129 lines
2.2 KiB
C
129 lines
2.2 KiB
C
#include "../ol.h"
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#include "test.h"
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#include <stdio.h>
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#include <stdlib.h>
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#define BUFSIZE 1024
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typedef struct {
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ol_handle* handle;
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ol_req req;
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ol_buf buf;
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char read_buffer[BUFSIZE];
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} peer_t;
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void after_write(ol_req* req);
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void after_read(ol_req* req, size_t nread);
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void try_read(peer_t* peer);
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void on_close(ol_handle* peer, ol_err err);
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void on_accept(ol_handle* server, ol_handle* new_client);
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ol_handle *server = NULL;
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void after_write(ol_req* req) {
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peer_t *peer = (peer_t*) req->data;
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try_read(peer);
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}
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void after_read(ol_req* req, size_t nread) {
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if (nread == 0) {
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ol_close(req->handle);
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} else {
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peer_t *peer = (peer_t*) req->data;
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peer->buf.len = nread;
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peer->req.cb = after_write;
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ol_write(peer->handle, &peer->req, &peer->buf, 1);
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}
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}
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void try_read(peer_t* peer) {
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peer->buf.len = BUFSIZE;
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peer->req.cb = after_read;
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ol_read(peer->handle, &peer->req, &peer->buf, 1);
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}
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void on_close(ol_handle* peer, ol_err err) {
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if (err) {
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fprintf(stdout, "Socket error\n");
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}
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ol_free(peer);
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}
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void on_accept(ol_handle* server, ol_handle* new_client) {
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peer_t* p;
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new_client->close_cb = on_close;
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p = (peer_t*)malloc(sizeof(peer_t));
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p->handle = new_client;
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p->buf.base = p->read_buffer;
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p->buf.len = BUFSIZE;
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p->req.data = p;
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ol_req_init(&p->req, NULL);
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try_read(p);
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}
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void on_server_close(ol_handle* handle, ol_err err) {
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assert(handle == server);
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if (err) {
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fprintf(stdout, "Socket error\n");
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}
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ol_free(server);
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server = NULL;
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}
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int echo_start(int port) {
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struct sockaddr_in addr = ol_ip4_addr("0.0.0.0", port);
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int r;
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assert(server == NULL);
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server = ol_tcp_handle_new(&on_server_close, NULL);
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r = ol_bind(server, (struct sockaddr*) &addr);
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if (r) {
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/* TODO: Error codes */
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fprintf(stderr, "Bind error\n");
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return 1;
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}
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r = ol_listen(server, 128, on_accept);
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if (r) {
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/* TODO: Error codes */
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fprintf(stderr, "Listen error\n");
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return 1;
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}
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return 0;
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}
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int echo_stop() {
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assert(server != NULL);
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return ol_close(server);
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}
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TEST_IMPL(echo_server) {
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ol_init();
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if (echo_start(TEST_PORT))
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return 1;
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fprintf(stderr, "Listening!\n");
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ol_run();
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return 0;
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} |