int
main(int argc, char **argv)
{
char *port_number = NULL;
int ch, sock, server_port = DEFAULT_SERVER_PORT;
int debug_mode = 0;
pthread_t signal_handler;
while ((ch = getopt(argc, argv, "dp:")) != -1) {
switch (ch) {
case 'd':
debug_mode = 1;
break;
case 'p':
port_number = optarg;
break;
case '?':
default:
usage();
}
}
argc -= optind;
argv += optind;
if (port_number != NULL)
server_port = strtol(port_number, NULL, 0);
/* server_portでlistenし，socket descriptorをsockに代入 */
sock = open_accepting_socket(server_port);
if (!debug_mode) {
logutil_syslog_open(program_name, LOG_PID, LOG_LOCAL0);
daemon(0, 0);
}
// シグナルマスクの作成
sigemptyset(&signal_set);
sigaddset(&signal_set, SIGINT);
sigaddset(&signal_set, SIGTERM);
pthread_sigmask(SIG_BLOCK, &signal_set, NULL);
// シグナルハンドラスレッドの起動
pthread_create(&signal_handler, NULL, (void *)handle_signal, NULL);
/*
* 無限ループでsockをacceptし，acceptしたらそのクライアント用
* のスレッドを作成しプロトコル処理を続ける．
*/
main_loop(sock);
/*NOTREACHED*/
return (0);
}
void
session(struct xxx_connection *from_client, struct xxx_connection *to_client,
int algorithm_version, int ndivisions, int interleave_factor,
int send_stripe_sync,
int n, gfarm_stringlist *files, gfarm_stringlist *sections)
{
char *e, *pathname;
gfarm_int32_t r;
int i, listening_sock, *socks, ifd;
long file_read_size;
struct xxx_connection **conns;
struct gfs_client_rep_rate_info **rinfos = NULL;
file_offset_t file_size;
struct stat st;
struct sockaddr_in listen_addr, client_addr;
socklen_t listen_addr_len, client_addr_len;
if (rate_limit != 0) {
rinfos = malloc(sizeof(*rinfos) * ndivisions);
if (rinfos == NULL) {
fprintf(stderr,
"%s: no memory for %d rate limits "
"on gfrebe_server %s\n",
program_name, ndivisions, my_name);
fatal();
}
for (i = 0; i < ndivisions; i++) {
rinfos[i] =
gfs_client_rep_rate_info_alloc(rate_limit);
if (rinfos[i] == NULL) {
fprintf(stderr,
"%s: no memory for %d/%d rate limit "
"on gfrebe_server %s\n",
program_name, i, ndivisions, my_name);
fatal();
}
}
}
socks = malloc(sizeof(*socks) * ndivisions);
conns = malloc(sizeof(*conns) * ndivisions);
if (socks == NULL || conns == NULL) {
if (socks != NULL)
free(socks);
if (conns != NULL)
free(conns);
fprintf(stderr,
"%s: no memory for %d connections on gfrebe_server %s\n",
program_name, ndivisions, my_name);
fatal();
}
/*
* XXX FIXME: this port may be blocked by firewall.
* This should be implemented via gfsd connection passing service.
*/
listening_sock = open_accepting_socket();
listen_addr_len = sizeof(listen_addr);
if (getsockname(listening_sock,
(struct sockaddr *)&listen_addr, &listen_addr_len) == -1) {
fprintf(stderr, "%s: getsockname: %s\n",
program_name, strerror(errno));
fatal();
}
e = xxx_proto_send(to_client, "i", htons(listen_addr.sin_port));
if (e == NULL)
e = xxx_proto_flush(to_client);
if (e != NULL) {
fprintf(stderr,
"%s: while sending port number on %s: %s\n",
program_name, my_name, e);
fatal();
}
/* XXX FIXME: make connections in parallel */
for (i = 0; i < ndivisions; i++) {
client_addr_len = sizeof(client_addr);
socks[i] = accept(listening_sock,
(struct sockaddr *)&client_addr, &client_addr_len);
if (socks[i] == -1) {
if (errno == EINTR) {
--i;
continue;
}
fprintf(stderr,
"%s: while accepting sockets on %s: %s\n",
program_name, my_name, strerror(errno));
fatal();
}
e = xxx_fd_connection_new(socks[i], &conns[i]);
if (e != NULL) {
fprintf(stderr,
"%s: while allocating connection %d on %s: %s\n",
program_name, i, my_name, e);
fatal();
}
e = gfarm_authorize(conns[i], 1, NULL, NULL, NULL);
if (e != NULL) {
fprintf(stderr,
"%s: authorization on %s: %s\n",
program_name, my_name, e);
fatal();
}
e = xxx_proto_send(conns[i], "i", i);
if (e == NULL)
e = xxx_proto_flush(conns[i]);
if (e != NULL) {
fprintf(stderr,
"%s: sending connection index on %s: %s\n",
program_name, my_name, e);
fatal();
}
}
close(listening_sock);
e = gfarm_netparam_config_get_long(&gfarm_netparam_file_read_size,
NULL, (struct sockaddr *)&client_addr, &file_read_size);
if (e != NULL) { /* shouldn't happen */
fprintf(stderr, "%s: get netparam file_read_size on %s: %s\n",
program_name, my_name, e);
fatal();
}
e = gfarm_netparam_config_get_long(&gfarm_netparam_rate_limit,
NULL, (struct sockaddr *)&client_addr, &rate_limit);
if (e != NULL) { /* shouldn't happen */
fprintf(stderr, "%s: get netparam rate_limit on %s: %s\n",
program_name, my_name, e);
fatal();
}
for (i = 0; i < n; i++) {
char *file = gfarm_stringlist_elem(files, i);
char *section = gfarm_stringlist_elem(sections, i);
/* NOTE: assumes current directory == spool_root */
if (*section == '\0') {
pathname = file;
} else {
pathname = malloc(strlen(file) + strlen(section) + 2);
if (pathname == NULL) {
fprintf(stderr,
"%s: no memory for pathname %s:%s"
" to replicate on %s\n",
program_name, file, section, my_name);
fatal();
}
sprintf(pathname, "%s:%s", file, section);
}
ifd = open(pathname, O_RDONLY);
if (ifd == -1) {
r = gfs_errno_to_proto_error(errno);
} else if (fstat(ifd, &st) == -1) {
r = gfs_errno_to_proto_error(errno);
} else {
r = GFS_ERROR_NOERROR;
file_size = st.st_size;
}
e = xxx_proto_send(conns[0], "i", r);
if (e != NULL) {
fprintf(stderr, "%s: send reply on %s\n",
program_name, my_name);
fatal();
}
if (r != GFS_ERROR_NOERROR)
continue;
e = xxx_proto_send(conns[0], "o", file_size);
if (e == NULL)
e = xxx_proto_flush(conns[0]);
if (e != NULL) {
fprintf(stderr, "%s: send reply on %s\n",
program_name, my_name);
fatal();
}
e = transfer(pathname, ifd, file_size, algorithm_version,
ndivisions, interleave_factor, file_read_size,
send_stripe_sync, conns, socks, rinfos,
&r);
close(ifd);
e = xxx_proto_send(conns[0], "i", r);
if (e != NULL) {
fprintf(stderr, "%s: send reply on %s\n",
program_name, my_name);
fatal();
}
if (*section != '\0')
free(pathname);
}
e = xxx_proto_flush(conns[0]);
if (e != NULL) {
fprintf(stderr, "%s: send reply on %s\n",
program_name, my_name);
fatal();
}
for (i = 0; i < ndivisions; i++)
xxx_connection_free(conns[i]);
free(conns);
free(socks);
if (rinfos != NULL) {
for (i = 0; i < ndivisions; i++)
gfs_client_rep_rate_info_free(rinfos[i]);
free(rinfos);
}
}
int
main(int argc, char **argv)
{
extern char *optarg;
extern int optind;
char *e, *config_file = NULL, *port_number = NULL;
int syslog_facility = GFARM_DEFAULT_FACILITY;
int ch, sock, table_size;
if (argc >= 1)
program_name = basename(argv[0]);
gflog_set_identifier(program_name);
while ((ch = getopt(argc, argv, "df:p:s:")) != -1) {
switch (ch) {
case 'd':
debug_mode = 1;
break;
case 'f':
config_file = optarg;
break;
case 'p':
port_number = optarg;
break;
case 's':
syslog_facility =
gflog_syslog_name_to_facility(optarg);
if (syslog_facility == -1)
gflog_fatal(optarg, "unknown syslog facility");
break;
case '?':
default:
usage();
}
}
argc -= optind;
argv += optind;
if (config_file != NULL)
gfarm_config_set_filename(config_file);
e = gfarm_server_initialize();
if (e != NULL) {
fprintf(stderr, "gfarm_server_initialize: %s\n", e);
exit(1);
}
if (port_number != NULL)
gfarm_metadb_server_port = strtol(port_number, NULL, 0);
sock = open_accepting_socket(gfarm_metadb_server_port);
if (!debug_mode) {
gflog_syslog_open(LOG_PID, syslog_facility);
gfarm_daemon(0, 0);
}
table_size = GFMD_CONNECTION_LIMIT;
gfarm_unlimit_nofiles(&table_size);
if (table_size > GFMD_CONNECTION_LIMIT)
table_size = GFMD_CONNECTION_LIMIT;
file_table_init(table_size);
job_table_init(table_size);
/*
* We don't want SIGPIPE, but want EPIPE on write(2)/close(2).
*/
signal(SIGPIPE, SIG_IGN);
main_loop(sock);
/*NOTREACHED*/
return (0); /* to shut up warning */
}