--- /dev/null
+
+// Written by Forest Hale 2003-06-15 and placed into public domain.
+
+#ifdef WIN32
+#ifdef _MSC_VER
+#pragma comment(lib, "ws2_32.lib")
+#endif
+# ifdef SUPPORTIPV6
+// Windows XP or higher is required for getaddrinfo, but the inclusion of wspiapi provides fallbacks for older versions
+# define _WIN32_WINNT 0x0501
+# endif
+# include <winsock2.h>
+# include <ws2tcpip.h>
+# ifdef USE_WSPIAPI_H
+# include <wspiapi.h>
+# endif
+#endif
+
+#ifndef STANDALONETEST
+#include "quakedef.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <string.h>
+#ifndef WIN32
+#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 "zone.h"
+#include "sys.h"
+#include "netconn.h"
+#else
+#define Con_Print printf
+#define Con_Printf printf
+#define Z_Malloc malloc
+#define Z_Free free
+#endif
+
+#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
+{
+ lhnetaddressnative_t address;
+ double expirationtime;
+ char name[64];
+}
+namecache[MAX_NAMECACHE];
+static int namecacheposition = 0;
+
+int LHNETADDRESS_FromPort(lhnetaddress_t *vaddress, lhnetaddresstype_t addresstype, int port)
+{
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
+ if (!address)
+ return 0;
+ switch(addresstype)
+ {
+ default:
+ break;
+ case LHNETADDRESSTYPE_LOOP:
+ // local:port (loopback)
+ memset(address, 0, sizeof(*address));
+ address->addresstype = LHNETADDRESSTYPE_LOOP;
+ 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->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->port = port;
+ address->addr.in6.sin6_family = AF_INET6;
+ address->addr.in6.sin6_port = htons((unsigned short)port);
+ return 1;
+#endif
+ }
+ return 0;
+}
+
+#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];
+#ifdef STANDALONETEST
+ char string2[128];
+#endif
+ if (!address || !string || !*string)
+ return 0;
+ memset(address, 0, sizeof(*address));
+ address->addresstype = LHNETADDRESSTYPE_NONE;
+ port = 0;
+ colon = strrchr(string, ':');
+ if (colon && (colon == strchr(string, ':') || (string[0] == '[' && colon - string > 0 && colon[-1] == ']')))
+ // EITHER: colon is the ONLY colon OR: colon comes after [...] delimited IPv6 address
+ // fixes misparsing of IPv6 addresses without port
+ {
+ port = atoi(colon + 1);
+ }
+ else
+ colon = string + strlen(string);
+ if (port == 0)
+ port = defaultport;
+ namelen = colon - string;
+ if (namelen > 127)
+ namelen = 127;
+ if (string[0] == '[' && namelen > 0 && string[namelen-1] == ']') // ipv6
+ {
+ string++;
+ namelen -= 2;
+ }
+ memcpy(name, string, namelen);
+ name[namelen] = 0;
+ // 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 (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)
+ {
+#ifdef SUPPORTIPV6
+ address->addr.in6.sin6_port = htons((unsigned short)port);
+ return 1;
+#endif
+ }
+ else if (address->addresstype == LHNETADDRESSTYPE_INET4)
+ {
+ address->addr.in.sin_port = htons((unsigned short)port);
+ return 1;
+ }
+ return 0;
+ }
+ // try gethostbyname (handles dns and other ip formats)
+ hostentry = gethostbyname(name);
+ if (hostentry)
+ {
+ if (hostentry->h_addrtype == AF_INET6)
+ {
+#ifdef SUPPORTIPV6
+ // great it worked
+ address->addresstype = LHNETADDRESSTYPE_INET6;
+ 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
+ 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 == AF_INET)
+ {
+ // great it worked
+ address->addresstype = LHNETADDRESSTYPE_INET4;
+ 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
+ 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 < (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 *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;
+ switch(address->addresstype)
+ {
+ default:
+ break;
+ case LHNETADDRESSTYPE_LOOP:
+ if (includeport)
+ {
+ if (stringbuffersize >= 12)
+ {
+ dpsnprintf(string, stringbuffersize, "local:%d", address->port);
+ return 1;
+ }
+ }
+ else
+ {
+ if (stringbuffersize >= 6)
+ {
+ memcpy(string, "local", 6);
+ return 1;
+ }
+ }
+ break;
+ case LHNETADDRESSTYPE_INET4:
+ a = (const unsigned char *)(&address->addr.in.sin_addr);
+ if (includeport)
+ {
+ if (stringbuffersize >= 22)
+ {
+ dpsnprintf(string, stringbuffersize, "%d.%d.%d.%d:%d", a[0], a[1], a[2], a[3], address->port);
+ return 1;
+ }
+ }
+ else
+ {
+ if (stringbuffersize >= 16)
+ {
+ 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)
+ {
+ 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;
+ }
+ }
+ else
+ {
+ if (stringbuffersize >= 80)
+ {
+ 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;
+}
+
+int LHNETADDRESS_GetAddressType(const lhnetaddress_t *address)
+{
+ if (address)
+ return address->addresstype;
+ else
+ 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;
+ return address->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:
+ return 1;
+ case LHNETADDRESSTYPE_INET4:
+ address->addr.in.sin_port = htons((unsigned short)port);
+ return 1;
+#ifdef SUPPORTIPV6
+ case LHNETADDRESSTYPE_INET6:
+ address->addr.in6.sin6_port = htons((unsigned short)port);
+ return 1;
+#endif
+ default:
+ return 0;
+ }
+}
+
+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)
+ return 1;
+ switch(address1->addresstype)
+ {
+ case LHNETADDRESSTYPE_LOOP:
+ if (address1->port != address2->port)
+ return -1;
+ return 0;
+ case LHNETADDRESSTYPE_INET4:
+ if (address1->addr.in.sin_family != address2->addr.in.sin_family)
+ return 1;
+ if (memcmp(&address1->addr.in.sin_addr, &address2->addr.in.sin_addr, sizeof(address1->addr.in.sin_addr)))
+ return 1;
+ if (address1->port != address2->port)
+ return -1;
+ return 0;
+#ifdef SUPPORTIPV6
+ case LHNETADDRESSTYPE_INET6:
+ if (address1->addr.in6.sin6_family != address2->addr.in6.sin6_family)
+ return 1;
+ if (memcmp(&address1->addr.in6.sin6_addr, &address2->addr.in6.sin6_addr, sizeof(address1->addr.in6.sin6_addr)))
+ return 1;
+ if (address1->port != address2->port)
+ return -1;
+ return 0;
+#endif
+ default:
+ return 1;
+ }
+}
+
+typedef struct lhnetpacket_s
+{
+ void *data;
+ int length;
+ int sourceport;
+ int destinationport;
+ time_t timeout;
+#ifndef STANDALONETEST
+ double sentdoubletime;
+#endif
+ struct lhnetpacket_s *next, *prev;
+}
+lhnetpacket_t;
+
+static int lhnet_active;
+static lhnetsocket_t lhnet_socketlist;
+static lhnetpacket_t lhnet_packetlist;
+#ifdef WIN32
+static int lhnet_didWSAStartup = 0;
+static WSADATA lhnet_winsockdata;
+#endif
+
+void LHNET_Init(void)
+{
+ if (lhnet_active)
+ return;
+ 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)
+{
+ lhnetpacket_t *p;
+ if (!lhnet_active)
+ return;
+ while (lhnet_socketlist.next != &lhnet_socketlist)
+ LHNET_CloseSocket(lhnet_socketlist.next);
+ while (lhnet_packetlist.next != &lhnet_packetlist)
+ {
+ p = lhnet_packetlist.next;
+ p->prev->next = p->next;
+ p->next->prev = p->prev;
+ Z_Free(p);
+ }
+#ifdef WIN32
+ if (lhnet_didWSAStartup)
+ {
+ lhnet_didWSAStartup = 0;
+ WSACleanup();
+ }
+#endif
+ lhnet_active = 0;
+}
+
+static const char *LHNETPRIVATE_StrError(void)
+{
+#ifdef WIN32
+ int i = WSAGetLastError();
+ switch (i)
+ {
+ case WSAEINTR: return "WSAEINTR";
+ case WSAEBADF: return "WSAEBADF";
+ case WSAEACCES: return "WSAEACCES";
+ case WSAEFAULT: return "WSAEFAULT";
+ case WSAEINVAL: return "WSAEINVAL";
+ case WSAEMFILE: return "WSAEMFILE";
+ case WSAEWOULDBLOCK: return "WSAEWOULDBLOCK";
+ case WSAEINPROGRESS: return "WSAEINPROGRESS";
+ case WSAEALREADY: return "WSAEALREADY";
+ case WSAENOTSOCK: return "WSAENOTSOCK";
+ case WSAEDESTADDRREQ: return "WSAEDESTADDRREQ";
+ case WSAEMSGSIZE: return "WSAEMSGSIZE";
+ case WSAEPROTOTYPE: return "WSAEPROTOTYPE";
+ case WSAENOPROTOOPT: return "WSAENOPROTOOPT";
+ case WSAEPROTONOSUPPORT: return "WSAEPROTONOSUPPORT";
+ case WSAESOCKTNOSUPPORT: return "WSAESOCKTNOSUPPORT";
+ case WSAEOPNOTSUPP: return "WSAEOPNOTSUPP";
+ case WSAEPFNOSUPPORT: return "WSAEPFNOSUPPORT";
+ case WSAEAFNOSUPPORT: return "WSAEAFNOSUPPORT";
+ case WSAEADDRINUSE: return "WSAEADDRINUSE";
+ case WSAEADDRNOTAVAIL: return "WSAEADDRNOTAVAIL";
+ case WSAENETDOWN: return "WSAENETDOWN";
+ case WSAENETUNREACH: return "WSAENETUNREACH";
+ case WSAENETRESET: return "WSAENETRESET";
+ case WSAECONNABORTED: return "WSAECONNABORTED";
+ case WSAECONNRESET: return "WSAECONNRESET";
+ case WSAENOBUFS: return "WSAENOBUFS";
+ case WSAEISCONN: return "WSAEISCONN";
+ case WSAENOTCONN: return "WSAENOTCONN";
+ case WSAESHUTDOWN: return "WSAESHUTDOWN";
+ case WSAETOOMANYREFS: return "WSAETOOMANYREFS";
+ case WSAETIMEDOUT: return "WSAETIMEDOUT";
+ case WSAECONNREFUSED: return "WSAECONNREFUSED";
+ case WSAELOOP: return "WSAELOOP";
+ case WSAENAMETOOLONG: return "WSAENAMETOOLONG";
+ case WSAEHOSTDOWN: return "WSAEHOSTDOWN";
+ case WSAEHOSTUNREACH: return "WSAEHOSTUNREACH";
+ case WSAENOTEMPTY: return "WSAENOTEMPTY";
+ case WSAEPROCLIM: return "WSAEPROCLIM";
+ case WSAEUSERS: return "WSAEUSERS";
+ case WSAEDQUOT: return "WSAEDQUOT";
+ case WSAESTALE: return "WSAESTALE";
+ case WSAEREMOTE: return "WSAEREMOTE";
+ case WSAEDISCON: return "WSAEDISCON";
+ case 0: return "no error";
+ default: return "unknown WSAE error";
+ }
+#else
+ return strerror(errno);
+#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;
+#if defined(WIN32) && !defined(_MSC_VER)
+ FD_SET((int)s->inetsocket, &fdreadset);
+#else
+ FD_SET((unsigned int)s->inetsocket, &fdreadset);
+#endif
+ }
+ }
+ 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 = (lhnetsocket_t *)Z_Malloc(sizeof(*lhnetsocket));
+ if (lhnetsocket)
+ {
+ memset(lhnetsocket, 0, sizeof(*lhnetsocket));
+ lhnetsocket->address = *address;
+ switch(lhnetsocket->address.addresstype)
+ {
+ case LHNETADDRESSTYPE_LOOP:
+ 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.port = 1024;
+ for (;;)
+ {
+ for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
+ if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.port == lhnetsocket->address.port)
+ break;
+ if (s == &lhnet_socketlist)
+ break;
+ 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.port == lhnetsocket->address.port)
+ break;
+ if (s == &lhnet_socketlist && lhnetsocket->address.port != 0)
+ {
+ lhnetsocket->next = &lhnet_socketlist;
+ lhnetsocket->prev = lhnetsocket->next->prev;
+ lhnetsocket->next->prev = lhnetsocket;
+ lhnetsocket->prev->next = lhnetsocket;
+ return lhnetsocket;
+ }
+ break;
+ case LHNETADDRESSTYPE_INET4:
+#ifdef SUPPORTIPV6
+ case LHNETADDRESSTYPE_INET6:
+#endif
+#ifdef WIN32
+ if (lhnet_didWSAStartup)
+ {
+#endif
+#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;
+#else
+ char _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
+ // 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
+ {
+ 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: setsockopt(IPV6_V6ONLY) returned error: %s\n", LHNETPRIVATE_StrError());
+#endif
+ }
+ else
+ Con_Printf("LHNET_OpenSocket_Connectionless: ioctlsocket returned error: %s\n", LHNETPRIVATE_StrError());
+ closesocket(lhnetsocket->inetsocket);
+ }
+ else
+ Con_Printf("LHNET_OpenSocket_Connectionless: socket returned error: %s\n", LHNETPRIVATE_StrError());
+#ifdef WIN32
+ }
+ else
+ Con_Print("LHNET_OpenSocket_Connectionless: can't open a socket (WSAStartup failed during LHNET_Init)\n");
+#endif
+ break;
+ default:
+ break;
+ }
+ Z_Free(lhnetsocket);
+ }
+ return NULL;
+}
+
+void LHNET_CloseSocket(lhnetsocket_t *lhnetsocket)
+{
+ if (lhnetsocket)
+ {
+ // unlink from socket list
+ if (lhnetsocket->next == NULL)
+ return; // invalid!
+ lhnetsocket->next->prev = lhnetsocket->prev;
+ lhnetsocket->prev->next = lhnetsocket->next;
+ lhnetsocket->next = NULL;
+ lhnetsocket->prev = NULL;
+
+ // no special close code for loopback, just inet
+ if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4 || lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
+ {
+ closesocket(lhnetsocket->inetsocket);
+ }
+ Z_Free(lhnetsocket);
+ }
+}
+
+lhnetaddress_t *LHNET_AddressFromSocket(lhnetsocket_t *sock)
+{
+ if (sock)
+ return &sock->address;
+ else
+ return NULL;
+}
+
+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;
+ if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_LOOP)
+ {
+ time_t currenttime;
+ lhnetpacket_t *p, *pnext;
+ // scan for any old packets to timeout while searching for a packet
+ // that is waiting to be delivered to this socket
+ currenttime = time(NULL);
+ for (p = lhnet_packetlist.next;p != &lhnet_packetlist;p = pnext)
+ {
+ pnext = p->next;
+ if (p->timeout < currenttime)
+ {
+ // unlink and free
+ p->next->prev = p->prev;
+ p->prev->next = p->next;
+ Z_Free(p);
+ continue;
+ }
+#ifndef STANDALONETEST
+ if (cl_netlocalping.value && (realtime - cl_netlocalping.value * (1.0 / 2000.0)) < p->sentdoubletime)
+ continue;
+#endif
+ if (value == 0 && p->destinationport == lhnetsocket->address.port)
+ {
+ if (p->length <= maxcontentlength)
+ {
+ lhnetaddressnative_t *localaddress = (lhnetaddressnative_t *)&lhnetsocket->address;
+ *address = *localaddress;
+ address->port = p->sourceport;
+ memcpy(content, p->data, p->length);
+ value = p->length;
+ }
+ else
+ value = -1;
+ // unlink and free
+ p->next->prev = p->prev;
+ p->prev->next = p->next;
+ Z_Free(p);
+ }
+ }
+ }
+ else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
+ {
+ SOCKLEN_T inetaddresslength;
+ address->addresstype = LHNETADDRESSTYPE_NONE;
+ 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 < 0)
+ {
+ int e = SOCKETERRNO;
+ if (e == EWOULDBLOCK)
+ return 0;
+ switch (e)
+ {
+ case ECONNREFUSED:
+ Con_Print("Connection refused\n");
+ return 0;
+ }
+ Con_DPrintf("LHNET_Read: recvfrom returned error: %s\n", LHNETPRIVATE_StrError());
+ }
+ }
+#ifdef SUPPORTIPV6
+ else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
+ {
+ SOCKLEN_T inetaddresslength;
+ address->addresstype = LHNETADDRESSTYPE_NONE;
+ inetaddresslength = sizeof(address->addr.in6);
+ value = recvfrom(lhnetsocket->inetsocket, (char *)content, maxcontentlength, LHNET_RECVFROM_FLAGS, &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)
+ {
+ int e = SOCKETERRNO;
+ if (e == EWOULDBLOCK)
+ return 0;
+ switch (e)
+ {
+ case ECONNREFUSED:
+ Con_Print("Connection refused\n");
+ return 0;
+ }
+ Con_DPrintf("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 *vaddress)
+{
+ lhnetaddressnative_t *address = (lhnetaddressnative_t *)vaddress;
+ int value = -1;
+ if (!lhnetsocket || !address || !content || contentlength < 1)
+ return -1;
+ if (lhnetsocket->address.addresstype != address->addresstype)
+ return -1;
+ if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_LOOP)
+ {
+ lhnetpacket_t *p;
+ 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.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 = realtime;
+#endif
+ value = contentlength;
+ }
+ else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
+ {
+ value = sendto(lhnetsocket->inetsocket, (char *)content, contentlength, LHNET_SENDTO_FLAGS, (struct sockaddr *)&address->addr.in, sizeof(struct sockaddr_in));
+ if (value == -1)
+ {
+ if (SOCKETERRNO == EWOULDBLOCK)
+ return 0;
+ Con_DPrintf("LHNET_Write: sendto returned error: %s\n", LHNETPRIVATE_StrError());
+ }
+ }
+#ifdef SUPPORTIPV6
+ else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
+ {
+ value = sendto(lhnetsocket->inetsocket, (char *)content, contentlength, 0, (struct sockaddr *)&address->addr.in6, sizeof(struct sockaddr_in6));
+ if (value == -1)
+ {
+ if (SOCKETERRNO == EWOULDBLOCK)
+ return 0;
+ Con_DPrintf("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;
+ int count;
+ int length;
+ int port;
+ time_t oldtime;
+ time_t newtime;
+ char *sendmessage;
+ int sendmessagelength;
+ lhnetaddress_t destaddress;
+ lhnetaddress_t receiveaddress;
+ lhnetaddress_t sockaddress[16];
+ char buffer[1536], addressstring[128], addressstring2[128];
+ if ((argc == 2 || argc == 5) && (port = atoi(argv[1])) >= 1 && port < 65535)
+ {
+ printf("calling LHNET_Init()\n");
+ LHNET_Init();
+
+ numsockets = 0;
+ LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_LOOP, port);
+ LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_INET4, port);
+ LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_INET6, port+1);
+
+ sendsock = NULL;
+ sendmessage = NULL;
+ sendmessagelength = 0;
+
+ for (i = 0;i < numsockets;i++)
+ {
+ LHNETADDRESS_ToString(&sockaddress[i], addressstring, sizeof(addressstring), 1);
+ printf("calling LHNET_OpenSocket_Connectionless(<%s>)\n", addressstring);
+ if ((sock[i] = LHNET_OpenSocket_Connectionless(&sockaddress[i])))
+ {
+ LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
+ printf("opened socket successfully (address \"%s\")\n", addressstring2);
+ }
+ else
+ {
+ printf("failed to open socket\n");
+ if (i == 0)
+ {
+ LHNET_Shutdown();
+ return -1;
+ }
+ }
+ }
+ count = 0;
+ if (argc == 5)
+ {
+ count = atoi(argv[2]);
+ if (LHNETADDRESS_FromString(&destaddress, argv[3], -1))
+ {
+ sendmessage = argv[4];
+ sendmessagelength = strlen(sendmessage);
+ sendsock = NULL;
+ for (i = 0;i < numsockets;i++)
+ if (sock[i] && LHNETADDRESS_GetAddressType(&destaddress) == LHNETADDRESS_GetAddressType(&sockaddress[i]))
+ sendsock = sock[i];
+ if (sendsock == NULL)
+ {
+ printf("Could not find an open socket matching the addresstype (%i) of destination address, switching to listen only mode\n", LHNETADDRESS_GetAddressType(&destaddress));
+ argc = 2;
+ }
+ }
+ else
+ {
+ printf("LHNETADDRESS_FromString did not like the address \"%s\", switching to listen only mode\n", argv[3]);
+ argc = 2;
+ }
+ }
+ printf("started, now listening for \"exit\" on the opened sockets\n");
+ oldtime = time(NULL);
+ for(;;)
+ {
+#ifdef WIN32
+ Sleep(1);
+#else
+ usleep(1);
+#endif
+ for (i = 0;i < numsockets;i++)
+ {
+ if (sock[i])
+ {
+ length = LHNET_Read(sock[i], buffer, sizeof(buffer), &receiveaddress);
+ if (length < 0)
+ printf("localsock read error: length < 0");
+ else if (length > 0 && length < (int)sizeof(buffer))
+ {
+ buffer[length] = 0;
+ LHNETADDRESS_ToString(&receiveaddress, addressstring, sizeof(addressstring), 1);
+ LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
+ printf("received message \"%s\" from \"%s\" on socket \"%s\"\n", buffer, addressstring, addressstring2);
+ if (!strcmp(buffer, "exit"))
+ break;
+ }
+ }
+ }
+ if (i < numsockets)
+ break;
+ if (argc == 5 && count > 0)
+ {
+ newtime = time(NULL);
+ if (newtime != oldtime)
+ {
+ LHNETADDRESS_ToString(&destaddress, addressstring, sizeof(addressstring), 1);
+ LHNETADDRESS_ToString(LHNET_AddressFromSocket(sendsock), addressstring2, sizeof(addressstring2), 1);
+ printf("calling LHNET_Write(<%s>, \"%s\", %i, <%s>)\n", addressstring2, sendmessage, sendmessagelength, addressstring);
+ length = LHNET_Write(sendsock, sendmessage, sendmessagelength, &destaddress);
+ if (length == sendmessagelength)
+ printf("sent successfully\n");
+ else
+ printf("LH_Write failed, returned %i (length of message was %i)\n", length, strlen(argv[4]));
+ oldtime = newtime;
+ count--;
+ if (count <= 0)
+ printf("Done sending, still listening for \"exit\"\n");
+ }
+ }
+ }
+ for (i = 0;i < numsockets;i++)
+ {
+ if (sock[i])
+ {
+ LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
+ printf("calling LHNET_CloseSocket(<%s>)\n", addressstring2);
+ LHNET_CloseSocket(sock[i]);
+ }
+ }
+ printf("calling LHNET_Shutdown()\n");
+ LHNET_Shutdown();
+ return 0;
+ }
+ printf("Testing code for lhnet.c\nusage: lhnettest <localportnumber> [<sendnumberoftimes> <sendaddress:port> <sendmessage>]\n");
+ return -1;
+#endif
+}
+#endif
+
projects / voretournament / voretournament.git / blobdiff