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quickjs-sockets.c
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quickjs-sockets.c
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#include "defines.h"
#include "quickjs-sockets.h"
#include "quickjs-syscallerror.h"
#include "utils.h"
#include "buffer-utils.h"
#include "debug.h"
#if defined(_WIN32) && !defined(__MSYS__) && !defined(__CYGWIN__)
int socketpair(int, int, int, SOCKET[2]);
#define socket_handle(sock) ((SOCKET)_get_osfhandle(socket_fd(sock)))
#else
typedef int SOCKET;
#define socket_handle(sock) socket_fd(sock)
#define closesocket(sock) close(sock)
#include <sys/select.h>
/*#include <sys/syscall.h>*/
#include <netinet/in.h>
#include <arpa/inet.h>
#include <poll.h>
#include <unistd.h>
#endif
#include <fcntl.h>
#include <assert.h>
#include <errno.h>
/**
* \addtogroup quickjs-sockets
* @{
*/
static int js_sockets_init(JSContext*, JSModuleDef*);
static JSValue js_socket_method(JSContext*, JSValueConst, int, JSValueConst[], int);
#define JS_SOCKETCALL(syscall_no, sock, result) JS_SOCKETCALL_RETURN(syscall_no, sock, result, JS_NewInt32(ctx, (sock)->ret), js_socket_error(ctx, *(sock)))
#define JS_SOCKETCALL_FAIL(syscall_no, sock, on_fail) JS_SOCKETCALL_RETURN(syscall_no, sock, result, JS_NewInt32(ctx, (sock)->ret), on_fail)
#define JS_SOCKETCALL_RETURN(syscall_no, sock, result, on_success, on_fail) \
do { \
syscall_return((sock), (syscall_no), (result)); \
ret = (sock)->ret < 0 ? (on_fail) : (on_success); \
} while(0)
VISIBLE JSClassID js_sockaddr_class_id = 0, js_socket_class_id = 0, js_asyncsocket_class_id = 0;
VISIBLE JSValue sockaddr_proto = {{0}, JS_TAG_UNDEFINED}, sockaddr_ctor = {{0}, JS_TAG_UNDEFINED}, socket_proto = {{0}, JS_TAG_UNDEFINED},
asyncsocket_proto = {{0}, JS_TAG_UNDEFINED}, socket_ctor = {{0}, JS_TAG_UNDEFINED}, asyncsocket_ctor = {{0}, JS_TAG_UNDEFINED};
/*extern const uint32_t qjsm_fd_set_size;
extern const uint8_t qjsm_fd_set[1030];
extern const uint32_t qjsm_socklen_t_size;
extern const uint8_t qjsm_socklen_t[1030];*/
SockAddr*
js_sockaddr_data(JSValueConst value) {
return JS_GetOpaque(value, js_sockaddr_class_id);
}
SockAddr*
js_sockaddr_data2(JSContext* ctx, JSValueConst value) {
return JS_GetOpaque2(ctx, value, js_sockaddr_class_id);
}
static const char* syscall_names[] = {
"socket",
"getsockname",
"getpeername",
#ifdef _WIN32
"ioctlsocket",
#else
"fcntl",
#endif
"bind",
"accept",
"connect",
"listen",
"recv",
"recvfrom",
"send",
"sendto",
"shutdown",
"close",
"getsockopt",
"setsockopt",
};
static const char*
syscall_name(int syscall_number) {
assert(syscall_number >= 0);
assert(syscall_number < (int)countof(syscall_names));
return syscall_names[syscall_number];
}
static void
syscall_return(Socket* sock, int sysno, int retval) {
(sock)->sysno = sysno;
(sock)->ret = retval;
(sock)->error = retval < 0 ?
#if defined(_WIN32) && !defined(__MSYS__) && !defined(__CYGWIN__)
WSAGetLastError() - WSABASEERR
#else
errno
#endif
: 0;
#ifdef DEBUG_OUTPUT
printf("syscall %s returned %d (%d)\n", (sock)->sysno ? syscall_name((sock)->sysno) : "0", (sock)->ret, (sock)->error);
#endif
}
static int
js_socktype(JSContext* ctx, SockType* st, int argc, JSValueConst argv[]) {
int index = 0;
st->family = AF_UNSPEC;
st->type = SOCK_STREAM;
st->protocol = IPPROTO_IP;
if(argc > index) {
if(!JS_IsNumber(argv[index]) || JS_ToInt32(ctx, &st->family, argv[index]))
return index;
if(argc > ++index) {
if(!JS_IsNumber(argv[index]) || JS_ToInt32(ctx, &st->type, argv[index]))
return index;
if(argc > ++index) {
if(!JS_IsNumber(argv[index]) || JS_ToInt32(ctx, &st->protocol, argv[index]))
return index;
++index;
}
}
}
return index;
}
static void
js_sockaddr_free_buffer(JSRuntime* rt, void* opaque, void* ptr) {
JS_FreeValueRT(rt, JS_MKPTR(JS_TAG_OBJECT, opaque));
}
static JSValue
js_sockaddr_wrap(JSContext* ctx, SockAddr* a) {
JSValue obj;
if(js_sockaddr_class_id == 0 && js_socket_class_id == 0 && js_asyncsocket_class_id == 0)
js_sockets_init(ctx, 0);
obj = JS_NewObjectProtoClass(ctx, sockaddr_proto, js_sockaddr_class_id);
JS_SetOpaque(obj, a);
return obj;
}
static JSValue
js_sockaddr_new(JSContext* ctx, int family) {
SockAddr* a;
if(!(a = js_mallocz(ctx, sizeof(SockAddr))))
return JS_EXCEPTION;
a->family = family;
return js_sockaddr_wrap(ctx, a);
}
static BOOL
js_sockaddr_init(JSContext* ctx, int argc, JSValueConst argv[], SockAddr* a) {
if(argc == 1 && js_is_arraybuffer(ctx, argv[0])) {
uint8_t* data;
size_t len;
if((data = JS_GetArrayBuffer(ctx, &len, argv[0])))
if(len > 0)
memcpy(a, data, MIN_NUM(len, sizeof(SockAddr)));
return TRUE;
}
if(argc >= 1 && JS_IsNumber(argv[0])) {
int32_t family;
JS_ToInt32(ctx, &family, argv[0]);
a->family = family;
argc--;
argv++;
}
if(argc >= 1) {
const char* str;
if((str = JS_ToCString(ctx, argv[0]))) {
if(a->family == 0) {
if(inet_pton(AF_INET, str, &a->ip4.sin_addr) > 0)
a->family = AF_INET;
else if(inet_pton(AF_INET6, str, &a->ip6.sin6_addr) > 0)
a->family = AF_INET6;
#ifdef HAVE_AF_UNIX
} else if(a->family == AF_UNIX) {
strncpy(a->un.sun_path, str, sizeof(a->un.sun_path));
#endif
} else if(!inet_pton(a->family, str, sockaddr_addr(a)) && a->family == AF_INET6) {
struct in_addr in;
if(inet_pton(AF_INET, str, &in)) {
struct in6_addr* in6p = &a->ip6.sin6_addr;
if(in.s_addr == 0) {
/* IN6ADDR_ANY_INIT */
memset(in6p, 0, sizeof(struct in6_addr));
} else if(in.s_addr == htonl(INADDR_LOOPBACK)) {
/* IN6ADDR_LOOPBACK_INIT */
memset(in6p, 0, sizeof(struct in6_addr));
((char*)in6p)[sizeof(struct in6_addr) - 1] = 1;
} else {
uint32_t* addr32 = (uint32_t*)in6p;
addr32[0] = 0;
addr32[1] = 0;
addr32[2] = htonl(0xffff);
addr32[3] = in.s_addr;
}
}
}
JS_FreeCString(ctx, str);
}
argc--;
argv++;
}
if(argc >= 1) {
uint32_t port;
JS_ToUint32(ctx, &port, argv[0]);
if(a->family == AF_INET)
a->ip4.sin_port = htons(port);
else if(a->family == AF_INET6)
a->ip6.sin6_port = htons(port);
}
return TRUE;
}
static JSValue
js_sockaddr_constructor(JSContext* ctx, JSValueConst new_target, int argc, JSValueConst argv[]) {
JSValue proto, obj = JS_UNDEFINED;
SockAddr *a, *other;
if(js_sockaddr_class_id == 0 && js_socket_class_id == 0 && js_asyncsocket_class_id == 0)
js_sockets_init(ctx, 0);
if(!(a = js_mallocz(ctx, sizeof(SockAddr))))
return JS_EXCEPTION;
proto = JS_GetPropertyStr(ctx, new_target, "prototype");
if(JS_IsException(proto))
goto fail;
obj = JS_NewObjectProtoClass(ctx, proto, js_sockaddr_class_id);
JS_FreeValue(ctx, proto);
if(argc >= 1 && (other = js_sockaddr_data(argv[0]))) {
*a = *other;
} else if(!js_sockaddr_init(ctx, argc, argv, a)) {
JS_ThrowInternalError(ctx, "SockAddr init() failed");
goto fail;
}
JS_SetOpaque(obj, a);
return obj;
fail:
js_free(ctx, a);
JS_FreeValue(ctx, obj);
return JS_EXCEPTION;
}
enum {
SOCKADDR_CLONE,
SOCKADDR_TOSTRING,
};
static JSValue
js_sockaddr_method(JSContext* ctx, JSValueConst this_val, int argc, JSValueConst argv[], int magic) {
JSValue ret = JS_UNDEFINED;
SockAddr* a;
if(!(a = js_sockaddr_data2(ctx, this_val)))
return JS_EXCEPTION;
switch(magic) {
case SOCKADDR_CLONE: {
SockAddr* other;
if((other = js_malloc(ctx, sizeof(SockAddr)))) {
memcpy(other, a, sizeof(SockAddr));
ret = js_sockaddr_wrap(ctx, other);
}
break;
}
case SOCKADDR_TOSTRING: {
#ifdef HAVE_AF_UNIX
if(a->family == AF_UNIX) {
ret = JS_NewString(ctx, a->un.sun_path);
} else
#endif
{
char port[FMT_ULONG];
DynBuf dbuf;
js_dbuf_init(ctx, &dbuf);
dbuf_realloc(&dbuf, INET6_ADDRSTRLEN);
inet_ntop(a->family, sockaddr_addr(a), (char*)dbuf.buf, INET6_ADDRSTRLEN);
dbuf.size = strlen((const char*)dbuf.buf);
dbuf_putc(&dbuf, ':');
dbuf_put(&dbuf, (const uint8_t*)port, fmt_ulong(port, sockaddr_port(a)));
ret = JS_NewStringLen(ctx, (const char*)dbuf.buf, dbuf.size);
dbuf_free(&dbuf);
}
break;
}
}
return ret;
}
enum {
SOCKADDR_FAMILY,
SOCKADDR_ADDR,
SOCKADDR_PORT,
SOCKADDR_PATH,
SOCKADDR_BYTELENGTH,
SOCKADDR_BUFFER,
};
static JSValue
js_sockaddr_get(JSContext* ctx, JSValueConst this_val, int magic) {
JSValue ret = JS_UNDEFINED;
SockAddr* a;
if(!(a = js_sockaddr_data2(ctx, this_val)))
return JS_EXCEPTION;
switch(magic) {
case SOCKADDR_FAMILY: {
ret = JS_NewUint32(ctx, a->family);
break;
}
case SOCKADDR_ADDR: {
if(a->family == AF_INET || a->family == AF_INET6) {
char buf[INET6_ADDRSTRLEN] = {0};
inet_ntop(a->family, sockaddr_addr(a), buf, sizeof(buf));
ret = JS_NewString(ctx, buf);
}
break;
}
case SOCKADDR_PORT: {
if(a->family == AF_INET || a->family == AF_INET6) {
ret = JS_NewUint32(ctx, sockaddr_port(a));
}
break;
}
#ifdef HAVE_AF_UNIX
case SOCKADDR_PATH: {
if(a->family == AF_UNIX)
ret = JS_NewString(ctx, a->un.sun_path);
break;
}
#endif
case SOCKADDR_BYTELENGTH: {
size_t len;
if((len = sockaddr_size(a)))
ret = JS_NewUint32(ctx, len);
break;
}
case SOCKADDR_BUFFER: {
JSObject* obj = JS_VALUE_GET_OBJ(JS_DupValue(ctx, this_val));
ret = JS_NewArrayBuffer(ctx, (uint8_t*)a, sizeof(SockAddr), js_sockaddr_free_buffer, obj, FALSE);
break;
}
}
return ret;
}
static JSValue
js_sockaddr_set(JSContext* ctx, JSValueConst this_val, JSValueConst value, int magic) {
SockAddr* a;
JSValue ret = JS_UNDEFINED;
if(!(a = js_sockaddr_data2(ctx, this_val)))
return JS_EXCEPTION;
switch(magic) {
case SOCKADDR_FAMILY: {
int32_t newf;
JS_ToInt32(ctx, &newf, value);
if(a->family != newf) {
SockAddr old = *a;
uint32_t* inaddr;
memset(a, 0, sizeof(SockAddr));
a->family = newf;
if((inaddr = sockaddr_addr(a))) {
if(old.family == AF_INET6 && newf == AF_INET) {
uint32_t* addr6 = sockaddr_addr(&old);
if((IN6_IS_ADDR_V4MAPPED((struct in6_addr*)addr6) || IN6_IS_ADDR_V4COMPAT((struct in6_addr*)addr6)))
*inaddr = addr6[3];
else if(IN6_IS_ADDR_LOOPBACK((struct in6_addr*)addr6))
*inaddr = htonl(INADDR_LOOPBACK);
else if(IN6_IS_ADDR_UNSPECIFIED((struct in6_addr*)addr6))
*inaddr = 0;
} else if(old.family == AF_INET && newf == AF_INET6) {
inaddr[0] = 0;
inaddr[1] = 0;
inaddr[2] = htonl(0xffff);
inaddr[3] = *(uint32_t*)sockaddr_addr(&old);
}
}
int port = sockaddr_port(&old);
if(port != -1)
sockaddr_setport(a, port);
}
break;
}
case SOCKADDR_ADDR: {
if(a->family == AF_INET || a->family == AF_INET6) {
const char* str = JS_ToCString(ctx, value);
inet_pton(a->family, str, sockaddr_addr(a));
JS_FreeCString(ctx, str);
}
break;
}
case SOCKADDR_PORT: {
if(a->family == AF_INET || a->family == AF_INET6) {
uint32_t port;
JS_ToUint32(ctx, &port, value);
sockaddr_setport(a, port);
}
break;
}
#ifdef HAVE_AF_UNIX
case SOCKADDR_PATH: {
if(a->family == AF_UNIX) {
const char* str;
if((str = JS_ToCString(ctx, value))) {
strncpy(a->un.sun_path, str, sizeof(a->un.sun_path));
JS_FreeCString(ctx, str);
}
}
break;
}
#endif
}
return ret;
}
static JSValue
js_sockaddr_inspect(JSContext* ctx, JSValueConst this_val, int argc, JSValueConst argv[]) {
SockAddr* a;
if(!(a = js_sockaddr_data2(ctx, this_val)))
return JS_EXCEPTION;
JSValue obj = JS_NewObjectProto(ctx, sockaddr_proto); // JS_NewObjectClass(ctx, js_sockaddr_class_id);
if(a->family)
JS_DefinePropertyValueStr(ctx, obj, "family", JS_NewUint32(ctx, a->family), JS_PROP_ENUMERABLE);
#ifdef HAVE_AF_UNIX
if(a->family == AF_UNIX) {
if(a->un.sun_path[0])
JS_DefinePropertyValueStr(ctx, obj, "path", JS_NewString(ctx, a->un.sun_path), JS_PROP_ENUMERABLE);
} else
#endif
{
uint16_t port;
char buf[INET6_ADDRSTRLEN] = {0};
inet_ntop(a->family, sockaddr_addr(a), buf, sizeof(buf));
if(buf[0])
JS_DefinePropertyValueStr(ctx, obj, "addr", JS_NewString(ctx, buf), JS_PROP_ENUMERABLE);
if((port = sockaddr_port(a)))
JS_DefinePropertyValueStr(ctx, obj, "port", JS_NewUint32(ctx, port), JS_PROP_ENUMERABLE);
}
JSAtom to_string_tag = js_symbol_static_atom(ctx, "toStringTag");
JS_DefinePropertyValue(ctx, obj, to_string_tag, JS_GetProperty(ctx, this_val, to_string_tag), JS_PROP_CONFIGURABLE);
JS_FreeAtom(ctx, to_string_tag);
return obj;
}
static void
js_sockaddr_finalizer(JSRuntime* rt, JSValue val) {
SockAddr* a;
if((a = js_sockaddr_data(val))) {
js_free_rt(rt, a);
}
// JS_FreeValueRT(rt, val);
}
static const JSCFunctionListEntry js_sockaddr_proto_funcs[] = {
JS_CGETSET_MAGIC_FLAGS_DEF("family", js_sockaddr_get, js_sockaddr_set, SOCKADDR_FAMILY, JS_PROP_ENUMERABLE),
JS_CGETSET_MAGIC_FLAGS_DEF("addr", js_sockaddr_get, js_sockaddr_set, SOCKADDR_ADDR, JS_PROP_WRITABLE | JS_PROP_ENUMERABLE),
JS_CGETSET_MAGIC_FLAGS_DEF("port", js_sockaddr_get, js_sockaddr_set, SOCKADDR_PORT, JS_PROP_WRITABLE | JS_PROP_ENUMERABLE),
JS_CGETSET_MAGIC_DEF("path", js_sockaddr_get, js_sockaddr_set, SOCKADDR_PATH),
JS_CGETSET_MAGIC_DEF("buffer", js_sockaddr_get, 0, SOCKADDR_BUFFER),
JS_CGETSET_MAGIC_DEF("byteLength", js_sockaddr_get, 0, SOCKADDR_BYTELENGTH),
JS_CFUNC_MAGIC_DEF("clone", 0, js_sockaddr_method, SOCKADDR_CLONE),
JS_CFUNC_MAGIC_DEF("toString", 0, js_sockaddr_method, SOCKADDR_TOSTRING),
JS_PROP_STRING_DEF("[Symbol.toStringTag]", "SockAddr", 0),
};
static JSClassDef js_sockaddr_class = {
.class_name = "SockAddr",
.finalizer = js_sockaddr_finalizer,
};
static BOOL
timeval_read(JSContext* ctx, JSValueConst arg, struct timeval* tv) {
if(JS_IsNumber(arg)) {
double msecs = 0;
JS_ToFloat64(ctx, &msecs, arg);
tv->tv_sec = msecs / 1000;
msecs -= tv->tv_sec * 1000;
tv->tv_usec = msecs * 1000;
return TRUE;
}
if(js_is_array(ctx, arg) && js_array_length(ctx, arg) >= 2) {
int64_t sec = 0, usec = 0;
JSValue member = JS_GetPropertyUint32(ctx, arg, 0);
JS_ToInt64(ctx, &sec, member);
JS_FreeValue(ctx, member);
member = JS_GetPropertyUint32(ctx, arg, 1);
JS_ToInt64(ctx, &usec, member);
JS_FreeValue(ctx, member);
tv->tv_sec = sec;
tv->tv_usec = usec;
return TRUE;
}
if(js_is_arraybuffer(ctx, arg)) {
uint8_t* data;
size_t len;
if((data = JS_GetArrayBuffer(ctx, &len, arg))) {
if(len >= sizeof(struct timeval)) {
memcpy(tv, data, sizeof(struct timeval));
return TRUE;
}
}
}
return FALSE;
}
static BOOL
timeval_write(JSContext* ctx, const struct timeval* tv, JSValueConst arg) {
if(JS_IsNumber(arg)) {
return FALSE;
}
if(js_is_array(ctx, arg)) {
js_array_clear(ctx, arg);
JS_SetPropertyUint32(ctx, arg, 0, JS_NewUint32(ctx, tv->tv_sec));
JS_SetPropertyUint32(ctx, arg, 1, JS_NewUint32(ctx, tv->tv_usec));
return TRUE;
}
if(js_is_arraybuffer(ctx, arg)) {
uint8_t* data;
size_t len;
if((data = JS_GetArrayBuffer(ctx, &len, arg))) {
if(len >= sizeof(struct timeval)) {
memcpy(data, tv, sizeof(struct timeval));
return TRUE;
}
}
}
return FALSE;
}
static BOOL
fdset_read(JSContext* ctx, JSValueConst arg, fd_set* set) {
if(js_is_array(ctx, arg)) {
size_t i, len = js_array_length(ctx, arg);
for(i = 0; i < len; i++) {
uint32_t fd;
JSValue member = JS_GetPropertyUint32(ctx, arg, i);
if(!JS_ToUint32(ctx, &fd, member))
FD_SET(fd, set);
JS_FreeValue(ctx, member);
}
return TRUE;
}
if(js_is_arraybuffer(ctx, arg)) {
uint8_t* data;
size_t len;
if((data = JS_GetArrayBuffer(ctx, &len, arg))) {
memcpy(set, data, MIN_NUM(len, sizeof(fd_set)));
return TRUE;
}
}
return FALSE;
}
static BOOL
fdset_write(JSContext* ctx, const fd_set* set, JSValueConst arg) {
if(js_is_array(ctx, arg)) {
int fd, i = 0;
js_array_clear(ctx, arg);
for(fd = 0; fd < FD_SETSIZE; fd++)
if(FD_ISSET(fd, set))
JS_SetPropertyUint32(ctx, arg, i++, JS_NewUint32(ctx, fd));
return TRUE;
}
if(js_is_arraybuffer(ctx, arg)) {
uint8_t* data;
size_t len;
if((data = JS_GetArrayBuffer(ctx, &len, arg))) {
memcpy(data, set, MIN_NUM(len, sizeof(fd_set)));
return TRUE;
}
}
return FALSE;
}
static JSValue
fdset_toarray(JSContext* ctx, const fd_set* set) {
uint32_t i = 0;
int fd;
JSValue ret = JS_NewArray(ctx);
for(fd = 0; fd < FD_SETSIZE; fd++)
if(FD_ISSET(fd, set))
JS_SetPropertyUint32(ctx, ret, i++, JS_NewInt64(ctx, fd));
return ret;
}
#ifndef _WIN32
static BOOL
pollfd_read(JSContext* ctx, JSValueConst arg, struct pollfd* pfd) {
if(js_is_array(ctx, arg) && js_array_length(ctx, arg) >= 2) {
pfd->fd = js_get_propertyint_int32(ctx, arg, 0);
pfd->events = js_get_propertyint_int32(ctx, arg, 1);
pfd->revents = js_get_propertyint_int32(ctx, arg, 2);
return TRUE;
}
if(JS_IsObject(arg) && !JS_IsNull(arg)) {
pfd->fd = js_get_propertystr_int32(ctx, arg, "fd");
pfd->events = js_get_propertystr_int32(ctx, arg, "events");
pfd->revents = js_get_propertystr_int32(ctx, arg, "revents");
return TRUE;
}
if(js_is_arraybuffer(ctx, arg)) {
uint8_t* data;
size_t len;
if((data = JS_GetArrayBuffer(ctx, &len, arg))) {
if(len >= sizeof(struct pollfd)) {
memcpy(pfd, data, MIN_NUM(len, sizeof(struct pollfd)));
return TRUE;
}
}
}
return FALSE;
}
static BOOL
pollfd_write(JSContext* ctx, const struct pollfd* pfd, JSValueConst arg) {
if(js_is_array(ctx, arg)) {
js_array_clear(ctx, arg);
JS_SetPropertyUint32(ctx, arg, 0, JS_NewInt32(ctx, pfd->fd));
JS_SetPropertyUint32(ctx, arg, 1, JS_NewInt32(ctx, pfd->events));
JS_SetPropertyUint32(ctx, arg, 2, JS_NewInt32(ctx, pfd->revents));
return TRUE;
}
if(JS_IsObject(arg) && !JS_IsNull(arg)) {
JS_SetPropertyStr(ctx, arg, "fd", JS_NewInt32(ctx, pfd->fd));
JS_SetPropertyStr(ctx, arg, "events", JS_NewInt32(ctx, pfd->events));
JS_SetPropertyStr(ctx, arg, "revents", JS_NewInt32(ctx, pfd->revents));
return TRUE;
}
if(js_is_arraybuffer(ctx, arg)) {
uint8_t* data;
size_t len;
if((data = JS_GetArrayBuffer(ctx, &len, arg))) {
if(len >= sizeof(struct pollfd)) {
memcpy(data, pfd, MIN_NUM(len, sizeof(struct pollfd)));
return TRUE;
}
}
}
return FALSE;
}
#endif
void*
optval_buf(JSContext* ctx, JSValueConst arg, int32_t** tmp_ptr, socklen_t* lenp) {
uint32_t len;
uint8_t* buf;
if(JS_IsArray(ctx, arg)) {
int i, n = MAX_NUM(1, MIN_NUM(js_array_length(ctx, arg), 1));
len = n * sizeof(int32_t);
*tmp_ptr = (int32_t*)(buf = js_mallocz(ctx, len));
for(i = 0; i < n; i++) {
JSValue el = JS_GetPropertyUint32(ctx, arg, i);
JS_ToInt32(ctx, &(*tmp_ptr)[i], el);
JS_FreeValue(ctx, el);
}
} else {
InputBuffer optval = js_input_buffer(ctx, arg);
buf = optval.data;
len = optval.size;
}
if(lenp)
*lenp = len;
return buf;
}
static JSValue
js_socketpair(JSContext* ctx, JSValueConst this_val, int argc, JSValueConst argv[]) {
SockType st = {AF_UNSPEC, SOCK_STREAM, IPPROTO_IP};
int result;
SOCKET s[2];
switch(js_socktype(ctx, &st, argc, argv)) {
case 0: return JS_ThrowTypeError(ctx, "argument 1 must be address family");
case 1: return JS_ThrowTypeError(ctx, "argument 2 must be socket type");
/*case 2: return JS_ThrowTypeError(ctx, "argument 3 must be protocol");*/
default: break;
}
if(argc < 4 && !JS_IsArray(ctx, argv[3]))
return JS_ThrowTypeError(ctx, "argument 4 must be array");
if((result = socketpair(st.family, st.type, st.protocol, s)) != -1) {
JS_SetPropertyUint32(ctx, argv[3], 0, JS_NewInt64(ctx, s[0]));
JS_SetPropertyUint32(ctx, argv[3], 1, JS_NewInt64(ctx, s[1]));
}
return JS_NewInt64(ctx, result);
}
static JSValue
js_select(JSContext* ctx, JSValueConst this_val, int argc, JSValueConst argv[]) {
uint64_t n;
fd_set rfds, wfds, efds, *rset = 0, *wset = 0, *eset = 0;
int ret;
struct timeval tv = {0, 0}, *timeout = 0;
JS_ToIndex(ctx, &n, argv[0]);
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&efds);
if(argc >= 2)
if(fdset_read(ctx, argv[1], &rfds))
rset = &rfds;
if(argc >= 3)
if(fdset_read(ctx, argv[2], &wfds))
wset = &wfds;
if(argc >= 4)
if(fdset_read(ctx, argv[3], &efds))
eset = &efds;
if(argc >= 5)
if(timeval_read(ctx, argv[4], &tv))
timeout = &tv;
ret = select(n, rset, wset, eset, timeout);
// if(ret == -1) return js_syscallerror_new(ctx, "select", errno);
if(rset)
fdset_write(ctx, rset, argv[1]);
if(wset)
fdset_write(ctx, wset, argv[2]);
if(eset)
fdset_write(ctx, eset, argv[3]);
if(timeout)
timeval_write(ctx, timeout, argv[4]);
return JS_NewInt64(ctx, ret);
}
#ifndef _WIN32
static JSValue
js_poll(JSContext* ctx, JSValueConst this_val, int argc, JSValueConst argv[]) {
JSValue ret = JS_UNDEFINED;
int result;
uint32_t nfds = 0;
int32_t timeout = -1;
struct pollfd* pfds;
BOOL is_array = js_is_array(ctx, argv[0]), is_arraybuffer = js_is_arraybuffer(ctx, argv[0]);
if(argc >= 2 && JS_IsNumber(argv[1]))
JS_ToUint32(ctx, &nfds, argv[1]);
if(argc >= 3 && JS_IsNumber(argv[2]))
JS_ToInt32(ctx, &timeout, argv[2]);
if(nfds == 0) {
if(is_array)
nfds = js_array_length(ctx, argv[0]);
else if(is_arraybuffer)
nfds = js_arraybuffer_bytelength(ctx, argv[0]) / sizeof(struct pollfd);
}
assert(nfds);
pfds = calloc(sizeof(struct pollfd), nfds);
if(is_array) {
uint32_t i;
for(i = 0; i < nfds; i++) {
JSValue member = JS_GetPropertyUint32(ctx, argv[0], i);
if(!pollfd_read(ctx, member, &pfds[i])) {
JS_FreeValue(ctx, member);
ret = JS_ThrowInternalError(ctx, "pfds[%i] not valid", i);
goto end;
}
JS_FreeValue(ctx, member);
}
} else if(is_arraybuffer) {
uint8_t* data;
size_t len;
if((data = JS_GetArrayBuffer(ctx, &len, argv[0]))) {
if(len > 0 && (len % sizeof(struct pollfd)) == 0) {
memcpy(pfds, data, MIN_NUM(len, sizeof(struct pollfd) * nfds));
} else {
ret = JS_ThrowInternalError(ctx, "pfds[] length = %zu", len);
goto end;
}
}
}
result = poll(pfds, nfds, timeout);
if(is_array) {
uint32_t i;
for(i = 0; i < nfds; i++) {
JSValue member = JS_GetPropertyUint32(ctx, argv[0], i);
if(!pollfd_write(ctx, &pfds[i], member)) {
JS_FreeValue(ctx, member);
ret = JS_ThrowInternalError(ctx, "writing pfds[%i]", i);
goto end;
}
JS_FreeValue(ctx, member);
}
} else if(is_arraybuffer) {
uint8_t* data;
size_t len;
if((data = JS_GetArrayBuffer(ctx, &len, argv[0]))) {
if(len > 0 && (len % sizeof(struct pollfd)) == 0) {
memcpy(data, pfds, MIN_NUM(len, sizeof(struct pollfd) * nfds));
} else {
ret = JS_ThrowInternalError(ctx, "pfds[] length = %zu", len);
goto end;
}
}
}
ret = JS_NewInt32(ctx, result);
end:
free(pfds);
return ret;
}
#endif
static BOOL
socket_nonblocking(Socket* s, BOOL nonblock) {
#ifdef _WIN32
ULONG mode = nonblock;
syscall_return(s, SYSCALL_FCNTL, ioctlsocket(socket_handle(*s), FIONBIO, &mode));
#else
int oldflags, newflags;
oldflags = fcntl(s->fd, F_GETFL);
newflags = nonblock ? oldflags | O_NONBLOCK : oldflags & (~O_NONBLOCK);
if(oldflags != newflags)
syscall_return(s, SYSCALL_FCNTL, fcntl(s->fd, F_SETFL, newflags));
#endif
return s->ret == 0;
}
/*static BOOL
socket_is_nonblocking(Socket sock) {
int fd = socket_fd(sock);
#ifdef _WIN32
return FALSE;
#else
int flags = fcntl(fd, F_GETFL);
return flags >= 0 && (flags & O_NONBLOCK);
#endif
}*/
static const char*
socket_method(int magic) {
static const char* const methods[] = {
"ndelay",
"bind",
"accept",
"connect",
"listen",
0,
0,
0,
"recv",
"send",
"recvfrom",
"sendto",
"getsockopt",
"setsockopt",
"shutdown",
"close",
};
return methods[magic & 0x0f];
}
Socket
js_socket_data(JSValueConst value) {
JSClassID id = JS_GetClassID(value);
Socket sock = SOCKET_INIT();
if((id = JS_GetClassID(value)) > 0) {