#include "afh.h"
#include "string.h"
#include "afs.h"
+#include "net.h"
#include "server.h"
#include "list.h"
#include "send.h"
#include "vss.h"
#include "config.h"
#include "close_on_fork.h"
-#include "net.h"
#include "daemon.h"
#include "ipc.h"
#include "fd.h"
/** The task responsible for server command handling. */
struct server_command_task {
- /** TCP port on which para_server listens for connections. */
- int listen_fd;
+ unsigned num_listen_fds; /* only one by default */
+ /** TCP socket(s) on which para_server listens for connections. */
+ int *listen_fds;
/* File descriptor for the accepted socket. */
int child_fd;
/** Copied from para_server's main function. */
static void command_pre_select(struct sched *s, void *context)
{
+ unsigned n;
struct server_command_task *sct = context;
- para_fd_set(sct->listen_fd, &s->rfds, &s->max_fileno);
+
+ for (n = 0; n < sct->num_listen_fds; n++)
+ para_fd_set(sct->listen_fds[n], &s->rfds, &s->max_fileno);
}
-static int command_post_select(struct sched *s, void *context)
+static int command_task_accept(unsigned listen_idx, struct sched *s,
+ struct server_command_task *sct)
{
- struct server_command_task *sct = context;
int new_fd, ret, i;
char *peer_name;
pid_t child_pid;
uint32_t *chunk_table;
- ret = task_get_notification(sct->task);
- if (ret < 0)
- return ret;
- ret = para_accept(sct->listen_fd, &s->rfds, NULL, 0, &new_fd);
+ ret = para_accept(sct->listen_fds[listen_idx], &s->rfds, NULL, 0, &new_fd);
if (ret <= 0)
goto out;
mmd->num_connects++;
return 0;
}
+static int command_post_select(struct sched *s, void *context)
+{
+ struct server_command_task *sct = context;
+ unsigned n;
+ int ret;
+
+ ret = task_get_notification(sct->task);
+ if (ret < 0)
+ return ret;
+ for (n = 0; n < sct->num_listen_fds; n++) {
+ ret = command_task_accept(n, s, sct);
+ if (ret < 0) {
+ free(sct->listen_fds);
+ return ret;
+ }
+ }
+ return 0;
+}
+
static void init_server_command_task(struct server_command_task *sct,
int argc, char **argv)
{
int ret;
+ unsigned n;
+ uint32_t port = OPT_UINT32_VAL(PORT);
PARA_NOTICE_LOG("initializing tcp command socket\n");
sct->child_fd = -1;
sct->argc = argc;
sct->argv = argv;
- ret = para_listen_simple(IPPROTO_TCP, OPT_UINT32_VAL(PORT));
- if (ret < 0)
- goto err;
- sct->listen_fd = ret;
- ret = mark_fd_nonblocking(sct->listen_fd);
- if (ret < 0)
- goto err;
- add_close_on_fork_list(sct->listen_fd); /* child doesn't need the listener */
+ if (!OPT_GIVEN(LISTEN_ADDRESS)) {
+ sct->num_listen_fds = 1;
+ sct->listen_fds = para_malloc(sizeof(int));
+ ret = para_listen_simple(IPPROTO_TCP, port);
+ if (ret < 0)
+ goto err;
+ sct->listen_fds[0] = ret;
+ } else {
+ sct->num_listen_fds = OPT_GIVEN(LISTEN_ADDRESS);
+ sct->listen_fds = para_malloc(sct->num_listen_fds * sizeof(int));
+ for (n = 0; n < OPT_GIVEN(LISTEN_ADDRESS); n++) {
+ const char *arg;
+ arg = lls_string_val(n, OPT_RESULT(LISTEN_ADDRESS));
+ ret = para_listen(IPPROTO_TCP, arg, port);
+ if (ret < 0)
+ goto err;
+ sct->listen_fds[n] = ret;
+ }
+ }
+ for (n = 0; n < sct->num_listen_fds; n++) {
+ ret = mark_fd_nonblocking(sct->listen_fds[n]);
+ if (ret < 0)
+ goto err;
+ /* child doesn't need the listener */
+ add_close_on_fork_list(sct->listen_fds[n]);
+ }
+
sct->task = task_register(&(struct task_info) {
.name = "server command",
.pre_select = command_pre_select,
int i;
afs_pid = getpid();
+ crypt_shutdown();
user_list_deplete();
for (i = argc - 1; i >= 0; i--)
memset(argv[i], 0, strlen(argv[i]));
if (OPT_GIVEN(DAEMON))
daemon_pipe = daemonize(true /* parent waits for SIGTERM */);
server_pid = getpid();
- init_random_seed_or_die();
+ crypt_init();
daemon_log_welcome("server");
init_ipc_or_die(); /* init mmd struct, mmd and log mutex */
daemon_set_start_time();
return ret;
}
+/**
+ * Deallocate all lopsub parse results.
+ *
+ * The server allocates a parse result for command line options and optionally
+ * a second parse result for the effective configuration, defined by merging
+ * the command line options with the options stored in the configuration file.
+ * This function frees both structures.
+ */
+void free_lpr(void)
+{
+ lls_free_parse_result(server_lpr, CMD_PTR);
+ if (server_lpr != cmdline_lpr)
+ lls_free_parse_result(cmdline_lpr, CMD_PTR);
+}
+
/**
* The main function of para_server.
*
*/
mutex_unlock(mmd_mutex);
sched_shutdown(&sched);
+ crypt_shutdown();
signal_shutdown(signal_task);
if (!process_is_command_handler()) { /* parent (server) */
mutex_destroy(mmd_mutex);
daemon_set_hooks(NULL, NULL); /* only one process remaining */
mutex_destroy(log_mutex);
- shm_detach(mmd);
deplete_close_on_fork_list();
if (ret < 0)
PARA_EMERG_LOG("%s\n", para_strerror(-ret));
vss_shutdown();
shm_detach(mmd);
user_list_deplete();
- lls_free_parse_result(server_lpr, CMD_PTR);
- if (server_lpr != cmdline_lpr)
- lls_free_parse_result(cmdline_lpr, CMD_PTR);
+ free_lpr();
exit(ret < 0? EXIT_FAILURE : EXIT_SUCCESS);
}
projects / paraslash.git / blobdiff