/* this should be less naive */
value arc_pathjoin2(arc *c, value p1, value p2)
{
TYPECHECK(p1, T_STRING);
TYPECHECK(p2, T_STRING);
p1 = arc_strcatc(c, p1, DIR_SEP);
return(arc_strcat(c, p1, p2));
}
SExpr* SPrimScope::tryTypeCheck() {
// for inlined prims, try to see if primitive will always fail
if (!InlinePrimitives) return NULL;
bool fail = false;
switch (pd->type()) {
case NotReallyAPrimitive:
case InternalPrimitive:
fatal("cannot call an internal primitive from Self code");
return NULL;
case IntComparisonPrimitive:
case IntArithmeticPrimitive:
// must have two smis
fail = CHECK_INT(receiver) || CHECK_INT(args->last());
break;
case FloatArithmeticPrimitive:
case FloatComparisonPrimitive:
// must have two floats
fail = CHECK_FLOAT(receiver) || CHECK_FLOAT(args->last());
break;
case AtPrimitive:
case AtPutPrimitive:
// must have array rcvr and smi arg
fail = TYPECHECK(receiver, is_objVector()) || CHECK_INT(args->last());
break;
case SizePrimitive:
// must have array rcvr
fail = TYPECHECK(receiver, is_objVector());
break;
case ByteAtPutPrimitive:
// stored value must be 0..255; for now, test only for integer
fail = CHECK_INT(args->nth(0));
// fall through
case ByteAtPrimitive:
// must have array rcvr and smi arg
fail |= TYPECHECK(receiver, is_byteVector()) || CHECK_INT(args->last());
break;
case ByteSizePrimitive:
// must have array rcvr
fail = TYPECHECK(receiver, is_byteVector());
break;
default:
return NULL;
}
if (fail) {
// primitive will always fail
ConstPReg* error = new_ConstPReg(_sender, VMString[BADTYPEERROR]);
Node* dummy;
MergeNode* mdummy = NULL;
return genPrimFailure(NULL, error, dummy, mdummy, resultPR, false);
} else {
return NULL;
}
}
AFFEND
/* XXX - when a file handle opened by pipe-from is up for gc it uses
fclose instead of pclose! */
value arc_pipe_from(arc *c, value cmd)
{
FILE *fp;
int len;
char *cmdstr;
value ffp;
TYPECHECK(cmd, T_STRING);
len = FIX2INT(arc_strutflen(c, cmd));
cmdstr = (char *)alloca(sizeof(char)*(len+1));
arc_str2cstr(c, cmd, cmdstr);
fp = popen(cmdstr, "r");
if (fp == NULL) {
int en = errno;
arc_err_cstrfmt(c, "pipe-from: error executing command \"%s\", (%s; errno=%d)", cmdstr, strerror(en), en);
}
ffp = mkfio(c, T_INPORT, fp, cmd);
IO(ffp)->io_ops = VINDEX(VINDEX(c->builtins, BI_io), BI_io_pfp);
IO(ffp)->io_tfn = &procio_tfn;
return(ffp);
}
int bind_params(sqlite3_stmt* stmt, const mxArray *params, int column)
{
TYPECHECK(params, mxSTRUCT_CLASS);
int i, n = mxGetNumberOfFields(params);
for (i = 0; i < n; i++) {
mxArray *array = mxGetFieldByNumber(params, column, i);
mxClassID cls = mxGetClassID(array);
int res;
switch (cls) {
case mxFUNCTION_CLASS:
break;
case mxCHAR_CLASS:
res = bind_string(stmt, i + 1, array);
break;
case mxSINGLE_CLASS:
case mxDOUBLE_CLASS:
res = bind_double(stmt, i + 1, array);
break;
default: /* anything else is an integer */
res = bind_int64(stmt, i + 1, array);
}
if (res != SQLITE_OK) {
return res;
}
}
return SQLITE_OK;
}
static bool
wsgi_senditer(Request* request)
{
#define ITER_MAXSEND 1024*4
PyObject* item = request->iterable_next;
if(!item) return true;
ssize_t sent = 0;
while(item && sent < ITER_MAXSEND) {
TYPECHECK(item, PyString, "wsgi iterable items", true);
if(!sendall(request, PyString_AS_STRING(item),
PyString_GET_SIZE(item)))
return true;
sent += PyString_GET_SIZE(item);
Py_DECREF(item);
item = PyIter_Next(request->response);
if(PyErr_Occurred()) {
/* TODO: What to do here? Parts of the response are already sent */
return true;
}
}
if(item) {
request->iterable_next = item;
return false;
} else {
return true;
}
}
value arc_mvfile(arc *c, value oldname, value newname)
{
char *utf_oldname, *utf_newname;
int en;
TYPECHECK(oldname, T_STRING);
TYPECHECK(newname, T_STRING);
utf_oldname = alloca(FIX2INT(arc_strutflen(c, oldname)) + 1);
arc_str2cstr(c, oldname, utf_oldname);
utf_newname = alloca(FIX2INT(arc_strutflen(c, newname)) + 1);
arc_str2cstr(c, newname, utf_newname);
if (rename(utf_oldname, utf_newname) != 0) {
en = errno;
arc_err_cstrfmt(c, "mvfile: cannot move file \"%s\" to \"%s\", (%s; errno=%d)", utf_oldname, utf_newname, strerror(en), en);
return(CNIL);
}
return(CNIL);
}
static bool
wsgi_sendheaders(Request* request)
{
char buf[1024*4];
size_t bufpos = 0;
#define buf_write(src, len) \
do { \
size_t n = len; \
const char* s = src; \
while(n--) buf[bufpos++] = *s++; \
} while(0)
buf_write("HTTP/1.0 ", strlen("HTTP/1.0 "));
buf_write(PyString_AS_STRING(request->status),
PyString_GET_SIZE(request->status));
size_t n_headers = PyList_GET_SIZE(request->headers);
for(size_t i=0; i<n_headers; ++i) {
PyObject* tuple = PyList_GET_ITEM(request->headers, i);
assert(tuple);
TYPECHECK(tuple, PyTuple, "headers", true);
if(PyTuple_GET_SIZE(tuple) < 2) {
PyErr_Format(
PyExc_TypeError,
"headers must be tuples of length 2, not %zd",
PyTuple_GET_SIZE(tuple)
);
return true;
}
PyObject* field = PyTuple_GET_ITEM(tuple, 0);
PyObject* value = PyTuple_GET_ITEM(tuple, 1);
TYPECHECK(field, PyString, "header tuple items", true);
TYPECHECK(value, PyString, "header tuple items", true);
buf_write("\r\n", strlen("\r\n"));
buf_write(PyString_AS_STRING(field), PyString_GET_SIZE(field));
buf_write(": ", strlen(": "));
buf_write(PyString_AS_STRING(value), PyString_GET_SIZE(value));
}
buf_write("\r\n\r\n", strlen("\r\n\r\n"));
return !sendall(request, buf, bufpos);
}
int bind_string(sqlite3_stmt *stmt, int index, const mxArray *array)
{
TYPECHECK(array, mxCHAR_CLASS);
char *s = mxArrayToString(array);
int res = sqlite3_bind_text(stmt, index, s,
-1, /* ALL the bytes */
SQLITE_TRANSIENT /* make a copy */
);
mxFree(s);
return res;
}
value arc_dir_exists(arc *c, value dirname)
{
char *utf_filename;
struct stat st;
TYPECHECK(dirname, T_STRING);
utf_filename = alloca(FIX2INT(arc_strutflen(c, dirname)) + 1);
arc_str2cstr(c, dirname, utf_filename);
if (stat(utf_filename, &st) == -1) {
return(CNIL);
}
if (S_ISDIR(st.st_mode))
return(dirname);
return(CNIL);
}
value arc_rmfile(arc *c, value filename)
{
char *utf_filename;
int en;
TYPECHECK(filename, T_STRING);
utf_filename = alloca(FIX2INT(arc_strutflen(c, filename)) + 1);
arc_str2cstr(c, filename, utf_filename);
if (unlink(utf_filename) < 0) {
en = errno;
arc_err_cstrfmt(c, "rmfile: cannot delete file \"%s\", (%s; errno=%d)", utf_filename, strerror(en), en);
return(CNIL);
}
return(CNIL);
}
value arc_dir(arc *c, value dirname)
{
char *utf_filename;
DIR *dirp;
int en;
value dirlist;
struct dirent *entry, *result;
int delen;
TYPECHECK(dirname, T_STRING);
utf_filename = alloca(FIX2INT(arc_strutflen(c, dirname)) + 1);
arc_str2cstr(c, dirname, utf_filename);
dirp = opendir(utf_filename);
if (dirp == NULL) {
en = errno;
arc_err_cstrfmt(c, "dir: cannot open directory \"%s\", (%s; errno=%d)", utf_filename, strerror(en), en);
return(CNIL);
}
dirlist = CNIL;
delen = offsetof(struct dirent, d_name)
+ pathconf(utf_filename, _PC_NAME_MAX) + 1;
entry = (struct dirent *)alloca(delen);
for (;;) {
if (readdir_r(dirp, entry, &result) != 0) {
/* error */
en = errno;
arc_err_cstrfmt(c, "dir: error reading directory \"%s\", (%s; errno=%d)", utf_filename, strerror(en), en);
return(CNIL);
}
/* end of list */
if (result == NULL)
break;
/* ignore the . and .. directories */
if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
continue;
dirlist = cons(c, arc_mkstringc(c, entry->d_name), dirlist);
}
closedir(dirp);
return(dirlist);
}
int bind_int64(sqlite3_stmt *stmt, int index, const mxArray *array)
{
int64_t val = 0;
TYPECHECK(array,
mxINT16_CLASS, mxUINT16_CLASS,
mxINT32_CLASS, mxUINT32_CLASS,
mxINT64_CLASS, mxUINT64_CLASS);
mxClassID cls = mxGetClassID(array);
#define GET_VALUE(CLASS, TYPE) \
if (cls == CLASS) { \
TYPE *p = mxGetData(array); \
val = *p; \
}
GET_VALUE(mxINT16_CLASS, int16_t);
GET_VALUE(mxUINT16_CLASS, uint16_t);
GET_VALUE(mxINT16_CLASS, int32_t);
GET_VALUE(mxUINT16_CLASS, uint32_t);
GET_VALUE(mxINT16_CLASS, int64_t);
GET_VALUE(mxUINT16_CLASS, uint64_t);
return sqlite3_bind_int64(stmt, index, val);
}
int bind_double(sqlite3_stmt *stmt, int index, const mxArray *array)
{
TYPECHECK(array, mxSINGLE_CLASS, mxDOUBLE_CLASS);
double val = mxGetScalar(array);
return sqlite3_bind_double(stmt, index, val);
}
static PyObject*
start_response(PyObject* self, PyObject* args, PyObject* kwargs)
{
Request* request = ((StartResponse*)self)->request;
if(request->state & REQUEST_START_RESPONSE_CALLED) {
/* not the first call of start_response --
throw away any previous status and headers. */
Py_DECREF(request->status);
Py_DECREF(request->headers);
request->status = NULL;
request->headers = NULL;
}
PyObject* status = NULL;
PyObject* headers = NULL;
PyObject* exc_info = NULL;
if(!PyArg_UnpackTuple(args, "start_response", 2, 3, &status, &headers, &exc_info))
return NULL;
if(exc_info) {
TYPECHECK(exc_info, PyTuple, "start_response argument 3", NULL);
if(PyTuple_GET_SIZE(exc_info) != 3) {
PyErr_Format(
PyExc_TypeError,
"start_response argument 3 must be a tuple of length 3, "
"not of length %zd",
PyTuple_GET_SIZE(exc_info)
);
return NULL;
}
restore_exception_tuple(exc_info, /* incref items? */ true);
if(request->state & REQUEST_RESPONSE_HEADERS_SENT)
/* Headers already sent. According to PEP 333, we should
* let the exception propagate in this case. */
return NULL;
/* Headers not yet sent; handle this start_response call if 'exc_info'
would not be passed, but print the exception and 'sys.exc_clear()' */
PyErr_Print();
}
else if(request->state & REQUEST_START_RESPONSE_CALLED) {
PyErr_SetString(PyExc_TypeError, "'start_response' called twice without "
"passing 'exc_info' the second time");
return NULL;
}
TYPECHECK(status, PyString, "start_response argument 1", NULL);
TYPECHECK(headers, PyList, "start_response argument 2", NULL);
Py_INCREF(status);
Py_INCREF(headers);
request->status = status;
request->headers = headers;
request->state |= REQUEST_START_RESPONSE_CALLED;
Py_RETURN_NONE;
}
