X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=lhnet.c;h=fff523dd3ece9da7f64aa0e3d4bfecd5da546666;hp=20781f820af82ef0c2b83eaf0da8cf32e8c8ac76;hb=9becec9419d9a20c7d373b14e1106d5f0ce78494;hpb=a061e592f5be6deb9bd609a060f006836ce07b72 diff --git a/lhnet.c b/lhnet.c index 20781f82..fff523dd 100644 --- a/lhnet.c +++ b/lhnet.c @@ -1,5 +1,5 @@ -// Written by Forest Hale 2003-06-15 and placed into public domain. +// Written by Ashley Rose Hale (LadyHavoc) 2003-06-15 and placed into public domain. #ifdef WIN32 #ifdef _MSC_VER @@ -17,7 +17,7 @@ #endif #ifndef STANDALONETEST -#include "quakedef.h" +#include "darkplaces.h" #endif #include @@ -57,6 +57,9 @@ #include "lhnet.h" #if defined(WIN32) +// as of Visual Studio 2015, EWOULDBLOCK and ECONNREFUSED are real things, with different values than we want when talking to WinSock, so we have to undef them here or change the rest of the code. +#undef EWOULDBLOCK +#undef ECONNREFUSED #define EWOULDBLOCK WSAEWOULDBLOCK #define ECONNREFUSED WSAECONNREFUSED @@ -311,7 +314,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *vaddress, const char *string, int de #ifdef STANDALONETEST if (i < MAX_NAMECACHE) #else - if (i < MAX_NAMECACHE && realtime < namecache[i].expirationtime) + if (i < MAX_NAMECACHE && host.realtime < namecache[i].expirationtime) #endif { *address = namecache[i].address; @@ -333,7 +336,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *vaddress, const char *string, int de namecache[namecacheposition].name[i] = name[i]; namecache[namecacheposition].name[i] = 0; #ifndef STANDALONETEST - namecache[namecacheposition].expirationtime = realtime + 12 * 3600; // 12 hours + namecache[namecacheposition].expirationtime = host.realtime + 12 * 3600; // 12 hours #endif // try resolving the address (handles dns and other ip formats) @@ -446,7 +449,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *vaddress, const char *string, int de #ifdef STANDALONETEST if (i < MAX_NAMECACHE) #else - if (i < MAX_NAMECACHE && realtime < namecache[i].expirationtime) + if (i < MAX_NAMECACHE && host.realtime < namecache[i].expirationtime) #endif { *address = namecache[i].address; @@ -482,7 +485,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *vaddress, const char *string, int de namecache[namecacheposition].name[i] = name[i]; namecache[namecacheposition].name[i] = 0; #ifndef STANDALONETEST - namecache[namecacheposition].expirationtime = realtime + 12 * 3600; // 12 hours + namecache[namecacheposition].expirationtime = host.realtime + 12 * 3600; // 12 hours #endif namecache[namecacheposition].address = *address; namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE; @@ -505,7 +508,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *vaddress, const char *string, int de namecache[namecacheposition].name[i] = name[i]; namecache[namecacheposition].name[i] = 0; #ifndef STANDALONETEST - namecache[namecacheposition].expirationtime = realtime + 12 * 3600; // 12 hours + namecache[namecacheposition].expirationtime = host.realtime + 12 * 3600; // 12 hours #endif namecache[namecacheposition].address = *address; namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE; @@ -523,7 +526,7 @@ int LHNETADDRESS_FromString(lhnetaddress_t *vaddress, const char *string, int de namecache[namecacheposition].name[i] = name[i]; namecache[namecacheposition].name[i] = 0; #ifndef STANDALONETEST - namecache[namecacheposition].expirationtime = realtime + 12 * 3600; // 12 hours + namecache[namecacheposition].expirationtime = host.realtime + 12 * 3600; // 12 hours #endif namecache[namecacheposition].address.addresstype = LHNETADDRESSTYPE_NONE; namecacheposition = (namecacheposition + 1) % MAX_NAMECACHE; @@ -716,7 +719,7 @@ typedef struct lhnetpacket_s #ifndef STANDALONETEST double sentdoubletime; #endif - struct lhnetpacket_s *next, *prev; + llist_t list; } lhnetpacket_t; @@ -733,8 +736,8 @@ void LHNET_Init(void) { if (lhnet_active) return; - lhnet_socketlist.next = lhnet_socketlist.prev = &lhnet_socketlist; - lhnet_packetlist.next = lhnet_packetlist.prev = &lhnet_packetlist; + List_Create(&lhnet_socketlist.list); + List_Create(&lhnet_packetlist.list); lhnet_active = 1; #ifdef WIN32 lhnet_didWSAStartup = !WSAStartup(MAKEWORD(1, 1), &lhnet_winsockdata); @@ -757,16 +760,15 @@ int LHNET_DefaultDSCP(int dscp) void LHNET_Shutdown(void) { - lhnetpacket_t *p; + lhnetsocket_t *s, *snext; + lhnetpacket_t *p, *pnext; if (!lhnet_active) return; - while (lhnet_socketlist.next != &lhnet_socketlist) - LHNET_CloseSocket(lhnet_socketlist.next); - while (lhnet_packetlist.next != &lhnet_packetlist) + List_For_Each_Entry_Safe(s, snext, &lhnet_socketlist.list, list) + LHNET_CloseSocket(s); + List_For_Each_Entry_Safe(p, pnext, &lhnet_packetlist.list, list) { - p = lhnet_packetlist.next; - p->prev->next = p->next; - p->next->prev = p->prev; + List_Delete(&p->list); Z_Free(p); } #ifdef WIN32 @@ -846,7 +848,7 @@ void LHNET_SleepUntilPacket_Microseconds(int microseconds) lhnetsocket_t *s; FD_ZERO(&fdreadset); lastfd = 0; - for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next) + List_For_Each_Entry(s, &lhnet_socketlist.list, list) { if (s->address.addresstype == LHNETADDRESSTYPE_INET4 || s->address.addresstype == LHNETADDRESSTYPE_INET6) { @@ -890,7 +892,7 @@ lhnetsocket_t *LHNET_OpenSocket_Connectionless(lhnetaddress_t *address) lhnetsocket->address.port = 1024; for (;;) { - for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next) + List_For_Each_Entry(s, &lhnet_socketlist.list, list) if (s->address.addresstype == lhnetsocket->address.addresstype && s->address.port == lhnetsocket->address.port) break; if (s == &lhnet_socketlist) @@ -899,15 +901,12 @@ lhnetsocket_t *LHNET_OpenSocket_Connectionless(lhnetaddress_t *address) } } // check if the port is available - for (s = lhnet_socketlist.next;s != &lhnet_socketlist;s = s->next) + List_For_Each_Entry(s, &lhnet_socketlist.list, list) 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; + List_Add_Tail(&lhnetsocket->list, &lhnet_socketlist.list); return lhnetsocket; } break; @@ -966,9 +965,9 @@ lhnetsocket_t *LHNET_OpenSocket_Connectionless(lhnetaddress_t *address) int rfc1149only = 0; int rfc1149enabled = 0; if(setsockopt(lhnetsocket->inetsocket, SOL_RFC1149, RFC1149_1149ONLY, &rfc1149only)) - Con_Printf("LHNET_OpenSocket_Connectionless: warning: setsockopt(RFC1149_1149ONLY) returned error: %s\n", LHNETPRIVATE_StrError()); + Con_Printf(CON_ERROR "LHNET_OpenSocket_Connectionless: warning: setsockopt(RFC1149_1149ONLY) returned error: %s\n", LHNETPRIVATE_StrError()); if(setsockopt(lhnetsocket->inetsocket, SOL_RFC1149, RFC1149_ENABLED, &rfc1149enabled)) - Con_Printf("LHNET_OpenSocket_Connectionless: warning: setsockopt(RFC1149_ENABLED) returned error: %s\n", LHNETPRIVATE_StrError()); + Con_Printf(CON_ERROR "LHNET_OpenSocket_Connectionless: warning: setsockopt(RFC1149_ENABLED) returned error: %s\n", LHNETPRIVATE_StrError()); } #endif @@ -1015,10 +1014,7 @@ lhnetsocket_t *LHNET_OpenSocket_Connectionless(lhnetaddress_t *address) } } #endif - lhnetsocket->next = &lhnet_socketlist; - lhnetsocket->prev = lhnetsocket->next->prev; - lhnetsocket->next->prev = lhnetsocket; - lhnetsocket->prev->next = lhnetsocket; + List_Add_Tail(&lhnetsocket->list, &lhnet_socketlist.list); #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()); @@ -1057,14 +1053,7 @@ 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; - + List_Delete(&lhnetsocket->list); // no special close code for loopback, just inet if (lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET4 || lhnetsocket->address.addresstype == LHNETADDRESSTYPE_INET6) { @@ -1095,19 +1084,17 @@ int LHNET_Read(lhnetsocket_t *lhnetsocket, void *content, int maxcontentlength, // 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) + List_For_Each_Entry_Safe(p, pnext, &lhnet_packetlist.list, list) { - pnext = p->next; if (p->timeout < currenttime) { // unlink and free - p->next->prev = p->prev; - p->prev->next = p->next; + List_Delete(&p->list); Z_Free(p); continue; } #ifndef STANDALONETEST - if (cl_netlocalping.value && (realtime - cl_netlocalping.value * (1.0 / 2000.0)) < p->sentdoubletime) + if (net_fakelag.value && (host.realtime - net_fakelag.value * (1.0 / 2000.0)) < p->sentdoubletime) continue; #endif if (value == 0 && p->destinationport == lhnetsocket->address.port) @@ -1123,8 +1110,7 @@ int LHNET_Read(lhnetsocket_t *lhnetsocket, void *content, int maxcontentlength, else value = -1; // unlink and free - p->next->prev = p->prev; - p->prev->next = p->next; + List_Delete(&p->list); Z_Free(p); } } @@ -1204,12 +1190,10 @@ int LHNET_Write(lhnetsocket_t *lhnetsocket, const void *content, int contentleng 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; + List_Add_Tail(&p->list, &lhnet_packetlist.list); + #ifndef STANDALONETEST - p->sentdoubletime = realtime; + p->sentdoubletime = host.realtime; #endif value = contentlength; }