143 lines
2.9 KiB
C
143 lines
2.9 KiB
C
#include "../oio.h"
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#include "test.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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static int completed_pingers = 0;
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#define NUM_PINGS 1000
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/* 64 bytes is enough for a pinger */
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#define BUFSIZE 10240
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static char PING[] = "PING\n";
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typedef struct {
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int pongs;
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int state;
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oio_handle handle;
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oio_req connect_req;
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oio_req read_req;
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oio_buf buf;
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char read_buffer[BUFSIZE];
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} pinger_t;
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void pinger_try_read(pinger_t* pinger);
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void pinger_on_close(oio_handle* handle, oio_err err) {
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pinger_t* pinger = (pinger_t*)handle->data;
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assert(!err);
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assert(NUM_PINGS == pinger->pongs);
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free(pinger);
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completed_pingers++;
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}
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void pinger_after_write(oio_req *req) {
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free(req);
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}
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void pinger_write_ping(pinger_t* pinger) {
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oio_req *req;
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int r;
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req = (oio_req*)malloc(sizeof(*req));
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oio_req_init(req, &pinger->handle, pinger_after_write);
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r = oio_write2(req, (char*)&PING);
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assert(!r);
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}
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void pinger_after_read(oio_req* req, size_t nread) {
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unsigned int i;
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pinger_t* pinger;
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pinger = (pinger_t*)req->handle->data;
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if (nread == 0) {
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oio_close(&pinger->handle);
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return;
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}
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/* Now we count the pings */
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for (i = 0; i < nread; i++) {
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assert(pinger->buf.base[i] == PING[pinger->state]);
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pinger->state = (pinger->state + 1) % (sizeof(PING) - 1);
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if (pinger->state == 0) {
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pinger->pongs++;
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if (pinger->pongs < NUM_PINGS) {
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pinger_write_ping(pinger);
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} else {
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oio_close(&pinger->handle);
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return;
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}
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}
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}
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pinger_try_read(pinger);
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}
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void pinger_try_read(pinger_t* pinger) {
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oio_read(&pinger->read_req, &pinger->buf, 1);
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}
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void pinger_on_connect(oio_req *req, oio_err err) {
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pinger_t *pinger = (pinger_t*)req->handle->data;
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if (err) {
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assert(0);
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}
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pinger_try_read(pinger);
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pinger_write_ping(pinger);
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}
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int pinger_new() {
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struct sockaddr_in client_addr = oio_ip4_addr("0.0.0.0", 0);
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struct sockaddr_in server_addr = oio_ip4_addr("127.0.0.1", TEST_PORT);
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pinger_t *pinger;
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pinger = (pinger_t*)malloc(sizeof(*pinger));
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pinger->state = 0;
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pinger->pongs = 0;
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pinger->buf.len = sizeof(pinger->read_buffer);
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pinger->buf.base = (char*)&pinger->read_buffer;
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/* Try to connec to the server and do NUM_PINGS ping-pongs. */
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if (oio_tcp_handle_init(&pinger->handle, pinger_on_close, (void*)pinger)) {
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return -1;
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}
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/* We are never doing multiple reads/connects at a time anyway. */
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/* so these handles can be pre-initialized. */
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oio_req_init(&pinger->connect_req, &pinger->handle, pinger_on_connect);
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oio_req_init(&pinger->read_req, &pinger->handle, pinger_after_read);
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oio_bind(&pinger->handle, (struct sockaddr*)&client_addr);
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return oio_connect(&pinger->connect_req, (struct sockaddr*)&server_addr);
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}
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TEST_IMPL(ping_pong) {
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oio_init();
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if (pinger_new()) {
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return 2;
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}
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oio_run();
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assert(completed_pingers == 1);
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return 0;
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}
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