108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
#include "client.h"
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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struct ipc_client * ipc_server_client_copy (const struct ipc_client *p)
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{
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if (p == NULL)
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return NULL;
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struct ipc_client * copy = malloc (sizeof(struct ipc_client));
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memset (copy, 0, sizeof (struct ipc_client));
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memcpy (copy, p, sizeof (struct ipc_client));
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return copy;
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}
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int ipc_server_client_eq (const struct ipc_client *p1, const struct ipc_client *p2)
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{
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return (p1->version == p2->version && p1->index == p2->index
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&& p1->proc_fd == p2->proc_fd);
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}
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void ipc_server_client_gen (struct ipc_client *p
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, unsigned int index, unsigned int version)
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{
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p->version = version;
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p->index = index;
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}
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int ipc_client_add (struct ipc_clients *clients, struct ipc_client *p)
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{
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assert(clients != NULL);
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assert(p != NULL);
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clients->size++;
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clients->clients = realloc(clients->clients
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, sizeof(struct ipc_client) * clients->size);
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if (clients->clients == NULL) {
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return -1;
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}
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clients->clients[clients->size - 1] = p;
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return 0;
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}
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int ipc_client_del (struct ipc_clients *clients, struct ipc_client *p)
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{
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assert(clients != NULL);
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assert(p != NULL);
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if (clients->clients == NULL) {
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return -1;
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}
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int i;
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for (i = 0; i < clients->size; i++) {
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if (clients->clients[i] == p) {
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clients->clients[i] = clients->clients[clients->size-1];
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clients->size--;
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if (clients->size == 0) {
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ipc_clients_free (clients);
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}
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else {
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clients->clients = realloc(clients->clients
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, sizeof(struct ipc_client) * clients->size);
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if (clients->clients == NULL) {
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return -2;
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}
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}
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return 0;
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}
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}
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return -3;
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}
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void client_print (struct ipc_client *p)
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{
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if (p != NULL)
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printf ("client %d : index %d, version %d\n"
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, p->proc_fd, p->index, p->version);
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}
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void ipc_clients_print (struct ipc_clients *ap)
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{
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int i;
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for (i = 0; i < ap->size; i++) {
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printf("%d : ", i);
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client_print(ap->clients[i]);
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}
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}
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void ipc_clients_free (struct ipc_clients *ap)
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{
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if (ap->clients != NULL) {
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free (ap->clients);
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ap->clients = NULL;
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}
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ap->size = 0;
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}
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