32 lines
737 B
C
32 lines
737 B
C
#ifndef __HASHMAP_C__
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#define __HASHMAP_C__
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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/* Each process on Linux can have a maximum of 1024 open file descriptors */
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#define HASHMAP_MAX_CLIENTS 1024
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struct hashmap {
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int sockfd;
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struct sockaddr_storage sas;
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struct hashmap *next;
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};
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/* Calculate the hash code of a file descriptor */
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int hash(int sockfd);
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/* Initialize the hash map */
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void hm_init(struct hashmap *map);
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/* Insert a new key in the hash map */
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void hm_insert(struct hashmap *map, int sockfd, struct sockaddr_storage *sas);
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/* Search for a key in the hash map */
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struct hashmap *hm_lookup(struct hashmap *map, int sockfd);
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/* Clean up the hash map */
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void hm_free(struct hashmap *map);
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#endif |