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