/*
* Outgoing data service routine. May be called multiple times.
*/
static void sendOutgoingService(MaQueue *q)
{
MaConn *conn;
MaResponse *resp;
int written;
int errCode;
conn = q->conn;
resp = conn->response;
if (conn->sock == 0) {
return;
}
/*
* Loop doing non-blocking I/O until blocked or all the packets received are written.
*/
while (1) {
/*
* Rebuild the iovector only when the past vector has been completely written. Simplifies the logic quite a bit.
*/
written = 0;
if (q->ioIndex == 0 && buildSendVec(q) <= 0) {
break;
}
/*
* Write the vector and file data. Exclude the file entry in the io vector.
*/
written = (int) mprSendFileToSocket(conn->sock, resp->file, q->ioPos, q->ioCount, q->iovec, q->ioIndex, NULL, 0);
mprLog(q, 5, "Send connector written %d", written);
if (written < 0) {
errCode = mprGetError();
if (errCode == EAGAIN || errCode == EWOULDBLOCK) {
maRequestWriteBlocked(conn);
break;
}
if (errCode == EPIPE || errCode == ECONNRESET) {
maDisconnectConn(conn);
} else {
mprLog(conn, 7, "mprSendFileToSocket failed, errCode %d", errCode);
maDisconnectConn(conn);
}
freeSentPackets(q, MAXINT);
break;
} else if (written == 0) {
/* Socket is full. Wait for an I/O event */
maRequestWriteBlocked(conn);
break;
} else if (written > 0) {
resp->bytesWritten += written;
freeSentPackets(q, written);
adjustSendVec(q, written);
}
}
if (q->ioCount == 0 && q->flags & MA_QUEUE_EOF) {
maCompleteRequest(conn);
}
}
PUBLIC void httpSendOutgoingService(HttpQueue *q)
{
HttpConn *conn;
HttpTx *tx;
MprFile *file;
MprOff written;
int errCode;
conn = q->conn;
tx = conn->tx;
conn->lastActivity = conn->http->now;
if (tx->finalizedConnector) {
return;
}
if (tx->flags & HTTP_TX_NO_BODY) {
httpDiscardQueueData(q, 1);
}
if ((tx->bytesWritten + q->ioCount) > conn->limits->txBodySize && conn->limits->txBodySize < HTTP_UNLIMITED) {
httpLimitError(conn, HTTP_ABORT | HTTP_CODE_REQUEST_TOO_LARGE | ((tx->bytesWritten) ? HTTP_ABORT : 0),
"Http transmission aborted. Exceeded max body of %lld bytes", conn->limits->txBodySize);
if (tx->bytesWritten) {
httpFinalizeConnector(conn);
return;
}
}
tx->writeBlocked = 0;
if (q->ioIndex == 0) {
buildSendVec(q);
}
/*
No need to loop around as send file tries to write as much of the file as possible.
If not eof, will always have the socket blocked.
*/
file = q->ioFile ? tx->file : 0;
written = mprSendFileToSocket(conn->sock, file, q->ioPos, q->ioCount, q->iovec, q->ioIndex, NULL, 0);
if (written < 0) {
errCode = mprGetError();
if (errCode == EAGAIN || errCode == EWOULDBLOCK) {
/* Socket full, wait for an I/O event */
tx->writeBlocked = 1;
} else {
if (errCode != EPIPE && errCode != ECONNRESET && errCode != ECONNABORTED && errCode != ENOTCONN) {
httpError(conn, HTTP_ABORT | HTTP_CODE_COMMS_ERROR, "sendConnector: error, errCode %d", errCode);
} else {
httpDisconnect(conn);
}
httpFinalizeConnector(conn);
}
httpTrace(conn, "connection.io.error", "error", "msg:'Connector write error',errno:%d", errCode);
} else if (written > 0) {
tx->bytesWritten += written;
freeSendPackets(q, written);
adjustSendVec(q, written);
}
if (q->first && q->first->flags & HTTP_PACKET_END) {
httpFinalizeConnector(conn);
httpGetPacket(q);
}
}
