/*
Handle all processes
*/
void handle_processes()
{
int c1 = fork();
int c2;
// means this is parent process
if(c1 != 0)
{
c2 = fork();
}
// make sure no failures with fork
if(c1 < 0 || c2 < 0)
{
perror("Something failed with fork...\n");
_exit(1);
}
/* Handle Each process */
/* Handle Child 1 */
if(c1 == 0)
{
handle_child1();
}
/* Handle Child 2 */
else if(c2 == 0)
{
handle_child2();
}
/* Handle Parent Process */
else // if c1 && c2 != 0
{
handle_parent(c1, c2);
}
}
void handle_fork(pid_t pid, _Bool in_background, char *tokens[]) {
if (pid == 0) {
handle_child(tokens, in_background);
} else if (pid < 0) {
fprintf(stderr, "Please, make sure to specify a positive integer.\n");
} else {
handle_parent(pid, in_background, tokens);
}
}
int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
if (argc == 1) // parent
ACE_ASSERT (handle_parent (argv[0]) == 0);
else
ACE_ASSERT (handle_child () == 0);
ACE_UNUSED_ARG (argv);
return 0;
}
void begin_session(session_t *sess)
{
/*开启接收带外数据*/
activate_oobinline(sess->ctrl_fd);
/*
int sockfds[2];
if (socketpair(AF_UNIX, SOCK_STREAM, 0, sockfds) < 0)
{
ERR_EXIT("socketpair");
}
*/
/*初始化内部进程间通讯通道*/
priv_sock_init(sess);
pid_t pid;
pid = fork();
if (pid < 0)
{
ERR_EXIT("fork");
}
if (pid == 0)
{
//ftp服务进程
/*
close(sockfds[0]);
sess->child_fd = sockfds[1];
*/
/*设置子进程环境*/
priv_sock_set_child_context(sess);
handle_child(sess);
}
else
{
//nobody进程
/*
close(sockfds[1]);
sess->parent_fd = sockfds[0];
*/
/*设置父进程环境*/
priv_sock_set_parent_context(sess);
handle_parent(sess);
}
}
/* File handling starts here and tasks are assigned to each process */
void parse_file(FILE *input)
{
switch (*identifier)
{
case PARENT_IDENTIFIER:
handle_parent(input);
break;
case MAPPER_IDENTIFIER:
handle_mapper();
break;
case REDUCER_IDENTIFIER:
handle_reducer();
break;
default:
exit(1);
break;
}
}
void begin_session(session_t* psess)
{
priv_sock_init(psess);
pid_t pid = fork();
if (pid == -1)
ERR_EXIT("fork");
if (pid == 0)
{//服务进程
priv_sock_set_child_context(psess);
handle_child(psess);
}
else if(pid > 0)
{//nobody进程
priv_sock_set_parent_context(psess);
handle_parent(psess);
}
}
void begin_session(session_t *sess)
{
activate_oobinline(sess->ctrl_fd);
priv_sock_init(sess);
pid_t pid;
pid = fork();
if(pid < 0)
ERR_EXIT("fork");
if(pid == 0)
{
/* ftp process */
priv_sock_set_child_context(sess);
handle_child(sess);
}else
{
/* nobody process */
priv_sock_set_parent_context(sess);
handle_parent(sess);
}
}
void begin_session(session_t *sess)
{
/* struct passwd *pw = getpwnam("nobody");
if(pw == NULL)
return;
if(setegid(pw->pw_gid) < 0)
ERR_EXIT("setegid");
if(seteuid(pw->pw_uid) < 0)
ERR_EXIT("seteuid");*/
int sockfds[2];
if(socketpair(PF_UNIX, SOCK_STREAM, 0, sockfds) < 0)
ERR_EXIT("sockpair");
priv_sock_init(sess);
pid_t pid;
pid = fork();
if(pid < 0)
ERR_EXIT("fork");
if (pid == 0)
{
/* close(sockfds[0]);
sess->parent_fd = sockfds[1];*/
priv_sock_set_child_context(sess);
handle_child(sess);
}
else
{
/* close(sockfds[1]);
sess->child_fd = sockfds[0];*/
priv_sock_set_parent_context(sess);
handle_parent(sess);
}
}
