/// <summary>
        /// Marshal this structure into the platform dependent version and return
        /// and IntPtr to that memory
        ///
        /// NOTE: IntPtr MUST BE FREED via Marshal.FreeHGlobal()
        /// </summary>
        /// <returns>
        /// A <see cref="IntPtr"/>
        /// </returns>
        public IntPtr MarshalToIntPtr()
        {
            IntPtr hdrPtr;

            if (!isWindows)
            {
                // setup the structure to marshal
                var pkthdr = new PcapUnmanagedStructures.pcap_pkthdr_unix();
                pkthdr.caplen     = this.CaptureLength;
                pkthdr.len        = this.PacketLength;
                pkthdr.ts.tv_sec  = (IntPtr)this.Seconds;
                pkthdr.ts.tv_usec = (IntPtr)this.MicroSeconds;

                hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(PcapUnmanagedStructures.pcap_pkthdr_unix)));
                Marshal.StructureToPtr(pkthdr, hdrPtr, true);
            }
            else
            {
                var pkthdr = new PcapUnmanagedStructures.pcap_pkthdr_windows();
                pkthdr.caplen     = this.CaptureLength;
                pkthdr.len        = this.PacketLength;
                pkthdr.ts.tv_sec  = (int)this.Seconds;
                pkthdr.ts.tv_usec = (int)this.MicroSeconds;

                hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(PcapUnmanagedStructures.pcap_pkthdr_windows)));
                Marshal.StructureToPtr(pkthdr, hdrPtr, true);
            }

            return(hdrPtr);
        }
Example #2
0
        /// <summary>
        /// Marshal this structure into the platform dependent version and return
        /// and IntPtr to that memory
        ///
        /// NOTE: IntPtr MUST BE FREED via Marshal.FreeHGlobal()
        /// </summary>
        /// <returns>
        /// A <see cref="IntPtr"/>
        /// </returns>
        public IntPtr MarshalToIntPtr()
        {
            IntPtr hdrPtr;

            if(!isWindows)
            {
                // setup the structure to marshal
                var pkthdr = new PcapUnmanagedStructures.pcap_pkthdr_unix();
                pkthdr.caplen = this.CaptureLength;
                pkthdr.len = this.PacketLength;
                pkthdr.ts.tv_sec = (IntPtr)this.Seconds;
                pkthdr.ts.tv_usec = (IntPtr)this.MicroSeconds;

                hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(PcapUnmanagedStructures.pcap_pkthdr_unix)));
                Marshal.StructureToPtr(pkthdr, hdrPtr, true);                
            } else
            {
                var pkthdr = new PcapUnmanagedStructures.pcap_pkthdr_windows();
                pkthdr.caplen = this.CaptureLength;
                pkthdr.len = this.PacketLength;
                pkthdr.ts.tv_sec = (int)this.Seconds;
                pkthdr.ts.tv_usec = (int)this.MicroSeconds;

                hdrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(PcapUnmanagedStructures.pcap_pkthdr_windows)));
                Marshal.StructureToPtr(pkthdr, hdrPtr, true);
            }

            return hdrPtr;
        }