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systemd-activate: Add support for datagram sockets

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core: Add flexible way to provide socket type
the socket type should be a diffrent argumet
in make_socket_fd . In this way we can set the socket
type like SOCK_STREAM SOCK_DGRAM in the address.

journal-remote: modify make_socket_fd
This commit is contained in:
Susant Sahani 2016-01-22 09:41:44 +05:30
parent e77435f2b0
commit 7b7afdfc07
4 changed files with 26 additions and 7 deletions
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21
src/activate/activate.c
View File

@ -39,6 +39,7 @@
static char** arg_listen = NULL;
static bool arg_accept = false;
static bool arg_datagram = false;
static char** arg_args = NULL;
static char** arg_setenv = NULL;
static const char *arg_fdname = NULL;
@ -98,7 +99,11 @@ static int open_sockets(int *epoll_fd, bool accept) {
STRV_FOREACH(address, arg_listen) {
fd = make_socket_fd(LOG_DEBUG, *address, SOCK_STREAM | (arg_accept*SOCK_CLOEXEC));
if (arg_datagram)
fd = make_socket_fd(LOG_DEBUG, *address, SOCK_DGRAM, SOCK_CLOEXEC);
else
fd = make_socket_fd(LOG_DEBUG, *address, SOCK_STREAM, (arg_accept*SOCK_CLOEXEC));
if (fd < 0) {
log_open();
return log_error_errno(fd, "Failed to open '%s': %m", *address);
@ -304,6 +309,7 @@ static void help(void) {
printf("%s [OPTIONS...]\n\n"
"Listen on sockets and launch child on connection.\n\n"
"Options:\n"
" -d --datagram Datagram sockets\n"
" -l --listen=ADDR Listen for raw connections at ADDR\n"
" -a --accept Spawn separate child for each connection\n"
" -h --help Show this help and exit\n"
@ -323,6 +329,7 @@ static int parse_argv(int argc, char *argv[]) {
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "datagram", no_argument, NULL, 'd' },
{ "listen", required_argument, NULL, 'l' },
{ "accept", no_argument, NULL, 'a' },
{ "setenv", required_argument, NULL, 'E' },
@ -336,7 +343,7 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "+hl:aE:", options, NULL)) >= 0)
while ((c = getopt_long(argc, argv, "+hl:aEd", options, NULL)) >= 0)
switch(c) {
case 'h':
help();
@ -352,6 +359,10 @@ static int parse_argv(int argc, char *argv[]) {
break;
case 'd':
arg_datagram = true;
break;
case 'a':
arg_accept = true;
break;
@ -385,6 +396,12 @@ static int parse_argv(int argc, char *argv[]) {
return -EINVAL;
}
if (arg_datagram && arg_accept) {
log_error("Datagram sockets do not accept connections. "
"The --datagram and --accept options may not be combined.");
return -EINVAL;
}
arg_args = argv + optind;
return 1 /* work to do */;

6
src/basic/socket-label.c
View File

@ -147,7 +147,7 @@ int socket_address_listen(
return r;
}
int make_socket_fd(int log_level, const char* address, int flags) {
int make_socket_fd(int log_level, const char* address, int type, int flags) {
SocketAddress a;
int fd, r;
@ -155,7 +155,9 @@ int make_socket_fd(int log_level, const char* address, int flags) {
if (r < 0)
return log_error_errno(r, "Failed to parse socket address \"%s\": %m", address);
fd = socket_address_listen(&a, flags, SOMAXCONN, SOCKET_ADDRESS_DEFAULT,
a.type = type;
fd = socket_address_listen(&a, type | flags, SOMAXCONN, SOCKET_ADDRESS_DEFAULT,
NULL, false, false, false, 0755, 0644, NULL);
if (fd < 0 || log_get_max_level() >= log_level) {
_cleanup_free_ char *p = NULL;

2
src/basic/socket-util.h
View File

@ -89,7 +89,7 @@ int socket_address_listen(
mode_t directory_mode,
mode_t socket_mode,
const char *label);
int make_socket_fd(int log_level, const char* address, int flags);
int make_socket_fd(int log_level, const char* address, int type, int flags);
bool socket_address_is(const SocketAddress *a, const char *s, int type);
bool socket_address_is_netlink(const SocketAddress *a, const char *s);

4
src/journal-remote/journal-remote.c
View File

@ -447,7 +447,7 @@ static int add_raw_socket(RemoteServer *s, int fd) {
static int setup_raw_socket(RemoteServer *s, const char *address) {
int fd;
fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM | SOCK_CLOEXEC);
fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM, SOCK_CLOEXEC);
if (fd < 0)
return fd;
@ -765,7 +765,7 @@ static int setup_microhttpd_socket(RemoteServer *s,
const char *trust) {
int fd;
fd = make_socket_fd(LOG_DEBUG, address, SOCK_STREAM | SOCK_CLOEXEC);
fd = make_socket_fd(LOG_DEBUG, address, SOCK_STREAM, SOCK_CLOEXEC);
if (fd < 0)
return fd;