1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
13 static const NameActiveState state_table[_SOCKET_STATE_MAX] = {
14 [SOCKET_DEAD] = NAME_INACTIVE,
15 [SOCKET_START_PRE] = NAME_ACTIVATING,
16 [SOCKET_START_POST] = NAME_ACTIVATING,
17 [SOCKET_LISTENING] = NAME_ACTIVE,
18 [SOCKET_RUNNING] = NAME_ACTIVE,
19 [SOCKET_STOP_PRE] = NAME_DEACTIVATING,
20 [SOCKET_STOP_POST] = NAME_DEACTIVATING,
21 [SOCKET_MAINTAINANCE] = NAME_INACTIVE,
24 static int socket_load(Name *n) {
25 Socket *s = SOCKET(n);
27 exec_context_defaults(&s->exec_context);
28 s->backlog = SOMAXCONN;
30 return name_load_fragment_and_dropin(n);
33 static const char* listen_lookup(int type) {
35 if (type == SOCK_STREAM)
36 return "ListenStream";
37 else if (type == SOCK_DGRAM)
38 return "ListenDatagram";
39 else if (type == SOCK_SEQPACKET)
40 return "ListenSequentialPacket";
42 assert_not_reached("Unkown socket type");
46 static void socket_dump(Name *n, FILE *f, const char *prefix) {
48 static const char* const state_table[_SOCKET_STATE_MAX] = {
49 [SOCKET_DEAD] = "dead",
50 [SOCKET_START_PRE] = "start-pre",
51 [SOCKET_START_POST] = "start-post",
52 [SOCKET_LISTENING] = "listening",
53 [SOCKET_RUNNING] = "running",
54 [SOCKET_STOP_PRE] = "stop-pre",
55 [SOCKET_STOP_POST] = "stop-post",
56 [SOCKET_MAINTAINANCE] = "maintainance"
59 static const char* const command_table[_SOCKET_EXEC_MAX] = {
60 [SOCKET_EXEC_START_PRE] = "StartPre",
61 [SOCKET_EXEC_START_POST] = "StartPost",
62 [SOCKET_EXEC_STOP_PRE] = "StopPre",
63 [SOCKET_EXEC_STOP_POST] = "StopPost"
67 Socket *s = SOCKET(n);
73 "%sSocket State: %s\n"
74 "%sBindIPv6Only: %s\n"
76 prefix, state_table[s->state],
77 prefix, yes_no(s->bind_ipv6_only),
80 LIST_FOREACH(p, s->ports) {
82 if (p->type == SOCKET_SOCKET) {
87 if ((r = socket_address_print(&p->address, &k)) < 0)
92 fprintf(f, "%s%s: %s\n", prefix, listen_lookup(p->address.type), k);
95 fprintf(f, "%sListenFIFO: %s\n", prefix, p->path);
98 exec_context_dump(&s->exec_context, f, prefix);
100 for (c = 0; c < _SOCKET_EXEC_MAX; c++) {
103 LIST_FOREACH(i, s->exec_command[c])
104 fprintf(f, "%s%s: %s\n", prefix, command_table[c], i->path);
108 static void socket_set_state(Socket *s, SocketState state) {
109 SocketState old_state;
112 old_state = s->state;
115 name_notify(NAME(s), state_table[old_state], state_table[s->state]);
118 static void close_fds(Socket *s) {
123 LIST_FOREACH(p, s->ports) {
132 static int socket_start(Name *n) {
133 Socket *s = SOCKET(n);
139 if (s->state == SOCKET_START_PRE ||
140 s->state == SOCKET_START_POST)
143 if (s->state == SOCKET_LISTENING ||
144 s->state == SOCKET_RUNNING)
147 if (s->state == SOCKET_STOP_PRE ||
148 s->state == SOCKET_STOP_POST)
151 assert(s->state == SOCKET_DEAD || s->state == SOCKET_MAINTAINANCE);
153 LIST_FOREACH(p, s->ports) {
157 if (p->type == SOCKET_SOCKET) {
159 if ((r = socket_address_listen(&p->address, s->backlog, s->bind_ipv6_only, &p->fd)) < 0)
164 assert(p->type == SOCKET_FIFO);
166 if (mkfifo(p->path, 0666 & ~s->exec_context.umask) < 0 && errno != EEXIST) {
171 if ((p->fd = open(p->path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW)) < 0) {
176 if (fstat(p->fd, &st) < 0) {
181 /* FIXME verify user, access mode */
183 if (!S_ISFIFO(st.st_mode)) {
190 socket_set_state(s, SOCKET_LISTENING);
197 socket_set_state(s, SOCKET_MAINTAINANCE);
202 static int socket_stop(Name *n) {
203 Socket *s = SOCKET(n);
207 if (s->state == SOCKET_START_PRE ||
208 s->state == SOCKET_START_POST)
211 if (s->state == SOCKET_DEAD ||
212 s->state == SOCKET_MAINTAINANCE)
215 if (s->state == SOCKET_STOP_PRE ||
216 s->state == SOCKET_STOP_POST)
219 assert(s->state == SOCKET_LISTENING || s->state == SOCKET_RUNNING);
223 socket_set_state(s, SOCKET_DEAD);
228 static NameActiveState socket_active_state(Name *n) {
231 return state_table[SOCKET(n)->state];
234 static void socket_free_hook(Name *n) {
236 Socket *s = SOCKET(n);
241 while ((p = s->ports)) {
242 LIST_REMOVE(SocketPort, s->ports, p);
250 exec_context_free(&s->exec_context);
252 for (c = 0; c < _SOCKET_EXEC_MAX; c++)
253 exec_command_free_list(s->exec_command[c]);
256 s->service->socket = NULL;
259 const NameVTable socket_vtable = {
265 .start = socket_start,
269 .active_state = socket_active_state,
271 .free_hook = socket_free_hook