1 files changed, 92 insertions, 0 deletions
diff --git a/aclk/legacy/aclk_lws_wss_client.h b/aclk/legacy/aclk_lws_wss_client.h
new file mode 100644
index 0000000..584a3cf
--- /dev/null
+++ b/aclk/legacy/aclk_lws_wss_client.h
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef ACLK_LWS_WSS_CLIENT_H
+#define ACLK_LWS_WSS_CLIENT_H
+
+#include <libwebsockets.h>
+
+#include "libnetdata/libnetdata.h"
+
+// This is as define because ideally the ACLK at high level
+// can do mosqitto writes and reads only from one thread
+// which is cleaner implementation IMHO
+// in such case this mutexes are not necessarry and life
+// is simpler
+#define ACLK_LWS_MOSQUITTO_IO_CALLS_MULTITHREADED 1
+
+#define ACLK_LWS_WSS_RECV_BUFF_SIZE_BYTES (128 * 1024)
+
+#define ACLK_LWS_CALLBACK_HISTORY 10
+
+#ifdef ACLK_LWS_MOSQUITTO_IO_CALLS_MULTITHREADED
+#define aclk_lws_mutex_init(x) netdata_mutex_init(x)
+#define aclk_lws_mutex_lock(x) netdata_mutex_lock(x)
+#define aclk_lws_mutex_unlock(x) netdata_mutex_unlock(x)
+#else
+#define aclk_lws_mutex_init(x)
+#define aclk_lws_mutex_lock(x)
+#define aclk_lws_mutex_unlock(x)
+#endif
+
+struct aclk_lws_wss_engine_callbacks {
+    void (*connection_established_callback)();
+    void (*data_rcvd_callback)();
+    void (*data_writable_callback)();
+    void (*connection_closed)();
+};
+
+struct lws_wss_packet_buffer {
+    unsigned char *data;
+    size_t data_size, written;
+    struct lws_wss_packet_buffer *next;
+};
+
+struct aclk_lws_wss_engine_instance {
+    //target host/port for connection
+    char *host;
+    int port;
+
+    //internal data
+    struct lws_context *lws_context;
+    struct lws *lws_wsi;
+
+#ifdef ACLK_LWS_MOSQUITTO_IO_CALLS_MULTITHREADED
+    netdata_mutex_t write_buf_mutex;
+    netdata_mutex_t read_buf_mutex;
+#endif
+
+    struct lws_wss_packet_buffer *write_buffer_head;
+    struct lws_ring *read_ringbuffer;
+
+    //flags to be readed by engine user
+    int websocket_connection_up;
+
+    // currently this is by default disabled
+
+    int data_to_read;
+    int upstream_reconnect_request;
+
+    int lws_callback_history[ACLK_LWS_CALLBACK_HISTORY];
+};
+
+void aclk_lws_wss_client_destroy();
+void aclk_lws_wss_destroy_context();
+
+int aclk_lws_wss_connect(char *host, int port);
+
+int aclk_lws_wss_client_write(void *buf, size_t count);
+int aclk_lws_wss_client_read(void *buf, size_t count);
+void aclk_lws_wss_service_loop();
+
+void aclk_lws_wss_mqtt_layer_disconect_notif();
+
+// Notifications inside the layer above
+void aclk_lws_connection_established();
+void aclk_lws_connection_data_received();
+void aclk_lws_connection_closed();
+void lws_wss_check_queues(size_t *write_len, size_t *write_len_bytes, size_t *read_len);
+
+void aclk_wss_set_proxy(struct lws_vhost *vhost);
+
+#define FRAGMENT_SIZE 4096
+#endif