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bsdsocket.cpp
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/*
* UAE - The Un*x Amiga Emulator
*
* bsdsocket.library emulation machine-independent part
*
* Copyright 1997, 1998 Mathias Ortmann
*
* Library initialization code (c) Tauno Taipaleenmaki
*/
#include "sysconfig.h"
#include "sysdeps.h"
#include <assert.h>
#include <stddef.h>
#include "options.h"
#include "memory.h"
#include "custom.h"
#include "newcpu.h"
#include "autoconf.h"
#include "traps.h"
#include "bsdsocket.h"
#include "threaddep/thread.h"
#include "native2amiga.h"
#include "debug.h"
#ifdef BSDSOCKET
#define NEWTRAP 1
int log_bsd = 0;
struct socketbase *socketbases;
static uae_u32 SockLibBase;
#define SOCKPOOLSIZE 128
#define UNIQUE_ID (-1)
/* ObtainSocket()/ReleaseSocket() public socket pool */
struct sockd {
long sockpoolids[SOCKPOOLSIZE];
SOCKET_TYPE sockpoolsocks[SOCKPOOLSIZE];
uae_u32 sockpoolflags[SOCKPOOLSIZE];
};
static long curruniqid = 65536;
static struct sockd *sockdata;
uae_u32 strncpyha(TrapContext *ctx, uae_u32 dst, const uae_char *src, int size)
{
uae_u32 res = dst;
if (trap_is_indirect()) {
trap_put_string(ctx, src, dst, size);
} else {
if (!addr_valid(_T("strncpyha"), dst, size))
return res;
while (size--) {
put_byte (dst++, *src);
if (!*src++)
return res;
}
}
return res;
}
uae_u32 addstr(TrapContext *ctx, uae_u32 * dst, const TCHAR *src)
{
uae_u32 res = *dst;
int len;
char *s = ua(src);
len = strlen(s) + 1;
if (trap_is_indirect()) {
trap_put_bytes(ctx, dst, res, len);
} else {
strcpyha_safe (*dst, s);
}
(*dst) += len;
xfree (s);
return res;
}
uae_u32 addstr_ansi(TrapContext *ctx, uae_u32 * dst, const uae_char *src)
{
uae_u32 res = *dst;
int len;
len = strlen (src) + 1;
if (trap_is_indirect()) {
trap_put_bytes(ctx, dst, res, len);
} else {
strcpyha_safe (*dst, src);
}
(*dst) += len;
return res;
}
uae_u32 addmem(TrapContext *ctx, uae_u32 * dst, const uae_char *src, int len)
{
uae_u32 res = *dst;
if (!src)
return 0;
if (trap_is_indirect()) {
trap_put_bytes(ctx, src, res, len);
} else {
memcpyha_safe (*dst, (uae_u8*)src, len);
}
(*dst) += len;
return res;
}
/* Get current task */
static uae_u32 gettask (TrapContext *ctx)
{
uae_u32 currtask, a1 = trap_get_areg(ctx, 1);
TCHAR *tskname;
trap_call_add_areg(ctx, 1, 0);
currtask = trap_call_lib(ctx, trap_get_long(ctx, 4), -0x126); /* FindTask */
trap_set_areg(ctx, 1, a1);
if (ISBSDTRACE) {
uae_char name[256];
trap_get_string(ctx, name, trap_get_long(ctx, currtask + 10), sizeof name);
tskname = au(name);
BSDTRACE ((_T("[%s] "), tskname));
xfree (tskname);
}
return currtask;
}
/* errno/herrno setting */
void bsdsocklib_seterrno (TrapContext *ctx, SB, int sb_errno)
{
sb->sb_errno = sb_errno;
if (sb->sb_errno >= 1001 && sb->sb_errno <= 1005)
bsdsocklib_setherrno(ctx, sb,sb->sb_errno-1000);
if (sb->errnoptr) {
switch (sb->errnosize) {
case 1:
trap_put_byte(ctx, sb->errnoptr, sb_errno);
break;
case 2:
trap_put_word(ctx, sb->errnoptr, sb_errno);
break;
case 4:
trap_put_long(ctx, sb->errnoptr, sb_errno);
break;
}
}
}
void bsdsocklib_setherrno(TrapContext *ctx, SB, int sb_herrno)
{
sb->sb_herrno = sb_herrno;
if (sb->herrnoptr) {
switch (sb->herrnosize) {
case 1:
trap_put_byte(ctx, sb->herrnoptr, sb_herrno);
break;
case 2:
trap_put_word(ctx, sb->herrnoptr, sb_herrno);
break;
case 4:
trap_put_long(ctx, sb->herrnoptr, sb_herrno);
break;
}
}
}
uae_u32 callfdcallback (TrapContext *ctx, SB, uae_u32 fd, uae_u32 action)
{
uae_u32 v;
if (!sb->fdcallback)
return 0;
BSDTRACE((_T("FD_CALLBACK(%d,%d) "), fd, action));
trap_call_add_dreg(ctx, 0, fd);
trap_call_add_dreg(ctx, 1, action);
v = trap_call_func(ctx, sb->fdcallback);
BSDTRACE((_T("-> %d\n"), v));
return v;
}
bool checksd(TrapContext *ctx, SB, int sd)
{
int iCounter;
SOCKET s;
s = getsock(ctx, sb, sd);
if (s != INVALID_SOCKET) {
for (iCounter = 1; iCounter <= sb->dtablesize; iCounter++) {
if (iCounter != sd) {
if (getsock(ctx, sb, iCounter) == s) {
releasesock(ctx, sb, sd);
return true;
}
}
}
for (iCounter = 0; iCounter < SOCKPOOLSIZE; iCounter++) {
if (s == sockdata->sockpoolsocks[iCounter])
return true;
}
}
BSDTRACE((_T("checksd FALSE s 0x%x sd %d\n"),s,sd));
return false;
}
void setsd(TrapContext *ctx, SB, int sd, SOCKET_TYPE s)
{
callfdcallback(ctx, sb, sd - 1, FDCB_ALLOC);
sb->dtable[sd - 1] = s;
}
/* Socket descriptor/opaque socket handle management */
int getsd (TrapContext *ctx, SB, SOCKET_TYPE s)
{
int i, fdcb;
SOCKET_TYPE *dt = sb->dtable;
/* return socket descriptor if already exists */
for (i = sb->dtablesize; i--;) {
if (dt[i] == s)
return i + 1;
}
/* create new table entry */
fdcb = 0;
for (i = 0; i < sb->dtablesize; i++) {
if (dt[i] == -1) {
if (callfdcallback(ctx, sb, i, FDCB_CHECK)) {
/* fd was allocated by link lib */
dt[i] = -2;
continue;
}
dt[i] = s;
sb->ftable[i] = SF_BLOCKING;
return i + 1;
} else if (dt[i] == -2) {
fdcb = 1;
}
}
/* recheck callback allocated FDs */
if (fdcb) {
for (i = 0; i < sb->dtablesize; i++) {
if (dt[i] == -2) {
if (!callfdcallback(ctx, sb, i, FDCB_CHECK)) {
dt[i] = s;
sb->ftable[i] = SF_BLOCKING;
return i + 1;
}
}
}
}
/* descriptor table full. */
bsdsocklib_seterrno(ctx, sb, 24); /* EMFILE */
return -1;
}
SOCKET_TYPE getsock (TrapContext *ctx, SB, int sd)
{
if ((unsigned int) (sd - 1) >= (unsigned int) sb->dtablesize) {
BSDTRACE ((_T("Invalid Socket Descriptor (%d)\n"), sd));
bsdsocklib_seterrno(ctx, sb, 38); /* ENOTSOCK */
return -1;
}
if (sb->dtable[sd - 1] == INVALID_SOCKET) {
struct socketbase *sb1, *nsb;
uaecptr ot;
uae_char name[256];
if (!trap_valid_address(ctx, sb->ownertask + 10, 4))
return -1;
ot = trap_get_long(ctx, sb->ownertask + 10);
if (!trap_valid_address(ctx, ot, 1))
return -1;
trap_get_string(ctx, name, ot, sizeof name);
// Fix for Newsrog (All Tasks of Newsrog using the same dtable)
for (sb1 = socketbases; sb1; sb1 = nsb) {
uaecptr ot1;
uae_char name1[256];
if (!trap_valid_address(ctx, sb1->ownertask + 10, 4))
break;
ot1 = trap_get_long(ctx, sb1->ownertask + 10);
if (!trap_valid_address(ctx, ot1, 1))
break;
trap_get_string(ctx, name1, ot1, sizeof name1);
if (strcmp(name, name1) == 0) {
// Task with same name already exists -> use same dtable
if (sb1->dtable[sd - 1] != INVALID_SOCKET)
return sb1->dtable[sd - 1];
}
nsb = sb1->next;
}
}
return sb->dtable[sd - 1];
}
void releasesock (TrapContext *ctx, SB, int sd)
{
if ((unsigned int) (sd - 1) < (unsigned int) sb->dtablesize) {
sb->dtable[sd - 1] = -1;
callfdcallback(ctx, sb, sd - 1, FDCB_FREE);
}
}
/* Signal queue */
/* @@@ TODO: ensure proper interlocking */
#if 1
struct socketbase *sbsigqueue;
volatile int bsd_int_requested;
#endif
void addtosigqueue (SB, int events)
{
locksigqueue ();
if (events)
sb->sigstosend |= sb->eventsigs;
else
sb->sigstosend |= ((uae_u32) 1) << sb->signal;
if (!sb->dosignal) {
sb->nextsig = sbsigqueue;
sbsigqueue = sb;
}
sb->dosignal = 1;
bsd_int_requested |= 1;
unlocksigqueue ();
}
void bsdsock_fake_int_handler(void)
{
locksigqueue ();
bsd_int_requested = 0;
if (sbsigqueue != NULL) {
SB;
for (sb = sbsigqueue; sb; sb = sb->nextsig) {
if (sb->dosignal == 1) {
uae_Signal (sb->ownertask, sb->sigstosend);
sb->sigstosend = 0;
}
sb->dosignal = 0;
}
sbsigqueue = NULL;
}
unlocksigqueue ();
}
void waitsig (TrapContext *ctx, SB)
{
long sigs;
trap_call_add_dreg(ctx, 0, (((uae_u32) 1) << sb->signal) | sb->eintrsigs);
if ((sigs = trap_call_lib(ctx, sb->sysbase, -0x13e)) & sb->eintrsigs) { /* Wait */
sockabort (sb);
bsdsocklib_seterrno(ctx, sb, 4); /* EINTR */
// Set signal
trap_call_add_dreg(ctx, 0, sigs);
trap_call_add_dreg(ctx, 1, sb->eintrsigs);
sigs = trap_call_lib(ctx, sb->sysbase, -0x132); /* SetSignal() */
sb->eintr = 1;
} else
sb->eintr = 0;
}
void cancelsig (TrapContext *ctx, SB)
{
locksigqueue ();
if (sb->dosignal)
sb->dosignal = 2;
unlocksigqueue ();
trap_call_add_dreg(ctx, 0, 0);
trap_call_add_dreg(ctx, 1, ((uae_u32) 1) << sb->signal);
trap_call_lib(ctx, sb->sysbase, -0x132); /* SetSignal() */
}
/* Allocate and initialize per-task state structure */
static struct socketbase *alloc_socketbase (TrapContext *ctx)
{
SB;
int i;
if ((sb = xcalloc (struct socketbase, 1)) != NULL) {
sb->ownertask = gettask(ctx);
sb->sysbase = trap_get_long(ctx, 4);
trap_call_add_dreg(ctx, 0, -1);
sb->signal = trap_call_lib(ctx, sb->sysbase, -0x14A); /* AllocSignal */
if (sb->signal == -1) {
write_log (_T("bsdsocket: ERROR: Couldn't allocate signal for task 0x%08x.\n"), sb->ownertask);
free (sb);
return NULL;
}
// trap_get_dreg(ctx, 0) = SCRATCHBUFSIZE;
// trap_get_dreg(ctx, 1) = 0;
sb->dtablesize = DEFAULT_DTABLE_SIZE;
/* @@@ check malloc() result */
sb->dtable = xmalloc(SOCKET, sb->dtablesize);
sb->ftable = xcalloc(int, sb->dtablesize);
for (i = sb->dtablesize; i--;)
sb->dtable[i] = INVALID_SOCKET;
sb->eintrsigs = 0x1000; /* SIGBREAKF_CTRL_C */
sb->logfacility = 1 << 3; /* LOG_USER */
sb->logmask = 0xff;
if (!host_sbinit(ctx, sb)) {
/* @@@ free everything */
}
locksigqueue();
if (socketbases)
sb->next = socketbases;
socketbases = sb;
unlocksigqueue();
return sb;
}
return NULL;
}
STATIC_INLINE struct socketbase *get_socketbase (TrapContext *ctx)
{
return (struct socketbase*)get_pointer (trap_get_areg(ctx, 6) + offsetof (struct UAEBSDBase, sb));
}
static void free_socketbase (TrapContext *ctx)
{
struct socketbase *sb, *nsb;
if ((sb = get_socketbase (ctx)) != NULL) {
trap_call_add_dreg(ctx, 0, sb->signal);
trap_call_lib(ctx, sb->sysbase, -0x150); /* FreeSignal */
if (sb->hostent) {
trap_call_add_areg(ctx, 1, sb->hostent);
trap_call_add_dreg(ctx, 0, sb->hostentsize);
trap_call_lib(ctx, sb->sysbase, -0xD2); /* FreeMem */
}
if (sb->protoent) {
trap_call_add_areg(ctx, 1, sb->protoent);
trap_call_add_dreg(ctx, 0, sb->protoentsize);
trap_call_lib(ctx, sb->sysbase, -0xD2); /* FreeMem */
}
if (sb->servent) {
trap_call_add_areg(ctx, 1, sb->servent);
trap_call_add_dreg(ctx, 0, sb->serventsize);
trap_call_lib(ctx, sb->sysbase, -0xD2); /* FreeMem */
}
host_sbcleanup (sb);
free (sb->dtable);
free (sb->ftable);
locksigqueue ();
if (sb == socketbases)
socketbases = sb->next;
else {
for (nsb = socketbases; nsb; nsb = nsb->next) {
if (sb == nsb->next) {
nsb->next = sb->next;
break;
}
}
}
#if 1
if (sb == sbsigqueue)
sbsigqueue = sb->next;
else {
for (nsb = sbsigqueue; nsb; nsb = nsb->next) {
if (sb == nsb->next) {
nsb->next = sb->next;
break;
}
}
}
#endif
unlocksigqueue ();
free (sb);
}
}
static uae_u32 REGPARAM2 bsdsocklib_Expunge (TrapContext *ctx)
{
BSDTRACE ((_T("Expunge() -> [ignored]\n")));
return 0;
}
static uae_u32 functable, datatable, inittable;
static uae_u32 REGPARAM2 bsdsocklib_Open (TrapContext *ctx)
{
uae_u32 result = 0;
int opencount;
SB;
BSDTRACE ((_T("OpenLibrary() -> ")));
if ((sb = alloc_socketbase(ctx)) != NULL) {
trap_put_word(ctx, SockLibBase + 32, opencount = trap_get_word(ctx, SockLibBase + 32) + 1);
trap_call_add_areg(ctx, 0, functable);
trap_call_add_areg(ctx, 1, datatable);
trap_call_add_areg(ctx, 2, 0);
trap_call_add_dreg(ctx, 0, sizeof (struct UAEBSDBase));
trap_call_add_dreg(ctx, 1, 0);
result = trap_call_lib(ctx, sb->sysbase, -0x54); /* MakeLibrary */
put_pointer(result + offsetof(struct UAEBSDBase, sb), sb);
BSDTRACE ((_T("%0x [%d]\n"), result, opencount));
} else
BSDTRACE ((_T("failed (out of memory)\n")));
return result;
}
static uae_u32 REGPARAM2 bsdsocklib_Close (TrapContext *ctx)
{
int opencount;
uae_u32 base = trap_get_areg(ctx, 6);
uae_u32 negsize = get_word (base + 16);
free_socketbase(ctx);
trap_put_word(ctx, SockLibBase + 32, opencount = trap_get_word(ctx, SockLibBase + 32) - 1);
trap_call_add_areg(ctx, 1, base - negsize);
trap_call_add_dreg(ctx, 0, negsize + trap_get_word(ctx, base + 18));
trap_call_lib(ctx, trap_get_long(ctx, 4), -0xD2); /* FreeMem */
BSDTRACE ((_T("CloseLibrary() -> [%d]\n"), opencount));
return 0;
}
/* socket(domain, type, protocol)(d0/d1/d2) */
static uae_u32 REGPARAM2 bsdsocklib_socket (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_socket(ctx, sb, trap_get_dreg(ctx, 0), trap_get_dreg(ctx, 1),
trap_get_dreg(ctx, 2));
}
/* bind(s, name, namelen)(d0/a0/d1) */
static uae_u32 REGPARAM2 bsdsocklib_bind (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_bind(ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0),
trap_get_dreg(ctx, 1));
}
/* listen(s, backlog)(d0/d1) */
static uae_u32 REGPARAM2 bsdsocklib_listen (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_listen(ctx, sb, trap_get_dreg(ctx, 0), trap_get_dreg(ctx, 1));
}
/* accept(s, addr, addrlen)(d0/a0/a1) */
static uae_u32 REGPARAM2 bsdsocklib_accept (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
host_accept(ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0), trap_get_areg(ctx, 1));
return sb->resultval;
}
/* connect(s, name, namelen)(d0/a0/d1) */
static uae_u32 REGPARAM2 bsdsocklib_connect (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
host_connect(ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0), trap_get_dreg(ctx, 1));
return sb->sb_errno ? -1 : 0;
}
/* sendto(s, msg, len, flags, to, tolen)(d0/a0/d1/d2/a1/d3) */
static uae_u32 REGPARAM2 bsdsocklib_sendto (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
host_sendto(ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0), NULL, trap_get_dreg(ctx, 1),
trap_get_dreg(ctx, 2), trap_get_areg(ctx, 1), trap_get_dreg(ctx, 3));
return sb->resultval;
}
/* send(s, msg, len, flags)(d0/a0/d1/d2) */
static uae_u32 REGPARAM2 bsdsocklib_send (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
host_sendto(ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0), NULL, trap_get_dreg(ctx, 1),
trap_get_dreg(ctx, 2), 0, 0);
return sb->resultval;
}
/* recvfrom(s, buf, len, flags, from, fromlen)(d0/a0/d1/d2/a1/a2) */
static uae_u32 REGPARAM2 bsdsocklib_recvfrom (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
host_recvfrom(ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0), NULL, trap_get_dreg(ctx, 1),
trap_get_dreg(ctx, 2), trap_get_areg(ctx, 1), trap_get_areg(ctx, 2));
return sb->resultval;
}
/* recv(s, buf, len, flags)(d0/a0/d1/d2) */
static uae_u32 REGPARAM2 bsdsocklib_recv (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
host_recvfrom(ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0), NULL, trap_get_dreg(ctx, 1),
trap_get_dreg(ctx, 2), 0, 0);
return sb->resultval;
}
/* shutdown(s, how)(d0/d1) */
static uae_u32 REGPARAM2 bsdsocklib_shutdown (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_shutdown (sb, trap_get_dreg(ctx, 0), trap_get_dreg(ctx, 1));
}
/* setsockopt(s, level, optname, optval, optlen)(d0/d1/d2/a0/d3) */
static uae_u32 REGPARAM2 bsdsocklib_setsockopt (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
host_setsockopt (sb, trap_get_dreg(ctx, 0), trap_get_dreg(ctx, 1), trap_get_dreg(ctx, 2),
trap_get_areg(ctx, 0), trap_get_dreg(ctx, 3));
return sb->resultval;
}
/* getsockopt(s, level, optname, optval, optlen)(d0/d1/d2/a0/a1) */
static uae_u32 REGPARAM2 bsdsocklib_getsockopt (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_getsockopt (ctx, sb, trap_get_dreg(ctx, 0), trap_get_dreg(ctx, 1), trap_get_dreg(ctx, 2),
trap_get_areg(ctx, 0), trap_get_areg(ctx, 1));
}
/* getsockname(s, hostname, namelen)(d0/a0/a1) */
static uae_u32 REGPARAM2 bsdsocklib_getsockname (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_getsockname (ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0), trap_get_areg(ctx, 1));
}
/* getpeername(s, hostname, namelen)(d0/a0/a1) */
static uae_u32 REGPARAM2 bsdsocklib_getpeername (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_getpeername (ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0), trap_get_areg(ctx, 1));
}
/* *------ generic system calls related to sockets */
/* IoctlSocket(d, request, argp)(d0/d1/a0) */
static uae_u32 REGPARAM2 bsdsocklib_IoctlSocket (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_IoctlSocket(ctx, sb, trap_get_dreg(ctx, 0), trap_get_dreg(ctx, 1), trap_get_areg(ctx, 0));
}
/* *------ AmiTCP/IP specific stuff */
/* CloseSocket(d)(d0) */
static uae_u32 REGPARAM2 bsdsocklib_CloseSocket (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_CloseSocket(ctx, sb, trap_get_dreg(ctx, 0));
}
/* WaitSelect(nfds, readfds, writefds, execptfds, timeout, maskp)(d0/a0/a1/a2/a3/d1) */
static uae_u32 REGPARAM2 bsdsocklib_WaitSelect (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
host_WaitSelect(ctx, sb, trap_get_dreg(ctx, 0), trap_get_areg(ctx, 0), trap_get_areg(ctx, 1),
trap_get_areg(ctx, 2), trap_get_areg(ctx, 3), trap_get_dreg(ctx, 1));
return sb->resultval;
}
/* SetSocketSignals(SIGINTR, SIGIO, SIGURG)(d0/d1/d2) */
static uae_u32 REGPARAM2 bsdsocklib_SetSocketSignals (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
BSDTRACE ((_T("SetSocketSignals(0x%08x,0x%08x,0x%08x) -> "), trap_get_dreg(ctx, 0), trap_get_dreg(ctx, 1), trap_get_dreg(ctx, 2)));
sb->eintrsigs = trap_get_dreg(ctx, 0);
sb->eventsigs = trap_get_dreg(ctx, 1);
return 0;
}
/* SetDTableSize(size)(d0) */
static uae_u32 bsdsocklib_SetDTableSize (SB, int newSize)
{
TrapContext *ctx = NULL;
int *newdtable;
int *newftable;
unsigned int *newmtable;
int i;
if (newSize < sb->dtablesize) {
/* I don't support lowering the size */
return 0;
}
newdtable = xcalloc (int, newSize);
newftable = xcalloc (int, newSize);
newmtable = xcalloc (unsigned int, newSize);
if (newdtable == NULL || newftable == NULL || newmtable == NULL) {
sb->resultval = -1;
bsdsocklib_seterrno(ctx, sb, ENOMEM);
xfree(newdtable);
xfree(newftable);
xfree(newmtable);
return -1;
}
memcpy (newdtable, sb->dtable, sb->dtablesize * sizeof(*sb->dtable));
memcpy (newftable, sb->ftable, sb->dtablesize * sizeof(*sb->ftable));
memcpy (newmtable, sb->mtable, sb->dtablesize * sizeof(*sb->mtable));
for (i = sb->dtablesize + 1; i < newSize; i++)
newdtable[i] = -1;
sb->dtablesize = newSize;
xfree(sb->dtable);
xfree(sb->ftable);
xfree(sb->mtable);
sb->dtable = (SOCKET*)newdtable;
sb->ftable = newftable;
sb->mtable = newmtable;
sb->resultval = 0;
return 0;
}
static int sockpoolindex (long id)
{
int i;
for (i = 0; i < SOCKPOOLSIZE; i++)
if (sockdata->sockpoolids[i] == id)
return i;
return -1;
}
/* ObtainSocket(id, domain, type, protocol)(d0/d1/d2/d3) */
static uae_u32 REGPARAM2 bsdsocklib_ObtainSocket (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
int sd;
int id;
SOCKET_TYPE s;
int i;
id = trap_get_dreg(ctx, 0);
BSDTRACE ((_T("ObtainSocket(%d,%d,%d,%d) -> "), id, trap_get_dreg(ctx, 1), trap_get_dreg(ctx, 2), trap_get_dreg(ctx, 3)));
i = sockpoolindex (id);
if (i == -1) {
BSDTRACE ((_T("[invalid key]\n")));
return -1;
}
s = sockdata->sockpoolsocks[i];
sd = getsd(ctx, sb, s);
BSDTRACE ((_T(" -> Socket=%d\n"), sd));
if (sd != -1) {
sb->ftable[sd - 1] = sockdata->sockpoolflags[i];
callfdcallback(ctx, sb, sd - 1, FDCB_ALLOC);
sockdata->sockpoolids[i] = UNIQUE_ID;
return sd - 1;
}
return -1;
}
/* ReleaseSocket(fd, id)(d0/d1) */
static uae_u32 REGPARAM2 bsdsocklib_ReleaseSocket (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
int sd;
int id;
SOCKET_TYPE s;
int i;
uae_u32 flags;
sd = trap_get_dreg(ctx, 0);
id = trap_get_dreg(ctx, 1);
sd++;
BSDTRACE ((_T("ReleaseSocket(%d,%d) -> "), sd, id));
s = getsock (ctx, sb, sd);
if (s != -1) {
flags = sb->ftable[sd - 1];
if (flags & REP_ALL) {
write_log (_T("bsdsocket: ERROR: ReleaseSocket() is not supported for sockets with async event notification enabled!\n"));
return -1;
}
releasesock(ctx, sb, sd);
if (id == UNIQUE_ID) {
for (;;) {
if (sockpoolindex (curruniqid) == -1)
break;
curruniqid += 129;
if ((unsigned long) (curruniqid + 1) < 65536)
curruniqid += 65537;
}
id = curruniqid;
} else if (id < 0 && id > 65535) {
if (sockpoolindex (id) != -1) {
BSDTRACE ((_T("[unique ID already exists]\n")));
return -1;
}
}
i = sockpoolindex (-1);
if (i == -1) {
BSDTRACE ((_T("-1\n")));
write_log (_T("bsdsocket: ERROR: Global socket pool overflow\n"));
return -1;
}
sockdata->sockpoolids[i] = id;
sockdata->sockpoolsocks[i] = s;
sockdata->sockpoolflags[i] = flags;
BSDTRACE ((_T("id %d s 0x%x\n"), id,s));
} else {
BSDTRACE ((_T("[invalid socket descriptor]\n")));
return -1;
}
return id;
}
/* ReleaseCopyOfSocket(fd, id)(d0/d1) */
static uae_u32 REGPARAM2 bsdsocklib_ReleaseCopyOfSocket (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
int sd;
int id;
SOCKET_TYPE s;
int i;
uae_u32 flags;
sd = trap_get_dreg(ctx, 0);
id = trap_get_dreg(ctx, 1);
sd++;
BSDTRACE ((_T("ReleaseSocket(%d,%d) -> "), sd, id));
s = getsock (ctx, sb, sd);
if (s != -1) {
flags = sb->ftable[sd - 1];
if (flags & REP_ALL) {
write_log (_T("bsdsocket: ERROR: ReleaseCopyOfSocket() is not supported for sockets with async event notification enabled!\n"));
return -1;
}
if (id == UNIQUE_ID) {
for (;;) {
if (sockpoolindex (curruniqid) == -1)
break;
curruniqid += 129;
if ((unsigned long) (curruniqid + 1) < 65536)
curruniqid += 65537;
}
id = curruniqid;
} else if (id < 0 && id > 65535) {
if (sockpoolindex (id) != -1) {
BSDTRACE ((_T("[unique ID already exists]\n")));
return -1;
}
}
i = sockpoolindex (-1);
if (i == -1) {
BSDTRACE ((_T("-1\n")));
write_log (_T("bsdsocket: ERROR: Global socket pool overflow\n"));
return -1;
}
sockdata->sockpoolids[i] = id;
sockdata->sockpoolsocks[i] = s;
sockdata->sockpoolflags[i] = flags;
BSDTRACE ((_T("id %d s 0x%x\n"), id,s));
} else {
BSDTRACE ((_T("[invalid socket descriptor]\n")));
return -1;
}
return id;
}
/* Errno()() */
static uae_u32 REGPARAM2 bsdsocklib_Errno (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
BSDTRACE ((_T("Errno() -> %d\n"), sb->sb_errno));
return sb->sb_errno;
}
/* SetErrnoPtr(errno_p, size)(a0/d0) */
static uae_u32 REGPARAM2 bsdsocklib_SetErrnoPtr (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
uae_u32 errnoptr = trap_get_areg(ctx, 0);
uae_u32 size = trap_get_dreg(ctx, 0);
BSDTRACE ((_T("SetErrnoPtr(0x%08x,%d) -> "), errnoptr, size));
if (size == 1 || size == 2 || size == 4) {
sb->errnoptr = errnoptr;
sb->errnosize = size;
BSDTRACE ((_T("OK\n")));
return 0;
}
bsdsocklib_seterrno(ctx, sb, 22); /* EINVAL */
return -1;
}
/* *------ inet library calls related to inet address manipulation */
/* Inet_NtoA(in)(d0) */
static uae_u32 REGPARAM2 bsdsocklib_Inet_NtoA (TrapContext *ctx)
{
struct socketbase *sb = get_socketbase (ctx);
return host_Inet_NtoA(ctx, sb, trap_get_dreg(ctx, 0));
}
/* inet_addr(cp)(a0) */
static uae_u32 REGPARAM2 bsdsocklib_inet_addr (TrapContext *ctx)
{
return host_inet_addr(ctx, trap_get_areg(ctx, 0));
}
/* Inet_LnaOf(in)(d0) */
static uae_u32 REGPARAM2 bsdsocklib_Inet_LnaOf (TrapContext *ctx)
{
write_log (_T("bsdsocket: UNSUPPORTED: Inet_LnaOf()\n"));
return 0;
}
/* Inet_NetOf(in)(d0) */
static uae_u32 REGPARAM2 bsdsocklib_Inet_NetOf (TrapContext *ctx)
{
write_log (_T("bsdsocket: UNSUPPORTED: Inet_NetOf()\n"));
return 0;
}
/* Inet_MakeAddr(net, host)(d0/d1) */
static uae_u32 REGPARAM2 bsdsocklib_Inet_MakeAddr (TrapContext *ctx)
{
write_log (_T("bsdsocket: UNSUPPORTED: Inet_MakeAddr()\n"));
return 0;
}
/* inet_network(cp)(a0) */
static uae_u32 REGPARAM2 bsdsocklib_inet_network (TrapContext *ctx)
{
return host_inet_addr(ctx, trap_get_areg(ctx, 0));
}
/* *------ gethostbyname etc */
/* gethostbyname(name)(a0) */