blob: 00d51c3985bfd6565a67cc31930dcc3e6cc77af0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
#ifndef ACLK_LWS_WSS_CLIENT_H
#define ACLK_LWS_WSS_CLIENT_H
#include <libwebsockets.h>
#include "libnetdata/libnetdata.h"
#define ACLK_LWS_WSS_RECONNECT_TIMEOUT 5
// 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
#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)();
};
struct lws_wss_packet_buffer;
struct aclk_lws_wss_engine_instance {
//target host/port for connection
const 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;
struct aclk_lws_wss_engine_callbacks callbacks;
//flags to be readed by engine user
int websocket_connection_up;
// currently this is by default disabled
// as decision has been made that reconnection
// will have to be done from top layer
// (after getting the new MQTT auth data)
// for now i keep it here as it is usefull for
// some of my internall testing
#ifdef AUTO_RECONNECT_ON_LWS_LAYER
int reconnect_timeout_running;
#endif
int data_to_read;
int upstream_reconnect_request;
};
struct aclk_lws_wss_engine_instance* aclk_lws_wss_client_init (const struct aclk_lws_wss_engine_callbacks *callbacks, const char *target_hostname, int target_port);
void aclk_lws_wss_client_destroy(struct aclk_lws_wss_engine_instance* inst);
int aclk_lws_wss_client_write(struct aclk_lws_wss_engine_instance *inst, void *buf, size_t count);
int aclk_lws_wss_client_read (struct aclk_lws_wss_engine_instance *inst, void *buf, size_t count);
int aclk_lws_wss_service_loop(struct aclk_lws_wss_engine_instance *inst);
void aclk_lws_wss_mqtt_layer_disconect_notif(struct aclk_lws_wss_engine_instance *inst);
#endif
|
