fs_operator.cpp
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/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* CC/LICENSE
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fs_operator.h"
#include "tools.h"
bool fs_operator_t::connect(esl_handle_t& handle,
const char* ip, uint32_t port,
const char* user, const char* pswd) {
return esl_connect(&handle, ip, port, user, pswd) == ESL_SUCCESS;
}
bool fs_operator_t::startdtmf(esl_handle_t* handle, const std::string& callid) {
return handle
&& esl_execute(handle, CMD_STARTDTMF, NULL, callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
bool fs_operator_t::stopdtmf(esl_handle_t* handle, const std::string& callid) {
return handle
&& esl_execute(handle, CMD_STOPDTMF, NULL, callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
bool fs_operator_t::answer(esl_handle_t* handle, const std::string& callid) {
return handle
&& esl_execute(handle, CMD_ANSWER, NULL, callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
bool fs_operator_t::hangup(esl_handle_t* handle, const string& callid) {
return handle
&& esl_execute(handle, CMD_HANGUP, NULL, callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
bool fs_operator_t::playback(esl_handle_t* handle,
const string& callid, const string& playfile) {
//首先将terminators设置为none，否则系统使用默认的*
return handle
&& esl_execute(handle, CMD_SET, "playback_terminators=none", callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_execute(handle, CMD_PLAY, playfile.c_str(), callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
bool fs_operator_t::dial(esl_handle_t* handle,
std::string& callid,
const std::string& called, const std::string& caller,
uint32_t timeout, bool external) {
if (handle) {
char szcmd[256] = {0};
snprintf(szcmd, 256,
"%s {originate_timeout=%u,origination_uuid=%s}%s%s &park() %s %s %s %s %u %s",
CMD_DIAL, timeout, callid.c_str(), external ? "sofia/external/" : "user/",
called.c_str(), CMD_UNDEF, CMD_UNDEF,
caller.c_str(), caller.c_str(), timeout,
CMD_END);
if (esl_send_recv(handle, szcmd) == ESL_SUCCESS) {
const char* resp = esl_event_get_body(handle->last_sr_event);
if (check_result(resp)) {
//callid=resp+4;
//callid.erase(callid.find_last_not_of("\n")+1);
return true;
}
}
}
return false;
}
bool fs_operator_t::play_and_get_digits(esl_handle_t* handle,
const std::string& callid, const std::string& playfile,
uint32_t min, uint32_t max,
uint32_t tries, uint32_t timeout,
const std::string& term,
const std::string& invalidfile) {
// <min> <max> <tries> <timeout> <terminators> <file> <invalid_file> <var_name> <regexp>"
ostringstream ostm;
ostm << min << " " << max << " " << tries << " " << timeout * 1000 << " " << term << " ";
ostm << playfile << " " << invalidfile << " " << FS_VAR_TMP << "\nevent-lock: true\n" ;
/*
ostm << min << " " << max << " " << playfile << " " << FS_VAR_TMP << " ";
ostm << timeout*1000 << term << "\nevent-lock: true\n";
*/
//usleep(200000);
return handle &&
esl_execute(handle, CMD_FLUSH_DTMF, NULL, callid.c_str()) == ESL_SUCCESS &&
check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT)) &&
esl_execute(handle, CMD_PLAY_WITH_COLLECT, ostm.str().c_str(), callid.c_str()) == ESL_SUCCESS &&
check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
bool fs_operator_t::bridge(esl_handle_t* handle,
const std::string& callid1, const std::string& callid2) {
if (handle) {
char szcmd[256] = {0};
snprintf(szcmd, 256, "%s %s %s%s", CMD_BRIDGE,
callid1.c_str(), callid2.c_str(),
CMD_END);
//ivr_tools_t::safe_sleeps(1);
if (esl_execute(handle, CMD_SET, "bypass_media=false", callid1.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_execute(handle, CMD_SET, "bypass_media=false", callid2.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_send_recv(handle, szcmd) == ESL_SUCCESS) {
const char* resp = esl_event_get_body(handle->last_sr_event);
if (check_result(resp)) {
std::string callid = resp + 4;
callid.erase(callid.find_last_not_of("\n") + 1);
return strcasecmp(callid.c_str(), callid2.c_str()) == 0;
}
//return check_result(resp);
}
}
return false;
}
bool fs_operator_t::record(esl_handle_t* handle,
const std::string& callid, const std::string& recordpath, const std::string& recordfile) {
std::string dir = recordpath;
std::string base = "${sound_prefix}";
std::string file = dir + "/" + recordfile;
if (handle) {
esl_execute(handle, CMD_SET, "RECORD_STEREO=false", callid.c_str());
check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
esl_execute(handle, CMD_SET, "RECORD_COPYRIGHT=(c) 2011 Baidu.com", callid.c_str());
check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
esl_execute(handle, CMD_SET, "RECORD_TITLE=callcloud@127.0.0.1", callid.c_str());
check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
esl_execute(handle, CMD_SET, "RECORD_MIN_SEC=0", callid.c_str());
check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
if (dir.size() == 0 || dir.substr(0, 1) != "/") {
dir = base + "/" + file;
} else {
dir = file;
}
dir.erase(dir.find_last_of("/") + 1);
esl_execute(handle, CMD_MKDIR, dir.c_str(), callid.c_str());
check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
char szcmd[256] = {0};
//设置话单数据，用来供ds提取录音文件使用
snprintf(szcmd, 256, "userfield=%s", file.c_str());
esl_execute(handle, CMD_SET, szcmd, callid.c_str());
check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
ivr_tools_t::safe_sleeps(1);
snprintf(szcmd, 256, "%s %s start %s%s", CMD_RECORD, callid.c_str(), file.c_str(), CMD_END);
return handle
&& esl_execute(handle, CMD_SET, "playback_terminators=none", callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_send_recv(handle, szcmd) == ESL_SUCCESS;
}
bool fs_operator_t::get_callercalled(esl_handle_t& hdl,
std::string& caller, std::string& called) {
if (!hdl.connected) {
return false;
}
caller = esl_event_get_header(hdl.info_event, "Caller-ANI");
called = esl_event_get_header(hdl.info_event, "Caller-Destination-Number");
return true;
}
bool fs_operator_t::get_callid(esl_handle_t& hdl, std::string& callid) {
if (!hdl.connected) {
return false;
}
callid = esl_event_get_header(hdl.info_event, "caller-unique-id");
return true;
}
bool fs_operator_t::collect(esl_handle_t* handle,
const std::string& callid, const std::string& playfile,
uint32_t min, uint32_t max, uint32_t timeout,
const std::string term) {
//src\mod\applications\mod_dptools\mod_dptools.c
//"<min> <max> <file> <var_name> <timeout> <terminators>"
ostringstream ostm;
ostm << min << " " << max << " " << playfile << " " << FS_VAR_TMP << " " << timeout * 1000 << " " <<
term;
return handle
&& esl_execute(handle, CMD_COLLECT, ostm.str().c_str(), callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
bool fs_operator_t::check_event(esl_handle_t* handle, int32_t timeout, fs_event_t& event) {
esl_status_t status = ESL_SUCCESS;
event.event = fs_event_t::EV_UNKNOWN;
if (0 == timeout) {
return true;//不需要收事件
}
const char* type = NULL;
LOOP:
if (timeout < 0) {
status = esl_recv(handle);
} else {
status = esl_recv_timed(handle, timeout * 1000);
}
if (ESL_SUCCESS != status) {
if (ESL_FAIL == status && 0 == handle->connected) {
//连接断开
//一种场景就是呼入的时候，客户挂断，socket断开
event.event = fs_event_t::EV_DISCONNECT_OTHER;
return true;
} else if (ESL_BREAK == status) {
event.event = fs_event_t::EV_TIMEOUT;
}
return false;
}
type = esl_event_get_header(handle->last_event, CONTENT_TYPE);
if (type) {
if (strcasecmp(type, PLAIN) == 0) {
const char* eventname = esl_event_get_header(handle->last_ievent, "Event-Name");
if (eventname && strcasecmp(eventname, "RECORD_START") == 0) {
event.event = fs_event_t::EV_RECORD_BEGIN_SUCC;
event.media_resp = fs_event_t::MEDIA_SUCC;
const char* filename = esl_event_get_header(handle->last_ievent, "Record-File-Path");
if (filename) {
strncpy(event.data, filename, MAX_DATA_SIZE);
}
return true;
} else if (eventname && strcasecmp(eventname, "CHANNEL_UUID") == 0) {
//origination_uuid模式外呼
const char* old_uuid = esl_event_get_header(handle->last_ievent, "Old-Unique-ID");
if (old_uuid) {
strncpy(event.data, old_uuid, MAX_DATA_SIZE);
}
goto LOOP;
} else if (eventname && strcasecmp(eventname, "RECORD_STOP") == 0) {
} else if (eventname && strcasecmp(eventname, "CHANNEL_ANSWER") == 0) {
//外呼，外部应答
event.event = fs_event_t::EV_ANSWER_SUCC;
return true;
} else if (eventname && strcasecmp(eventname, "CHANNEL_HANGUP") == 0) {
event.event = fs_event_t::EV_DISCONNECT_OTHER;
return true;
} else if (eventname && strcasecmp(eventname, "CHANNEL_BRIDGE") == 0) {
//桥接成功，被桥接方应答成功
event.event = fs_event_t::EV_ANSWER_SUCC;
/**stars 1124-0552**/
/*const char * new_uuid=esl_event_get_header(handle->last_ievent,"Other-Leg-Unique-ID");
IVR_TRACE("NEW UUID suc: new_callid=%s", new_uuid);
if(new_uuid)
{
strncpy(event.data, new_uuid, MAX_DATA_SIZE);
}*/
/** stars end**/
return true;
} else if (eventname && strcasecmp(eventname, "CHANNEL_EXECUTE_COMPLETE") == 0) {
const char* app = esl_event_get_header(handle->last_ievent, APPLICATION);
if (app) {
if (strcasecmp(app, CMD_ANSWER) == 0) {
event.event = fs_event_t::EV_ANSWER_SUCC;
} else if (strcasecmp(app, CMD_HANGUP) == 0) {
event.event = fs_event_t::EV_HANGUP_SUCC;
} else if (strcasecmp(app, CMD_BRIDGE) == 0) {
event.event = fs_event_t::EV_BRIDGE_SUCC;
} else if (strcasecmp(app, CMD_RECORD) == 0) {
event.event = fs_event_t::EV_RECORD_BEGIN_SUCC;
} else if (strcasecmp(app, CMD_PLAY) == 0) {
event.event = fs_event_t::EV_PLAY_SUCC;
event.media_resp = fs_event_t::MEDIA_SUCC;
const char* media = esl_event_get_header(handle->last_ievent, APP_RESP);
if (media) {
if (strcasecmp(media, MEDIA_FILE_PLAYED) == 0) {
event.media_resp = fs_event_t::MEDIA_SUCC;
} else if (strcasecmp(media, MEDIA_FILE_NOEXIST) == 0) {
event.media_resp = fs_event_t::MEDIA_FILE_NOEXIST;
}
}
} else if (strcasecmp(app, CMD_COLLECT) == 0
|| strcasecmp(app, CMD_PLAY_WITH_COLLECT) == 0) {
event.event = fs_event_t::EV_PLAY_SUCC;
event.media_resp = fs_event_t::MEDIA_SUCC;
const char* media = esl_event_get_header(handle->last_ievent, APP_RESP);
if (media) {
if (strcasecmp(media, MEDIA_FILE_PLAYED) == 0) {
event.media_resp = fs_event_t::MEDIA_SUCC;
} else if (strcasecmp(media, MEDIA_FILE_NOEXIST) == 0) {
event.media_resp = fs_event_t::MEDIA_FILE_NOEXIST;
}
}
std::string input = get_variable(handle, FS_VAR_DIGIT_READ);
if (strcasecmp(input.c_str(), FS_DIGIT_RESULT_FAIL) != 0) {
input = get_variable(handle, FS_VAR_TMP);
if (input.size()) {
event.event = fs_event_t::EV_COLLECT_SUCC;
strncpy(event.data, input.c_str(), MAX_DATA_SIZE);
}
}
} else {
return false;
}
if (event.event != fs_event_t::EV_HANGUP_SUCC) { //系统主动挂断就不处理了
const char* ch_status = esl_event_get_header(handle->last_ievent, CH_ST);
if (ch_status && strcasecmp(ch_status, CH_ST_HANGUP) == 0) {
event.event = fs_event_t::EV_DISCONNECT_OTHER;
std::string var = get_variable(handle, "bridge_uuid");
if (var.size() != 0) {
//以消息中有没有该变量来确认挂断场景是否为bridge
//有点土，但是没有找到更好的办法
event.event = fs_event_t::EV_DISCONNECT_THIRD;
}
}
}
}
} else {
return false;
}
} else if (strcasecmp(type, DISCONNECT) == 0) {
event.event = fs_event_t::EV_DISCONNECT_OTHER;
}
}
return true;
}
std::string fs_operator_t::get_variable(esl_handle_t* handle, const char* var) {
if (var) {
std::string s = FS_VAR_PREFIX;
s += var;
const char* sztmp = esl_event_get_header(handle->last_ievent, s.c_str());
if (sztmp) {
return sztmp;
}
}
return "";
}
std::string fs_operator_t::create_uuid(esl_handle_t& handle) {
std::string uuid;
if (handle.connected && esl_send_recv(&handle, CMD_CREATEUUID) == ESL_SUCCESS) {
const char* resp = esl_event_get_body(handle.last_sr_event);
if (resp) {
uuid = resp;
uuid.erase(uuid.find_last_not_of("\n") + 1);
}
}
return uuid;
}
bool fs_operator_t::check_result(const char* result) {
if (result) {
return (strlen(result) >= 3 && strncasecmp(RESULT_OK, result, 3) == 0);
}
return false;
}
bool fs_operator_t::bridgeex(esl_handle_t* handle,
const std::string& callid,
const std::string& caller, const std::string& called,
bool external, bool usbgm, const std::string& bgmfile) {
ostringstream ostm;
/*
ostm<<"{";
ostm<<"originate_timeout=30,";
ostm<<"originate_caller_id_number="<<caller<<",";
ostm<<"originate_caller_id_name="<<caller;
ostm<<"}";
*/
if (external) {
ostm << "sofia/external/" << called;
} else {
ostm << "user/" << called;
}
if (usbgm) {
return handle
//语音透传
&& esl_execute(handle, CMD_SET, ("ringback=${sounds_dir}/" + bgmfile).c_str(),
callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
//被bridge不通，返回第一个呼叫不挂
&& esl_execute(handle, CMD_SET, "continue_on_fail=true", callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
//被bridge方挂断，发起方也挂断
&& esl_execute(handle, CMD_SET, "hangup_after_bridge=true", callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_execute(handle, CMD_SET, "bypass_media=false", callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
//&& esl_execute(handle,CMD_SET,"call_timeout=30",callid.c_str())==ESL_SUCCESS
//&& check_result(esl_event_get_header(handle->last_sr_event,REPLY_TEXT))
&& esl_execute(handle, CMD_SET, ("effective_caller_id_name=" + caller).c_str(),
callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_execute(handle, CMD_SET, ("effective_caller_id_number=" + caller).c_str(),
callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_execute(handle, CMD_BRIDGEEX, ostm.str().c_str(), callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
return handle
//语音透传
&& esl_execute(handle, CMD_SET, "bridge_early_media=true", callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
//被bridge不通，返回第一个呼叫不挂
&& esl_execute(handle, CMD_SET, "continue_on_fail=true", callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
//被bridge方挂断，发起方也挂断
&& esl_execute(handle, CMD_SET, "hangup_after_bridge=true", callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_execute(handle, CMD_SET, "bypass_media=false", callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
//&& esl_execute(handle,CMD_SET,"call_timeout=30",callid.c_str())==ESL_SUCCESS
//&& check_result(esl_event_get_header(handle->last_sr_event,REPLY_TEXT))
&& esl_execute(handle, CMD_SET, ("effective_caller_id_name=" + caller).c_str(),
callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_execute(handle, CMD_SET, ("effective_caller_id_number=" + caller).c_str(),
callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT))
&& esl_execute(handle, CMD_BRIDGEEX, ostm.str().c_str(), callid.c_str()) == ESL_SUCCESS
&& check_result(esl_event_get_header(handle->last_sr_event, REPLY_TEXT));
}
const char* fs_operator_t::CMD_SET = "set";
const char* fs_operator_t::CMD_ANSWER = "answer";
const char* fs_operator_t::CMD_STARTDTMF = "start_dtmf";
const char* fs_operator_t::CMD_STOPDTMF = "stop_dtmf";
const char* fs_operator_t::CMD_FLUSH_DTMF = "flush_dtmf";
const char* fs_operator_t::CMD_HANGUP = "hangup";
const char* fs_operator_t::CMD_PLAY = "playback";
const char* fs_operator_t::CMD_COLLECT = "read";
const char* fs_operator_t::CMD_BRIDGEEX = "bridge";
const char* fs_operator_t::CMD_PLAY_WITH_COLLECT = "play_and_get_digits";
// const char * fs_operator_t::CMD_PLAY_WITH_COLLECT="read";
const char* fs_operator_t::CMD_DIAL = "api originate ";
const char* fs_operator_t::CMD_UNDEF = "undef";
const char* fs_operator_t::CMD_RECORD = "api uuid_record";
const char* fs_operator_t::CMD_BRIDGE = "api uuid_bridge";
const char* fs_operator_t::CMD_GETVAR = "api uuid_getvar";
const char* fs_operator_t::CMD_MKDIR = "mkdir";
const char* fs_operator_t::CMD_END = "\n\n";
const char* fs_operator_t::CMD_CREATEUUID = "api create_uuid";
const char* fs_operator_t::RESULT_OK = "+ok";
const char* fs_operator_t::REPLY_TEXT = "Reply-Text";
const char* fs_operator_t::CH_ST = "Channel-State";
const char* fs_operator_t::CONTENT_TYPE = "content-type";
const char* fs_operator_t::PLAIN = "text/event-plain";
const char* fs_operator_t::APPLICATION = "Application";
const char* fs_operator_t::APP_RESP = "Application-Response";
const char* fs_operator_t::DISCONNECT = "text/disconnect-notice";
const char* fs_operator_t::CH_ST_HANGUP = "CS_HANGUP";
const char* fs_operator_t::MEDIA_FILE_PLAYED = "FILE PLAYED";
const char* fs_operator_t::MEDIA_FILE_NOEXIST = "FILE NOT FOUND";
//const uint32_t fs_operator_t::MAX_DATA_SIZE=255;
const char* fs_operator_t::FS_VAR_TMP = "BAIDU_CC_DATA";
const char* fs_operator_t::FS_DIGIT_RESULT_SUCC = "success";
const char* fs_operator_t::FS_DIGIT_RESULT_FAIL = "failure";
const char* fs_operator_t::FS_DIGIT_RESULT_TO = "timeout";
const char* fs_operator_t::FS_VAR_DIGIT_READ = "read_result";
const char* fs_operator_t::FS_VAR_PREFIX = "variable_";
/* vim: set expandtab ts=4 sw=4 sts=4 tw=100: */