1 files changed, 82 insertions, 0 deletions
diff --git a/fluent-bit/plugins/in_systemd/systemd_config.h b/fluent-bit/plugins/in_systemd/systemd_config.h
new file mode 100644
index 000000000..db5c4cf53
--- /dev/null
+++ b/fluent-bit/plugins/in_systemd/systemd_config.h
@@ -0,0 +1,82 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2015-2022 The Fluent Bit Authors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef FLB_SYSTEMD_CONFIG_H
+#define FLB_SYSTEMD_CONFIG_H
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_input.h>
+#include <fluent-bit/flb_config.h>
+#include <fluent-bit/flb_sqldb.h>
+#include <fluent-bit/flb_log_event_encoder.h>
+
+#include <systemd/sd-journal.h>
+
+/* return values */
+#define FLB_SYSTEMD_ERROR   -1 /* Systemd journal file read error. */
+#define FLB_SYSTEMD_NONE     0
+#define FLB_SYSTEMD_OK       1
+#define FLB_SYSTEMD_MORE     2
+#define FLB_SYSTEMD_BUSY     3
+
+/* constants */
+#define FLB_SYSTEMD_UNIT     "_SYSTEMD_UNIT"
+#define FLB_SYSTEMD_UNKNOWN  "unknown"
+#define FLB_SYSTEMD_MAX_FIELDS   "8000"
+#define FLB_SYSTEMD_MAX_ENTRIES  "5000"
+
+/* Input configuration & context */
+struct flb_systemd_config {
+    /* Journal */
+    int fd;              /* Journal file descriptor */
+    sd_journal *j;       /* Journal context */
+    char *cursor;
+    flb_sds_t path;
+    flb_sds_t filter_type; /* sysytemd filter type: and|or */
+    struct mk_list *systemd_filters;
+    int pending_records;
+    int read_from_tail;  /* read_from_tail option */
+    int lowercase;
+    int strip_underscores;
+
+    /* Internal */
+    int ch_manager[2];         /* pipe: channel manager    */
+    int coll_fd_archive;       /* archive collector        */
+    int coll_fd_journal;       /* journal, events mode     */
+    int coll_fd_pending;       /* pending records          */
+    int dynamic_tag;
+    int max_fields;            /* max number of fields per record */
+    int max_entries;           /* max number of records per iteration */
+
+#ifdef FLB_HAVE_SQLDB
+    flb_sds_t db_path;
+    struct flb_sqldb *db;
+    flb_sds_t db_sync_mode;
+    int db_sync;
+    sqlite3_stmt *stmt_cursor;
+#endif
+    struct flb_input_instance *ins;
+    struct flb_log_event_encoder *log_encoder;
+};
+
+struct flb_systemd_config *flb_systemd_config_create(struct flb_input_instance *i_ins,
+                                                     struct flb_config *config);
+
+int flb_systemd_config_destroy(struct flb_systemd_config *ctx);
+#endif