Fossil

  int nUsed ;             /* Space of transportBuf[] used */
  int iCursor;            /* Next unread by in transportBuf[] */
  i64 nSent;              /* Number of bytes sent */
  i64 nRcvd;              /* Number of bytes received */
  FILE *pFile;            /* File I/O for FILE: */
  char *zOutFile;         /* Name of outbound file for FILE: */
  char *zInFile;          /* Name of inbound file for FILE: */
  FILE *pLog;             /* Log output here */
} transport = {
  0, 0, 0, 0, 0, 0, 0
};

/*
** Information about the connection to the SSH subprocess when
** using the ssh:// sync method.

void transport_close(void){
  if( transport.isOpen ){
    free(transport.pBuf);
    transport.pBuf = 0;
    transport.nAlloc = 0;
    transport.nUsed = 0;
    transport.iCursor = 0;
    if( transport.pLog ){
      fclose(transport.pLog);
      transport.pLog = 0;
    }
    if( g.urlIsSsh ){
      /* No-op */
    }else if( g.urlIsHttps ){
      #ifdef FOSSIL_ENABLE_SSL
      ssl_close();
      #endif
    }else if( g.urlIsFile ){

       fossil_nameofexe(), g.urlName, transport.zOutFile, transport.zInFile
    );
    fossil_system(zCmd);
    free(zCmd);
    transport.pFile = fopen(transport.zInFile, "rb");
  }
}

/*
** Log all input to a file.  The transport layer will take responsibility
** for closing the log file when it is done.
*/
void transport_log(FILE *pLog){
  if( transport.pLog ){
    fclose(transport.pLog);
    transport.pLog = 0;
  }
  transport.pLog = pLog;
}

/*
** This routine is called when the inbound message has been received
** and it is time to start sending again.
*/
void transport_rewind(void){
  if( g.urlIsFile ){

    #endif
  }else if( g.urlIsFile ){
    got = fread(zBuf, 1, N, transport.pFile);
  }else{
    got = socket_receive(0, zBuf, N);
  }
  /* printf("received %d of %d bytes\n", got, N); fflush(stdout);  */
  if( transport.pLog ){
    fwrite(zBuf, 1, got, transport.pLog);
    fflush(transport.pLog);
  }
  return got;
}

/*
** Read N bytes of content from the wire and store in the supplied buffer.
** Return the number of bytes actually received.
*/