void parse_configuration_args(int argc, char** argv)
{
// Scan options.
//
char **args = &argv[1];
while (*args)
{
char *opt = NULL;
//TODO handle conflicts between args & conf file ?
if ((opt = shift_option(&args, "--conf=")))
confFilename = opt;
else if ((opt = shift_option(&args, "--ip-conf=")))
config_ip_file_name = opt;
else if ((opt = shift_option(&args, "--discard")))
packet_drop = 1;
#if OFP_LOOP_STATISTICS
else if ((opt = shift_option(&args, "--limit-packets=")))
limit_packets = strtoul(opt,NULL,0);
#endif
else if ((opt = shift_option(&args, "--workers=")))
work_size = atoi(opt);
#if TILEGX
else if ((opt = shift_option(&args, "--links=")))
parse_links(0, opt);
#else
#if TWOINTERFACE
else if ((opt = shift_option(&args, "--interface1=")))
interface1 = opt;
else if ((opt = shift_option(&args, "--interface2=")))
interface2 = opt;
#else
else if ((opt = shift_option(&args, "--interface=")))
interface1 = opt;
#endif
#endif
#if MODE_VLAN
else if ((opt = shift_option(&args, "--vlan1=")))
packet_vlan_swap1 = strtoul(opt,NULL,0);
else if ((opt = shift_option(&args, "--vlan2=")))
packet_vlan_swap2 = strtoul(opt,NULL,0);
#endif
else if ((opt = shift_option(&args, "--daemon")))
config_daemonize = 1;
else
tmc_task_die("Unknown option '%s'.\n", args[0]);
}
}
int main(int argc, char *argv[]) {
// part 1: read in lnx file and
char *linkFile = argv[1];
printf(_NORMAL_"Link File -> \"%s\"\n", argv[1]);
ref = parse_links(linkFile);
node_t *curr;
int i = 1;
for (curr = ref->head; curr != NULL; curr = curr->next) {
printf(_GREEN_"\n\tINTERFACE [%d]----- Local Physical Info -----\n", i);
link_t *sing = (link_t *)curr->data;
printf(_BLUE_"\tHost\t\tPort\t\tIPv4\t\n");
printf(_BLUE_"\t%s\t%d\t\t%s\t\n"_BLUE_, sing->local_phys_host,sing->local_phys_port, inet_ntoa(sing->local_virt_ip));
printf(_NORMAL_);
printf(_RED_"\tINTERFACE [%d]----- Remote Physical Info -----\n", i++);
printf(_BLUE_"\tHost\t\tPort\t\tIPv4\t\n");
printf(_BLUE_"\t%s\t%d\t\t%s\t\n"_BLUE_, sing->remote_phys_host,sing->remote_phys_port, inet_ntoa(sing->remote_virt_ip));
printf(_NORMAL_);
}
printf("\n");
//part 2
int sockfd;
int yes = 1;
link_t *tmp = (link_t *)ref->head->data;
struct sockaddr_in addrsock;
memset(&addrsock, 0, sizeof(addrsock));
addrsock.sin_family = AF_INET;
addrsock.sin_port = htons(tmp->local_phys_port);
(addrsock.sin_addr).s_addr = INADDR_ANY;
//inet_aton(inet_ntoa(tmp->local_virt_ip), &addrsock.sin_addr);
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
perror("ERROR : Socket");
return -1;
}
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) {
perror("ERROR : Socket Option");
close(sockfd);
return -1;
}
if (bind(sockfd, (struct sockaddr *)&addrsock, sizeof(addrsock)) < 0) {
perror("ERROR : Bind");
close(sockfd);
return -1;
}
// 2. Build Routing table
list_init(&routes);
struct route_entry *ent;
for (curr = ref->head; curr != NULL; curr = curr->next) {
link_t *sing = (link_t *)curr->data;
ent = (struct route_entry *)malloc(sizeof(struct route_entry));
ent->rtu_id = num_entries;
ent->rtu_dst.s_addr = sing->local_virt_ip.s_addr;
ent->rtu_cost = 0;
ent->rtu_status = (uint8_t)1;
list_append(routes, (void *)ent);
}
// 3 select
int maxfd;
fd_set master, read_fds;
FD_ZERO(&master);
maxfd = sockfd + 1;
FD_SET(sockfd, &master);
FD_SET(0, &master);
char input[BUFSIZE];
//int n;
for (;;) {
read_fds = master;
if (select(maxfd, &master, NULL, NULL, NULL) == -1) {
perror("Select");
exit(4);
}
if (FD_ISSET(0, &read_fds)) {
if (fgets(input, BUFSIZE, stdin) != NULL) {
if (strcmp(input, "routes\n") == 0) {
rout_table_print();
}
}
}
}
return 0;
}
// reload : set to 1 if we are reloading the conf while running
// When we are reloading, only some options can be changed. E.g. 'workers' can not, it needs a restart
void parse_main_configuration_file(int reload)
{
if (confFilename == NULL)
{
PRINT_D2("No config file provided\n");
return;
}
FILE *confFile = fopen(confFilename, "r");
if (confFile == NULL)
tmc_task_die("Error opening config file %s\n", confFilename);
PRINT_INFO("Loading config file %s\n", confFilename);
char * line = NULL;
size_t len = 0;
ssize_t read;
int lineCount = 0;
while ((read = getline(&line, &len, confFile)) != -1) {
lineCount++;
int lineNumber = lineCount;
// Ignore empty lines and lines starting with '#'
if (strcmp(line, "\n") == 0 || line[0] == '#')
continue;
// Duplicate line since strtok modifies its arg
char *dup_line = strdup(line);
char *param = strtok(dup_line, "=");
char *value = strtok(NULL, "\n");
if (value == NULL)
tmc_task_die("Error parsing config file(%d), param '%s' has no value\n", lineNumber, param);
if (!reload && !strcmp(param, "workers"))
work_size = atoi(value);
#if TILEGX
else if (!reload && !strcmp(param, "links"))
parse_links(lineNumber, value);
#endif
else if (!strcmp(param, "monitoring_ip_port"))
{
ip_port_tuple ip_port = {0};
if(!parse_ip(value, 0, &ip_port))
{
tmc_task_die("Error parsing config file(%d), param '%s' parsing ip '%s'\n", lineNumber, param, value);
}
ofp_logger_addr.sin_port = htons(ip_port.port);
ofp_logger_addr.sin_addr.s_addr = htonl(ip_port.ip);
}
else if (!strcmp(param, "bridge_mode") && !reload)
{
PRINT_D5("read bridge_mode = '%s'\n", value);
config_bridge_mode = atoi(value);
}
OVH_FREE(dup_line);
}
if (line != NULL)
OVH_FREE(line);
fclose(confFile);
PRINT_INFO("config_bridge_mode = %d\n", config_bridge_mode);
}
int main(int argc, char *argv[])
{
int n = 0;
char *url;
char command[512];
char buffer[512];
FILE *c;
if (argc != 2)
{
printf("Usage :\ndownloader <url>\n");
return -1;
}
url = (char *) calloc (strlen(argv[1])+1, sizeof(char));
strcpy(url, argv[1]);
/*
Once i have the url, i need to download the html content to a file,
then read it, and parse any possible links to other webs.
Loop then until i finish downloading their respective content to other
files.
*/
sprintf(command, "wget -qO page.html %s", url);
c = popen(command, "r");
pclose(c);
c = fopen("page.html", "r");
if (c == NULL)
{
printf("Error abriendo comando");
return -1;
}
while (fgets(buffer, BUFFSIZE, c))
{
char *slink = NULL;
parse_links(buffer, &slink);
if (slink)
{
if (strstr(slink, "http://"))
{
FILE *p;
sprintf(command, "wget -qO %s %s", slink, slink);
p = popen(command, "r");
pclose(p);
}
else
{
FILE *p;
char web[512];
char buff[512];
get_parent(url, buff);
strcpy(web, buff);
strcat(web, slink);
sprintf(command, "wget -qO %s %s", slink, web);
p = popen(command, "r");
pclose(p);
remove_html_tags(slink);
}
free(slink);
}
}
fclose(c);
free(url);
return 0;
}
