Socket_Programming/node.h at main · leonskalts/Socket_Programming · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#include <math.h>
#include <assert.h>
#ifdef linux
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <net/if.h>
#include <unistd.h>
#include <arpa/inet.h>
#endif
#define MAXLINE 1000
#define STATS "stats\n"
#define CLOSEFLAG "exit\n"
#ifdef linux
const char sep='/';
#else
const char sep='\\';
#endif


typedef struct
{
	char server_ip[255];
	char dedicated[255];
	int port;
	unsigned int experiment_interval;
	unsigned int experiment_duration;
	int sizeof_packages;
}Conf;

typedef struct
{
	int size;
	char **data;
}Data;


Data input(char *filename)
{
	Data din;
	char line[255];
	din.size=0;
	FILE *fp=fopen("data.in","r");
	while(fgets(fp,line,255)!=NULL)
	{
		din.size++;
	}
	fclose(fp);
	din.data=(char**)malloc(sizeof(char *)*din.size);
	for(int i=0;i<din.size;i++)
	{
		din.data[i]=(char *)malloc(sizeof(char)*255);
	}

	fp=fopen("data.in","r");
	int c=0;
	while(fgets(fp,line,255)!=NULL)
	{
		strcpy(din.data[c],line);
		c++;
	}
	fclose(fp);
	return din;
}


Conf configure(int argc,char **argv)
{
	int argcounter=1;
	Conf conf;
	while(argcounter<argc)
	{
		if(strcmp(argv[argcounter],"--s")==0)
		{
			strcpy(conf.dedicated,"server");
			argcounter++;
		}
		else if(strcmp(argv[argcounter],"--p")==0)
		{
			conf.port=atoi(argv[++argcounter]);
			argcounter++;
		}
		else if(strcmp(argv[argcounter],"--c")==0)
		{
			strcpy(conf.dedicated,"client");
			argcounter++;
		}
		else if(strcmp(argv[argcounter],"--a")==0)
		{
			strcpy(conf.server_ip,argv[++argcounter]);
			argcounter++;
		}
		else if(strcmp(argv[argcounter],"--t")==0)
		{
			conf.experiment_duration=atoll(argv[++argcounter]);
			argcounter++;
		}
		else if(strcmp(argv[argcounter],"--l")==0)
		{
			conf.sizeof_packages=atoi(argv[++argcounter]);
			argcounter++;
		}
		else if(strcmp(argv[argcounter],"--i")==0)
		{
			conf.experiment_interval=atoll(argv[++argcounter]);
			argcounter++;
		}
	}
	return conf;
}

char* ip_address()
{
	int n;
    struct ifreq ifr;
    char array[] = "eth0";
    n = socket(AF_INET, SOCK_DGRAM, 0);
    //Type of address to retrieve - IPv4 IP address

    ifr.ifr_addr.sa_family = AF_INET;
    //Copy the interface name in the ifreq structure
    strncpy(ifr.ifr_name , array , IFNAMSIZ - 1);
    ioctl(n, SIOCGIFADDR, &ifr);
    close(n);
	return inet_ntoa(( (struct sockaddr_in *)&ifr.ifr_addr )->sin_addr);
}

void clear_data_buffer(Data *d)
{
	for(int i=0;i<d->size;i++)
	{
		free(d->data[i]);
	}
	free(d->data);
}