Fossil

** in pRecv.  pRecv is assumed to be uninitialized when
** this routine is called - this routine will initialize it.
**
** The server address is contain in the "g" global structure.  The
** url_parse() routine should have been called prior to this routine
** in order to fill this structure appropriately.
*/
void http_exchange(Blob *pSend, Blob *pReply, int useLogin){
  Blob login;           /* The login card */
  Blob payload;         /* The complete payload including login card */
  Blob hdr;             /* The HTTP request header */
  int closeConnection;  /* True to close the connection when done */
  int iLength;          /* Length of the reply payload */
  int rc;               /* Result code */
  int iHttpVersion;     /* Which version of HTTP protocol server uses */
  char *zLine;          /* A single line of the reply header */
  int i;                /* Loop counter */

  if( transport_open() ){
    fossil_fatal(transport_errmsg());
  }

  /* Construct the login card and prepare the complete payload */
  blob_zero(&login);
  if( useLogin ) http_build_login_card(pSend, &login);
  if( g.fHttpTrace ){
    payload = login;
    blob_append(&payload, blob_buffer(pSend), blob_size(pSend));
  }else{
    blob_compress2(&login, pSend, &payload);
    blob_reset(&login);
  }