X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=comstack%2Ftcpip.c;h=3cbf108fcfd5410fb04139050470fe1da7456554;hb=542c22e17883f15a72d783371891b492cbd4b80c;hp=f9c48c0b4a5eccba65157de571e3ac57ce08fb3f;hpb=bc33b8b53697bcc10a02f7e7456fd75b2c3473ef;p=yaz-moved-to-github.git diff --git a/comstack/tcpip.c b/comstack/tcpip.c index f9c48c0..3cbf108 100644 --- a/comstack/tcpip.c +++ b/comstack/tcpip.c @@ -4,7 +4,19 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: tcpip.c,v $ - * Revision 1.12 1996-07-06 19:58:30 quinn + * Revision 1.16 1997-09-01 08:49:14 adam + * New windows NT/95 port using MSV5.0. Minor changes only. + * + * Revision 1.15 1997/05/14 06:53:33 adam + * C++ support. + * + * Revision 1.14 1997/05/01 15:06:32 adam + * Moved WINSOCK init. code to tcpip_init routine. + * + * Revision 1.13 1996/11/01 08:45:18 adam + * Bug fix: used close on MS-Windows. Fixed to closesocket. + * + * Revision 1.12 1996/07/06 19:58:30 quinn * System headerfiles gathered in yconfig * * Revision 1.11 1996/02/23 10:00:39 quinn @@ -109,7 +121,9 @@ #include #include #include +#ifndef WINDOWS #include +#endif #include #include @@ -139,8 +153,6 @@ int completeWAIS(unsigned char *buf, int len); /* from waislen.c */ #define TRC(X) #endif -static int initialized = 0; - typedef struct tcpip_state { char *altbuf; /* alternate buffer for surplus data */ @@ -152,6 +164,28 @@ typedef struct tcpip_state int (*complete)(unsigned char *buf, int len); /* length/completeness */ } tcpip_state; +#ifdef WINDOWS +static int tcpip_init (void) +{ + static int initialized = 0; + if (!initialized) + { + WORD requested; + WSADATA wd; + + requested = MAKEWORD(1, 1); + if (WSAStartup(requested, &wd)) + return 0; + initialized = 1; + } + return 1; +} +#else +static int tcpip_init (void) +{ + return 1; +} +#endif /* * This function is always called through the cs_create() macro. * s >= 0: socket has already been established for us. @@ -167,19 +201,8 @@ COMSTACK tcpip_type(int s, int blocking, int protocol) struct protoent *proto; #endif - if (!initialized) - { -#ifdef WINDOWS - WORD requested; - WSADATA wd; - - requested = MAKEWORD(1, 1); - if (WSAStartup(requested, &wd)) - return 0; -#endif - initialized = 1; - } - + if (!tcpip_init ()) + return 0; if (s < 0) { #ifndef WINDOWS @@ -196,7 +219,7 @@ COMSTACK tcpip_type(int s, int blocking, int protocol) new_socket = 0; if (!(p = xmalloc(sizeof(struct comstack)))) return 0; - if (!(state = p->private = xmalloc(sizeof(tcpip_state)))) + if (!(state = p->cprivate = xmalloc(sizeof(tcpip_state)))) return 0; #ifdef WINDOWS @@ -248,6 +271,8 @@ struct sockaddr_in *tcpip_strtoaddr(const char *str) short int port = 210; unsigned tmpadd; + if (!tcpip_init ()) + return 0; TRC(fprintf(stderr, "tcpip_strtoaddress: %s\n", str ? str : "NULL")); add.sin_family = AF_INET; strcpy(buf, str); @@ -270,7 +295,7 @@ struct sockaddr_in *tcpip_strtoaddr(const char *str) int tcpip_more(COMSTACK h) { - tcpip_state *sp = h->private; + tcpip_state *sp = h->cprivate; return sp->altlen && (*sp->complete)((unsigned char *) sp->altbuf, sp->altlen); @@ -368,8 +393,8 @@ int tcpip_listen(COMSTACK h, char *raddr, int *addrlen) COMSTACK tcpip_accept(COMSTACK h) { - COMSTACK new; - tcpip_state *state, *st = h->private; + COMSTACK cnew; + tcpip_state *state, *st = h->cprivate; #ifdef WINDOWS unsigned long tru = 1; #endif @@ -380,31 +405,31 @@ COMSTACK tcpip_accept(COMSTACK h) h->cerrno = CSOUTSTATE; return 0; } - if (!(new = xmalloc(sizeof(*new)))) + if (!(cnew = xmalloc(sizeof(*cnew)))) { h->cerrno = CSYSERR; return 0; } - memcpy(new, h, sizeof(*h)); - new->iofile = h->newfd; - if (!(state = new->private = xmalloc(sizeof(tcpip_state)))) + memcpy(cnew, h, sizeof(*h)); + cnew->iofile = h->newfd; + if (!(state = cnew->cprivate = xmalloc(sizeof(tcpip_state)))) { h->cerrno = CSYSERR; return 0; } #ifdef WINDOWS - if (!new->blocking && ioctlsocket(new->iofile, FIONBIO, &tru) < 0) + if (!cnew->blocking && ioctlsocket(cnew->iofile, FIONBIO, &tru) < 0) #else - if (!new->blocking && fcntl(new->iofile, F_SETFL, O_NONBLOCK) < 0) + if (!cnew->blocking && fcntl(cnew->iofile, F_SETFL, O_NONBLOCK) < 0) #endif return 0; state->altbuf = 0; state->altsize = state->altlen = 0; state->towrite = state->written = -1; state->complete = st->complete; - new->state = CS_DATAXFER; + cnew->state = CS_DATAXFER; h->state = CS_IDLE; - return new; + return cnew; } #define CS_TCPIP_BUFCHUNK 4096 @@ -415,7 +440,7 @@ COMSTACK tcpip_accept(COMSTACK h) */ int tcpip_get(COMSTACK h, char **buf, int *bufsize) { - tcpip_state *sp = h->private; + tcpip_state *sp = h->cprivate; char *tmpc; int tmpi, berlen, rest, req, tomove; int hasread = 0, res; @@ -491,7 +516,7 @@ int tcpip_get(COMSTACK h, char **buf, int *bufsize) int tcpip_put(COMSTACK h, char *buf, int size) { int res; - struct tcpip_state *state = h->private; + struct tcpip_state *state = h->cprivate; TRC(fprintf(stderr, "tcpip_put: size=%d\n", size)); if (state->towrite < 0) @@ -532,10 +557,15 @@ int tcpip_put(COMSTACK h, char *buf, int size) int tcpip_close(COMSTACK h) { - tcpip_state *sp = h->private; + tcpip_state *sp = h->cprivate; TRC(fprintf(stderr, "tcpip_close\n")); - close(h->iofile); + if (h->iofile != -1) +#ifdef WINDOWS + closesocket(h->iofile); +#else + close(h->iofile); +#endif if (sp->altbuf) xfree(sp->altbuf); xfree(sp);