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#include <base/system.h>
#include "e_network.h"
#include "e_network_internal.h"
struct NETCLIENT
{
NETADDR server_addr;
NETSOCKET socket;
NETRECVINFO recv;
NETCONNECTION conn;
};
NETCLIENT *netclient_open(NETADDR bindaddr, int flags)
{
NETCLIENT *client = (NETCLIENT *)mem_alloc(sizeof(NETCLIENT), 1);
mem_zero(client, sizeof(NETCLIENT));
client->socket = net_udp_create(bindaddr);
conn_init(&client->conn, client->socket);
return client;
}
int netclient_close(NETCLIENT *c)
{
/* TODO: implement me */
return 0;
}
int netclient_disconnect(NETCLIENT *c, const char *reason)
{
dbg_msg("netclient", "disconnected. reason=\"%s\"", reason);
conn_disconnect(&c->conn, reason);
return 0;
}
int netclient_update(NETCLIENT *c)
{
conn_update(&c->conn);
if(c->conn.state == NET_CONNSTATE_ERROR)
netclient_disconnect(c, conn_error(&c->conn));
return 0;
}
int netclient_connect(NETCLIENT *c, NETADDR *addr)
{
conn_connect(&c->conn, addr);
return 0;
}
int netclient_recv(NETCLIENT *c, NETCHUNK *chunk)
{
while(1)
{
NETADDR addr;
int bytes;
/* check for a chunk */
if(recvinfo_fetch_chunk(&c->recv, chunk))
return 1;
/* TODO: empty the recvinfo */
bytes = net_udp_recv(c->socket, &addr, c->recv.buffer, NET_MAX_PACKETSIZE);
/* no more packets for now */
if(bytes <= 0)
break;
if(unpack_packet(c->recv.buffer, bytes, &c->recv.data) == 0)
{
if(c->recv.data.flags&NET_PACKETFLAG_CONNLESS)
{
chunk->flags = NETSENDFLAG_CONNLESS;
chunk->client_id = -1;
chunk->address = addr;
chunk->data_size = c->recv.data.data_size;
chunk->data = c->recv.data.chunk_data;
return 1;
}
else
{
if(conn_feed(&c->conn, &c->recv.data, &addr))
recvinfo_start(&c->recv, &addr, &c->conn, 0);
}
}
}
return 0;
}
int netclient_send(NETCLIENT *c, NETCHUNK *chunk)
{
if(chunk->data_size >= NET_MAX_PAYLOAD)
{
dbg_msg("netclient", "chunk payload too big. %d. dropping chunk", chunk->data_size);
return -1;
}
if(chunk->flags&NETSENDFLAG_CONNLESS)
{
/* send connectionless packet */
send_packet_connless(c->socket, &chunk->address, chunk->data, chunk->data_size);
}
else
{
int f = 0;
dbg_assert(chunk->client_id == 0, "errornous client id");
if(chunk->flags&NETSENDFLAG_VITAL)
f = NET_CHUNKFLAG_VITAL;
conn_queue_chunk(&c->conn, f, chunk->data_size, chunk->data);
if(chunk->flags&NETSENDFLAG_FLUSH)
conn_flush(&c->conn);
}
return 0;
}
int netclient_state(NETCLIENT *c)
{
if(c->conn.state == NET_CONNSTATE_ONLINE)
return NETSTATE_ONLINE;
if(c->conn.state == NET_CONNSTATE_OFFLINE)
return NETSTATE_OFFLINE;
return NETSTATE_CONNECTING;
}
int netclient_flush(NETCLIENT *c)
{
return conn_flush(&c->conn);
}
int netclient_gotproblems(NETCLIENT *c)
{
if(time_get() - c->conn.last_recv_time > time_freq())
return 1;
return 0;
}
void netclient_stats(NETCLIENT *c, NETSTATS *stats)
{
*stats = c->conn.stats;
}
const char *netclient_error_string(NETCLIENT *c)
{
return conn_error(&c->conn);
}
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