131 lines
2.7 KiB
C
131 lines
2.7 KiB
C
/*
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===============================================================================
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Net
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===============================================================================
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*/
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#ifndef NET_H
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#define NET_H
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#include <sys/types.h>
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#if defined (WIN32)
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#include <Windows.h>
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#include <Ws2tcpip.h>
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#include <Winsock2.h>
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#else
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#if defined (sun)
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/* For Solaris 2.6, as it lacks SIOCGIFCONF */
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#include <sys/sockio.h>
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#endif
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#endif
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#include <string.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <sys/ioctl.h> //
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#include <net/if.h> // for ifreq
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#include "users.h" // for Users functions
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#include "common.h" // for config
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#include "con/console.h"
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#include <inttypes.h>
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#include <stdint.h>
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#define MESSAGE_OPEN 0
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struct in_addr local_interface;
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struct sockaddr_in group_socket;
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struct ip_mreq group;
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int listen_socket;
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int send_socket;
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/* address of last received message, set via recvfrom */
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struct sockaddr_in from_address;
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socklen_t from_address_length;
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char from_address_string[INET_ADDRSTRLEN];
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/* list of known users/hosts */
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UserList user_list;
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/* "bools" */
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int is_listening;
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int is_sending;
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int is_group_socket_set;
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/* ifreq */
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struct ifconf ifconf;
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struct ifreq ifreq[31];
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int interfaces;
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char *ip_list[16];
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char *dev_list[16];
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/* listen */
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struct timeval listen_tv;
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fd_set master_fds;
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fd_set read_fds;
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int max_fd;
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int i;
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char data_buffer[512];
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int data_buffer_length;
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char ip_address[15];
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char port[15];
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int initNetwork();
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void handleNetInput(const char *data_buffer);
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void getInterfaces(); // same v
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void freeInterfaces(); // change to int
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void startSockets(const char *value);
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void stopSockets(const char *value);
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void restartSockets(const char *value);
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int startSendSocket();
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int stopSendSocket();
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int openSendSocket();
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int closeSendSocket();
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int startListenSocket();
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int stopListenSocket();
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int openListenSocket();
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int closeListenSocket();
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int receiveSocket(int send_socket);
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int checkSocket();
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int sendMulticast(int send_socket, struct sockaddr_in *group_socket, char data_buffer[], int data_length);
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void sendOpen();
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void receiveOpen(const char packet[], size_t packet_size);
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int handleOpenMessage(const char packet[]);
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int setString(char *destination, const char source[]);
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char *stripString(const char string[]);
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typedef struct {
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uint8_t type;
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uint8_t nick_size;
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uint8_t id;
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uint8_t payload_type;
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uint8_t payload_size;
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struct in_addr address; // IPv4
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char *nick;
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char payload[255];
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} Message;
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Message buildMessage(const char *data_buffer, struct sockaddr_in *socket);
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/* frees the malloc'd nick */
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int freeMessage(Message *message);
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Message current_message; // global message struct, contains last packet
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#endif
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