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Annotation of embedaddon/mtr/packet/probe_cygwin.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:     mtr  --  a network diagnostic tool
                      3:     Copyright (C) 2016  Matt Kimball
                      4: 
                      5:     This program is free software; you can redistribute it and/or modify
                      6:     it under the terms of the GNU General Public License version 2 as
                      7:     published by the Free Software Foundation.
                      8: 
                      9:     This program is distributed in the hope that it will be useful,
                     10:     but WITHOUT ANY WARRANTY; without even the implied warranty of
                     11:     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     12:     GNU General Public License for more details.
                     13: 
                     14:     You should have received a copy of the GNU General Public License
                     15:     along with this program; if not, write to the Free Software
                     16:     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
                     17: */
                     18: 
                     19: #ifndef PROBE_CYGWIN_H
                     20: #define PROBE_CYGWIN_H
                     21: 
                     22: #include <arpa/inet.h>
                     23: #include <windows.h>
                     24: #include <iphlpapi.h>
                     25: #include <icmpapi.h>
                     26: 
                     27: /*
                     28:     This should be in the Windows headers, but is missing from
                     29:     Cygwin's Windows headers.
                     30: */
                     31: typedef struct icmpv6_echo_reply_lh {
                     32:     /*
                     33:        Although Windows uses an IPV6_ADDRESS_EX here, we are using uint8_t
                     34:        fields to avoid structure padding differences between gcc and
                     35:        Visual C++.  (gcc wants to align the flow info to a 4 byte boundary,
                     36:        and Windows uses it unaligned.)
                     37:      */
                     38:     uint8_t PortBits[2];
                     39:     uint8_t FlowInfoBits[4];
                     40:     uint8_t AddressBits[16];
                     41:     uint8_t ScopeIdBits[4];
                     42: 
                     43:     ULONG Status;
                     44:     unsigned int RoundTripTime;
                     45: } ICMPV6_ECHO_REPLY,
                     46: *PICMPV6_ECHO_REPLY;
                     47: 
                     48: /*
                     49:        Windows requires an echo reply structure for each in-flight
                     50:        ICMP probe.
                     51: */
                     52: struct probe_platform_t {
                     53:     /*
                     54:        We need a backpointer to the net_state because of the way
                     55:        IcmpSendEcho2 passes our context.
                     56:      */
                     57:     struct net_state_t *net_state;
                     58: 
                     59:     /*  IP version (4 or 6) used for the probe  */
                     60:     int ip_version;
                     61: 
                     62:     union {
                     63:         ICMP_ECHO_REPLY32 *reply4;
                     64:         ICMPV6_ECHO_REPLY *reply6;
                     65:     };
                     66: };
                     67: 
                     68: /*  A Windows HANDLE for the ICMP session  */
                     69: struct net_state_platform_t {
                     70:     HANDLE icmp4;
                     71:     HANDLE icmp6;
                     72: };
                     73: 
                     74: #endif