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)
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 if (i < MAX_NAMECACHE && Sys_DoubleTime() < namecache[i].expirationtime)
157 *address = namecache[i].address;
158 if (address->addresstype == LHNETADDRESSTYPE_INET6)
160 address->addressdata.inet6.port = htons((unsigned short)port);
163 else if (address->addresstype == LHNETADDRESSTYPE_INET4)
165 address->addressdata.inet4.port = htons((unsigned short)port);
170 // try gethostbyname (handles dns and other ip formats)
171 hostentry = gethostbyname(name);
174 if (hostentry->h_addrtype == LHNETADDRESSTYPE_INET6_FAMILY)
177 address->addresstype = LHNETADDRESSTYPE_INET6;
178 address->addressdata.inet6.family = hostentry->h_addrtype;
179 address->addressdata.inet6.port = htons((unsigned short)port);
180 memcpy(address->addressdata.inet6.address, hostentry->h_addr_list[0], sizeof(address->addressdata.inet6.address));
181 for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
182 namecache[namecacheposition].name[i] = name[i];
183 namecache[namecacheposition].name[i] = 0;
184 namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 12 * 3600; // 12 hours
185 namecache[namecacheposition].address = *address;
186 namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
187 #ifdef STANDALONETEST
188 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));
192 else if (hostentry->h_addrtype == LHNETADDRESSTYPE_INET4_FAMILY)
195 address->addresstype = LHNETADDRESSTYPE_INET4;
196 address->addressdata.inet4.family = hostentry->h_addrtype;
197 address->addressdata.inet4.port = htons((unsigned short)port);
198 memcpy(address->addressdata.inet4.address, hostentry->h_addr_list[0], sizeof(address->addressdata.inet4.address));
199 for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
200 namecache[namecacheposition].name[i] = name[i];
201 namecache[namecacheposition].name[i] = 0;
202 namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 12 * 3600; // 12 hours
203 namecache[namecacheposition].address = *address;
204 namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
205 #ifdef STANDALONETEST
206 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));
211 #ifdef STANDALONETEST
212 printf("gethostbyname failed on address \"%s\"\n", name);
214 for (i = 0;i < (int)sizeof(namecache[namecacheposition].name)-1 && name[i];i++)
215 namecache[namecacheposition].name[i] = name[i];
216 namecache[namecacheposition].name[i] = 0;
217 namecache[namecacheposition].expirationtime = Sys_DoubleTime() + 12 * 3600; // 12 hours
218 namecache[namecacheposition].address.addresstype = LHNETADDRESSTYPE_NONE;
219 namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE;
223 int LHNETADDRESS_ToString(const lhnetaddress_t *address, char *string, int stringbuffersize, int includeport)
226 if (!address || !string || stringbuffersize < 1)
228 switch(address->addresstype)
232 case LHNETADDRESSTYPE_LOOP:
235 if (stringbuffersize >= 12)
237 sprintf(string, "local:%d", (int)address->addressdata.loop.port);
243 if (stringbuffersize >= 6)
245 strcpy(string, "local");
250 case LHNETADDRESSTYPE_INET4:
253 if (stringbuffersize >= 22)
255 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));
261 if (stringbuffersize >= 16)
263 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]);
268 case LHNETADDRESSTYPE_INET6:
271 if (stringbuffersize >= 88)
273 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));
279 if (stringbuffersize >= 80)
281 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]);
290 int LHNETADDRESS_GetAddressType(const lhnetaddress_t *address)
293 return address->addresstype;
295 return LHNETADDRESSTYPE_NONE;
298 int LHNETADDRESS_GetPort(const lhnetaddress_t *address)
302 switch(address->addresstype)
304 case LHNETADDRESSTYPE_LOOP:
305 return address->addressdata.loop.port;
306 case LHNETADDRESSTYPE_INET4:
307 return ntohs(address->addressdata.inet4.port);
308 case LHNETADDRESSTYPE_INET6:
309 return ntohs(address->addressdata.inet6.port);
315 int LHNETADDRESS_SetPort(lhnetaddress_t *address, int port)
319 switch(address->addresstype)
321 case LHNETADDRESSTYPE_LOOP:
322 address->addressdata.loop.port = port;
324 case LHNETADDRESSTYPE_INET4:
325 address->addressdata.inet4.port = htons((unsigned short)port);
327 case LHNETADDRESSTYPE_INET6:
328 address->addressdata.inet6.port = htons((unsigned short)port);
335 int LHNETADDRESS_Compare(const lhnetaddress_t *address1, const lhnetaddress_t *address2)
337 if (!address1 || !address2)
339 if (address1->addresstype != address2->addresstype)
341 switch(address1->addresstype)
343 case LHNETADDRESSTYPE_LOOP:
344 if (address1->addressdata.loop.port != address2->addressdata.loop.port)
347 case LHNETADDRESSTYPE_INET4:
348 if (address1->addressdata.inet4.family != address2->addressdata.inet4.family)
350 if (memcmp(address1->addressdata.inet4.address, address2->addressdata.inet4.address, sizeof(address1->addressdata.inet4.address)))
352 if (address1->addressdata.inet4.port != address2->addressdata.inet4.port)
355 case LHNETADDRESSTYPE_INET6:
356 if (address1->addressdata.inet6.family != address2->addressdata.inet6.family)
358 if (memcmp(address1->addressdata.inet6.address, address2->addressdata.inet6.address, sizeof(address1->addressdata.inet6.address)))
360 if (address1->addressdata.inet6.port != address2->addressdata.inet6.port)
368 typedef struct lhnetpacket_s
375 #ifndef STANDALONETEST
376 double sentdoubletime;
378 struct lhnetpacket_s *next, *prev;
382 static int lhnet_active;
383 static lhnetsocket_t lhnet_socketlist;
384 static lhnetpacket_t lhnet_packetlist;
386 static int lhnet_didWSAStartup = 0;
387 static WSADATA lhnet_winsockdata;
390 void LHNET_Init(void)
394 lhnet_socketlist.next = lhnet_socketlist.prev = &lhnet_socketlist;
395 lhnet_packetlist.next = lhnet_packetlist.prev = &lhnet_packetlist;
399 void LHNET_Shutdown(void)
404 while (lhnet_socketlist.next != &lhnet_socketlist)
405 LHNET_CloseSocket(lhnet_socketlist.next);
406 while (lhnet_packetlist.next != &lhnet_packetlist)
408 p = lhnet_packetlist.next;
409 p->prev->next = p->next;
410 p->next->prev = p->prev;
416 static const char *LHNETPRIVATE_StrError(void)
419 int i = WSAGetLastError();
422 case WSAEINTR: return "WSAEINTR";
423 case WSAEBADF: return "WSAEBADF";
424 case WSAEACCES: return "WSAEACCES";
425 case WSAEFAULT: return "WSAEFAULT";
426 case WSAEINVAL: return "WSAEINVAL";
427 case WSAEMFILE: return "WSAEMFILE";
428 case WSAEWOULDBLOCK: return "WSAEWOULDBLOCK";
429 case WSAEINPROGRESS: return "WSAEINPROGRESS";
430 case WSAEALREADY: return "WSAEALREADY";
431 case WSAENOTSOCK: return "WSAENOTSOCK";
432 case WSAEDESTADDRREQ: return "WSAEDESTADDRREQ";
433 case WSAEMSGSIZE: return "WSAEMSGSIZE";
434 case WSAEPROTOTYPE: return "WSAEPROTOTYPE";
435 case WSAENOPROTOOPT: return "WSAENOPROTOOPT";
436 case WSAEPROTONOSUPPORT: return "WSAEPROTONOSUPPORT";
437 case WSAESOCKTNOSUPPORT: return "WSAESOCKTNOSUPPORT";
438 case WSAEOPNOTSUPP: return "WSAEOPNOTSUPP";
439 case WSAEPFNOSUPPORT: return "WSAEPFNOSUPPORT";
440 case WSAEAFNOSUPPORT: return "WSAEAFNOSUPPORT";
441 case WSAEADDRINUSE: return "WSAEADDRINUSE";
442 case WSAEADDRNOTAVAIL: return "WSAEADDRNOTAVAIL";
443 case WSAENETDOWN: return "WSAENETDOWN";
444 case WSAENETUNREACH: return "WSAENETUNREACH";
445 case WSAENETRESET: return "WSAENETRESET";
446 case WSAECONNABORTED: return "WSAECONNABORTED";
447 case WSAECONNRESET: return "WSAECONNRESET";
448 case WSAENOBUFS: return "WSAENOBUFS";
449 case WSAEISCONN: return "WSAEISCONN";
450 case WSAENOTCONN: return "WSAENOTCONN";
451 case WSAESHUTDOWN: return "WSAESHUTDOWN";
452 case WSAETOOMANYREFS: return "WSAETOOMANYREFS";
453 case WSAETIMEDOUT: return "WSAETIMEDOUT";
454 case WSAECONNREFUSED: return "WSAECONNREFUSED";
455 case WSAELOOP: return "WSAELOOP";
456 case WSAENAMETOOLONG: return "WSAENAMETOOLONG";
457 case WSAEHOSTDOWN: return "WSAEHOSTDOWN";
458 case WSAEHOSTUNREACH: return "WSAEHOSTUNREACH";
459 case WSAENOTEMPTY: return "WSAENOTEMPTY";
460 case WSAEPROCLIM: return "WSAEPROCLIM";
461 case WSAEUSERS: return "WSAEUSERS";
462 case WSAEDQUOT: return "WSAEDQUOT";
463 case WSAESTALE: return "WSAESTALE";
464 case WSAEREMOTE: return "WSAEREMOTE";
465 case WSAEDISCON: return "WSAEDISCON";
466 case 0: return "no error";
467 default: return "unknown WSAE error";
470 return strerror(errno);
474 lhnetsocket_t *LHNET_OpenSocket_Connectionless(lhnetaddress_t *address)
476 lhnetsocket_t *lhnetsocket, *s;
479 lhnetsocket = (lhnetsocket_t *)Z_Malloc(sizeof(*lhnetsocket));
482 memset(lhnetsocket, 0, sizeof(*lhnetsocket));
483 lhnetsocket->address = *address;
484 switch(lhnetsocket->address.addresstype)
486 case LHNETADDRESSTYPE_LOOP:
487 if (lhnetsocket->address.addressdata.loop.port == 0)
489 // allocate a port dynamically
490 // this search will always terminate because there is never
491 // an allocated socket with port 0, so if the number wraps it
492 // will find the port is unused, and then refuse to use port
493 // 0, causing an intentional failure condition
494 lhnetsocket->address.addressdata.loop.port = 1024;
497 for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
498 if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.addressdata.loop.port == lhnetsocket->address.addressdata.loop.port)
500 if (s == &lhnet_socketlist)
502 lhnetsocket->address.addressdata.loop.port++;
505 // check if the port is available
506 for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next)
507 if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.addressdata.loop.port == lhnetsocket->address.addressdata.loop.port)
509 if (s == &lhnet_socketlist && lhnetsocket->address.addressdata.loop.port != 0)
511 lhnetsocket->next = &lhnet_socketlist;
512 lhnetsocket->prev = lhnetsocket->next->prev;
513 lhnetsocket->next->prev = lhnetsocket;
514 lhnetsocket->prev->next = lhnetsocket;
518 case LHNETADDRESSTYPE_INET4:
519 case LHNETADDRESSTYPE_INET6:
521 if (lhnet_didWSAStartup || (lhnet_didWSAStartup = !WSAStartup(MAKEWORD(1, 1), &lhnet_winsockdata)))
524 if ((lhnetsocket->inetsocket = socket(address->addresstype == LHNETADDRESSTYPE_INET6 ? LHNETADDRESSTYPE_INET6_FAMILY : LHNETADDRESSTYPE_INET4_FAMILY, SOCK_DGRAM, IPPROTO_UDP)) != -1)
531 if (ioctlsocket(lhnetsocket->inetsocket, FIONBIO, &_true) != -1)
534 namelen = address->addresstype == LHNETADDRESSTYPE_INET6 ? sizeof(lhnetsocket->address.addressdata.inet6) : sizeof(lhnetsocket->address.addressdata.inet4);
535 if (bind(lhnetsocket->inetsocket, (struct sockaddr *)&lhnetsocket->address.addressdata, namelen) != -1)
538 getsockname(lhnetsocket->inetsocket, (struct sockaddr *)&lhnetsocket->address.addressdata, &namelen);
539 // enable broadcast on this socket
540 setsockopt(lhnetsocket->inetsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i));
541 lhnetsocket->next = &lhnet_socketlist;
542 lhnetsocket->prev = lhnetsocket->next->prev;
543 lhnetsocket->next->prev = lhnetsocket;
544 lhnetsocket->prev->next = lhnetsocket;
548 Con_Printf("LHNET_OpenSocket_Connectionless: bind returned error: %s\n", LHNETPRIVATE_StrError());
551 Con_Printf("LHNET_OpenSocket_Connectionless: ioctlsocket returned error: %s\n", LHNETPRIVATE_StrError());
552 closesocket(lhnetsocket->inetsocket);
555 Con_Printf("LHNET_OpenSocket_Connectionless: socket returned error: %s\n", LHNETPRIVATE_StrError());
559 Con_Print("LHNET_OpenSocket_Connectionless: WSAStartup failed\n");
570 void LHNET_CloseSocket(lhnetsocket_t *lhnetsocket)
574 // unlink from socket list
575 if (lhnetsocket->next == NULL)
577 lhnetsocket->next->prev = lhnetsocket->prev;
578 lhnetsocket->prev->next = lhnetsocket->next;
579 lhnetsocket->next = NULL;
580 lhnetsocket->prev = NULL;
582 // no special close code for loopback, just inet
583 if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4 || lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
585 closesocket(lhnetsocket->inetsocket);
588 if (lhnet_socketlist.next == &lhnet_socketlist && lhnet_didWSAStartup)
590 lhnet_didWSAStartup = 0;
598 lhnetaddress_t *LHNET_AddressFromSocket(lhnetsocket_t *sock)
601 return &sock->address;
606 int LHNET_Read(lhnetsocket_t *lhnetsocket, void *content, int maxcontentlength, lhnetaddress_t *address)
609 if (!lhnetsocket || !address || !content || maxcontentlength < 1)
611 if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_LOOP)
614 lhnetpacket_t *p, *pnext;
615 // scan for any old packets to timeout while searching for a packet
616 // that is waiting to be delivered to this socket
617 currenttime = time(NULL);
618 for (p = lhnet_packetlist.next;p != &lhnet_packetlist;p = pnext)
621 if (p->timeout < currenttime)
624 p->next->prev = p->prev;
625 p->prev->next = p->next;
629 #ifndef STANDALONETEST
630 if (cl_netlocalping.value && (Sys_DoubleTime() - cl_netlocalping.value * (1.0 / 2000.0)) < p->sentdoubletime)
633 if (value == 0 && p->destinationport == lhnetsocket->address.addressdata.loop.port)
635 if (p->length <= maxcontentlength)
637 *address = lhnetsocket->address;
638 address->addressdata.loop.port = p->sourceport;
639 memcpy(content, p->data, p->length);
645 p->next->prev = p->prev;
646 p->prev->next = p->next;
651 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
653 unsigned int inetaddresslength;
654 address->addresstype = LHNETADDRESSTYPE_NONE;
655 inetaddresslength = sizeof(address->addressdata.inet4);
656 value = recvfrom(lhnetsocket->inetsocket, content, maxcontentlength, 0, (struct sockaddr *)&address->addressdata.inet4, &inetaddresslength);
659 address->addresstype = LHNETADDRESSTYPE_INET4;
662 else if (value == -1)
665 if (e == EWOULDBLOCK)
670 Con_Print("Connection refused\n");
675 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
677 unsigned int inetaddresslength;
678 address->addresstype = LHNETADDRESSTYPE_NONE;
679 inetaddresslength = sizeof(address->addressdata.inet6);
680 value = recvfrom(lhnetsocket->inetsocket, content, maxcontentlength, 0, (struct sockaddr *)&address->addressdata.inet6, &inetaddresslength);
683 address->addresstype = LHNETADDRESSTYPE_INET6;
686 else if (value == -1)
689 if (e == EWOULDBLOCK)
694 Con_Print("Connection refused\n");
702 int LHNET_Write(lhnetsocket_t *lhnetsocket, const void *content, int contentlength, const lhnetaddress_t *address)
705 if (!lhnetsocket || !address || !content || contentlength < 1)
707 if (lhnetsocket->address.addresstype != address->addresstype)
709 if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_LOOP)
712 p = (lhnetpacket_t *)Z_Malloc(sizeof(*p) + contentlength);
713 p->data = (void *)(p + 1);
714 memcpy(p->data, content, contentlength);
715 p->length = contentlength;
716 p->sourceport = lhnetsocket->address.addressdata.loop.port;
717 p->destinationport = address->addressdata.loop.port;
718 p->timeout = time(NULL) + 10;
719 p->next = &lhnet_packetlist;
720 p->prev = p->next->prev;
723 #ifndef STANDALONETEST
724 p->sentdoubletime = Sys_DoubleTime();
726 value = contentlength;
728 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4)
730 value = sendto(lhnetsocket->inetsocket, content, contentlength, 0, (struct sockaddr *)&address->addressdata.inet4, sizeof(address->addressdata.inet4));
733 if (SOCKETERRNO == EWOULDBLOCK)
737 else if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6)
739 value = sendto(lhnetsocket->inetsocket, content, contentlength, 0, (struct sockaddr *)&address->addressdata.inet6, sizeof(address->addressdata.inet6));
742 if (SOCKETERRNO == EWOULDBLOCK)
749 #ifdef STANDALONETEST
750 int main(int argc, char **argv)
752 lhnetsocket_t *sock[16], *sendsock;
761 int sendmessagelength;
762 lhnetaddress_t destaddress;
763 lhnetaddress_t receiveaddress;
764 lhnetaddress_t sockaddress[16];
765 char buffer[1536], addressstring[128], addressstring2[128];
766 if ((argc == 2 || argc == 5) && (port = atoi(argv[1])) >= 1 && port < 65535)
768 printf("calling LHNET_Init()\n");
772 LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_LOOP, port);
773 LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_INET4, port);
774 LHNETADDRESS_FromPort(&sockaddress[numsockets++], LHNETADDRESSTYPE_INET6, port+1);
778 sendmessagelength = 0;
780 for (i = 0;i < numsockets;i++)
782 LHNETADDRESS_ToString(&sockaddress[i], addressstring, sizeof(addressstring), 1);
783 printf("calling LHNET_OpenSocket_Connectionless(<%s>)\n", addressstring);
784 if ((sock[i] = LHNET_OpenSocket_Connectionless(&sockaddress[i])))
786 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
787 printf("opened socket successfully (address \"%s\")\n", addressstring2);
791 printf("failed to open socket\n");
802 count = atoi(argv[2]);
803 if (LHNETADDRESS_FromString(&destaddress, argv[3], -1))
805 sendmessage = argv[4];
806 sendmessagelength = strlen(sendmessage);
808 for (i = 0;i < numsockets;i++)
809 if (sock[i] && LHNETADDRESS_GetAddressType(&destaddress) == LHNETADDRESS_GetAddressType(&sockaddress[i]))
811 if (sendsock == NULL)
813 printf("Could not find an open socket matching the addresstype (%i) of destination address, switching to listen only mode\n", LHNETADDRESS_GetAddressType(&destaddress));
819 printf("LHNETADDRESS_FromString did not like the address \"%s\", switching to listen only mode\n", argv[3]);
823 printf("started, now listening for \"exit\" on the opened sockets\n");
824 oldtime = time(NULL);
832 for (i = 0;i < numsockets;i++)
836 length = LHNET_Read(sock[i], buffer, sizeof(buffer), &receiveaddress);
838 printf("localsock read error: length < 0");
839 else if (length > 0 && length < (int)sizeof(buffer))
842 LHNETADDRESS_ToString(&receiveaddress, addressstring, sizeof(addressstring), 1);
843 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
844 printf("received message \"%s\" from \"%s\" on socket \"%s\"\n", buffer, addressstring, addressstring2);
845 if (!strcmp(buffer, "exit"))
852 if (argc == 5 && count > 0)
854 newtime = time(NULL);
855 if (newtime != oldtime)
857 LHNETADDRESS_ToString(&destaddress, addressstring, sizeof(addressstring), 1);
858 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sendsock), addressstring2, sizeof(addressstring2), 1);
859 printf("calling LHNET_Write(<%s>, \"%s\", %i, <%s>)\n", addressstring2, sendmessage, sendmessagelength, addressstring);
860 length = LHNET_Write(sendsock, sendmessage, sendmessagelength, &destaddress);
861 if (length == sendmessagelength)
862 printf("sent successfully\n");
864 printf("LH_Write failed, returned %i (length of message was %i)\n", length, strlen(argv[4]));
868 printf("Done sending, still listening for \"exit\"\n");
872 for (i = 0;i < numsockets;i++)
876 LHNETADDRESS_ToString(LHNET_AddressFromSocket(sock[i]), addressstring2, sizeof(addressstring2), 1);
877 printf("calling LHNET_CloseSocket(<%s>)\n", addressstring2);
878 LHNET_CloseSocket(sock[i]);
881 printf("calling LHNET_Shutdown()\n");
885 printf("Testing code for lhnet.c\nusage: lhnettest <localportnumber> [<sendnumberoftimes> <sendaddress:port> <sendmessage>]\n");