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added HTTP Date header

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This commit is contained in:
ipknHama 2014-04-19 07:27:05 +09:00
parent de7a70de34
commit bc6140a1eb
2 changed files with 84 additions and 0 deletions
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77
datetime.h Normal file
View File

@ -0,0 +1,77 @@
#pragma once
#include <string>
#include <boost/date_time/local_time/local_time.hpp>
#include <boost/filesystem.hpp>
namespace flask
{
// code from http://stackoverflow.com/questions/2838524/use-boost-date-time-to-parse-and-create-http-dates
class DateTime
{
public:
DateTime()
: m_dt(boost::local_time::local_sec_clock::local_time(boost::local_time::time_zone_ptr()))
{
}
DateTime(const std::string& path)
: DateTime()
{
from_file(path);
}
// return datetime string
std::string str()
{
std::string result;
boost::local_time::local_time_facet* lf(new boost::local_time::local_time_facet("%a, %d %b %Y %H:%M:%S GMT"));
try
{
std::stringstream ss;
ss.imbue(std::locale(ss.getloc(), lf));
ss << m_dt;
result = ss.str();
}
catch (std::exception& e)
{
std::cerr << "Exception: " << e.what() << std::endl;
}
return result;
}
// update datetime from file mod date
std::string from_file(const std::string& path)
{
try
{
boost::filesystem::path p(path);
boost::posix_time::ptime pt = boost::posix_time::from_time_t(
boost::filesystem::last_write_time(p));
m_dt = boost::local_time::local_date_time(pt, boost::local_time::time_zone_ptr());
}
catch (std::exception& e)
{
std::cout << "Exception: " << e.what() << std::endl;
}
return str();
}
// parse datetime string
void parse(const std::string& dt)
{
boost::local_time::local_time_input_facet* lif(new boost::local_time::local_time_input_facet("%a, %d %b %Y %H:%M:%S GMT"));
std::stringstream ss(dt);
ss.imbue(std::locale(std::locale::classic(), lif));
ss >> m_dt;
}
// boolean equal operator
friend bool operator==(const DateTime& left, const DateTime& right)
{
return (left.m_dt == right.m_dt);
}
private:
boost::local_time::local_date_time m_dt;
};
}

7
http_connection.h
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@ -9,6 +9,7 @@
#include "parser.h"
#include "http_response.h"
#include "datetime.h"
namespace flask
{
@ -112,6 +113,12 @@ namespace flask
}
if (!has_date)
{
std::string date_str = DateTime().str();
auto ret = res.headers.emplace("Date", date_str);
buffers_.emplace_back(ret.first->first.data(), ret.first->first.size());
buffers_.emplace_back(seperator.data(), seperator.size());
buffers_.emplace_back(ret.first->second.data(), ret.first->second.size());
buffers_.emplace_back(crlf.data(), crlf.size());
}
buffers_.emplace_back(crlf.data(), crlf.size());