int send_and_recv_msgs(struct nl_msg *msg,
int (*valid_handler)(struct nl_msg *, void *),
void *valid_data)
{
return send_and_recv(nlcfg.nl_sock, msg, valid_handler,
valid_data);
}
int main(int argc, char **argv)
{
int socketFD;
int sockaddr_size;
struct sockaddr_in srv_socket_addr;
char ipaddr[16] = {0};
unsigned short port = 0;
if( 3>argc ){
#if defined(FEATURE_SOCKET_ONE_ADDRESS)
strncpy(ipaddr, SERVER_ADDRESS,16);
#elif defined(FEATURE_SOCKET_NO_ADDRESS)
strncpy(ipaddr, LOCAL_ADDRESS, 16);
#elif defined(FEATURE_SOCKET_ANY_ADDRESS)
strncpy(ipaddr, ANY_ADDRESS, 16);
#endif
port = SERVER_PORT;
}else{
if(argv[1]){
printf("argv[1]=%s\n", argv[1]);
strncpy(ipaddr, argv[1] ,16);
}
if(argv[2]){
printf("argv[2]=%s\n", argv[2]);
port=(unsigned short)atoi(argv[2]);
}
}
printf( "ipaddr=%s port=%d\n", ipaddr, port );
/* socket */
socketFD = socket(PF_INET, SOCK_STREAM, 0);
if( socketFD < 0 ){
perror("socket");
exit(EXIT_FAILURE);
}
/* bind */
srv_socket_addr.sin_family = PF_INET; /* sin_family */
if( 0==strncmp(ipaddr,"0.0.0.0", 16) ){
srv_socket_addr.sin_addr.s_addr = htonl( INADDR_ANY ); /* sin_addr */
}else{
inet_aton( ipaddr, &(srv_socket_addr.sin_addr) ); /* sin_addr */
}
srv_socket_addr.sin_port = htons( (unsigned short)port ); /* sin_port */
sockaddr_size = sizeof(struct sockaddr_in);
if( connect(socketFD, (struct sockaddr *)&srv_socket_addr, sockaddr_size ) < 0){
perror("connect");
exit(EXIT_FAILURE);
}
send_and_recv(socketFD);
close(socketFD);
return 0;
}
int main(int argc, char **argv)
{ /* argv[1] is a domain name */
char **pp;
/* or dotted decimal IP addr */
struct in_addr addr;
struct hostent *hostp;
int sockfd;
struct sockaddr_in serv_socket;
int port = 80;
char ip[] = "220.181.6.175"; //ip地址，可以通过gethostbyname来获取
char file_loc[] = "/home/HH/cape/http/temp.html"; //下载的存放位置
char *body=(char*)malloc(400*1024*sizeof(char));
bzero(&serv_socket, sizeof(struct sockaddr_in));
serv_socket.sin_family = AF_INET;
serv_socket.sin_port = htons(port);
inet_pton(AF_INET, ip, &serv_socket.sin_addr);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
/*if (inet_aton(argv[1], &addr) != 0)
hostp = gethostbyaddr((const char *)&addr, sizeof(addr),AF_INET);
else
hostp = gethostbyname(argv[1]);
printf("official hostname: %s\n", hostp->h_name);
for (pp = hostp->h_aliases; *pp != NULL; pp++)
printf("alias: %s\n", *pp);
for (pp = hostp->h_addr_list; *pp != NULL; pp++) {
addr.s_addr = ((struct in_addr *)*pp)->s_addr;
printf("address: %s\n", inet_ntoa(addr));
}*/
int flag = connect(sockfd, (struct sockaddr *)&serv_socket, sizeof(serv_socket)); //建立和HTTP服务器的TCP链接
if(flag < 0)
{
printf("connect error!!! flag = %d\n", flag);
exit(1);
}
send_and_recv(sockfd, "http://www.baidu.com/", "GET", "html/text", ip, port, file_loc, body, "Close"); //下载的主体函数
close(sockfd);
return 0;
}
int main(int argc, char** argv) {
int clientfd, port;
char *hostname;
if (argc != 3) {
printf("Usage: %s hostname/ip port\n", argv[0]);
return EXIT_FAILURE;
}
hostname = argv[1];
port = atoi(argv[2]);
if ((clientfd = open_clientfd(hostname, port)) < 0) {
return EXIT_FAILURE;
}
send_and_recv(clientfd);
close(clientfd);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
int opt;
while ((opt = getopt(argc, argv, PARAMS)) != -1) {
switch (opt) {
case 'h':
fprintf(stdout, HELP, argv[0]);
exit(EXIT_SUCCESS);
default:
fprintf(stderr, USAGE, argv[0]);
exit(EXIT_FAILURE);
}
}
if (optind >= argc - 3) {
fprintf(stderr, USAGE, argv[0]);
exit(EXIT_FAILURE);
}
pthread_create(&monthread, NULL, mon_run, NULL);
ifacename = argv[optind];
monifname = argv[optind+1];
ssid = argv[optind+2];
int chan = atoi(argv[optind+3]);
struct ifreq s;
int fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
strcpy(s.ifr_name, ifacename);
if (ioctl(fd, SIOCGIFHWADDR, &s)) {
die("Unable to retrieve hardware address");
}
close(fd);
memcpy(stamac, s.ifr_addr.sa_data, 6);
int iface = if_nametoindex(ifacename);
struct nl_cb *cb = nl_cb_alloc(NL_CB_DEFAULT);
if(!cb)
die("Can't allocate cb");
struct nl_handle *handle;
handle = nl_handle_alloc_cb(cb);
if(!handle)
die("Can't allocate handle");
if(genl_connect(handle))
die("Can't connect to generic netlink");
if ((handle_id = genl_ctrl_resolve(handle, "nl80211")) < 0)
die("Can't resolve generic netlink");
usleep(100000);
int ret;
struct nl_msg* msg;
do {
msg = gen_msg(iface, ssid, chan);
ret = send_and_recv(handle, msg, cb);
}while(ret == DEVICE_BUSY);
if (ret)
printf("Sending failed %s\n", strerror(-ret));
int ctr = 0;
while(state != 2) {
usleep(100);
ctr++;
if(ctr == 40000) {
die("No probe response within timeout");
}
}
}
