Mercurial > repos > blastem

annotate net.c @ 1913:2c742812bcbb

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix regression at the very start of The Revenge of Shinobi
author Michael Pavone <pavone@retrodev.com>
date Wed, 01 Apr 2020 23:15:47 -0700
parents 78abbabfd58d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1514
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #include <sys/types.h>
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2 #include <ifaddrs.h>
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 #include <netinet/in.h>
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 #include "net.h"
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 static uint8_t is_loopback(struct sockaddr_in *addr)
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 {
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8 return (addr->sin_addr.s_addr & 0xFF) == 127;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
9 }
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
10
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 static void format_address(uint8_t *dst, struct sockaddr_in *addr)
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 {
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13 long ip = addr->sin_addr.s_addr;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14 dst[0] = ip;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
15 dst[1] = ip >> 8;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
16 dst[2] = ip >> 16;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17 dst[3] = ip >> 24;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
18 }
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
19
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
20 uint8_t get_host_address(iface_info *out)
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
21 {
1839
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
Michael Pavone <pavone@retrodev.com>
parents: 1514
diff changeset
22 #ifdef __ANDROID__
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
Michael Pavone <pavone@retrodev.com>
parents: 1514
diff changeset
23 //TODO: write an implementation for Android
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
Michael Pavone <pavone@retrodev.com>
parents: 1514
diff changeset
24 return 0;
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
Michael Pavone <pavone@retrodev.com>
parents: 1514
diff changeset
25 #else
1514
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
26 struct ifaddrs *entries, *current, *localhost;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
27 if (getifaddrs(&entries)) {
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
28 return 0;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
29 }
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
30
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31 for (current = entries; current; current = current->ifa_next)
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
32 {
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
33 if (current->ifa_addr && current->ifa_addr->sa_family == AF_INET) {
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
34 struct sockaddr_in *addr = (struct sockaddr_in *)current->ifa_addr;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
35 if (is_loopback(addr)) {
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
36 localhost = current;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
37 } else {
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
38 break;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
39 }
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
40 }
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
41 }
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
42 if (!current && localhost) {
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
43 current = localhost;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
44 }
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
45 uint8_t ret = 0;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
46 if (current) {
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
47 ret = 1;
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
48 format_address(out->ip, (struct sockaddr_in *)current->ifa_addr);
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
49 format_address(out->net_mask, (struct sockaddr_in *)current->ifa_netmask);
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
50 }
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
51 freeifaddrs(entries);
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
52 return ret;
1839
78abbabfd58d Get Android build working again and update for SDL 2.0.7 (last version to support older versions of Android)
Michael Pavone <pavone@retrodev.com>
parents: 1514
diff changeset
53 #endif
1514
4f94e0f90c83 Added support for MegaWiFi command IP_CURRENT
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
54 }