rpi.git - Gitblit

Guo Wenxue

2024-04-11 b74ad5954607d34e939f9cf32876bd7ba65998f9

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13d8a8	1	/*********************************************************************************
G	2	* Copyright: (C) 2019 LingYun IoT System Studio
	3	* All rights reserved.
	4	*
	5	* Filename: main.c
	6	* Description: This file
	7	*
	8	* Version: 1.0.0(29/01/19)
	9	* Author: Guo Wenxue <guowenxue@gmail.com>
	10	* ChangeLog: 1, Release initial version on "29/01/19 15:34:41"
	11	*
	12	********************************************************************************/
	13	#include <stdio.h>
	14	#include <stdlib.h>
	15	#include <unistd.h>
	16	#include <time.h>
	17	#include <getopt.h>
	18	#include <libgen.h>
	19	#include <string.h>
	20	#include <errno.h>
	21
	22	#include "logger.h"
	23	#include "ds18b20.h"
	24	#include "proc.h"
bffa2b	25	#include "packet.h"
GW	26	#include "socket.h"
	27	#include "database.h"
13d8a8	28
G	29	#define PROG_VERSION "v1.0.0"
	30	#define DAEMON_PIDFILE "/tmp/.socketd.pid"
	31
bffa2b	32	static void print_usage(char *progname)
13d8a8	33	{
G	34	printf("Usage: %s [OPTION]...\n", progname);
	35	printf(" %s is LingYun studio temperature socket client program running on RaspberryPi\n", progname);
	36
	37	printf("\nMandatory arguments to long options are mandatory for short options too:\n");
bffa2b	38	printf("-i(ipaddr) : sepcify server IP address\n");
GW	39	printf("-p(--port) : sepcify server port.\n");
	40	printf("-I(--interval): sepcify report time interval, default 60 seconds\n");
	41	printf("-d(--debug) : running in debug mode\n");
	42	printf("-h(--help) : display this help information\n");
	43	printf("-v(--version) : display the program version\n");
13d8a8	44
G	45	printf("\n%s version %s\n", progname, PROG_VERSION);
	46	return;
	47	}
	48
bffa2b	49	int check_sample_time(time_t *last_time, int interval);
GW	50
13d8a8	51	int main (int argc, char **argv)
G	52	{
	53	int daemon = 1;
bffa2b	54	int rv;
GW	55
13d8a8	56	char *progname=NULL;
bffa2b	57	char *logfile="sock_client.log";
29b331	58	int loglevel=LOG_LEVEL_INFO;
GW	59	int logsize=10; /* logfile size max to 10K */
13d8a8	60
bffa2b	61	char *serverip = NULL;
GW	62	int port = 0;
	63	int interval = 60; /* default report termperature every 60 seconds */
	64
	65	socket_ctx_t sock;
	66	time_t last_time = 0;
	67	int sample_flag = 0;
	68
	69	char pack_buf[1024];
	70	int pack_bytes = 0;
	71	pack_info_t pack_info;
b74ad5	72	pack_proc_t pack_proc = packet_segmented_pack; /* use segmented string packet */
GW	73	//pack_proc_t pack_proc = packet_json_pack; /* use JSON string packet */
	74	//pack_proc_t pack_proc = packet_tlv_pack; /* use TLV(Tag Length Value) packet */
bffa2b	75
GW	76	struct option opts[] = {
	77	{"ipaddr", required_argument, NULL, 'i'},
	78	{"port", required_argument, NULL, 'p'},
	79	{"interval", required_argument, NULL, 'I'},
13d8a8	80	{"debug", no_argument, NULL, 'd'},
G	81	{"version", no_argument, NULL, 'v'},
	82	{"help", no_argument, NULL, 'h'},
	83	{NULL, 0, NULL, 0}
	84	};
	85
	86	progname = (char *)basename(argv[0]);
	87
	88	/* Parser the command line parameters */
bffa2b	89	while( (rv=getopt_long(argc, argv, "i:p:I:dvh", opts, NULL)) != -1 )
13d8a8	90	{
bffa2b	91	switch (rv)
13d8a8	92	{
bffa2b	93	case 'i': /* set socket server hostname or IP address */
GW	94	serverip=optarg;
	95	break;
	96
	97	case 'p': /* set socket server listen port */
	98	port=atoi(optarg);
	99	break;
	100
	101	case 'I': /* set report time interval */
	102	interval=atoi(optarg);
	103	break;
	104
	105
	106	case 'd': /* set debug running */
13d8a8	107	daemon = 0;
29b331	108	logfile="console";
GW	109	loglevel=LOG_LEVEL_DEBUG;
13d8a8	110	break;
G	111
bffa2b	112	case 'v': /* get software version */
13d8a8	113	printf("%s version %s\n", progname, PROG_VERSION);
G	114	return 0;
	115
bffa2b	116	case 'h': /* get help information */
GW	117	print_usage(progname);
13d8a8	118	return 0;
G	119
	120	default:
	121	break;
	122	}
	123
bffa2b	124	}
GW	125
	126	if( !serverip \|\| !port )
	127	{
	128	print_usage(argv[0]);
	129	return 0;
13d8a8	130	}
G	131
29b331	132	if( log_open(logfile, loglevel, logsize, THREAD_LOCK_NONE) < 0 )
GW	133	{
	134	fprintf(stderr, "Initial log system failed\n");
	135	return 1;
	136	}
13d8a8	137
G	138	install_default_signal();
	139
	140	if( check_set_program_running(daemon, DAEMON_PIDFILE) < 0 )
	141	goto cleanup;
	142
bffa2b	143	log_info("program start running.\n");
GW	144
	145	if( database_init("sock_client.db") < 0 )
	146	{
	147	return 2;
	148	}
	149
	150	socket_init(&sock, serverip, port);
	151
13d8a8	152	while( ! g_signal.stop )
G	153	{
bffa2b	154	/* +----------------------------------+
GW	155	* \| check and sample temperature \|
	156	* +----------------------------------+*/
	157
	158	sample_flag = 0; /* clear sample flag */
	159
	160	if( check_sample_time(&last_time, interval) )
	161	{
	162	log_debug("start DS18B20 sample termperature\n");
	163
	164	if( (rv=ds18b20_get_temperature(&pack_info.temper)) < 0 )
	165	{
	166	log_error("DS18B20 sample temperature failure, rv=%d\n", rv);
	167	continue;
	168	}
	169	log_info("DS18B20 sample termperature %.3f oC\n", pack_info.temper);
	170
5b381c	171	get_devid(pack_info.devid, sizeof(pack_info.devid), 88);
bffa2b	172	get_time(&pack_info.sample_time);
GW	173
5b381c	174	pack_bytes = pack_proc(&pack_info, (uint8_t *)pack_buf, sizeof(pack_buf));
GW	175	log_dump(LOG_LEVEL_DEBUG, NULL, pack_buf, pack_bytes);
	176
bffa2b	177	sample_flag = 1; /* set sample flag */
GW	178	}
	179
	180	/* +---------------------------------+
	181	* \| check and do socket connect \|
	182	* +---------------------------------+*/
	183
	184	/* start connect to server if not connected */
b74ad5	185	if( !socket_connected(&sock) )
bffa2b	186	{
GW	187	socket_connect(&sock);
	188	}
	189
	190	/* +-------------------------------+
	191	* \| socket disconnect \|
	192	* +-------------------------------+*/
b74ad5	193	if( !socket_connected(&sock) )
bffa2b	194	{
GW	195	if( sample_flag )
	196	{
	197	database_push_packet(pack_buf, pack_bytes);
	198	}
	199
	200	continue;
	201	}
	202
	203	/* +-------------------------------+
	204	* \| socket connected \|
	205	* +-------------------------------+*/
	206
	207	/* socket send sample packet */
	208	if( sample_flag )
	209	{
	210	log_debug("socket send sample packet bytes[%d]: %s\n", pack_bytes, pack_buf);
	211	if( socket_send(&sock, pack_buf, pack_bytes) < 0 )
	212	{
	213	log_warn("socket send sample packet failure, save it in database now.\n");
	214	database_push_packet(pack_buf, pack_bytes);
b74ad5	215	continue;
bffa2b	216	}
GW	217	}
	218
	219	/* socket send packet in database */
	220	if( !database_pop_packet(pack_buf, sizeof(pack_buf), &pack_bytes) )
	221	{
	222	log_debug("socket send database packet bytes[%d]: %s\n", pack_bytes, pack_buf);
	223	if( socket_send(&sock, pack_buf, pack_bytes) < 0 )
	224	{
	225	log_error("socket send database packet failure");
b74ad5	226	continue;
bffa2b	227	}
GW	228	else
	229	{
	230	log_warn("socket send database packet okay, remove it from database now.\n");
	231	database_del_packet();
	232	}
	233	}
	234
b74ad5	235	msleep(5);
13d8a8	236	}
G	237
	238	cleanup:
bffa2b	239	socket_term(&sock);
GW	240	database_term();
29b331	241	unlink(DAEMON_PIDFILE);
bffa2b	242	log_close();
13d8a8	243
G	244	return 0;
	245	}
bffa2b	246
GW	247	int check_sample_time(time_t *last_time, int interval)
	248	{
	249	int need = 0; /* no need sample now */
	250	time_t now;
	251
	252	time(&now);
	253
b74ad5	254	if( difftime(now, *last_time)>interval )
bffa2b	255	{
GW	256	need = 1; /* need sample now */
	257	*last_time = now;
	258	}
	259
	260	return need;
	261	}