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| #include <mysql.h>
#include <ctime>
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/shm.h>
#include <iostream>
#include <list>
#include <thread>
#include <vector>
#include <string>
#define PORT 7000
#define IP "192.168.10.232"
using namespace std;
int sockfd;
struct sockaddr_in servaddr;
socklen_t len;
list<int> li;
string sendbuf;
void detection_message(char *buf);
void sendMess();
class DataToSql {
public:
DataToSql(string server = "localhost", string user = "root",
string password = "qwert15460", string database = "3B",
size_t post = 0)
: post(post) {
message.emplace_back(server);
message.emplace_back(user);
message.emplace_back(password);
message.emplace_back(database);
mysql_init(&this->conn);
if (!mysql_real_connect(&conn, message[0].c_str(), message[1].c_str(),
message[2].c_str(), message[3].c_str(), post, NULL,
0)) {
fprintf(stderr, "%s\n", mysql_error(&conn));
exit(0);
}
}
~DataToSql() { mysql_close(&conn); }
void recv_data(string tmp) {
raw.emplace_back(tmp);
int left = 0, right = 0;
vector<string> tailor;
while (right < tmp.size()) {
if (tmp[right] != ' ')
right++;
else {
tailor.emplace_back(tmp.substr(left, right));
right++;
left = right;
}
}
tailor.emplace_back(left, right);
if (tailor.size() < 4) {
for (auto i : tailor) cout << i << "\t";
cout << endl;
printf("data missing\n");
time_t now = time(0);
char *dt = ctime(&now);
cout << "本地日期和时间：" << dt << endl;
tm *gmtm = gmtime(&now);
dt = asctime(gmtm);
return;
}
get_data(tailor[0], tailor[1], tailor[2], tailor[3]);
}
private:
vector<string> data;
MYSQL conn;
size_t post;
vector<string> message;
vector<string> raw;
void insert_sql() {
for (auto &i : this->data) {
auto tmp = mysql_query(&conn, i.c_str());
if (tmp != 0) printf("insert error\n");
}
cout << "insert_sql execute\n" << endl;
this->data.clear();
Rediect();
}
void get_data(const string &temper, const string &humid, const string &press,
const string &light) {
string tmp = "insert into data values('" + temper + "','" + humid + "','" +
press + "','" + light + "')";
this->data.emplace_back(tmp);
if (this->data.size() == 10) {
cout << "insert_sql()" << endl;
insert_sql();
}
}
void Rediect() {
cout << "file input to file.txt" << endl;
freopen("file.txt", "w", stdout);
for (auto i : raw) cout << i << "\n";
cout << endl;
freopen("/dev/tty", "w", stdout);
raw.clear();
}
};
DataToSql sql;
void getConn() {
while (1) {
int conn = accept(sockfd, (struct sockaddr *)&servaddr, &len);
li.push_back(conn);
printf("%d\n", conn);
}
}
void getData() {
struct timeval tv;
tv.tv_sec = 10;
tv.tv_usec = 0;
while (1) {
for (auto it = li.begin(); it != li.end(); ++it) {
fd_set rfds;
FD_ZERO(&rfds);
int maxfd = 0;
int retval = 0;
FD_SET(*it, &rfds);
if (maxfd < *it) {
maxfd = *it;
}
retval = select(maxfd + 1, &rfds, NULL, NULL, &tv);
if (retval == -1) {
printf("select error\n");
} else if (retval == 0) {
} else {
char buf[1024];
memset(buf, 0, sizeof(buf));
int len = recv(*it, buf, sizeof(buf), 0);
detection_message(buf);
memset(buf, 0, 1024);
printf("%s", buf);
}
}
sleep(1);
}
}
void detection_message(char *buf) {
string tmp = buf;
printf("%s\n", tmp.c_str());
if (tmp.empty()) return;
if (tmp[0] >= '0' && tmp[0] <= '9') {
sql.recv_data(tmp);
} else {
sendbuf = tmp;
sendMess();
}
}
void sendMess() {
if (!sendbuf.empty()) {
for (auto it = li.begin(); it != li.end(); ++it) {
send(*it, sendbuf.c_str(), sendbuf.size(), 0);
sendbuf.clear();
}
}
}
void set_server() {
sockfd = socket(AF_INET, SOCK_STREAM, 0);
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(PORT);
servaddr.sin_addr.s_addr = inet_addr(IP);
if (bind(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)) == -1) {
perror("bind");
exit(1);
}
if (listen(sockfd, 20) == -1) {
perror("listen");
exit(1);
}
len = sizeof(servaddr);
std::thread t(getConn);
t.detach();
std::thread t2(getData);
t2.detach();
while (1)
{
}
}
int main() {
set_server();
return 0;
}
|
