#include "hbytes.h"
typedef struct DgramSocket {
- int ix, fd, script_llength;
+ int ix; /* first ! */
+ int fd, script_llength;
Tcl_Interp *ip;
Tcl_Obj *script;
void *addr_buf, *msg_buf;
int addr_buflen, msg_buflen;
} DgramSocket;
-static int n_socks;
-static DgramSocket **socks;
-
-static int sockfail(Tcl_Interp *ip, int fd, const char *m) {
- int e;
- e= errno;
- close(fd);
- return posixerr(ip,e,m);
-}
+IdDataTable dgram_socks= { "dgramsock" };
int do_dgram_socket_create(ClientData cd, Tcl_Interp *ip,
- SockAddr_Value local, DgramSockID *sock_r) {
- int fd, al, r, sockix;
+ SockAddr_Value local, void **sock_r) {
+ int fd, al, r;
DgramSocket *sock;
const struct sockaddr *sa;
- for (sockix=0; sockix<n_socks && socks[sockix]; sockix++);
- if (sockix>=n_socks) {
- n_socks += 2;
- n_socks *= 2;
- socks= (void*)Tcl_Realloc((void*)socks, n_socks*sizeof(*socks));
- while (sockix<n_socks) socks[sockix++]=0;
- sockix--;
- }
-
sa= sockaddr_addr(&local);
al= sockaddr_len(&local);
fd= socket(sa->sa_family, SOCK_DGRAM, 0);
if (fd<0) return posixerr(ip,errno,"socket");
- r= bind(fd, sa, al); if (r) return sockfail(ip,fd,"bind");
- r= setnonblock(fd, 1); if (r) return sockfail(ip,fd,"setnonblock");
+ r= bind(fd, sa, al); if (r) return newfdposixerr(ip,fd,"bind");
+ r= setnonblock(fd, 1); if (r) return newfdposixerr(ip,fd,"setnonblock");
- socks[sockix]= sock= TALLOC(sizeof(DgramSocket));
+ sock= TALLOC(sizeof(DgramSocket));
+ sock->ix= -1;
sock->fd= fd;
- sock->ix= sockix;
sock->script= 0;
sock->addr_buflen= al+1;
sock->addr_buf= TALLOC(sock->addr_buflen);
}
int do_dgram_socket_transmit(ClientData cd, Tcl_Interp *ip,
- DgramSocket *sock, HBytes_Value data,
+ void *sock_v, HBytes_Value data,
SockAddr_Value remote) {
+ DgramSocket *sock= sock_v;
int l, r;
r= sendto(sock->fd,
args[0]= ret_hb(ip, message_val); hbytes_empty(&message_val);
args[1]= ret_sockaddr(ip, peer_val); sockaddr_clear(&peer_val);
- args[2]= ret_sockid(ip, sock);
+ args[2]= ret_iddata(ip, sock, &dgram_socks);
for (i=0; i<3; i++) Tcl_IncrRefCount(args[i]);
invoke= Tcl_DuplicateObj(sock->script);
}
int do_dgram_socket_on_receive(ClientData cd, Tcl_Interp *ip,
- DgramSocket *sock, Tcl_Obj *script) {
+ void *sock_v, Tcl_Obj *script) {
+ DgramSocket *sock= sock_v;
int rc;
if (script) {
return TCL_OK;
}
-int do_dgram_socket_close(ClientData cd, Tcl_Interp *ip, DgramSocket *sock) {
+int do_dgram_socket_close(ClientData cd, Tcl_Interp *ip, void *sock_v) {
+ DgramSocket *sock= sock_v;
int sockix;
cancel(sock);
close(sock->fd); /* nothing useful to be done with errors */
TFREE(sock->addr_buf);
TFREE(sock->msg_buf);
TFREE(sock);
- socks[sockix]= 0;
- return TCL_OK;
-}
-
-/* Arg parsing */
-
-int pat_sockid(Tcl_Interp *ip, Tcl_Obj *o, DgramSocket **val) {
- int rc, sockix;
- DgramSocket *sock;
-
- rc= Tcl_ConvertToType(ip,o,&dgramsockid_type);
- if (rc) return rc;
-
- sockix= o->internalRep.longValue;
- if (sockix >= n_socks || !(sock= socks[sockix]))
- return staticerr(ip,"dgram socket not open",0);
-
- assert(socks[sockix]->ix == sockix);
-
- *val= sock;
- return TCL_OK;
-}
-
-Tcl_Obj *ret_sockid(Tcl_Interp *ip, DgramSocket *val) {
- Tcl_Obj *o;
-
- o= Tcl_NewObj();
- Tcl_InvalidateStringRep(o);
- o->internalRep.longValue= val->ix;
- o->typePtr= &dgramsockid_type;
- return o;
-}
-
-static void sockid_t_free(Tcl_Obj *o) { }
-
-static void sockid_t_dup(Tcl_Obj *src, Tcl_Obj *dup) {
- dup->internalRep= src->internalRep;
- dup->typePtr= &dgramsockid_type;
-}
-
-static void sockid_t_ustr(Tcl_Obj *o) {
- char buf[75];
-
- snprintf(buf,sizeof(buf), "%d", (int)o->internalRep.longValue);
- obj_updatestr_vstringls(o,
- "dgramsock",9,
- buf, strlen(buf),
- (char*)0);
-}
-
-static int sockid_t_sfa(Tcl_Interp *ip, Tcl_Obj *o) {
- unsigned long ul;
- char *ep, *str;
-
- str= Tcl_GetStringFromObj(o,0);
- if (memcmp(str,"dgramsock",9)) return staticerr(ip,"bad dgram socket id",0);
- errno=0; ul=strtoul(str+9,&ep,10);
- if (errno || *ep) return staticerr(ip,"bad dgram socket id number",0);
- if (ul > INT_MAX) return staticerr(ip,"out of range dgram socket id",0);
-
- objfreeir(o);
- o->internalRep.longValue= ul;
- o->typePtr= &dgramsockid_type;
+ dgram_socks.a[sockix]= 0;
return TCL_OK;
}
-
-Tcl_ObjType dgramsockid_type = {
- "dgramsockid",
- sockid_t_free, sockid_t_dup, sockid_t_ustr, sockid_t_sfa
-};