acl/app/master/tools/master_ctld/http_servlet.cpp

142 lines
3.5 KiB
C++

#include "stdafx.h"
#include "action/action.h"
#include "http_servlet.h"
http_servlet::http_servlet(acl::socket_stream* stream, acl::session* session,
const char* addr)
: acl::HttpServlet(stream, session)
, addr_(addr)
{
}
http_servlet::~http_servlet(void)
{
}
bool http_servlet::replyf(acl::HttpServletRequest& req,
acl::HttpServletResponse& res, int status, const char* fmt, ...)
{
acl::string buf;
va_list ap;
va_start(ap, fmt);
buf.vformat(fmt, ap);
va_end(ap);
return reply(req, res, status, buf);
}
bool http_servlet::reply(acl::HttpServletRequest&,
acl::HttpServletResponse& res, int status, const acl::string& buf)
{
res.setStatus(status)
.setContentType("text/plain; charset=utf-8")
.setContentLength(buf.size());
return res.write(buf, buf.size()) && res.write(NULL, 0);
}
bool http_servlet::reply_json(acl::HttpServletRequest&,
acl::HttpServletResponse& res, int status, const acl::string& data)
{
res.setStatus(status)
.setContentType("text/json; charset=utf-8")
.setContentLength(data.size());
return res.write(data, data.size()) && res.write(NULL, 0);
}
bool http_servlet::doError(acl::HttpServletRequest&,
acl::HttpServletResponse& res)
{
res.setStatus(400);
res.setContentType("text/xml; charset=utf-8");
// 发送 http 响应体
acl::string buf;
buf.format("<root error='some error happened!' />\r\n");
res.write(buf);
res.write(NULL, 0);
return false;
}
bool http_servlet::doOther(acl::HttpServletRequest&,
acl::HttpServletResponse& res, const char* method)
{
res.setStatus(400);
res.setContentType("text/xml; charset=utf-8");
// 发送 http 响应体
acl::string buf;
buf.format("<root error='unkown request method %s' />\r\n", method);
res.write(buf);
res.write(NULL, 0);
return false;
}
bool http_servlet::doGet(acl::HttpServletRequest& req,
acl::HttpServletResponse& res)
{
return doPost(req, res);
}
bool http_servlet::doPost(acl::HttpServletRequest& req,
acl::HttpServletResponse& res)
{
// 如果需要 http session 控制,请打开下面注释,且需要保证
// 在 master_service.cpp 的函数 thread_on_read 中设置的
// memcached 服务正常工作
/*
const char* sid = req.getSession().getAttribute("sid");
if (*sid == 0)
req.getSession().setAttribute("sid", "xxxxxx");
sid = req.getSession().getAttribute("sid");
*/
// 如果需要取得浏览器 cookie 请打开下面注释
/*
*/
res.setContentType("text/xml; charset=utf-8") // 设置响应字符集
.setKeepAlive(req.isKeepAlive()) // 设置是否保持长连接
.setContentEncoding(true) // 自动支持压缩传输
.setChunkedTransferEncoding(false); // chunk 传输方式
const char* cmd = req.getParameter("cmd");
if (cmd == NULL || *cmd == 0)
{
logger_error("cmd not found");
return replyf(req, res, 400, "%s", "no cmd");
}
#define EQ !strcasecmp
base_action* action;
if (EQ(cmd, "list"))
action = new list_action;
else if (EQ(cmd, "stat"))
action = new stat_action;
else if (EQ(cmd, "start"))
action = new start_action;
else if (EQ(cmd, "stop"))
action = new stop_action;
else if (EQ(cmd, "kill"))
action = new kill_action;
else if (EQ(cmd, "reload"))
action = new reload_action;
else if (EQ(cmd, "restart"))
action = new restart_action;
else
{
logger_error("invalid cmd=%s", cmd);
return replyf(req, res, 400, "invalid cmd=%s", cmd);
}
action->prepare(addr_, req, res);
acl::string buf;
int status = action->run(buf);
delete action;
return reply_json(req, res, status, buf);
}