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Commit 45ed2974 authored by Vladislav Rykov's avatar Vladislav Rykov
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conf scheme changed, minor changes in proj structure

parent f28738fd
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bin/gateway
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db.conf → conf/dynamic.conf
View file @ 45ed2974
{"db_address": "127.0.0.1", "db_port": "5432", "db_name": "iotserver", "username": "pi", "password": "dev"}
\ No newline at end of file
{"db_address": "127.0.0.1", "db_port": "5432", "db_name": "iotserver", "username": "pi", "password": "dev", "telemetry_send_freq": 60}
\ No newline at end of file
gateway.conf → conf/static.conf
View file @ 45ed2974
......@@ -3,7 +3,7 @@
"gateway_secure_key" : "55:d9:b5:d5:88:04:7c:f1:3d:46:a2:44:6a:48:52:6d",
"gateway_port" : 54445,
"db_type" : "PostgreSQL",
"telemetry_send_period" : 10,
"platform_gw_manager_ip" : "127.0.0.1",
"platform_gw_manager_port" : 54545
"platform_gw_manager_port" : 54545,
"thread_pool_size" : 10
}
src/gateway.c
View file @ 45ed2974
......@@ -23,7 +23,6 @@
#include "aes.h"
#include "gw_stat_linked_list.h"
#define NTHREAD_MAX 10
#define TIMEDATE_LENGTH 32
#define PEND_SEND_RETRIES_MAX 5
......@@ -33,23 +32,29 @@
#define GATEWAY_ID_SIZE 6
typedef struct {
char db_addr[15+1];
uint16_t db_port;
char db_name[32];
char db_user_name[32];
char db_user_pass[32];
uint32_t telemetry_send_period;
} dynamic_conf_t;
typedef struct {
uint8_t gw_id[GATEWAY_ID_SIZE];
uint8_t gw_secure_key[GATEWAY_SECURE_KEY_SIZE];
uint16_t gw_port;
char db_type[20];
uint32_t telemetry_send_period;
char platform_gw_manager_ip[20];
uint16_t platform_gw_manager_port;
} gw_conf_t;
uint8_t thread_pool_size;
} static_conf_t;
typedef struct {
char addr[15+1];
uint16_t port;
char db_name[32];
char user_name[32];
char user_pass[32];
} db_conf_t;
static_conf_t static_conf;
dynamic_conf_t dynamic_conf;
} gw_conf_t;
typedef struct {
uint32_t utc;
......@@ -79,17 +84,17 @@ typedef struct {
uint64_t errors_count;
} gw_stat_t;
static const char * gw_conf_file = "gateway.conf";
static const char * db_conf_file = "db.conf";
static void process_gw_conf(json_value* value, gw_conf_t *gw_conf);
static void process_db_conf(json_value* value, db_conf_t *db_conf);
static const char * static_conf_file = "conf/static.conf";
static const char * dynamic_conf_file = "conf/dynamic.conf";
static int read_static_conf (const char *static_conf_file_path, gw_conf_t *gw_conf);
static int read_dynamic_conf(const char *dynamic_conf_file_path, gw_conf_t *gw_conf);
static void process_static_conf (json_value* value, static_conf_t *static_conf);
static void process_dynamic_conf(json_value* value, dynamic_conf_t *dynamic_conf);
static json_value * read_json_conf(const char *file_path);
static int read_gw_conf(const char *gw_conf_file_path, gw_conf_t *gw_conf);
static int read_db_conf(const char *db_conf_file_path, db_conf_t *db_conf);
void process_packet(void *request);
uint8_t gateway_auth(const gw_conf_t *gw_conf, const char *db_conf_file_path);
uint8_t gateway_auth(const gw_conf_t *gw_conf, const char *dynamic_conf_file_path);
void *gateway_mngr(void *gw_conf);
int send_gcom_ch(gcom_ch_t *gch, uint8_t *pck, uint8_t pck_size);
......@@ -121,7 +126,6 @@ gw_stat_t gw_stat;
int main (int argc, char **argv) {
gw_conf_t *gw_conf = (gw_conf_t *)malloc(sizeof(gw_conf_t));
db_conf_t *db_conf = (db_conf_t *)malloc(sizeof(db_conf_t));
char *db_conninfo = (char *)malloc(512);
gcom_ch_t gch;
task_queue_t *tq;
......@@ -137,43 +141,45 @@ int main (int argc, char **argv) {
signal(SIGINT, ctrc_handler);
if (read_gw_conf(gw_conf_file, gw_conf)) {
if (read_static_conf(static_conf_file, gw_conf)) {
return EXIT_FAILURE;
}
gateway_telemetry_protocol_init(gw_conf->gw_id, gw_conf->gw_secure_key);
gateway_telemetry_protocol_init(gw_conf->static_conf.gw_id, gw_conf->static_conf.gw_secure_key);
if (!gateway_auth(gw_conf, db_conf_file)) {
if (!gateway_auth(gw_conf, dynamic_conf_file)) {
fprintf(stderr, "Gateway authentication failure.");
return EXIT_FAILURE;
}
if (read_db_conf(db_conf_file, db_conf)) {
if (read_dynamic_conf(dynamic_conf_file, gw_conf)) {
fprintf(stderr, "Read dynamic configuration failure.");
return EXIT_FAILURE;
}
snprintf(db_conninfo, 512,
"hostaddr=%s port=%d dbname=%s user=%s password=%s",
db_conf->addr,
db_conf->port,
db_conf->db_name,
db_conf->user_name,
db_conf->user_pass);
gw_conf->dynamic_conf.db_addr,
gw_conf->dynamic_conf.db_port,
gw_conf->dynamic_conf.db_name,
gw_conf->dynamic_conf.db_user_name,
gw_conf->dynamic_conf.db_user_pass);
printf("db_conf : '%s'\n", db_conninfo);
conn = PQconnectdb(db_conninfo);
snprintf(db_conninfo, 512,
"id=%s secure_key=%s port=%d type=%s telemetry_send_period=%d\n",
gw_conf->gw_id,
gw_conf->gw_secure_key,
gw_conf->gw_port,
gw_conf->db_type,
gw_conf->telemetry_send_period);
"id=%s secure_key=%s port=%d type=%s thread_pool_size=%d telemetry_send_period=%d\n",
gw_conf->static_conf.gw_id,
gw_conf->static_conf.gw_secure_key,
gw_conf->static_conf.gw_port,
gw_conf->static_conf.db_type,
gw_conf->static_conf.thread_pool_size,
gw_conf->dynamic_conf.telemetry_send_period);
printf("gw_conf : '%s'\n", db_conninfo);
free(db_conninfo);
if (PQstatus(conn) == CONNECTION_BAD) {
fprintf(stderr,"connection to db error: %s\n", PQerrorMessage(conn));
free(gw_conf);
......@@ -187,7 +193,7 @@ int main (int argc, char **argv) {
}
gch.server.sin_family = AF_INET;
gch.server.sin_port = htons(gw_conf->gw_port);
gch.server.sin_port = htons(gw_conf->static_conf.gw_port);
gch.server.sin_addr.s_addr = INADDR_ANY;
if (bind(gch.server_desc, (struct sockaddr *) &gch.server, sizeof(gch.server)) < 0) {
......@@ -201,7 +207,7 @@ int main (int argc, char **argv) {
return EXIT_FAILURE;
}
if(!(tq = task_queue_create(NTHREAD_MAX))) {
if(!(tq = task_queue_create(gw_conf->static_conf.thread_pool_size))) {
perror("task_queue creation error");
free(gw_conf);
return EXIT_FAILURE;
......@@ -230,7 +236,6 @@ int main (int argc, char **argv) {
}
free(gw_conf);
free(db_conf);
pthread_mutex_destroy(&mutex);
close(gch.server_desc);
PQfinish(conn);
......@@ -431,7 +436,7 @@ void process_packet(void *request) {
free(req);
}
uint8_t gateway_auth(const gw_conf_t *gw_conf, const char *db_conf_file_path) {
uint8_t gateway_auth(const gw_conf_t *gw_conf, const char *dynamic_conf_file_path) {
int sockfd;
struct sockaddr_in platformaddr;
uint8_t buffer[1024];
......@@ -447,8 +452,8 @@ uint8_t gateway_auth(const gw_conf_t *gw_conf, const char *db_conf_file_path) {
memset(&platformaddr, 0x0, sizeof(platformaddr));
platformaddr.sin_family = AF_INET;
platformaddr.sin_addr.s_addr = inet_addr(gw_conf->platform_gw_manager_ip);
platformaddr.sin_port = htons(gw_conf->platform_gw_manager_port);
platformaddr.sin_addr.s_addr = inet_addr(gw_conf->static_conf.platform_gw_manager_ip);
platformaddr.sin_port = htons(gw_conf->static_conf.platform_gw_manager_port);
if (connect(sockfd, (struct sockaddr *)&platformaddr, sizeof(platformaddr))) {
return 0;
......@@ -464,7 +469,7 @@ uint8_t gateway_auth(const gw_conf_t *gw_conf, const char *db_conf_file_path) {
}
// write db_conf into file
fp = fopen(db_conf_file_path, "w");
fp = fopen(dynamic_conf_file_path, "w");
fwrite(payload_buffer, payload_buffer_length, 1, fp);
fclose(fp);
......@@ -488,9 +493,9 @@ void * gateway_mngr(void *gw_cnf) {
sigemptyset(&alarm_msk);
sigaddset(&alarm_msk, SIGALRM);
tval.it_value.tv_sec = gw_conf->telemetry_send_period;
tval.it_value.tv_sec = gw_conf->dynamic_conf.telemetry_send_period;
tval.it_value.tv_usec = 0;
tval.it_interval.tv_sec = gw_conf->telemetry_send_period;
tval.it_interval.tv_sec = gw_conf->dynamic_conf.telemetry_send_period;
tval.it_interval.tv_usec = 0;
if (setitimer(ITIMER_REAL, &tval, NULL)) {
......@@ -498,7 +503,7 @@ void * gateway_mngr(void *gw_cnf) {
return NULL;
}
base64_encode(gw_conf->gw_id, GATEWAY_ID_SIZE, b64_gwid);
base64_encode(gw_conf->static_conf.gw_id, GATEWAY_ID_SIZE, b64_gwid);
while (1) {
// get utc
......@@ -619,33 +624,34 @@ int recv_gcom_ch(gcom_ch_t *gch, uint8_t *pck, uint8_t *pck_length, uint16_t pck
}
static void process_gw_conf(json_value* value, gw_conf_t *gw_conf) {
static void process_static_conf(json_value* value, static_conf_t *st_conf) {
/* bad practice. must add checks for the EUI string */
char buffer[128];
strncpy(buffer, value->u.object.values[0].value->u.string.ptr, sizeof(buffer));
sscanf(buffer, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &gw_conf->gw_id[0], &gw_conf->gw_id[1], &gw_conf->gw_id[2],
&gw_conf->gw_id[3], &gw_conf->gw_id[4], &gw_conf->gw_id[5]
sscanf(buffer, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &st_conf->gw_id[0], &st_conf->gw_id[1], &st_conf->gw_id[2],
&st_conf->gw_id[3], &st_conf->gw_id[4], &st_conf->gw_id[5]
);
strncpy(buffer, value->u.object.values[1].value->u.string.ptr, sizeof(buffer));
sscanf(buffer, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
&gw_conf->gw_secure_key[0], &gw_conf->gw_secure_key[1], &gw_conf->gw_secure_key[2], &gw_conf->gw_secure_key[3],
&gw_conf->gw_secure_key[4], &gw_conf->gw_secure_key[5], &gw_conf->gw_secure_key[6], &gw_conf->gw_secure_key[7],
&gw_conf->gw_secure_key[8], &gw_conf->gw_secure_key[9], &gw_conf->gw_secure_key[10], &gw_conf->gw_secure_key[11],
&gw_conf->gw_secure_key[12], &gw_conf->gw_secure_key[13], &gw_conf->gw_secure_key[14], &gw_conf->gw_secure_key[15]
&st_conf->gw_secure_key[0], &st_conf->gw_secure_key[1], &st_conf->gw_secure_key[2], &st_conf->gw_secure_key[3],
&st_conf->gw_secure_key[4], &st_conf->gw_secure_key[5], &st_conf->gw_secure_key[6], &st_conf->gw_secure_key[7],
&st_conf->gw_secure_key[8], &st_conf->gw_secure_key[9], &st_conf->gw_secure_key[10], &st_conf->gw_secure_key[11],
&st_conf->gw_secure_key[12], &st_conf->gw_secure_key[13], &st_conf->gw_secure_key[14], &st_conf->gw_secure_key[15]
);
gw_conf->gw_port = value->u.object.values[2].value->u.integer;
strncpy(gw_conf->db_type, value->u.object.values[3].value->u.string.ptr, sizeof(gw_conf->db_type));
gw_conf->telemetry_send_period = value->u.object.values[4].value->u.integer;
strncpy(gw_conf->platform_gw_manager_ip, value->u.object.values[5].value->u.string.ptr, sizeof(gw_conf->platform_gw_manager_ip));
gw_conf->platform_gw_manager_port = value->u.object.values[6].value->u.integer;
st_conf->gw_port = value->u.object.values[2].value->u.integer;
strncpy(st_conf->db_type, value->u.object.values[3].value->u.string.ptr, sizeof(st_conf->db_type));
strncpy(st_conf->platform_gw_manager_ip, value->u.object.values[4].value->u.string.ptr, sizeof(st_conf->platform_gw_manager_ip));
st_conf->platform_gw_manager_port = value->u.object.values[5].value->u.integer;
st_conf->thread_pool_size = value->u.object.values[6].value->u.integer;
}
static void process_db_conf(json_value* value, db_conf_t *db_conf) {
strncpy(db_conf->addr, value->u.object.values[0].value->u.string.ptr, sizeof(db_conf->addr));
db_conf->port = atoi(value->u.object.values[1].value->u.string.ptr);
strncpy(db_conf->db_name, value->u.object.values[2].value->u.string.ptr, sizeof(db_conf->db_name));
strncpy(db_conf->user_name, value->u.object.values[3].value->u.string.ptr, sizeof(db_conf->user_name));
strncpy(db_conf->user_pass, value->u.object.values[4].value->u.string.ptr, sizeof(db_conf->user_pass));
static void process_dynamic_conf(json_value* value, dynamic_conf_t *dyn_conf) {
strncpy(dyn_conf->db_addr, value->u.object.values[0].value->u.string.ptr, sizeof(dyn_conf->db_addr));
dyn_conf->db_port = atoi(value->u.object.values[1].value->u.string.ptr);
strncpy(dyn_conf->db_name, value->u.object.values[2].value->u.string.ptr, sizeof(dyn_conf->db_name));
strncpy(dyn_conf->db_user_name, value->u.object.values[3].value->u.string.ptr, sizeof(dyn_conf->db_user_name));
strncpy(dyn_conf->db_user_pass, value->u.object.values[4].value->u.string.ptr, sizeof(dyn_conf->db_user_pass));
dyn_conf->telemetry_send_period = value->u.object.values[5].value->u.integer;
}
static json_value * read_json_conf(const char *file_path) {
......@@ -695,28 +701,28 @@ static json_value * read_json_conf(const char *file_path) {
return jvalue;
}
static int read_gw_conf(const char *gw_conf_file_path, gw_conf_t *gw_conf) {
static int read_static_conf(const char *static_conf_file_path, gw_conf_t *gw_conf) {
json_value *jvalue;
jvalue = read_json_conf(gw_conf_file_path);
jvalue = read_json_conf(static_conf_file_path);
if (!jvalue) {
return 1;
}
process_gw_conf(jvalue, gw_conf);
process_static_conf(jvalue, &gw_conf->static_conf);
json_value_free(jvalue);
return 0;
}
static int read_db_conf(const char *db_conf_file_path, db_conf_t *db_conf) {
static int read_dynamic_conf(const char *dynamic_conf_file_path, gw_conf_t *gw_conf) {
json_value *jvalue;
jvalue = read_json_conf(db_conf_file_path);
jvalue = read_json_conf(dynamic_conf_file_path);
if (!jvalue) {
return 1;
}
process_db_conf(jvalue, db_conf);
process_dynamic_conf(jvalue, &gw_conf->dynamic_conf);
json_value_free(jvalue);
......
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