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29 lines
851 B
C
29 lines
851 B
C
#ifndef UDPLISTENER_H
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#define UDPLISTENER_H
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#include "collection.h"
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/* UDP listener: upon incoming packet, find where it should go
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* This is run in its own process and never returns.
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*/
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void udp_listener(struct listen_endpoint* endpoint, int num_endpoints, int active_endpoint);
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/* Process UDP coming from outside (client towards server)
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* If it's a new source, probe; otherwise, forward to previous target
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* Returns: >= 0 sockfd of newly allocated socket, for new connections
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* -1 otherwise
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* */
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int udp_c2s_forward(int sockfd, cnx_collection* collection, int max_fd);
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/* Process UDP coming from inside (server towards client) */
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void udp_s2c_forward(struct connection* cnx);
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/* returns how many seconds before socket times out. Negative if timed out
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* already.
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*/
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int udp_timeout(struct connection* cnx);
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#endif /* UDPLISTENER_H */
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