diff options
| -rw-r--r-- | datetime.h | 77 | ||||
| -rw-r--r-- | http_connection.h | 7 |
2 files changed, 84 insertions, 0 deletions
diff --git a/datetime.h b/datetime.h new file mode 100644 index 0000000..9611b38 --- /dev/null +++ b/datetime.h @@ -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; + }; +} diff --git a/http_connection.h b/http_connection.h index 9166fb4..7c4da26 100644 --- a/http_connection.h +++ b/http_connection.h @@ -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()); |