Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/plugins/quota/quota-private.h @ 9380:fe063e0d7109 HEAD

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maildir quota: Limits weren't read early enough from maildirsize file.
author Timo Sirainen <tss@iki.fi>
date Sun, 13 Sep 2009 18:36:09 -0400
parents 16c286aee307
children a9b469e1c8de
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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e4eb71ae8e96 Changed .h ifdef/defines to use <NAME>_H format.
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1 #ifndef QUOTA_PRIVATE_H
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2 #define QUOTA_PRIVATE_H
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3
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4 #include "mail-storage-private.h"
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5 #include "quota.h"
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6
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7 /* Modules should use do "my_id = quota_module_id++" and
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8 use quota_module_contexts[id] for their own purposes. */
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9 extern unsigned int quota_module_id;
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10
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11 struct quota {
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12 struct mail_user *user;
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13 struct quota_settings *set;
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14
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15 ARRAY_DEFINE(roots, struct quota_root *);
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16 ARRAY_DEFINE(storages, struct mail_storage *);
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17 };
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18
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19 struct quota_settings {
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20 pool_t pool;
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21
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22 ARRAY_DEFINE(root_sets, struct quota_root_settings *);
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23 int (*test_alloc)(struct quota_transaction_context *ctx,
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24 uoff_t size, bool *too_large_r);
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25
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26 const char *quota_exceeded_msg;
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27 unsigned int debug:1;
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28 };
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29
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30 struct quota_rule {
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31 const char *mailbox_name;
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32
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33 int64_t bytes_limit, count_limit;
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34 /* relative to default_rule */
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35 unsigned int bytes_percent, count_percent;
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36
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37 /* Don't include this mailbox in quota */
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38 unsigned int ignore:1;
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39 };
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40
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41 struct quota_warning_rule {
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42 struct quota_rule rule;
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43
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44 const char *command;
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45 };
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46
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47 struct quota_backend_vfuncs {
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48 struct quota_root *(*alloc)(void);
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49 int (*init)(struct quota_root *root, const char *args);
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50 void (*deinit)(struct quota_root *root);
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51
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52 bool (*parse_rule)(struct quota_root_settings *root_set,
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53 struct quota_rule *rule,
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54 const char *str, const char **error_r);
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55 int (*init_limits)(struct quota_root *root);
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56
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57 /* called once for each backend */
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58 void (*storage_added)(struct quota *quota,
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59 struct mail_storage *storage);
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60
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61 const char *const *(*get_resources)(struct quota_root *root);
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62 int (*get_resource)(struct quota_root *root,
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63 const char *name, uint64_t *value_r);
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64
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65 int (*update)(struct quota_root *root,
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66 struct quota_transaction_context *ctx);
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67 bool (*match_box)(struct quota_root *root, struct mailbox *box);
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68
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69 };
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70
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71 struct quota_backend {
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72 /* quota backends equal if backend1.name == backend2.name */
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73 const char *name;
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74 struct quota_backend_vfuncs v;
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75 };
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76
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77 struct quota_root_settings {
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78 /* Unique quota root name. */
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79 const char *name;
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80
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81 struct quota_settings *set;
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82 const char *args;
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83
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84 const struct quota_backend *backend;
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85 struct quota_rule default_rule;
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86 ARRAY_DEFINE(rules, struct quota_rule);
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87 ARRAY_DEFINE(warning_rules, struct quota_warning_rule);
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88
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89 /* Limits in default_rule override backend's quota limits */
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90 unsigned int force_default_rule:1;
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91 };
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92
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93 struct quota_root {
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94 pool_t pool;
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95
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96 struct quota_root_settings *set;
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97 struct quota *quota;
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98 struct quota_backend backend;
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99
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100 /* this quota root applies only to this namespace. it may also be
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101 a public namespace without an owner. */
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102 struct mail_namespace *ns;
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103 /* this is set in quota init(), because namespaces aren't known yet */
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104 const char *ns_prefix;
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105
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106 /* initially the same as set->default_rule.*_limit, but some backends
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107 may change these by reading the limits elsewhere (e.g. Maildir++,
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108 FS quota) */
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109 int64_t bytes_limit, count_limit;
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110 /* 1 = quota root has resources and should be returned when iterating
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111 quota roots, 0 = not, -1 = unknown. */
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112 int resource_ret;
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113
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114 /* Module-specific contexts. See quota_module_id. */
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115 ARRAY_DEFINE(quota_module_contexts, void);
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116
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117 /* don't enforce quota when saving */
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118 unsigned int no_enforcing:1;
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119 };
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120
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121 struct quota_transaction_context {
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122 union mailbox_transaction_module_context module_ctx;
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123
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124 struct quota *quota;
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125 struct mailbox *box;
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126
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127 int64_t bytes_used, count_used;
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128 uint64_t bytes_left, count_left;
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129
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130 struct mail *tmp_mail;
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131
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132 unsigned int limits_set:1;
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133 unsigned int failed:1;
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134 unsigned int recalculate:1;
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135 };
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136
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137 /* Register storage to all user's quota roots. */
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138 void quota_add_user_storage(struct quota *quota, struct mail_storage *storage);
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139 void quota_remove_user_storage(struct mail_storage *storage);
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140
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141 struct quota *quota_get_mail_user_quota(struct mail_user *user);
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142
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143 bool quota_root_is_storage_visible(struct quota_root *root,
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144 struct mail_storage *storage);
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145 struct quota_rule *
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146 quota_root_rule_find(struct quota_root_settings *root_set, const char *name);
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147
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148 void quota_root_recalculate_relative_rules(struct quota_root_settings *root_set);
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149 int quota_count(struct quota_root *root, uint64_t *bytes_r, uint64_t *count_r);
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150
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151 #endif