使用示例（使用了默认用户root，和默认端口号22）：
./mooon_ssh --h=192.168.4.1,192.168.4.2 -P=password -c='cat /etc/hosts'
#include "mooon/net/libssh2.h" // 提供远程执行命令接口
#include "mooon/sys/error.h"
#include "mooon/sys/stop_watch.h"
#include "mooon/utils/args_parser.h"
#include "mooon/utils/print_color.h"
#include "mooon/utils/string_utils.h"
#include "mooon/utils/tokener.h"
#include <iostream>
// 被执行的命令，可为一条或多条命令，如：ls /&&whoami
STRING_ARG_DEFINE(c, "", "command to execute remotely");
// 逗号分隔的远程主机列表
STRING_ARG_DEFINE(h, "", "remote hosts");
// 远程主机的sshd端口号
INTEGER_ARG_DEFINE(uint16_t, p, 22, 10, 65535, "remote hosts port");
// 用户名
STRING_ARG_DEFINE(u, "root", "remote host user");
// 密码
STRING_ARG_DEFINE(P, "", "remote host password");
// 连接超时，单位为秒
INTEGER_ARG_DEFINE(uint16_t, t, 10, 1, 65535, "timeout seconds to remote host");
// 结果信息
struct ResultInfo
{
bool success; // 为true表示执行成功
std::string ip; // 远程host的IP地址
uint32_t seconds; // 运行花费的时长，精确到秒
ResultInfo()
: success(false), seconds(0)
{
}
std::string str() const
{
std::string tag = success? "SUCCESS": "FAILURE";
return mooon::utils::CStringUtils::format_string("[%s %s]: %u seconds", ip.c_str(), tag.c_str(), seconds);
}
};
inline std::ostream& operator <<(std::ostream& out, const struct ResultInfo& result)
{
std::string tag = result.success? "SUCCESS": "FAILURE";
out << "["PRINT_COLOR_YELLOW << result.ip << PRINT_COLOR_NONE" " << tag << "] " << result.seconds << " seconds";
return out;
}
// 使用示例：
// mooon_ssh -u=root -P=test -p=2016 -h="127.0.0.1,192.168.0.1" -c='ls /tmp&&ps aux|grep -c test'
int main(int argc, char* argv[])
{
// 解析命令行参数
std::string errmsg;
if (!mooon::utils::parse_arguments(argc, argv, &errmsg))
{
fprintf(stderr, "parameter error: %s\n", errmsg.c_str());
exit(1);
}
uint16_t port = mooon::argument::p->value();
std::string commands = mooon::argument::c->value();
std::string hosts = mooon::argument::h->value();
std::string user = mooon::argument::u->value();
std::string password = mooon::argument::P->value();
mooon::utils::CStringUtils::trim(commands);
mooon::utils::CStringUtils::trim(hosts);
mooon::utils::CStringUtils::trim(user);
mooon::utils::CStringUtils::trim(password);
// 检查参数（-c）
if (commands.empty())
{
fprintf(stderr, "parameter[-c]'s value not set\n");
exit(1);
}
// 检查参数（-h）
if (hosts.empty())
{
// 尝试从环境变量取值
const char* hosts_ = getenv("HOSTS");
if (NULL == hosts_)
{
fprintf(stderr, "parameter[-h]'s value not set\n");
exit(1);
}
hosts= hosts_;
mooon::utils::CStringUtils::trim(hosts);
if (hosts.empty())
{
fprintf(stderr, "parameter[-h]'s value not set\n");
exit(1);
}
}
// 检查参数（-u）
if (user.empty())
{
fprintf(stderr, "parameter[-u]'s value not set\n");
exit(1);
}
// 检查参数（-P）
if (password.empty())
{
fprintf(stderr, "parameter[-P]'s value not set\n");
exit(1);
}
std::vector<std::string> hosts_ip;
const std::string& remote_hosts_ip = hosts;
int num_remote_hosts_ip = mooon::utils::CTokener::split(&hosts_ip, remote_hosts_ip, ",", true);
if (0 == num_remote_hosts_ip)
{
fprintf(stderr, "parameter[-h] error\n");
exit(1);
}
std::vector<struct ResultInfo> results(num_remote_hosts_ip);
for (int i=0; i<num_remote_hosts_ip; ++i)
{
bool color = true;
int num_bytes = 0;
int exitcode = 0;
std::string exitsignal;
std::string errmsg;
const std::string& remote_host_ip = hosts_ip[i];
results[i].ip = remote_host_ip;
fprintf(stdout, "["PRINT_COLOR_YELLOW"%s"PRINT_COLOR_NONE"]\n", remote_host_ip.c_str());
fprintf(stdout, PRINT_COLOR_GREEN);
mooon::sys::CStopWatch stop_watch;
try
{
mooon::net::CLibssh2 libssh2(remote_host_ip, port, user, password, mooon::argument::t->value());
libssh2.remotely_execute(commands, std::cout, &exitcode, &exitsignal, &errmsg, &num_bytes);
fprintf(stdout, PRINT_COLOR_NONE);
color = false; // color = true;
if ((0 == exitcode) && exitsignal.empty())
{
results[i].success = true;
fprintf(stdout, "["PRINT_COLOR_YELLOW"%s"PRINT_COLOR_NONE"] SUCCESS\n", remote_host_ip.c_str());
}
else
{
results[i].success = false;
if (exitcode != 0)
{
fprintf(stderr, "%d: %s\n", exitcode, mooon::sys::Error::to_string(exitcode).c_str());
}
else if (!exitsignal.empty())
{
fprintf(stderr, "%s: %s\n", exitsignal.c_str(), errmsg.c_str());
}
}
}
catch (mooon::sys::CSyscallException& ex)
{
if (color)
fprintf(stdout, PRINT_COLOR_NONE); // color = true;
fprintf(stderr, "["PRINT_COLOR_RED"%s"PRINT_COLOR_NONE"] failed: %s\n", remote_host_ip.c_str(), ex.str().c_str());
}
catch (mooon::utils::CException& ex)
{
if (color)
fprintf(stdout, PRINT_COLOR_NONE); // color = true;
fprintf(stderr, "["PRINT_COLOR_RED"%s"PRINT_COLOR_NONE"] failed: %s\n", remote_host_ip.c_str(), ex.str().c_str());
}
results[i].seconds = stop_watch.get_elapsed_microseconds() / 1000000;
std::cout << std::endl;
} // for
// 输出总结
std::cout << std::endl;
std::cout << "================================" << std::endl;
int num_success = 0; // 成功的个数
int num_failure = 0; // 失败的个数
for (std::vector<struct ResultInfo>::size_type i=0; i<results.size(); ++i)
{
const struct ResultInfo& result_info = results[i];
std::cout << result_info << std::endl;
if (result_info.success)
++num_success;
else
++num_failure;
}
std::cout << "SUCCESS: " << num_success << ", FAILURE: " << num_failure << std::endl;
return 0;
}