1 /*
2 * Copyright (C) 2021 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 "cs_conference.h"
17
18 #include <string>
19 #include <string_ex.h>
20 #include <list>
21
22 #include "call_base.h"
23 #include "call_object_manager.h"
24 #include "call_manager_errors.h"
25 #include "telephony_log_wrapper.h"
26 #include "call_manager_inner_type.h"
27
28 namespace OHOS {
29 namespace Telephony {
CsConference()30 CsConference::CsConference() : ConferenceBase()
31 {
32 conferenceType_ = CallType::TYPE_CS;
33 maxSubCallLimits_ = CS_CONFERENCE_MAX_CALLS_CNT;
34 // get from configuration file
35 #ifdef ABILITY_CONFIG_SUPPORT
36 maxSubCallLimits_ = GetConfig(CS_CONFERENCE_SUB_CALL_LIMITS);
37 #endif
38 }
39
~CsConference()40 CsConference::~CsConference() {}
41
JoinToConference(int32_t callId)42 int32_t CsConference::JoinToConference(int32_t callId)
43 {
44 std::lock_guard<std::mutex> lock(conferenceMutex_);
45 if (state_ != CONFERENCE_STATE_CREATING && state_ != CONFERENCE_STATE_ACTIVE &&
46 state_ != CONFERENCE_STATE_LEAVING) {
47 TELEPHONY_LOGE("the current conference status does not allow CombineConference");
48 return CALL_ERR_ILLEGAL_CALL_OPERATION;
49 }
50 if (subCallIdSet_.size() >= maxSubCallLimits_) {
51 TELEPHONY_LOGE("already %{public}zu calls in the conference, exceed limits!", subCallIdSet_.size());
52 return CALL_ERR_CONFERENCE_CALL_EXCEED_LIMIT;
53 }
54 subCallIdSet_.insert(callId);
55 state_ = CONFERENCE_STATE_ACTIVE;
56 beginTime_ = time(nullptr);
57 return TELEPHONY_SUCCESS;
58 }
59
LeaveFromConference(int32_t callId)60 int32_t CsConference::LeaveFromConference(int32_t callId)
61 {
62 std::lock_guard<std::mutex> lock(conferenceMutex_);
63 if (subCallIdSet_.find(callId) != subCallIdSet_.end()) {
64 subCallIdSet_.erase(callId);
65 } else {
66 TELEPHONY_LOGE("leave conference failed, callId %{public}d not in conference", callId);
67 return CALL_ERR_CONFERENCE_SEPERATE_FAILED;
68 }
69 if (subCallIdSet_.empty()) {
70 mainCallId_ = ERR_ID;
71 state_ = CONFERENCE_STATE_IDLE;
72 beginTime_ = 0;
73 }
74 return TELEPHONY_SUCCESS;
75 }
76
HoldConference(int32_t callId)77 int32_t CsConference::HoldConference(int32_t callId)
78 {
79 std::lock_guard<std::mutex> lock(conferenceMutex_);
80 if (state_ == CONFERENCE_STATE_HOLDING) {
81 TELEPHONY_LOGI("HoldConference success");
82 return TELEPHONY_SUCCESS;
83 }
84 if (subCallIdSet_.find(callId) != subCallIdSet_.end()) {
85 subCallIdSet_.erase(callId);
86 } else {
87 TELEPHONY_LOGE("separate conference failed, callId %{public}d not in conference", callId);
88 return CALL_ERR_CONFERENCE_SEPERATE_FAILED;
89 }
90 if (subCallIdSet_.empty()) {
91 mainCallId_ = ERR_ID;
92 state_ = CONFERENCE_STATE_IDLE;
93 beginTime_ = 0;
94 }
95 return TELEPHONY_SUCCESS;
96 }
97
CanCombineConference()98 int32_t CsConference::CanCombineConference()
99 {
100 std::lock_guard<std::mutex> lock(conferenceMutex_);
101 if (subCallIdSet_.size() >= maxSubCallLimits_) {
102 TELEPHONY_LOGE("there is %{public}zu calls in the conference yet!", subCallIdSet_.size());
103 return CALL_ERR_CONFERENCE_CALL_EXCEED_LIMIT;
104 }
105 return TELEPHONY_SUCCESS;
106 }
107
CanSeparateConference()108 int32_t CsConference::CanSeparateConference()
109 {
110 std::lock_guard<std::mutex> lock(conferenceMutex_);
111 if (subCallIdSet_.empty() || state_ != CONFERENCE_STATE_ACTIVE) {
112 TELEPHONY_LOGE("no call is currently in the conference!");
113 return CALL_ERR_CONFERENCE_NOT_EXISTS;
114 }
115 return TELEPHONY_SUCCESS;
116 }
117 } // namespace Telephony
118 } // namespace OHOS
119