr_mu mu; + gpr_cv cv; + + /* active port count: how many ports are actually still listening */ + int active_ports; + + /* all listening ports */ + server_port *ports; + size_t nports; + size_t port_capacity; +}; + +grpc_tcp_server *grpc_tcp_server_create(void) { + grpc_tcp_server *s = gpr_malloc(sizeof(grpc_tcp_server)); + gpr_mu_init(&s->mu); + gpr_cv_init(&s->cv); + s->active_ports = 0; + s->cb = NULL; + s->cb_arg = NULL; + s->ports = gpr_malloc(sizeof(server_port) * INIT_PORT_CAP); + s->nports = 0; + s->port_capacity = INIT_PORT_CAP; + return s; +} + +void grpc_tcp_server_destroy(grpc_tcp_server *s) { + size_t i; + gpr_mu_lock(&s->mu); + /* shutdown all fd's */ + for (i = 0; i < s->nports; i++) { + grpc_winsocket_shutdown(s->ports[i].socket); + } + /* wait while that happens */ + while (s->active_ports) { + gpr_cv_wait(&s->cv, &s->mu, gpr_inf_future); + } + gpr_mu_unlock(&s->mu); + + /* delete ALL the things */ + for (i = 0; i < s->nports; i++) { + server_port *sp = &s->ports[i]; + grpc_winsocket_orphan(sp->socket); + } + gpr_free(s->ports); + gpr_free(s); +} + +/* Prepare a recently-created socket for listening. */ +static int prepare_socket(SOCKET sock, + const struct sockaddr *addr, int addr_len) { + struct sockaddr_storage sockname_temp; + socklen_t sockname_len; + + if (sock == INVALID_SOCKET) goto error; + + if (!grpc_tcp_prepare_socket(sock)) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "Unable to prepare socket: %s", utf8_message); + gpr_free(utf8_message); + goto error; + } + + if (bind(sock, addr, addr_len) == SOCKET_ERROR) { + char *addr_str; + char *utf8_message = gpr_format_message(WSAGetLastError()); + grpc_sockaddr_to_string(&addr_str, addr, 0); + gpr_log(GPR_ERROR, "bind addr=%s: %s", addr_str, utf8_message); + gpr_free(utf8_message); + gpr_free(addr_str); + goto error; + } + + if (listen(sock, SOMAXCONN) == SOCKET_ERROR) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "listen: %s", utf8_message); + gpr_free(utf8_message); + goto error; + } + + sockname_len = sizeof(sockname_temp); + if (getsockname(sock, (struct sockaddr *) &sockname_temp, &sockname_len) + == SOCKET_ERROR) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "getsockname: %s", utf8_message); + gpr_free(utf8_message); + goto error; + } + + return grpc_sockaddr_get_port((struct sockaddr *) &sockname_temp); + +error: + if (sock != INVALID_SOCKET) closesocket(sock); + return -1; +} + +static void on_accept(void *arg, int success); + +static void start_accept(server_port *port) { + SOCKET sock = INVALID_SOCKET; + char *message; + char *utf8_message; + BOOL success; + DWORD addrlen = sizeof(struct sockaddr_in6) + 16; + DWORD bytes_received = 0; + + sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, + WSA_FLAG_OVERLAPPED); + + if (sock == INVALID_SOCKET) { + message = "Unable to create socket: %s"; + goto failure; + } + + if (!grpc_tcp_prepare_socket(sock)) { + message = "Unable to prepare socket: %s"; + goto failure; + } + + success = port->AcceptEx(port->socket->socket, sock, port->addresses, 0, + addrlen, addrlen, &bytes_received, + &port->socket->read_info.overlapped); + + if (success) { + gpr_log(GPR_DEBUG, "accepted immediately - but we still go to sleep"); + } else { + int error = WSAGetLastError(); + if (error != ERROR_IO_PENDING) { + message = "AcceptEx failed: %s"; + goto failure; + } + } + + port->new_socket = sock; + grpc_socket_notify_on_read(port->socket, on_accept, port); + return; + +failure: + utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, message, utf8_message); + gpr_free(utf8_message); + if (sock != INVALID_SOCKET) closesocket(sock); +} + +/* event manager callback when reads are ready */ +static void on_accept(void *arg, int success) { + server_port *sp = arg; + SOCKET sock = sp->new_socket; + grpc_winsocket_callback_info *info = &sp->socket->read_info; + grpc_endpoint *ep = NULL; + + if (success) { + DWORD transfered_bytes = 0; + DWORD flags; + BOOL wsa_success = WSAGetOverlappedResult(sock, &info->overlapped, + &transfered_bytes, FALSE, + &flags); + if (!wsa_success) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "on_accept error: %s", utf8_message); + gpr_free(utf8_message); + closesocket(sock); + } else { + gpr_log(GPR_DEBUG, "on_accept: accepted connection"); + ep = grpc_tcp_create(grpc_winsocket_create(sock)); + } + } else { + gpr_log(GPR_DEBUG, "on_accept: shutting down"); + closesocket(sock); + gpr_mu_lock(&sp->server->mu); + if (0 == --sp->server->active_ports) { + gpr_cv_broadcast(&sp->server->cv); + } + gpr_mu_unlock(&sp->server->mu); + } + + if (ep) sp->server->cb(sp->server->cb_arg, ep); + start_accept(sp); +} + +static int add_socket_to_server(grpc_tcp_server *s, SOCKET sock, + const struct sockaddr *addr, int addr_len) { + server_port *sp; + int port; + int status; + GUID guid = WSAID_ACCEPTEX; + DWORD ioctl_num_bytes; + LPFN_ACCEPTEX AcceptEx; + + if (sock == INVALID_SOCKET) return -1; + + status = WSAIoctl(sock, SIO_GET_EXTENSION_FUNCTION_POINTER, + &guid, sizeof(guid), &AcceptEx, sizeof(AcceptEx), + &ioctl_num_bytes, NULL, NULL); + + if (status != 0) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "on_connect error: %s", utf8_message); + gpr_free(utf8_message); + closesocket(sock); + return -1; + } + + port = prepare_socket(sock, addr, addr_len); + if (port >= 0) { + gpr_mu_lock(&s->mu); + GPR_ASSERT(!s->cb && "must add ports before starting server"); + /* append it to the list under a lock */ + if (s->nports == s->port_capacity) { + s->port_capacity *= 2; + s->ports = gpr_realloc(s->ports, sizeof(server_port) * s->port_capacity); + } + sp = &s->ports[s->nports++]; + sp->server = s; + sp->socket = grpc_winsocket_create(sock); + sp->AcceptEx = AcceptEx; + GPR_ASSERT(sp->socket); + gpr_mu_unlock(&s->mu); + } + + return port; +} + +int grpc_tcp_server_add_port(grpc_tcp_server *s, const void *addr, + int addr_len) { + int allocated_port = -1; + unsigned i; + SOCKET sock; + struct sockaddr_in6 addr6_v4mapped; + struct sockaddr_in6 wildcard; + struct sockaddr *allocated_addr = NULL; + struct sockaddr_storage sockname_temp; + socklen_t sockname_len; + int port; + + /* Check if this is a wildcard port, and if so, try to keep the port the same + as some previously created listener. */ + if (grpc_sockaddr_get_port(addr) == 0) { + for (i = 0; i < s->nports; i++) { + sockname_len = sizeof(sockname_temp); + if (0 == getsockname(s->ports[i].socket->socket, + (struct sockaddr *) &sockname_temp, + &sockname_len)) { + port = grpc_sockaddr_get_port((struct sockaddr *) &sockname_temp); + if (port > 0) { + allocated_addr = malloc(addr_len); + memcpy(allocated_addr, addr, addr_len); + grpc_sockaddr_set_port(allocated_addr, port); + addr = allocated_addr; + break; + } + } + } + } + + if (grpc_sockaddr_to_v4mapped(addr, &addr6_v4mapped)) { + addr = (const struct sockaddr *)&addr6_v4mapped; + addr_len = sizeof(addr6_v4mapped); + } + + /* Treat :: or 0.0.0.0 as a family-agnostic wildcard. */ + if (grpc_sockaddr_is_wildcard(addr, &port)) { + grpc_sockaddr_make_wildcard6(port, &wildcard); + + addr = (struct sockaddr *) &wildcard; + addr_len = sizeof(wildcard); + } + + sock = WSASocket(AF_INET6, SOCK_STREAM, IPPROTO_TCP, NULL, 0, + WSA_FLAG_OVERLAPPED); + if (sock == INVALID_SOCKET) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + gpr_log(GPR_ERROR, "unable to create socket: %s", utf8_message); + gpr_free(utf8_message); + } + + allocated_port = add_socket_to_server(s, sock, addr, addr_len); + gpr_free(allocated_addr); + + return allocated_port; +} + +SOCKET grpc_tcp_server_get_socket(grpc_tcp_server *s, unsigned index) { + return (index < s->nports) ? s->ports[index].socket->socket : INVALID_SOCKET; +} + +void grpc_tcp_server_start(grpc_tcp_server *s, grpc_pollset *pollset, + grpc_tcp_server_cb cb, void *cb_arg) { + size_t i; + GPR_ASSERT(cb); + gpr_mu_lock(&s->mu); + GPR_ASSERT(!s->cb); + GPR_ASSERT(s->active_ports == 0); + s->cb = cb; + s->cb_arg = cb_arg; + for (i = 0; i < s->nports; i++) { + start_accept(s->ports + i); + s->active_ports++; + } + gpr_mu_unlock(&s->mu); +} + +#endif /* GPR_WINSOCK_SOCKET */ diff --git a/src/core/iomgr/tcp_windows.c b/src/core/iomgr/tcp_windows.c new file mode 100644 index 0000000000..94d84f92b5 --- /dev/null +++ b/src/core/iomgr/tcp_windows.c @@ -0,0 +1,373 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <grpc/support/port_platform.h> + +#ifdef GPR_WINSOCK_SOCKET + +#include "src/core/iomgr/sockaddr_win32.h" + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/log_win32.h> +#include <grpc/support/slice_buffer.h> +#include <grpc/support/useful.h> + +#include "src/core/iomgr/alarm.h" +#include "src/core/iomgr/iocp_windows.h" +#include "src/core/iomgr/sockaddr.h" +#include "src/core/iomgr/sockaddr_utils.h" +#include "src/core/iomgr/socket_windows.h" +#include "src/core/iomgr/tcp_client.h" + +static int set_non_block(SOCKET sock) { + int status; + unsigned long param = 1; + DWORD ret; + status = WSAIoctl(sock, FIONBIO, ¶m, sizeof(param), NULL, 0, &ret, + NULL, NULL); + return status == 0; +} + +static int set_dualstack(SOCKET sock) { + int status; + unsigned long param = 0; + status = setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, + (const char *) ¶m, sizeof(param)); + return status == 0; +} + +int grpc_tcp_prepare_socket(SOCKET sock) { + if (!set_non_block(sock)) + return 0; + if (!set_dualstack(sock)) + return 0; + return 1; +} + +typedef struct grpc_tcp { + grpc_endpoint base; + grpc_winsocket *socket; + gpr_refcount refcount; + + grpc_endpoint_read_cb read_cb; + void *read_user_data; + gpr_slice read_slice; + int outstanding_read; + + grpc_endpoint_write_cb write_cb; + void *write_user_data; + gpr_slice_buffer write_slices; + int outstanding_write; + +} grpc_tcp; + +static void tcp_ref(grpc_tcp *tcp) { + gpr_log(GPR_DEBUG, "tcp_ref"); + gpr_ref(&tcp->refcount); +} + +static void tcp_unref(grpc_tcp *tcp) { + gpr_log(GPR_DEBUG, "tcp_unref"); + if (gpr_unref(&tcp->refcount)) { + gpr_log(GPR_DEBUG, "tcp_unref: destroying"); + gpr_slice_buffer_destroy(&tcp->write_slices); + grpc_winsocket_orphan(tcp->socket); + gpr_free(tcp); + } +} + +static void on_read(void *tcpp, int success) { + grpc_tcp *tcp = (grpc_tcp *) tcpp; + grpc_winsocket *socket = tcp->socket; + gpr_slice sub; + gpr_slice *slice = NULL; + size_t nslices = 0; + grpc_endpoint_cb_status status; + grpc_endpoint_read_cb cb = tcp->read_cb; + grpc_winsocket_callback_info *info = &socket->read_info; + void *opaque = tcp->read_user_data; + + GPR_ASSERT(tcp->outstanding_read); + + if (!success) { + tcp_unref(tcp); + cb(opaque, NULL, 0, GRPC_ENDPOINT_CB_SHUTDOWN); + return; + } + + gpr_log(GPR_DEBUG, "on_read"); + tcp->outstanding_read = 0; + + if (socket->read_info.wsa_error != 0) { + char *utf8_message = gpr_format_message(info->wsa_error); + __debugbreak(); + gpr_log(GPR_ERROR, "ReadFile overlapped error: %s", utf8_message); + gpr_free(utf8_message); + status = GRPC_ENDPOINT_CB_ERROR; + } else { + if (info->bytes_transfered != 0) { + sub = gpr_slice_sub(tcp->read_slice, 0, info->bytes_transfered); + gpr_log(GPR_DEBUG, "on_read: calling callback"); + status = GRPC_ENDPOINT_CB_OK; + slice = ⊂ + nslices = 1; + } else { + gpr_log(GPR_DEBUG, "on_read: closed socket"); + gpr_slice_unref(tcp->read_slice); + status = GRPC_ENDPOINT_CB_EOF; + } + } + tcp_unref(tcp); + cb(opaque, slice, nslices, status); +} + +static void win_notify_on_read(grpc_endpoint *ep, + grpc_endpoint_read_cb cb, void *arg) { + grpc_tcp *tcp = (grpc_tcp *) ep; + grpc_winsocket *handle = tcp->socket; + grpc_winsocket_callback_info *info = &handle->read_info; + int status; + DWORD bytes_read = 0; + DWORD flags = 0; + int error; + WSABUF buffer; + + GPR_ASSERT(!tcp->outstanding_read); + tcp_ref(tcp); + tcp->outstanding_read = 1; + tcp->read_cb = cb; + tcp->read_user_data = arg; + + tcp->read_slice = gpr_slice_malloc(8192); + + buffer.len = GPR_SLICE_LENGTH(tcp->read_slice); + buffer.buf = GPR_SLICE_START_PTR(tcp->read_slice); + + gpr_log(GPR_DEBUG, "win_notify_on_read: calling WSARecv without overlap"); + status = WSARecv(tcp->socket->socket, &buffer, 1, &bytes_read, &flags, + NULL, NULL); + info->wsa_error = status == 0 ? 0 : WSAGetLastError(); + + if (info->wsa_error != WSAEWOULDBLOCK) { + gpr_log(GPR_DEBUG, "got response immediately, calling on_read"); + info->bytes_transfered = bytes_read; + /* This might heavily recurse. */ + on_read(tcp, 1); + return; + } + + gpr_log(GPR_DEBUG, "got WSAEWOULDBLOCK - calling WSARecv with overlap"); + + memset(&tcp->socket->read_info.overlapped, 0, sizeof(OVERLAPPED)); + status = WSARecv(tcp->socket->socket, &buffer, 1, &bytes_read, &flags, + &info->overlapped, NULL); + + if (status == 0) { + gpr_log(GPR_DEBUG, "got response immediately, but we're going to sleep"); + grpc_socket_notify_on_read(tcp->socket, on_read, tcp); + return; + } + + error = WSAGetLastError(); + + if (error != WSA_IO_PENDING) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + __debugbreak(); + gpr_log(GPR_ERROR, "WSARecv error: %s", utf8_message); + gpr_free(utf8_message); + /* would the IO completion port be called anyway... ? Let's assume not. */ + tcp->outstanding_read = 0; + tcp_unref(tcp); + cb(arg, NULL, 0, GRPC_ENDPOINT_CB_ERROR); + return; + } + + gpr_log(GPR_DEBUG, "waiting on the IO completion port now"); + grpc_socket_notify_on_read(tcp->socket, on_read, tcp); +} + +static void on_write(void *tcpp, int success) { + grpc_tcp *tcp = (grpc_tcp *) tcpp; + grpc_winsocket *handle = tcp->socket; + grpc_winsocket_callback_info *info = &handle->write_info; + grpc_endpoint_cb_status status = GRPC_ENDPOINT_CB_OK; + grpc_endpoint_write_cb cb = tcp->write_cb; + void *opaque = tcp->write_user_data; + + GPR_ASSERT(tcp->outstanding_write); + + gpr_log(GPR_DEBUG, "on_write"); + + if (!success) { + tcp_unref(tcp); + cb(opaque, GRPC_ENDPOINT_CB_SHUTDOWN); + return; + } + + if (info->wsa_error != 0) { + char *utf8_message = gpr_format_message(info->wsa_error); + gpr_log(GPR_ERROR, "WSASend overlapped error: %s", utf8_message); + gpr_free(utf8_message); + status = GRPC_ENDPOINT_CB_ERROR; + } else { + GPR_ASSERT(info->bytes_transfered == tcp->write_slices.length); + } + + gpr_slice_buffer_reset_and_unref(&tcp->write_slices); + tcp->outstanding_write = 0; + + tcp_unref(tcp); + cb(opaque, status); +} + +static grpc_endpoint_write_status win_write(grpc_endpoint *ep, + gpr_slice *slices, size_t nslices, + grpc_endpoint_write_cb cb, + void *arg) { + grpc_tcp *tcp = (grpc_tcp *) ep; + grpc_winsocket *socket = tcp->socket; + grpc_winsocket_callback_info *info = &socket->write_info; + unsigned i; + DWORD bytes_sent; + int status; + WSABUF local_buffers[16]; + WSABUF *allocated = NULL; + WSABUF *buffers = local_buffers; + + GPR_ASSERT(nslices != 0); + GPR_ASSERT(GPR_SLICE_LENGTH(slices[0]) != 0); + GPR_ASSERT(!tcp->outstanding_write); + tcp_ref(tcp); + + gpr_log(GPR_DEBUG, "win_write"); + + tcp->outstanding_write = 1; + tcp->write_cb = cb; + tcp->write_user_data = arg; + gpr_slice_buffer_addn(&tcp->write_slices, slices, nslices); + + if (tcp->write_slices.count > GPR_ARRAY_SIZE(local_buffers)) { + buffers = (WSABUF *) gpr_malloc(sizeof(WSABUF) * tcp->write_slices.count); + allocated = buffers; + } + + for (i = 0; i < tcp->write_slices.count; i++) { + buffers[i].len = GPR_SLICE_LENGTH(tcp->write_slices.slices[i]); + buffers[i].buf = GPR_SLICE_START_PTR(tcp->write_slices.slices[i]); + } + + gpr_log(GPR_DEBUG, "win_write: calling WSASend without overlap"); + status = WSASend(socket->socket, buffers, tcp->write_slices.count, + &bytes_sent, 0, NULL, NULL); + info->wsa_error = status == 0 ? 0 : WSAGetLastError(); + + if (info->wsa_error != WSAEWOULDBLOCK) { + grpc_endpoint_write_status ret = GRPC_ENDPOINT_WRITE_ERROR; + gpr_log(GPR_DEBUG, "got response immediately, cleaning up and leaving"); + if (status == 0) { + ret = GRPC_ENDPOINT_WRITE_DONE; + GPR_ASSERT(bytes_sent == tcp->write_slices.length); + } else { + char *utf8_message = gpr_format_message(info->wsa_error); + gpr_log(GPR_ERROR, "WSASend error: %s", utf8_message); + gpr_free(utf8_message); + } + if (allocated) gpr_free(allocated); + gpr_slice_buffer_reset_and_unref(&tcp->write_slices); + tcp->outstanding_write = 0; + tcp_unref(tcp); + return ret; + } + + gpr_log(GPR_DEBUG, "got WSAEWOULDBLOCK - calling WSASend with overlap"); + + memset(&socket->write_info, 0, sizeof(OVERLAPPED)); + status = WSASend(socket->socket, buffers, tcp->write_slices.count, + &bytes_sent, 0, &socket->write_info.overlapped, NULL); + if (allocated) gpr_free(allocated); + + if (status != 0) { + int error = WSAGetLastError(); + if (error != WSA_IO_PENDING) { + char *utf8_message = gpr_format_message(WSAGetLastError()); + __debugbreak(); + gpr_log(GPR_ERROR, "WSASend error: %s", utf8_message); + gpr_free(utf8_message); + /* would the IO completion port be called anyway ? Let's assume not. */ + tcp->outstanding_write = 0; + tcp_unref(tcp); + return GRPC_ENDPOINT_WRITE_ERROR; + } + gpr_log(GPR_DEBUG, "win_write: got pending op"); + } else { + gpr_log(GPR_DEBUG, "wrote data immediately - but we're going to sleep"); + } + + grpc_socket_notify_on_write(socket, on_write, tcp); + return GRPC_ENDPOINT_WRITE_PENDING; +} + +static void win_add_to_pollset(grpc_endpoint *ep, grpc_pollset *pollset) { + grpc_tcp *tcp = (grpc_tcp *) ep; + gpr_log(GPR_DEBUG, "win_add_to_pollset"); + grpc_iocp_add_socket(tcp->socket); +} + +static void win_shutdown(grpc_endpoint *ep) { + grpc_tcp *tcp = (grpc_tcp *) ep; + gpr_log(GPR_DEBUG, "win_shutdown"); + grpc_winsocket_shutdown(tcp->socket); +} + +static void win_destroy(grpc_endpoint *ep) { + grpc_tcp *tcp = (grpc_tcp *) ep; + gpr_log(GPR_DEBUG, "win_destroy"); + tcp_unref(tcp); +} + +static grpc_endpoint_vtable vtable = { + win_notify_on_read, win_write, win_add_to_pollset, win_shutdown, win_destroy +}; + +grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket) { + grpc_tcp *tcp = (grpc_tcp *) gpr_malloc(sizeof(grpc_tcp)); + memset(tcp, 0, sizeof(grpc_tcp)); + tcp->base.vtable = &vtable; + tcp->socket = socket; + gpr_slice_buffer_init(&tcp->write_slices); + gpr_ref_init(&tcp->refcount, 1); + return &tcp->base; +} + +#endif /* GPR_WINSOCK_SOCKET */ diff --git a/src/core/iomgr/tcp_windows.h b/src/core/iomgr/tcp_windows.h new file mode 100644 index 0000000000..cbe60801b4 --- /dev/null +++ b/src/core/iomgr/tcp_windows.h @@ -0,0 +1,57 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef __GRPC_INTERNAL_IOMGR_TCP_WINDOWS_H__ +#define __GRPC_INTERNAL_IOMGR_TCP_WINDOWS_H__ +/* + Low level TCP "bottom half" implementation, for use by transports built on + top of a TCP connection. + + Note that this file does not (yet) include APIs for creating the socket in + the first place. + + All calls passing slice transfer ownership of a slice refcount unless + otherwise specified. +*/ + +#include "src/core/iomgr/endpoint.h" +#include "src/core/iomgr/socket_windows.h" + +/* Create a tcp endpoint given a winsock handle. + * Takes ownership of the handle. + */ +grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket); + +int grpc_tcp_prepare_socket(SOCKET sock); + +#endif /* __GRPC_INTERNAL_IOMGR_TCP_WINDOWS_H__ */ diff --git a/src/core/support/log_win32.c b/src/core/support/log_win32.c index dc8c1d0785..840f24f68a 100644 --- a/src/core/support/log_win32.c +++ b/src/core/support/log_win32.c @@ -35,11 +35,16 @@ #ifdef GPR_WIN32 -#include <grpc/support/log.h> -#include <grpc/support/alloc.h> #include <stdio.h> #include <stdarg.h> +#include <grpc/support/alloc.h> +#include <grpc/support/log_win32.h> +#include <grpc/support/log.h> +#include <grpc/support/time.h> + +#include "src/core/support/string_win32.h" + void gpr_log(const char *file, int line, gpr_log_severity severity, const char *format, ...) { char *message = NULL; @@ -74,8 +79,35 @@ void gpr_log(const char *file, int line, gpr_log_severity severity, /* Simple starter implementation */ void gpr_default_log(gpr_log_func_args *args) { - fprintf(stderr, "%s %s:%d: %s\n", gpr_log_severity_string(args->severity), + char time_buffer[64]; + gpr_timespec now = gpr_now(); + struct tm tm; + + if (localtime_s(&tm, &now.tv_sec)) { + strcpy(time_buffer, "error:localtime"); + } else if (0 == + strftime(time_buffer, sizeof(time_buffer), "%m%d %H:%M:%S", &tm)) { + strcpy(time_buffer, "error:strftime"); + } + + fprintf(stderr, "%s%s.%09u %5u %s:%d: %s\n", + gpr_log_severity_string(args->severity), time_buffer, + (int)(now.tv_nsec), GetCurrentThreadId(), args->file, args->line, args->message); } -#endif +char *gpr_format_message(DWORD messageid) { + LPTSTR tmessage; + char *message; + DWORD status = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | + FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, messageid, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + (LPTSTR)(&tmessage), 0, NULL); + message = gpr_tchar_to_char(tmessage); + LocalFree(tmessage); + return message; +} + +#endif /* GPR_WIN32 */ |