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144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/* gtkcupsutils.h
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* Copyright (C) 2006 John (J5) Palmieri <johnp@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GTK_CUPS_UTILS_H__
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#define __GTK_CUPS_UTILS_H__
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#include <glib.h>
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#include <cups/cups.h>
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#include <cups/language.h>
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#include <cups/http.h>
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#include <cups/ipp.h>
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G_BEGIN_DECLS
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typedef struct _GtkCupsRequest GtkCupsRequest;
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typedef struct _GtkCupsResult GtkCupsResult;
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typedef enum
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{
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GTK_CUPS_ERROR_HTTP,
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GTK_CUPS_ERROR_IPP,
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GTK_CUPS_ERROR_IO,
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GTK_CUPS_ERROR_GENERAL
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} GtkCupsErrorType;
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typedef enum
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{
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GTK_CUPS_POST,
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GTK_CUPS_GET
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} GtkCupsRequestType;
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/**
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* Direction we should be polling the http socket on.
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* We are either reading or writting at each state.
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* This makes it easy for mainloops to connect to poll.
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*/
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typedef enum
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{
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GTK_CUPS_HTTP_IDLE,
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GTK_CUPS_HTTP_READ,
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GTK_CUPS_HTTP_WRITE
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} GtkCupsPollState;
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struct _GtkCupsRequest
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{
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GtkCupsRequestType type;
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http_t *http;
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http_status_t last_status;
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ipp_t *ipp_request;
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gchar *server;
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gchar *resource;
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GIOChannel *data_io;
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gint attempts;
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GtkCupsResult *result;
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gint state;
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GtkCupsPollState poll_state;
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gint own_http : 1;
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};
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#define GTK_CUPS_REQUEST_START 0
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#define GTK_CUPS_REQUEST_DONE 500
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/* POST states */
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enum
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{
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GTK_CUPS_POST_CONNECT = GTK_CUPS_REQUEST_START,
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GTK_CUPS_POST_SEND,
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GTK_CUPS_POST_WRITE_REQUEST,
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GTK_CUPS_POST_WRITE_DATA,
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GTK_CUPS_POST_CHECK,
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GTK_CUPS_POST_READ_RESPONSE,
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GTK_CUPS_POST_DONE = GTK_CUPS_REQUEST_DONE
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};
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/* GET states */
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enum
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{
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GTK_CUPS_GET_CONNECT = GTK_CUPS_REQUEST_START,
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GTK_CUPS_GET_SEND,
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GTK_CUPS_GET_CHECK,
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GTK_CUPS_GET_READ_DATA,
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GTK_CUPS_GET_DONE = GTK_CUPS_REQUEST_DONE
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};
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GtkCupsRequest * gtk_cups_request_new (http_t *connection,
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GtkCupsRequestType req_type,
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gint operation_id,
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GIOChannel *data_io,
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const char *server,
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const char *resource);
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void gtk_cups_request_ipp_add_string (GtkCupsRequest *request,
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ipp_tag_t group,
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ipp_tag_t tag,
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const char *name,
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const char *charset,
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const char *value);
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void gtk_cups_request_ipp_add_strings (GtkCupsRequest *request,
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ipp_tag_t group,
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ipp_tag_t tag,
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const char *name,
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int num_values,
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const char *charset,
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const char * const *values);
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gboolean gtk_cups_request_read_write (GtkCupsRequest *request);
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GtkCupsPollState gtk_cups_request_get_poll_state (GtkCupsRequest *request);
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void gtk_cups_request_free (GtkCupsRequest *request);
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GtkCupsResult * gtk_cups_request_get_result (GtkCupsRequest *request);
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gboolean gtk_cups_request_is_done (GtkCupsRequest *request);
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void gtk_cups_request_encode_option (GtkCupsRequest *request,
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const gchar *option,
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const gchar *value);
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gboolean gtk_cups_result_is_error (GtkCupsResult *result);
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ipp_t * gtk_cups_result_get_response (GtkCupsResult *result);
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GtkCupsErrorType gtk_cups_result_get_error_type (GtkCupsResult *result);
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int gtk_cups_result_get_error_status (GtkCupsResult *result);
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int gtk_cups_result_get_error_code (GtkCupsResult *result);
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const char * gtk_cups_result_get_error_string (GtkCupsResult *result);
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G_END_DECLS
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#endif
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