diff options
author | Eric Andersen <andersen@codepoet.org> | 2000-10-09 20:06:30 +0000 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 2000-10-09 20:06:30 +0000 |
commit | c1fe19d4c1db610692365472a90f4661e48449c1 (patch) | |
tree | d0b0219ffca3c4c4256f55c4aea4513e43d6aecd /libc/inet/rpc/svc_udp.c | |
parent | 9efafb8bbc7408b04643dcd53825d971577b4d9d (diff) |
Bug ugly formatting update
Diffstat (limited to 'libc/inet/rpc/svc_udp.c')
-rw-r--r-- | libc/inet/rpc/svc_udp.c | 229 |
1 files changed, 112 insertions, 117 deletions
diff --git a/libc/inet/rpc/svc_udp.c b/libc/inet/rpc/svc_udp.c index 69ef7a1ce..b8495a127 100644 --- a/libc/inet/rpc/svc_udp.c +++ b/libc/inet/rpc/svc_udp.c @@ -48,12 +48,12 @@ static char sccsid[] = "@(#)svc_udp.c 1.24 87/08/11 Copyr 1984 Sun Micro"; #define rpc_buffer(xprt) ((xprt)->xp_p1) #define MAX(a, b) ((a > b) ? a : b) -static bool_t svcudp_recv(); -static bool_t svcudp_reply(); -static enum xprt_stat svcudp_stat(); -static bool_t svcudp_getargs(); -static bool_t svcudp_freeargs(); -static void svcudp_destroy(); +static bool_t svcudp_recv(); +static bool_t svcudp_reply(); +static enum xprt_stat svcudp_stat(); +static bool_t svcudp_getargs(); +static bool_t svcudp_freeargs(); +static void svcudp_destroy(); static struct xp_ops svcudp_op = { svcudp_recv, @@ -70,12 +70,13 @@ extern int errno; * kept in xprt->xp_p2 */ struct svcudp_data { - u_int su_iosz; /* byte size of send.recv buffer */ - u_long su_xid; /* transaction id */ - XDR su_xdrs; /* XDR handle */ - char su_verfbody[MAX_AUTH_BYTES]; /* verifier body */ - char * su_cache; /* cached data, NULL if no cache */ + u_int su_iosz; /* byte size of send.recv buffer */ + u_long su_xid; /* transaction id */ + XDR su_xdrs; /* XDR handle */ + char su_verfbody[MAX_AUTH_BYTES]; /* verifier body */ + char *su_cache; /* cached data, NULL if no cache */ }; + #define su_data(xprt) ((struct svcudp_data *)(xprt->xp_p2)) /* @@ -91,10 +92,9 @@ struct svcudp_data { * see (svc.h, xprt_register). * The routines returns NULL if a problem occurred. */ -SVCXPRT * -svcudp_bufcreate(sock, sendsz, recvsz) - register int sock; - u_int sendsz, recvsz; +SVCXPRT *svcudp_bufcreate(sock, sendsz, recvsz) +register int sock; +u_int sendsz, recvsz; { bool_t madesock = FALSE; register SVCXPRT *xprt; @@ -105,41 +105,41 @@ svcudp_bufcreate(sock, sendsz, recvsz) if (sock == RPC_ANYSOCK) { if ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { perror("svcudp_create: socket creation problem"); - return ((SVCXPRT *)NULL); + return ((SVCXPRT *) NULL); } madesock = TRUE; } - bzero((char *)&addr, sizeof (addr)); + bzero((char *) &addr, sizeof(addr)); addr.sin_family = AF_INET; if (bindresvport(sock, &addr)) { addr.sin_port = 0; - (void)bind(sock, (struct sockaddr *)&addr, len); + (void) bind(sock, (struct sockaddr *) &addr, len); } - if (getsockname(sock, (struct sockaddr *)&addr, &len) != 0) { + if (getsockname(sock, (struct sockaddr *) &addr, &len) != 0) { perror("svcudp_create - cannot getsockname"); if (madesock) - (void)close(sock); - return ((SVCXPRT *)NULL); + (void) close(sock); + return ((SVCXPRT *) NULL); } - xprt = (SVCXPRT *)mem_alloc(sizeof(SVCXPRT)); + xprt = (SVCXPRT *) mem_alloc(sizeof(SVCXPRT)); if (xprt == NULL) { - (void)fprintf(stderr, "svcudp_create: out of memory\n"); + (void) fprintf(stderr, "svcudp_create: out of memory\n"); return (NULL); } - su = (struct svcudp_data *)mem_alloc(sizeof(*su)); + su = (struct svcudp_data *) mem_alloc(sizeof(*su)); if (su == NULL) { - (void)fprintf(stderr, "svcudp_create: out of memory\n"); + (void) fprintf(stderr, "svcudp_create: out of memory\n"); return (NULL); } su->su_iosz = ((MAX(sendsz, recvsz) + 3) / 4) * 4; if ((rpc_buffer(xprt) = mem_alloc(su->su_iosz)) == NULL) { - (void)fprintf(stderr, "svcudp_create: out of memory\n"); + (void) fprintf(stderr, "svcudp_create: out of memory\n"); return (NULL); } - xdrmem_create( - &(su->su_xdrs), rpc_buffer(xprt), su->su_iosz, XDR_DECODE); + xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt), su->su_iosz, + XDR_DECODE); su->su_cache = NULL; - xprt->xp_p2 = (caddr_t)su; + xprt->xp_p2 = (caddr_t) su; xprt->xp_verf.oa_base = su->su_verfbody; xprt->xp_ops = &svcudp_op; xprt->xp_port = ntohs(addr.sin_port); @@ -148,26 +148,23 @@ svcudp_bufcreate(sock, sendsz, recvsz) return (xprt); } -SVCXPRT * -svcudp_create(sock) - int sock; +SVCXPRT *svcudp_create(sock) +int sock; { - return(svcudp_bufcreate(sock, UDPMSGSIZE, UDPMSGSIZE)); + return (svcudp_bufcreate(sock, UDPMSGSIZE, UDPMSGSIZE)); } -static enum xprt_stat -svcudp_stat(xprt) - SVCXPRT *xprt; +static enum xprt_stat svcudp_stat(xprt) +SVCXPRT *xprt; { - return (XPRT_IDLE); + return (XPRT_IDLE); } -static bool_t -svcudp_recv(xprt, msg) - register SVCXPRT *xprt; - struct rpc_msg *msg; +static bool_t svcudp_recv(xprt, msg) +register SVCXPRT *xprt; +struct rpc_msg *msg; { register struct svcudp_data *su = su_data(xprt); register XDR *xdrs = &(su->su_xdrs); @@ -175,33 +172,35 @@ svcudp_recv(xprt, msg) char *reply; u_long replylen; - again: + again: xprt->xp_addrlen = sizeof(struct sockaddr_in); + rlen = recvfrom(xprt->xp_sock, rpc_buffer(xprt), (int) su->su_iosz, - 0, (struct sockaddr *)&(xprt->xp_raddr), &(xprt->xp_addrlen)); + 0, (struct sockaddr *) &(xprt->xp_raddr), + &(xprt->xp_addrlen)); if (rlen == -1 && errno == EINTR) goto again; - if (rlen < 4*sizeof(u_long)) + if (rlen < 4 * sizeof(u_long)) return (FALSE); xdrs->x_op = XDR_DECODE; XDR_SETPOS(xdrs, 0); - if (! xdr_callmsg(xdrs, msg)) + if (!xdr_callmsg(xdrs, msg)) return (FALSE); su->su_xid = msg->rm_xid; if (su->su_cache != NULL) { if (cache_get(xprt, msg, &reply, &replylen)) { (void) sendto(xprt->xp_sock, reply, (int) replylen, 0, - (struct sockaddr *) &xprt->xp_raddr, xprt->xp_addrlen); + (struct sockaddr *) &xprt->xp_raddr, + xprt->xp_addrlen); return (TRUE); } } return (TRUE); } -static bool_t -svcudp_reply(xprt, msg) - register SVCXPRT *xprt; - struct rpc_msg *msg; +static bool_t svcudp_reply(xprt, msg) +register SVCXPRT *xprt; +struct rpc_msg *msg; { register struct svcudp_data *su = su_data(xprt); register XDR *xdrs = &(su->su_xdrs); @@ -212,10 +211,10 @@ svcudp_reply(xprt, msg) XDR_SETPOS(xdrs, 0); msg->rm_xid = su->su_xid; if (xdr_replymsg(xdrs, msg)) { - slen = (int)XDR_GETPOS(xdrs); + slen = (int) XDR_GETPOS(xdrs); if (sendto(xprt->xp_sock, rpc_buffer(xprt), slen, 0, - (struct sockaddr *)&(xprt->xp_raddr), xprt->xp_addrlen) - == slen) { + (struct sockaddr *) &(xprt->xp_raddr), xprt->xp_addrlen) + == slen) { stat = TRUE; if (su->su_cache && slen >= 0) { cache_set(xprt, (u_long) slen); @@ -225,40 +224,38 @@ svcudp_reply(xprt, msg) return (stat); } -static bool_t -svcudp_getargs(xprt, xdr_args, args_ptr) - SVCXPRT *xprt; - xdrproc_t xdr_args; - caddr_t args_ptr; +static bool_t svcudp_getargs(xprt, xdr_args, args_ptr) +SVCXPRT *xprt; +xdrproc_t xdr_args; +caddr_t args_ptr; { - return ((*xdr_args)(&(su_data(xprt)->su_xdrs), args_ptr)); + return ((*xdr_args) (&(su_data(xprt)->su_xdrs), args_ptr)); } -static bool_t -svcudp_freeargs(xprt, xdr_args, args_ptr) - SVCXPRT *xprt; - xdrproc_t xdr_args; - caddr_t args_ptr; +static bool_t svcudp_freeargs(xprt, xdr_args, args_ptr) +SVCXPRT *xprt; +xdrproc_t xdr_args; +caddr_t args_ptr; { register XDR *xdrs = &(su_data(xprt)->su_xdrs); xdrs->x_op = XDR_FREE; - return ((*xdr_args)(xdrs, args_ptr)); + return ((*xdr_args) (xdrs, args_ptr)); } -static void -svcudp_destroy(xprt) - register SVCXPRT *xprt; +static void svcudp_destroy(xprt) +register SVCXPRT *xprt; { register struct svcudp_data *su = su_data(xprt); xprt_unregister(xprt); - (void)close(xprt->xp_sock); + (void) close(xprt->xp_sock); XDR_DESTROY(&(su->su_xdrs)); mem_free(rpc_buffer(xprt), su->su_iosz); - mem_free((caddr_t)su, sizeof(struct svcudp_data)); - mem_free((caddr_t)xprt, sizeof(SVCXPRT)); + mem_free((caddr_t) su, sizeof(struct svcudp_data)); + + mem_free((caddr_t) xprt, sizeof(SVCXPRT)); } @@ -270,7 +267,7 @@ svcudp_destroy(xprt) * Buffers are sent again if retransmissions are detected. */ -#define SPARSENESS 4 /* 75% sparse */ +#define SPARSENESS 4 /* 75% sparse */ #define CACHE_PERROR(msg) \ (void) fprintf(stderr,"%s\n", msg) @@ -279,7 +276,7 @@ svcudp_destroy(xprt) (type *) mem_alloc((unsigned) (sizeof(type) * (size))) #define BZERO(addr, type, size) \ - bzero((char *) addr, sizeof(type) * (int) (size)) + bzero((char *) addr, sizeof(type) * (int) (size)) /* * An entry in the cache @@ -297,12 +294,12 @@ struct cache_node { /* * The cached reply and length */ - char * cache_reply; + char *cache_reply; u_long cache_replylen; /* - * Next node on the list, if there is a collision + * Next node on the list, if there is a collision */ - cache_ptr cache_next; + cache_ptr cache_next; }; @@ -311,14 +308,14 @@ struct cache_node { * The entire cache */ struct udp_cache { - u_long uc_size; /* size of cache */ - cache_ptr *uc_entries; /* hash table of entries in cache */ - cache_ptr *uc_fifo; /* fifo list of entries in cache */ - u_long uc_nextvictim; /* points to next victim in fifo list */ - u_long uc_prog; /* saved program number */ - u_long uc_vers; /* saved version number */ - u_long uc_proc; /* saved procedure number */ - struct sockaddr_in uc_addr; /* saved caller's address */ + u_long uc_size; /* size of cache */ + cache_ptr *uc_entries; /* hash table of entries in cache */ + cache_ptr *uc_fifo; /* fifo list of entries in cache */ + u_long uc_nextvictim; /* points to next victim in fifo list */ + u_long uc_prog; /* saved program number */ + u_long uc_vers; /* saved version number */ + u_long uc_proc; /* saved procedure number */ + struct sockaddr_in uc_addr; /* saved caller's address */ }; @@ -326,7 +323,7 @@ struct udp_cache { * the hashing function */ #define CACHE_LOC(transp, xid) \ - (xid % (SPARSENESS*((struct udp_cache *) su_data(transp)->su_cache)->uc_size)) + (xid % (SPARSENESS*((struct udp_cache *) su_data(transp)->su_cache)->uc_size)) /* @@ -334,49 +331,48 @@ struct udp_cache { * Note: there is no disable. */ svcudp_enablecache(transp, size) - SVCXPRT *transp; - u_long size; +SVCXPRT *transp; +u_long size; { struct svcudp_data *su = su_data(transp); struct udp_cache *uc; if (su->su_cache != NULL) { CACHE_PERROR("enablecache: cache already enabled"); - return(0); + return (0); } uc = ALLOC(struct udp_cache, 1); if (uc == NULL) { CACHE_PERROR("enablecache: could not allocate cache"); - return(0); + return (0); } uc->uc_size = size; uc->uc_nextvictim = 0; uc->uc_entries = ALLOC(cache_ptr, size * SPARSENESS); if (uc->uc_entries == NULL) { CACHE_PERROR("enablecache: could not allocate cache data"); - return(0); + return (0); } BZERO(uc->uc_entries, cache_ptr, size * SPARSENESS); uc->uc_fifo = ALLOC(cache_ptr, size); if (uc->uc_fifo == NULL) { CACHE_PERROR("enablecache: could not allocate cache fifo"); - return(0); + return (0); } BZERO(uc->uc_fifo, cache_ptr, size); su->su_cache = (char *) uc; - return(1); + return (1); } /* * Set an entry in the cache */ -static -cache_set(xprt, replylen) - SVCXPRT *xprt; - u_long replylen; +static cache_set(xprt, replylen) +SVCXPRT *xprt; +u_long replylen; { - register cache_ptr victim; + register cache_ptr victim; register cache_ptr *vicp; register struct svcudp_data *su = su_data(xprt); struct udp_cache *uc = (struct udp_cache *) su->su_cache; @@ -384,16 +380,15 @@ cache_set(xprt, replylen) char *newbuf; /* - * Find space for the new entry, either by + * Find space for the new entry, either by * reusing an old entry, or by mallocing a new one */ victim = uc->uc_fifo[uc->uc_nextvictim]; if (victim != NULL) { loc = CACHE_LOC(xprt, victim->cache_xid); - for (vicp = &uc->uc_entries[loc]; - *vicp != NULL && *vicp != victim; - vicp = &(*vicp)->cache_next) - ; + for (vicp = &uc->uc_entries[loc]; + *vicp != NULL && *vicp != victim; + vicp = &(*vicp)->cache_next); if (*vicp == NULL) { CACHE_PERROR("cache_set: victim not found"); return; @@ -402,6 +397,7 @@ cache_set(xprt, replylen) newbuf = victim->cache_reply; } else { victim = ALLOC(struct cache_node, 1); + if (victim == NULL) { CACHE_PERROR("cache_set: victim alloc failed"); return; @@ -419,14 +415,15 @@ cache_set(xprt, replylen) victim->cache_replylen = replylen; victim->cache_reply = rpc_buffer(xprt); rpc_buffer(xprt) = newbuf; - xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt), su->su_iosz, XDR_ENCODE); + xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt), su->su_iosz, + XDR_ENCODE); victim->cache_xid = su->su_xid; victim->cache_proc = uc->uc_proc; victim->cache_vers = uc->uc_vers; victim->cache_prog = uc->uc_prog; victim->cache_addr = uc->uc_addr; loc = CACHE_LOC(xprt, victim->cache_xid); - victim->cache_next = uc->uc_entries[loc]; + victim->cache_next = uc->uc_entries[loc]; uc->uc_entries[loc] = victim; uc->uc_fifo[uc->uc_nextvictim++] = victim; uc->uc_nextvictim %= uc->uc_size; @@ -436,12 +433,11 @@ cache_set(xprt, replylen) * Try to get an entry from the cache * return 1 if found, 0 if not found */ -static -cache_get(xprt, msg, replyp, replylenp) - SVCXPRT *xprt; - struct rpc_msg *msg; - char **replyp; - u_long *replylenp; +static cache_get(xprt, msg, replyp, replylenp) +SVCXPRT *xprt; +struct rpc_msg *msg; +char **replyp; +u_long *replylenp; { u_int loc; register cache_ptr ent; @@ -453,13 +449,13 @@ cache_get(xprt, msg, replyp, replylenp) loc = CACHE_LOC(xprt, su->su_xid); for (ent = uc->uc_entries[loc]; ent != NULL; ent = ent->cache_next) { if (ent->cache_xid == su->su_xid && - ent->cache_proc == uc->uc_proc && - ent->cache_vers == uc->uc_vers && - ent->cache_prog == uc->uc_prog && - EQADDR(ent->cache_addr, uc->uc_addr)) { + ent->cache_proc == uc->uc_proc && + ent->cache_vers == uc->uc_vers && + ent->cache_prog == uc->uc_prog && + EQADDR(ent->cache_addr, uc->uc_addr)) { *replyp = ent->cache_reply; *replylenp = ent->cache_replylen; - return(1); + return (1); } } /* @@ -470,6 +466,5 @@ cache_get(xprt, msg, replyp, replylenp) uc->uc_vers = msg->rm_call.cb_vers; uc->uc_prog = msg->rm_call.cb_prog; uc->uc_addr = xprt->xp_raddr; - return(0); + return (0); } - |