Adding micros start to php-cgi env

src/client.cpp

@@ -422,6 +422,7 @@ bool connection_handler(const char *preprefix, const char *col1, const char *col
                          " SERVER_SOFTWARE=" + cli_encode("Necronda 3.0") +
                          " SERVER_PROTOCOL=" + cli_encode("HTTP/1.1") +
                          " GATEWAY_INTERFACE=" + cli_encode("CGI/1.1") +
+                         " REQUEST_TIMESTAMP=" + cli_encode(to_string(req.getMicrosStart())) +
                          " /usr/bin/php-cgi";
 
             pipes = procopen(cmd.c_str());

src/network/http/HttpConnection.cpp

@@ -164,10 +164,14 @@ string HttpConnection::getMethod() {
     return request->getMethod();
 }
 
-long HttpConnection::getDuration() {
+unsigned long HttpConnection::getDuration() {
     return getMicros() - microsStart;
 }
 
+unsigned long HttpConnection::getMicrosStart() {
+    return microsStart;
+}
+
 HttpStatusCode HttpConnection::getStatusCode() {
     return response->getStatusCode();
 }

src/network/http/HttpConnection.h

@@ -14,7 +14,7 @@ private:
     Socket *socket{};
     HttpRequest *request{};
     HttpResponse *response{};
-    long microsStart{};
+    unsigned long microsStart{};
 
 public:
     explicit HttpConnection();
@@ -43,7 +43,9 @@ public:
 
     void setField(string index, string data);
 
-    long getDuration();
+    unsigned long getDuration();
+
+    unsigned long getMicrosStart();
 
     HttpStatusCode getStatusCode();