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 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)
139 // parsed a valid ipv4 address
140 address->addresstype = LHNETADDRESSTYPE_INET4;
141 address->addressdata.inet4.family = LHNETADDRESSTYPE_INET4_FAMILY;
142 address->addressdata.inet4.port = htons((unsigned short)port);
143 address->addressdata.inet4.address[0] = (unsigned char)d1;
144 address->addressdata.inet4.address[1] = (unsigned char)d2;
145 address->addressdata.inet4.address[2] = (unsigned char)d3;
146 address->addressdata.inet4.address[3] = (unsigned char)d4;
147 #ifdef STANDALONETEST
148 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));
152 for (i = 0;i < MAX_NAMECACHE;i++)
153 if (!strcmp(namecache[i].name, name))
155 #ifdef STANDALONETEST
156 if (i < MAX_NAMECACHE)
158 if (i < MAX_NAMECACHE && Sys_DoubleTime() < namecache[i].expirationtime)
161 *address = namecache[i].address;
162 if (address->addresstype == LHNETADDRESSTYPE_INET6)
164 address->addressdata.inet6.port = htons((unsigned short)port);
167 else if (address->addresstype == LHNETADDRESSTYPE_INET4)
169 address->addressdata.inet4.port = htons((unsigned short)port);
174 // try gethostbyname (handles dns and other ip formats)
175 hostentry = gethostbyname(name);
178 if (hostentry->h_addrtype == LHNETADDRESSTYPE_INET6_FAMILY)
181 address->addresstype = LHNETADDRESSTYPE_INET6;
182 address->addressdata.inet6.family = hostentry->h_addrtype;
183 address->addressdata.inet6.port = htons((unsigned short)port);
184 memcpy(address->addressdata.inet6.address, hostentry->h_addr_list[0], sizeof(address->addressdata.inet6.address));
185 for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
186 namecache[namecacheposition].name[i] = name[i];
187 namecache[namecacheposition].name[i] = 0;
188 #ifndef STANDALONETEST
189 namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 12 * 3600; // 12 hours
191 namecache[namecacheposition].address = *address;
192 namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
193 #ifdef STANDALONETEST
194 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));
198 else if (hostentry->h_addrtype == LHNETADDRESSTYPE_INET4_FAMILY)
201 address->addresstype = LHNETADDRESSTYPE_INET4;
202 address->addressdata.inet4.family = hostentry->h_addrtype;
203 address->addressdata.inet4.port = htons((unsigned short)port);
204 memcpy(address->addressdata.inet4.address, hostentry->h_addr_list[0], sizeof(address->addressdata.inet4.address));
205 for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
206 namecache[namecacheposition].name[i] = name[i];
207 namecache[namecacheposition].name[i] = 0;
208 #ifndef STANDALONETEST
209 namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 12 * 3600; // 12 hours
211 namecache[namecacheposition].address = *address;
212 namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
213 #ifdef STANDALONETEST
214 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));
219 #ifdef STANDALONETEST
220 printf("gethostbyname failed on address \"%s\"\n", name);
222 for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
223 namecache[namecacheposition].name[i] = name[i];
224 namecache[namecacheposition].name[i] = 0;
225 #ifndef STANDALONETEST
226 namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 12 * 3600; // 12 hours
228 namecache[namecacheposition].address.addresstype = LHNETADDRESSTYPE_NONE;
229 namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
233 int LHNETADDRESS_ToString(const lhnetaddress_t *address, char *string, int stringbuffersize, int includeport)
236 if (!address || !string || stringbuffersize < 1)
238 switch(address->addresstype)
242 case LHNETADDRESSTYPE_LOOP:
245 if (stringbuffersize >= 12)
247 sprintf(string, "local:%d", (int)address->addressdata.loop.port);
253 if (stringbuffersize >= 6)
255 memcpy(string, "local", 6);
260 case LHNETADDRESSTYPE_INET4:
263 if (stringbuffersize >= 22)
265 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));
271 if (stringbuffersize >= 16)
273 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]);
278 case LHNETADDRESSTYPE_INET6:
281 if (stringbuffersize >= 88)
283 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));
289 if (stringbuffersize >= 80)
291 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]);
300 int LHNETADDRESS_GetAddressType(const lhnetaddress_t *address)
303 return address->addresstype;
305 return LHNETADDRESSTYPE_NONE;
308 int LHNETADDRESS_GetPort(const lhnetaddress_t *address)
312 switch(address->addresstype)
314 case LHNETADDRESSTYPE_LOOP:
315 return address->addressdata.loop.port;
316 case LHNETADDRESSTYPE_INET4:
317 return ntohs(address->addressdata.inet4.port);
318 case LHNETADDRESSTYPE_INET6:
319 return ntohs(address->addressdata.inet6.port);
325 int LHNETADDRESS_SetPort(lhnetaddress_t *address, int port)
329 switch(address->addresstype)
331 case LHNETADDRESSTYPE_LOOP:
332 address->addressdata.loop.port = port;
334 case LHNETADDRESSTYPE_INET4:
335 address->addressdata.inet4.port = htons((unsigned short)port);
337 case LHNETADDRESSTYPE_INET6:
338 address->addressdata.inet6.port = htons((unsigned short)port);
345 int LHNETADDRESS_Compare(const lhnetaddress_t *address1, const lhnetaddress_t *address2)
347 if (!address1 || !address2)
349 if (address1->addresstype != address2->addresstype)
351 switch(address1->addresstype)
353 case LHNETADDRESSTYPE_LOOP:
354 if (address1->addressdata.loop.port != address2->addressdata.loop.port)
357 case LHNETADDRESSTYPE_INET4:
358 if (address1->addressdata.inet4.family != address2->addressdata.inet4.family)
360 if (memcmp(address1->addressdata.inet4.address, address2->addressdata.inet4.address, sizeof(address1->addressdata.inet4.address)))
362 if (address1->addressdata.inet4.port != address2->addressdata.inet4.port)
365 case LHNETADDRESSTYPE_INET6:
366 if (address1->addressdata.inet6.family != address2->addressdata.inet6.family)
368 if (memcmp(address1->addressdata.inet6.address, address2->addressdata.inet6.address, sizeof(address1->addressdata.inet6.address)))
370 if (address1->addressdata.inet6.port != address2->addressdata.inet6.port)
378 typedef struct lhnetpacket_s
385 #ifndef STANDALONETEST
386 double sentdoubletime;
388 struct lhnetpacket_s *next, *prev;
392 static int lhnet_active;
393 static lhnetsocket_t lhnet_socketlist;
394 static lhnetpacket_t lhnet_packetlist;
396 static int lhnet_didWSAStartup = 0;
397 static WSADATA lhnet_winsockdata;
400 void LHNET_Init(void)
404 lhnet_socketlist.next = lhnet_socketlist.prev = &lhnet_socketlist;
405 lhnet_packetlist.next = lhnet_packetlist.prev = &lhnet_packetlist;
408 lhnet_didWSAStartup = !WSAStartup(MAKEWORD(1, 1), &lhnet_winsockdata);
409 if (!lhnet_didWSAStartup)
410 Con_Print("LHNET_Init: WSAStartup failed, networking disabled\n");
414 void LHNET_Shutdown(void)
419 while (lhnet_socketlist.next != &lhnet_socketlist)
420 LHNET_CloseSocket(lhnet_socketlist.next);
421 while (lhnet_packetlist.next != &lhnet_packetlist)
423 p = lhnet_packetlist.next;
424 p->prev->next = p->next;
425 p->next->prev = p->prev;
429 if (lhnet_didWSAStartup)
431 lhnet_didWSAStartup = 0;
438 static const char *LHNETPRIVATE_StrError(void)
441 int i = WSAGetLastError();
444 case WSAEINTR: return "WSAEINTR";
445 case WSAEBADF: return "WSAEBADF";
446 case WSAEACCES: return "WSAEACCES";
447 case WSAEFAULT: return "WSAEFAULT";
448 case WSAEINVAL: return "WSAEINVAL";
449 case WSAEMFILE: return "WSAEMFILE";
450 case WSAEWOULDBLOCK: return "WSAEWOULDBLOCK";
451 case WSAEINPROGRESS: return "WSAEINPROGRESS";
452 case WSAEALREADY: return "WSAEALREADY";
453 case WSAENOTSOCK: return "WSAENOTSOCK";
454 case WSAEDESTADDRREQ: return "WSAEDESTADDRREQ";
455 case WSAEMSGSIZE: return "WSAEMSGSIZE";
456 case WSAEPROTOTYPE: return "WSAEPROTOTYPE";
457 case WSAENOPROTOOPT: return "WSAENOPROTOOPT";
458 case WSAEPROTONOSUPPORT: return "WSAEPROTONOSUPPORT";
459 case WSAESOCKTNOSUPPORT: return "WSAESOCKTNOSUPPORT";
460 case WSAEOPNOTSUPP: return "WSAEOPNOTSUPP";
461 case WSAEPFNOSUPPORT: return "WSAEPFNOSUPPORT";
462 case WSAEAFNOSUPPORT: return "WSAEAFNOSUPPORT";
463 case WSAEADDRINUSE: return "WSAEADDRINUSE";
464 case WSAEADDRNOTAVAIL: return "WSAEADDRNOTAVAIL";
465 case WSAENETDOWN: return "WSAENETDOWN";
466 case WSAENETUNREACH: return "WSAENETUNREACH";
467 case WSAENETRESET: return "WSAENETRESET";
468 case WSAECONNABORTED: return "WSAECONNABORTED";
469 case WSAECONNRESET: return "WSAECONNRESET";
470 case WSAENOBUFS: return "WSAENOBUFS";
471 case WSAEISCONN: return "WSAEISCONN";
472 case WSAENOTCONN: return "WSAENOTCONN";
473 case WSAESHUTDOWN: return "WSAESHUTDOWN";
474 case WSAETOOMANYREFS: return "WSAETOOMANYREFS";
475 case WSAETIMEDOUT: return "WSAETIMEDOUT";
476 case WSAECONNREFUSED: return "WSAECONNREFUSED";
477 case WSAELOOP: return "WSAELOOP";
478 case WSAENAMETOOLONG: return "WSAENAMETOOLONG";
479 case WSAEHOSTDOWN: return "WSAEHOSTDOWN";
480 case WSAEHOSTUNREACH: return "WSAEHOSTUNREACH";
481 case WSAENOTEMPTY: return "WSAENOTEMPTY";
482 case WSAEPROCLIM: return "WSAEPROCLIM";
483 case WSAEUSERS: return "WSAEUSERS";
484 case WSAEDQUOT: return "WSAEDQUOT";
485 case WSAESTALE: return "WSAESTALE";
486 case WSAEREMOTE: return "WSAEREMOTE";
487 case WSAEDISCON: return "WSAEDISCON";
488 case 0: return "no error";
489 default: return "unknown WSAE error";
492 return strerror(errno);
496 lhnetsocket_t *LHNET_OpenSocket_Connectionless(lhnetaddress_t *address)
498 lhnetsocket_t *lhnetsocket, *s;
501 lhnetsocket = (lhnetsocket_t *)Z_Malloc(sizeof(*lhnetsocket));
504 memset(lhnetsocket, 0, sizeof(*lhnetsocket));
505 lhnetsocket->address = *address;
506 switch(lhnetsocket->address.addresstype)
508 case LHNETADDRESSTYPE_LOOP:
509 if (lhnetsocket->address.addressdata.loop.port == 0)
511 // allocate a port dynamically
512 // this search will always terminate because there is never
513 // an allocated socket with port 0, so if the number wraps it
514 // will find the port is unused, and then refuse to use port
515 // 0, causing an intentional failure condition
516 lhnetsocket->address.addressdata.loop.port = 1024;
519 for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
520 if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.addressdata.loop.port == lhnetsocket->address.addressdata.loop.port)
522 if (s == &lhnet_socketlist)
524 lhnetsocket->address.addressdata.loop.port++;
527 // check if the port is available
528 for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
529 if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.addressdata.loop.port == lhnetsocket->address.addressdata.loop.port)
531 if (s == &lhnet_socketlist && lhnetsocket->address.addressdata.loop.port != 0)
533 lhnetsocket->next = &lhnet_socketlist;
534 lhnetsocket->prev = lhnetsocket->next->prev;
535 lhnetsocket->next->prev = lhnetsocket;
536 lhnetsocket->prev->next = lhnetsocket;
540 case LHNETADDRESSTYPE_INET4:
541 case LHNETADDRESSTYPE_INET6:
543 if (lhnet_didWSAStartup)
546 if ((lhnetsocket->inetsocket = socket(address->addresstype == LHNETADDRESSTYPE_INET6 ? LHNETADDRESSTYPE_INET6_FAMILY : LHNETADDRESSTYPE_INET4_FAMILY, SOCK_DGRAM, IPPROTO_UDP)) != -1)
553 if (ioctlsocket(lhnetsocket->inetsocket, FIONBIO, &_true) != -1)
556 namelen = address->addresstype == LHNETADDRESSTYPE_INET6 ? sizeof(lhnetsocket->address.addressdata.inet6) : sizeof(lhnetsocket->address.addressdata.inet4);
557 if (bind(lhnetsocket->inetsocket, (struct sockaddr *)&lhnetsocket->address.addressdata, namelen) != -1)
560 getsockname(lhnetsocket->inetsocket, (struct sockaddr *)&lhnetsocket->address.addressdata, &namelen);
561 // enable broadcast on this socket
562 setsockopt(lhnetsocket->inetsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i));
563 lhnetsocket->next = &lhnet_socketlist;
564 lhnetsocket->prev = lhnetsocket->next->prev;
565 lhnetsocket->next->prev = lhnetsocket;
566 lhnetsocket->prev->next = lhnetsocket;
570 Con_Printf("LHNET_OpenSocket_Connectionless: bind returned error: %s\n", LHNETPRIVATE_StrError());
573 Con_Printf("LHNET_OpenSocket_Connectionless: ioctlsocket returned error: %s\n", LHNETPRIVATE_StrError());
574 closesocket(lhnetsocket->inetsocket);
577 Con_Printf("LHNET_OpenSocket_Connectionless: socket returned error: %s\n", LHNETPRIVATE_StrError());
581 Con_Print("LHNET_OpenSocket_Connectionless: can't open a socket (WSAStartup failed during LHNET_Init)\n");
592 void LHNET_CloseSocket(lhnetsocket_t *lhnetsocket)
596 // unlink from socket list
597 if (lhnetsocket->next == NULL)
599 lhnetsocket->next->prev = lhnetsocket->prev;
600 lhnetsocket->prev->next = lhnetsocket->next;
601 lhnetsocket->next = NULL;
602 lhnetsocket->prev = NULL;
604 // no special close code for loopback, just inet
605 if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4 || lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
607 closesocket(lhnetsocket->inetsocket);
613 lhnetaddress_t *LHNET_AddressFromSocket(lhnetsocket_t *sock)
616 return &sock->address;
621 int LHNET_Read(lhnetsocket_t *lhnetsocket, void *content, int maxcontentlength, lhnetaddress_t *address)
624 if (!lhnetsocket || !address || !content || maxcontentlength < 1)
626 if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_LOOP)
629 lhnetpacket_t *p, *pnext;
630 // scan for any old packets to timeout while searching for a packet
631 // that is waiting to be delivered to this socket
632 currenttime = time(NULL);
633 for (p = lhnet_packetlist.next;p != &lhnet_packetlist;p = pnext)
636 if (p->timeout < currenttime)
639 p->next->prev = p->prev;
640 p->prev->next = p->next;
644 #ifndef STANDALONETEST
645 if (cl_netlocalping.value && (Sys_DoubleTime() - cl_netlocalping.value * (1.0 / 2000.0)) < p->sentdoubletime)
648 if (value == 0 && p->destinationport == lhnetsocket->address.addressdata.loop.port)
650 if (p->length <= maxcontentlength)
652 *address = lhnetsocket->address;
653 address->addressdata.loop.port = p->sourceport;
654 memcpy(content, p->data, p->length);
660 p->next->prev = p->prev;
661 p->prev->next = p->next;
666 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
668 unsigned int inetaddresslength;
669 address->addresstype = LHNETADDRESSTYPE_NONE;
670 inetaddresslength = sizeof(address->addressdata.inet4);
671 value = recvfrom(lhnetsocket->inetsocket, content, maxcontentlength, 0, (struct sockaddr *)&address->addressdata.inet4, &inetaddresslength);
674 address->addresstype = LHNETADDRESSTYPE_INET4;
677 else if (value == -1)
680 if (e == EWOULDBLOCK)
685 Con_Print("Connection refused\n");
688 Con_Printf("LHNET_Read: recvfrom returned error: %s\n", LHNETPRIVATE_StrError());
691 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
693 unsigned int inetaddresslength;
694 address->addresstype = LHNETADDRESSTYPE_NONE;
695 inetaddresslength = sizeof(address->addressdata.inet6);
696 value = recvfrom(lhnetsocket->inetsocket, content, maxcontentlength, 0, (struct sockaddr *)&address->addressdata.inet6, &inetaddresslength);
699 address->addresstype = LHNETADDRESSTYPE_INET6;
702 else if (value == -1)
705 if (e == EWOULDBLOCK)
710 Con_Print("Connection refused\n");
713 Con_Printf("LHNET_Read: recvfrom returned error: %s\n", LHNETPRIVATE_StrError());
719 int LHNET_Write(lhnetsocket_t *lhnetsocket, const void *content, int contentlength, const lhnetaddress_t *address)
722 if (!lhnetsocket || !address || !content || contentlength < 1)
724 if (lhnetsocket->address.addresstype != address->addresstype)
726 if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_LOOP)
729 p = (lhnetpacket_t *)Z_Malloc(sizeof(*p) + contentlength);
730 p->data = (void *)(p + 1);
731 memcpy(p->data, content, contentlength);
732 p->length = contentlength;
733 p->sourceport = lhnetsocket->address.addressdata.loop.port;
734 p->destinationport = address->addressdata.loop.port;
735 p->timeout = time(NULL) + 10;
736 p->next = &lhnet_packetlist;
737 p->prev = p->next->prev;
740 #ifndef STANDALONETEST
741 p->sentdoubletime = Sys_DoubleTime();
743 value = contentlength;
745 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
747 value = sendto(lhnetsocket->inetsocket, content, contentlength, 0, (struct sockaddr *)&address->addressdata.inet4, sizeof(address->addressdata.inet4));
750 if (SOCKETERRNO == EWOULDBLOCK)
752 Con_Printf("LHNET_Read: sendto returned error: %s\n", LHNETPRIVATE_StrError());
755 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
757 value = sendto(lhnetsocket->inetsocket, content, contentlength, 0, (struct sockaddr *)&address->addressdata.inet6, sizeof(address->addressdata.inet6));
760 if (SOCKETERRNO == EWOULDBLOCK)
762 Con_Printf("LHNET_Read: sendto returned error: %s\n", LHNETPRIVATE_StrError());
768 #ifdef STANDALONETEST
769 int main(int argc, char **argv)
772 char *buffer = "test", buffer2[1024];
773 int blen = strlen(buffer);
775 lhnetsocket_t *sock1;
776 lhnetsocket_t *sock2;
777 lhnetaddress_t myaddy1;
778 lhnetaddress_t myaddy2;
779 lhnetaddress_t myaddy3;
780 lhnetaddress_t localhostaddy1;
781 lhnetaddress_t localhostaddy2;
785 printf("calling LHNET_Init\n");
788 printf("calling LHNET_FromPort twice to create two local addresses\n");
789 LHNETADDRESS_FromPort(&myaddy1, LHNETADDRESSTYPE_INET4, 4000);
790 LHNETADDRESS_FromPort(&myaddy2, LHNETADDRESSTYPE_INET4, 4001);
791 LHNETADDRESS_FromString(&localhostaddy1, "127.0.0.1", 4000);
792 LHNETADDRESS_FromString(&localhostaddy2, "127.0.0.1", 4001);
794 printf("calling LHNET_OpenSocket_Connectionless twice to create two local sockets\n");
795 sock1 = LHNET_OpenSocket_Connectionless(&myaddy1);
796 sock2 = LHNET_OpenSocket_Connectionless(&myaddy2);
798 printf("calling LHNET_Write to send a packet from the first socket to the second socket\n");
799 test1 = LHNET_Write(sock1, buffer, blen, &localhostaddy2);
800 printf("sleeping briefly\n");
806 printf("calling LHNET_Read on the second socket to read the packet sent from the first socket\n");
807 test2 = LHNET_Read(sock2, buffer2, b2len - 1, &myaddy3);
809 Con_Printf("socket to socket test succeeded\n");
811 Con_Printf("socket to socket test failed\n");
814 printf("press any key to exit\n");
818 printf("calling LHNET_Shutdown\n");
823 lhnetsocket_t *sock[16], *sendsock;
832 int sendmessagelength;
833 lhnetaddress_t destaddress;
834 lhnetaddress_t receiveaddress;
835 lhnetaddress_t sockaddress[16];
836 char buffer[1536], addressstring[128], addressstring2[128];
837 if ((argc == 2 || argc == 5) && (port = atoi(argv[1])) >= 1 && port < 65535)
839 printf("calling LHNET_Init()\n");
843 LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_LOOP, port);
844 LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_INET4, port);
845 LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_INET6, port+1);
849 sendmessagelength = 0;
851 for (i = 0;i < numsockets;i++)
853 LHNETADDRESS_ToString(&sockaddress[i], addressstring, sizeof(addressstring), 1);
854 printf("calling LHNET_OpenSocket_Connectionless(<%s>)\n", addressstring);
855 if ((sock[i] = LHNET_OpenSocket_Connectionless(&sockaddress[i])))
857 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
858 printf("opened socket successfully (address \"%s\")\n", addressstring2);
862 printf("failed to open socket\n");
873 count = atoi(argv[2]);
874 if (LHNETADDRESS_FromString(&destaddress, argv[3], -1))
876 sendmessage = argv[4];
877 sendmessagelength = strlen(sendmessage);
879 for (i = 0;i < numsockets;i++)
880 if (sock[i] && LHNETADDRESS_GetAddressType(&destaddress) == LHNETADDRESS_GetAddressType(&sockaddress[i]))
882 if (sendsock == NULL)
884 printf("Could not find an open socket matching the addresstype (%i) of destination address, switching to listen only mode\n", LHNETADDRESS_GetAddressType(&destaddress));
890 printf("LHNETADDRESS_FromString did not like the address \"%s\", switching to listen only mode\n", argv[3]);
894 printf("started, now listening for \"exit\" on the opened sockets\n");
895 oldtime = time(NULL);
903 for (i = 0;i < numsockets;i++)
907 length = LHNET_Read(sock[i], buffer, sizeof(buffer), &receiveaddress);
909 printf("localsock read error: length < 0");
910 else if (length > 0 && length < (int)sizeof(buffer))
913 LHNETADDRESS_ToString(&receiveaddress, addressstring, sizeof(addressstring), 1);
914 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
915 printf("received message \"%s\" from \"%s\" on socket \"%s\"\n", buffer, addressstring, addressstring2);
916 if (!strcmp(buffer, "exit"))
923 if (argc == 5 && count > 0)
925 newtime = time(NULL);
926 if (newtime != oldtime)
928 LHNETADDRESS_ToString(&destaddress, addressstring, sizeof(addressstring), 1);
929 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sendsock), addressstring2, sizeof(addressstring2), 1);
930 printf("calling LHNET_Write(<%s>, \"%s\", %i, <%s>)\n", addressstring2, sendmessage, sendmessagelength, addressstring);
931 length = LHNET_Write(sendsock, sendmessage, sendmessagelength, &destaddress);
932 if (length == sendmessagelength)
933 printf("sent successfully\n");
935 printf("LH_Write failed, returned %i (length of message was %i)\n", length, strlen(argv[4]));
939 printf("Done sending, still listening for \"exit\"\n");
943 for (i = 0;i < numsockets;i++)
947 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
948 printf("calling LHNET_CloseSocket(<%s>)\n", addressstring2);
949 LHNET_CloseSocket(sock[i]);
952 printf("calling LHNET_Shutdown()\n");
956 printf("Testing code for lhnet.c\nusage: lhnettest <localportnumber> [<sendnumberoftimes> <sendaddress:port> <sendmessage>]\n");