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317 lines (263 loc) · 9.64 KB
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/*
* Tencent is pleased to support the open source community by making Pebble available.
* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* 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 <iostream>
#include <readline/history.h>
#include <readline/readline.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "client/pebble_client.h"
#include "common/mutex.h"
#include "common/string_utility.h"
#include "extension/extension.h"
#include "gflags/gflags.h"
#include "pebble_version.inh"
#include "src/server/control__PebbleControl.h"
// 考虑到控制命令客户端是一个比较小的程序，所有实现均写到一个cpp中
////////////////////////////////////////////////////////////////////////////////////////////////////////////
#define _CHECK_RESULT(condition, ret, error) \
if ((condition)) { \
snprintf(m_error, sizeof(m_error), "(%s:%d)(%s) ret=%d error=%s\n", \
__FILE__, __LINE__, __FUNCTION__, static_cast<int32_t>(ret), (error)); \
return -1; \
}
DEFINE_string(url, "tcp://127.0.0.1:9000",
"specify server listen address, support tbuspp,http,tcp and udp:\n"
" tbuspp://appid.control/instanceid\n"
" http://127.0.0.1:8880/appid/control\n"
" tcp://127.0.0.1:9000\n"
" udp://127.0.0.1:9001\n");
DEFINE_string(execute, "", "execute command and quit.");
DEFINE_string(options, "", "specify the options of execute command, "
"multi options are separated by commas(,) or space.");
DEFINE_int32(execute_timeout_ms, 1000, "set the timeout time for execution command.");
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// 控制命令RPC交互处理类定义
class ControlClient {
public:
ControlClient();
~ControlClient();
int32_t Init(const std::string& url, bool batch);
int32_t RunCommand(const std::string& cmd, const std::vector<std::string>& args);
int32_t Update();
const char* GetLastError() { return m_error; }
private:
void CbRunCommand(const std::string& cmd,
int ret_code, const pebble::ControlResponse& response);
private:
char m_error[256];
bool m_batch;
pebble::PebbleClient* m_pebble_client;
pebble::_PebbleControlClient* m_stub;
};
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// 控制命令RPC交互处理类实现
ControlClient::ControlClient() {
m_error[0] = '\0';
m_batch = false;
m_pebble_client = NULL;
m_stub = NULL;
}
ControlClient::~ControlClient() {
delete m_stub;
delete m_pebble_client;
}
int32_t ControlClient::Init(const std::string& url, bool batch) {
m_batch = batch;
// 建立连接
int32_t ret = 0;
bool use_address = true;
if (pebble::StringUtility::StartsWith(url, "tbuspp")
|| pebble::StringUtility::StartsWith(url, "http")
|| pebble::StringUtility::StartsWith(url, "tbus")) {
// tbuspp not opened
// ret = INSTALL_TBUSPP;
ret = -1;
} else if (pebble::StringUtility::StartsWith(url, "tcp")
|| pebble::StringUtility::StartsWith(url, "udp")) {
// do nothing.
} else {
use_address = false;
}
_CHECK_RESULT(ret != 0, ret, "INSTALL TBUSPP failed, check the log for detail reason.");
m_pebble_client = new pebble::PebbleClient();
ret = m_pebble_client->Init();
_CHECK_RESULT(ret != 0, ret, "Pebble init failed, check the log for detail reason.");
if (use_address) {
m_stub = m_pebble_client->NewRpcClientByAddress<pebble::_PebbleControlClient>(
url, pebble::kPEBBLE_RPC_JSON);
} else {
m_stub = m_pebble_client->NewRpcClientByName<pebble::_PebbleControlClient>(
url, pebble::kPEBBLE_RPC_JSON);
}
_CHECK_RESULT(m_stub == NULL, -1, "May connect failed. check the log for detail reason.");
m_stub->SetTimeout(FLAGS_execute_timeout_ms);
return 0;
}
int32_t ControlClient::RunCommand(const std::string& cmd, const std::vector<std::string>& args) {
_CHECK_RESULT(cmd.empty(), -1, "cmd is null");
_CHECK_RESULT(m_stub == NULL, -1, "Control Client not init");
pebble::ControlRequest req;
req.command = cmd;
if (!args.empty()) {
req.__set_options(args);
}
m_stub->RunCommand(req, cxx::bind(&ControlClient::CbRunCommand, this,
cmd, cxx::placeholders::_1, cxx::placeholders::_2));
return 0;
}
int32_t ControlClient::Update() {
if (m_pebble_client) {
return m_pebble_client->Update();
}
return 0;
}
void ControlClient::CbRunCommand(const std::string& cmd,
int ret_code, const pebble::ControlResponse& response) {
int result = ret_code;
if (result != 0) {
std::cout << "Operate failed : " << pebble::GetErrorString(result) << std::endl;
} else {
result = response.ret_code;
std::cout << response.data << std::endl << std::endl;
}
if (m_batch) {
exit(result != 0 ? -1 : 0);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
pebble::Mutex g_mutex;
bool g_quit = false;
void* ControlIOThread(void* arg) {
ControlClient* client = reinterpret_cast<ControlClient*>(arg);
do {
usleep(10000);
pebble::AutoLocker lock(&g_mutex);
if (g_quit) {
break;
}
client->Update();
} while (true);
return NULL;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
int main(int argc, char* argv[]) {
// 预处理options参数，支持空格分隔多参数
std::string ex_options;
char option_str[] = "-options";
for (int i = 1; i < argc; i++) {
char* find = strstr(argv[i], option_str);
if (find == NULL) {
continue;
}
// --options "a" "b" "c"
int offset = 2;
if (*(find + strlen(option_str)) == '=') {
// --options="a" "b" "c"
offset = 1;
}
for (int j = i + offset; j < argc; j++) {
if (argv[j][0] == '-') {
break;
}
ex_options.append(",");
ex_options.append(argv[j]);
}
break;
}
// 命令行处理
std::string version(pebble::PebbleVersion::GetVersion());
google::SetVersionString(version);
google::SetUsageMessage("usage:");
google::ParseCommandLineFlags(&argc, &argv, false);
// 获取命令行参数
std::string url(FLAGS_url);
std::string cmd(FLAGS_execute);
std::string options(FLAGS_options);
options.append(ex_options);
std::vector<std::string> params_vector;
// 是否为直接执行命令模式(批处理模式)
bool batch = !cmd.empty();
// 创建ControlClient对象
ControlClient client;
int32_t ret = client.Init(url, batch);
if (ret != 0) {
std::cout << "Init failed : " << client.GetLastError() << std::endl;
return -1;
}
// 命令模式
if (batch) {
pebble::StringUtility::Split(options, ",", ¶ms_vector);
ret = client.RunCommand(cmd, params_vector);
if (ret != 0) {
std::cout << "run cmd failed : " << client.GetLastError() << std::endl;
return ret;
}
do {
client.Update();
usleep(10000);
} while (true);
return 0;
}
// 交互模式
pthread_t io_thread;
ret = pthread_create(&io_thread, NULL, ControlIOThread, reinterpret_cast<void *>(&client));
if (ret != 0) {
std::cout << "pthread_create failed : " << ret << std::endl;
return ret;
}
std::cout << "Welcome to Pebble Control Client " << version << std::endl
<< " \'help\' for help, \'quit\' for quit" << std::endl;
rl_bind_key('\t', rl_insert);
do {
char* line = readline("> ");
if (line == NULL) {
continue;
}
std::string input(line);
free(line);
pebble::StringUtility::Trim(input);
if (input.empty()) {
continue;
}
ret = 0;
cmd.clear();
options.clear();
params_vector.clear();
// 控制端界面只支持quit和help命令，其他命令通过help获取
// 服务端内置reload、stat命令，用户可添加
if (strcasecmp(input.c_str(), "quit") == 0) {
pebble::AutoLocker lock(&g_mutex);
g_quit = true;
break;
} else {
size_t pos = input.find_first_of(' ');
cmd = input.substr(0, pos);
if (pos != std::string::npos) {
options = input.substr(pos + 1);
pebble::StringUtility::Split(options, " ", ¶ms_vector);
pebble::StringUtility::Trim(¶ms_vector);
}
pebble::AutoLocker lock(&g_mutex);
ret = client.RunCommand(cmd, params_vector);
add_history(input.c_str());
if (ret != 0) {
std::cout << "run cmd failed : " << client.GetLastError() << std::endl;
}
}
if (ret == 0) {
usleep(300 * 1000);
}
} while (true);
pthread_join(io_thread, NULL);
}