"5000000");
  @ <p>Fossil tries to limit out-bound sync, clone, and pull packets
  @ to this many bytes, uncompressed.  If the client requires more data
  @ than this, then the client will issue multiple HTTP requests.
  @ Values below 1 million are not recommended.  5 million is a
  @ reasonable number.</p>

  @ <hr />
  entry_attribute("Download time limit", 11, "max-download-time", "mxdwnt",
                  "30");

  @ <p>Fossil tries to spend less than this many seconds gathering
  @ the out-bound data of sync, clone, and pull packets.
  @ If the client request takes longer, a partial reply is given similar
  @ to the download packet limit. 30s is a reasonable default.</p>

  @ <hr />
  onoff_attribute(
      "Enable hyperlinks for \"nobody\" based on User-Agent and Javascript",
      "auto-hyperlink", "autohyperlink", 1);
  @ <p>Enable hyperlinks (the equivalent of the "h" permission) for all users
  @ including user "nobody", as long as (1) the User-Agent string in the
  @ HTTP header indicates that the request is coming from an actual human

*******************************************************************************
**
** This file contains code to implement the file transfer protocol.
*/
#include "config.h"
#include "xfer.h"

#include <time.h>

/*
** This structure holds information about the current state of either
** a client or a server that is participating in xfer.
*/
typedef struct Xfer Xfer;
struct Xfer {
  Blob *pIn;          /* Input text from the other side */

  int nDeltaSent;     /* Number of deltas sent */
  int nFileRcvd;      /* Number of files received */
  int nDeltaRcvd;     /* Number of deltas received */
  int nDanglingFile;  /* Number of dangling deltas received */
  int mxSend;         /* Stop sending "file" with pOut reaches this size */
  u8 syncPrivate;     /* True to enable syncing private content */
  u8 nextIsPrivate;   /* If true, next "file" received is a private */
  time_t maxTime;     /* Time when this transfer should be finished */
};


/*
** The input blob contains a UUID.  Convert it into a record ID.
** Create a phantom record if no prior record exists and
** phantomize is true.

  }else{
    pUuid = &uuid;
  }
  if( uuid_is_shunned(blob_str(pUuid)) ){
    blob_reset(&uuid);
    return;
  }
  if( (pXfer->maxTime != -1 && time(NULL) >= pXfer->maxTime) || 
       pXfer->mxSend<=blob_size(pXfer->pOut) ){
    const char *zFormat = isPriv ? "igot %b 1\n" : "igot %b\n";
    blob_appendf(pXfer->pOut, zFormat, pUuid);
    pXfer->nIGotSent++;
    blob_reset(&uuid);
    return;
  }
  if( nativeDelta ){

    @ error database\sschema\sis\sout-of-date\son\sthe\sserver.
    return;
  }
  blob_zero(&xfer.err);
  xfer.pIn = &g.cgiIn;
  xfer.pOut = cgi_output_blob();
  xfer.mxSend = db_get_int("max-download", 5000000);
  xfer.maxTime = time(NULL) + db_get_int("max-download-time", 30);
  g.xferPanic = 1;

  db_begin_transaction();
  db_multi_exec(
     "CREATE TEMP TABLE onremote(rid INTEGER PRIMARY KEY);"
  );
  manifest_crosslink_begin();

      ){
        int seqno, max;
        if( iVers>=3 ){
          cgi_set_content_type("application/x-fossil-uncompressed");
        }
        blob_is_int(&xfer.aToken[2], &seqno);
        max = db_int(0, "SELECT max(rid) FROM blob");
        while( xfer.mxSend>blob_size(xfer.pOut) && seqno<=max){
          if( time(NULL) >= xfer.maxTime ) break;
          if( iVers>=3 ){
            send_compressed_file(&xfer, seqno);
          }else{
            send_file(&xfer, seqno, 0, 1);
          }
          seqno++;
        }

  transport_stats(0, 0, 1);
  socket_global_init();
  memset(&xfer, 0, sizeof(xfer));
  xfer.pIn = &recv;
  xfer.pOut = &send;
  xfer.mxSend = db_get_int("max-upload", 250000);
  xfer.maxTime = -1;
  if( syncFlags & SYNC_PRIVATE ){
    g.perm.Private = 1;
    xfer.syncPrivate = 1;
  }

  db_begin_transaction();
  db_record_repository_filename(0);