bool socketSendData(JsNetwork *net, JsVar *connection, int sckt, JsVar **sendData) {
char buf[64];
int a=1;
if (!jsvIsEmptyString(*sendData)) {
size_t bufLen = httpStringGet(*sendData, buf, sizeof(buf));
a = net->send(net, sckt, buf, bufLen);
// Now cut what we managed to send off the beginning of sendData
if (a>0) {
JsVar *newSendData = 0;
if (a < (int)jsvGetStringLength(*sendData)) {
// we didn't send all of it... cut out what we did send
newSendData = jsvNewFromStringVar(*sendData, (size_t)a, JSVAPPENDSTRINGVAR_MAXLENGTH);
} else {
// we sent all of it! Issue a drain event
jsiQueueObjectCallbacks(connection, "#ondrain", &connection, 1);
}
jsvUnLock(*sendData);
*sendData = newSendData;
}
}
if (a<0) { // could just be busy which is ok
jsError("Socket error %d while sending", a);
return false;
}
return true;
}
// returns 0 on success and a (negative) error number on failure
int socketSendData(JsNetwork *net, JsVar *connection, int sckt, JsVar **sendData) {
char *buf = alloca(net->chunkSize); // allocate on stack
assert(!jsvIsEmptyString(*sendData));
size_t bufLen = httpStringGet(*sendData, buf, net->chunkSize);
int num = netSend(net, sckt, buf, bufLen);
if (num < 0) return num; // an error occurred
// Now cut what we managed to send off the beginning of sendData
if (num > 0) {
JsVar *newSendData = 0;
if (num < (int)jsvGetStringLength(*sendData)) {
// we didn't send all of it... cut out what we did send
newSendData = jsvNewFromStringVar(*sendData, (size_t)num, JSVAPPENDSTRINGVAR_MAXLENGTH);
} else {
// we sent all of it! Issue a drain event, unless we want to close, then we shouldn't
// callback for more data
bool wantClose = jsvGetBoolAndUnLock(jsvObjectGetChild(connection,HTTP_NAME_CLOSE,0));
if (!wantClose) {
jsiQueueObjectCallbacks(connection, HTTP_NAME_ON_DRAIN, &connection, 1);
}
newSendData = jsvNewFromEmptyString();
}
jsvUnLock(*sendData);
*sendData = newSendData;
}
return 0;
}
bool _http_send(SOCKET sckt, JsVar **sendData) {
char buf[64];
int a=1;
int len = (int)jsvGetStringLength(*sendData);
if (len>0) {
size_t bufLen = httpStringGet(*sendData, buf, sizeof(buf));
a = (int)send(sckt,buf,bufLen, MSG_NOSIGNAL);
JsVar *newSendData = 0;
if (a!=len) {
newSendData = jsvNewFromEmptyString();
jsvAppendStringVar(newSendData, *sendData, a, JSVAPPENDSTRINGVAR_MAXLENGTH);
}
jsvUnLock(*sendData);
*sendData = newSendData;
}
if (a<=0) {
httpError("Socket error while sending");
return false;
} return true;
}
