updating

project1/server-dtls-v2.c

@@ -1,110 +0,0 @@
-#include 			<stdio.h> 			/* standard in/out procedures */
-#include 			<stdlib.h>			/* defines system calls */
-#include 			<string.h>			/* necessary for memset */
-#include			<netdb.h>
-#include 			<sys/socket.h>		/* used for all socket calls */
-#include 			<netinet/in.h>		/* used for sockaddr_in */
-#include			<arpa/inet.h>
-
-
-#define SERV_PORT 	11111				/* define our server port number */
-#define MSGLEN 		80  				/* limit incoming message size */
-
-int
-dtle_handle_read(struct dtls_context_t *ctx) {
-    int *fd;
-    session_t session;
-    static uint8 buf[DTLS_MAX_BUF];
-    int len;
-
-    fd = dtls_get_app_data(ctx);
-
-    assert(fd);
-
-    session.size = sizeof(session.addr);
-    len = recvfrom(*fd, buf, sizeof(buf), 0, &session.addr.sa,
-            &session.size);
-
-    return len < 0 ? len : dtls_handle_message(ctx, &session, buf, len);
-}
-
-
-int
-read_from_peer(struct dtls_context_t *ctx, session_t *session, uint8 *data, size_t len) {
-return dtls_write(ctx, session, data, len);
-}
-
-
-int
-send_to_peer(struct dtls_context_t *ctx, session_t *session, uint8 *data, size_t len) {
-    return sendto(fd, data, len, MSG_DONTWAIT, &session->addr.sa, session->size);
-}
-
-int get_key(struct dtls_context_t *ctx, const session_t *session, 
-        const unsigned char *id, size_t id_len,
-        const dtls_key_t **result){
-    static const dtls_key_t psk = {
-        .type = DTLS_KEY_PSK,
-        .key.psk.id = (unsigned char *)"my identity", 
-        .key.psk.id_length = 11,
-        .key.psk.key = (unsigned char *)"secret", 
-        .key.psk.key_length = 6
-    };
-
-    *result = &psk;
-    return 0;
-}
-
-int 
-handle_event(struct dtls_context_t *ctx, session_t *session, 
-        dtls_alert_level_t level, unsigned short code) {
-    /* do something with event */
-        return 0;
-}
-
-
-
-
-
-
-
-
-
-    int
-main(int argc, char** argv)
-{
-    /* CREATE THE SOCKET */
-
-    struct sockaddr_in servaddr, cliaddr; 
-    socklen_t addrlen = sizeof(cliaddr);
-    char buf[MSGLEN];
-    dtls_context_t* the_context = NULL;
-    int fd, result;
-
-
-    static dtls_handler_t cb = {
-        .write = send_to_peer,
-        .read = read_from_peer,
-        .event = NULL,
-        .get_key = get_key
-    };
-
-
-    /* create a UDP/IP socket */
-
-    fd = socket(AF_INET, SOCK_DGRAM, 0);
-    if (fd < 0 || bind(fd, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0)
-        exit(-1);
-
-    the_context = dtls_new_context(&fd);
-    dtls_set_handler(the_context, &cb);
-
-    while (1) {
-        /* initialize fd_set rfds and timeout */
-        result = select(fd+1, &rfds, NULL, 0, NULL);
-
-        if (FD_ISSET(fd, &rfds))
-            dtls_handle_read(the_context);
-    }
-    dtls_free_context(the_context);
-}