2 // Written by Forest Hale 2003-06-15 and placed into public domain.
12 #include <sys/socket.h>
13 #include <sys/ioctl.h>
16 #include <netinet/in.h>
17 #include <arpa/inet.h>
21 #include <proto/socket.h>
24 // for Z_Malloc/Z_Free in quake
25 #ifndef STANDALONETEST
31 #define Con_Print printf
32 #define Con_Printf printf
33 #define Z_Malloc malloc
40 #define EWOULDBLOCK WSAEWOULDBLOCK
41 #define ECONNREFUSED WSAECONNREFUSED
43 #define SOCKETERRNO WSAGetLastError()
46 #elif defined(__MORPHOS__)
47 #define ioctlsocket IoctlSocket
48 #define closesocket CloseSocket
49 #define SOCKETERRNO Errno()
53 #define ioctlsocket ioctl
54 #define closesocket close
55 #define SOCKETERRNO errno
57 #define SOCKLEN_T socklen_t
60 // to make LHNETADDRESS_FromString resolve repeated hostnames faster, cache them
61 #define MAX_NAMECACHE 64
62 static struct namecache_s
64 lhnetaddress_t address;
65 double expirationtime;
68 namecache[MAX_NAMECACHE];
69 static int namecacheposition = 0;
71 int LHNETADDRESS_FromPort(lhnetaddress_t *address, int addresstype, int port)
77 case LHNETADDRESSTYPE_LOOP:
78 // local:port (loopback)
79 memset(address, 0, sizeof(*address));
80 address->addresstype = LHNETADDRESSTYPE_LOOP;
81 address->addressdata.loop.port = port;
83 case LHNETADDRESSTYPE_INET4:
84 // 0.0.0.0:port (INADDR_ANY, binds to all interfaces)
85 memset(address, 0, sizeof(*address));
86 address->addresstype = LHNETADDRESSTYPE_INET4;
87 address->addressdata.inet4.family = LHNETADDRESSTYPE_INET4_FAMILY;
88 address->addressdata.inet4.port = htons((unsigned short)port);
90 case LHNETADDRESSTYPE_INET6:
91 // [0:0:0:0:0:0:0:0]:port (IN6ADDR_ANY, binds to all interfaces)
92 memset(address, 0, sizeof(*address));
93 address->addresstype = LHNETADDRESSTYPE_INET6;
94 address->addressdata.inet6.family = LHNETADDRESSTYPE_INET6_FAMILY;
95 address->addressdata.inet6.port = htons((unsigned short)port);
101 int LHNETADDRESS_FromString(lhnetaddress_t *address, const char *string, int defaultport)
103 int i, port, namelen, d1, d2, d3, d4;
104 struct hostent *hostentry;
107 if (!address || !string || !*string)
109 memset(address, 0, sizeof(*address));
110 address->addresstype = LHNETADDRESSTYPE_NONE;
112 colon = strrchr(string, ':');
114 port = atoi(colon + 1);
116 colon = string + strlen(string);
119 namelen = colon - string;
122 if (string[0] == '[' && namelen > 0 && string[namelen-1] == ']') // ipv6
127 memcpy(name, string, namelen);
130 if (!strcmp(name, "local"))
132 address->addresstype = LHNETADDRESSTYPE_LOOP;
133 address->addressdata.loop.port = port;
136 // try to parse as dotted decimal ipv4 address first
137 // note this supports partial ip addresses
138 d1 = d2 = d3 = d4 = 0;
139 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)
141 // parsed a valid ipv4 address
142 address->addresstype = LHNETADDRESSTYPE_INET4;
143 address->addressdata.inet4.family = LHNETADDRESSTYPE_INET4_FAMILY;
144 address->addressdata.inet4.port = htons((unsigned short)port);
145 address->addressdata.inet4.address[0] = (unsigned char)d1;
146 address->addressdata.inet4.address[1] = (unsigned char)d2;
147 address->addressdata.inet4.address[2] = (unsigned char)d3;
148 address->addressdata.inet4.address[3] = (unsigned char)d4;
149 #ifdef STANDALONETEST
150 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));
154 for (i = 0;i < MAX_NAMECACHE;i++)
155 if (!strcmp(namecache[i].name, name))
157 #ifdef STANDALONETEST
158 if (i < MAX_NAMECACHE)
160 if (i < MAX_NAMECACHE && Sys_DoubleTime() < namecache[i].expirationtime)
163 *address = namecache[i].address;
164 if (address->addresstype == LHNETADDRESSTYPE_INET6)
166 address->addressdata.inet6.port = htons((unsigned short)port);
169 else if (address->addresstype == LHNETADDRESSTYPE_INET4)
171 address->addressdata.inet4.port = htons((unsigned short)port);
176 // try gethostbyname (handles dns and other ip formats)
177 hostentry = gethostbyname(name);
180 if (hostentry->h_addrtype == LHNETADDRESSTYPE_INET6_FAMILY)
183 address->addresstype = LHNETADDRESSTYPE_INET6;
184 address->addressdata.inet6.family = hostentry->h_addrtype;
185 address->addressdata.inet6.port = htons((unsigned short)port);
186 memcpy(address->addressdata.inet6.address, hostentry->h_addr_list[0], sizeof(address->addressdata.inet6.address));
187 for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
188 namecache[namecacheposition].name[i] = name[i];
189 namecache[namecacheposition].name[i] = 0;
190 #ifndef STANDALONETEST
191 namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 12 * 3600; // 12 hours
193 namecache[namecacheposition].address = *address;
194 namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
195 #ifdef STANDALONETEST
196 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));
200 else if (hostentry->h_addrtype == LHNETADDRESSTYPE_INET4_FAMILY)
203 address->addresstype = LHNETADDRESSTYPE_INET4;
204 address->addressdata.inet4.family = hostentry->h_addrtype;
205 address->addressdata.inet4.port = htons((unsigned short)port);
206 memcpy(address->addressdata.inet4.address, hostentry->h_addr_list[0], sizeof(address->addressdata.inet4.address));
207 for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
208 namecache[namecacheposition].name[i] = name[i];
209 namecache[namecacheposition].name[i] = 0;
210 #ifndef STANDALONETEST
211 namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 12 * 3600; // 12 hours
213 namecache[namecacheposition].address = *address;
214 namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
215 #ifdef STANDALONETEST
216 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));
221 #ifdef STANDALONETEST
222 printf("gethostbyname failed on address \"%s\"\n", name);
224 for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
225 namecache[namecacheposition].name[i] = name[i];
226 namecache[namecacheposition].name[i] = 0;
227 #ifndef STANDALONETEST
228 namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 12 * 3600; // 12 hours
230 namecache[namecacheposition].address.addresstype = LHNETADDRESSTYPE_NONE;
231 namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
235 int LHNETADDRESS_ToString(const lhnetaddress_t *address, char *string, int stringbuffersize, int includeport)
238 if (!address || !string || stringbuffersize < 1)
240 switch(address->addresstype)
244 case LHNETADDRESSTYPE_LOOP:
247 if (stringbuffersize >= 12)
249 sprintf(string, "local:%d", (int)address->addressdata.loop.port);
255 if (stringbuffersize >= 6)
257 memcpy(string, "local", 6);
262 case LHNETADDRESSTYPE_INET4:
265 if (stringbuffersize >= 22)
267 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));
273 if (stringbuffersize >= 16)
275 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]);
280 case LHNETADDRESSTYPE_INET6:
283 if (stringbuffersize >= 88)
285 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));
291 if (stringbuffersize >= 80)
293 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]);
302 int LHNETADDRESS_GetAddressType(const lhnetaddress_t *address)
305 return address->addresstype;
307 return LHNETADDRESSTYPE_NONE;
310 int LHNETADDRESS_GetPort(const lhnetaddress_t *address)
314 switch(address->addresstype)
316 case LHNETADDRESSTYPE_LOOP:
317 return address->addressdata.loop.port;
318 case LHNETADDRESSTYPE_INET4:
319 return ntohs(address->addressdata.inet4.port);
320 case LHNETADDRESSTYPE_INET6:
321 return ntohs(address->addressdata.inet6.port);
327 int LHNETADDRESS_SetPort(lhnetaddress_t *address, int port)
331 switch(address->addresstype)
333 case LHNETADDRESSTYPE_LOOP:
334 address->addressdata.loop.port = port;
336 case LHNETADDRESSTYPE_INET4:
337 address->addressdata.inet4.port = htons((unsigned short)port);
339 case LHNETADDRESSTYPE_INET6:
340 address->addressdata.inet6.port = htons((unsigned short)port);
347 int LHNETADDRESS_Compare(const lhnetaddress_t *address1, const lhnetaddress_t *address2)
349 if (!address1 || !address2)
351 if (address1->addresstype != address2->addresstype)
353 switch(address1->addresstype)
355 case LHNETADDRESSTYPE_LOOP:
356 if (address1->addressdata.loop.port != address2->addressdata.loop.port)
359 case LHNETADDRESSTYPE_INET4:
360 if (address1->addressdata.inet4.family != address2->addressdata.inet4.family)
362 if (memcmp(address1->addressdata.inet4.address, address2->addressdata.inet4.address, sizeof(address1->addressdata.inet4.address)))
364 if (address1->addressdata.inet4.port != address2->addressdata.inet4.port)
367 case LHNETADDRESSTYPE_INET6:
368 if (address1->addressdata.inet6.family != address2->addressdata.inet6.family)
370 if (memcmp(address1->addressdata.inet6.address, address2->addressdata.inet6.address, sizeof(address1->addressdata.inet6.address)))
372 if (address1->addressdata.inet6.port != address2->addressdata.inet6.port)
380 typedef struct lhnetpacket_s
387 #ifndef STANDALONETEST
388 double sentdoubletime;
390 struct lhnetpacket_s *next, *prev;
394 static int lhnet_active;
395 static lhnetsocket_t lhnet_socketlist;
396 static lhnetpacket_t lhnet_packetlist;
398 static int lhnet_didWSAStartup = 0;
399 static WSADATA lhnet_winsockdata;
402 void LHNET_Init(void)
406 lhnet_socketlist.next = lhnet_socketlist.prev = &lhnet_socketlist;
407 lhnet_packetlist.next = lhnet_packetlist.prev = &lhnet_packetlist;
410 lhnet_didWSAStartup = !WSAStartup(MAKEWORD(1, 1), &lhnet_winsockdata);
411 if (!lhnet_didWSAStartup)
412 Con_Print("LHNET_Init: WSAStartup failed, networking disabled\n");
416 void LHNET_Shutdown(void)
421 while (lhnet_socketlist.next != &lhnet_socketlist)
422 LHNET_CloseSocket(lhnet_socketlist.next);
423 while (lhnet_packetlist.next != &lhnet_packetlist)
425 p = lhnet_packetlist.next;
426 p->prev->next = p->next;
427 p->next->prev = p->prev;
431 if (lhnet_didWSAStartup)
433 lhnet_didWSAStartup = 0;
440 static const char *LHNETPRIVATE_StrError(void)
443 int i = WSAGetLastError();
446 case WSAEINTR: return "WSAEINTR";
447 case WSAEBADF: return "WSAEBADF";
448 case WSAEACCES: return "WSAEACCES";
449 case WSAEFAULT: return "WSAEFAULT";
450 case WSAEINVAL: return "WSAEINVAL";
451 case WSAEMFILE: return "WSAEMFILE";
452 case WSAEWOULDBLOCK: return "WSAEWOULDBLOCK";
453 case WSAEINPROGRESS: return "WSAEINPROGRESS";
454 case WSAEALREADY: return "WSAEALREADY";
455 case WSAENOTSOCK: return "WSAENOTSOCK";
456 case WSAEDESTADDRREQ: return "WSAEDESTADDRREQ";
457 case WSAEMSGSIZE: return "WSAEMSGSIZE";
458 case WSAEPROTOTYPE: return "WSAEPROTOTYPE";
459 case WSAENOPROTOOPT: return "WSAENOPROTOOPT";
460 case WSAEPROTONOSUPPORT: return "WSAEPROTONOSUPPORT";
461 case WSAESOCKTNOSUPPORT: return "WSAESOCKTNOSUPPORT";
462 case WSAEOPNOTSUPP: return "WSAEOPNOTSUPP";
463 case WSAEPFNOSUPPORT: return "WSAEPFNOSUPPORT";
464 case WSAEAFNOSUPPORT: return "WSAEAFNOSUPPORT";
465 case WSAEADDRINUSE: return "WSAEADDRINUSE";
466 case WSAEADDRNOTAVAIL: return "WSAEADDRNOTAVAIL";
467 case WSAENETDOWN: return "WSAENETDOWN";
468 case WSAENETUNREACH: return "WSAENETUNREACH";
469 case WSAENETRESET: return "WSAENETRESET";
470 case WSAECONNABORTED: return "WSAECONNABORTED";
471 case WSAECONNRESET: return "WSAECONNRESET";
472 case WSAENOBUFS: return "WSAENOBUFS";
473 case WSAEISCONN: return "WSAEISCONN";
474 case WSAENOTCONN: return "WSAENOTCONN";
475 case WSAESHUTDOWN: return "WSAESHUTDOWN";
476 case WSAETOOMANYREFS: return "WSAETOOMANYREFS";
477 case WSAETIMEDOUT: return "WSAETIMEDOUT";
478 case WSAECONNREFUSED: return "WSAECONNREFUSED";
479 case WSAELOOP: return "WSAELOOP";
480 case WSAENAMETOOLONG: return "WSAENAMETOOLONG";
481 case WSAEHOSTDOWN: return "WSAEHOSTDOWN";
482 case WSAEHOSTUNREACH: return "WSAEHOSTUNREACH";
483 case WSAENOTEMPTY: return "WSAENOTEMPTY";
484 case WSAEPROCLIM: return "WSAEPROCLIM";
485 case WSAEUSERS: return "WSAEUSERS";
486 case WSAEDQUOT: return "WSAEDQUOT";
487 case WSAESTALE: return "WSAESTALE";
488 case WSAEREMOTE: return "WSAEREMOTE";
489 case WSAEDISCON: return "WSAEDISCON";
490 case 0: return "no error";
491 default: return "unknown WSAE error";
494 return strerror(errno);
498 lhnetsocket_t *LHNET_OpenSocket_Connectionless(lhnetaddress_t *address)
500 lhnetsocket_t *lhnetsocket, *s;
503 lhnetsocket = (lhnetsocket_t *)Z_Malloc(sizeof(*lhnetsocket));
506 memset(lhnetsocket, 0, sizeof(*lhnetsocket));
507 lhnetsocket->address = *address;
508 switch(lhnetsocket->address.addresstype)
510 case LHNETADDRESSTYPE_LOOP:
511 if (lhnetsocket->address.addressdata.loop.port == 0)
513 // allocate a port dynamically
514 // this search will always terminate because there is never
515 // an allocated socket with port 0, so if the number wraps it
516 // will find the port is unused, and then refuse to use port
517 // 0, causing an intentional failure condition
518 lhnetsocket->address.addressdata.loop.port = 1024;
521 for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
522 if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.addressdata.loop.port == lhnetsocket->address.addressdata.loop.port)
524 if (s == &lhnet_socketlist)
526 lhnetsocket->address.addressdata.loop.port++;
529 // check if the port is available
530 for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
531 if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.addressdata.loop.port == lhnetsocket->address.addressdata.loop.port)
533 if (s == &lhnet_socketlist && lhnetsocket->address.addressdata.loop.port != 0)
535 lhnetsocket->next = &lhnet_socketlist;
536 lhnetsocket->prev = lhnetsocket->next->prev;
537 lhnetsocket->next->prev = lhnetsocket;
538 lhnetsocket->prev->next = lhnetsocket;
542 case LHNETADDRESSTYPE_INET4:
543 case LHNETADDRESSTYPE_INET6:
545 if (lhnet_didWSAStartup)
548 if ((lhnetsocket->inetsocket = socket(address->addresstype == LHNETADDRESSTYPE_INET6 ? LHNETADDRESSTYPE_INET6_FAMILY : LHNETADDRESSTYPE_INET4_FAMILY, SOCK_DGRAM, IPPROTO_UDP)) != -1)
555 if (ioctlsocket(lhnetsocket->inetsocket, FIONBIO, &_true) != -1)
558 namelen = address->addresstype == LHNETADDRESSTYPE_INET6 ? sizeof(lhnetsocket->address.addressdata.inet6) : sizeof(lhnetsocket->address.addressdata.inet4);
559 if (bind(lhnetsocket->inetsocket, (struct sockaddr *)&lhnetsocket->address.addressdata, namelen) != -1)
562 getsockname(lhnetsocket->inetsocket, (struct sockaddr *)&lhnetsocket->address.addressdata, &namelen);
563 // enable broadcast on this socket
564 setsockopt(lhnetsocket->inetsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i));
565 lhnetsocket->next = &lhnet_socketlist;
566 lhnetsocket->prev = lhnetsocket->next->prev;
567 lhnetsocket->next->prev = lhnetsocket;
568 lhnetsocket->prev->next = lhnetsocket;
572 Con_Printf("LHNET_OpenSocket_Connectionless: bind returned error: %s\n", LHNETPRIVATE_StrError());
575 Con_Printf("LHNET_OpenSocket_Connectionless: ioctlsocket returned error: %s\n", LHNETPRIVATE_StrError());
576 closesocket(lhnetsocket->inetsocket);
579 Con_Printf("LHNET_OpenSocket_Connectionless: socket returned error: %s\n", LHNETPRIVATE_StrError());
583 Con_Print("LHNET_OpenSocket_Connectionless: can't open a socket (WSAStartup failed during LHNET_Init)\n");
594 void LHNET_CloseSocket(lhnetsocket_t *lhnetsocket)
598 // unlink from socket list
599 if (lhnetsocket->next == NULL)
601 lhnetsocket->next->prev = lhnetsocket->prev;
602 lhnetsocket->prev->next = lhnetsocket->next;
603 lhnetsocket->next = NULL;
604 lhnetsocket->prev = NULL;
606 // no special close code for loopback, just inet
607 if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4 || lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
609 closesocket(lhnetsocket->inetsocket);
615 lhnetaddress_t *LHNET_AddressFromSocket(lhnetsocket_t *sock)
618 return &sock->address;
623 int LHNET_Read(lhnetsocket_t *lhnetsocket, void *content, int maxcontentlength, lhnetaddress_t *address)
626 if (!lhnetsocket || !address || !content || maxcontentlength < 1)
628 if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_LOOP)
631 lhnetpacket_t *p, *pnext;
632 // scan for any old packets to timeout while searching for a packet
633 // that is waiting to be delivered to this socket
634 currenttime = time(NULL);
635 for (p = lhnet_packetlist.next;p != &lhnet_packetlist;p = pnext)
638 if (p->timeout < currenttime)
641 p->next->prev = p->prev;
642 p->prev->next = p->next;
646 #ifndef STANDALONETEST
647 if (cl_netlocalping.value && (Sys_DoubleTime() - cl_netlocalping.value * (1.0 / 2000.0)) < p->sentdoubletime)
650 if (value == 0 && p->destinationport == lhnetsocket->address.addressdata.loop.port)
652 if (p->length <= maxcontentlength)
654 *address = lhnetsocket->address;
655 address->addressdata.loop.port = p->sourceport;
656 memcpy(content, p->data, p->length);
662 p->next->prev = p->prev;
663 p->prev->next = p->next;
668 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
670 unsigned int inetaddresslength;
671 address->addresstype = LHNETADDRESSTYPE_NONE;
672 inetaddresslength = sizeof(address->addressdata.inet4);
673 value = recvfrom(lhnetsocket->inetsocket, content, maxcontentlength, 0, (struct sockaddr *)&address->addressdata.inet4, &inetaddresslength);
676 address->addresstype = LHNETADDRESSTYPE_INET4;
679 else if (value == -1)
682 if (e == EWOULDBLOCK)
687 Con_Print("Connection refused\n");
690 Con_Printf("LHNET_Read: recvfrom returned error: %s\n", LHNETPRIVATE_StrError());
693 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
695 unsigned int inetaddresslength;
696 address->addresstype = LHNETADDRESSTYPE_NONE;
697 inetaddresslength = sizeof(address->addressdata.inet6);
698 value = recvfrom(lhnetsocket->inetsocket, content, maxcontentlength, 0, (struct sockaddr *)&address->addressdata.inet6, &inetaddresslength);
701 address->addresstype = LHNETADDRESSTYPE_INET6;
704 else if (value == -1)
707 if (e == EWOULDBLOCK)
712 Con_Print("Connection refused\n");
715 Con_Printf("LHNET_Read: recvfrom returned error: %s\n", LHNETPRIVATE_StrError());
721 int LHNET_Write(lhnetsocket_t *lhnetsocket, const void *content, int contentlength, const lhnetaddress_t *address)
724 if (!lhnetsocket || !address || !content || contentlength < 1)
726 if (lhnetsocket->address.addresstype != address->addresstype)
728 if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_LOOP)
731 p = (lhnetpacket_t *)Z_Malloc(sizeof(*p) + contentlength);
732 p->data = (void *)(p + 1);
733 memcpy(p->data, content, contentlength);
734 p->length = contentlength;
735 p->sourceport = lhnetsocket->address.addressdata.loop.port;
736 p->destinationport = address->addressdata.loop.port;
737 p->timeout = time(NULL) + 10;
738 p->next = &lhnet_packetlist;
739 p->prev = p->next->prev;
742 #ifndef STANDALONETEST
743 p->sentdoubletime = Sys_DoubleTime();
745 value = contentlength;
747 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
749 value = sendto(lhnetsocket->inetsocket, content, contentlength, 0, (struct sockaddr *)&address->addressdata.inet4, sizeof(address->addressdata.inet4));
752 if (SOCKETERRNO == EWOULDBLOCK)
754 Con_Printf("LHNET_Read: sendto returned error: %s\n", LHNETPRIVATE_StrError());
757 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
759 value = sendto(lhnetsocket->inetsocket, content, contentlength, 0, (struct sockaddr *)&address->addressdata.inet6, sizeof(address->addressdata.inet6));
762 if (SOCKETERRNO == EWOULDBLOCK)
764 Con_Printf("LHNET_Read: sendto returned error: %s\n", LHNETPRIVATE_StrError());
770 #ifdef STANDALONETEST
771 int main(int argc, char **argv)
774 char *buffer = "test", buffer2[1024];
775 int blen = strlen(buffer);
777 lhnetsocket_t *sock1;
778 lhnetsocket_t *sock2;
779 lhnetaddress_t myaddy1;
780 lhnetaddress_t myaddy2;
781 lhnetaddress_t myaddy3;
782 lhnetaddress_t localhostaddy1;
783 lhnetaddress_t localhostaddy2;
787 printf("calling LHNET_Init\n");
790 printf("calling LHNET_FromPort twice to create two local addresses\n");
791 LHNETADDRESS_FromPort(&myaddy1, LHNETADDRESSTYPE_INET4, 4000);
792 LHNETADDRESS_FromPort(&myaddy2, LHNETADDRESSTYPE_INET4, 4001);
793 LHNETADDRESS_FromString(&localhostaddy1, "127.0.0.1", 4000);
794 LHNETADDRESS_FromString(&localhostaddy2, "127.0.0.1", 4001);
796 printf("calling LHNET_OpenSocket_Connectionless twice to create two local sockets\n");
797 sock1 = LHNET_OpenSocket_Connectionless(&myaddy1);
798 sock2 = LHNET_OpenSocket_Connectionless(&myaddy2);
800 printf("calling LHNET_Write to send a packet from the first socket to the second socket\n");
801 test1 = LHNET_Write(sock1, buffer, blen, &localhostaddy2);
802 printf("sleeping briefly\n");
808 printf("calling LHNET_Read on the second socket to read the packet sent from the first socket\n");
809 test2 = LHNET_Read(sock2, buffer2, b2len - 1, &myaddy3);
811 Con_Printf("socket to socket test succeeded\n");
813 Con_Printf("socket to socket test failed\n");
816 printf("press any key to exit\n");
820 printf("calling LHNET_Shutdown\n");
825 lhnetsocket_t *sock[16], *sendsock;
834 int sendmessagelength;
835 lhnetaddress_t destaddress;
836 lhnetaddress_t receiveaddress;
837 lhnetaddress_t sockaddress[16];
838 char buffer[1536], addressstring[128], addressstring2[128];
839 if ((argc == 2 || argc == 5) && (port = atoi(argv[1])) >= 1 && port < 65535)
841 printf("calling LHNET_Init()\n");
845 LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_LOOP, port);
846 LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_INET4, port);
847 LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_INET6, port+1);
851 sendmessagelength = 0;
853 for (i = 0;i < numsockets;i++)
855 LHNETADDRESS_ToString(&sockaddress[i], addressstring, sizeof(addressstring), 1);
856 printf("calling LHNET_OpenSocket_Connectionless(<%s>)\n", addressstring);
857 if ((sock[i] = LHNET_OpenSocket_Connectionless(&sockaddress[i])))
859 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
860 printf("opened socket successfully (address \"%s\")\n", addressstring2);
864 printf("failed to open socket\n");
875 count = atoi(argv[2]);
876 if (LHNETADDRESS_FromString(&destaddress, argv[3], -1))
878 sendmessage = argv[4];
879 sendmessagelength = strlen(sendmessage);
881 for (i = 0;i < numsockets;i++)
882 if (sock[i] && LHNETADDRESS_GetAddressType(&destaddress) == LHNETADDRESS_GetAddressType(&sockaddress[i]))
884 if (sendsock == NULL)
886 printf("Could not find an open socket matching the addresstype (%i) of destination address, switching to listen only mode\n", LHNETADDRESS_GetAddressType(&destaddress));
892 printf("LHNETADDRESS_FromString did not like the address \"%s\", switching to listen only mode\n", argv[3]);
896 printf("started, now listening for \"exit\" on the opened sockets\n");
897 oldtime = time(NULL);
905 for (i = 0;i < numsockets;i++)
909 length = LHNET_Read(sock[i], buffer, sizeof(buffer), &receiveaddress);
911 printf("localsock read error: length < 0");
912 else if (length > 0 && length < (int)sizeof(buffer))
915 LHNETADDRESS_ToString(&receiveaddress, addressstring, sizeof(addressstring), 1);
916 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
917 printf("received message \"%s\" from \"%s\" on socket \"%s\"\n", buffer, addressstring, addressstring2);
918 if (!strcmp(buffer, "exit"))
925 if (argc == 5 && count > 0)
927 newtime = time(NULL);
928 if (newtime != oldtime)
930 LHNETADDRESS_ToString(&destaddress, addressstring, sizeof(addressstring), 1);
931 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sendsock), addressstring2, sizeof(addressstring2), 1);
932 printf("calling LHNET_Write(<%s>, \"%s\", %i, <%s>)\n", addressstring2, sendmessage, sendmessagelength, addressstring);
933 length = LHNET_Write(sendsock, sendmessage, sendmessagelength, &destaddress);
934 if (length == sendmessagelength)
935 printf("sent successfully\n");
937 printf("LH_Write failed, returned %i (length of message was %i)\n", length, strlen(argv[4]));
941 printf("Done sending, still listening for \"exit\"\n");
945 for (i = 0;i < numsockets;i++)
949 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
950 printf("calling LHNET_CloseSocket(<%s>)\n", addressstring2);
951 LHNET_CloseSocket(sock[i]);
954 printf("calling LHNET_Shutdown()\n");
958 printf("Testing code for lhnet.c\nusage: lhnettest <localportnumber> [<sendnumberoftimes> <sendaddress:port> <sendmessage>]\n");