static int swPort_onRead_raw(swReactor *reactor, swListenPort *port, swEvent *event)
{
int ret = 0, n;
swServer *serv = reactor->ptr;
swDispatchData task;
swConnection *conn = swServer_connection_get(serv, event->fd);
#ifdef SW_USE_OPENSSL
if (swPort_check_ssl_state(port, conn) < 0)
{
goto close_fd;
}
#endif
n = swConnection_recv(conn, task.data.data, SW_BUFFER_SIZE, 0);
if (n < 0)
{
switch (swConnection_error(errno))
{
case SW_ERROR:
swSysError("recv from connection#%d failed.", event->fd);
return SW_OK;
case SW_CLOSE:
goto close_fd;
default:
return SW_OK;
}
}
else if (n == 0)
{
close_fd: swReactorThread_onClose(reactor, event);
return SW_OK;
}
else
{
conn->last_time = SwooleGS->now;
task.data.info.fd = event->fd;
task.data.info.from_id = event->from_id;
task.data.info.len = n;
task.data.info.type = SW_EVENT_TCP;
task.target_worker_id = -1;
#ifdef SW_USE_RINGBUFFER
if (serv->factory_mode == SW_MODE_PROCESS)
{
ret = swReactorThread_dispatch(conn, task.data.data, task.data.info.len);
}
else
#else
{
ret = serv->factory.dispatch(&serv->factory, &task);
}
#endif
return ret;
}
return SW_OK;
}
static int swPort_websocket_onPackage(swConnection *conn, char *data, uint32_t length)
{
swString frame;
bzero(&frame, sizeof(frame));
frame.str = data;
frame.length = length;
swString send_frame;
bzero(&send_frame, sizeof(send_frame));
char buf[32];
send_frame.str = buf;
send_frame.size = sizeof(buf);
swWebSocket_frame ws;
swWebSocket_decode(&ws, &frame);
size_t offset;
switch (ws.header.OPCODE)
{
case WEBSOCKET_OPCODE_CONTINUATION_FRAME:
case WEBSOCKET_OPCODE_TEXT_FRAME:
case WEBSOCKET_OPCODE_BINARY_FRAME:
offset = length - ws.payload_length - 2;
data[offset] = ws.header.FIN;
data[offset + 1] = ws.header.OPCODE;
swReactorThread_dispatch(conn, data + offset, length - offset);
break;
case WEBSOCKET_OPCODE_PING:
if (length == 2)
{
return SW_ERR;
}
swWebSocket_encode(&send_frame, data += 2, length - 2, WEBSOCKET_OPCODE_PONG, 1, 0);
swConnection_send(conn, send_frame.str, send_frame.length, 0);
break;
case WEBSOCKET_OPCODE_PONG:
return SW_ERR;
case WEBSOCKET_OPCODE_CONNECTION_CLOSE:
if (0x7d < (length - 2))
{
return SW_ERR;
}
send_frame.str[0] = 0x88;
send_frame.str[1] = 0x00;
send_frame.length = 2;
swConnection_send(conn, send_frame.str, 2, 0);
return SW_ERR;
}
return SW_OK;
}
static int swPort_onRead_raw(swReactor *reactor, swListenPort *port, swEvent *event)
{
int n;
swDispatchData task;
swConnection *conn = event->socket;
n = swConnection_recv(conn, task.data.data, SW_BUFFER_SIZE, 0);
if (n < 0)
{
switch (swConnection_error(errno))
{
case SW_ERROR:
swSysError("recv from connection#%d failed.", event->fd);
return SW_OK;
case SW_CLOSE:
conn->close_errno = errno;
goto close_fd;
default:
return SW_OK;
}
}
else if (n == 0)
{
close_fd: swReactorThread_onClose(reactor, event);
return SW_OK;
}
else
{
task.data.info.fd = event->fd;
task.data.info.from_id = event->from_id;
task.data.info.len = n;
task.data.info.type = SW_EVENT_TCP;
task.target_worker_id = -1;
return swReactorThread_dispatch(conn, task.data.data, task.data.info.len);
}
return SW_OK;
}
/**
* For Http Protocol
*/
static int swPort_onRead_http(swReactor *reactor, swListenPort *port, swEvent *event)
{
swConnection *conn = event->socket;
if (conn->websocket_status >= WEBSOCKET_STATUS_HANDSHAKE)
{
if (conn->http_upgrade == 0)
{
swHttpRequest_free(conn);
conn->websocket_status = WEBSOCKET_STATUS_ACTIVE;
conn->http_upgrade = 1;
}
return swPort_onRead_check_length(reactor, port, event);
}
#ifdef SW_USE_HTTP2
if (conn->http2_stream)
{
return swPort_onRead_check_length(reactor, port, event);
}
#endif
int n = 0;
char *buf;
int buf_len;
swHttpRequest *request = NULL;
swProtocol *protocol = &port->protocol;
//new http request
if (conn->object == NULL)
{
request = sw_malloc(sizeof(swHttpRequest));
bzero(request, sizeof(swHttpRequest));
conn->object = request;
}
else
{
request = (swHttpRequest *) conn->object;
}
if (!request->buffer)
{
request->buffer = swString_new(SW_HTTP_HEADER_MAX_SIZE);
//alloc memory failed.
if (!request->buffer)
{
swReactorThread_onClose(reactor, event);
return SW_ERR;
}
}
swString *buffer = request->buffer;
recv_data:
buf = buffer->str + buffer->length;
buf_len = buffer->size - buffer->length;
n = swConnection_recv(conn, buf, buf_len, 0);
if (n < 0)
{
switch (swConnection_error(errno))
{
case SW_ERROR:
swSysError("recv from connection#%d failed.", event->fd);
return SW_OK;
case SW_CLOSE:
conn->close_errno = errno;
goto close_fd;
default:
return SW_OK;
}
}
else if (n == 0)
{
close_fd:
swHttpRequest_free(conn);
swReactorThread_onClose(reactor, event);
return SW_OK;
}
else
{
buffer->length += n;
if (request->method == 0 && swHttpRequest_get_protocol(request) < 0)
{
if (request->buffer->length < SW_HTTP_HEADER_MAX_SIZE)
{
return SW_OK;
}
swWarn("get protocol failed.");
#ifdef SW_HTTP_BAD_REQUEST
if (swConnection_send(conn, SW_STRL(SW_HTTP_BAD_REQUEST) - 1, 0) < 0)
{
swSysError("send() failed.");
}
#endif
goto close_fd;
}
if (request->method > HTTP_PRI)
{
swWarn("method no support");
goto close_fd;
}
#ifdef SW_USE_HTTP2
else if (request->method == HTTP_PRI)
{
conn->http2_stream = 1;
swHttp2_send_setting_frame(protocol, conn);
if (n == sizeof(SW_HTTP2_PRI_STRING) - 1)
{
swHttpRequest_free(conn);
return SW_OK;
}
swHttp2_parse_frame(protocol, conn, buf + (sizeof(SW_HTTP2_PRI_STRING) - 1), n - (sizeof(SW_HTTP2_PRI_STRING) - 1));
swHttpRequest_free(conn);
return SW_OK;
}
#endif
if (request->content_length == 0)
{
if (swHttpRequest_get_content_length(request) < 0)
{
if (memcmp(buffer->str + buffer->length - 4, "\r\n\r\n", 4) == 0)
{
swReactorThread_dispatch(conn, buffer->str, buffer->length);
swHttpRequest_free(conn);
return SW_OK;
}
else if (buffer->size == buffer->length)
{
swWarn("[0]http header is too long.");
goto close_fd;
}
//wait more data
else
{
goto recv_data;
}
}
else if (request->content_length > (protocol->package_max_length - SW_HTTP_HEADER_MAX_SIZE))
{
swWarn("Content-Length is too big, MaxSize=[%d].", protocol->package_max_length - SW_HTTP_HEADER_MAX_SIZE);
goto close_fd;
}
}
//http header is not the end
if (request->header_length == 0)
{
if (swHttpRequest_get_header_length(request) < 0)
{
if (buffer->size == buffer->length)
{
swWarn("[2]http header is too long.");
goto close_fd;
}
else
{
goto recv_data;
}
}
}
//total length
uint32_t request_size = request->content_length + request->header_length;
if (request_size > buffer->size && swString_extend(buffer, request_size) < 0)
{
goto close_fd;
}
//discard the redundant data
if (buffer->length > request_size)
{
buffer->length = request_size;
}
if (buffer->length == request_size)
{
swReactorThread_dispatch(conn, buffer->str, buffer->length);
swHttpRequest_free(conn);
}
else
{
#ifdef SW_HTTP_100_CONTINUE
//Expect: 100-continue
if (swHttpRequest_has_expect_header(request))
{
swSendData _send;
_send.data = "HTTP/1.1 100 Continue\r\n\r\n";
_send.length = strlen(_send.data);
int send_times = 0;
direct_send:
n = swConnection_send(conn, _send.data, _send.length, 0);
if (n < _send.length)
{
_send.data += n;
_send.length -= n;
send_times++;
if (send_times < 10)
{
goto direct_send;
}
else
{
swWarn("send http header failed");
}
}
}
else
{
swTrace("PostWait: request->content_length=%d, buffer->length=%zd, request->header_length=%d\n",
request->content_length, buffer->length, request->header_length);
}
#endif
goto recv_data;
}
}
return SW_OK;
}
int swWebSocket_dispatch_frame(swConnection *conn, char *data, uint32_t length)
{
swString frame;
bzero(&frame, sizeof(frame));
frame.str = data;
frame.length = length;
swString send_frame;
bzero(&send_frame, sizeof(send_frame));
char buf[128];
send_frame.str = buf;
send_frame.size = sizeof(buf);
swWebSocket_frame ws;
swWebSocket_decode(&ws, &frame);
swString *frame_buffer;
int frame_length;
swListenPort *port;
size_t offset;
switch (ws.header.OPCODE)
{
case WEBSOCKET_OPCODE_CONTINUATION_FRAME:
frame_buffer = conn->websocket_buffer;
if (frame_buffer == NULL)
{
swWarn("bad frame[opcode=0]. remote_addr=%s:%d.", swConnection_get_ip(conn), swConnection_get_port(conn));
return SW_ERR;
}
offset = length - ws.payload_length;
frame_length = length - offset;
port = swServer_get_port(SwooleG.serv, conn->fd);
//frame data overflow
if (frame_buffer->length + frame_length > port->protocol.package_max_length)
{
swWarn("websocket frame is too big, remote_addr=%s:%d.", swConnection_get_ip(conn), swConnection_get_port(conn));
return SW_ERR;
}
//merge incomplete data
swString_append_ptr(frame_buffer, data + offset, frame_length);
//frame is finished, do dispatch
if (ws.header.FIN)
{
swReactorThread_dispatch(conn, frame_buffer->str, frame_buffer->length);
swString_free(frame_buffer);
conn->websocket_buffer = NULL;
}
break;
case WEBSOCKET_OPCODE_TEXT_FRAME:
case WEBSOCKET_OPCODE_BINARY_FRAME:
offset = length - ws.payload_length - 2;
data[offset] = 1;
data[offset + 1] = ws.header.OPCODE;
if (!ws.header.FIN)
{
if (conn->websocket_buffer)
{
swWarn("merging incomplete frame, bad request. remote_addr=%s:%d.", swConnection_get_ip(conn), swConnection_get_port(conn));
return SW_ERR;
}
conn->websocket_buffer = swString_dup(data + offset, length - offset);
}
else
{
swReactorThread_dispatch(conn, data + offset, length - offset);
}
break;
case WEBSOCKET_OPCODE_PING:
if (length >= (sizeof(buf) - 2))
{
swWarn("ping frame application data is too big. remote_addr=%s:%d.", swConnection_get_ip(conn), swConnection_get_port(conn));
return SW_ERR;
}
else if (length == 2)
{
swWebSocket_encode(&send_frame, NULL, 0, WEBSOCKET_OPCODE_PONG, 1, 0);
}
else
{
swWebSocket_encode(&send_frame, data += 2, length - 2, WEBSOCKET_OPCODE_PONG, 1, 0);
}
swConnection_send(conn, send_frame.str, send_frame.length, 0);
break;
case WEBSOCKET_OPCODE_PONG:
break;
case WEBSOCKET_OPCODE_CONNECTION_CLOSE:
if (0x7d < (length - 2))
{
return SW_ERR;
}
send_frame.str[0] = 0x88;
send_frame.str[1] = 0x00;
send_frame.length = 2;
swConnection_send(conn, send_frame.str, 2, 0);
return SW_ERR;
default:
swWarn("unknown opcode [%d].", ws.header.OPCODE);
break;
}
return SW_OK;
}
/**
* For Http Protocol
*/
static int swPort_onRead_http(swReactor *reactor, swListenPort *port, swEvent *event)
{
swConnection *conn = event->socket;
swServer *serv = reactor->ptr;
if (conn->websocket_status >= WEBSOCKET_STATUS_HANDSHAKE)
{
if (conn->http_upgrade == 0)
{
swHttpRequest_free(conn);
conn->websocket_status = WEBSOCKET_STATUS_ACTIVE;
conn->http_upgrade = 1;
}
return swPort_onRead_check_length(reactor, port, event);
}
#ifdef SW_USE_HTTP2
if (conn->http2_stream)
{
_parse_frame: return swPort_onRead_check_length(reactor, port, event);
}
#endif
int n = 0;
char *buf;
int buf_len;
swHttpRequest *request = NULL;
swProtocol *protocol = &port->protocol;
//new http request
if (conn->object == NULL)
{
request = sw_malloc(sizeof(swHttpRequest));
bzero(request, sizeof(swHttpRequest));
conn->object = request;
}
else
{
request = (swHttpRequest *) conn->object;
}
if (!request->buffer)
{
request->buffer = swString_new(SW_HTTP_HEADER_MAX_SIZE);
//alloc memory failed.
if (!request->buffer)
{
swReactorThread_onClose(reactor, event);
return SW_ERR;
}
}
swString *buffer = request->buffer;
recv_data:
buf = buffer->str + buffer->length;
buf_len = buffer->size - buffer->length;
n = swConnection_recv(conn, buf, buf_len, 0);
if (n < 0)
{
switch (swConnection_error(errno))
{
case SW_ERROR:
swSysError("recv from connection#%d failed.", event->fd);
return SW_OK;
case SW_CLOSE:
conn->close_errno = errno;
goto close_fd;
default:
return SW_OK;
}
}
else if (n == 0)
{
close_fd:
swHttpRequest_free(conn);
swReactorThread_onClose(reactor, event);
return SW_OK;
}
else
{
buffer->length += n;
if (request->method == 0 && swHttpRequest_get_protocol(request) < 0)
{
if (request->excepted == 0 && request->buffer->length < SW_HTTP_HEADER_MAX_SIZE)
{
return SW_OK;
}
swoole_error_log(SW_LOG_TRACE, SW_ERROR_HTTP_INVALID_PROTOCOL, "get protocol failed.");
#ifdef SW_HTTP_BAD_REQUEST_TIP
if (swConnection_send(conn, SW_STRL(SW_HTTP_BAD_REQUEST_TIP), 0) < 0)
{
swSysError("send() failed.");
}
#endif
goto close_fd;
}
if (request->method > HTTP_PRI)
{
swWarn("method no support");
goto close_fd;
}
#ifdef SW_USE_HTTP2
else if (request->method == HTTP_PRI)
{
conn->http2_stream = 1;
swHttp2_send_setting_frame(protocol, conn);
if (n == sizeof(SW_HTTP2_PRI_STRING) - 1)
{
swHttpRequest_free(conn);
return SW_OK;
}
swString *buffer = swServer_get_buffer(serv, event->fd);
if (!buffer)
{
goto close_fd;
}
swString_append_ptr(buffer, buf + (sizeof(SW_HTTP2_PRI_STRING) - 1), n - (sizeof(SW_HTTP2_PRI_STRING) - 1));
swHttpRequest_free(conn);
conn->skip_recv = 1;
goto _parse_frame;
}
#endif
//http header is not the end
if (request->header_length == 0)
{
if (swHttpRequest_get_header_length(request) < 0)
{
if (buffer->size == buffer->length)
{
swWarn("[2]http header is too long.");
goto close_fd;
}
else
{
goto recv_data;
}
}
}
//http body
if (request->content_length == 0)
{
swTraceLog(SW_TRACE_SERVER, "content-length=%u, keep-alive=%d", request->content_length, request->keep_alive);
// content length field not found
if (swHttpRequest_get_header_info(request) < 0)
{
/* the request is really no body */
if (buffer->length == request->header_length)
{
/**
* send static file content directly in the reactor thread
*/
if (!(serv->enable_static_handler && swPort_http_static_handler(request, conn)))
{
/**
* dynamic request, dispatch to worker
*/
swReactorThread_dispatch(conn, buffer->str, buffer->length);
}
swHttpRequest_free(conn);
return SW_OK;
}
else if (buffer->size == buffer->length)
{
swWarn("[0]http header is too long.");
goto close_fd;
}
/* wait more data */
else
{
goto recv_data;
}
}
else if (request->content_length > (protocol->package_max_length - request->header_length))
{
swWarn("Content-Length is too big, MaxSize=[%d].", protocol->package_max_length - request->header_length);
goto close_fd;
}
}
//total length
uint32_t request_size = request->header_length + request->content_length;
if (request_size > buffer->size && swString_extend(buffer, request_size) < 0)
{
goto close_fd;
}
//discard the redundant data
if (buffer->length > request_size)
{
buffer->length = request_size;
}
if (buffer->length == request_size)
{
swReactorThread_dispatch(conn, buffer->str, buffer->length);
swHttpRequest_free(conn);
}
else
{
#ifdef SW_HTTP_100_CONTINUE
//Expect: 100-continue
if (swHttpRequest_has_expect_header(request))
{
swSendData _send;
_send.data = "HTTP/1.1 100 Continue\r\n\r\n";
_send.length = strlen(_send.data);
int send_times = 0;
direct_send:
n = swConnection_send(conn, _send.data, _send.length, 0);
if (n < _send.length)
{
_send.data += n;
_send.length -= n;
send_times++;
if (send_times < 10)
{
goto direct_send;
}
else
{
swWarn("send http header failed");
}
}
}
else
{
swTrace("PostWait: request->content_length=%d, buffer->length=%zd, request->header_length=%d\n",
request->content_length, buffer->length, request->header_length);
}
#endif
goto recv_data;
}
}
return SW_OK;
}
/**
* For Http Protocol
*/
static int swPort_onRead_http(swReactor *reactor, swListenPort *port, swEvent *event)
{
swConnection *conn = event->socket;
#ifdef SW_USE_OPENSSL
if (swPort_check_ssl_state(port, conn) < 0)
{
goto close_fd;
}
#endif
if (conn->websocket_status >= WEBSOCKET_STATUS_HANDSHAKE)
{
if (conn->object != NULL)
{
swHttpRequest_free(conn);
conn->websocket_status = WEBSOCKET_STATUS_ACTIVE;
}
return swPort_onRead_check_length(reactor, port, event);
}
int n = 0;
char *buf;
int buf_len;
swHttpRequest *request = NULL;
swProtocol *protocol = &port->protocol;
//new http request
if (conn->object == NULL)
{
request = sw_malloc(sizeof(swHttpRequest));
bzero(request, sizeof(swHttpRequest));
conn->object = request;
}
else
{
request = (swHttpRequest *) conn->object;
}
if (!request->buffer)
{
request->buffer = swString_new(SW_HTTP_HEADER_MAX_SIZE);
//alloc memory failed.
if (!request->buffer)
{
swReactorThread_onClose(reactor, event);
return SW_ERR;
}
}
swString *buffer = request->buffer;
recv_data:
buf = buffer->str + buffer->length;
buf_len = buffer->size - buffer->length;
n = swConnection_recv(conn, buf, buf_len, 0);
if (n < 0)
{
switch (swConnection_error(errno))
{
case SW_ERROR:
swSysError("recv from connection#%d failed.", event->fd);
return SW_OK;
case SW_CLOSE:
goto close_fd;
default:
return SW_OK;
}
}
else if (n == 0)
{
close_fd:
swHttpRequest_free(conn);
swReactorThread_onClose(reactor, event);
return SW_OK;
}
else
{
conn->last_time = SwooleGS->now;
buffer->length += n;
if (request->method == 0 && swHttpRequest_get_protocol(request) < 0)
{
if (request->buffer->length < SW_HTTP_HEADER_MAX_SIZE)
{
return SW_OK;
}
swWarn("get protocol failed.");
#ifdef SW_HTTP_BAD_REQUEST
if (swConnection_send(conn, SW_STRL(SW_HTTP_BAD_REQUEST) - 1, 0) < 0)
{
swSysError("send() failed.");
}
#endif
goto close_fd;
}
swTrace("request->method=%d", request->method);
//DELETE
if (request->method == HTTP_DELETE)
{
if (request->content_length == 0 && swHttpRequest_have_content_length(request) == SW_FALSE)
{
goto http_no_entity;
}
else
{
goto http_entity;
}
}
//GET HEAD OPTIONS
else if (request->method == HTTP_GET || request->method == HTTP_HEAD || request->method == HTTP_OPTIONS)
{
http_no_entity:
if (memcmp(buffer->str + buffer->length - 4, "\r\n\r\n", 4) == 0)
{
swReactorThread_dispatch(conn, buffer->str, buffer->length);
swHttpRequest_free(conn);
}
else if (buffer->size == buffer->length)
{
swWarn("http header is too long.");
goto close_fd;
}
//wait more data
else
{
goto recv_data;
}
}
//POST PUT HTTP_PATCH
else if (request->method == HTTP_POST || request->method == HTTP_PUT || request->method == HTTP_PATCH)
{
http_entity:
if (request->content_length == 0)
{
if (swHttpRequest_get_content_length(request) < 0)
{
if (buffer->size == buffer->length)
{
swWarn("http header is too long.");
goto close_fd;
}
else
{
goto recv_data;
}
}
else if (request->content_length > protocol->package_max_length)
{
swWarn("content-length more than the package_max_length[%d].", protocol->package_max_length);
goto close_fd;
}
}
uint32_t request_size = 0;
//http header is not the end
if (request->header_length == 0)
{
if (buffer->size == buffer->length)
{
swWarn("http header is too long.");
goto close_fd;
}
if (swHttpRequest_get_header_length(request) < 0)
{
goto recv_data;
}
request_size = request->content_length + request->header_length;
}
else
{
request_size = request->content_length + request->header_length;
}
if (request_size > buffer->size && swString_extend(buffer, request_size) < 0)
{
goto close_fd;
}
//discard the redundant data
if (buffer->length > request_size)
{
buffer->length = request_size;
}
if (buffer->length == request_size)
{
swReactorThread_dispatch(conn, buffer->str, buffer->length);
swHttpRequest_free(conn);
}
else
{
#ifdef SW_HTTP_100_CONTINUE
//Expect: 100-continue
if (swHttpRequest_has_expect_header(request))
{
swSendData _send;
_send.data = "HTTP/1.1 100 Continue\r\n\r\n";
_send.length = strlen(_send.data);
int send_times = 0;
direct_send:
n = swConnection_send(conn, _send.data, _send.length, 0);
if (n < _send.length)
{
_send.data += n;
_send.length -= n;
send_times++;
if (send_times < 10)
{
goto direct_send;
}
else
{
swWarn("send http header failed");
}
}
}
else
{
swTrace("PostWait: request->content_length=%d, buffer->length=%zd, request->header_length=%d\n",
request->content_length, buffer->length, request->header_length);
}
#endif
goto recv_data;
}
}
else
{
swWarn("method no support");
goto close_fd;
}
}
return SW_OK;
}