Exemple #1
0
static void netOutgoingService(MaQueue *q)
{
    MaConn      *conn;
    MaResponse  *resp;
    int         written, errCode;

    conn = q->conn;
    resp = conn->response;
    
    while (q->first || q->ioIndex) {
        written = 0;
        if (q->ioIndex == 0 && buildNetVec(q) <= 0) {
            break;
        }
        /*
         *  Issue a single I/O request to write all the blocks in the I/O vector
         */
        errCode = mprGetOsError();
        mprAssert(q->ioIndex > 0);
        written = mprWriteSocketVector(conn->sock, q->iovec, q->ioIndex);
        mprLog(q, 5, "Net connector written %d", written);
        if (written < 0) {
            errCode = mprGetOsError();
            if (errCode == EAGAIN || errCode == EWOULDBLOCK) {
                maRequestWriteBlocked(conn);
                break;
            }
            if (errCode == EPIPE || errCode == ECONNRESET) {
                maDisconnectConn(conn);
            } else {
                mprLog(conn, 7, "mprVectorWriteSocket failed, error %d", errCode);
                maDisconnectConn(conn);
            }
            freeNetPackets(q, MAXINT);
            break;

        } else if (written == 0) {
            /* 
             * Socket full. Wait for an I/O event. Conn.c will setup listening for write events if the queue is non-empty
             */
            maRequestWriteBlocked(conn);
            break;

        } else if (written > 0) {
            resp->bytesWritten += written;
            freeNetPackets(q, written);
            adjustNetVec(q, written);
        }
    }
    if (q->ioCount == 0 && q->flags & MA_QUEUE_EOF) {
        maCompleteRequest(conn);
    }
}
Exemple #2
0
static void netOutgoingService(HttpQueue *q)
{
    HttpConn    *conn;
    HttpTx      *tx;
    ssize       written;
    int         errCode;

    conn = q->conn;
    tx = conn->tx;
    conn->lastActivity = conn->http->now;
    mprAssert(conn->sock);
    
    if (!conn->sock || conn->connectorComplete) {
        return;
    }
    if (tx->flags & HTTP_TX_NO_BODY) {
        httpDiscardQueueData(q, 1);
    }
    if ((tx->bytesWritten + q->count) > conn->limits->transmissionBodySize) {
        httpError(conn, HTTP_CODE_REQUEST_TOO_LARGE | ((tx->bytesWritten) ? HTTP_ABORT : 0),
            "Http transmission aborted. Exceeded transmission max body of %,Ld bytes", conn->limits->transmissionBodySize);
        if (tx->bytesWritten) {
            httpConnectorComplete(conn);
            return;
        }
    }
    if (tx->flags & HTTP_TX_SENDFILE) {
        /* Relay via the send connector */
        if (tx->file == 0) {
            if (tx->flags & HTTP_TX_HEADERS_CREATED) {
                tx->flags &= ~HTTP_TX_SENDFILE;
            } else {
                tx->connector = conn->http->sendConnector;
                httpSendOpen(q);
            }
        }
        if (tx->file) {
            httpSendOutgoingService(q);
            return;
        }
    }
    while (q->first || q->ioIndex) {
        if (q->ioIndex == 0 && buildNetVec(q) <= 0) {
            break;
        }
        /*  
            Issue a single I/O request to write all the blocks in the I/O vector
         */
        mprAssert(q->ioIndex > 0);
        written = mprWriteSocketVector(conn->sock, q->iovec, q->ioIndex);
        LOG(5, "Net connector wrote %d, written so far %Ld, q->count %d/%d", written, tx->bytesWritten, q->count, q->max);
        if (written < 0) {
            errCode = mprGetError(q);
            if (errCode == EAGAIN || errCode == EWOULDBLOCK) {
                /*  Socket full, wait for an I/O event */
                httpSocketBlocked(conn);
                break;
            }
            if (errCode != EPIPE && errCode != ECONNRESET) {
                LOG(5, "netOutgoingService write failed, error %d", errCode);
            }
            httpError(conn, HTTP_ABORT | HTTP_CODE_COMMS_ERROR, "Write error %d", errCode);
            httpConnectorComplete(conn);
            break;

        } else if (written == 0) {
            /*  Socket full, wait for an I/O event */
            httpSocketBlocked(conn);
            break;

        } else if (written > 0) {
            tx->bytesWritten += written;
            freeNetPackets(q, written);
            adjustNetVec(q, written);
        }
    }
    if (q->ioCount == 0) {
        if ((q->flags & HTTP_QUEUE_EOF)) {
            httpConnectorComplete(conn);
        } else {
            httpNotifyWritable(conn);
        }
    }
}