QoreListNode *GlobalVariableList::getVarList() const {
QoreListNode *l = new QoreListNode();
for (map_var_t::const_iterator i = vmap.begin(); i != vmap.end(); i++)
l->push(new QoreStringNode(i->first));
return l;
}
QoreListNode *CallStack::getCallStack() const {
QoreListNode *l = new QoreListNode;
CallNode *c = tail;
while (c) {
l->push(c->getInfo());
c = c->prev;
}
return l;
}
void ConstantEntry::del(QoreListNode& l) {
//printd(5, "ConstantEntry::del(l) this: %p '%s' node: %p (%d) %s %d\n", this, name.c_str(), node, get_node_type(node), get_type_name(node), node->reference_count());
if (saved_node) {
node->deref(0);
l.push(saved_node);
#ifdef DEBUG
node = 0;
saved_node = 0;
#endif
}
else if (node) {
l.push(node);
#ifdef DEBUG
node = 0;
#endif
}
deref();
}
QoreListNode* QoreValueList::getOldList(size_t start) const {
if (start >= priv->length)
return 0;
QoreListNode* rv = new QoreListNode;
for (size_t i = start; i < priv->length; ++i) {
QoreValue v = priv->entry[i];
rv->push(v.getReferencedValue());
}
return rv;
}
AbstractQoreNode *command::read_rows(const Placeholders *ph, ExceptionSink* xsink) {
if (ensure_colinfo(xsink)) return 0;
ReferenceHolder<AbstractQoreNode> rv(xsink);
QoreListNode *l = 0;
while (fetch_row_into_buffers(xsink)) {
ReferenceHolder<QoreHashNode> h(output_buffers_to_hash(ph, xsink), xsink);
if (*xsink) return 0;
if (rv) {
if (!l) {
ReferenceHolder<QoreListNode> lholder(new QoreListNode(), xsink);
l = *lholder;
l->push(rv.release());
rv = lholder.release();
}
l->push(h.release());
}
else
rv = h.release();
}
return rv.release();
}
int command::append_buffers_to_list(row_result_t &column_info, row_output_buffers& all_buffers, QoreHashNode *h, ExceptionSink *xsink) {
HashIterator hi(h);
for (unsigned i = 0, n = column_info.size(); i != n; ++i) {
hi.next();
const output_value_buffer& buff = *all_buffers[i];
AbstractQoreNode* value = get_node(column_info[i], buff, xsink);
if (xsink->isException()) {
if (value) value->deref(xsink);
return -1;
}
QoreListNode *l = reinterpret_cast<QoreListNode *>(hi.getValue());
l->push(value);
} // for
return 0;
}
AbstractQoreNode* QoreXmlReader::getXmlData(ExceptionSink* xsink, const QoreEncoding* data_ccsid, int pflags, int min_depth) {
xml_stack xstack;
QORE_TRACE("getXMLData()");
int rc = 1;
while (rc == 1) {
int nt = nodeTypeSkipWhitespace();
// get node name
const char* name = constName();
if (!name)
name = "--";
if (nt == -1) // ERROR
break;
if (nt == XML_READER_TYPE_ELEMENT) {
int depth = QoreXmlReader::depth();
xstack.checkDepth(depth);
AbstractQoreNode* n = xstack.getNode();
// if there is no node pointer, then make a hash
if (!n) {
QoreHashNode* h = new QoreHashNode;
xstack.setNode(h);
xstack.push(h->getKeyValuePtr(name), depth);
}
else { // node ptr already exists
QoreHashNode* h = n->getType() == NT_HASH ? reinterpret_cast<QoreHashNode*>(n) : 0;
if (!h) {
h = new QoreHashNode;
xstack.setNode(h);
h->setKeyValue("^value^", n, 0);
xstack.incValueCount();
xstack.push(h->getKeyValuePtr(name), depth);
}
else {
// see if key already exists
AbstractQoreNode* v;
bool exists;
v = h->getKeyValueExistence(name, exists);
if (!exists)
xstack.push(h->getKeyValuePtr(name), depth);
else {
if (!(pflags & XPF_PRESERVE_ORDER)) {
QoreListNode* vl = get_node_type(v) == NT_LIST ? reinterpret_cast<QoreListNode*>(v) : 0;
// if it's not a list, then make into a list with current value as first entry
if (!vl) {
AbstractQoreNode** vp = h->getKeyValuePtr(name);
vl = new QoreListNode;
vl->push(v);
(*vp) = vl;
}
xstack.push(vl->get_entry_ptr(vl->size()), depth);
}
else {
// see if last key was the same, if so make a list if it's not
const char* lk = h->getLastKey();
bool get_value = false;
if (keys_are_equal(name, lk, get_value)) {
// get actual key value if there was a suffix
if (get_value)
v = h->getKeyValue(lk);
QoreListNode* vl = get_node_type(v) == NT_LIST ? reinterpret_cast<QoreListNode*>(v) : 0;
// if it's not a list, then make into a list with current value as first entry
if (!vl) {
AbstractQoreNode** vp = h->getKeyValuePtr(lk);
vl = new QoreListNode;
vl->push(v);
(*vp) = vl;
}
xstack.push(vl->get_entry_ptr(vl->size()), depth);
}
else {
QoreString ns;
int c = 1;
while (true) {
ns.sprintf("%s^%d", name, c);
if (!h->existsKey(ns.getBuffer()))
break;
c++;
ns.clear();
}
xstack.push(h->getKeyValuePtr(ns.getBuffer()), depth);
}
}
}
}
}
// add attributes to structure if possible
if (hasAttributes()) {
ReferenceHolder<QoreHashNode> h(new QoreHashNode, xsink);
while (moveToNextAttribute(xsink) == 1) {
const char* aname = constName();
QoreStringNode* value = getValue(data_ccsid, xsink);
if (!value)
return 0;
h->setKeyValue(aname, value, xsink);
}
if (*xsink)
return 0;
// make new new a hash and assign "^attributes^" key
QoreHashNode* nv = new QoreHashNode;
nv->setKeyValue("^attributes^", h.release(), xsink);
xstack.setNode(nv);
}
//printd(5, "%s: type: %d, hasValue: %d, empty: %d, depth: %d\n", name, nt, xmlTextReaderHasValue(reader), xmlTextReaderIsEmptyElement(reader), depth);
}
else if (nt == XML_READER_TYPE_TEXT) {
int depth = QoreXmlReader::depth();
xstack.checkDepth(depth);
const char* str = constValue();
if (str) {
QoreStringNodeHolder val(getValue(data_ccsid, xsink));
if (!val)
return 0;
AbstractQoreNode* n = xstack.getNode();
if (n) {
QoreHashNode* h = n->getType() == NT_HASH ? reinterpret_cast<QoreHashNode*>(n) : 0;
if (h) {
if (!xstack.getValueCount())
h->setKeyValue("^value^", val.release(), xsink);
else {
QoreString kstr;
kstr.sprintf("^value%d^", xstack.getValueCount());
h->setKeyValue(kstr.getBuffer(), val.release(), xsink);
}
}
else { // convert value to hash and save value node
h = new QoreHashNode;
xstack.setNode(h);
h->setKeyValue("^value^", n, 0);
xstack.incValueCount();
QoreString kstr;
kstr.sprintf("^value%d^", 1);
h->setKeyValue(kstr.getBuffer(), val.release(), xsink);
}
xstack.incValueCount();
}
else
xstack.setNode(val.release());
}
}
else if (nt == XML_READER_TYPE_CDATA) {
int depth = QoreXmlReader::depth();
xstack.checkDepth(depth);
const char* str = constValue();
if (str) {
QoreStringNode* val = getValue(data_ccsid, xsink);
if (!val)
return 0;
AbstractQoreNode* n = xstack.getNode();
if (n && n->getType() == NT_HASH) {
QoreHashNode* h = reinterpret_cast<QoreHashNode*>(n);
if (!xstack.getCDataCount())
h->setKeyValue("^cdata^", val, xsink);
else {
QoreString kstr;
kstr.sprintf("^cdata%d^", xstack.getCDataCount());
h->setKeyValue(kstr.getBuffer(), val, xsink);
}
}
else { // convert value to hash and save value node
QoreHashNode* h = new QoreHashNode;
xstack.setNode(h);
if (n) {
h->setKeyValue("^value^", n, 0);
xstack.incValueCount();
}
h->setKeyValue("^cdata^", val, xsink);
}
xstack.incCDataCount();
}
}
rc = read();
if (min_depth > 0 && QoreXmlReader::depth() < min_depth) {
rc = 0;
break;
}
}
return rc ? 0 : xstack.getVal();
}
QoreHashNode* qore_httpclient_priv::send_internal(ExceptionSink* xsink, const char* mname, const char* meth, const char* mpath, const QoreHashNode* headers, const void* data, unsigned size, const ResolvedCallReferenceNode* send_callback, bool getbody, QoreHashNode* info, int timeout_ms, const ResolvedCallReferenceNode* recv_callback, QoreObject* obj) {
assert(!(data && send_callback));
// check if method is valid
method_map_t::const_iterator i = method_map.find(meth);
if (i == method_map.end()) {
i = additional_methods_map.find(meth);
if (i == additional_methods_map.end()) {
xsink->raiseException("HTTP-CLIENT-METHOD-ERROR", "HTTP method (%s) not recognized.", meth);
return 0;
}
}
// make sure the capitalized version is used
meth = i->first.c_str();
bool bodyp = i->second;
// use the default timeout value if a zero value is given in the call
if (!timeout_ms)
timeout_ms = timeout;
SafeLocker sl(msock->m);
Queue* cb_queue = msock->socket->getQueue();
ReferenceHolder<QoreHashNode> nh(new QoreHashNode, xsink);
bool keep_alive = true;
bool transfer_encoding = false;
if (headers) {
ConstHashIterator hi(headers);
while (hi.next()) {
// if one of the mandatory headers is found, then ignore it
strcase_set_t::iterator si = header_ignore.find(hi.getKey());
if (si != header_ignore.end())
continue;
// otherwise set the value in the hash
const AbstractQoreNode* n = hi.getValue();
if (!is_nothing(n)) {
if (!strcasecmp(hi.getKey(), "transfer-encoding"))
transfer_encoding = true;
nh->setKeyValue(hi.getKey(), n->refSelf(), xsink);
if (!strcasecmp(hi.getKey(), "connection") || (proxy_connection.has_url() && !strcasecmp(hi.getKey(), "proxy-connection"))) {
const char* conn = get_string_header(xsink, **nh, hi.getKey(), true);
if (*xsink) {
disconnect_unlocked();
return 0;
}
if (conn && !strcasecmp(conn, "close"))
keep_alive = false;
}
}
}
}
// add default headers if they weren't overridden
for (header_map_t::const_iterator hdri = default_headers.begin(), e = default_headers.end(); hdri != e; ++hdri) {
// look in original headers to see if the key was already given
if (headers) {
bool skip = false;
ConstHashIterator hi(headers);
while (hi.next()) {
if (!strcasecmp(hi.getKey(), hdri->first.c_str())) {
skip = true;
break;
}
}
if (skip)
continue;
}
// if there is no message body then do not send the "content-type" header
if (!data && !send_callback && !strcmp(hdri->first.c_str(), "Content-Type"))
continue;
nh->setKeyValue(hdri->first.c_str(), new QoreStringNode(hdri->second.c_str()), xsink);
}
// set Transfer-Encoding: chunked if used with a send callback
if (send_callback && !transfer_encoding)
nh->setKeyValue("Transfer-Encoding", new QoreStringNode("chunked"), xsink);
if (!connection.username.empty()) {
// check for "Authorization" header
bool auth_found = false;
if (headers) {
ConstHashIterator hi(headers);
while (hi.next()) {
if (!strcasecmp(hi.getKey(), "Authorization")) {
auth_found = true;
break;
}
}
}
if (!auth_found) {
QoreString tmp;
tmp.sprintf("%s:%s", connection.username.c_str(), connection.password.c_str());
QoreStringNode* auth_str = new QoreStringNode("Basic ");
auth_str->concatBase64(&tmp);
nh->setKeyValue("Authorization", auth_str, xsink);
}
}
// save original HTTP method in case we have to issue a CONNECT request to a proxy for an HTTPS connection
const char* meth_orig = meth;
bool use_proxy_connect = false;
const char* proxy_path = 0;
ReferenceHolder<QoreHashNode> proxy_headers(xsink);
QoreString hostport;
if (!proxy_connected && proxy_connection.has_url()) {
// use CONNECT if we need to make an HTTPS connection from the proxy
if (!proxy_connection.ssl && connection.ssl) {
meth = "CONNECT";
use_proxy_connect = true;
hostport.concat(connection.host);
if (connection.port)
hostport.sprintf(":%d", connection.port);
proxy_path = hostport.getBuffer();
proxy_headers = new QoreHashNode;
proxy_headers->setKeyValue("Host", new QoreStringNode(hostport), xsink);
addProxyAuthorization(headers, **proxy_headers, xsink);
}
else
addProxyAuthorization(headers, **nh, xsink);
}
bool host_override = headers ? (bool)headers->getKeyValue("Host") : false;
int code;
ReferenceHolder<QoreHashNode> ans(xsink);
int redirect_count = 0;
const char* location = 0;
// flag for aborted chunked sends
bool send_aborted = false;
while (true) {
// set host field automatically if not overridden
if (!host_override)
nh->setKeyValue("Host", getHostHeaderValue(), xsink);
if (info) {
info->setKeyValue("headers", nh->copy(), xsink);
if (*xsink)
return 0;
}
//printd(5, "qore_httpclient_priv::send_internal() meth=%s proxy_path=%s mpath=%s upc=%d\n", meth, proxy_path ? proxy_path : "n/a", mpath, use_proxy_connect);
// send HTTP message and get response header
if (use_proxy_connect)
ans = sendMessageAndGetResponse(meth, proxy_path, *(*proxy_headers), 0, 0, 0, info, true, timeout_ms, code, send_aborted, xsink);
else
ans = sendMessageAndGetResponse(meth, mpath, *(*nh), data, size, send_callback, info, false, timeout_ms, code, send_aborted, xsink);
if (!ans)
return 0;
if (info) {
info->setKeyValue("response-headers", ans->refSelf(), xsink);
if (*xsink)
return 0;
}
if (code >= 300 && code < 400) {
disconnect_unlocked();
host_override = false;
const QoreStringNode* mess = reinterpret_cast<QoreStringNode*>(ans->getKeyValue("status_message"));
const QoreStringNode* loc = get_string_header_node(xsink, **ans, "location");
if (*xsink)
return 0;
const char* location = loc && !loc->empty() ? loc->getBuffer() : 0;
if (!location) {
sl.unlock();
const char* msg = mess ? mess->getBuffer() : "<no message>";
xsink->raiseException("HTTP-CLIENT-REDIRECT-ERROR", "no redirect location given for status code %d: message: '%s'", code, msg);
return 0;
}
if (cb_queue)
do_redirect_event(cb_queue, msock->socket->getObjectIDForEvents(), loc, mess);
if (++redirect_count > max_redirects)
break;
if (set_url_unlocked(location, xsink)) {
sl.unlock();
const char* msg = mess ? mess->getBuffer() : "<no message>";
xsink->raiseException("HTTP-CLIENT-REDIRECT-ERROR", "exception occurred while setting URL for new location '%s' (code %d: message: '%s')", location, code, msg);
return 0;
}
// set redirect info in info hash if present
if (info) {
QoreString tmp;
tmp.sprintf("redirect-%d", redirect_count);
info->setKeyValue(tmp.getBuffer(), loc->refSelf(), xsink);
if (*xsink)
return 0;
tmp.clear();
tmp.sprintf("redirect-message-%d", redirect_count);
info->setKeyValue(tmp.getBuffer(), mess ? mess->refSelf() : 0, xsink);
}
// FIXME: reset send callback and send_aborted here
// set mpath to NULL so that the new path will be taken
mpath = 0;
continue;
}
else if (use_proxy_connect) {
meth = meth_orig;
use_proxy_connect = false;
proxy_path = 0;
if (msock->socket->upgradeClientToSSL(0, 0, xsink)) {
disconnect_unlocked();
return 0;
}
proxy_connected = true;
// remove "Proxy-Authorization" header
nh->removeKey("Proxy-Authorization", xsink);
if (*xsink)
return 0;
// try again as if we are talking directly to the client
continue;
}
break;
}
if (code >= 300 && code < 400) {
sl.unlock();
const char* mess = get_string_header(xsink, **ans, "status_message");
if (!mess)
mess = "<no message>";
if (!location)
location = "<no location>";
xsink->raiseException("HTTP-CLIENT-MAXIMUM-REDIRECTS-EXCEEDED", "maximum redirections (%d) exceeded; redirect code %d to '%s' ignored (message: '%s')", max_redirects, code, location, mess);
return 0;
}
// process content-type
const QoreStringNode* v = get_string_header_node(xsink, **ans, "content-type");
if (*xsink) {
disconnect_unlocked();
return 0;
}
//ans->getKeyValue("content-type");
// see if there is a character set specification in the content-type header
if (v) {
// save original content-type header before processing
ans->setKeyValue("_qore_orig_content_type", v->refSelf(), xsink);
const char* str = v->getBuffer();
const char* p = strstr(str, "charset=");
if (p && (p == str || *(p - 1) == ';' || *(p - 1) == ' ')) {
// move p to start of encoding
const char* c = p + 8;
char quote = '\0';
if (*c == '\'' || *c == '"') {
quote = *c;
++c;
}
QoreString enc;
while (*c && *c != ';' && *c != ' ' && *c != quote)
enc.concat(*(c++));
if (quote && *c == quote)
++c;
printd(5, "QoreHttpClientObject::send_intern() setting encoding to '%s' from content-type header: '%s' (cs=%p c=%p %d)\n", enc.getBuffer(), str, p + 8, c);
// set new encoding
msock->socket->setEncoding(QEM.findCreate(&enc));
// strip from content-type
QoreStringNode* nc = new QoreStringNode();
// skip any spaces before the charset=
while (p != str && (*(p - 1) == ' ' || *(p - 1) == ';'))
p--;
if (p != str)
nc->concat(str, p - str);
if (*c)
nc->concat(c);
ans->setKeyValue("content-type", nc, xsink);
str = nc->getBuffer();
}
// split into a list if ";" characters are present
p = strchr(str, ';');
if (p) {
bool multipart = false;
QoreListNode* l = new QoreListNode();
do {
// skip whitespace
while (*str == ' ') str++;
if (str != p) {
int len = p - str;
check_headers(str, len, multipart, *(*ans), msock->socket->getEncoding(), xsink);
l->push(new QoreStringNode(str, len, msock->socket->getEncoding()));
}
str = p + 1;
} while ((p = strchr(str, ';')));
// skip whitespace
while (*str == ' ') str++;
// add last field
if (*str) {
check_headers(str, strlen(str), multipart, *(*ans), msock->socket->getEncoding(), xsink);
l->push(new QoreStringNode(str, msock->socket->getEncoding()));
}
ans->setKeyValue("content-type", l, xsink);
}
}
// send headers to recv_callback
if (recv_callback && msock->socket->priv->runHeaderCallback(xsink, mname, *recv_callback, &msock->m, *ans, send_aborted, obj))
return 0;
AbstractQoreNode* body = 0;
const char* content_encoding = 0;
// do not read any message body for messages that cannot have one
// rfc 2616 4.4 p1 (http://tools.ietf.org/html/rfc2616#section-4.4)
/*
1.Any response message which "MUST NOT" include a message-body (such
as the 1xx, 204, and 304 responses and any response to a HEAD
request) is always terminated by the first empty line after the
header fields, regardless of the entity-header fields present in
the message.
*/
//printd(5, "qore_httpclient_priv::send_internal() this: %p bodyp: %d code: %d\n", this, bodyp, code);
qore_uncompress_to_string_t dec = 0;
// code >= 300 && < 400 is already handled above
if (bodyp && (code < 100 || code >= 200) && code != 204) {
// see if we should do a binary or string read
content_encoding = get_string_header(xsink, **ans, "content-encoding");
if (*xsink) {
disconnect_unlocked();
return 0;
}
if (content_encoding) {
// check for misuse (? not sure: check RFCs again) of this field by including a character encoding value
if (!strncasecmp(content_encoding, "iso", 3) || !strncasecmp(content_encoding, "utf-", 4)) {
msock->socket->setEncoding(QEM.findCreate(content_encoding));
content_encoding = 0;
}
else if (!recv_callback) {
// only decode message bodies automatically if there is no receive callback
if (!strcasecmp(content_encoding, "deflate") || !strcasecmp(content_encoding, "x-deflate"))
dec = qore_inflate_to_string;
else if (!strcasecmp(content_encoding, "gzip") || !strcasecmp(content_encoding, "x-gzip"))
dec = qore_gunzip_to_string;
else if (!strcasecmp(content_encoding, "bzip2") || !strcasecmp(content_encoding, "x-bzip2"))
dec = qore_bunzip2_to_string;
}
}
const char* te = get_string_header(xsink, **ans, "transfer-encoding");
if (*xsink) {
disconnect_unlocked();
return 0;
}
// get response body, if any
const char* cl = get_string_header(xsink, **ans, "content-length");
if (*xsink) {
disconnect_unlocked();
return 0;
}
int len = cl ? atoi(cl) : 0;
if (cl && cb_queue)
do_content_length_event(cb_queue, msock->socket->getObjectIDForEvents(), len);
if (te && !strcasecmp(te, "chunked")) { // check for chunked response body
if (cb_queue)
do_event(cb_queue, msock->socket->getObjectIDForEvents(), QORE_EVENT_HTTP_CHUNKED_START);
ReferenceHolder<QoreHashNode> nah(xsink);
if (recv_callback) {
if (content_encoding)
msock->socket->priv->readHttpChunkedBodyBinary(timeout_ms, xsink, QORE_SOURCE_HTTPCLIENT, recv_callback, &msock->m, obj);
else
msock->socket->priv->readHttpChunkedBody(timeout_ms, xsink, QORE_SOURCE_HTTPCLIENT, recv_callback, &msock->m, obj);
}
else {
if (content_encoding)
nah = msock->socket->priv->readHttpChunkedBodyBinary(timeout_ms, xsink, QORE_SOURCE_HTTPCLIENT);
else
nah = msock->socket->priv->readHttpChunkedBody(timeout_ms, xsink, QORE_SOURCE_HTTPCLIENT);
}
if (cb_queue)
do_event(cb_queue, msock->socket->getObjectIDForEvents(), QORE_EVENT_HTTP_CHUNKED_END);
if (!nah && !recv_callback) {
if (!msock->socket->isOpen())
disconnect_unlocked();
return 0;
}
if (info) {
info->setKeyValue("chunked", &True, xsink);
if (*xsink)
return 0;
}
if (!recv_callback) {
body = nah->takeKeyValue("body");
ans->merge(*nah, xsink);
}
}
else if (getbody || len) {
if (content_encoding) {
SimpleRefHolder<BinaryNode> bobj(msock->socket->recvBinary(len, timeout_ms, xsink));
if (!(*xsink) && bobj)
body = bobj.release();
}
else {
QoreStringNodeHolder bstr(msock->socket->recv(len, timeout_ms, xsink));
if (!(*xsink) && bstr)
body = bstr.release();
}
if (*xsink && !msock->socket->isOpen())
disconnect_unlocked();
//printf("body=%p\n", body);
}
}
// check for connection: close header
if (!keep_alive)
disconnect_unlocked();
else {
const char* conn = get_string_header(xsink, **ans, "connection", true);
if (*xsink) {
disconnect_unlocked();
return 0;
}
if (conn && !strcasecmp(conn, "close"))
disconnect_unlocked();
}
sl.unlock();
// for content-encoding processing we can run unlocked
// add body to result hash and process content encoding if necessary
if (body) {
if (content_encoding) {
if (!dec) {
if (!recv_callback) {
xsink->raiseException("HTTP-CLIENT-RECEIVE-ERROR", "don't know how to handle content-encoding '%s'", content_encoding);
ans = 0;
}
}
else {
BinaryNode* bobj = reinterpret_cast<BinaryNode*>(body);
QoreStringNode* str = dec(bobj, msock->socket->getEncoding(), xsink);
bobj->deref();
body = str;
}
}
if (body) {
// send data to recv_callback (already unlocked)
if (recv_callback) {
ReferenceHolder<> bh(body, xsink);
if (msock->socket->priv->runDataCallback(xsink, mname, *recv_callback, 0, body, false)
|| msock->socket->priv->runHeaderCallback(xsink, mname, *recv_callback, 0, 0, send_aborted, obj))
return 0;
}
else
ans->setKeyValue("body", body, xsink);
}
}
// do not throw an exception if a receive callback is used
if (!recv_callback && !*xsink && (code < 100 || code >= 300)) {
const char* mess = get_string_header(xsink, **ans, "status_message");
if (!mess)
mess = "<no message>";
assert(!*xsink);
xsink->raiseExceptionArg("HTTP-CLIENT-RECEIVE-ERROR", ans.release(), "HTTP status code %d received: message: %s", code, mess);
return 0;
}
return *xsink || recv_callback ? 0 : ans.release();
}