1 /*
2 * Copyright (c) 2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "net_websocket_send_context.h"
17
18 #include "securec.h"
19 #include "netstack_log.h"
20
21 namespace OHOS::NetStack::NetWebSocket {
WebSocketSendContext(CJWebsocketProxy * websocketProxy)22 WebSocketSendContext::WebSocketSendContext(CJWebsocketProxy *websocketProxy)
23 : WebSocketBaseContext(websocketProxy), data(nullptr), length(0), protocol(LWS_WRITE_TEXT)
24 {
25 }
26
ParseParams(CArrUI8 params,bool stringType)27 void WebSocketSendContext::ParseParams(CArrUI8 params, bool stringType)
28 {
29 // set protocol
30 protocol = stringType ? LWS_WRITE_TEXT : LWS_WRITE_BINARY;
31 size_t len = static_cast<size_t>(params.size);
32 if (len == 0) {
33 NETSTACK_LOGE("no memory");
34 return;
35 };
36 // set data
37 // must have PRE and POST
38 size_t dataLen = static_cast<size_t>(LWS_SEND_BUFFER_PRE_PADDING + params.size + LWS_SEND_BUFFER_POST_PADDING);
39 if (dataLen == 0 || dataLen > MAX_LIMIT) {
40 NETSTACK_LOGE("WebSocketSendContext data is exceeded the limit");
41 return;
42 }
43 data = malloc(dataLen);
44 if (data == nullptr) {
45 NETSTACK_LOGE("no memory");
46 return;
47 }
48 if (memcpy_s(reinterpret_cast<void *>(reinterpret_cast<uint8_t *>(data) + LWS_SEND_BUFFER_PRE_PADDING),
49 len, params.head, len) < 0) {
50 NETSTACK_LOGE("copy failed");
51 free(data);
52 return;
53 }
54 // set length
55 length = len;
56 NETSTACK_LOGD("WebSocketSendContext SetParseOK");
57 SetParseOK(true);
58 }
59
GetErrorCode() const60 int32_t WebSocketSendContext::GetErrorCode() const
61 {
62 if (WebSocketBaseContext::IsPermissionDenied()) {
63 return WEBSOCKET_PERMISSION_DENIED_CODE;
64 }
65 auto err = WebSocketBaseContext::GetErrorCode();
66 if (WEBSOCKET_ERR_MAP.find(err) != WEBSOCKET_ERR_MAP.end()) {
67 return err;
68 }
69 return WEBSOCKET_CONNECT_FAILED;
70 }
71
GetErrorMessage() const72 std::string WebSocketSendContext::GetErrorMessage() const
73 {
74 auto err = WebSocketBaseContext::GetErrorCode();
75 auto it = WEBSOCKET_ERR_MAP.find(err);
76 if (it != WEBSOCKET_ERR_MAP.end()) {
77 return it->second;
78 }
79 it = WEBSOCKET_ERR_MAP.find(WEBSOCKET_UNKNOWN_OTHER_ERROR);
80 if (it != WEBSOCKET_ERR_MAP.end()) {
81 return it->second;
82 }
83 return {};
84 }
85 }