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110 lines
2.7 KiB
110 lines
2.7 KiB
/*
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Copyright Jeroen Vreeken (jeroen@vreeken.net), 2015
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <dml/dml_server.h>
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#include <string.h>
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#include <malloc.h>
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#include <unistd.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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struct dml_server {
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int fd;
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GIOChannel *io;
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void (*connection_cb)(void *arg, int fd);
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void *connection_cb_arg;
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};
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struct dml_server *dml_server_create(void (*cb)(void *arg, int fd), void *arg)
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{
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struct dml_server *ds;
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struct sockaddr_in6 sin6;
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int listensock6;
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signal(SIGPIPE, SIG_IGN);
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memset(&sin6, 0, sizeof(sin6));
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sin6.sin6_family = AF_INET6;
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sin6.sin6_port = htons(DML_SERVER_PORT);
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sin6.sin6_addr = in6addr_any;
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listensock6 = socket(AF_INET6, SOCK_STREAM, 0);
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if (listensock6 < 0)
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goto err_socket;
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setsockopt (listensock6, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof (int));
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if (bind(listensock6, (struct sockaddr *)&sin6, sizeof(sin6)) < 0)
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goto err_bind;
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listen(listensock6, 10);
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ds = calloc(1, sizeof(struct dml_server));
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if (!ds)
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goto err_calloc;
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ds->fd = listensock6;
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ds->io = g_io_channel_unix_new (listensock6);
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g_io_channel_set_encoding(ds->io, NULL, NULL);
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ds->connection_cb = cb;
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ds->connection_cb_arg = arg;
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g_io_add_watch(ds->io, G_IO_IN, dml_server_handle, ds);
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return ds;
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err_calloc:
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err_bind:
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close(listensock6);
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err_socket:
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return NULL;
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}
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int dml_server_fd_get(struct dml_server *ds)
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{
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return ds->fd;
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}
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gboolean dml_server_handle(GIOChannel *source, GIOCondition condition, gpointer arg)
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{
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struct dml_server *ds = arg;
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int acceptsock;
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struct sockaddr_in6 from6;
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socklen_t len6 = sizeof(from6);
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acceptsock = accept(ds->fd, (struct sockaddr *)&from6, &len6);
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if (acceptsock < 0)
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return TRUE;
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setsockopt(acceptsock, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof (int));
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setsockopt(acceptsock, IPPROTO_TCP, TCP_NODELAY, &(int){1}, sizeof (int));
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setsockopt(acceptsock, SOL_SOCKET, SO_KEEPALIVE, &(int){1}, sizeof (int));
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#ifdef TCP_KEEPINTVL
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setsockopt(acceptsock, IPPROTO_TCP, TCP_KEEPIDLE, &(int){60}, sizeof(int));
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#endif
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ds->connection_cb(ds->connection_cb_arg, acceptsock);
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return TRUE;
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}
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