57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
#include <GearSrc/Net.h>
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#include <GearSrc/Log.h>
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GSNetClient GSNetClientOpen(GSClient client, const char* hostname, int port) {
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GSNetClient net = malloc(sizeof(*net));
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memset(net, 0, sizeof(*net));
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net->engine = client->engine;
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if((net->fd = GSNetBaseClient(hostname, port)) < 0) {
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GSLog(client->engine, GSLogError, "Failed to initialize socket");
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GSNetClientClose(net);
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return NULL;
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}
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return net;
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}
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enum states {
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Acknowledged = 0,
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WaitingAcknowledge
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};
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void GSNetClientStep(GSNetClient net) {
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GSNetPacket pkt;
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GSNetAddress addr;
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while(GSNetBaseHasData(net->fd)) {
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GSNetPacketRead(net->fd, &pkt, &addr);
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if(pkt.header.flag & GSNetPacketFlagAcknowledge) {
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if(net->txstate == WaitingAcknowledge && net->txindex == pkt.header.index && net->txseq == pkt.header.seq) {
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GSLog(net->engine, GSLogDebug, "ACK received for %d:%d", net->txindex, net->txseq);
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if(net->txseq == net->txtotal) net->txstate = Acknowledged;
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}
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} else {
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if(net->rxstate == Acknowledged && net->rxindex == pkt.header.index && net->rxseq == pkt.header.seq) {
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pkt.header.flag |= GSNetPacketFlagAcknowledge;
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pkt.header.index = net->rxindex;
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pkt.header.seq = net->rxseq;
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pkt.size = 0;
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GSNetPacketWrite(net->fd, &pkt, &addr);
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}
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}
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}
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}
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void GSNetClientClose(GSNetClient net) {
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if(net->fd >= 0) GSNetBaseClose(net->fd);
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free(net);
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}
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