+
−/*
+
− * Hedgewars, a free turn based strategy game
+
− * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
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− *
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− * This program is free software; you can redistribute it and/or
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− * modify it under the terms of the GNU General Public License
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− * as published by the Free Software Foundation; either version 2
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− * of the License, or (at your option) any later version.
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− *
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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, write to the Free Software
+
− * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
− */
+
−
+
−/*
+
− * Low-level protocol support for the network connection
+
− */
+
−
+
−#ifndef NETBASE_H_
+
−#define NETBASE_H_
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−
+
−#include <stddef.h>
+
−#include <stdint.h>
+
−#include <stdbool.h>
+
−
+
−struct _flib_netbase;
+
−typedef struct _flib_netbase flib_netbase;
+
−
+
−typedef struct {
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−	int partCount;
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−	char **parts;
+
−} flib_netmsg;
+
−
+
−/**
+
− * Start a connection to the specified Hedgewars server.
+
− *
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− * Returns NULL on error. Destroy the created object with flib_netconn_destroy.
+
− */
+
−flib_netbase *flib_netbase_create(const char *server, uint16_t port);
+
−
+
−/**
+
− * Free resources and close sockets.
+
− */
+
−void flib_netbase_destroy(flib_netbase *net);
+
−
+
−/**
+
− * Determine the current connection state. Starts out true, and turns to
+
− * false when we are disconnected from the server.
+
− */
+
−bool flib_netbase_connected(flib_netbase *net);
+
−
+
−/**
+
− * Receive a new message and return it as a flib_netmsg. The netmsg has to be
+
− * destroyed with flib_netmsg_destroy after use.
+
− * Returns NULL if no message is available.
+
− *
+
− * Note: When a connection is closed, you probably want to call this function until
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− * no further message is returned, to ensure you see all messages that were sent
+
− * before the connection closed.
+
− */
+
−flib_netmsg *flib_netbase_recv_message(flib_netbase *net);
+
−
+
−int flib_netbase_send_raw(flib_netbase *net, const void *data, size_t len);
+
−
+
−/**
+
− * Write a single message to the server. This call blocks until the
+
− * message is completely written or the connection is closed or an error occurs.
+
− *
+
− * Returns a negative value on failure.
+
− */
+
−int flib_netbase_send_message(flib_netbase *net, const flib_netmsg *msg);
+
−
+
−/**
+
− * Send a message printf-style.
+
− *
+
− * flib_netbase_sendf(net, "%s\n\n", "TOGGLE_READY");
+
− * flib_netbase_sendf(net, "%s\n%s\n%i\n\n", "CFG", "MAPGEN", MAPGEN_MAZE);
+
− */
+
−int flib_netbase_sendf(flib_netbase *net, const char *format, ...);
+
−
+
−flib_netmsg *flib_netmsg_create();
+
−void flib_netmsg_destroy(flib_netmsg *msg);
+
−int flib_netmsg_append_part(flib_netmsg *msg, const void *param, size_t len);
+
−
+
−#endif /* NETBASE_H_ */
+
−