#include <fcntl.h>
#include <sys/epoll.h>
#include <signal.h>
+#include <arpa/inet.h>
#include "unit.h"
#include "socket.h"
#include "load-dropin.h"
#include "load-fragment.h"
#include "strv.h"
+#include "unit-name.h"
+#include "dbus-socket.h"
static const UnitActiveState state_translation_table[_SOCKET_STATE_MAX] = {
[SOCKET_DEAD] = UNIT_INACTIVE,
[SOCKET_MAINTAINANCE] = UNIT_INACTIVE,
};
-static const char* const state_string_table[_SOCKET_STATE_MAX] = {
- [SOCKET_DEAD] = "dead",
- [SOCKET_START_PRE] = "start-pre",
- [SOCKET_START_POST] = "start-post",
- [SOCKET_LISTENING] = "listening",
- [SOCKET_RUNNING] = "running",
- [SOCKET_STOP_PRE] = "stop-pre",
- [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm",
- [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill",
- [SOCKET_STOP_POST] = "stop-post",
- [SOCKET_FINAL_SIGTERM] = "final-sigterm",
- [SOCKET_FINAL_SIGKILL] = "final-sigkill",
- [SOCKET_MAINTAINANCE] = "maintainance"
-};
+static void socket_init(Unit *u) {
+ Socket *s = SOCKET(u);
+
+ assert(u);
+ assert(u->meta.load_state == UNIT_STUB);
+
+ s->timer_watch.type = WATCH_INVALID;
+ s->backlog = SOMAXCONN;
+ s->timeout_usec = DEFAULT_TIMEOUT_USEC;
+ s->directory_mode = 0755;
+ s->socket_mode = 0666;
+
+ exec_context_init(&s->exec_context);
+
+ s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
+}
static void socket_unwatch_control_pid(Socket *s) {
assert(s);
while ((p = s->ports)) {
LIST_REMOVE(SocketPort, port, s->ports, p);
- if (p->fd >= 0)
- close_nointr(p->fd);
+ if (p->fd >= 0) {
+ unit_unwatch_fd(UNIT(s), &p->fd_watch);
+ close_nointr_nofail(p->fd);
+ }
+
free(p->path);
free(p);
}
unit_unwatch_timer(u, &s->timer_watch);
}
-static void socket_init(Unit *u) {
- Socket *s = SOCKET(u);
+static bool have_non_accept_socket(Socket *s) {
+ SocketPort *p;
- assert(u);
- assert(u->meta.load_state == UNIT_STUB);
+ assert(s);
- s->state = 0;
- s->timer_watch.type = WATCH_INVALID;
- s->bind_ipv6_only = false;
- s->backlog = SOMAXCONN;
- s->timeout_usec = DEFAULT_TIMEOUT_USEC;
- s->directory_mode = 0755;
- s->socket_mode = 0666;
- s->kill_mode = 0;
- s->failure = false;
- s->control_pid = 0;
- s->service = NULL;
- exec_context_init(&s->exec_context);
+ if (!s->accept)
+ return true;
+
+ LIST_FOREACH(port, p, s->ports) {
+
+ if (p->type != SOCKET_SOCKET)
+ return true;
+
+ if (!socket_address_can_accept(&p->address))
+ return true;
+ }
+
+ return false;
+}
+
+static int socket_verify(Socket *s) {
+ assert(s);
+
+ if (UNIT(s)->meta.load_state != UNIT_LOADED)
+ return 0;
+
+ if (!s->ports) {
+ log_error("%s lacks Listen setting. Refusing.", UNIT(s)->meta.id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static bool socket_needs_mount(Socket *s, const char *prefix) {
+ SocketPort *p;
+
+ assert(s);
+
+ LIST_FOREACH(port, p, s->ports) {
+
+ if (p->type == SOCKET_SOCKET) {
+ if (socket_address_needs_mount(&p->address, prefix))
+ return true;
+ } else {
+ assert(p->type == SOCKET_FIFO);
+ if (path_startswith(p->path, prefix))
+ return true;
+ }
+ }
+
+ return false;
+}
+
+int socket_add_one_mount_link(Socket *s, Mount *m) {
+ int r;
+
+ assert(s);
+ assert(m);
+
+ if (s->meta.load_state != UNIT_LOADED ||
+ m->meta.load_state != UNIT_LOADED)
+ return 0;
+
+ if (!socket_needs_mount(s, m->where))
+ return 0;
+
+ if ((r = unit_add_dependency(UNIT(m), UNIT_BEFORE, UNIT(s), true)) < 0)
+ return r;
+
+ if ((r = unit_add_dependency(UNIT(s), UNIT_REQUIRES, UNIT(m), true)) < 0)
+ return r;
+
+ return 0;
+}
+
+static int socket_add_mount_links(Socket *s) {
+ Meta *other;
+ int r;
+
+ assert(s);
+
+ LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_MOUNT])
+ if ((r = socket_add_one_mount_link(s, (Mount*) other)) < 0)
+ return r;
+
+ return 0;
+}
+
+static int socket_add_device_link(Socket *s) {
+ char *t;
+ int r;
+
+ assert(s);
+
+ if (!s->bind_to_device)
+ return 0;
+
+ if (asprintf(&t, "/sys/subsystem/net/devices/%s", s->bind_to_device) < 0)
+ return -ENOMEM;
+
+ r = unit_add_node_link(UNIT(s), t, false);
+ free(t);
+
+ return r;
}
static int socket_load(Unit *u) {
/* This is a new unit? Then let's add in some extras */
if (u->meta.load_state == UNIT_LOADED) {
- if ((r = unit_load_related_unit(u, ".service", (Unit**) &s->service)))
+ if (have_non_accept_socket(s)) {
+ if ((r = unit_load_related_unit(u, ".service", (Unit**) &s->service)))
+ return r;
+
+ if ((r = unit_add_dependency(u, UNIT_BEFORE, UNIT(s->service), true)) < 0)
+ return r;
+ }
+
+ if ((r = socket_add_mount_links(s)) < 0)
return r;
- if ((r = unit_add_dependency(u, UNIT_BEFORE, UNIT(s->service))) < 0)
+ if ((r = socket_add_device_link(s)) < 0)
return r;
if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
return r;
}
- return 0;
+ return socket_verify(s);
}
static const char* listen_lookup(int type) {
static void socket_dump(Unit *u, FILE *f, const char *prefix) {
- static const char* const command_table[_SOCKET_EXEC_COMMAND_MAX] = {
- [SOCKET_EXEC_START_PRE] = "StartPre",
- [SOCKET_EXEC_START_POST] = "StartPost",
- [SOCKET_EXEC_STOP_PRE] = "StopPre",
- [SOCKET_EXEC_STOP_POST] = "StopPost"
- };
-
SocketExecCommand c;
Socket *s = SOCKET(u);
SocketPort *p;
"%sKillMode: %s\n"
"%sSocketMode: %04o\n"
"%sDirectoryMode: %04o\n",
- prefix, state_string_table[s->state],
+ prefix, socket_state_to_string(s->state),
prefix, yes_no(s->bind_ipv6_only),
prefix, s->backlog,
prefix, kill_mode_to_string(s->kill_mode),
"%sBindToDevice: %s\n",
prefix, s->bind_to_device);
+ if (s->accept)
+ fprintf(f,
+ "%sAccepted: %u\n",
+ prefix, s->n_accepted);
+
LIST_FOREACH(port, p, s->ports) {
if (p->type == SOCKET_SOCKET) {
if (!s->exec_command[c])
continue;
- fprintf(f, "%s→ %s:\n",
- prefix, command_table[c]);
+ fprintf(f, "%s-> %s:\n",
+ prefix, socket_exec_command_to_string(c));
exec_command_dump_list(s->exec_command[c], f, prefix2);
}
free(p2);
}
+static int instance_from_socket(int fd, unsigned nr, char **instance) {
+ socklen_t l;
+ char *r;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_un un;
+ struct sockaddr_in in;
+ struct sockaddr_in6 in6;
+ struct sockaddr_storage storage;
+ } local, remote;
+
+ assert(fd >= 0);
+ assert(instance);
+
+ l = sizeof(local);
+ if (getsockname(fd, &local.sa, &l) < 0)
+ return -errno;
+
+ l = sizeof(remote);
+ if (getpeername(fd, &remote.sa, &l) < 0)
+ return -errno;
+
+ switch (local.sa.sa_family) {
+
+ case AF_INET: {
+ uint32_t
+ a = ntohl(local.in.sin_addr.s_addr),
+ b = ntohl(remote.in.sin_addr.s_addr);
+
+ if (asprintf(&r,
+ "%u-%u.%u.%u.%u:%u-%u.%u.%u.%u:%u",
+ nr,
+ a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF,
+ ntohs(local.in.sin_port),
+ b >> 24, (b >> 16) & 0xFF, (b >> 8) & 0xFF, b & 0xFF,
+ ntohs(remote.in.sin_port)) < 0)
+ return -ENOMEM;
+
+ break;
+ }
+
+ case AF_INET6: {
+ char a[INET6_ADDRSTRLEN], b[INET6_ADDRSTRLEN];
+
+ if (asprintf(&r,
+ "%u-%s:%u-%s:%u",
+ nr,
+ inet_ntop(AF_INET6, &local.in6.sin6_addr, a, sizeof(a)),
+ ntohs(local.in6.sin6_port),
+ inet_ntop(AF_INET6, &remote.in6.sin6_addr, b, sizeof(b)),
+ ntohs(remote.in6.sin6_port)) < 0)
+ return -ENOMEM;
+
+ break;
+ }
+
+ case AF_UNIX: {
+ struct ucred ucred;
+
+ l = sizeof(ucred);
+ if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l) < 0)
+ return -errno;
+
+ if (asprintf(&r,
+ "%u-%llu-%llu",
+ nr,
+ (unsigned long long) ucred.pid,
+ (unsigned long long) ucred.uid) < 0)
+ return -ENOMEM;
+
+ break;
+ }
+
+ default:
+ assert_not_reached("Unhandled socket type.");
+ }
+
+ *instance = r;
+ return 0;
+}
+
static void socket_close_fds(Socket *s) {
SocketPort *p;
continue;
unit_unwatch_fd(UNIT(s), &p->fd_watch);
- assert_se(close_nointr(p->fd) >= 0);
+ close_nointr_nofail(p->fd);
+
+ /* One little note: we should never delete any sockets
+ * in the file system here! After all some other
+ * process we spawned might still have a reference of
+ * this fd and wants to continue to use it. Therefore
+ * we delete sockets in the file system before we
+ * create a new one, not after we stopped using
+ * one! */
p->fd = -1;
}
if (p->fd < 0)
continue;
+ p->fd_watch.socket_accept =
+ s->accept &&
+ p->type == SOCKET_SOCKET &&
+ socket_address_can_accept(&p->address);
+
if ((r = unit_watch_fd(UNIT(s), p->fd, EPOLLIN, &p->fd_watch)) < 0)
goto fail;
}
unit_unwatch_timer(UNIT(s), &s->timer_watch);
socket_unwatch_control_pid(s);
s->control_command = NULL;
+ s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
}
+ if (state != SOCKET_LISTENING)
+ socket_unwatch_fds(s);
+
if (state != SOCKET_START_POST &&
state != SOCKET_LISTENING &&
state != SOCKET_RUNNING &&
state != SOCKET_STOP_PRE_SIGKILL)
socket_close_fds(s);
- if (state != SOCKET_LISTENING)
- socket_unwatch_fds(s);
-
if (state != old_state)
- log_debug("%s changed %s → %s", s->meta.id, state_string_table[old_state], state_string_table[state]);
+ log_debug("%s changed %s -> %s",
+ s->meta.id,
+ socket_state_to_string(old_state),
+ socket_state_to_string(state));
unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
}
+static int socket_coldplug(Unit *u) {
+ Socket *s = SOCKET(u);
+ int r;
+
+ assert(s);
+ assert(s->state == SOCKET_DEAD);
+
+ if (s->deserialized_state != s->state) {
+
+ if (s->deserialized_state == SOCKET_START_PRE ||
+ s->deserialized_state == SOCKET_START_POST ||
+ s->deserialized_state == SOCKET_STOP_PRE ||
+ s->deserialized_state == SOCKET_STOP_PRE_SIGTERM ||
+ s->deserialized_state == SOCKET_STOP_PRE_SIGKILL ||
+ s->deserialized_state == SOCKET_STOP_POST ||
+ s->deserialized_state == SOCKET_FINAL_SIGTERM ||
+ s->deserialized_state == SOCKET_FINAL_SIGKILL) {
+
+ if (s->control_pid <= 0)
+ return -EBADMSG;
+
+ if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
+ return r;
+
+ if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
+ return r;
+ }
+
+ if (s->deserialized_state == SOCKET_START_POST ||
+ s->deserialized_state == SOCKET_LISTENING ||
+ s->deserialized_state == SOCKET_RUNNING ||
+ s->deserialized_state == SOCKET_STOP_PRE ||
+ s->deserialized_state == SOCKET_STOP_PRE_SIGTERM ||
+ s->deserialized_state == SOCKET_STOP_PRE_SIGKILL)
+ if ((r = socket_open_fds(s)) < 0)
+ return r;
+
+ if (s->deserialized_state == SOCKET_LISTENING)
+ if ((r = socket_watch_fds(s)) < 0)
+ return r;
+
+ socket_set_state(s, s->deserialized_state);
+ }
+
+ return 0;
+}
+
static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) {
pid_t pid;
int r;
argv,
&s->exec_context,
NULL, 0,
+ s->meta.manager->environment,
true,
true,
UNIT(s)->meta.manager->confirm_spawn,
socket_unwatch_control_pid(s);
+ s->control_command_id = SOCKET_EXEC_STOP_POST;
+
if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST])) {
if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
goto fail;
}
}
- if (sent) {
+ if (sent && s->control_pid > 0) {
if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
goto fail;
socket_unwatch_control_pid(s);
+ s->control_command_id = SOCKET_EXEC_STOP_PRE;
+
if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE])) {
if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
goto fail;
socket_unwatch_control_pid(s);
+ s->control_command_id = SOCKET_EXEC_START_POST;
+
if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) {
if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) {
log_warning("%s failed to run start-post executable: %s", s->meta.id, strerror(-r));
socket_unwatch_control_pid(s);
+ s->control_command_id = SOCKET_EXEC_START_PRE;
+
if ((s->control_command = s->exec_command[SOCKET_EXEC_START_PRE])) {
if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0)
goto fail;
socket_enter_dead(s, false);
}
-static void socket_enter_running(Socket *s) {
+static void socket_enter_running(Socket *s, int cfd) {
int r;
assert(s);
- if ((r = manager_add_job(UNIT(s)->meta.manager, JOB_START, UNIT(s->service), JOB_REPLACE, true, NULL)) < 0)
- goto fail;
+ if (cfd < 0) {
+ if ((r = manager_add_job(UNIT(s)->meta.manager, JOB_START, UNIT(s->service), JOB_REPLACE, true, NULL)) < 0)
+ goto fail;
+
+ socket_set_state(s, SOCKET_RUNNING);
+ } else {
+ Unit *u;
+ char *prefix, *instance, *name;
+
+ if ((r = instance_from_socket(cfd, s->n_accepted++, &instance)))
+ goto fail;
+
+ if (!(prefix = unit_name_to_prefix(UNIT(s)->meta.id))) {
+ free(instance);
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ name = unit_name_build(prefix, instance, ".service");
+ free(prefix);
+ free(instance);
+
+ if (!name)
+ r = -ENOMEM;
+
+ r = manager_load_unit(UNIT(s)->meta.manager, name, NULL, &u);
+ free(name);
+
+ if (r < 0)
+ goto fail;
+
+ if ((r = service_set_socket_fd(SERVICE(u), cfd) < 0))
+ goto fail;
+
+ cfd = -1;
+
+ if ((r = manager_add_job(u->meta.manager, JOB_START, u, JOB_REPLACE, true, NULL)) < 0)
+ goto fail;
+ }
- socket_set_state(s, SOCKET_RUNNING);
return;
fail:
log_warning("%s failed to queue socket startup job: %s", s->meta.id, strerror(-r));
socket_enter_stop_pre(s, false);
+
+ if (cfd >= 0)
+ close_nointr_nofail(cfd);
}
static void socket_run_next(Socket *s, bool success) {
return 0;
/* Cannot run this without the service being around */
- if (s->service->meta.load_state != UNIT_LOADED)
- return -ENOENT;
-
- /* If the service is alredy actvie we cannot start the
- * socket */
- if (s->service->state != SERVICE_DEAD &&
- s->service->state != SERVICE_MAINTAINANCE &&
- s->service->state != SERVICE_AUTO_RESTART)
- return -EBUSY;
+ if (s->service) {
+ if (s->service->meta.load_state != UNIT_LOADED)
+ return -ENOENT;
+
+ /* If the service is alredy actvie we cannot start the
+ * socket */
+ if (s->service->state != SERVICE_DEAD &&
+ s->service->state != SERVICE_MAINTAINANCE &&
+ s->service->state != SERVICE_AUTO_RESTART)
+ return -EBUSY;
+ }
assert(s->state == SOCKET_DEAD || s->state == SOCKET_MAINTAINANCE);
return 0;
}
+static int socket_serialize(Unit *u, FILE *f, FDSet *fds) {
+ Socket *s = SOCKET(u);
+ SocketPort *p;
+ int r;
+
+ assert(u);
+ assert(f);
+ assert(fds);
+
+ unit_serialize_item(u, f, "state", socket_state_to_string(s->state));
+ unit_serialize_item(u, f, "failure", yes_no(s->failure));
+ unit_serialize_item_format(u, f, "n-accepted", "%u", s->n_accepted);
+
+ if (s->control_pid > 0)
+ unit_serialize_item_format(u, f, "control-pid", "%u", (unsigned) s->control_pid);
+
+ if (s->control_command_id >= 0)
+ unit_serialize_item(u, f, "control-command", socket_exec_command_to_string(s->control_command_id));
+
+ LIST_FOREACH(port, p, s->ports) {
+ int copy;
+
+ if (p->fd < 0)
+ continue;
+
+ if ((copy = fdset_put_dup(fds, p->fd)) < 0)
+ return copy;
+
+ if (p->type == SOCKET_SOCKET) {
+ char *t;
+
+ if ((r = socket_address_print(&p->address, &t)) < 0)
+ return r;
+
+ unit_serialize_item_format(u, f, "socket", "%i %s", copy, t);
+ free(t);
+ } else {
+ assert(p->type == SOCKET_FIFO);
+ unit_serialize_item_format(u, f, "fifo", "%i %s", copy, p->path);
+ }
+ }
+
+ return 0;
+}
+
+static int socket_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
+ Socket *s = SOCKET(u);
+ int r;
+
+ assert(u);
+ assert(key);
+ assert(value);
+ assert(fds);
+
+ if (streq(key, "state")) {
+ SocketState state;
+
+ if ((state = socket_state_from_string(value)) < 0)
+ log_debug("Failed to parse state value %s", value);
+ else
+ s->deserialized_state = state;
+ } else if (streq(key, "failure")) {
+ int b;
+
+ if ((b = parse_boolean(value)) < 0)
+ log_debug("Failed to parse failure value %s", value);
+ else
+ s->failure = b || s->failure;
+
+ } else if (streq(key, "n-accepted")) {
+ unsigned k;
+
+ if ((r = safe_atou(value, &k)) < 0)
+ log_debug("Failed to parse n-accepted value %s", value);
+ else
+ s->n_accepted += k;
+ } else if (streq(key, "control-pid")) {
+ unsigned pid;
+
+ if ((r = safe_atou(value, &pid)) < 0 || pid <= 0)
+ log_debug("Failed to parse control-pid value %s", value);
+ else
+ s->control_pid = (pid_t) pid;
+ } else if (streq(key, "control-command")) {
+ SocketExecCommand id;
+
+ if ((id = socket_exec_command_from_string(value)) < 0)
+ log_debug("Failed to parse exec-command value %s", value);
+ else {
+ s->control_command_id = id;
+ s->control_command = s->exec_command[id];
+ }
+ } else if (streq(key, "fifo")) {
+ int fd, skip = 0;
+ SocketPort *p;
+
+ if (sscanf(value, "%i %n", &fd, &skip) < 1 || fd < 0 || !fdset_contains(fds, fd))
+ log_debug("Failed to parse fifo value %s", value);
+ else {
+
+ LIST_FOREACH(port, p, s->ports)
+ if (streq(p->path, value+skip))
+ break;
+
+ if (p) {
+ if (p->fd >= 0)
+ close_nointr_nofail(p->fd);
+ p->fd = fdset_remove(fds, fd);
+ }
+ }
+
+ } else if (streq(key, "socket")) {
+ int fd, skip = 0;
+ SocketPort *p;
+
+ if (sscanf(value, "%i %n", &fd, &skip) < 1 || fd < 0 || !fdset_contains(fds, fd))
+ log_debug("Failed to parse socket value %s", value);
+ else {
+
+ LIST_FOREACH(port, p, s->ports)
+ if (socket_address_is(&p->address, value+skip))
+ break;
+
+ if (p) {
+ if (p->fd >= 0)
+ close_nointr_nofail(p->fd);
+ p->fd = fdset_remove(fds, fd);
+ }
+ }
+
+ } else
+ log_debug("Unknown serialization key '%s'", key);
+
+ return 0;
+}
+
static UnitActiveState socket_active_state(Unit *u) {
assert(u);
static const char *socket_sub_state_to_string(Unit *u) {
assert(u);
- return state_string_table[SOCKET(u)->state];
+ return socket_state_to_string(SOCKET(u)->state);
}
static void socket_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
Socket *s = SOCKET(u);
+ int cfd = -1;
assert(s);
+ assert(fd >= 0);
log_debug("Incoming traffic on %s", u->meta.id);
- if (events != EPOLLIN)
- socket_enter_stop_pre(s, false);
+ if (events != EPOLLIN) {
+ log_error("Got invalid poll event on socket.");
+ goto fail;
+ }
+
+ if (w->socket_accept) {
+ for (;;) {
+
+ if ((cfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK)) < 0) {
+
+ if (errno == EINTR)
+ continue;
- socket_enter_running(s);
+ log_error("Failed to accept socket: %m");
+ goto fail;
+ }
+
+ break;
+ }
+ }
+
+ socket_enter_running(s, cfd);
+ return;
+
+fail:
+ socket_enter_stop_pre(s, false);
}
static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) {
s->failure = s->failure || !success;
assert(s->control_pid == pid);
- assert(s->control_command);
-
- exec_status_fill(&s->control_command->exec_status, pid, code, status);
s->control_pid = 0;
+ if (s->control_command)
+ exec_status_fill(&s->control_command->exec_status, pid, code, status);
+
log_debug("%s control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
- if (s->control_command->command_next && success) {
- log_debug("%s running next command for state %s", u->meta.id, state_string_table[s->state]);
+ if (s->control_command && s->control_command->command_next && success) {
+ log_debug("%s running next command for state %s", u->meta.id, socket_state_to_string(s->state));
socket_run_next(s, success);
} else {
+ s->control_command = NULL;
+ s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID;
+
/* No further commands for this step, so let's figure
* out what to do next */
- log_debug("%s got final SIGCHLD for state %s", u->meta.id, state_string_table[s->state]);
+ log_debug("%s got final SIGCHLD for state %s", u->meta.id, socket_state_to_string(s->state));
switch (s->state) {
}
}
+static const char* const socket_state_table[_SOCKET_STATE_MAX] = {
+ [SOCKET_DEAD] = "dead",
+ [SOCKET_START_PRE] = "start-pre",
+ [SOCKET_START_POST] = "start-post",
+ [SOCKET_LISTENING] = "listening",
+ [SOCKET_RUNNING] = "running",
+ [SOCKET_STOP_PRE] = "stop-pre",
+ [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm",
+ [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill",
+ [SOCKET_STOP_POST] = "stop-post",
+ [SOCKET_FINAL_SIGTERM] = "final-sigterm",
+ [SOCKET_FINAL_SIGKILL] = "final-sigkill",
+ [SOCKET_MAINTAINANCE] = "maintainance"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(socket_state, SocketState);
+
+static const char* const socket_exec_command_table[_SOCKET_EXEC_COMMAND_MAX] = {
+ [SOCKET_EXEC_START_PRE] = "StartPre",
+ [SOCKET_EXEC_START_POST] = "StartPost",
+ [SOCKET_EXEC_STOP_PRE] = "StopPre",
+ [SOCKET_EXEC_STOP_POST] = "StopPost"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(socket_exec_command, SocketExecCommand);
+
const UnitVTable socket_vtable = {
.suffix = ".socket",
.init = socket_init,
- .load = socket_load,
.done = socket_done,
+ .load = socket_load,
+
+ .coldplug = socket_coldplug,
.dump = socket_dump,
.start = socket_start,
.stop = socket_stop,
+ .serialize = socket_serialize,
+ .deserialize_item = socket_deserialize_item,
+
.active_state = socket_active_state,
.sub_state_to_string = socket_sub_state_to_string,
.fd_event = socket_fd_event,
.sigchld_event = socket_sigchld_event,
- .timer_event = socket_timer_event
+ .timer_event = socket_timer_event,
+
+ .bus_message_handler = bus_socket_message_handler
};