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windows: Enable passing of TCP connections over IPC

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This commit is contained in:
Igor Zinkovsky 2012-03-08 12:02:50 -08:00
parent 31ff9863a1
commit 70925c3bb9
9 changed files with 635 additions and 289 deletions
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5
include/uv-private/uv-win.h
View File

@ -318,7 +318,10 @@ RB_HEAD(uv_timer_tree_s, uv_timer_s);
uv_write_t ipc_header_write_req; \
int ipc_pid; \
uint64_t remaining_ipc_rawdata_bytes; \
WSAPROTOCOL_INFOW* pending_socket_info; \
struct { \
WSAPROTOCOL_INFOW* socket_info; \
int tcp_connection; \
} pending_ipc_info; \
uv_write_t* non_overlapped_writes_tail;
#define UV_PIPE_PRIVATE_FIELDS \

15
src/win/handle.c
View File

@ -71,7 +71,6 @@ int uv_is_active(uv_handle_t* handle) {
void uv_close(uv_handle_t* handle, uv_close_cb cb) {
uv_tcp_t* tcp;
uv_pipe_t* pipe;
uv_udp_t* udp;
uv_process_t* process;
@ -88,19 +87,7 @@ void uv_close(uv_handle_t* handle, uv_close_cb cb) {
/* Handle-specific close actions */
switch (handle->type) {
case UV_TCP:
tcp = (uv_tcp_t*)handle;
/* If we don't shutdown before calling closesocket, windows will */
/* silently discard the kernel send buffer and reset the connection. */
if ((tcp->flags & UV_HANDLE_CONNECTION) &&
!(tcp->flags & UV_HANDLE_SHUT)) {
shutdown(tcp->socket, SD_SEND);
tcp->flags |= UV_HANDLE_SHUTTING | UV_HANDLE_SHUT;
}
tcp->flags &= ~(UV_HANDLE_READING | UV_HANDLE_LISTENING);
closesocket(tcp->socket);
if (tcp->reqs_pending == 0) {
uv_want_endgame(loop, handle);
}
uv_tcp_close((uv_tcp_t*)handle);
return;
case UV_NAMED_PIPE:

6
src/win/internal.h
View File

@ -68,11 +68,12 @@ void uv_process_timers(uv_loop_t* loop);
#define UV_HANDLE_NON_OVERLAPPED_PIPE 0x00200000
#define UV_HANDLE_TTY_SAVED_POSITION 0x00400000
#define UV_HANDLE_TTY_SAVED_ATTRIBUTES 0x00800000
#define UV_HANDLE_SHARED_TCP_SERVER 0x01000000
#define UV_HANDLE_SHARED_TCP_SOCKET 0x01000000
#define UV_HANDLE_TCP_NODELAY 0x02000000
#define UV_HANDLE_TCP_KEEPALIVE 0x04000000
#define UV_HANDLE_TCP_SINGLE_ACCEPT 0x08000000
#define UV_HANDLE_TCP_ACCEPT_STATE_CHANGING 0x10000000
#define UV_HANDLE_TCP_SOCKET_CLOSED 0x20000000
void uv_want_endgame(uv_loop_t* loop, uv_handle_t* handle);
void uv_process_endgames(uv_loop_t* loop);
@ -143,7 +144,8 @@ void uv_process_tcp_connect_req(uv_loop_t* loop, uv_tcp_t* handle,
void uv_tcp_endgame(uv_loop_t* loop, uv_tcp_t* handle);
int uv_tcp_import(uv_tcp_t* tcp, WSAPROTOCOL_INFOW* socket_protocol_info);
int uv_tcp_import(uv_tcp_t* tcp, WSAPROTOCOL_INFOW* socket_protocol_info,
int tcp_connection);
int uv_tcp_duplicate_socket(uv_tcp_t* handle, int pid,
LPWSAPROTOCOL_INFOW protocol_info);

59
src/win/pipe.c
View File

@ -42,8 +42,9 @@ static const int64_t eof_timeout = 50; /* ms */
static const int default_pending_pipe_instances = 4;
/* IPC protocol flags. */
#define UV_IPC_RAW_DATA 0x0001
#define UV_IPC_UV_STREAM 0x0002
#define UV_IPC_RAW_DATA 0x0001
#define UV_IPC_TCP_SERVER 0x0002
#define UV_IPC_TCP_CONNECTION 0x0004
/* IPC frame header. */
typedef struct {
@ -79,7 +80,8 @@ int uv_pipe_init(uv_loop_t* loop, uv_pipe_t* handle, int ipc) {
handle->name = NULL;
handle->ipc_pid = 0;
handle->remaining_ipc_rawdata_bytes = 0;
handle->pending_socket_info = NULL;
handle->pending_ipc_info.socket_info = NULL;
handle->pending_ipc_info.tcp_connection = 0;
handle->ipc = ipc;
handle->non_overlapped_writes_tail = NULL;
@ -356,9 +358,9 @@ void uv_pipe_endgame(uv_loop_t* loop, uv_pipe_t* handle) {
handle->flags |= UV_HANDLE_CLOSED;
if (handle->flags & UV_HANDLE_CONNECTION) {
if (handle->pending_socket_info) {
free(handle->pending_socket_info);
handle->pending_socket_info = NULL;
if (handle->pending_ipc_info.socket_info) {
free(handle->pending_ipc_info.socket_info);
handle->pending_ipc_info.socket_info = NULL;
}
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
@ -711,13 +713,14 @@ int uv_pipe_accept(uv_pipe_t* server, uv_stream_t* client) {
uv_pipe_accept_t* req;
if (server->ipc) {
if (!server->pending_socket_info) {
if (!server->pending_ipc_info.socket_info) {
/* No valid pending sockets. */
uv__set_sys_error(loop, WSAEWOULDBLOCK);
return -1;
}
return uv_tcp_import((uv_tcp_t*)client, server->pending_socket_info);
return uv_tcp_import((uv_tcp_t*)client, server->pending_ipc_info.socket_info,
server->pending_ipc_info.tcp_connection);
} else {
pipe_client = (uv_pipe_t*)client;
@ -1051,9 +1054,8 @@ static int uv_pipe_write_impl(uv_loop_t* loop, uv_write_t* req,
return -1;
}
/* Only TCP server handles are supported for sharing. */
if (send_handle && (send_handle->type != UV_TCP ||
send_handle->flags & UV_HANDLE_CONNECTION)) {
/* Only TCP handles are supported for sharing. */
if (send_handle && send_handle->type != UV_TCP) {
uv__set_artificial_error(loop, UV_ENOTSUP);
return -1;
}
@ -1091,7 +1093,11 @@ static int uv_pipe_write_impl(uv_loop_t* loop, uv_write_t* req,
&ipc_frame.socket_info)) {
return -1;
}
ipc_frame.header.flags |= UV_IPC_UV_STREAM;
ipc_frame.header.flags |= UV_IPC_TCP_SERVER;
if (tcp_send_handle->flags & UV_HANDLE_CONNECTION) {
ipc_frame.header.flags |= UV_IPC_TCP_CONNECTION;
}
}
if (bufcnt == 1) {
@ -1132,7 +1138,7 @@ static int uv_pipe_write_impl(uv_loop_t* loop, uv_write_t* req,
result = WriteFile(handle->handle,
&ipc_frame,
ipc_frame.header.flags & UV_IPC_UV_STREAM ?
ipc_frame.header.flags & UV_IPC_TCP_SERVER ?
sizeof(ipc_frame) : sizeof(ipc_frame.header),
NULL,
&ipc_header_req->overlapped);
@ -1146,7 +1152,7 @@ static int uv_pipe_write_impl(uv_loop_t* loop, uv_write_t* req,
ipc_header_req->queued_bytes = 0;
} else {
/* Request queued by the kernel. */
ipc_header_req->queued_bytes = ipc_frame.header.flags & UV_IPC_UV_STREAM ?
ipc_header_req->queued_bytes = ipc_frame.header.flags & UV_IPC_TCP_SERVER ?
sizeof(ipc_frame) : sizeof(ipc_frame.header);
handle->write_queue_size += req->queued_bytes;
}
@ -1330,9 +1336,10 @@ void uv_process_pipe_read_req(uv_loop_t* loop, uv_pipe_t* handle,
}
assert(bytes == sizeof(ipc_frame.header));
assert(ipc_frame.header.flags <= (UV_IPC_UV_STREAM | UV_IPC_RAW_DATA));
assert(ipc_frame.header.flags <= (UV_IPC_TCP_SERVER | UV_IPC_RAW_DATA |
UV_IPC_TCP_CONNECTION));
if (ipc_frame.header.flags & UV_IPC_UV_STREAM) {
if (ipc_frame.header.flags & UV_IPC_TCP_SERVER) {
assert(avail - sizeof(ipc_frame.header) >=
sizeof(ipc_frame.socket_info));
@ -1350,14 +1357,16 @@ void uv_process_pipe_read_req(uv_loop_t* loop, uv_pipe_t* handle,
assert(bytes == sizeof(ipc_frame) - sizeof(ipc_frame.header));
/* Store the pending socket info. */
assert(!handle->pending_socket_info);
handle->pending_socket_info =
(WSAPROTOCOL_INFOW*)malloc(sizeof(*(handle->pending_socket_info)));
if (!handle->pending_socket_info) {
assert(!handle->pending_ipc_info.socket_info);
handle->pending_ipc_info.socket_info =
(WSAPROTOCOL_INFOW*)malloc(sizeof(*(handle->pending_ipc_info.socket_info)));
if (!handle->pending_ipc_info.socket_info) {
uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
}
*(handle->pending_socket_info) = ipc_frame.socket_info;
*(handle->pending_ipc_info.socket_info) = ipc_frame.socket_info;
handle->pending_ipc_info.tcp_connection =
ipc_frame.header.flags & UV_IPC_TCP_CONNECTION;
}
if (ipc_frame.header.flags & UV_IPC_RAW_DATA) {
@ -1385,14 +1394,14 @@ void uv_process_pipe_read_req(uv_loop_t* loop, uv_pipe_t* handle,
handle->remaining_ipc_rawdata_bytes - bytes;
if (handle->read2_cb) {
handle->read2_cb(handle, bytes, buf,
handle->pending_socket_info ? UV_TCP : UV_UNKNOWN_HANDLE);
handle->pending_ipc_info.socket_info ? UV_TCP : UV_UNKNOWN_HANDLE);
} else if (handle->read_cb) {
handle->read_cb((uv_stream_t*)handle, bytes, buf);
}
if (handle->pending_socket_info) {
free(handle->pending_socket_info);
handle->pending_socket_info = NULL;
if (handle->pending_ipc_info.socket_info) {
free(handle->pending_ipc_info.socket_info);
handle->pending_ipc_info.socket_info = NULL;
}
} else {
handle->read_cb((uv_stream_t*)handle, bytes, buf);

175
src/win/tcp.c
View File

@ -199,6 +199,11 @@ void uv_tcp_endgame(uv_loop_t* loop, uv_tcp_t* handle) {
assert(!(handle->flags & UV_HANDLE_CLOSED));
handle->flags |= UV_HANDLE_CLOSED;
if (!(handle->flags & UV_HANDLE_TCP_SOCKET_CLOSED)) {
closesocket(handle->socket);
handle->flags |= UV_HANDLE_TCP_SOCKET_CLOSED;
}
if (!(handle->flags & UV_HANDLE_CONNECTION) && handle->accept_reqs) {
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
for (i = 0; i < uv_simultaneous_server_accepts; i++) {
@ -218,6 +223,18 @@ void uv_tcp_endgame(uv_loop_t* loop, uv_tcp_t* handle) {
handle->accept_reqs = NULL;
}
if (handle->flags & UV_HANDLE_CONNECTION &&
handle->flags & UV_HANDLE_EMULATE_IOCP) {
if (handle->read_req.wait_handle != INVALID_HANDLE_VALUE) {
UnregisterWait(handle->read_req.wait_handle);
handle->read_req.wait_handle = INVALID_HANDLE_VALUE;
}
if (handle->read_req.event_handle) {
CloseHandle(handle->read_req.event_handle);
handle->read_req.event_handle = NULL;
}
}
if (handle->close_cb) {
handle->close_cb((uv_handle_t*)handle);
}
@ -341,7 +358,7 @@ static void uv_tcp_queue_accept(uv_tcp_t* handle, uv_tcp_accept_t* req) {
/* Prepare the overlapped structure. */
memset(&(req->overlapped), 0, sizeof(req->overlapped));
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
req->overlapped.hEvent = (HANDLE) ((DWORD) req->event_handle | 1);
req->overlapped.hEvent = (HANDLE) ((ULONG_PTR) req->event_handle | 1);
}
success = handle->func_acceptex(handle->socket,
@ -415,6 +432,13 @@ static void uv_tcp_queue_read(uv_loop_t* loop, uv_tcp_t* handle) {
buf.len = 0;
}
/* Prepare the overlapped structure. */
memset(&(req->overlapped), 0, sizeof(req->overlapped));
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
assert(req->event_handle);
req->overlapped.hEvent = (HANDLE) ((ULONG_PTR) req->event_handle | 1);
}
flags = 0;
result = WSARecv(handle->socket,
(WSABUF*)&buf,
@ -434,6 +458,14 @@ static void uv_tcp_queue_read(uv_loop_t* loop, uv_tcp_t* handle) {
/* The req will be processed with IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
handle->reqs_pending++;
if (handle->flags & UV_HANDLE_EMULATE_IOCP &&
req->wait_handle == INVALID_HANDLE_VALUE &&
!RegisterWaitForSingleObject(&req->wait_handle,
req->overlapped.hEvent, post_completion, (void*) req,
INFINITE, WT_EXECUTEINWAITTHREAD)) {
SET_REQ_ERROR(req, GetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
}
} else {
/* Make this req pending reporting an error. */
SET_REQ_ERROR(req, WSAGetLastError());
@ -466,7 +498,7 @@ int uv_tcp_listen(uv_tcp_t* handle, int backlog, uv_connection_cb cb) {
}
}
if (!(handle->flags & UV_HANDLE_SHARED_TCP_SERVER) &&
if (!(handle->flags & UV_HANDLE_SHARED_TCP_SOCKET) &&
listen(handle->socket, backlog) == SOCKET_ERROR) {
uv__set_sys_error(loop, WSAGetLastError());
return -1;
@ -593,10 +625,18 @@ int uv_tcp_read_start(uv_tcp_t* handle, uv_alloc_cb alloc_cb,
handle->read_cb = read_cb;
handle->alloc_cb = alloc_cb;
/* If reading was stopped and then started again, there could stell be a */
/* If reading was stopped and then started again, there could still be a */
/* read request pending. */
if (!(handle->flags & UV_HANDLE_READ_PENDING))
if (!(handle->flags & UV_HANDLE_READ_PENDING)) {
if (handle->flags & UV_HANDLE_EMULATE_IOCP &&
!handle->read_req.event_handle) {
handle->read_req.event_handle = CreateEvent(NULL, 0, 0, NULL);
if (!handle->read_req.event_handle) {
uv_fatal_error(GetLastError(), "CreateEvent");
}
}
uv_tcp_queue_read(loop, handle);
}
return 0;
}
@ -790,6 +830,16 @@ int uv_tcp_write(uv_loop_t* loop, uv_write_t* req, uv_tcp_t* handle,
req->cb = cb;
memset(&req->overlapped, 0, sizeof(req->overlapped));
/* Prepare the overlapped structure. */
memset(&(req->overlapped), 0, sizeof(req->overlapped));
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
req->event_handle = CreateEvent(NULL, 0, 0, NULL);
if (!req->event_handle) {
uv_fatal_error(GetLastError(), "CreateEvent");
}
req->overlapped.hEvent = (HANDLE) ((ULONG_PTR) req->event_handle | 1);
}
result = WSASend(handle->socket,
(WSABUF*)bufs,
bufcnt,
@ -812,6 +862,14 @@ int uv_tcp_write(uv_loop_t* loop, uv_write_t* req, uv_tcp_t* handle,
handle->write_reqs_pending++;
handle->write_queue_size += req->queued_bytes;
uv_ref(loop);
if (handle->flags & UV_HANDLE_EMULATE_IOCP &&
req->wait_handle == INVALID_HANDLE_VALUE &&
!RegisterWaitForSingleObject(&req->wait_handle,
req->overlapped.hEvent, post_completion, (void*) req,
INFINITE, WT_EXECUTEINWAITTHREAD)) {
SET_REQ_ERROR(req, GetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
}
} else {
/* Send failed due to an error. */
uv__set_sys_error(loop, WSAGetLastError());
@ -945,6 +1003,17 @@ void uv_process_tcp_write_req(uv_loop_t* loop, uv_tcp_t* handle,
assert(handle->write_queue_size >= req->queued_bytes);
handle->write_queue_size -= req->queued_bytes;
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
if (req->wait_handle != INVALID_HANDLE_VALUE) {
UnregisterWait(req->wait_handle);
req->wait_handle = INVALID_HANDLE_VALUE;
}
if (req->event_handle) {
CloseHandle(req->event_handle);
req->event_handle = NULL;
}
}
if (req->cb) {
uv__set_sys_error(loop, GET_REQ_SOCK_ERROR(req));
((uv_write_cb)req->cb)(req, loop->last_err.code == UV_OK ? 0 : -1);
@ -1036,7 +1105,8 @@ void uv_process_tcp_connect_req(uv_loop_t* loop, uv_tcp_t* handle,
}
int uv_tcp_import(uv_tcp_t* tcp, WSAPROTOCOL_INFOW* socket_protocol_info) {
int uv_tcp_import(uv_tcp_t* tcp, WSAPROTOCOL_INFOW* socket_protocol_info,
int tcp_connection) {
SOCKET socket = WSASocketW(AF_INET,
SOCK_STREAM,
IPPROTO_IP,
@ -1050,13 +1120,22 @@ int uv_tcp_import(uv_tcp_t* tcp, WSAPROTOCOL_INFOW* socket_protocol_info) {
}
tcp->flags |= UV_HANDLE_BOUND;
tcp->flags |= UV_HANDLE_SHARED_TCP_SERVER;
tcp->flags |= UV_HANDLE_SHARED_TCP_SOCKET;
if (tcp_connection) {
uv_connection_init((uv_stream_t*)tcp);
}
if (socket_protocol_info->iAddressFamily == AF_INET6) {
tcp->flags |= UV_HANDLE_IPV6;
}
return uv_tcp_set_socket(tcp->loop, tcp, socket, 1);
if (uv_tcp_set_socket(tcp->loop, tcp, socket, 1) != 0) {
return -1;
}
tcp->loop->active_tcp_streams++;
return 0;
}
@ -1097,28 +1176,24 @@ int uv_tcp_keepalive(uv_tcp_t* handle, int enable, unsigned int delay) {
int uv_tcp_duplicate_socket(uv_tcp_t* handle, int pid,
LPWSAPROTOCOL_INFOW protocol_info) {
assert(!(handle->flags & UV_HANDLE_CONNECTION));
if (!(handle->flags & UV_HANDLE_CONNECTION)) {
/*
* We're about to share the socket with another process. Because
* this is a listening socket, we assume that the other process will
* be accepting connections on it. So, before sharing the socket
* with another process, we call listen here in the parent process.
*/
/*
* We're about to share the socket with another process. Because
* this is a listening socket, we assume that the other process will
* be accepting connections on it. So, before sharing the socket
* with another process, we call listen here in the parent process.
* This needs to be modified if the socket is shared with
* another process for anything other than accepting connections.
*/
if (!(handle->flags & UV_HANDLE_LISTENING)) {
if (!(handle->flags & UV_HANDLE_BOUND)) {
uv__set_artificial_error(handle->loop, UV_EINVAL);
return -1;
if (!(handle->flags & UV_HANDLE_LISTENING)) {
if (!(handle->flags & UV_HANDLE_BOUND)) {
uv__set_artificial_error(handle->loop, UV_EINVAL);
return -1;
}
if (listen(handle->socket, SOMAXCONN) == SOCKET_ERROR) {
uv__set_sys_error(handle->loop, WSAGetLastError());
return -1;
}
}
if (listen(handle->socket, SOMAXCONN) == SOCKET_ERROR) {
uv__set_sys_error(handle->loop, WSAGetLastError());
return -1;
}
handle->flags |= UV_HANDLE_SHARED_TCP_SERVER;
}
if (WSADuplicateSocketW(handle->socket, pid, protocol_info)) {
@ -1126,6 +1201,8 @@ int uv_tcp_duplicate_socket(uv_tcp_t* handle, int pid,
return -1;
}
handle->flags |= UV_HANDLE_SHARED_TCP_SOCKET;
return 0;
}
@ -1161,4 +1238,46 @@ int uv_tcp_simultaneous_accepts(uv_tcp_t* handle, int enable) {
}
return 0;
}
}
void uv_tcp_close(uv_tcp_t* tcp) {
int non_ifs_lsp;
int close_socket = 1;
/*
* In order for winsock to do a graceful close there must not be
* any pending reads.
*/
if (tcp->flags & UV_HANDLE_READ_PENDING) {
/* Just do shutdown on non-shared sockets, which ensures graceful close. */
if (!(tcp->flags & UV_HANDLE_SHARED_TCP_SOCKET)) {
shutdown(tcp->socket, SD_SEND);
tcp->flags |= UV_HANDLE_SHUT;
} else {
/* Check if we have any non-IFS LSPs stacked on top of TCP */
non_ifs_lsp = (tcp->flags & UV_HANDLE_IPV6) ? uv_tcp_non_ifs_lsp_ipv6 :
uv_tcp_non_ifs_lsp_ipv4;
if (!non_ifs_lsp) {
/*
* Shared socket with no non-IFS LSPs, request to cancel pending I/O.
* The socket will be closed inside endgame.
*/
CancelIo((HANDLE)tcp->socket);
close_socket = 0;
}
}
}
tcp->flags &= ~(UV_HANDLE_READING | UV_HANDLE_LISTENING);
if (close_socket) {
closesocket(tcp->socket);
tcp->flags |= UV_HANDLE_TCP_SOCKET_CLOSED;
}
if (tcp->reqs_pending == 0) {
uv_want_endgame(tcp->loop, (uv_handle_t*)tcp);
}
}

216
test/run-tests.c
View File

@ -32,6 +32,11 @@
/* The time in milliseconds after which a single test times out. */
#define TEST_TIMEOUT 5000
int ipc_helper(int listen_after_write);
int ipc_helper_tcp_connection(void);
int ipc_send_recv_helper(void);
int stdio_over_pipes_helper(void);
static int maybe_run_test(int argc, char **argv);
@ -51,212 +56,6 @@ int main(int argc, char **argv) {
}
static uv_pipe_t channel;
static uv_tcp_t tcp_server;
static uv_write_t conn_notify_req;
static int close_cb_called;
static int connection_accepted;
static uv_pipe_t stdin_pipe;
static uv_pipe_t stdout_pipe;
static int on_pipe_read_called;
static int after_write_called;
static void close_cb(uv_handle_t* handle) {
close_cb_called++;
}
static void close_conn_cb(uv_handle_t* handle) {
free(handle);
close_cb_called++;
}
void conn_notify_write_cb(uv_write_t* req, int status) {
uv_close((uv_handle_t*)&tcp_server, close_cb);
uv_close((uv_handle_t*)&channel, close_cb);
}
static void ipc_on_connection(uv_stream_t* server, int status) {
int r;
uv_buf_t buf;
uv_tcp_t* conn;
if (!connection_accepted) {
/*
* Accept the connection and close it. Also let the other
* side know.
*/
ASSERT(status == 0);
ASSERT((uv_stream_t*)&tcp_server == server);
conn = malloc(sizeof(*conn));
ASSERT(conn);
r = uv_tcp_init(server->loop, conn);
ASSERT(r == 0);
r = uv_accept(server, (uv_stream_t*)conn);
ASSERT(r == 0);
uv_close((uv_handle_t*)conn, close_conn_cb);
buf = uv_buf_init("accepted_connection\n", 20);
r = uv_write2(&conn_notify_req, (uv_stream_t*)&channel, &buf, 1,
NULL, conn_notify_write_cb);
ASSERT(r == 0);
connection_accepted = 1;
}
}
static int ipc_helper(int listen_after_write) {
/*
* This is launched from test-ipc.c. stdin is a duplex channel that we
* over which a handle will be transmitted. In this initial version only
* data is transfered over the channel. XXX edit this comment after handle
* transfer is added.
*/
uv_write_t write_req;
int r;
uv_buf_t buf;
r = uv_pipe_init(uv_default_loop(), &channel, 1);
ASSERT(r == 0);
uv_pipe_open(&channel, 0);
ASSERT(uv_is_readable((uv_stream_t*) &channel));
ASSERT(uv_is_writable((uv_stream_t*) &channel));
r = uv_tcp_init(uv_default_loop(), &tcp_server);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server, uv_ip4_addr("0.0.0.0", TEST_PORT));
ASSERT(r == 0);
if (!listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection);
ASSERT(r == 0);
}
buf = uv_buf_init("hello\n", 6);
r = uv_write2(&write_req, (uv_stream_t*)&channel, &buf, 1,
(uv_stream_t*)&tcp_server, NULL);
ASSERT(r == 0);
if (listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection);
ASSERT(r == 0);
}
r = uv_run(uv_default_loop());
ASSERT(r == 0);
ASSERT(connection_accepted == 1);
ASSERT(close_cb_called == 3);
return 0;
}
void on_pipe_read(uv_stream_t* tcp, ssize_t nread, uv_buf_t buf) {
ASSERT(nread > 0);
ASSERT(memcmp("hello world\n", buf.base, nread) == 0);
on_pipe_read_called++;
free(buf.base);
uv_close((uv_handle_t*)&stdin_pipe, close_cb);
uv_close((uv_handle_t*)&stdout_pipe, close_cb);
}
static uv_buf_t on_pipe_read_alloc(uv_handle_t* handle,
size_t suggested_size) {
uv_buf_t buf;
buf.base = (char*)malloc(suggested_size);
buf.len = suggested_size;
return buf;
}
static void after_pipe_write(uv_write_t* req, int status) {
ASSERT(status == 0);
after_write_called++;
}
static int stdio_over_pipes_helper() {
/* Write several buffers to test that the write order is preserved. */
char* buffers[] = {
"he",
"ll",
"o ",
"wo",
"rl",
"d",
"\n"
};
uv_write_t write_req[ARRAY_SIZE(buffers)];
uv_buf_t buf[ARRAY_SIZE(buffers)];
int r, i;
uv_loop_t* loop = uv_default_loop();
ASSERT(UV_NAMED_PIPE == uv_guess_handle(0));
ASSERT(UV_NAMED_PIPE == uv_guess_handle(1));
r = uv_pipe_init(loop, &stdin_pipe, 0);
ASSERT(r == 0);
r = uv_pipe_init(loop, &stdout_pipe, 0);
ASSERT(r == 0);
uv_pipe_open(&stdin_pipe, 0);
uv_pipe_open(&stdout_pipe, 1);
/* Unref both stdio handles to make sure that all writes complete. */
uv_unref(loop);
uv_unref(loop);
for (i = 0; i < ARRAY_SIZE(buffers); i++) {
buf[i] = uv_buf_init((char*)buffers[i], strlen(buffers[i]));
}
for (i = 0; i < ARRAY_SIZE(buffers); i++) {
r = uv_write(&write_req[i], (uv_stream_t*)&stdout_pipe, &buf[i], 1,
after_pipe_write);
ASSERT(r == 0);
}
uv_run(loop);
ASSERT(after_write_called == 7);
ASSERT(on_pipe_read_called == 0);
ASSERT(close_cb_called == 0);
uv_ref(loop);
uv_ref(loop);
r = uv_read_start((uv_stream_t*)&stdin_pipe, on_pipe_read_alloc,
on_pipe_read);
ASSERT(r == 0);
uv_run(loop);
ASSERT(after_write_called == 7);
ASSERT(on_pipe_read_called == 1);
ASSERT(close_cb_called == 2);
return 0;
}
static int maybe_run_test(int argc, char **argv) {
if (strcmp(argv[1], "--list") == 0) {
print_tests(stdout);
@ -272,10 +71,13 @@ static int maybe_run_test(int argc, char **argv) {
}
if (strcmp(argv[1], "ipc_send_recv_helper") == 0) {
int ipc_send_recv_helper(void); /* See test-ipc-send-recv.c */
return ipc_send_recv_helper();
}
if (strcmp(argv[1], "ipc_helper_tcp_connection") == 0) {
return ipc_helper_tcp_connection();
}
if (strcmp(argv[1], "stdio_over_pipes_helper") == 0) {
return stdio_over_pipes_helper();
}

347
test/test-ipc.c
View File

@ -27,17 +27,28 @@
static uv_pipe_t channel;
static uv_tcp_t tcp_server;
static uv_tcp_t tcp_connection;
static int exit_cb_called;
static int read2_cb_called;
static int tcp_write_cb_called;
static int tcp_read_cb_called;
static int on_pipe_read_called;
static int local_conn_accepted;
static int remote_conn_accepted;
static int tcp_server_listening;
static uv_write_t write_req;
static uv_pipe_t channel;
static uv_tcp_t tcp_server;
static uv_write_t conn_notify_req;
static int close_cb_called;
static int connection_accepted;
static int tcp_conn_read_cb_called;
static int tcp_conn_write_cb_called;
typedef struct {
uv_connect_t conn_req;
uv_write_t tcp_write_req;
uv_tcp_t conn;
} tcp_conn;
@ -49,7 +60,7 @@ static void close_server_conn_cb(uv_handle_t* handle) {
}
static void ipc_on_connection(uv_stream_t* server, int status) {
static void on_connection(uv_stream_t* server, int status) {
uv_tcp_t* conn;
int r;
@ -156,7 +167,7 @@ static void on_read(uv_pipe_t* pipe, ssize_t nread, uv_buf_t buf,
r = uv_accept((uv_stream_t*)pipe, (uv_stream_t*)&tcp_server);
ASSERT(r == 0);
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection);
r = uv_listen((uv_stream_t*)&tcp_server, 12, on_connection);
ASSERT(r == 0);
tcp_server_listening = 1;
@ -214,32 +225,127 @@ void spawn_helper(uv_pipe_t* channel,
}
static int run_ipc_test(const char* helper) {
static void on_tcp_write(uv_write_t* req, int status) {
ASSERT(status == 0);
ASSERT(req->handle == (uv_stream_t*)&tcp_connection);
tcp_write_cb_called++;
}
static uv_buf_t on_read_alloc(uv_handle_t* handle, size_t suggested_size) {
uv_buf_t buf;
buf.base = (char*)malloc(suggested_size);
buf.len = suggested_size;
return buf;
}
static void on_tcp_read(uv_stream_t* tcp, ssize_t nread, uv_buf_t buf) {
ASSERT(nread > 0);
ASSERT(memcmp("hello again\n", buf.base, nread) == 0);
ASSERT(tcp == (uv_stream_t*)&tcp_connection);
free(buf.base);
tcp_read_cb_called++;
uv_close((uv_handle_t*)tcp, NULL);
uv_close((uv_handle_t*)&channel, NULL);
}
static void on_read_connection(uv_pipe_t* pipe, ssize_t nread, uv_buf_t buf,
uv_handle_type pending) {
int r;
uv_buf_t outbuf;
uv_err_t err;
if (nread == 0) {
/* Everything OK, but nothing read. */
free(buf.base);
return;
}
if (nread < 0) {
err = uv_last_error(pipe->loop);
if (err.code == UV_EOF) {
free(buf.base);
return;
}
printf("error recving on channel: %s\n", uv_strerror(err));
abort();
}
fprintf(stderr, "got %d bytes\n", (int)nread);
ASSERT(nread > 0 && buf.base && pending != UV_UNKNOWN_HANDLE);
read2_cb_called++;
/* Accept the pending TCP connection */
ASSERT(pending == UV_TCP);
r = uv_tcp_init(uv_default_loop(), &tcp_connection);
ASSERT(r == 0);
r = uv_accept((uv_stream_t*)pipe, (uv_stream_t*)&tcp_connection);
ASSERT(r == 0);
/* Make sure that the expected data is correctly multiplexed. */
ASSERT(memcmp("hello\n", buf.base, nread) == 0);
/* Write/read to/from the connection */
outbuf = uv_buf_init("world\n", 6);
r = uv_write(&write_req, (uv_stream_t*)&tcp_connection, &outbuf, 1,
on_tcp_write);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*)&tcp_connection, on_read_alloc, on_tcp_read);
ASSERT(r == 0);
free(buf.base);
}
static int run_ipc_test(const char* helper, uv_read2_cb read_cb) {
uv_process_t process;
int r;
spawn_helper(&channel, &process, helper);
uv_read2_start((uv_stream_t*)&channel, on_alloc, on_read);
uv_read2_start((uv_stream_t*)&channel, on_alloc, read_cb);
r = uv_run(uv_default_loop());
ASSERT(r == 0);
ASSERT(local_conn_accepted == 1);
ASSERT(remote_conn_accepted == 1);
ASSERT(read2_cb_called == 1);
ASSERT(exit_cb_called == 1);
return 0;
}
TEST_IMPL(ipc_listen_before_write) {
return run_ipc_test("ipc_helper_listen_before_write");
int r = run_ipc_test("ipc_helper_listen_before_write", on_read);
ASSERT(local_conn_accepted == 1);
ASSERT(remote_conn_accepted == 1);
ASSERT(read2_cb_called == 1);
ASSERT(exit_cb_called == 1);
return r;
}
TEST_IMPL(ipc_listen_after_write) {
return run_ipc_test("ipc_helper_listen_after_write");
int r = run_ipc_test("ipc_helper_listen_after_write", on_read);
ASSERT(local_conn_accepted == 1);
ASSERT(remote_conn_accepted == 1);
ASSERT(read2_cb_called == 1);
ASSERT(exit_cb_called == 1);
return r;
}
TEST_IMPL(ipc_tcp_connection) {
int r = run_ipc_test("ipc_helper_tcp_connection", on_read_connection);
ASSERT(read2_cb_called == 1);
ASSERT(tcp_write_cb_called == 1);
ASSERT(tcp_read_cb_called == 1);
ASSERT(exit_cb_called == 1);
return r;
}
@ -287,3 +393,220 @@ TEST_IMPL(listen_no_simultaneous_accepts) {
return 0;
}
#endif
/* Everything here runs in a child process. */
tcp_conn conn;
static void close_cb(uv_handle_t* handle) {
close_cb_called++;
}
static void conn_notify_write_cb(uv_write_t* req, int status) {
uv_close((uv_handle_t*)&tcp_server, close_cb);
uv_close((uv_handle_t*)&channel, close_cb);
}
static void tcp_connection_write_cb(uv_write_t* req, int status) {
ASSERT((uv_handle_t*)&conn.conn == (uv_handle_t*)req->handle);
uv_close((uv_handle_t*)req->handle, close_cb);
uv_close((uv_handle_t*)&channel, close_cb);
uv_close((uv_handle_t*)&tcp_server, close_cb);
tcp_conn_write_cb_called++;
}
static void on_tcp_child_process_read(uv_stream_t* tcp, ssize_t nread, uv_buf_t buf) {
uv_buf_t outbuf;
int r;
if (nread < 0) {
if (uv_last_error(tcp->loop).code == UV_EOF) {
free(buf.base);
return;
}
printf("error recving on tcp connection: %s\n",
uv_strerror(uv_last_error(tcp->loop)));
abort();
}
ASSERT(nread > 0);
ASSERT(memcmp("world\n", buf.base, nread) == 0);
on_pipe_read_called++;
free(buf.base);
/* Write to the socket */
outbuf = uv_buf_init("hello again\n", 12);
r = uv_write(&conn.tcp_write_req, tcp, &outbuf, 1, tcp_connection_write_cb);
ASSERT(r == 0);
tcp_conn_read_cb_called++;
}
static void connect_child_process_cb(uv_connect_t* req, int status) {
int r;
ASSERT(status == 0);
r = uv_read_start(req->handle, on_read_alloc, on_tcp_child_process_read);
ASSERT(r == 0);
}
static void ipc_on_connection(uv_stream_t* server, int status) {
int r;
uv_buf_t buf;
if (!connection_accepted) {
/*
* Accept the connection and close it. Also let the other
* side know.
*/
ASSERT(status == 0);
ASSERT((uv_stream_t*)&tcp_server == server);
r = uv_tcp_init(server->loop, &conn.conn);
ASSERT(r == 0);
r = uv_accept(server, (uv_stream_t*)&conn.conn);
ASSERT(r == 0);
uv_close((uv_handle_t*)&conn.conn, close_cb);
buf = uv_buf_init("accepted_connection\n", 20);
r = uv_write2(&conn_notify_req, (uv_stream_t*)&channel, &buf, 1,
NULL, conn_notify_write_cb);
ASSERT(r == 0);
connection_accepted = 1;
}
}
static void ipc_on_connection_tcp_conn(uv_stream_t* server, int status) {
int r;
uv_buf_t buf;
uv_tcp_t* conn;
ASSERT(status == 0);
ASSERT((uv_stream_t*)&tcp_server == server);
conn = malloc(sizeof(*conn));
ASSERT(conn);
r = uv_tcp_init(server->loop, conn);
ASSERT(r == 0);
r = uv_accept(server, (uv_stream_t*)conn);
ASSERT(r == 0);
/* Send the accepted connection to the other process */
buf = uv_buf_init("hello\n", 6);
r = uv_write2(&conn_notify_req, (uv_stream_t*)&channel, &buf, 1,
(uv_stream_t*)conn, NULL);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*)conn, on_read_alloc, on_tcp_child_process_read);
ASSERT(r == 0);
uv_close((uv_handle_t*)conn, close_cb);
}
int ipc_helper(int listen_after_write) {
/*
* This is launched from test-ipc.c. stdin is a duplex channel that we
* over which a handle will be transmitted.
*/
uv_write_t write_req;
int r;
uv_buf_t buf;
r = uv_pipe_init(uv_default_loop(), &channel, 1);
ASSERT(r == 0);
uv_pipe_open(&channel, 0);
ASSERT(uv_is_readable((uv_stream_t*) &channel));
ASSERT(uv_is_writable((uv_stream_t*) &channel));
r = uv_tcp_init(uv_default_loop(), &tcp_server);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server, uv_ip4_addr("0.0.0.0", TEST_PORT));
ASSERT(r == 0);
if (!listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection);
ASSERT(r == 0);
}
buf = uv_buf_init("hello\n", 6);
r = uv_write2(&write_req, (uv_stream_t*)&channel, &buf, 1,
(uv_stream_t*)&tcp_server, NULL);
ASSERT(r == 0);
if (listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection);
ASSERT(r == 0);
}
r = uv_run(uv_default_loop());
ASSERT(r == 0);
ASSERT(connection_accepted == 1);
ASSERT(close_cb_called == 3);
return 0;
}
int ipc_helper_tcp_connection() {
/*
* This is launched from test-ipc.c. stdin is a duplex channel that we
* over which a handle will be transmitted.
*/
int r;
struct sockaddr_in addr;
r = uv_pipe_init(uv_default_loop(), &channel, 1);
ASSERT(r == 0);
uv_pipe_open(&channel, 0);
ASSERT(uv_is_readable((uv_stream_t*)&channel));
ASSERT(uv_is_writable((uv_stream_t*)&channel));
r = uv_tcp_init(uv_default_loop(), &tcp_server);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server, uv_ip4_addr("0.0.0.0", TEST_PORT));
ASSERT(r == 0);
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection_tcp_conn);
ASSERT(r == 0);
/* Make a connection to the server */
r = uv_tcp_init(uv_default_loop(), &conn.conn);
ASSERT(r == 0);
addr = uv_ip4_addr("127.0.0.1", TEST_PORT);
r = uv_tcp_connect(&conn.conn_req, (uv_tcp_t*)&conn.conn, addr, connect_child_process_cb);
ASSERT(r == 0);
r = uv_run(uv_default_loop());
ASSERT(r == 0);
ASSERT(tcp_conn_read_cb_called == 1);
ASSERT(tcp_conn_write_cb_called == 1);
ASSERT(close_cb_called == 4);
return 0;
}

2
test/test-list.h
View File

@ -26,6 +26,7 @@ TEST_DECLARE (ipc_listen_before_write)
TEST_DECLARE (ipc_listen_after_write)
TEST_DECLARE (ipc_send_recv_pipe)
TEST_DECLARE (ipc_send_recv_tcp)
TEST_DECLARE (ipc_tcp_connection)
TEST_DECLARE (tcp_ping_pong)
TEST_DECLARE (tcp_ping_pong_v6)
TEST_DECLARE (pipe_ping_pong)
@ -180,6 +181,7 @@ TASK_LIST_START
TEST_ENTRY (ipc_listen_after_write)
TEST_ENTRY (ipc_send_recv_pipe)
TEST_ENTRY (ipc_send_recv_tcp)
TEST_ENTRY (ipc_tcp_connection)
TEST_ENTRY (tcp_ping_pong)
TEST_HELPER (tcp_ping_pong, tcp4_echo_server)

99
test/test-stdio-over-pipes.c
View File

@ -40,6 +40,7 @@ static uv_loop_t* loop;
static char output[OUTPUT_SIZE];
static int output_used;
typedef struct {
uv_write_t req;
uv_buf_t buf;
@ -155,3 +156,101 @@ TEST_IMPL(stdio_over_pipes) {
return 0;
}
/* Everything here runs in a child process. */
static int on_pipe_read_called;
static int after_write_called;
static uv_pipe_t stdin_pipe;
static uv_pipe_t stdout_pipe;
static void on_pipe_read(uv_stream_t* tcp, ssize_t nread, uv_buf_t buf) {
ASSERT(nread > 0);
ASSERT(memcmp("hello world\n", buf.base, nread) == 0);
on_pipe_read_called++;
free(buf.base);
uv_close((uv_handle_t*)&stdin_pipe, close_cb);
uv_close((uv_handle_t*)&stdout_pipe, close_cb);
}
static void after_pipe_write(uv_write_t* req, int status) {
ASSERT(status == 0);
after_write_called++;
}
static uv_buf_t on_read_alloc(uv_handle_t* handle,
size_t suggested_size) {
uv_buf_t buf;
buf.base = (char*)malloc(suggested_size);
buf.len = suggested_size;
return buf;
}
int stdio_over_pipes_helper() {
/* Write several buffers to test that the write order is preserved. */
char* buffers[] = {
"he",
"ll",
"o ",
"wo",
"rl",
"d",
"\n"
};
uv_write_t write_req[ARRAY_SIZE(buffers)];
uv_buf_t buf[ARRAY_SIZE(buffers)];
int r, i;
uv_loop_t* loop = uv_default_loop();
ASSERT(UV_NAMED_PIPE == uv_guess_handle(0));
ASSERT(UV_NAMED_PIPE == uv_guess_handle(1));
r = uv_pipe_init(loop, &stdin_pipe, 0);
ASSERT(r == 0);
r = uv_pipe_init(loop, &stdout_pipe, 0);
ASSERT(r == 0);
uv_pipe_open(&stdin_pipe, 0);
uv_pipe_open(&stdout_pipe, 1);
/* Unref both stdio handles to make sure that all writes complete. */
uv_unref(loop);
uv_unref(loop);
for (i = 0; i < ARRAY_SIZE(buffers); i++) {
buf[i] = uv_buf_init((char*)buffers[i], strlen(buffers[i]));
}
for (i = 0; i < ARRAY_SIZE(buffers); i++) {
r = uv_write(&write_req[i], (uv_stream_t*)&stdout_pipe, &buf[i], 1,
after_pipe_write);
ASSERT(r == 0);
}
uv_run(loop);
ASSERT(after_write_called == 7);
ASSERT(on_pipe_read_called == 0);
ASSERT(close_cb_called == 0);
uv_ref(loop);
uv_ref(loop);
r = uv_read_start((uv_stream_t*)&stdin_pipe, on_read_alloc,
on_pipe_read);
ASSERT(r == 0);
uv_run(loop);
ASSERT(after_write_called == 7);
ASSERT(on_pipe_read_called == 1);
ASSERT(close_cb_called == 2);
return 0;
}