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// SPDX-License-Identifier: GPL-3.0-or-later
#include "aclk_tx_msgs.h"
#include "daemon/common.h"
#include "aclk_util.h"
#include "aclk_stats.h"
#include "aclk.h"
#ifndef __GNUC__
#pragma region aclk_tx_msgs helper functions
#endif
// version for aclk legacy (old cloud arch)
#define ACLK_VERSION 2
static void aclk_send_message_subtopic(mqtt_wss_client client, json_object *msg, enum aclk_topics subtopic)
{
uint16_t packet_id;
const char *str = json_object_to_json_string_ext(msg, JSON_C_TO_STRING_PLAIN);
const char *topic = aclk_get_topic(subtopic);
if (unlikely(!topic)) {
error("Couldn't get topic. Aborting mesage send");
return;
}
mqtt_wss_publish_pid(client, topic, str, strlen(str), MQTT_WSS_PUB_QOS1, &packet_id);
#ifdef NETDATA_INTERNAL_CHECKS
aclk_stats_msg_published(packet_id);
#endif
#ifdef ACLK_LOG_CONVERSATION_DIR
#define FN_MAX_LEN 1024
char filename[FN_MAX_LEN];
snprintf(filename, FN_MAX_LEN, ACLK_LOG_CONVERSATION_DIR "/%010d-tx.json", ACLK_GET_CONV_LOG_NEXT());
json_object_to_file_ext(filename, msg, JSON_C_TO_STRING_PRETTY);
#endif
}
uint16_t aclk_send_bin_message_subtopic_pid(mqtt_wss_client client, char *msg, size_t msg_len, enum aclk_topics subtopic, const char *msgname)
{
#ifndef ACLK_LOG_CONVERSATION_DIR
UNUSED(msgname);
#endif
uint16_t packet_id;
const char *topic = aclk_get_topic(subtopic);
if (unlikely(!topic)) {
error("Couldn't get topic. Aborting message send.");
return 0;
}
mqtt_wss_publish_pid(client, topic, msg, msg_len, MQTT_WSS_PUB_QOS1, &packet_id);
#ifdef NETDATA_INTERNAL_CHECKS
aclk_stats_msg_published(packet_id);
#endif
#ifdef ACLK_LOG_CONVERSATION_DIR
#define FN_MAX_LEN 1024
char filename[FN_MAX_LEN];
snprintf(filename, FN_MAX_LEN, ACLK_LOG_CONVERSATION_DIR "/%010d-tx-%s.bin", ACLK_GET_CONV_LOG_NEXT(), msgname);
FILE *fptr;
if (fptr = fopen(filename,"w")) {
fwrite(msg, msg_len, 1, fptr);
fclose(fptr);
}
#endif
return packet_id;
}
static uint16_t aclk_send_message_subtopic_pid(mqtt_wss_client client, json_object *msg, enum aclk_topics subtopic)
{
uint16_t packet_id;
const char *str = json_object_to_json_string_ext(msg, JSON_C_TO_STRING_PLAIN);
const char *topic = aclk_get_topic(subtopic);
if (unlikely(!topic)) {
error("Couldn't get topic. Aborting mesage send");
return 0;
}
mqtt_wss_publish_pid(client, topic, str, strlen(str), MQTT_WSS_PUB_QOS1, &packet_id);
#ifdef NETDATA_INTERNAL_CHECKS
aclk_stats_msg_published(packet_id);
#endif
#ifdef ACLK_LOG_CONVERSATION_DIR
#define FN_MAX_LEN 1024
char filename[FN_MAX_LEN];
snprintf(filename, FN_MAX_LEN, ACLK_LOG_CONVERSATION_DIR "/%010d-tx.json", ACLK_GET_CONV_LOG_NEXT());
json_object_to_file_ext(filename, msg, JSON_C_TO_STRING_PRETTY);
#endif
return packet_id;
}
/* UNUSED now but can be used soon MVP1?
static void aclk_send_message_topic(mqtt_wss_client client, json_object *msg, const char *topic)
{
if (unlikely(!topic || topic[0] != '/')) {
error ("Full topic required!");
return;
}
const char *str = json_object_to_json_string_ext(msg, JSON_C_TO_STRING_PLAIN);
mqtt_wss_publish(client, topic, str, strlen(str), MQTT_WSS_PUB_QOS1);
#ifdef NETDATA_INTERNAL_CHECKS
aclk_stats_msg_published();
#endif
#ifdef ACLK_LOG_CONVERSATION_DIR
#define FN_MAX_LEN 1024
char filename[FN_MAX_LEN];
snprintf(filename, FN_MAX_LEN, ACLK_LOG_CONVERSATION_DIR "/%010d-tx.json", ACLK_GET_CONV_LOG_NEXT());
json_object_to_file_ext(filename, msg, JSON_C_TO_STRING_PRETTY);
#endif
}
*/
#define TOPIC_MAX_LEN 512
#define V2_BIN_PAYLOAD_SEPARATOR "\x0D\x0A\x0D\x0A"
static void aclk_send_message_with_bin_payload(mqtt_wss_client client, json_object *msg, const char *topic, const void *payload, size_t payload_len)
{
uint16_t packet_id;
const char *str;
char *full_msg;
int len;
if (unlikely(!topic || topic[0] != '/')) {
error ("Full topic required!");
return;
}
str = json_object_to_json_string_ext(msg, JSON_C_TO_STRING_PLAIN);
len = strlen(str);
full_msg = mallocz(len + strlen(V2_BIN_PAYLOAD_SEPARATOR) + payload_len);
memcpy(full_msg, str, len);
memcpy(&full_msg[len], V2_BIN_PAYLOAD_SEPARATOR, strlen(V2_BIN_PAYLOAD_SEPARATOR));
len += strlen(V2_BIN_PAYLOAD_SEPARATOR);
memcpy(&full_msg[len], payload, payload_len);
len += payload_len;
/* TODO
#ifdef ACLK_LOG_CONVERSATION_DIR
#define FN_MAX_LEN 1024
char filename[FN_MAX_LEN];
snprintf(filename, FN_MAX_LEN, ACLK_LOG_CONVERSATION_DIR "/%010d-tx.json", ACLK_GET_CONV_LOG_NEXT());
json_object_to_file_ext(filename, msg, JSON_C_TO_STRING_PRETTY);
#endif */
mqtt_wss_publish_pid(client, topic, full_msg, len, MQTT_WSS_PUB_QOS1, &packet_id);
#ifdef NETDATA_INTERNAL_CHECKS
aclk_stats_msg_published(packet_id);
#endif
freez(full_msg);
}
/*
* Creates universal header common for all ACLK messages. User gets ownership of json object created.
* Usually this is freed by send function after message has been sent.
*/
static struct json_object *create_hdr(const char *type, const char *msg_id, time_t ts_secs, usec_t ts_us, int version)
{
uuid_t uuid;
char uuid_str[36 + 1];
json_object *tmp;
json_object *obj = json_object_new_object();
tmp = json_object_new_string(type);
json_object_object_add(obj, "type", tmp);
if (unlikely(!msg_id)) {
uuid_generate(uuid);
uuid_unparse(uuid, uuid_str);
msg_id = uuid_str;
}
if (ts_secs == 0) {
ts_us = now_realtime_usec();
ts_secs = ts_us / USEC_PER_SEC;
ts_us = ts_us % USEC_PER_SEC;
}
tmp = json_object_new_string(msg_id);
json_object_object_add(obj, "msg-id", tmp);
tmp = json_object_new_int64(ts_secs);
json_object_object_add(obj, "timestamp", tmp);
// TODO handle this somehow on older json-c
// tmp = json_object_new_uint64(ts_us);
// probably jso->_to_json_strinf -> custom function
// jso->o.c_uint64 -> map this with pointer to signed int
// commit that implements json_object_new_uint64 is 3c3b592
// between 0.14 and 0.15
tmp = json_object_new_int64(ts_us);
json_object_object_add(obj, "timestamp-offset-usec", tmp);
tmp = json_object_new_int64(aclk_session_sec);
json_object_object_add(obj, "connect", tmp);
// TODO handle this somehow see above
// tmp = json_object_new_uint64(0 /* TODO aclk_session_us */);
tmp = json_object_new_int64(aclk_session_us);
json_object_object_add(obj, "connect-offset-usec", tmp);
tmp = json_object_new_int(version);
json_object_object_add(obj, "version", tmp);
return obj;
}
static char *create_uuid()
{
uuid_t uuid;
char *uuid_str = mallocz(36 + 1);
uuid_generate(uuid);
uuid_unparse(uuid, uuid_str);
return uuid_str;
}
#ifndef __GNUC__
#pragma endregion
#endif
#ifndef __GNUC__
#pragma region aclk_tx_msgs message generators
#endif
/*
* This will send the /api/v1/info
*/
#define BUFFER_INITIAL_SIZE (1024 * 16)
void aclk_send_info_metadata(mqtt_wss_client client, int metadata_submitted, RRDHOST *host)
{
BUFFER *local_buffer = buffer_create(BUFFER_INITIAL_SIZE);
json_object *msg, *payload, *tmp;
char *msg_id = create_uuid();
buffer_flush(local_buffer);
local_buffer->contenttype = CT_APPLICATION_JSON;
// on_connect messages are sent on a health reload, if the on_connect message is real then we
// use the session time as the fake timestamp to indicate that it starts the session. If it is
// a fake on_connect message then use the real timestamp to indicate it is within the existing
// session.
if (metadata_submitted)
msg = create_hdr("update", msg_id, 0, 0, ACLK_VERSION);
else
msg = create_hdr("connect", msg_id, aclk_session_sec, aclk_session_us, ACLK_VERSION);
payload
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