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#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include "connection.h"
#include "constant.h"
#define READ_BUFFER_SIZE 1024
struct connection {
struct tsocket *sock;
};
struct connection *connection_create(struct tsocket *sock)
{
struct connection *conn = malloc(sizeof(*conn));
conn->sock = sock;
return conn;
}
void connection_destroy(struct connection *conn)
{
tsocket_destroy(conn->sock);
free(conn);
}
static void echo(struct connection *conn)
{
char buf[READ_BUFFER_SIZE];
ssize_t n_read_bytes;
struct tsocket *sock = (struct tsocket *)conn->sock;
for (;;) {
n_read_bytes = read(sock->fd, buf, sizeof(buf));
if (n_read_bytes > 0) {
printf("message from conn %d: %s\n", sock->fd, buf);
write(sock->fd, buf, sizeof(buf));
} else if (n_read_bytes == 0) {
printf("conn %d disconnected\n", sock->fd);
return;
} else if (n_read_bytes == -1) {
if (errno == EAGAIN || errno == EWOULDBLOCK)
break;
}
}
}
event_t *connection_create_event(struct tsocket *sock)
{
connection_t *conn = connection_create(sock);
return event_create(conn, conn->sock->fd,
(evloop_process_func_t) echo,
(evloop_destroy_func_t) connection_destroy);
}
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