1 /*
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include "host/commands/cvd_send_sms/sms_sender.h"
17
18 #include <algorithm>
19 #include <codecvt>
20 #include <cstddef>
21 #include <iomanip>
22 #include <iostream>
23 #include <map>
24 #include <vector>
25
26 #include "android-base/logging.h"
27 #include "common/libs/fs/shared_buf.h"
28 #include "host/commands/cvd_send_sms/pdu_format_builder.h"
29
30 namespace cuttlefish {
31
SmsSender(SharedFD modem_simulator_client_fd)32 SmsSender::SmsSender(SharedFD modem_simulator_client_fd)
33 : modem_simulator_client_fd_(modem_simulator_client_fd) {}
34
Send(const std::string & content,const std::string & sender_number,uint32_t modem_id)35 bool SmsSender::Send(const std::string& content,
36 const std::string& sender_number, uint32_t modem_id) {
37 if (!modem_simulator_client_fd_->IsOpen()) {
38 LOG(ERROR) << "Failed to connect to remote modem simulator, error: "
39 << modem_simulator_client_fd_->StrError();
40 return false;
41 }
42 PDUFormatBuilder builder;
43 builder.SetUserData(content);
44 builder.SetSenderNumber(sender_number);
45 std::string pdu_format_str = builder.Build();
46 if (pdu_format_str.empty()) {
47 return false;
48 }
49 // https://cs.android.com/android/platform/superproject/+/master:device/google/cuttlefish/host/commands/modem_simulator/main.cpp;l=151;drc=cbfe7dba44bfea95049152b828c1a5d35c9e0522
50 std::string at_command = "REM" + std::to_string(modem_id) +
51 "AT+REMOTESMS=" + pdu_format_str + "\r";
52 if (WriteAll(modem_simulator_client_fd_, at_command) != at_command.size()) {
53 LOG(ERROR) << "Error writing to socket: "
54 << modem_simulator_client_fd_->StrError();
55 return false;
56 }
57 return true;
58 }
59 } // namespace cuttlefish
60