// Written by Forest Hale 2003-06-15 and placed into public domain.
+#ifdef SUPPORTIPV6
+#ifdef WIN32
+// Windows XP or higher is required for getaddrinfo, but the inclusion of wspiapi provides fallbacks for older versions
+# define _WIN32_WINNT 0x0501
+# include <winsock2.h>
+# include <ws2tcpip.h>
+# ifdef USE_WSPIAPI_H
+# include <wspiapi.h>
+# endif
+#endif
+#endif
+
+#ifndef STANDALONETEST
+#include "quakedef.h"
+#endif
+
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <string.h>
#ifdef WIN32
-#include <winsock.h>
+#include <winsock2.h>
+#include <ws2tcpip.h>
#else
#include <unistd.h>
+#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#ifdef SUPPORTIPV6
+#include <net/if.h>
+#endif
+#endif
+
+#ifdef __MORPHOS__
+#include <proto/socket.h>
#endif
// for Z_Malloc/Z_Free in quake
#ifndef STANDALONETEST
-#include "quakedef.h"
#include "zone.h"
#include "sys.h"
#include "netconn.h"
#include "lhnet.h"
+#if defined(WIN32)
+#define EWOULDBLOCK WSAEWOULDBLOCK
+#define ECONNREFUSED WSAECONNREFUSED
+
+#define SOCKETERRNO WSAGetLastError()
+
+#define IOC_VENDOR 0x18000000
+#define _WSAIOW(x,y) (IOC_IN|(x)|(y))
+#define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR,12)
+
+#define SOCKLEN_T int
+#elif defined(__MORPHOS__)
+#define ioctlsocket IoctlSocket
+#define closesocket CloseSocket
+#define SOCKETERRNO Errno()
+
+#define SOCKLEN_T int
+#else
+#define ioctlsocket ioctl
+#define closesocket close
+#define SOCKETERRNO errno
+
+#define SOCKLEN_T socklen_t
+#endif
+
+#ifdef MSG_DONTWAIT
+#define LHNET_RECVFROM_FLAGS MSG_DONTWAIT
+#define LHNET_SENDTO_FLAGS 0
+#else
+#define LHNET_RECVFROM_FLAGS 0
+#define LHNET_SENDTO_FLAGS 0
+#endif
+
+typedef struct lhnetaddressnative_s
+{
+ lhnetaddresstype_t addresstype;
+ int port;
+ union
+ {
+ struct sockaddr sock;
+ struct sockaddr_in in;
+#ifdef SUPPORTIPV6
+ struct sockaddr_in6 in6;
+#endif
+ }
+ addr;
+}
+lhnetaddressnative_t;
+
// to make LHNETADDRESS_FromString resolve repeated hostnames faster, cache them
#define MAX_NAMECACHE 64
static struct namecache_s
{
- lhnetaddress_t address;
+ lhnetaddressnative_t address;
+ double expirationtime;
char name[64];
}
namecache[MAX_NAMECACHE];
static int namecacheposition = 0;
-int LHNETADDRESS_FromPort(lhnetaddress_t *address, int addresstype, int port)
+int LHNETADDRESS_FromPort(lhnetaddress_t *vaddress, lhnetaddresstype_t addresstype, int port)
{
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
if (!address)
return 0;
switch(addresstype)
{
+ default:
+ return 0;
case LHNETADDRESSTYPE_LOOP:
// local:port (loopback)
memset(address, 0, sizeof(*address));
address->addresstype = LHNETADDRESSTYPE_LOOP;
- address->addressdata.loop.port = port;
+ address->port = port;
return 1;
case LHNETADDRESSTYPE_INET4:
// 0.0.0.0:port (INADDR_ANY, binds to all interfaces)
memset(address, 0, sizeof(*address));
address->addresstype = LHNETADDRESSTYPE_INET4;
- address->addressdata.inet4.family = LHNETADDRESSTYPE_INET4_FAMILY;
- address->addressdata.inet4.port = htons((unsigned short)port);
+ address->port = port;
+ address->addr.in.sin_family = AF_INET;
+ address->addr.in.sin_port = htons((unsigned short)port);
return 1;
+#ifdef SUPPORTIPV6
case LHNETADDRESSTYPE_INET6:
// [0:0:0:0:0:0:0:0]:port (IN6ADDR_ANY, binds to all interfaces)
memset(address, 0, sizeof(*address));
address->addresstype = LHNETADDRESSTYPE_INET6;
- address->addressdata.inet6.family = LHNETADDRESSTYPE_INET6_FAMILY;
- address->addressdata.inet6.port = htons((unsigned short)port);
+ address->port = port;
+ address->addr.in6.sin6_family = AF_INET6;
+ address->addr.in6.sin6_port = htons((unsigned short)port);
return 1;
+#endif
}
return 0;
}
-int LHNETADDRESS_FromString(lhnetaddress_t *address, const char *string, int defaultport)
+#ifdef SUPPORTIPV6
+int LHNETADDRESS_Resolve(lhnetaddressnative_t *address, const char *name, int port)
+{
+ char port_buff [16];
+ struct addrinfo hints;
+ struct addrinfo* addrinf;
+ int err;
+
+ dpsnprintf (port_buff, sizeof (port_buff), "%d", port);
+ port_buff[sizeof (port_buff) - 1] = '\0';
+
+ memset(&hints, 0, sizeof (hints));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_DGRAM;
+ //hints.ai_flags = AI_PASSIVE;
+
+ err = getaddrinfo(name, port_buff, &hints, &addrinf);
+ if (err != 0 || addrinf == NULL)
+ return 0;
+ if (addrinf->ai_addr->sa_family != AF_INET6 && addrinf->ai_addr->sa_family != AF_INET)
+ {
+ freeaddrinfo (addrinf);
+ return 0;
+ }
+
+ // great it worked
+ if (addrinf->ai_addr->sa_family == AF_INET6)
+ {
+ address->addresstype = LHNETADDRESSTYPE_INET6;
+ memcpy(&address->addr.in6, addrinf->ai_addr, sizeof(address->addr.in6));
+ }
+ else
+ {
+ address->addresstype = LHNETADDRESSTYPE_INET4;
+ memcpy(&address->addr.in, addrinf->ai_addr, sizeof(address->addr.in));
+ }
+ address->port = port;
+
+ freeaddrinfo (addrinf);
+ return 1;
+}
+
+int LHNETADDRESS_FromString(lhnetaddress_t *vaddress, const char *string, int defaultport)
{
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
+ int i, port, d1, d2, d3, d4, resolved;
+ size_t namelen;
+ unsigned char *a;
+ char name[128];
+#ifdef STANDALONETEST
+ char string2[128];
+#endif
+ const char* addr_start;
+ const char* addr_end = NULL;
+ const char* port_name = NULL;
+ int addr_family = AF_UNSPEC;
+
+ if (!address || !string || !*string)
+ return 0;
+ memset(address, 0, sizeof(*address));
+ address->addresstype = LHNETADDRESSTYPE_NONE;
+ port = 0;
+
+ // If it's a bracketed IPv6 address
+ if (string[0] == '[')
+ {
+ const char* end_bracket = strchr(string, ']');
+
+ if (end_bracket == NULL)
+ return 0;
+
+ if (end_bracket[1] == ':')
+ port_name = end_bracket + 2;
+ else if (end_bracket[1] != '\0')
+ return 0;
+
+ addr_family = AF_INET6;
+ addr_start = &string[1];
+ addr_end = end_bracket;
+ }
+ else
+ {
+ const char* first_colon;
+
+ addr_start = string;
+
+ // If it's a numeric non-bracket IPv6 address (-> no port),
+ // or it's a numeric IPv4 address, or a name, with a port
+ first_colon = strchr(string, ':');
+ if (first_colon != NULL)
+ {
+ const char* last_colon = strrchr(first_colon + 1, ':');
+
+ // If it's an numeric IPv4 address, or a name, with a port
+ if (last_colon == NULL)
+ {
+ addr_end = first_colon;
+ port_name = first_colon + 1;
+ }
+ else
+ addr_family = AF_INET6;
+ }
+ }
+
+ if (addr_end != NULL)
+ namelen = addr_end - addr_start;
+ else
+ namelen = strlen (addr_start);
+
+ if (namelen >= sizeof(name))
+ namelen = sizeof(name) - 1;
+ memcpy (name, addr_start, namelen);
+ name[namelen] = 0;
+
+ if (port_name)
+ port = atoi(port_name);
+
+ if (port == 0)
+ port = defaultport;
+
+ // handle loopback
+ if (!strcmp(name, "local"))
+ {
+ address->addresstype = LHNETADDRESSTYPE_LOOP;
+ address->port = port;
+ return 1;
+ }
+ // try to parse as dotted decimal ipv4 address first
+ // note this supports partial ip addresses
+ d1 = d2 = d3 = d4 = 0;
+#if _MSC_VER >= 1400
+#define sscanf sscanf_s
+#endif
+ if (addr_family != AF_INET6 &&
+ sscanf(name, "%d.%d.%d.%d", &d1, &d2, &d3, &d4) >= 1 && (unsigned int)d1 < 256 && (unsigned int)d2 < 256 && (unsigned int)d3 < 256 && (unsigned int)d4 < 256)
+ {
+ // parsed a valid ipv4 address
+ address->addresstype = LHNETADDRESSTYPE_INET4;
+ address->port = port;
+ address->addr.in.sin_family = AF_INET;
+ address->addr.in.sin_port = htons((unsigned short)port);
+ a = (unsigned char *)&address->addr.in.sin_addr;
+ a[0] = d1;
+ a[1] = d2;
+ a[2] = d3;
+ a[3] = d4;
+#ifdef STANDALONETEST
+ LHNETADDRESS_ToString(address, string2, sizeof(string2), 1);
+ printf("manual parsing of ipv4 dotted decimal address \"%s\" successful: %s\n", string, string2);
+#endif
+ return 1;
+ }
+ for (i = 0;i < MAX_NAMECACHE;i++)
+ if (!strcmp(namecache[i].name, name))
+ break;
+#ifdef STANDALONETEST
+ if (i < MAX_NAMECACHE)
+#else
+ if (i < MAX_NAMECACHE && realtime < namecache[i].expirationtime)
+#endif
+ {
+ *address = namecache[i].address;
+ address->port = port;
+ if (address->addresstype == LHNETADDRESSTYPE_INET6)
+ {
+ address->addr.in6.sin6_port = htons((unsigned short)port);
+ return 1;
+ }
+ else if (address->addresstype == LHNETADDRESSTYPE_INET4)
+ {
+ address->addr.in.sin_port = htons((unsigned short)port);
+ return 1;
+ }
+ return 0;
+ }
+
+ for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
+ namecache[namecacheposition].name[i] = name[i];
+ namecache[namecacheposition].name[i] = 0;
+#ifndef STANDALONETEST
+ namecache[namecacheposition].expirationtime = realtime + 12 * 3600; // 12 hours
+#endif
+
+ // try resolving the address (handles dns and other ip formats)
+ resolved = LHNETADDRESS_Resolve(address, name, port);
+ if (resolved)
+ {
+#ifdef STANDALONETEST
+ const char *protoname;
+
+ switch (address->addresstype)
+ {
+ case LHNETADDRESSTYPE_INET6:
+ protoname = "ipv6";
+ break;
+ case LHNETADDRESSTYPE_INET4:
+ protoname = "ipv4";
+ break;
+ default:
+ protoname = "UNKNOWN";
+ break;
+ }
+ LHNETADDRESS_ToString(vaddress, string2, sizeof(string2), 1);
+ Con_Printf("LHNETADDRESS_Resolve(\"%s\") returned %s address %s\n", string, protoname, string2);
+#endif
+ namecache[namecacheposition].address = *address;
+ }
+ else
+ {
+#ifdef STANDALONETEST
+ printf("name resolution failed on address \"%s\"\n", name);
+#endif
+ namecache[namecacheposition].address.addresstype = LHNETADDRESSTYPE_NONE;
+ }
+
+ namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
+ return resolved;
+}
+#else
+int LHNETADDRESS_FromString(lhnetaddress_t *vaddress, const char *string, int defaultport)
+{
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
int i, port, namelen, d1, d2, d3, d4;
struct hostent *hostentry;
+ unsigned char *a;
const char *colon;
char name[128];
- if (!address || !string)
+#ifdef STANDALONETEST
+ char string2[128];
+#endif
+ if (!address || !string || !*string)
return 0;
memset(address, 0, sizeof(*address));
address->addresstype = LHNETADDRESSTYPE_NONE;
if (!strcmp(name, "local"))
{
address->addresstype = LHNETADDRESSTYPE_LOOP;
- address->addressdata.loop.port = port;
+ address->port = port;
return 1;
}
// try to parse as dotted decimal ipv4 address first
- if (sscanf(name, "%d.%d.%d.%d", &d1, &d2, &d3, &d4) == 4 && (unsigned int)d1 < 256 && (unsigned int)d2 < 256 && (unsigned int)d3 < 256 && (unsigned int)d4 < 256)
+ // note this supports partial ip addresses
+ d1 = d2 = d3 = d4 = 0;
+#if _MSC_VER >= 1400
+#define sscanf sscanf_s
+#endif
+ if (sscanf(name, "%d.%d.%d.%d", &d1, &d2, &d3, &d4) >= 1 && (unsigned int)d1 < 256 && (unsigned int)d2 < 256 && (unsigned int)d3 < 256 && (unsigned int)d4 < 256)
{
// parsed a valid ipv4 address
address->addresstype = LHNETADDRESSTYPE_INET4;
- address->addressdata.inet4.family = LHNETADDRESSTYPE_INET4_FAMILY;
- address->addressdata.inet4.port = htons((unsigned short)port);
- address->addressdata.inet4.address[0] = (unsigned char)d1;
- address->addressdata.inet4.address[1] = (unsigned char)d2;
- address->addressdata.inet4.address[2] = (unsigned char)d3;
- address->addressdata.inet4.address[3] = (unsigned char)d4;
+ address->port = port;
+ address->addr.in.sin_family = AF_INET;
+ address->addr.in.sin_port = htons((unsigned short)port);
+ a = (unsigned char *)&address->addr.in.sin_addr;
+ a[0] = d1;
+ a[1] = d2;
+ a[2] = d3;
+ a[3] = d4;
#ifdef STANDALONETEST
- printf("manual parsing of ipv4 dotted decimal address \"%s\" successful: %d.%d.%d.%d:%d\n", string, (int)address->addressdata.inet4.address[0], (int)address->addressdata.inet4.address[1], (int)address->addressdata.inet4.address[2], (int)address->addressdata.inet4.address[3], (int)ntohs(address->addressdata.inet4.port));
+ LHNETADDRESS_ToString(address, string2, sizeof(string2), 1);
+ printf("manual parsing of ipv4 dotted decimal address \"%s\" successful: %s\n", string, string2);
#endif
return 1;
}
for (i = 0;i < MAX_NAMECACHE;i++)
if (!strcmp(namecache[i].name, name))
break;
+#ifdef STANDALONETEST
if (i < MAX_NAMECACHE)
+#else
+ if (i < MAX_NAMECACHE && realtime < namecache[i].expirationtime)
+#endif
{
*address = namecache[i].address;
+ address->port = port;
if (address->addresstype == LHNETADDRESSTYPE_INET6)
{
- address->addressdata.inet6.port = htons((unsigned short)port);
+#ifdef SUPPORTIPV6
+ address->addr.in6.sin6_port = htons((unsigned short)port);
return 1;
+#endif
}
else if (address->addresstype == LHNETADDRESSTYPE_INET4)
{
- address->addressdata.inet4.port = htons((unsigned short)port);
+ address->addr.in.sin_port = htons((unsigned short)port);
return 1;
}
- return false;
+ return 0;
}
// try gethostbyname (handles dns and other ip formats)
hostentry = gethostbyname(name);
if (hostentry)
{
- if (hostentry->h_addrtype == LHNETADDRESSTYPE_INET6_FAMILY)
+ if (hostentry->h_addrtype == AF_INET6)
{
+#ifdef SUPPORTIPV6
// great it worked
address->addresstype = LHNETADDRESSTYPE_INET6;
- address->addressdata.inet6.family = hostentry->h_addrtype;
- address->addressdata.inet6.port = htons((unsigned short)port);
- memcpy(address->addressdata.inet6.address, hostentry->h_addr_list[0], sizeof(address->addressdata.inet6.address));
- for (i = 0;i < sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
+ address->port = port;
+ address->addr.in6.sin6_family = hostentry->h_addrtype;
+ address->addr.in6.sin6_port = htons((unsigned short)port);
+ memcpy(&address->addr.in6.sin6_addr, hostentry->h_addr_list[0], sizeof(address->addr.in6.sin6_addr));
+ for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
namecache[namecacheposition].name[i] = name[i];
namecache[namecacheposition].name[i] = 0;
+#ifndef STANDALONETEST
+ namecache[namecacheposition].expirationtime = realtime + 12 * 3600; // 12 hours
+#endif
namecache[namecacheposition].address = *address;
namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
#ifdef STANDALONETEST
- printf("gethostbyname(\"%s\") returned ipv6 address [%x:%x:%x:%x:%x:%x:%x:%x]:%d\n", name, (int)address->addressdata.inet6.address[0], (int)address->addressdata.inet6.address[1], (int)address->addressdata.inet6.address[2], (int)address->addressdata.inet6.address[3], (int)address->addressdata.inet6.address[4], (int)address->addressdata.inet6.address[5], (int)address->addressdata.inet6.address[6], (int)address->addressdata.inet6.address[7], (int)ntohs(address->addressdata.inet6.port));
+ LHNETADDRESS_ToString(address, string2, sizeof(string2), 1);
+ printf("gethostbyname(\"%s\") returned ipv6 address %s\n", string, string2);
#endif
return 1;
+#endif
}
- else if (hostentry->h_addrtype == LHNETADDRESSTYPE_INET4_FAMILY)
+ else if (hostentry->h_addrtype == AF_INET)
{
// great it worked
address->addresstype = LHNETADDRESSTYPE_INET4;
- address->addressdata.inet4.family = hostentry->h_addrtype;
- address->addressdata.inet4.port = htons((unsigned short)port);
- memcpy(address->addressdata.inet4.address, hostentry->h_addr_list[0], sizeof(address->addressdata.inet4.address));
- for (i = 0;i < sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
+ address->port = port;
+ address->addr.in.sin_family = hostentry->h_addrtype;
+ address->addr.in.sin_port = htons((unsigned short)port);
+ memcpy(&address->addr.in.sin_addr, hostentry->h_addr_list[0], sizeof(address->addr.in.sin_addr));
+ for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
namecache[namecacheposition].name[i] = name[i];
namecache[namecacheposition].name[i] = 0;
+#ifndef STANDALONETEST
+ namecache[namecacheposition].expirationtime = realtime + 12 * 3600; // 12 hours
+#endif
namecache[namecacheposition].address = *address;
namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
#ifdef STANDALONETEST
- printf("gethostbyname(\"%s\") returned ipv4 address %d.%d.%d.%d:%d\n", name, (int)address->addressdata.inet4.address[0], (int)address->addressdata.inet4.address[1], (int)address->addressdata.inet4.address[2], (int)address->addressdata.inet4.address[3], (int)ntohs(address->addressdata.inet4.port));
+ LHNETADDRESS_ToString(address, string2, sizeof(string2), 1);
+ printf("gethostbyname(\"%s\") returned ipv4 address %s\n", string, string2);
#endif
return 1;
}
#ifdef STANDALONETEST
printf("gethostbyname failed on address \"%s\"\n", name);
#endif
- for (i = 0;i < sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
+ for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
namecache[namecacheposition].name[i] = name[i];
namecache[namecacheposition].name[i] = 0;
+#ifndef STANDALONETEST
+ namecache[namecacheposition].expirationtime = realtime + 12 * 3600; // 12 hours
+#endif
namecache[namecacheposition].address.addresstype = LHNETADDRESSTYPE_NONE;
namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
return 0;
}
+#endif
-int LHNETADDRESS_ToString(const lhnetaddress_t *address, char *string, int stringbuffersize, int includeport)
+int LHNETADDRESS_ToString(const lhnetaddress_t *vaddress, char *string, int stringbuffersize, int includeport)
{
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
+ const unsigned char *a;
*string = 0;
if (!address || !string || stringbuffersize < 1)
return 0;
{
if (stringbuffersize >= 12)
{
- sprintf(string, "local:%d", (int)address->addressdata.loop.port);
+ dpsnprintf(string, stringbuffersize, "local:%d", address->port);
return 1;
}
}
{
if (stringbuffersize >= 6)
{
- strcpy(string, "local");
+ memcpy(string, "local", 6);
return 1;
}
}
break;
case LHNETADDRESSTYPE_INET4:
+ a = (const unsigned char *)(&address->addr.in.sin_addr);
if (includeport)
{
if (stringbuffersize >= 22)
{
- sprintf(string, "%d.%d.%d.%d:%d", (int)address->addressdata.inet4.address[0], (int)address->addressdata.inet4.address[1], (int)address->addressdata.inet4.address[2], (int)address->addressdata.inet4.address[3], (int)ntohs(address->addressdata.inet4.port));
+ dpsnprintf(string, stringbuffersize, "%d.%d.%d.%d:%d", a[0], a[1], a[2], a[3], address->port);
return 1;
}
}
{
if (stringbuffersize >= 16)
{
- sprintf(string, "%d.%d.%d.%d", (int)address->addressdata.inet4.address[0], (int)address->addressdata.inet4.address[1], (int)address->addressdata.inet4.address[2], (int)address->addressdata.inet4.address[3]);
+ dpsnprintf(string, stringbuffersize, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
return 1;
}
}
break;
+#ifdef SUPPORTIPV6
case LHNETADDRESSTYPE_INET6:
+ a = (const unsigned char *)(&address->addr.in6.sin6_addr);
if (includeport)
{
if (stringbuffersize >= 88)
{
- sprintf(string, "[%x:%x:%x:%x:%x:%x:%x:%x]:%d", (int)address->addressdata.inet6.address[0], (int)address->addressdata.inet6.address[1], (int)address->addressdata.inet6.address[2], (int)address->addressdata.inet6.address[3], (int)address->addressdata.inet6.address[4], (int)address->addressdata.inet6.address[5], (int)address->addressdata.inet6.address[6], (int)address->addressdata.inet6.address[7], (int)ntohs(address->addressdata.inet6.port));
+ dpsnprintf(string, stringbuffersize, "[%x:%x:%x:%x:%x:%x:%x:%x]:%d", a[0] * 256 + a[1], a[2] * 256 + a[3], a[4] * 256 + a[5], a[6] * 256 + a[7], a[8] * 256 + a[9], a[10] * 256 + a[11], a[12] * 256 + a[13], a[14] * 256 + a[15], address->port);
return 1;
}
}
{
if (stringbuffersize >= 80)
{
- sprintf(string, "%x:%x:%x:%x:%x:%x:%x:%x", (int)address->addressdata.inet6.address[0], (int)address->addressdata.inet6.address[1], (int)address->addressdata.inet6.address[2], (int)address->addressdata.inet6.address[3], (int)address->addressdata.inet6.address[4], (int)address->addressdata.inet6.address[5], (int)address->addressdata.inet6.address[6], (int)address->addressdata.inet6.address[7]);
+ dpsnprintf(string, stringbuffersize, "%x:%x:%x:%x:%x:%x:%x:%x", a[0] * 256 + a[1], a[2] * 256 + a[3], a[4] * 256 + a[5], a[6] * 256 + a[7], a[8] * 256 + a[9], a[10] * 256 + a[11], a[12] * 256 + a[13], a[14] * 256 + a[15]);
return 1;
}
}
break;
+#endif
}
return 0;
}
return LHNETADDRESSTYPE_NONE;
}
+const char *LHNETADDRESS_GetInterfaceName(const lhnetaddress_t *vaddress)
+{
+#ifdef SUPPORTIPV6
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
+
+ if (address && address->addresstype == LHNETADDRESSTYPE_INET6)
+ {
+#ifndef _WIN32
+
+ static char ifname [IF_NAMESIZE];
+
+ if (if_indextoname(address->addr.in6.sin6_scope_id, ifname) == ifname)
+ return ifname;
+
+#else
+
+ // The Win32 API doesn't have if_indextoname() until Windows Vista,
+ // but luckily it just uses the interface ID as the interface name
+
+ static char ifname [16];
+
+ if (dpsnprintf(ifname, sizeof(ifname), "%lu", address->addr.in6.sin6_scope_id) > 0)
+ return ifname;
+
+#endif
+ }
+#endif
+
+ return NULL;
+}
+
int LHNETADDRESS_GetPort(const lhnetaddress_t *address)
{
if (!address)
return -1;
- switch(address->addresstype)
- {
- case LHNETADDRESSTYPE_LOOP:
- return address->addressdata.loop.port;
- case LHNETADDRESSTYPE_INET4:
- return ntohs(address->addressdata.inet4.port);
- case LHNETADDRESSTYPE_INET6:
- return ntohs(address->addressdata.inet6.port);
- default:
- return -1;
- }
+ return address->port;
}
-int LHNETADDRESS_SetPort(lhnetaddress_t *address, int port)
+int LHNETADDRESS_SetPort(lhnetaddress_t *vaddress, int port)
{
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
if (!address)
return 0;
+ address->port = port;
switch(address->addresstype)
{
case LHNETADDRESSTYPE_LOOP:
- address->addressdata.loop.port = port;
return 1;
case LHNETADDRESSTYPE_INET4:
- address->addressdata.inet4.port = htons((unsigned short)port);
+ address->addr.in.sin_port = htons((unsigned short)port);
return 1;
+#ifdef SUPPORTIPV6
case LHNETADDRESSTYPE_INET6:
- address->addressdata.inet6.port = htons((unsigned short)port);
+ address->addr.in6.sin6_port = htons((unsigned short)port);
return 1;
+#endif
default:
return 0;
}
}
-int LHNETADDRESS_Compare(const lhnetaddress_t *address1, const lhnetaddress_t *address2)
+int LHNETADDRESS_Compare(const lhnetaddress_t *vaddress1, const lhnetaddress_t *vaddress2)
{
+ lhnetaddressnative_t *address1 = (lhnetaddressnative_t *)vaddress1;
+ lhnetaddressnative_t *address2 = (lhnetaddressnative_t *)vaddress2;
if (!address1 || !address2)
return 1;
if (address1->addresstype != address2->addresstype)
switch(address1->addresstype)
{
case LHNETADDRESSTYPE_LOOP:
- if (address1->addressdata.loop.port != address2->addressdata.loop.port)
+ if (address1->port != address2->port)
return -1;
return 0;
case LHNETADDRESSTYPE_INET4:
- if (address1->addressdata.inet4.family != address2->addressdata.inet4.family)
+ if (address1->addr.in.sin_family != address2->addr.in.sin_family)
return 1;
- if (memcmp(address1->addressdata.inet4.address, address2->addressdata.inet4.address, sizeof(address1->addressdata.inet4.address)))
+ if (memcmp(&address1->addr.in.sin_addr, &address2->addr.in.sin_addr, sizeof(address1->addr.in.sin_addr)))
return 1;
- if (address1->addressdata.inet4.port != address2->addressdata.inet4.port)
+ if (address1->port != address2->port)
return -1;
return 0;
+#ifdef SUPPORTIPV6
case LHNETADDRESSTYPE_INET6:
- if (address1->addressdata.inet6.family != address2->addressdata.inet6.family)
+ if (address1->addr.in6.sin6_family != address2->addr.in6.sin6_family)
return 1;
- if (memcmp(address1->addressdata.inet6.address, address2->addressdata.inet6.address, sizeof(address1->addressdata.inet6.address)))
+ if (memcmp(&address1->addr.in6.sin6_addr, &address2->addr.in6.sin6_addr, sizeof(address1->addr.in6.sin6_addr)))
return 1;
- if (address1->addressdata.inet6.port != address2->addressdata.inet6.port)
+ if (address1->port != address2->port)
return -1;
return 0;
+#endif
default:
return 1;
}
lhnet_socketlist.next = lhnet_socketlist.prev = &lhnet_socketlist;
lhnet_packetlist.next = lhnet_packetlist.prev = &lhnet_packetlist;
lhnet_active = 1;
+#ifdef WIN32
+ lhnet_didWSAStartup = !WSAStartup(MAKEWORD(1, 1), &lhnet_winsockdata);
+ if (!lhnet_didWSAStartup)
+ Con_Print("LHNET_Init: WSAStartup failed, networking disabled\n");
+#endif
}
void LHNET_Shutdown(void)
p->next->prev = p->prev;
Z_Free(p);
}
+#ifdef WIN32
+ if (lhnet_didWSAStartup)
+ {
+ lhnet_didWSAStartup = 0;
+ WSACleanup();
+ }
+#endif
lhnet_active = 0;
}
#endif
}
+void LHNET_SleepUntilPacket_Microseconds(int microseconds)
+{
+#ifdef FD_SET
+ fd_set fdreadset;
+ struct timeval tv;
+ int lastfd;
+ lhnetsocket_t *s;
+ FD_ZERO(&fdreadset);
+ lastfd = 0;
+ for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
+ {
+ if (s->address.addresstype == LHNETADDRESSTYPE_INET4 || s->address.addresstype == LHNETADDRESSTYPE_INET6)
+ {
+ if (lastfd < s->inetsocket)
+ lastfd = s->inetsocket;
+ FD_SET((unsigned int)s->inetsocket, &fdreadset);
+ }
+ }
+ tv.tv_sec = microseconds / 1000000;
+ tv.tv_usec = microseconds % 1000000;
+ select(lastfd + 1, &fdreadset, NULL, NULL, &tv);
+#else
+ Sys_Sleep(microseconds);
+#endif
+}
+
lhnetsocket_t *LHNET_OpenSocket_Connectionless(lhnetaddress_t *address)
{
lhnetsocket_t *lhnetsocket, *s;
if (!address)
return NULL;
- lhnetsocket = Z_Malloc(sizeof(*lhnetsocket));
+ lhnetsocket = (lhnetsocket_t *)Z_Malloc(sizeof(*lhnetsocket));
if (lhnetsocket)
{
memset(lhnetsocket, 0, sizeof(*lhnetsocket));
switch(lhnetsocket->address.addresstype)
{
case LHNETADDRESSTYPE_LOOP:
- if (lhnetsocket->address.addressdata.loop.port == 0)
+ if (lhnetsocket->address.port == 0)
{
// allocate a port dynamically
// this search will always terminate because there is never
// an allocated socket with port 0, so if the number wraps it
// will find the port is unused, and then refuse to use port
// 0, causing an intentional failure condition
- lhnetsocket->address.addressdata.loop.port = 1024;
+ lhnetsocket->address.port = 1024;
for (;;)
{
for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
- if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.addressdata.loop.port == lhnetsocket->address.addressdata.loop.port)
+ if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.port == lhnetsocket->address.port)
break;
if (s == &lhnet_socketlist)
break;
- lhnetsocket->address.addressdata.loop.port++;
+ lhnetsocket->address.port++;
}
}
// check if the port is available
for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
- if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.addressdata.loop.port == lhnetsocket->address.addressdata.loop.port)
+ if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.port == lhnetsocket->address.port)
break;
- if (s == &lhnet_socketlist && lhnetsocket->address.addressdata.loop.port != 0)
+ if (s == &lhnet_socketlist && lhnetsocket->address.port != 0)
{
lhnetsocket->next = &lhnet_socketlist;
lhnetsocket->prev = lhnetsocket->next->prev;
}
break;
case LHNETADDRESSTYPE_INET4:
+#ifdef SUPPORTIPV6
case LHNETADDRESSTYPE_INET6:
+#endif
#ifdef WIN32
- if (lhnet_didWSAStartup || (lhnet_didWSAStartup = !WSAStartup(MAKEWORD(1, 1), &lhnet_winsockdata)))
+ if (lhnet_didWSAStartup)
{
#endif
- if ((lhnetsocket->inetsocket = socket(address->addresstype == LHNETADDRESSTYPE_INET6 ? LHNETADDRESSTYPE_INET6_FAMILY : LHNETADDRESSTYPE_INET4_FAMILY, SOCK_DGRAM, IPPROTO_UDP)) != -1)
+#ifdef SUPPORTIPV6
+ if ((lhnetsocket->inetsocket = socket(address->addresstype == LHNETADDRESSTYPE_INET6 ? PF_INET6 : PF_INET, SOCK_DGRAM, IPPROTO_UDP)) != -1)
+#else
+ if ((lhnetsocket->inetsocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) != -1)
+#endif
{
+#ifdef WIN32
+ u_long _false = 0;
+#endif
+#ifdef MSG_DONTWAIT
+ if (1)
+#else
#ifdef WIN32
u_long _true = 1;
- if (ioctlsocket(lhnetsocket->inetsocket, FIONBIO, &_true) != -1)
#else
char _true = 1;
- if (ioctl(lhnetsocket->inetsocket, FIONBIO, &_true) != -1)
+#endif
+ if (ioctlsocket(lhnetsocket->inetsocket, FIONBIO, &_true) != -1)
#endif
{
+#ifdef IPV6_V6ONLY
+ // We need to set this flag to tell the OS that we only listen on IPv6. If we don't
+ // most OSes will create a dual-protocol socket that also listens on IPv4. In this case
+ // if an IPv4 socket is already bound to the port we want, our bind() call will fail.
+ int ipv6_only = 1;
+ if (address->addresstype != LHNETADDRESSTYPE_INET6
+ || setsockopt (lhnetsocket->inetsocket, IPPROTO_IPV6, IPV6_V6ONLY,
+ (const char *)&ipv6_only, sizeof(ipv6_only)) == 0
#ifdef WIN32
- int namelen;
-#else
- socklen_t namelen;
+ // The Win32 API only supports IPV6_V6ONLY since Windows Vista, but fortunately
+ // the default value is what we want on Win32 anyway (IPV6_V6ONLY = true)
+ || SOCKETERRNO == WSAENOPROTOOPT
+#endif
+ )
#endif
- namelen = address->addresstype == LHNETADDRESSTYPE_INET6 ? sizeof(lhnetsocket->address.addressdata.inet6) : sizeof(lhnetsocket->address.addressdata.inet4);
- if (bind(lhnetsocket->inetsocket, (void *)&lhnetsocket->address.addressdata, namelen) != -1)
{
- int i = 1;
- getsockname(lhnetsocket->inetsocket, (void *)&lhnetsocket->address.addressdata, &namelen);
- // enable broadcast on this socket
- setsockopt(lhnetsocket->inetsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i));
- lhnetsocket->next = &lhnet_socketlist;
- lhnetsocket->prev = lhnetsocket->next->prev;
- lhnetsocket->next->prev = lhnetsocket;
- lhnetsocket->prev->next = lhnetsocket;
- return lhnetsocket;
+ lhnetaddressnative_t *localaddress = (lhnetaddressnative_t *)&lhnetsocket->address;
+ SOCKLEN_T namelen;
+ int bindresult;
+#ifdef SUPPORTIPV6
+ if (address->addresstype == LHNETADDRESSTYPE_INET6)
+ {
+ namelen = sizeof(localaddress->addr.in6);
+ bindresult = bind(lhnetsocket->inetsocket, &localaddress->addr.sock, namelen);
+ if (bindresult != -1)
+ getsockname(lhnetsocket->inetsocket, &localaddress->addr.sock, &namelen);
+ }
+ else
+#endif
+ {
+ namelen = sizeof(localaddress->addr.in);
+ bindresult = bind(lhnetsocket->inetsocket, &localaddress->addr.sock, namelen);
+ if (bindresult != -1)
+ getsockname(lhnetsocket->inetsocket, &localaddress->addr.sock, &namelen);
+ }
+ if (bindresult != -1)
+ {
+ int i = 1;
+ // enable broadcast on this socket
+ setsockopt(lhnetsocket->inetsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i));
+ lhnetsocket->next = &lhnet_socketlist;
+ lhnetsocket->prev = lhnetsocket->next->prev;
+ lhnetsocket->next->prev = lhnetsocket;
+ lhnetsocket->prev->next = lhnetsocket;
+#ifdef WIN32
+ if (ioctlsocket(lhnetsocket->inetsocket, SIO_UDP_CONNRESET, &_false) == -1)
+ Con_DPrintf("LHNET_OpenSocket_Connectionless: ioctlsocket SIO_UDP_CONNRESET returned error: %s\n", LHNETPRIVATE_StrError());
+#endif
+ return lhnetsocket;
+ }
+ else
+ Con_Printf("LHNET_OpenSocket_Connectionless: bind returned error: %s\n", LHNETPRIVATE_StrError());
}
+#ifdef IPV6_V6ONLY
else
- Con_Printf("LHNET_OpenSocket_Connectionless: bind returned error: %s\n", LHNETPRIVATE_StrError());
+ Con_Printf("LHNET_OpenSocket_Connectionless: setsockopt(IPV6_V6ONLY) returned error: %s\n", LHNETPRIVATE_StrError());
+#endif
}
else
Con_Printf("LHNET_OpenSocket_Connectionless: ioctlsocket returned error: %s\n", LHNETPRIVATE_StrError());
-#ifdef WIN32
closesocket(lhnetsocket->inetsocket);
-#else
- close(lhnetsocket->inetsocket);
-#endif
}
else
Con_Printf("LHNET_OpenSocket_Connectionless: socket returned error: %s\n", LHNETPRIVATE_StrError());
#ifdef WIN32
}
else
- Con_Print("LHNET_OpenSocket_Connectionless: WSAStartup failed\n");
+ Con_Print("LHNET_OpenSocket_Connectionless: can't open a socket (WSAStartup failed during LHNET_Init)\n");
#endif
break;
default:
// no special close code for loopback, just inet
if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4 || lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
{
-#ifdef WIN32
closesocket(lhnetsocket->inetsocket);
-#else
- close(lhnetsocket->inetsocket);
-#endif
}
-#ifdef WIN32
- if (lhnet_socketlist.next == &lhnet_socketlist && lhnet_didWSAStartup)
- {
- lhnet_didWSAStartup = 0;
- WSACleanup();
- }
-#endif
Z_Free(lhnetsocket);
}
}
return NULL;
}
-int LHNET_Read(lhnetsocket_t *lhnetsocket, void *content, int maxcontentlength, lhnetaddress_t *address)
+int LHNET_Read(lhnetsocket_t *lhnetsocket, void *content, int maxcontentlength, lhnetaddress_t *vaddress)
{
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
int value = 0;
if (!lhnetsocket || !address || !content || maxcontentlength < 1)
return -1;
continue;
}
#ifndef STANDALONETEST
- if (cl_netlocalping.value && (Sys_DoubleTime() - cl_netlocalping.value * (1.0 / 2000.0)) < p->sentdoubletime)
+ if (cl_netlocalping.value && (realtime - cl_netlocalping.value * (1.0 / 2000.0)) < p->sentdoubletime)
continue;
#endif
- if (value == 0 && p->destinationport == lhnetsocket->address.addressdata.loop.port)
+ if (value == 0 && p->destinationport == lhnetsocket->address.port)
{
if (p->length <= maxcontentlength)
{
- *address = lhnetsocket->address;
- address->addressdata.loop.port = p->sourceport;
+ lhnetaddressnative_t *localaddress = (lhnetaddressnative_t *)&lhnetsocket->address;
+ *address = *localaddress;
+ address->port = p->sourceport;
memcpy(content, p->data, p->length);
value = p->length;
}
}
else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
{
- int inetaddresslength;
+ SOCKLEN_T inetaddresslength;
address->addresstype = LHNETADDRESSTYPE_NONE;
- inetaddresslength = sizeof(address->addressdata.inet4);
- value = recvfrom(lhnetsocket->inetsocket, content, maxcontentlength, 0, (struct sockaddr *)&address->addressdata.inet4, &inetaddresslength);
+ inetaddresslength = sizeof(address->addr.in);
+ value = recvfrom(lhnetsocket->inetsocket, (char *)content, maxcontentlength, LHNET_RECVFROM_FLAGS, &address->addr.sock, &inetaddresslength);
if (value > 0)
{
address->addresstype = LHNETADDRESSTYPE_INET4;
+ address->port = ntohs(address->addr.in.sin_port);
return value;
}
else if (value == -1)
{
-#ifdef WIN32
- int e = WSAGetLastError();
- if (e == WSAEWOULDBLOCK)
+ int e = SOCKETERRNO;
+ if (e == EWOULDBLOCK)
return 0;
switch (e)
- {
- case WSAECONNREFUSED:
- Con_Print("Connection refused\n");
- return 0;
- }
-#else
- if (errno == EWOULDBLOCK)
- return 0;
- switch (errno)
{
case ECONNREFUSED:
Con_Print("Connection refused\n");
return 0;
}
-#endif
+ Con_Printf("LHNET_Read: recvfrom returned error: %s\n", LHNETPRIVATE_StrError());
}
}
+#ifdef SUPPORTIPV6
else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
{
- int inetaddresslength;
+ SOCKLEN_T inetaddresslength;
address->addresstype = LHNETADDRESSTYPE_NONE;
- inetaddresslength = sizeof(address->addressdata.inet6);
- value = recvfrom(lhnetsocket->inetsocket, content, maxcontentlength, 0, (struct sockaddr *)&address->addressdata.inet6, &inetaddresslength);
+ inetaddresslength = sizeof(address->addr.in6);
+ value = recvfrom(lhnetsocket->inetsocket, (char *)content, maxcontentlength, 0, &address->addr.sock, &inetaddresslength);
if (value > 0)
{
address->addresstype = LHNETADDRESSTYPE_INET6;
+ address->port = ntohs(address->addr.in6.sin6_port);
return value;
}
else if (value == -1)
{
-#ifdef WIN32
- int e = WSAGetLastError();
- if (e == WSAEWOULDBLOCK)
+ int e = SOCKETERRNO;
+ if (e == EWOULDBLOCK)
return 0;
switch (e)
- {
- case WSAECONNREFUSED:
- Con_Print("Connection refused\n");
- return 0;
- }
-#else
- if (errno == EWOULDBLOCK)
- return 0;
- switch (errno)
{
case ECONNREFUSED:
Con_Print("Connection refused\n");
return 0;
}
-#endif
+ Con_Printf("LHNET_Read: recvfrom returned error: %s\n", LHNETPRIVATE_StrError());
}
}
+#endif
return value;
}
-int LHNET_Write(lhnetsocket_t *lhnetsocket, const void *content, int contentlength, const lhnetaddress_t *address)
+int LHNET_Write(lhnetsocket_t *lhnetsocket, const void *content, int contentlength, const lhnetaddress_t *vaddress)
{
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
int value = -1;
if (!lhnetsocket || !address || !content || contentlength < 1)
return -1;
if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_LOOP)
{
lhnetpacket_t *p;
- p = Z_Malloc(sizeof(*p) + contentlength);
+ p = (lhnetpacket_t *)Z_Malloc(sizeof(*p) + contentlength);
p->data = (void *)(p + 1);
memcpy(p->data, content, contentlength);
p->length = contentlength;
- p->sourceport = lhnetsocket->address.addressdata.loop.port;
- p->destinationport = address->addressdata.loop.port;
+ p->sourceport = lhnetsocket->address.port;
+ p->destinationport = address->port;
p->timeout = time(NULL) + 10;
p->next = &lhnet_packetlist;
p->prev = p->next->prev;
p->next->prev = p;
p->prev->next = p;
#ifndef STANDALONETEST
- p->sentdoubletime = Sys_DoubleTime();
+ p->sentdoubletime = realtime;
#endif
value = contentlength;
}
else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
{
- value = sendto(lhnetsocket->inetsocket, content, contentlength, 0, (struct sockaddr *)&address->addressdata.inet4, sizeof(address->addressdata.inet4));
+ value = sendto(lhnetsocket->inetsocket, (char *)content, contentlength, LHNET_SENDTO_FLAGS, (struct sockaddr *)&address->addr.in, sizeof(struct sockaddr_in));
if (value == -1)
{
-#ifdef WIN32
- int e = WSAGetLastError();
- if (e == WSAEWOULDBLOCK)
- return 0;
-#else
- if (errno == EWOULDBLOCK)
+ if (SOCKETERRNO == EWOULDBLOCK)
return 0;
-#endif
+ Con_Printf("LHNET_Write: sendto returned error: %s\n", LHNETPRIVATE_StrError());
}
}
+#ifdef SUPPORTIPV6
else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
{
- value = sendto(lhnetsocket->inetsocket, content, contentlength, 0, (struct sockaddr *)&address->addressdata.inet6, sizeof(address->addressdata.inet6));
+ value = sendto(lhnetsocket->inetsocket, (char *)content, contentlength, 0, (struct sockaddr *)&address->addr.in6, sizeof(struct sockaddr_in6));
if (value == -1)
{
-#ifdef WIN32
- int e = WSAGetLastError();
- if (e == WSAEWOULDBLOCK)
- return 0;
-#else
- if (errno == EWOULDBLOCK)
+ if (SOCKETERRNO == EWOULDBLOCK)
return 0;
-#endif
+ Con_Printf("LHNET_Write: sendto returned error: %s\n", LHNETPRIVATE_StrError());
}
}
+#endif
return value;
}
#ifdef STANDALONETEST
int main(int argc, char **argv)
{
+#if 1
+ char *buffer = "test", buffer2[1024];
+ int blen = strlen(buffer);
+ int b2len = 1024;
+ lhnetsocket_t *sock1;
+ lhnetsocket_t *sock2;
+ lhnetaddress_t myaddy1;
+ lhnetaddress_t myaddy2;
+ lhnetaddress_t myaddy3;
+ lhnetaddress_t localhostaddy1;
+ lhnetaddress_t localhostaddy2;
+ int test1;
+ int test2;
+
+ printf("calling LHNET_Init\n");
+ LHNET_Init();
+
+ printf("calling LHNET_FromPort twice to create two local addresses\n");
+ LHNETADDRESS_FromPort(&myaddy1, LHNETADDRESSTYPE_INET4, 4000);
+ LHNETADDRESS_FromPort(&myaddy2, LHNETADDRESSTYPE_INET4, 4001);
+ LHNETADDRESS_FromString(&localhostaddy1, "127.0.0.1", 4000);
+ LHNETADDRESS_FromString(&localhostaddy2, "127.0.0.1", 4001);
+
+ printf("calling LHNET_OpenSocket_Connectionless twice to create two local sockets\n");
+ sock1 = LHNET_OpenSocket_Connectionless(&myaddy1);
+ sock2 = LHNET_OpenSocket_Connectionless(&myaddy2);
+
+ printf("calling LHNET_Write to send a packet from the first socket to the second socket\n");
+ test1 = LHNET_Write(sock1, buffer, blen, &localhostaddy2);
+ printf("sleeping briefly\n");
+#ifdef WIN32
+ Sleep (100);
+#else
+ usleep (100000);
+#endif
+ printf("calling LHNET_Read on the second socket to read the packet sent from the first socket\n");
+ test2 = LHNET_Read(sock2, buffer2, b2len - 1, &myaddy3);
+ if (test2 > 0)
+ Con_Printf("socket to socket test succeeded\n");
+ else
+ Con_Printf("socket to socket test failed\n");
+
+#ifdef WIN32
+ printf("press any key to exit\n");
+ getchar();
+#endif
+
+ printf("calling LHNET_Shutdown\n");
+ LHNET_Shutdown();
+ printf("exiting\n");
+ return 0;
+#else
lhnetsocket_t *sock[16], *sendsock;
int i;
int numsockets;
}
printf("Testing code for lhnet.c\nusage: lhnettest <localportnumber> [<sendnumberoftimes> <sendaddress:port> <sendmessage>]\n");
return -1;
+#endif
}
#endif