1 files changed, 100 insertions, 0 deletions
diff --git a/aclk/aclk.h b/aclk/aclk.h
new file mode 100644
index 000000000..29626c7f4
--- /dev/null
+++ b/aclk/aclk.h
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+#ifndef ACLK_H
+#define ACLK_H
+
+typedef struct aclk_rrdhost_state {
+    char *claimed_id; // Claimed ID if host has one otherwise NULL
+} aclk_rrdhost_state;
+
+#include "../daemon/common.h"
+#include "aclk_util.h"
+
+// minimum and maximum supported version of ACLK
+// in this version of agent
+#define ACLK_VERSION_MIN 2
+#define ACLK_VERSION_MAX 2
+
+// Version negotiation messages have they own versioning
+// this is also used for LWT message as we set that up
+// before version negotiation
+#define ACLK_VERSION_NEG_VERSION 1
+
+// Maximum time to wait for version negotiation before aborting
+// and defaulting to oldest supported version
+#define VERSION_NEG_TIMEOUT 3
+
+#if ACLK_VERSION_MIN > ACLK_VERSION_MAX
+#error "ACLK_VERSION_MAX must be >= than ACLK_VERSION_MIN"
+#endif
+
+// Define ACLK Feature Version Boundaries Here
+#define ACLK_V_COMPRESSION 2
+
+// How many MQTT PUBACKs we need to get to consider connection
+// stable for the purposes of TBEB (truncated binary exponential backoff)
+#define ACLK_PUBACKS_CONN_STABLE 3
+
+// TODO get rid of this shit
+extern int aclk_disable_runtime;
+extern int aclk_disable_single_updates;
+extern int aclk_kill_link;
+extern int aclk_connected;
+
+extern usec_t aclk_session_us;
+extern time_t aclk_session_sec;
+
+void *aclk_main(void *ptr);
+void aclk_single_update_disable();
+void aclk_single_update_enable();
+
+#define NETDATA_ACLK_HOOK                                                                                              \
+    { .name = "ACLK_Main",                                                                                             \
+      .config_section = NULL,                                                                                          \
+      .config_name = NULL,                                                                                             \
+      .enabled = 1,                                                                                                    \
+      .thread = NULL,                                                                                                  \
+      .init_routine = NULL,                                                                                            \
+      .start_routine = aclk_main },
+
+extern netdata_mutex_t aclk_shared_state_mutex;
+#define ACLK_SHARED_STATE_LOCK netdata_mutex_lock(&aclk_shared_state_mutex)
+#define ACLK_SHARED_STATE_UNLOCK netdata_mutex_unlock(&aclk_shared_state_mutex)
+
+typedef enum aclk_agent_state {
+    AGENT_INITIALIZING,
+    AGENT_STABLE
+} ACLK_AGENT_STATE;
+extern struct aclk_shared_state {
+    ACLK_AGENT_STATE agent_state;
+    time_t last_popcorn_interrupt;
+
+    // read only while ACLK connected
+    // protect by lock otherwise
+    int version_neg;
+    usec_t version_neg_wait_till;
+
+    // To wait for `disconnect` message PUBACK
+    // when shuting down
+    // at the same time if > 0 we know link is
+    // shutting down
+    int mqtt_shutdown_msg_id;
+    int mqtt_shutdown_msg_rcvd;
+} aclk_shared_state;
+
+void aclk_alarm_reload(void);
+int aclk_update_alarm(RRDHOST *host, ALARM_ENTRY *ae);
+
+// TODO this is for bacward compatibility with ACLK legacy
+#define ACLK_CMD_CHART 1
+#define ACLK_CMD_CHARTDEL 0
+/* Informs ACLK about created/deleted chart
+ * @param create 0 - if chart was deleted, other if chart created
+ */
+int aclk_update_chart(RRDHOST *host, char *chart_name, int create);
+
+void aclk_add_collector(RRDHOST *host, const char *plugin_name, const char *module_name);
+void aclk_del_collector(RRDHOST *host, const char *plugin_name, const char *module_name);
+
+struct label *add_aclk_host_labels(struct label *label);
+
+#endif /* ACLK_H */