michaelrsweet · Kappuccino111 · Mar 9, 2024 · Mar 9, 2024 · Mar 21, 2024 · Mar 21, 2024
diff --git a/pappl/scanner-private.h b/pappl/scanner-private.h
@@ -0,0 +1,119 @@
+//
+// Private scanner header file for the Scanner Application Framework
+//
+// Copyright © 2019-2024 by Michael R Sweet.
+// Copyright © 2010-2019 by Apple Inc.
+//
+// Licensed under Apache License v2.0.  See the file "LICENSE" for more
+// information.
+//
+
+#ifndef _PAPPL_SCANNER_PRIVATE_H_
+#  define _PAPPL_SCANNER_PRIVATE_H_
+#  include "dnssd-private.h"
+#  include "scanner.h" // Changed to Scanner.h
+# include "printer.h" // Check later 
+#  include "log.h"
+#  ifdef __APPLE__
+#    include <sys/param.h>
+#    include <sys/mount.h>
+#  elif !_WIN32
+#    include <sys/statfs.h>
+#  endif // __APPLE__
+#  ifdef HAVE_SYS_RANDOM_H
+#    include <sys/random.h>
+#  endif // HAVE_SYS_RANDOM_H
+#  ifdef HAVE_GNUTLS_RND
+#    include <gnutls/gnutls.h>
+#    include <gnutls/crypto.h>
+#  endif // HAVE_GNUTLS_RND
+#  include "base-private.h"
+#  include "device.h"
+
+//
+// Types and structures...
+//
+
+struct _pappl_scanner_s			// Scanner data
+{
+  pthread_rwlock_t	rwlock;			// Reader/writer lock 
+  pappl_system_t	*system;		// Containing system
+  int			scanner_id;		// "scanner-id" value
+  char			*name,			// "scanner-name" value
+    *dns_sd_name,		// "scanner-dns-sd-name" value
+    *location,		// "scanner-location" value     
+    *geo_location,		// "scanner-geo-location" value (geo: URI) 
+    *organization,		// "scanner-organization" value  
+    *org_unit;		// "scanner-organizational-unit" value  
+
+  pappl_contact_t	contact;		// "scanner-contact" value 
+  char			*resource;		// Resource path of scanner
+  size_t		resourcelen;		// Length of resource path
+  char			*uriname;		// Name for URLs 
+  escl_sstate_t        state;			// "scanner-state" value    --> Replacement for ipp_pstate_t
+  pappl_sreason_t	state_reasons;		// "scanner-state-reasons" values --> Replacement for pappl_preason_t
+  time_t        state_time;		// "scanner-state-change-time" value
+  bool			is_accepting,		// Are we accepting scan jobs?
+    is_stopped,		// Are we stopping this scanner?
+    is_deleted;		// Has this scanner been deleted?
+
+  char			*device_id,		// "scanner-device-id" value
+    *device_uri;		// Device URI
+  pappl_device_t	*device;		// Current connection to device (if any)
+  bool			device_in_use;		// Is the device in use?
+  char			*driver_name;		// Driver name
+  pappl_sc_driver_data_t *driver_data;		// Driver data
+
+  time_t		start_time;		// Startup time
+  time_t		config_time;		// "scanner-config-change-time" value
+  time_t		status_time;		// Last time status was updated
+
+  pappl_job_t		*processing_job;	// Current scanning job, if any
+  bool			hold_new_jobs;		// Hold new scan jobs
+  int			next_job_id;		// Next "job-id" value
+
+  cups_array_t        *links;			// Web navigation links
+  #  ifdef HAVE_MDNSRESPONDER
+  _pappl_srv_t		dns_sd_http_ref,	// DNS-SD HTTP service
+
+  DNSRecordRef		dns_sd_escl_loc_ref,	// DNS-SD LOC record for ESCL service
+    dns_sd_escl_loc_ref;	// DNS-SD LOC record for ESCL service
+  #  elif defined(HAVE_AVAHI)
+  _pappl_srv_t		dns_sd_ref;		// DNS-SD services
+  #  endif // HAVE_MDNSRESPONDER
+  unsigned char		dns_sd_loc[16];		// DNS-SD LOC record data
+  bool			dns_sd_collision;	// Was there a name collision?
+  int			dns_sd_serial;		// DNS-SD serial number (for collisions)
+
+};
+
+//
+// Functions...
+//
+extern void		_papplScannerCheckJobsNoLock(pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern void		_papplScannerCleanJobsNoLock(pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern void		_papplScannerCopyAttributesNoLock(pappl_scanner_t *scanner, pappl_client_t *client, cups_array_t *ra, const char *format) _PAPPL_PRIVATE;
+
+extern void		_papplScannerDelete(pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern void		_papplScannerInitDriverData(pappl_sc_driver_data_t *d) _PAPPL_PRIVATE;
+extern bool		_papplScannerIsAuthorized(pappl_client_t *client) _PAPPL_PRIVATE;
+extern void		_papplScannerProcessESCL(pappl_client_t *client) _PAPPL_PRIVATE;
+extern bool		_papplScannerRegisterDNSSDNoLock(pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern bool		_papplScannerSetAttributes(pappl_client_t *client, pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern void		_papplScannerUnregisterDNSSDNoLock(pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+
+extern void		_papplScannerWebCancelAllJobs(pappl_client_t *client, pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern void		_papplScannerWebConfig(pappl_client_t *client, pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+
+extern void     _papplScannerWebConfigFinalize(pappl_scanner_t *scanner, cups_len_t num_form, cups_option_t *form) _PAPPL_PRIVATE;
+extern void		_papplScannerWebDefaults(pappl_client_t *client, pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern void		_papplScannerWebDelete(pappl_client_t *client, pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern void		_papplScannerWebHome(pappl_client_t *client, pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern void		_papplSannerWebIteratorCallback(pappl_scanner_t *scanner, pappl_client_t *client) _PAPPL_PRIVATE;
+extern void		_papplScannerWebJobs(pappl_client_t *client, pappl_scanner_t *scanner) _PAPPL_PRIVATE;
+extern void		_papplScannerWebMedia(pappl_client_t *client, pappl_scanner_t *printer) _PAPPL_PRIVATE;
+
+extern const char	*_papplScannerReasonString(pappl_sreason_t value) _PAPPL_PRIVATE;
+extern pappl_sreason_t	_papplScannerReasonValue(const char *value) _PAPPL_PRIVATE;
+
+#endif // !_PAPPL_SCANNER_PRIVATE_H_
diff --git a/pappl/scanner.h b/pappl/scanner.h
@@ -0,0 +1,198 @@
+//
+// Public scanner header file for the Scanner Application Framework
+//
+// Copyright © 2019-2022 by Michael R Sweet.
+//
+// Licensed under Apache License v2.0.  See the file "LICENSE" for more
+// information.
+//
+
+#ifndef _PAPPL_SCANNER_H_
+#  define _PAPPL_SCANNER_H_
+#  include "base.h"
+#  ifdef __cplusplus
+extern "C" {
+#  endif // __cplusplus
+
+
+//
+// Limits...
+//
+#define PAPPL_MAX_FORMATS 5 // Most scanners support up to 5 different document formats
+#define PAPPL_MAX_COLOR_MODES 3 // Most scanners support a few color modes: Black and White, Grayscale, Color
+#define PAPPL_MAX_SOURCES 2 // MOST scanners offer two input sources: Flatbed and ADF
+#define PAPPL_MAX_COLOR_SPACES 2 // Common color spaces like sRGB and AdobeRGB
+#define PAPPL_MAX_MEDIA_TYPES 5 // Various media types like Plain, Photo, Card, etc.
+
+//
+// Constants...
+//
+
+typedef enum 
+{
+  PAPPL_SSTATE_IDLE,       // Scanner is idle
+  PAPPL_SSTATE_PROCESSING, // Scanner is busy with some job or activity
+  PAPPL_SSTATE_TESTING,    // Scanner is calibrating, preparing the unit
+  PAPPL_SSTATE_STOPPED,    // Scanner stopped due to an error condition
+  PAPPL_SSTATE_DOWN        // Scanner is unavailable
+} escl_sstate_t;
+
+enum pappl_sreason_t
+{
+  PAPPL_SREASON_NONE = 0x0000,             // 'none', no error, scanner is ready
+  PAPPL_SREASON_IDLE = 0x0001,             // 'idle', scanner is idle
+  PAPPL_SREASON_PROCESSING = 0x0002,       // 'processing', scanner is currently processing a job
+  PAPPL_SREASON_TESTING = 0x0004,          // 'testing', scanner is in calibration or preparation mode
+  PAPPL_SREASON_STOPPED = 0x0008,          // 'stopped', an error has occurred and the scanner has stopped
+  PAPPL_SREASON_DOWN = 0x0010,             // 'down', the scanner is unavailable
+};
+
+// Define color modes supported by the scanner
+typedef enum {
+  BLACKANDWHITE1, // For black and white scans
+  GRAYSCALE8,  // For grayscale scans
+  RGB24       // For full color scans
+} pappl_sc_color_mode_t;
+
+// Define input sources for the scanner
+typedef enum {
+  FLATBED, // For flatbed scanners
+  ADF,     // For automatic dopappl_sc_input_source_t;cument feeder
+} 
+
+//
+// Callback functions...
+//
+typedef void (*pappl_sc_capabilities_cb_t)(pappl_scanner_t *scanner, pappl_sc_driver_data_t *data); // Callback for getting scanner capabilities
+typedef void (*pappl_sc_job_create_cb_t)(pappl_job_t *job, pappl_sc_options_t *options, pappl_device_t *device); // Callback for creating a scan job
+typedef void (*pappl_sc_job_delete_cb_t)(pappl_job_t *job); // Callback for deleting a scan job
+typedef bool (*pappl_sc_data_cb_t)(pappl_job_t *job, pappl_device_t *device, void *buffer, size_t bufsize); // Callback for getting scan data
+typedef void (*pappl_sc_status_cb_t)(pappl_scanner_t *scanner, pappl_sc_driver_data_t *data); // Callback for getting scanner status
+typedef bool (*pappl_sc_job_cancel_cb_t)(pappl_job_t *job); // Callback for cancelling a scan job
+typedef void (*pappl_sc_buffer_info_cb_t)(pappl_job_t *job, pappl_sc_options_t *options, pappl_device_t *device); // Callback for getting buffer information
+typedef void (*pappl_sc_image_info_cb_t)(pappl_job_t *job, pappl_device_t *device, void *data); // Callback for getting image information
+
+//
+// Structures
+//
+
+typedef struct pappl_sc_options_s		// Combined scan job options
+{
+  char document_format[64];			// Desired output format (JPEG, PDF, TIFF)
+  pappl_sc_color_mode_t color_mode;		// Color mode for the scan
+  int resolution;				// Scanning resolution in DPI
+  pappl_sc_input_source_t input_source;		// Selected input source
+  bool duplex;					// Duplex scanning option
+  struct {
+  int width;					// Width of the scan area
+  int height;					// Height of the scan area
+  int x_offset;				// X offset for the scan area
+  int y_offset;				// Y offset for the scan area
+  } scan_area;
+  struct {
+  int brightness;				// Brightness adjustment
+  int contrast;				// Contrast adjustment
+  int gamma;					// Gamma adjustment
+  int threshold;				// Threshold for black/white scans
+  } adjustments;
+  bool blank_page_removal;			// Automatically detect and remove blank pages
+  unsigned num_pages;				// Number of pages to scan (for ADF)
+} pappl_sc_options_t;
+
+typedef struct pappl_sc_driver_data_s
+{
+  pappl_sc_capabilities_cb_t capabilities_cb; // Callback for getting scanner capabilities
+  pappl_sc_job_create_cb_t job_create_cb; // Callback for creating a scan job
+  pappl_sc_job_delete_cb_t job_delete_cb; // Callback for deleting a scan job
+  pappl_sc_data_cb_t data_cb; // Callback for getting scan data
+  pappl_sc_status_cb_t status_cb; // Callback for getting scanner status
+  pappl_sc_job_cancel_cb_t job_cancel_cb; // Callback for cancelling a scan job
+  pappl_sc_buffer_info_cb_t buffer_info_cb; // Callback for getting buffer information
+  pappl_sc_image_info_cb_t image_info_cb; // Callback for getting image information
+
+  char			make_and_model[128]; // Make and model of the scanner
+  const char *document_formats_supported[PAPPL_MAX_FORMATS]; // Supported document formats (JPEG, PDF, TIFF)
+  pappl_sc_color_mode_t color_modes_supported[PAPPL_MAX_COLOR_MODES]; // Supported color modes (BlackAndWhite1, Grayscale8, RGB24)
+  int max_resolution;             // Maximum optical resolution in DPI
+  pappl_sc_input_source_t input_sources_supported[PAPPL_MAX_SOURCES]; // Supported input sources (Platen, Feeder)
+  bool duplex_supported;          // Duplex (double-sided) scanning support
+  const char *color_spaces_supported[PAPPL_MAX_COLOR_SPACES]; // Supported color spaces (sRGB, AdobeRGB)
+  int max_scan_area[2];           // Maximum scan area size (width, height)
+  const char *media_type_supported[PAPPL_MAX_MEDIA_TYPES]; // Types of media that can be scanned (Plain, Photo, Card)
+} pappl_sc_driver_data_t;
+
+//
+// Functions...
+//
+
+extern void		papplScannerAddLink(pappl_scanner_t *scanner, const char *label, const char *path_or_url, pappl_loptions_t options) _PAPPL_PUBLIC;
+
+extern void		papplScannerCancelAllJobs(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+
+extern void		papplScannerCloseDevice(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+
+extern pappl_scanner_t	*papplScannerCreate(pappl_system_t *system, int scanner_id, const char *scanner_name, const char *driver_name, const char *device_id, const char *device_uri) _PAPPL_PUBLIC;
+extern void		papplScannerDelete(pappl_Scanner_t *scanner) _PAPPL_PUBLIC;
+extern void		papplScannerDisable(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+extern void		papplScannerEnable(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+
+extern pappl_job_t	*papplScannerFindJob(pappl_scanner_t *scanner, int job_id) _PAPPL_PUBLIC;
+
+extern pappl_contact_t	*papplScannerGetContact(pappl_scanner_t *scanner, pappl_contact_t *contact) _PAPPL_PUBLIC;
+extern const char	*papplScannerGetDeviceID(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+extern const char	*papplScannerGetDeviceURI(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+extern char		*papplScannerGetDNSSDName(pappl_scanner_t *scanner, char *buffer, size_t bufsize) _PAPPL_PUBLIC;
+
+extern pappl_sc_driver_data_t		*papplScannerGetDriverData(pappl_scanner_t *scanner, pappl_sc_driver_data_t *data) _PAPPL_PUBLIC;
+extern const char	*papplScannerGetDriverName(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+extern char		*papplScannerGetGeoLocation(pappl_scanner_t *scanner, char *buffer, size_t bufsize) _PAPPL_PUBLIC;
+extern int		papplScannerGetID(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+extern char		*papplScannerGetLocation(pappl_scanner_t *scanner, char *buffer, size_t bufsize) _PAPPL_PUBLIC;
+
+extern const char	*papplScannerGetName(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+extern int		papplScannerGetNextJobID(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+
+extern char		*papplScannerGetOrganization(pappl_scanner_t *scanner, char *buffer, size_t bufsize) _PAPPL_PUBLIC;
+extern char		*papplScannerGetOrganizationalUnit(pappl_scanner_t *scanner, char *buffer, size_t bufsize) _PAPPL_PUBLIC;
+
+extern char		*papplScannerGetPath(pappl_scanner_t *scanner, const char *subpath, char *buffer, size_t bufsize) _PAPPL_PUBLIC;
+
+extern pappl_sreason_t	papplScannerGetReasons(pappl_printer_t *printer) _PAPPL_PUBLIC;
+extern escl_sstate_t 	papplScannerGetState(pappl_printer_t *printer) _PAPPL_PUBLIC;
+
+extern pappl_system_t	*papplScannerGetSystem(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+
+extern void		papplScannerHTMLFooter(pappl_client_t *client) _PAPPL_PUBLIC;
+extern void		papplScannerHTMLHeader(pappl_client_t *client, const char *title, int refresh) _PAPPL_PUBLIC;
+
+extern bool		papplScannerIsAcceptingJobs(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+extern bool		papplScannerIsDeleted(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+
+extern bool		papplScannerIsHoldingNewJobs(pappl_scanner_t *printer) _PAPPL_PUBLIC;
+
+extern pappl_device_t	*papplScannerOpenDevice(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+extern int		papplScannerOpenFile(pappl_scanner_t *scanner, char *fname, size_t fnamesize, const char *directory, const char *resname, const char *ext, const char *mode) _PAPPL_PUBLIC;
+
+extern void		papplScannerPause(pappl_scanner_t *printer) _PAPPL_PUBLIC;
+extern void		papplScannerRemoveLink(pappl_scanner_t *scanner, const char *label) _PAPPL_PUBLIC;
+extern void		papplScannerResume(pappl_scanner_t *scanner) _PAPPL_PUBLIC;
+
+
+extern void		papplScannerSetContact(pappl_scanner_t *scanner, pappl_contact_t *contact) _PAPPL_PUBLIC;
+extern void		papplScannerSetDNSSDName(pappl_scanner_t *scanner, const char *value) _PAPPL_PUBLIC;
+
+extern bool		papplScannerSetDriverData(pappl_scanner_t *scanner, pappl_sc_driver_data_t *data) _PAPPL_PUBLIC;
+extern bool		papplScannerSetDriverDefaults(pappl_scanner_t *scanner, pappl_sc_driver_data_t *data) _PAPPL_PUBLIC;
+
+extern void		papplScannerSetGeoLocation(pappl_scanner_t *scanner, const char *value) _PAPPL_PUBLIC;
+extern void		papplScannerSetLocation(pappl_scanner_t *scanner, const char *value) _PAPPL_PUBLIC;
+extern void		papplScannerSetNextJobID(pappl_scanner_t *scanner, int next_job_id) _PAPPL_PUBLIC;
+
+extern void		papplScannerSetOrganization(pappl_scanner_t *scanner, const char *value) _PAPPL_PUBLIC;
+extern void		papplScannerSetOrganizationalUnit(pappl_scanner_t *scanner, const char *value) _PAPPL_PUBLIC;
+extern void		papplScannerSetReasons(pappl_scanner_t *scanner, pappl_sreason_t add, pappl_sreason_t remove) _PAPPL_PUBLIC;
+
+#  ifdef __cplusplus
+}
+#  endif // __cplusplus
+#endif // !_PAPPL_SCANNER_H_