1/*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2021. All rights reserved.
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 "unix_socket_client.h"
17#include <cstdint>
18#include <sys/socket.h>
19#include <unistd.h>
20#include <linux/un.h>
21#include "logging.h"
22#include "securec.h"
23#include "service_base.h"
24
25UnixSocketClient::UnixSocketClient()
26{
27    serviceBase_ = nullptr;
28    socketHandle_ = -1;
29}
30
31UnixSocketClient::~UnixSocketClient() {}
32
33bool UnixSocketClient::Connect(const std::string addrname, ServiceBase& serviceBase, void (*callback)())
34{
35    PROFILER_LOG_ERROR(LOG_CORE, "UnixSocketClient connect");
36    CHECK_TRUE(socketHandle_ == -1, false, "socketHandle_ != -1 Already Connected");
37
38    int sock = socket(AF_UNIX, SOCK_STREAM, 0);
39    CHECK_TRUE(sock != -1, false, "Unix Socket Create FAIL");
40
41    struct sockaddr_un addr;
42    if (memset_s(&addr, sizeof(struct sockaddr_un), 0, sizeof(struct sockaddr_un)) != EOK) {
43        PROFILER_LOG_ERROR(LOG_CORE, "memset_s error!");
44    }
45    addr.sun_family = AF_UNIX;
46    if (strncpy_s(addr.sun_path, sizeof(addr.sun_path), addrname.c_str(), sizeof(addr.sun_path) - 1) != EOK) {
47        PROFILER_LOG_ERROR(LOG_CORE, "strncpy_s error!");
48    }
49
50    CHECK_TRUE(connect(sock, (struct sockaddr*)&addr, sizeof(struct sockaddr_un)) != -1, close(sock) != 0,
51        "Unix Socket Connect FAIL");
52
53    serviceBase_ = &serviceBase;
54    struct RawPointToService rrs;
55    if (strncpy_s(rrs.serviceName_, sizeof(rrs.serviceName_),
56        serviceBase_->serviceName_.c_str(), serviceBase_->serviceName_.size()) != EOK) {
57        PROFILER_LOG_ERROR(LOG_CORE, "strncpy_s error!");
58    }
59    rrs.serviceName_[serviceBase_->serviceName_.size()] = 0;
60    CHECK_TRUE(
61        SendRaw(RAW_PROTOCOL_POINTTO_SERVICE, reinterpret_cast<int8_t*>(&rrs), sizeof(struct RawPointToService), sock),
62        close(sock) != 0, "Unix Socket SendRaw FAIL");
63    socketHandle_ = sock;
64    CHECK_TRUE(CreateRecvThread(callback), close(sock) != 0, "Unix Socket Create Recv Thread FAIL");
65
66    return true;
67}
68