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/* gtkcupsutils.h
* Copyright (C) 2006 John (J5) Palmieri <johnp@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GTK_CUPS_UTILS_H__
#define __GTK_CUPS_UTILS_H__
#include <glib.h>
#include <cups/cups.h>
#include <cups/language.h>
#include <cups/http.h>
#include <cups/ipp.h>
G_BEGIN_DECLS
typedef struct _GtkCupsRequest GtkCupsRequest;
typedef struct _GtkCupsResult GtkCupsResult;
typedef struct _GtkCupsConnectionTest GtkCupsConnectionTest;
typedef enum
{
GTK_CUPS_ERROR_HTTP,
GTK_CUPS_ERROR_IPP,
GTK_CUPS_ERROR_IO,
GTK_CUPS_ERROR_AUTH,
GTK_CUPS_ERROR_GENERAL
} GtkCupsErrorType;
typedef enum
{
GTK_CUPS_POST,
GTK_CUPS_GET
} GtkCupsRequestType;
/**
* Direction we should be polling the http socket on.
* We are either reading or writting at each state.
* This makes it easy for mainloops to connect to poll.
*/
typedef enum
{
GTK_CUPS_HTTP_IDLE,
GTK_CUPS_HTTP_READ,
GTK_CUPS_HTTP_WRITE
} GtkCupsPollState;
typedef enum
{
GTK_CUPS_CONNECTION_AVAILABLE,
GTK_CUPS_CONNECTION_NOT_AVAILABLE,
GTK_CUPS_CONNECTION_IN_PROGRESS
} GtkCupsConnectionState;
typedef enum
{
GTK_CUPS_PASSWORD_NONE,
GTK_CUPS_PASSWORD_REQUESTED,
GTK_CUPS_PASSWORD_HAS,
GTK_CUPS_PASSWORD_APPLIED,
GTK_CUPS_PASSWORD_NOT_VALID
} GtkCupsPasswordState;
struct _GtkCupsRequest
{
GtkCupsRequestType type;
http_t *http;
http_status_t last_status;
ipp_t *ipp_request;
char *server;
char *resource;
GIOChannel *data_io;
int attempts;
GtkCupsResult *result;
int state;
GtkCupsPollState poll_state;
guint64 bytes_received;
char *password;
char *username;
int own_http : 1;
int need_password : 1;
int need_auth_info : 1;
char **auth_info_required;
char **auth_info;
GtkCupsPasswordState password_state;
};
struct _GtkCupsConnectionTest
{
GtkCupsConnectionState at_init;
http_addrlist_t *addrlist;
http_addrlist_t *current_addr;
http_addrlist_t *last_wrong_addr;
int socket;
};
#define GTK_CUPS_REQUEST_START 0
#define GTK_CUPS_REQUEST_DONE 500
/* POST states */
enum
{
GTK_CUPS_POST_CONNECT = GTK_CUPS_REQUEST_START,
GTK_CUPS_POST_SEND,
GTK_CUPS_POST_WRITE_REQUEST,
GTK_CUPS_POST_WRITE_DATA,
GTK_CUPS_POST_CHECK,
GTK_CUPS_POST_AUTH,
GTK_CUPS_POST_READ_RESPONSE,
GTK_CUPS_POST_DONE = GTK_CUPS_REQUEST_DONE
};
/* GET states */
enum
{
GTK_CUPS_GET_CONNECT = GTK_CUPS_REQUEST_START,
GTK_CUPS_GET_SEND,
GTK_CUPS_GET_CHECK,
GTK_CUPS_GET_AUTH,
GTK_CUPS_GET_READ_DATA,
GTK_CUPS_GET_DONE = GTK_CUPS_REQUEST_DONE
};
GtkCupsRequest * gtk_cups_request_new_with_username (http_t *connection,
GtkCupsRequestType req_type,
int operation_id,
GIOChannel *data_io,
const char *server,
const char *resource,
const char *username);
GtkCupsRequest * gtk_cups_request_new (http_t *connection,
GtkCupsRequestType req_type,
int operation_id,
GIOChannel *data_io,
const char *server,
const char *resource);
void gtk_cups_request_ipp_add_string (GtkCupsRequest *request,
ipp_tag_t group,
ipp_tag_t tag,
const char *name,
const char *charset,
const char *value);
void gtk_cups_request_ipp_add_strings (GtkCupsRequest *request,
ipp_tag_t group,
ipp_tag_t tag,
const char *name,
int num_values,
const char *charset,
const char * const *values);
const char * gtk_cups_request_ipp_get_string (GtkCupsRequest *request,
ipp_tag_t tag,
const char *name);
gboolean gtk_cups_request_read_write (GtkCupsRequest *request,
gboolean connect_only);
GtkCupsPollState gtk_cups_request_get_poll_state (GtkCupsRequest *request);
void gtk_cups_request_free (GtkCupsRequest *request);
GtkCupsResult * gtk_cups_request_get_result (GtkCupsRequest *request);
gboolean gtk_cups_request_is_done (GtkCupsRequest *request);
void gtk_cups_request_encode_option (GtkCupsRequest *request,
const char *option,
const char *value);
void gtk_cups_request_set_ipp_version (GtkCupsRequest *request,
int major,
int minor);
gboolean gtk_cups_result_is_error (GtkCupsResult *result);
ipp_t * gtk_cups_result_get_response (GtkCupsResult *result);
GtkCupsErrorType gtk_cups_result_get_error_type (GtkCupsResult *result);
int gtk_cups_result_get_error_status (GtkCupsResult *result);
int gtk_cups_result_get_error_code (GtkCupsResult *result);
const char * gtk_cups_result_get_error_string (GtkCupsResult *result);
GtkCupsConnectionTest * gtk_cups_connection_test_new (const char *server,
const int port);
GtkCupsConnectionState gtk_cups_connection_test_get_state (GtkCupsConnectionTest *test);
void gtk_cups_connection_test_free (GtkCupsConnectionTest *test);
G_END_DECLS
#endif
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