From 9fe643eb99098567f60c86732db8b95e0a26e22f Mon Sep 17 00:00:00 2001
From: malloc <aleco@aroltd.com>
Date: Thu, 1 Mar 2018 17:16:47 -0600
Subject: [PATCH] time functions in netlib do NOT look

---
 server/src/main.cpp      | 11 +++++-
 server/src/utils/net.cpp | 85 ++++++++++++++++++++++++++++++++++++++++
 server/src/utils/net.hpp | 22 ++++++++++-
 3 files changed, 114 insertions(+), 4 deletions(-)

diff --git a/server/src/main.cpp b/server/src/main.cpp
index d753a19..6da04e9 100644
--- a/server/src/main.cpp
+++ b/server/src/main.cpp
@@ -2,15 +2,22 @@
 #include <string>
 #include "sock/tcpsock.hpp"
 #include "utils/string.hpp"
+#include "utils/net.hpp"
 
 int main(int argc, char **argv) {
     //auto sock = sosc::TcpClient();
     
-    std::string a = "this!!is!!a!!test";
+    /*std::string a = "this!!is!!a!!test";
     auto b = sosc::str::split(a, "!!");
     std::for_each(b.begin(), b.end(), [](std::string& i) {
         std::cout << i << std::endl;
-    });
+    });*/
+    
+    uint32_t test = 0xDEADBEEF;
+    std::string net = HTONUL(test);
+    test = NTOHUL(net);
+    
+    std::cout << std::hex << test << std::hex << net << std::endl;
     
     return 0;
 }
diff --git a/server/src/utils/net.cpp b/server/src/utils/net.cpp
index c389e05..3ff1f0b 100644
--- a/server/src/utils/net.cpp
+++ b/server/src/utils/net.cpp
@@ -1,2 +1,87 @@
 #include "net.hpp"
 
+bool sosc::net::is_big_endian() {
+    static uint16_t check = 0xFF00;
+    if(check == 0xFF00)
+        check = *((uint8_t*)&check) == 0xFF;
+    
+    return check;
+}
+
+template<typename T>
+std::string sosc::net::htonv(T host_var) {
+    int byte_count = sizeof(T);
+    std::string net_var(byte_count, 0);
+    
+    for(int b = 0; b < byte_count; ++b) {
+        int i = is_big_endian()
+            ? b : byte_count - b - 1;
+            
+        net_var[i] = ((uint8_t*)&host_var)[b];
+    }
+    
+    return net_var;
+}
+
+template<typename T>
+T sosc::net::ntohv(std::string net_var, size_t offset) {
+    int byte_count = sizeof(T);
+    T host_var = 0;
+    
+    for(int b = 0; b < byte_count; ++b) {
+        if(offset + b >= net_var.length())
+            break;
+        
+        int i = is_big_endian()
+            ? b : byte_count - b - i;
+            
+        ((uint8_t*)&host_var)[i] = net_var[offset + b];
+    }
+    
+    return host_var;
+}
+
+std::tm to_utc(const time_t* time) {
+    static std::mutex mtx;
+    mtx.lock();
+    
+    std::tm     utc = tm(),
+        *utc_static = std::gmtime(time);
+    std::memcpy(&utc, utc_static, sizeof(std::tm)); 
+    
+    mtx.unlock();
+    return utc;
+}
+
+bool sosc::net::is_error_time(std::string data, size_t offset) {
+    return is_error_time(unpack_time(data, offset));
+}
+
+bool sosc::net::is_error_time(sosc::time time) {
+    std::time_t ctime = sosc::clock::to_time_t(time);
+}
+
+std::string sosc::net::pack_time() {
+    return pack_time(sosc::clock::now());
+}
+
+std::string sosc::net::pack_time(sosc::time time) {
+    std::time_t ctime = sosc::clock::to_time_t(time);
+    std::tm utc = to_utc(&ctime);
+    int year = utc.tm_year + 1900;
+
+    std::stringstream stream;
+    stream << (char)((year & 0xFF0) >> 4)
+           << (char)(((year & 0x00F) << 4) | utc.tm_mon)
+           << (char)(utc.tm_mday - 1)
+           << (char)utc.tm_hour << (char)utc.tm_min << (char)utc.tm_sec;
+    return stream.str();
+}
+
+std::string sosc::net::pack_error_time() {
+    return std::string(6, 0);
+}
+
+sosc::time unpack_time(std::string data, size_t offset = 0) {
+    
+}
diff --git a/server/src/utils/net.hpp b/server/src/utils/net.hpp
index 1fedbad..593aa70 100644
--- a/server/src/utils/net.hpp
+++ b/server/src/utils/net.hpp
@@ -1,8 +1,13 @@
 #ifndef SOSC_UTIL_NET_H
 #define SOSC_UTIL_NET_H
 
+#include <sstream>
+#include <algorithm>
 #include <string>
 #include <chrono>
+#include <ctime>
+#include <mutex>
+#include <cstring>
 
 #undef htons
 #undef HTONS
@@ -47,17 +52,30 @@
 #define NTOHULL(X) sosc::net::ntohv<uint64_t>(X)
 
 namespace sosc {
-typedef std::chrono::system_clock time;
+typedef std::chrono::system_clock clock;
+typedef std::chrono::time_point<sosc::clock> time;
 
 namespace net {    
 class IpAddress {
+public:
+    
+private:
     
 };
 
+bool is_big_endian();
 template<typename T = uint32_t>
 std::string htonv(T host_var);
 template<typename T = uint32_t>
-T ntohv(std::string net_var, size_t offset);
+T ntohv(std::string net_var, size_t offset = 0);
+
+std::tm to_utc(const time_t* time);
+bool is_error_time(std::string data, size_t offset = 0);
+bool is_error_time(sosc::time time);
+std::string pack_time();
+std::string pack_time(sosc::time time);
+std::string pack_error_time();
+sosc::time unpack_time(std::string data, size_t offset = 0);
 }}
 
 #endif