c-libp2p/yamux/test.c
2017-11-19 13:37:03 -05:00

235 lines
4.6 KiB
C

#include <string.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <errno.h>
#include "libp2p/yamux/session.h"
#include "libp2p/yamux/frame.h"
#include "libp2p/yamux/stream.h"
static void on_read(struct yamux_stream* stream, uint32_t data_len, void* data)
{
char d[data_len + 1];
d[data_len] = 0;
memcpy(d, data, data_len);
printf("%s", d);
}
static void on_new(struct yamux_session* session, struct yamux_stream* stream)
{
stream->read_fn = on_read;
}
static struct sockaddr_in addr;
int init_server(int sock) {
int err;
//printf("bind\n");
if ((err = bind(sock, (struct sockaddr*)&addr, sizeof(struct sockaddr_in))) < 0)
return err;
//printf("listen\n");
if ((err = listen(sock, 0x80)) < 0)
return err;
//printf("accept\n");
return accept(sock, NULL, NULL);
}
int init_client(int sock) {
int err;
//printf("connect\n");
if ((err = connect(sock, (struct sockaddr*)&addr, sizeof(struct sockaddr_in))) < 0)
return err;
return sock;
}
int do_server() {
int sock;
int e = 0;
ssize_t ee;
// init sock
if ((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
{
e = errno;
printf("socket() failed with %i\n", e);
goto END;
}
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr("127.0.0.1");
addr.sin_port = htons(1337);
int s2 = -1;
ssize_t initr = init_server(sock);
if (initr < 0)
{
e = errno;
printf("init failed with %i, errno=%i\n", (int)-initr, e);
goto FREE_SOCK;
}
s2 = (int)initr;
// init yamux
struct yamux_session* sess = yamux_session_new(NULL, s2,
yamux_session_server
, NULL);
if (!sess)
{
printf("yamux_session_new() failed\n");
goto FREE_SOCK;
}
sess->new_stream_fn = on_new;
for (;;) {
if ((ee = yamux_session_read(sess)) < 0)
{
e = errno;
printf("yamux_session_read() failed with %i, errno=%i\n", (int)-ee, e);
goto KILL_STRM;
}
}
KILL_STRM:
yamux_session_free(sess);
FREE_SOCK:
close(sock);
END:
return 0;
}
int do_client() {
int sock;
int e = 0;
ssize_t ee;
// init sock
if ((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
{
e = errno;
printf("socket() failed with %i\n", e);
goto END;
}
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr("127.0.0.1");
addr.sin_port = htons(1337);
int s2 = -1;
ssize_t initr = init_client(sock);
if (initr < 0)
{
e = errno;
printf("init failed with %i, errno=%i\n", (int)-initr, e);
goto FREE_SOCK;
}
s2 = (int)initr;
// init yamux
struct yamux_session* sess = yamux_session_new(NULL, s2,
yamux_session_client
, NULL);
if (!sess)
{
printf("yamux_session_new() failed\n");
goto FREE_SOCK;
}
sess->new_stream_fn = on_new;
struct yamux_stream* strm = yamux_channel_new(sess, 0, NULL);
if (!strm)
{
printf("yamux_new_stream() failed\n");
goto FREE_YAMUX;
}
strm->read_fn = on_read;
if ((ee = yamux_stream_init(strm)) < 0)
{
e = errno;
printf("yamux_stream_init() failed with %i, errno=%i\n", (int)-ee, e);
goto KILL_STRM;
}
char str[] = "hello\n";
if ((ee = yamux_stream_write(strm, 6, str)) < 0)
{
e = errno;
printf("yamux_stream_write() failed with %i, errno=%i\n", (int)-ee, e);
goto KILL_STRM;
}
for (;;) {
if ((ee = yamux_session_read(sess)) < 0)
{
e = errno;
printf("yamux_session_read() failed with %i, errno=%i\n", (int)-ee, e);
goto KILL_STRM;
}
break;
}
KILL_STRM:
if (yamux_stream_reset(strm))
goto FREE_STRM;
FREE_STRM:
yamux_stream_free(strm);
FREE_YAMUX:
yamux_session_free(sess);
FREE_SOCK:
close(sock);
END:
return 0;
}
int main(int argc, char* argv[])
{
int e = 0;
int client = -1;
if (argc < 2) {
e = 1;
} else {
if (strcmp(argv[1], "client") == 0)
client = 1;
if (strcmp(argv[1], "server") == 0)
client = 0;
}
if (e || client == -1) {
fprintf(stderr, "Syntax: %s server or %s client\n", argv[0], argv[0]);
exit(e);
}
if (client)
return do_client();
else
return do_server();
}