/*
- * Copyright (C) 2007-2013 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2007-2014 Andre Noll <maan@tuebingen.mpg.de>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file afs.c Paraslash's audio file selector. */
+#include <netinet/in.h>
+#include <sys/socket.h>
#include <regex.h>
#include <signal.h>
#include <fnmatch.h>
#include <osl.h>
+#include <arpa/inet.h>
+#include <sys/un.h>
+#include <netdb.h>
#include "server.cmdline.h"
#include "para.h"
*/
uint32_t cookie;
/** The associated task structure. */
- struct task task;
+ struct task *task;
};
extern int mmd_mutex;
return 1;
}
+/**
+ * Result handler for sending data to the para_client process.
+ *
+ * \param result The data to be sent.
+ * \param band The band designator.
+ * \param private Pointer to the command context.
+ *
+ * \return The return value of the underlying call to \ref command.c::send_sb.
+ *
+ * \sa \ref callback_result_handler, \ref command.c::send_sb.
+ */
+int afs_cb_result_handler(struct osl_object *result, uint8_t band,
+ void *private)
+{
+ struct command_context *cc = private;
+
+ assert(cc);
+ if (!result->size)
+ return 1;
+ return send_sb(&cc->scc, result->data, result->size, band, true);
+}
+
static void com_select_callback(int fd, const struct osl_object *query)
{
struct para_buffer pb = {
free(pb.buf);
}
-/**
- * Result handler for sending data to the para_client process.
- *
- * \param result The data to be sent.
- * \param band The band designator.
- * \param private Pointer to the command context.
- *
- * \return The return value of the underlying call to \ref command.c::send_sb.
- *
- * \sa \ref callback_result_handler, \ref command.c::send_sb.
- */
-int afs_cb_result_handler(struct osl_object *result, uint8_t band,
- void *private)
-{
- struct command_context *cc = private;
-
- assert(cc);
- if (!result->size)
- return 1;
- return send_sb(&cc->scc, result->data, result->size, band, true);
-}
-
int com_select(struct command_context *cc)
{
struct osl_object query;
return ret;
}
-static void signal_pre_select(struct sched *s, struct task *t)
+static void signal_pre_select(struct sched *s, void *context)
{
- struct signal_task *st = container_of(t, struct signal_task, task);
+ struct signal_task *st = context;
para_fd_set(st->fd, &s->rfds, &s->max_fileno);
}
-static void afs_signal_post_select(struct sched *s, struct task *t)
+static int afs_signal_post_select(struct sched *s, __a_unused void *context)
{
- int signum;
+ int signum, ret;
if (getppid() == 1) {
PARA_EMERG_LOG("para_server died\n");
}
signum = para_next_signal(&s->rfds);
if (signum == 0)
- return;
+ return 0;
if (signum == SIGHUP) {
close_afs_tables();
parse_config_or_die(1);
- t->error = open_afs_tables();
- if (t->error < 0)
- return;
+ ret = open_afs_tables();
+ if (ret < 0)
+ return ret;
init_admissible_files(current_mop);
- return;
+ return 0;
}
PARA_EMERG_LOG("terminating on signal %d\n", signum);
shutdown:
task_notify_all(s, E_AFS_SIGNAL);
- t->error = -E_AFS_SIGNAL;
+ return -E_AFS_SIGNAL;
}
static void register_signal_task(struct sched *s)
para_install_sighandler(SIGTERM);
para_install_sighandler(SIGHUP);
- st->task.pre_select = signal_pre_select;
- st->task.post_select = afs_signal_post_select;
- sprintf(st->task.status, "signal task");
- register_task(s, &st->task);
+ st->task = task_register(&(struct task_info) {
+ .name = "signal",
+ .pre_select = signal_pre_select,
+ .post_select = afs_signal_post_select,
+ .context = st,
+
+ }, s);
}
static struct list_head afs_client_list;
-/** Describes on connected afs client. */
+/** Describes one connected afs client. */
struct afs_client {
/** Position in the afs client list. */
struct list_head node;
struct timeval connect_time;
};
-static void command_pre_select(struct sched *s, struct task *t)
+static void command_pre_select(struct sched *s, void *context)
{
- struct command_task *ct = container_of(t, struct command_task, task);
+ struct command_task *ct = context;
struct afs_client *client;
para_fd_set(server_socket, &s->rfds, &s->max_fileno);
* \return Zero if \a buf is \p NULL or \a size is zero. Negative on errors,
* and positive on success.
*/
-int pass_buffer_as_shm(int fd, uint8_t band, char *buf, size_t size)
+int pass_buffer_as_shm(int fd, uint8_t band, const char *buf, size_t size)
{
int ret, shmid;
void *shm;
/** Shutdown connection if query has not arrived until this many seconds. */
#define AFS_CLIENT_TIMEOUT 3
-static void command_post_select(struct sched *s, struct task *t)
+static int command_post_select(struct sched *s, void *context)
{
- struct command_task *ct = container_of(t, struct command_task, task);
+ struct command_task *ct = context;
struct sockaddr_un unix_addr;
struct afs_client *client, *tmp;
int fd, ret;
- ret = task_get_notification(t);
- if (ret < 0) {
- t->error = ret;
- return;
- }
+ ret = task_get_notification(ct->task);
+ if (ret < 0)
+ return ret;
ret = execute_server_command(&s->rfds);
if (ret < 0) {
PARA_EMERG_LOG("%s\n", para_strerror(-ret));
task_notify_all(s, -ret);
- t->error = ret;
- return;
+ return ret;
}
/* Check the list of connected clients. */
list_for_each_entry_safe(client, tmp, &afs_client_list, node) {
if (ret < 0)
PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
if (ret <= 0)
- return;
+ return 0;
ret = mark_fd_nonblocking(fd);
if (ret < 0) {
PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
close(fd);
- return;
+ return 0;
}
client = para_malloc(sizeof(*client));
client->fd = fd;
client->connect_time = *now;
para_list_add(&client->node, &afs_client_list);
+ return 0;
}
static void register_command_task(uint32_t cookie, struct sched *s)
ct->fd = setup_command_socket_or_die();
ct->cookie = cookie;
- ct->task.pre_select = command_pre_select;
- ct->task.post_select = command_post_select;
- sprintf(ct->task.status, "afs command task");
- register_task(s, &ct->task);
+ ct->task = task_register(&(struct task_info) {
+ .name = "afs command",
+ .pre_select = command_pre_select,
+ .post_select = command_post_select,
+ .context = ct,
+ }, s);
}
/**
s.default_timeout.tv_sec = 0;
s.default_timeout.tv_usec = 999 * 1000;
ret = schedule(&s);
+ sched_shutdown(&s);
out_close:
close_afs_tables();
out:
projects / paraslash.git / blobdiff