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1 | /* | |
2 | * "$Id$" | |
3 | * | |
4 | * Subscription definitions for the CUPS scheduler. | |
5 | * | |
6 | * Copyright 2007-2010 by Apple Inc. | |
7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. | |
8 | * | |
9 | * These coded instructions, statements, and computer programs are the | |
10 | * property of Apple Inc. and are protected by Federal copyright | |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
14 | */ | |
15 | ||
16 | /* | |
17 | * Event mask enumeration... | |
18 | */ | |
19 | ||
20 | typedef enum | |
21 | { | |
22 | /* Individual printer events... */ | |
23 | CUPSD_EVENT_PRINTER_STATE = 0x0001, /* Sent after generic printer state change */ | |
24 | CUPSD_EVENT_PRINTER_RESTARTED = 0x0002, | |
25 | /* Sent after printer restarted */ | |
26 | CUPSD_EVENT_PRINTER_SHUTDOWN = 0x0004,/* Sent after printer shutdown */ | |
27 | CUPSD_EVENT_PRINTER_STOPPED = 0x0008, /* Sent after printer stopped */ | |
28 | ||
29 | CUPSD_EVENT_PRINTER_CONFIG = 0x0010, /* Send after add/modify changes attrs */ | |
30 | CUPSD_EVENT_PRINTER_FINISHINGS_CHANGED = 0x0020, | |
31 | /* Sent after finishings-supported changed */ | |
32 | CUPSD_EVENT_PRINTER_MEDIA_CHANGED = 0x0040, | |
33 | /* Sent after media-supported changed */ | |
34 | CUPSD_EVENT_PRINTER_ADDED = 0x0080, /* Sent after printer added */ | |
35 | CUPSD_EVENT_PRINTER_DELETED = 0x0100, /* Sent after printer deleted */ | |
36 | CUPSD_EVENT_PRINTER_MODIFIED = 0x0200,/* Sent after printer modified */ | |
37 | CUPSD_EVENT_PRINTER_QUEUE_ORDER_CHANGED = 0x0400, | |
38 | /* Sent when the order of jobs is changed */ | |
39 | ||
40 | /* Convenience printer event groupings... */ | |
41 | CUPSD_EVENT_PRINTER_STATE_CHANGED = 0x000f, | |
42 | /* STATE + RESTARTED + SHUTDOWN + STOPPED */ | |
43 | CUPSD_EVENT_PRINTER_CONFIG_CHANGED = 0x0070, | |
44 | /* CONFIG + FINISHINGS_CHANGED + MEDIA_CHANGED */ | |
45 | CUPSD_EVENT_PRINTER_CHANGED = 0x07ff, /* All of the above */ | |
46 | ||
47 | /* Individual job events... */ | |
48 | CUPSD_EVENT_JOB_STATE = 0x0800, /* Any state change */ | |
49 | CUPSD_EVENT_JOB_CREATED = 0x1000, /* Send after job is created */ | |
50 | CUPSD_EVENT_JOB_COMPLETED = 0x2000, /* Sent after job is completed */ | |
51 | CUPSD_EVENT_JOB_STOPPED = 0x4000, /* Sent after job is stopped */ | |
52 | CUPSD_EVENT_JOB_CONFIG_CHANGED = 0x8000, | |
53 | /* Sent after set-job-attributes */ | |
54 | CUPSD_EVENT_JOB_PROGRESS = 0x10000, /* Sent for each page */ | |
55 | ||
56 | /* Convenience job event grouping... */ | |
57 | CUPSD_EVENT_JOB_STATE_CHANGED = 0x7800, | |
58 | /* STATE + CREATED + COMPLETED + STOPPED */ | |
59 | ||
60 | /* Server events... */ | |
61 | CUPSD_EVENT_SERVER_RESTARTED = 0x20000,/* Sent after server restarts */ | |
62 | CUPSD_EVENT_SERVER_STARTED = 0x40000, /* Sent when server first starts */ | |
63 | CUPSD_EVENT_SERVER_STOPPED = 0x80000, /* Sent when server is stopped */ | |
64 | CUPSD_EVENT_SERVER_AUDIT = 0x100000, /* Security-related stuff */ | |
65 | ||
66 | /* Everything and nothing... */ | |
67 | CUPSD_EVENT_NONE = 0, /* Nothing */ | |
68 | CUPSD_EVENT_ALL = 0x1fffff /* Everything */ | |
69 | } cupsd_eventmask_t; | |
70 | ||
71 | ||
72 | /* | |
73 | * Notiification support structures... | |
74 | */ | |
75 | ||
76 | typedef struct cupsd_event_s /**** Event structure ****/ | |
77 | { | |
78 | cupsd_eventmask_t event; /* Event */ | |
79 | time_t time; /* Time of event */ | |
80 | ipp_t *attrs; /* Notification message */ | |
81 | cupsd_printer_t *dest; /* Associated printer, if any */ | |
82 | cupsd_job_t *job; /* Associated job, if any */ | |
83 | } cupsd_event_t; | |
84 | ||
85 | typedef struct cupsd_subscription_s /**** Subscription structure ****/ | |
86 | { | |
87 | int id; /* subscription-id */ | |
88 | unsigned mask; /* Event mask */ | |
89 | char *owner; /* notify-subscriber-user-name */ | |
90 | char *recipient; /* notify-recipient-uri, if applicable */ | |
91 | unsigned char user_data[64]; /* notify-user-data */ | |
92 | int user_data_len; /* Length of notify-user-data */ | |
93 | int lease; /* notify-lease-duration */ | |
94 | int interval; /* notify-time-interval */ | |
95 | cupsd_printer_t *dest; /* notify-printer-uri, if any */ | |
96 | cupsd_job_t *job; /* notify-job-id, if any */ | |
97 | int pid; /* Process ID of notifier */ | |
98 | int pipe; /* Pipe to notifier */ | |
99 | int status; /* Exit status of notifier */ | |
100 | time_t last; /* Time of last notification */ | |
101 | time_t expire; /* Lease expiration time */ | |
102 | int first_event_id, /* First event-id in cache */ | |
103 | next_event_id; /* Next event-id to use */ | |
104 | cups_array_t *events; /* Cached events */ | |
105 | } cupsd_subscription_t; | |
106 | ||
107 | ||
108 | /* | |
109 | * Globals... | |
110 | */ | |
111 | ||
112 | VAR int MaxSubscriptions VALUE(100), | |
113 | /* Overall subscription limit */ | |
114 | MaxSubscriptionsPerJob VALUE(0), | |
115 | /* Per-job subscription limit */ | |
116 | MaxSubscriptionsPerPrinter VALUE(0), | |
117 | /* Per-printer subscription limit */ | |
118 | MaxSubscriptionsPerUser VALUE(0), | |
119 | /* Per-user subscription limit */ | |
120 | NextSubscriptionId VALUE(1), | |
121 | /* Next subscription ID */ | |
122 | DefaultLeaseDuration VALUE(86400), | |
123 | /* Default notify-lease-duration */ | |
124 | MaxLeaseDuration VALUE(0); | |
125 | /* Maximum notify-lease-duration */ | |
126 | VAR cups_array_t *Subscriptions VALUE(NULL); | |
127 | /* Active subscriptions */ | |
128 | ||
129 | VAR int MaxEvents VALUE(100); /* Maximum number of events */ | |
130 | ||
131 | VAR unsigned LastEvent VALUE(0); /* Last event(s) processed */ | |
132 | VAR int NotifierPipes[2] VALUE2(-1, -1); | |
133 | /* Pipes for notifier error/debug output */ | |
134 | VAR cupsd_statbuf_t *NotifierStatusBuffer VALUE(NULL); | |
135 | /* Status buffer for pipes */ | |
136 | ||
137 | ||
138 | /* | |
139 | * Prototypes... | |
140 | */ | |
141 | ||
142 | extern void cupsdAddEvent(cupsd_eventmask_t event, cupsd_printer_t *dest, | |
143 | cupsd_job_t *job, const char *text, ...); | |
144 | extern cupsd_subscription_t * | |
145 | cupsdAddSubscription(unsigned mask, cupsd_printer_t *dest, | |
146 | cupsd_job_t *job, const char *uri, | |
147 | int sub_id); | |
148 | extern void cupsdDeleteAllSubscriptions(void); | |
149 | extern void cupsdDeleteSubscription(cupsd_subscription_t *sub, int update); | |
150 | extern const char * | |
151 | cupsdEventName(cupsd_eventmask_t event); | |
152 | extern cupsd_eventmask_t | |
153 | cupsdEventValue(const char *name); | |
154 | ||
155 | extern cupsd_subscription_t * | |
156 | cupsdFindSubscription(int id); | |
157 | extern void cupsdExpireSubscriptions(cupsd_printer_t *dest, | |
158 | cupsd_job_t *job); | |
159 | extern void cupsdLoadAllSubscriptions(void); | |
160 | extern void cupsdSaveAllSubscriptions(void); | |
161 | extern void cupsdStopAllNotifiers(void); | |
162 | ||
163 | ||
164 | /* | |
165 | * End of "$Id$". | |
166 | */ |