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/*##############################################################################
# Copyright (c) 2017 ZTE Coreporation and others.
# hu.zhijiang@zte.com.cn
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################*/
#include <pthread.h>
#include <string.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "buffer.h"
#include "tcp-common.h"
#include "misc.h"
#include "server.h"
/* Global variables shared among server*.c */
int wait_count = 0;
int client_count = 0;
int server_port = DEF_PORT; /* Currently for both UDP and TCP */
struct in_addr local_addr;
/* listen socket - global for all TCP threads */
int sfd = -1;
void init_semaphores(struct semaphores *sp)
{
if (sem_init(&sp->wait_parent, 0, 0) < 0) {
crit("sem_init() wait_parent");
}
if (sem_init(&sp->wait_child, 0, 0) < 0) {
crit("sem_init() wait_child");
}
}
void sl_wait_child(struct semlink *sl)
{
if (sl->this) {
P(sl->this->wait_child);
}
}
void sl_release_child(struct semlink *sl)
{
if (sl->this) {
V(sl->this->wait_parent);
}
}
void sl_wait_parent(struct semlink *sl)
{
P(sl->parent->wait_parent);
}
void sl_release_parent(struct semlink *sl)
{
V(sl->parent->wait_child);
}
/* Wrapper for pthread_create, additionaly may initialize/pass thru
a semaphores parameter */
struct semaphores * spawn_thread(pthread_t *pchild,
void *(*entry)(void *),
int create_sems)
{
struct semaphores *sp = NULL;
if (create_sems != 0) {
sp = (struct semaphores *) wrapper_malloc(sizeof(struct semaphores));
init_semaphores(sp);
}
if (pthread_create(pchild, 0, entry, (void *)sp) != 0) {
crit("pthread_create");
}
return sp;
}
int main(int argc, char *argv[])
{
pthread_t pchild;
log(9, "buffer size:%ld, buffer head size:%ld, data size:%ld",
PACKET_SIZE, sizeof(struct packet_ctl), PACKET_PAYLOAD_SIZE);
if (argc < 3) {
printf("Usage: %s local_ip num_of_clients [port]\n", argv[0]);
return -1;
}
if (!inet_aton(argv[1], &local_addr)) {
crit("can not resolve address: %s", argv[1]);
}
wait_count = atoi(argv[2]);
if (!wait_count) {
crit("can not serv to 0 client\n");
}
if (argc > 3) {
server_port = atoi(argv[3]);
if (!server_port) {
server_port = DEF_PORT;
}
}
/* sfd is shared by all TCP threads as sdata->ds[0].fd */
sfd = init_tcp_server_socket(0, server_port);
set_nonblock(sfd);
/* start UDP servers thread */
(void)spawn_thread(&pchild, udp_server_main, 0);
if (pthread_join(pchild, 0) < 0) {
crit("pthread_join() UDP Server");
}
return 0;
}
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