Deliver aggregate SMTP TLS reports

include/bongotlsrpt.h

@@ -96,6 +96,25 @@ typedef struct BongoTlsRptEvent {
 
 typedef struct BongoTlsRptStore BongoTlsRptStore;
 
+typedef struct BongoTlsRptDelivery {
+    int64_t id;
+    int endpoint_type;
+    int attempts;
+    int64_t day_start;
+    int64_t created_at;
+    int64_t expires_at;
+    char report_domain[BONGO_TLSRPT_DOMAIN_SIZE];
+    char report_id[BONGO_TLSRPT_DOMAIN_SIZE * 2];
+    char endpoint_uri[BONGO_TLSRPT_URI_SIZE];
+    char *json;
+} BongoTlsRptDelivery;
+
+typedef enum BongoTlsRptDeliveryResult {
+    BONGO_TLSRPT_DELIVERY_RETRY = 0,
+    BONGO_TLSRPT_DELIVERY_SUCCESS = 1,
+    BONGO_TLSRPT_DELIVERY_PERMANENT_FAILURE = 2
+} BongoTlsRptDeliveryResult;
+
 /* Parse one complete TXT value after DNS character-string concatenation. */
 int BongoTlsRptParseRecord(const char *record, BongoTlsRptDnsPolicy *policy);
 
@@ -127,6 +146,34 @@ int BongoTlsRptStoreDeleteReport(BongoTlsRptStore *store,
                                  int64_t day_start,
                                  const char *reporting_policy);
 
+/*
+ * Atomically turn the oldest completed reporting-policy group into one
+ * durable delivery per RUA endpoint.  The corresponding event rows are
+ * removed in the same SQLite write transaction, so events recorded after
+ * the snapshot cannot be lost.  Returns 1 when a batch was prepared, 0 when
+ * no complete day is available, and -1 on error.
+ */
+int BongoTlsRptStorePrepareNext(BongoTlsRptStore *store,
+                                int64_t before_day_start,
+                                const char *organization_name,
+                                const char *contact_info,
+                                const char *submitter,
+                                int64_t now,
+                                int64_t initial_not_before);
+
+/* Returns 1 for a due delivery, 0 when none is due, and -1 on error. */
+int BongoTlsRptStoreNextDelivery(BongoTlsRptStore *store, int64_t now,
+                                 BongoTlsRptDelivery *delivery,
+                                 int64_t *next_not_before);
+void BongoTlsRptDeliveryFree(BongoTlsRptDelivery *delivery);
+
+int BongoTlsRptStoreFinishDelivery(BongoTlsRptStore *store,
+                                    int64_t delivery_id,
+                                    BongoTlsRptDeliveryResult result,
+                                    int64_t next_attempt,
+                                    const char *error);
+int BongoTlsRptStoreCleanupExpired(BongoTlsRptStore *store, int64_t now);
+
 const char *BongoTlsRptPolicyTypeName(BongoTlsRptPolicyType type);
 const char *BongoTlsRptResultTypeName(BongoTlsRptResultType type);