void grapher::add(const processed_object& po) {
require_not_generated();
if (po.connection()) {
process_connections(po);
return;
}
const auto v(vertex_for_id(po.id()));
graph_[v] = po;
process_child_node(v, po);
}
int main (int argc, char *argv[])
{
struct sockaddr_in server, client;
int s, server_port;
char *code;
logfile = fopen(FILE_NAME, "w+");
signal(SIGINT, end_server);
signal(SIGTERM, end_server);
if(argc >= 2){
server_port = atoi(argv[1]);
}
else {
fprintf(stderr, "Usage :server portnumber\n");
exit(1);
}
/* Get the code if its provided*/
if(argc==3){
int codelen = strlen(argv[2]);
if(codelen < NUM_CHOOSEN){
fprintf(stderr, "No enough characters for code\n");
exit(1);
} else {
code = malloc(sizeof(char)*NUM_CHOOSEN);
strncpy(code, argv[2], NUM_CHOOSEN);
}
} else {
code = NULL;
}
printf("Server port %i\n",server_port);
/* Building data structures for sockets */
/* Identify two end points; one for the server and the other for the client when it connects to the server socket */
memset (&server,0, sizeof (server));
/* Server socket initializations */
/* AF_INET: specifies the connection to Internet. In our example we use
TCP port 5431 as the known server port; Any client need to connect to this port;
INADDR_ANY specifies the server is willing to accept connections on any of the local host's IP addresses. */
server.sin_family = AF_INET;
server.sin_addr.s_addr = INADDR_ANY;
server.sin_port = htons (server_port);
/* Preliminary server steps: Setup: creation of passive open socket*/
if ((s = socket (AF_INET, SOCK_STREAM, 0)) < 0)
{
perror ("Error creating socket");
exit (1);
}
printf("Socket descriptor: %d\n", s);
/* Bind the socket to local address */
if (bind (s, (struct sockaddr *) &server, sizeof (server)) < 0)
{
perror ("Error in binding to the specified port");
exit (1);
}
printf("sock: family = %d\n", server.sin_family);
printf(" saddr = %d\n", server.sin_addr.s_addr);
printf(" port = %d\n", ntohs(server.sin_port));
/* Sets the maximum number of pending connections to be allowed, in our case this number is 10 */
if ( listen (s, 5) < 0)
{
perror("listen() failed with error");
exit(1);
}
else
{
printf("Listening on port %d...\n", ntohs(server.sin_port));
}
process_connections(s, code);
return 1;
}
