4 files changed, 44 insertions, 2 deletions
diff --git a/lib/Log.cpp b/lib/Log.cpp
index abbd69a..089e822 100644
--- a/lib/Log.cpp
+++ b/lib/Log.cpp
@@ -25,6 +25,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <iomanip>
 #include <list>
 #include <cstdarg>
 #include <cinttypes>
@@ -119,7 +120,9 @@ void Logger::io_process()
             }
 
             if (m.level != log_level_t::trace) {
-                std::cerr << levels_as_str[m.level] << " " << message << std::endl;
+                using namespace std::chrono;
+                time_t t = system_clock::to_time_t(system_clock::now());
+                cerr << put_time(std::gmtime(&t), "%Y-%m-%dZ%H:%M:%S") << " " << levels_as_str[m.level] << " " << message << endl;
             }
         }
     }
diff --git a/lib/Socket.cpp b/lib/Socket.cpp
index d12c970..1ff6418 100644
--- a/lib/Socket.cpp
+++ b/lib/Socket.cpp
@@ -259,6 +259,15 @@ void UDPSocket::send(const std::vector<uint8_t>& data, InetAddress destination)
     }
 }
 
+void UDPSocket::send(const std::string& data, InetAddress destination)
+{
+    const int ret = sendto(m_sock, data.data(), data.size(), 0,
+            destination.as_sockaddr(), sizeof(*destination.as_sockaddr()));
+    if (ret == SOCKET_ERROR && errno != ECONNREFUSED) {
+        throw runtime_error(string("Can't send UDP packet: ") + strerror(errno));
+    }
+}
+
 void UDPSocket::joinGroup(const char* groupname, const char* if_addr)
 {
     ip_mreqn group;
diff --git a/lib/Socket.h b/lib/Socket.h
index 08607a5..f5143a0 100644
--- a/lib/Socket.h
+++ b/lib/Socket.h
@@ -115,6 +115,7 @@ class UDPSocket
         void close(void);
         void send(UDPPacket& packet);
         void send(const std::vector<uint8_t>& data, InetAddress destination);
+        void send(const std::string& data, InetAddress destination);
         UDPPacket receive(size_t max_size);
         void joinGroup(const char* groupname, const char* if_addr = nullptr);
         void setMulticastSource(const char* source_addr);
@@ -198,6 +199,8 @@ class TCPSocket {
          */
         ssize_t recv(void *buffer, size_t length, int flags, int timeout_ms);
 
+        SOCKET get_sockfd() const { return m_sock; }
+
     private:
         explicit TCPSocket(int sockfd);
         explicit TCPSocket(int sockfd, InetAddress remote_address);
diff --git a/lib/edi/common.hpp b/lib/edi/common.hpp
index 5e31984..c3e6c40 100644
--- a/lib/edi/common.hpp
+++ b/lib/edi/common.hpp
@@ -35,7 +35,7 @@ namespace EdiDecoder {
 struct frame_timestamp_t {
     uint32_t seconds = 0;
     uint32_t utco = 0;
-    uint32_t tsta = 0; // According to EN 300 797 Annex B
+    uint32_t tsta = 0xFFFFFF; // According to EN 300 797 Annex B
 
     bool valid() const;
     std::string to_string() const;
@@ -47,6 +47,33 @@ struct frame_timestamp_t {
     frame_timestamp_t& operator+=(const std::chrono::milliseconds& ms);
 
     static frame_timestamp_t from_unix_epoch(std::time_t time, uint32_t tai_utc_offset, uint32_t tsta);
+
+    friend bool operator==(const frame_timestamp_t& l, const frame_timestamp_t& r) {
+        return (l.seconds - l.utco) == (r.seconds - r.utco) and l.tsta == r.tsta;
+    }
+
+    friend bool operator!=(const frame_timestamp_t& l, const frame_timestamp_t& r) {
+        return not (l == r);
+    }
+
+    friend bool operator< (const frame_timestamp_t& l, const frame_timestamp_t& r) {
+        if (l.seconds - l.utco == r.seconds - r.utco) {
+            return l.tsta < r.tsta;
+        }
+        return l.seconds - l.utco < r.seconds - r.utco;
+    }
+
+    friend bool operator<= (const frame_timestamp_t& l, const frame_timestamp_t& r) {
+        return l < r or l == r;
+    }
+
+    friend bool operator> (const frame_timestamp_t& l, const frame_timestamp_t& r) {
+        return r < l;
+    }
+
+    friend bool operator>= (const frame_timestamp_t& l, const frame_timestamp_t& r) {
+        return l > r or l == r;
+    }
 };
 
 using tag_name_t = std::array<uint8_t, 4>;