#include <stdlib.h>
#include <string.h>
#include <signal.h>
-
#include <sys/param.h>
#include <sys/uio.h>
-#include <atalk/logger.h>
#include <sys/time.h>
#include <sys/socket.h>
-
+#include <sys/poll.h>
#include <errno.h>
+#include <sys/wait.h>
+#include <atalk/logger.h>
#include <atalk/adouble.h>
-
#include <netatalk/at.h>
#include <atalk/compat.h>
#include <atalk/dsi.h>
-#include <atalk/atp.h>
-#include <atalk/asp.h>
#include <atalk/afp.h>
#include <atalk/paths.h>
#include <atalk/util.h>
#include <atalk/server_child.h>
#include <atalk/server_ipc.h>
+#include <atalk/errchk.h>
+#include <atalk/locking.h>
+
+#include "event2/event.h"
+#include "event2/http.h"
+#include "event2/rpc.h"
#include "globals.h"
#include "afp_config.h"
unsigned char nologin = 0;
struct afp_options default_options;
+
static AFPConfig *configs;
static server_child *server_children;
-static fd_set save_rfds;
-static int Ipc_fd = -1;
static sig_atomic_t reloadconfig = 0;
+/* Two pointers to dynamic allocated arrays which store pollfds and associated data */
+static struct pollfd *fdset;
+static struct polldata *polldata;
+static int fdset_size; /* current allocated size */
+static int fdset_used; /* number of used elements */
+
+
#ifdef TRU64
void afp_get_cmdline( int *ac, char ***av)
{
}
#endif /* TRU64 */
-static void afp_exit(const int i)
+/* This is registered with atexit() */
+static void afp_exit(void)
{
- server_unlock(default_options.pidfile);
- exit(i);
+ if (parent_or_child == 0)
+ /* Only do this in the parent */
+ server_unlock(default_options.pidfile);
}
+
/* ------------------
initialize fd set we are waiting for.
*/
-static void set_fd(int ipc_fd)
+static void fd_set_listening_sockets(void)
{
AFPConfig *config;
- FD_ZERO(&save_rfds);
for (config = configs; config; config = config->next) {
if (config->fd < 0) /* for proxies */
continue;
- FD_SET(config->fd, &save_rfds);
- }
- if (ipc_fd >= 0) {
- FD_SET(ipc_fd, &save_rfds);
+ fdset_add_fd(&fdset, &polldata, &fdset_used, &fdset_size, config->fd, LISTEN_FD, config);
}
}
+static void fd_reset_listening_sockets(void)
+{
+ AFPConfig *config;
+
+ for (config = configs; config; config = config->next) {
+ if (config->fd < 0) /* for proxies */
+ continue;
+ fdset_del_fd(&fdset, &polldata, &fdset_used, &fdset_size, config->fd);
+ }
+ fd_set_listening_sockets();
+}
+
/* ------------------ */
static void afp_goaway(int sig)
{
+ if (server_children)
+ server_child_kill(server_children, CHILD_DSIFORK, sig);
-#ifndef NO_DDP
- asp_kill(sig);
-#endif /* ! NO_DDP */
-
- dsi_kill(sig);
switch( sig ) {
case SIGTERM :
for (config = configs; config; config = config->next)
if (config->server_cleanup)
config->server_cleanup(config);
- afp_exit(0);
+ server_unlock(default_options.pidfile);
+ exit(0);
break;
case SIGUSR1 :
static void child_handler(int sig _U_)
{
- server_child_handler(server_children);
+ int fd;
+ int status, i;
+ pid_t pid;
+
+#ifndef WAIT_ANY
+#define WAIT_ANY (-1)
+#endif /* ! WAIT_ANY */
+
+ while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) > 0) {
+ for (i = 0; i < server_children->nforks; i++) {
+ if ((fd = server_child_remove(server_children, i, pid)) != -1) {
+ fdset_del_fd(&fdset, &polldata, &fdset_used, &fdset_size, fd);
+ break;
+ }
+ }
+
+ if (WIFEXITED(status)) {
+ if (WEXITSTATUS(status))
+ LOG(log_info, logtype_afpd, "child[%d]: exited %d", pid, WEXITSTATUS(status));
+ else
+ LOG(log_info, logtype_afpd, "child[%d]: done", pid);
+ } else {
+ if (WIFSIGNALED(status))
+ LOG(log_info, logtype_afpd, "child[%d]: killed by signal %d", pid, WTERMSIG(status));
+ else
+ LOG(log_info, logtype_afpd, "child[%d]: died", pid);
+ }
+ }
}
int main(int ac, char **av)
/* Log SIGBUS/SIGSEGV SBT */
fault_setup(NULL);
+ /* Default log setup: log to syslog */
+ setuplog("default log_note");
+
afp_options_init(&default_options);
if (!afp_options_parse(ac, av, &default_options))
exit(EXITERR_CONF);
default: /* server */
exit(0);
}
+ atexit(afp_exit);
/* install child handler for asp and dsi. we do this before afp_goaway
* as afp_goaway references stuff from here.
if (!(server_children = server_child_alloc(default_options.connections,
CHILD_NFORKS))) {
LOG(log_error, logtype_afpd, "main: server_child alloc: %s", strerror(errno) );
- afp_exit(EXITERR_SYS);
+ exit(EXITERR_SYS);
}
memset(&sv, 0, sizeof(sv));
-#ifdef AFP3x
/* linux at least up to 2.4.22 send a SIGXFZ for vfat fs,
even if the file is open with O_LARGEFILE ! */
#ifdef SIGXFSZ
sigemptyset( &sv.sa_mask );
if (sigaction(SIGXFSZ, &sv, NULL ) < 0 ) {
LOG(log_error, logtype_afpd, "main: sigaction: %s", strerror(errno) );
- afp_exit(EXITERR_SYS);
+ exit(EXITERR_SYS);
}
-#endif
#endif
sv.sa_handler = child_handler;
sv.sa_flags = SA_RESTART;
if ( sigaction( SIGCHLD, &sv, NULL ) < 0 ) {
LOG(log_error, logtype_afpd, "main: sigaction: %s", strerror(errno) );
- afp_exit(EXITERR_SYS);
+ exit(EXITERR_SYS);
}
sv.sa_handler = afp_goaway;
sv.sa_flags = SA_RESTART;
if ( sigaction( SIGUSR1, &sv, NULL ) < 0 ) {
LOG(log_error, logtype_afpd, "main: sigaction: %s", strerror(errno) );
- afp_exit(EXITERR_SYS);
+ exit(EXITERR_SYS);
}
sigemptyset( &sv.sa_mask );
sv.sa_flags = SA_RESTART;
if ( sigaction( SIGHUP, &sv, NULL ) < 0 ) {
LOG(log_error, logtype_afpd, "main: sigaction: %s", strerror(errno) );
- afp_exit(EXITERR_SYS);
+ exit(EXITERR_SYS);
}
sv.sa_flags = SA_RESTART;
if ( sigaction( SIGTERM, &sv, NULL ) < 0 ) {
LOG(log_error, logtype_afpd, "main: sigaction: %s", strerror(errno) );
- afp_exit(EXITERR_SYS);
+ exit(EXITERR_SYS);
}
/* afpd.conf: not in config file: lockfile, connections, configfile
pthread_sigmask(SIG_BLOCK, &sigs, NULL);
if (!(configs = configinit(&default_options))) {
LOG(log_error, logtype_afpd, "main: no servers configured");
- afp_exit(EXITERR_CONF);
+ exit(EXITERR_CONF);
}
pthread_sigmask(SIG_UNBLOCK, &sigs, NULL);
- /* Register CNID */
+ /* Initialize */
cnid_init();
-
+ if (locktable_init("XXX") != 0)
+ exit(EXITERR_SYS);
+#if 0
+ if (rpc_init("127.0.0.1", 4701) != 0)
+ exit(EXITERR_SYS);
+#endif
+
/* watch atp, dsi sockets and ipc parent/child file descriptor. */
- if ((ipc = server_ipc_create())) {
- Ipc_fd = server_ipc_parent(ipc);
- }
- set_fd(Ipc_fd);
+ fd_set_listening_sockets();
+
+ afp_child_t *child;
/* wait for an appleshare connection. parent remains in the loop
* while the children get handled by afp_over_{asp,dsi}. this is
* afterwards. establishing timeouts for logins is a possible
* solution. */
while (1) {
- rfds = save_rfds;
+ LOG(log_maxdebug, logtype_afpd, "main: polling %i fds", fdset_used);
pthread_sigmask(SIG_UNBLOCK, &sigs, NULL);
- ret = select(FD_SETSIZE, &rfds, NULL, NULL, NULL);
+ ret = poll(fdset, fdset_used, -1);
pthread_sigmask(SIG_BLOCK, &sigs, NULL);
int saveerrno = errno;
if (reloadconfig) {
nologin++;
auth_unload();
- AFPConfig *config;
LOG(log_info, logtype_afpd, "re-reading configuration file");
for (config = configs; config; config = config->next)
configfree(configs, NULL);
if (!(configs = configinit(&default_options))) {
LOG(log_error, logtype_afpd, "config re-read: no servers configured");
- afp_exit(EXITERR_CONF);
+ exit(EXITERR_CONF);
}
- set_fd(Ipc_fd);
+ fd_reset_listening_sockets();
nologin = 0;
reloadconfig = 0;
errno = saveerrno;
}
+
+ if (ret == 0)
+ continue;
if (ret < 0) {
if (errno == EINTR)
LOG(log_error, logtype_afpd, "main: can't wait for input: %s", strerror(errno));
break;
}
- if (Ipc_fd >=0 && FD_ISSET(Ipc_fd, &rfds)) {
- server_ipc_read(server_children);
- }
- for (config = configs; config; config = config->next) {
- if (config->fd < 0)
- continue;
- if (FD_ISSET(config->fd, &rfds)) {
- config->server_start(config, configs, server_children);
- }
- }
- }
+
+ for (int i = 0; i < fdset_used; i++) {
+ if (fdset[i].revents & POLLIN) {
+ switch (polldata[i].fdtype) {
+ case LISTEN_FD:
+ config = (AFPConfig *)polldata[i].data;
+ /* config->server_start is afp_config.c:dsi_start() for DSI */
+ if (child = config->server_start(config, configs, server_children)) {
+ /* Add IPC fd to select fd set */
+ fdset_add_fd(&fdset, &polldata, &fdset_used, &fdset_size, child->ipc_fds[0], IPC_FD, child);
+ }
+ break;
+ case IPC_FD:
+ child = (afp_child_t *)polldata[i].data;
+ LOG(log_debug, logtype_afpd, "main: IPC request from child[%u]", child->pid);
+ if ((ret = ipc_server_read(server_children, child->ipc_fds[0])) == 0) {
+ fdset_del_fd(&fdset, &polldata, &fdset_used, &fdset_size, child->ipc_fds[0]);
+ close(child->ipc_fds[0]);
+ child->ipc_fds[0] = -1;
+ }
+ break;
+ default:
+ LOG(log_debug, logtype_afpd, "main: IPC request for unknown type");
+ break;
+ } /* switch */
+ } /* if */
+ } /* for (i)*/
+ } /* while (1) */
return 0;
}
projects / netatalk.git / blobdiff