added shadowrun database

src/utils.cpp

@@ -0,0 +1,79 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include "utils.hpp"
+#include <algorithm>
+#include <fstream>
+#include <sstream>
+
+using namespace std;
+
+namespace utils {
+
+expected<bool, string> isLocalPortOpen(uint16_t portno) {
+    const char *hostname = "localhost";
+ 
+    int sockfd;
+    bool ret;
+    struct sockaddr_in serv_addr;
+    struct hostent *server;
+ 
+    sockfd = socket(AF_INET, SOCK_STREAM, 0);
+    if (sockfd < 0) {
+        close(sockfd);
+        return unexpected("ERROR opening socket");
+    }
+ 
+    server = gethostbyname(hostname);
+ 
+    if (server == NULL) {
+        close(sockfd);
+        return unexpected("ERROR, no such host");
+    }
+ 
+    bzero((char *) &serv_addr, sizeof(serv_addr));
+    serv_addr.sin_family = AF_INET;
+    bcopy((char *)server->h_addr,
+         (char *)&serv_addr.sin_addr.s_addr,
+         server->h_length);
+ 
+    serv_addr.sin_port = htons(portno);
+    if (connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0) {
+        ret = false;
+    } else {
+        ret = true;
+    }
+ 
+    close(sockfd);
+    return ret;
+}
+
+string to_id_format(const string& s){
+    string new_s = s;
+
+   // transform(new_s.begin(), new_s.end(), new_s.begin(),
+   // [](unsigned char c){ return std::tolower(c); });
+
+    replace( new_s.begin(), new_s.end(), ' ',  '-'); 
+
+    return new_s;
+}
+
+string loadFile(const string& path) {
+    ifstream f(path);
+    stringstream buffer;
+    buffer << f.rdbuf();
+    return buffer.str();
+}
+
+std::filesystem::path getDataDir(){
+    return std::getenv("XDG_DATA_HOME") 
+    ? std::filesystem::path(std::getenv("XDG_DATA_HOME")) / APPLICATION_NAME 
+    : std::filesystem::path(std::getenv("HOME")) / ".local" / "share" / APPLICATION_NAME;
+}
+
+}