int main(){
int listenfd;
listenfd = socket_bind(HOST, PORT);
listen(listenfd, LISTENQ);
do_epoll(listenfd);
return 0;
}
int main(int argc, char **argv)
{
init_daemon(argv[0],LOG_INFO);
if(get_arg("home_dir")==0) {
sprintf(home_dir,"%s","/tmp");
}
if(get_arg("ip")==0) {
get_addr("eth0");
}
if(get_arg("port")==0) {
sprintf(port,"%s","80");
}
if(get_arg("back")==0) {
sprintf(back,"%s","5");
}
int sock_fd = socket_bind(ip, atoi((const char *)&port));
do_epoll(sock_fd);
close(sock_fd);
return 0;
}
int main(int argc, const char *argv[])
{
if(signal(SIGPIPE, SIG_IGN) == SIG_ERR)
ERR_EXIT("signal");
int listenfd = socket(PF_INET, SOCK_STREAM, 0);
if(listenfd == -1)
ERR_EXIT("listefd");
int on = 1;
if(setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0)
ERR_EXIT("SETSOCKET");
struct sockaddr_in servaddr;
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(6666);
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
if(bind(listenfd, (struct sockaddr*)&servaddr, sizeof(servaddr)) < 0)
{
ERR_EXIT("bind");
}
if(listen(listenfd, SOMAXCONN) < 0)
ERR_EXIT("listen");
do_epoll(listenfd);
close(listenfd);
return 0;
}
//main函数
int main( int argc, char* argv[] )
{
int listenfd = socket_bind( IPADDRESS, PORT );
::listen( listenfd, LISTENQ );
do_epoll( listenfd );
return 0;
}
int main(int argc, const char *argv[])
{
int listenfd = listenf();
do_epoll(listenfd);
close(listenfd);
return 0;
}
int main(int argc, char *argv[])
{
int listenfd;
listenfd = socket_bind(IPADDRESS, PORT);
listen(listenfd, LISTENQ);
do_epoll(listenfd);
return EXIT_SUCCESS;
}
int main(int argc, const char *argv[])
{
if(signal(SIGPIPE, SIG_IGN) == SIG_ERR)
ERR_EXIT("signal");
int fd_server;
preprocess(&fd_server);
do_epoll(fd_server);
close(fd_server);
return 0;
}
int main(int argc, const char *argv[])
{
if(signal(SIGPIPE, SIG_IGN) == SIG_ERR)
ERR_EXIT("signal");
int listenfd = get_listen_fd();
do_epoll(listenfd);
close(listenfd);
return 0;
}
int main(){
int fd, cli_sockfd;
int addlen;
int n;
char recvline[MAXSIZE],sendline[MAXSIZE];
struct sockaddr_in serv_in;
struct sockaddr_in cli_addr;
fd = socket(AF_INET, SOCK_STREAM, 0);
if(fd == -1){
perror("socket error: ");
exit(1);
}
bzero(&serv_in, sizeof(serv_in));
serv_in.sin_family = AF_INET;
inet_pton(AF_INET, IPADDR, &serv_in.sin_addr);
serv_in.sin_port = htons(PORT);
if(bind(fd, (struct sockaddr *)&serv_in, sizeof(serv_in)) == -1) {
perror("bind error: ");
exit(1);
}
if(listen(fd, 5) == -1){
perror("listen error: ");
exit(1);
}
printf("listen the port: ");
do_epoll(fd);
/*for( ; ; ){
addlen = sizeof(struct sockaddr);
cli_sockfd = accept(fd ,(struct sockaddr *)&cli_addr, &addlen);
if(cli_sockfd == -1)
{
perror("accept error: ");
//exit(1);
}
while(1){
printf("waiting for client...\n");
n = recv(cli_sockfd, recvline, 1024, 0);
if(n == -1){
printf("recv error\n");
}
recvline[n] = '\n';
printf("recv data is:%s\n", recvline);
sprintf(sendline, "%s", "send msg");
printf("%s", sendline);
send(cli_sockfd, sendline, strlen(sendline), 0);
}
close(cli_sockfd);
}
close(fd);*/
return 0;
}
void Server_Thread()
{
listenfd = socket(AF_INET, SOCK_STREAM,0);
if(listenfd < 0)
ERR_EXIT("listenfd created ERR");
struct sockaddr_in serveraddr;
bzero((char *)&serveraddr,sizeof(serveraddr));
serveraddr.sin_family = AF_INET;
serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
serveraddr.sin_port = htons(PORT);
if(bind(listenfd,(struct sockaddr *)&serveraddr,sizeof(serveraddr)) < 0)
ERR_EXIT("bind ERR");
if(listen(listenfd,1024) < 0)
ERR_EXIT("listen ERR");
do_epoll(listenfd);
/*struct sockaddr_in clientaddr;
int connfd;
socklen_t clientlen = sizeof(clientaddr);
bool addbool;
socklen_t serv_len = sizeof(servaddr);
while(true)
{
connfd = accept(listenfd,(struct sockaddr *)&clientaddr, &clientlen);
if(connfd < 0)
{
do_log("accept ERR");
continue;
}
if(!servaddr_init)
{
getsockname(connfd, (struct sockaddr *)&servaddr, &serv_len);
// do_log(inet_ntoa(servaddr.sin_addr));
servaddr_init=true;
}
char log[50];
sprintf(log,"accept a client IP:%s,port:%d",inet_ntoa(clientaddr.sin_addr),ntohs(clientaddr.sin_port));
do_log(log);
Client_tmp *mClient_tm=(Client_tmp*)malloc(sizeof(Client_tmp));
mClient_tm->client=NULL;
mClient_tm->sockfd=connfd;
mClient_tm->msockaddr_in=clientaddr;
addbool=mThreadsManager->AddJob((void *(*)(void *))recvFromClient,(void *)mClient_tm);
if(!addbool)
do_log("mThreadsManager->AddJob ERR");
}*/
}
int main(int argc, char *argv[])
{
int listenfd;
struct sockaddr_in server_addr;
int opt = 1; //套接字选项
int result;
listenfd = socket(AF_INET, SOCK_STREAM, 0);
if(listenfd == -1){
perror("socket error");
exit(1);
}
setNonblocking(listenfd);
memset(&server_addr, 0, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htonl(INADDR_ANY); //接受任意IP
server_addr.sin_port = htons(PORT);
//设置socket状态
//SOL_SOCKET:存取socket层, SO_REUSEADDR:允许在bind()过程中本地址可重复使用
setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
//绑定套接字
result = bind(listenfd, (struct sockaddr *)&server_addr, sizeof(server_addr));
if(result == -1){
perror("socket bind error");
exit(1);
}
result = listen(listenfd, LISTENQ);
if(result == -1){
perror("socket listen error");
exit(1);
}
do_epoll(listenfd);
return 0;
}
int
main(int argc, char **argv)
{
int i, npass, ninit, nstep;
unsigned long elapsed = 0;
struct sockaddr_in saddr;
if(5 != argc) {
fprintf(stderr, "Usage: %s <npass> <nceil> <ninit> <nstep>\n\n"
"<npass> pass of calls of select/poll/epoll in a test round.\n"
"<nceil> max number of fds to handle.\n"
"<ninit> initial number of fds to handle.\n"
"<nstep> incremental number of fds for a next test.\n",
argv[0]);
exit(1);
}
npass = atoi(argv[1]);
nceil = atoi(argv[2]);
ninit = atoi(argv[3]);
nstep = atoi(argv[4]);
/* alloc memory */
fds = calloc(nceil, sizeof(int));
pfds = calloc(nceil, sizeof(struct pollfd));
evs = calloc(nceil, sizeof(struct epoll_event));
rdset = calloc(nceil, 8);
assert(fds && pfds && evs && rdset);
/* (nceil-1) sockets which have no data to receive */
memset(&saddr, 0, sizeof(saddr));
saddr.sin_family = AF_INET;
saddr.sin_port = htons(12345);
inet_pton(AF_INET, "127.0.0.1", &saddr.sin_addr);
for(i = 0; i < nceil - 1; i++) {
fprintf(stderr, "build connection #%d\n", i);
fds[i] = socket(AF_INET, SOCK_STREAM, 0);
assert(fds[i] >= 0);
assert(0 == connect(fds[i], (struct sockaddr *)&saddr, sizeof(saddr)));
}
/* the only socket that data would be received from */
saddr.sin_port = htons(12346);
fds[i] = socket(AF_INET, SOCK_STREAM, 0);
assert(fds[i] >= 0);
assert(0 == connect(fds[i], (struct sockaddr *)&saddr, sizeof(saddr)));
rdset_nbytes = MY_FD_SET_NBYTES(fds[i]);
int round = 0;
for(ncur = ninit; ncur <= nceil; ncur += nstep) {
//fprintf(stderr, "round with number of fds: %d\n", ncur);
result[0][round] = ncur;
elapsed = 0;
for(i = 0; i < npass; i++) {
while(!is_ready());
elapsed += do_select();
}
result[1][round] = elapsed / npass;
//fprintf(stderr, "elapsed time of select(): %dus\n", elapsed / npass);
elapsed = 0;
for(i = 0; i < npass; i++) {
while(!is_ready());
elapsed += do_poll();
}
result[2][round] = elapsed / npass;
//fprintf(stderr, "elapsed time of poll(): %dus\n", elapsed / npass);
elapsed = 0;
for(i = 0; i < npass; i++) {
while(!is_ready());
elapsed += do_epoll();
}
result[3][round] = elapsed / npass;
//fprintf(stderr, "elapsed time of epoll(): %dus\n", elapsed / npass);
round++;
}
printf("# #fds\tselect\tpoll\tepoll\n");
for(i = 0; i < round; i++) {
printf("%lu\t%lu\t%lu\t%lu\n", result[0][i], result[1][i], result[2][i], result[3][i]);
}
for(i = 0; i < nceil; i++) {
close(fds[i]);
}
free(fds);
free(pfds);
free(evs);
free(rdset);
}