X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsocket.c;h=acd49a50457cdb49ba06b278922a56243026a40a;hp=7a8624c848fc962495eeb90371aab6863137c077;hb=b4f10a5e8956d26f0bc6b9aef12846b57caee08b;hpb=4d0e5dbd52291ae49740adb006bfc2595b953ec5 diff --git a/src/socket.c b/src/socket.c index 7a8624c84..acd49a504 100644 --- a/src/socket.c +++ b/src/socket.c @@ -36,6 +36,9 @@ #include "strv.h" #include "unit-name.h" #include "dbus-socket.h" +#include "missing.h" +#include "special.h" +#include "bus-errors.h" static const UnitActiveState state_translation_table[_SOCKET_STATE_MAX] = { [SOCKET_DEAD] = UNIT_INACTIVE, @@ -49,7 +52,7 @@ static const UnitActiveState state_translation_table[_SOCKET_STATE_MAX] = { [SOCKET_STOP_POST] = UNIT_DEACTIVATING, [SOCKET_FINAL_SIGTERM] = UNIT_DEACTIVATING, [SOCKET_FINAL_SIGKILL] = UNIT_DEACTIVATING, - [SOCKET_MAINTENANCE] = UNIT_INACTIVE, + [SOCKET_MAINTENANCE] = UNIT_MAINTENANCE }; static void socket_init(Unit *u) { @@ -65,6 +68,11 @@ static void socket_init(Unit *u) { s->max_connections = 64; + s->priority = -1; + s->ip_tos = -1; + s->ip_ttl = -1; + s->mark = -1; + exec_context_init(&s->exec_context); s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID; @@ -198,10 +206,7 @@ int socket_add_one_mount_link(Socket *s, Mount *m) { 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) + if ((r = unit_add_two_dependencies(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, UNIT(m), true)) < 0) return r; return 0; @@ -238,6 +243,17 @@ static int socket_add_device_link(Socket *s) { return r; } +static int socket_add_default_dependencies(Socket *s) { + int r; + assert(s); + + if (s->meta.manager->running_as == MANAGER_SYSTEM) + if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true)) < 0) + return r; + + return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); +} + static int socket_load(Unit *u) { Socket *s = SOCKET(u); int r; @@ -270,6 +286,10 @@ static int socket_load(Unit *u) { if ((r = unit_add_default_cgroup(u)) < 0) return r; + + if (s->meta.default_dependencies) + if ((r = socket_add_default_dependencies(s)) < 0) + return r; } return socket_verify(s); @@ -308,13 +328,17 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) { "%sBacklog: %u\n" "%sKillMode: %s\n" "%sSocketMode: %04o\n" - "%sDirectoryMode: %04o\n", + "%sDirectoryMode: %04o\n" + "%sKeepAlive: %s\n" + "%sFreeBind: %s\n", prefix, socket_state_to_string(s->state), prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only), prefix, s->backlog, prefix, kill_mode_to_string(s->kill_mode), prefix, s->socket_mode, - prefix, s->directory_mode); + prefix, s->directory_mode, + prefix, yes_no(s->keep_alive), + prefix, yes_no(s->free_bind)); if (s->control_pid > 0) fprintf(f, @@ -335,6 +359,41 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) { prefix, s->n_connections, prefix, s->max_connections); + if (s->priority >= 0) + fprintf(f, + "%sPriority: %i\n", + prefix, s->priority); + + if (s->receive_buffer > 0) + fprintf(f, + "%sReceiveBuffer: %zu\n", + prefix, s->receive_buffer); + + if (s->send_buffer > 0) + fprintf(f, + "%sSendBuffer: %zu\n", + prefix, s->send_buffer); + + if (s->ip_tos >= 0) + fprintf(f, + "%sIPTOS: %i\n", + prefix, s->ip_tos); + + if (s->ip_ttl >= 0) + fprintf(f, + "%sIPTTL: %i\n", + prefix, s->ip_ttl); + + if (s->pipe_size > 0) + fprintf(f, + "%sPipeSize: %zu\n", + prefix, s->pipe_size); + + if (s->mark >= 0) + fprintf(f, + "%sMark: %i\n", + prefix, s->mark); + LIST_FOREACH(port, p, s->ports) { if (p->type == SOCKET_SOCKET) { @@ -493,6 +552,60 @@ static void socket_close_fds(Socket *s) { } } +static void socket_apply_socket_options(Socket *s, int fd) { + assert(s); + assert(fd >= 0); + + if (s->keep_alive) { + int b = s->keep_alive; + if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &b, sizeof(b)) < 0) + log_warning("SO_KEEPALIVE failed: %m"); + } + + if (s->priority >= 0) + if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &s->priority, sizeof(s->priority)) < 0) + log_warning("SO_PRIORITY failed: %m"); + + if (s->receive_buffer > 0) { + int value = (int) s->receive_buffer; + if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &value, sizeof(value)) < 0) + log_warning("SO_RCVBUF failed: %m"); + } + + if (s->send_buffer > 0) { + int value = (int) s->send_buffer; + if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &value, sizeof(value)) < 0) + log_warning("SO_SNDBUF failed: %m"); + } + + if (s->mark >= 0) + if (setsockopt(fd, SOL_SOCKET, SO_MARK, &s->mark, sizeof(s->mark)) < 0) + log_warning("SO_MARK failed: %m"); + + if (s->ip_tos >= 0) + if (setsockopt(fd, IPPROTO_IP, IP_TOS, &s->ip_tos, sizeof(s->ip_tos)) < 0) + log_warning("IP_TOS failed: %m"); + + if (s->ip_ttl >= 0) { + int r, x; + + r = setsockopt(fd, IPPROTO_IP, IP_TTL, &s->ip_ttl, sizeof(s->ip_ttl)); + x = setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &s->ip_ttl, sizeof(s->ip_ttl)); + + if (r < 0 && x < 0) + log_warning("IP_TTL/IPV6_UNICAST_HOPS failed: %m"); + } +} + +static void socket_apply_pipe_options(Socket *s, int fd) { + assert(s); + assert(fd >= 0); + + if (s->pipe_size > 0) + if (fcntl(fd, F_SETPIPE_SZ, s->pipe_size) < 0) + log_warning("F_SETPIPE_SZ: %m"); +} + static int socket_open_fds(Socket *s) { SocketPort *p; int r; @@ -511,11 +624,14 @@ static int socket_open_fds(Socket *s) { s->backlog, s->bind_ipv6_only, s->bind_to_device, + s->free_bind, s->directory_mode, s->socket_mode, &p->fd)) < 0) goto rollback; + socket_apply_socket_options(s, p->fd); + } else { struct stat st; assert(p->type == SOCKET_FIFO); @@ -543,6 +659,8 @@ static int socket_open_fds(Socket *s) { r = -EEXIST; goto rollback; } + + socket_apply_pipe_options(s, p->fd); } } @@ -704,6 +822,7 @@ static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) { s->meta.manager->environment, true, true, + true, s->meta.manager->confirm_spawn, s->meta.cgroup_bondings, &pid); @@ -908,17 +1027,19 @@ fail: static void socket_enter_running(Socket *s, int cfd) { int r; + DBusError error; assert(s); + dbus_error_init(&error); if (cfd < 0) { - if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s->service), JOB_REPLACE, true, NULL)) < 0) + if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s->service), JOB_REPLACE, true, &error, NULL)) < 0) goto fail; socket_set_state(s, SOCKET_RUNNING); } else { Unit *u; - char *prefix, *instance, *name; + char *prefix, *instance = NULL, *name; if (s->n_connections >= s->max_connections) { log_warning("Too many incoming connections (%u)", s->n_connections); @@ -944,7 +1065,7 @@ static void socket_enter_running(Socket *s, int cfd) { goto fail; } - r = manager_load_unit(s->meta.manager, name, NULL, &u); + r = manager_load_unit(s->meta.manager, name, NULL, NULL, &u); free(name); if (r < 0) @@ -957,18 +1078,20 @@ static void socket_enter_running(Socket *s, int cfd) { s->n_connections ++; - if ((r = manager_add_job(u->meta.manager, JOB_START, u, JOB_REPLACE, true, NULL)) < 0) + if ((r = manager_add_job(u->meta.manager, JOB_START, u, JOB_REPLACE, true, &error, NULL)) < 0) goto fail; } return; fail: - log_warning("%s failed to queue socket startup job: %s", s->meta.id, strerror(-r)); + log_warning("%s failed to queue socket startup job: %s", s->meta.id, bus_error(&error, r)); socket_enter_stop_pre(s, false); if (cfd >= 0) close_nointr_nofail(cfd); + + dbus_error_free(&error); } static void socket_run_next(Socket *s, bool success) { @@ -1253,6 +1376,8 @@ static void socket_fd_event(Unit *u, int fd, uint32_t events, Watch *w) { break; } + + socket_apply_socket_options(s, cfd); } socket_enter_running(s, cfd); @@ -1278,7 +1403,7 @@ static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) { s->failure = s->failure || !success; if (s->control_command) - exec_status_fill(&s->control_command->exec_status, pid, code, status); + exec_status_exit(&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);