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load_test.c
147 lines (105 loc) · 4.17 KB
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load_test.c
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/* This is a simple yet efficient WebSocket server benchmark much like WRK */
#include <libusockets.h>
//#include "helper.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// request eller upgradeRequest samt webSocketFrame
unsigned char web_socket_request[26] = {130, 128 | 20, 1, 2, 3, 4};
char request[] = "GET / HTTP/1.1\r\n"
"Upgrade: websocket\r\n"
"Connection: Upgrade\r\n"
"Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==\r\n"
"Host: server.example.com\r\n"
"Sec-WebSocket-Version: 13\r\n\r\n";
char *host;
int port;
int connections;
int responses;
struct http_socket {
/* How far we have streamed our request */
int offset;
};
/* We don't need any of these */
void on_wakeup(struct us_loop *loop) {
}
void on_pre(struct us_loop *loop) {
}
/* This is not HTTP POST, it is merely an event emitted post loop iteration */
void on_post(struct us_loop *loop) {
}
struct us_socket *on_http_socket_writable(struct us_socket *s) {
struct http_socket *http_socket = (struct http_socket *) us_socket_ext(s);
/* Stream whatever is remaining of the request */
http_socket->offset += us_socket_write(s, web_socket_request + http_socket->offset, sizeof(web_socket_request) - http_socket->offset, 0);
return s;
}
struct us_socket *on_http_socket_close(struct us_socket *s) {
printf("Closed!\n");
return s;
}
struct us_socket *on_http_socket_end(struct us_socket *s) {
return us_socket_close(s);
}
struct us_socket *on_http_socket_data(struct us_socket *s, char *data, int length) {
/* Get socket extension and the socket's context's extension */
struct http_socket *http_socket = (struct http_socket *) us_socket_ext(s);
struct http_context *http_context = (struct http_context *) us_socket_context_ext(us_socket_get_context(s));
/* We treat all data events as a response */
http_socket->offset = us_socket_write(s, web_socket_request, sizeof(web_socket_request), 0);
/* */
responses++;
//printf("Fick ett svar\n");
return s;
}
struct us_socket *on_http_socket_open(struct us_socket *s, int is_client) {
struct http_socket *http_socket = (struct http_socket *) us_socket_ext(s);
/* Reset offset */
http_socket->offset = 0;
/* Send a request */
us_socket_write(s, request, sizeof(request) - 1, 0);
if (--connections) {
us_socket_context_connect(us_socket_get_context(s), host, port, 0, sizeof(struct http_socket));
} else {
printf("Running benchmark now...\n");
us_socket_timeout(s, LIBUS_TIMEOUT_GRANULARITY);
}
return s;
}
struct us_socket *on_http_socket_timeout(struct us_socket *s) {
/* Print current statistics */
printf("Req/sec: %f\n", ((float)responses) / LIBUS_TIMEOUT_GRANULARITY);
responses = 0;
us_socket_timeout(s, LIBUS_TIMEOUT_GRANULARITY);
return s;
}
int main(int argc, char **argv) {
/* Parse host and port */
if (argc != 4) {
printf("Usage: connections host port\n");
return 0;
}
port = atoi(argv[3]);
host = malloc(strlen(argv[2]) + 1);
memcpy(host, argv[2], strlen(argv[2]) + 1);
connections = atoi(argv[1]);
/* Create the event loop */
struct us_loop *loop = us_create_loop(1, on_wakeup, on_pre, on_post, 0);
/* Create a socket context for HTTP */
#ifndef LIBUS_NO_SSL
struct us_ssl_socket_context_options ssl_options = {};
struct us_socket_context *http_context = us_create_ssl_socket_context(loop, 0, ssl_options);
#else
struct us_socket_context *http_context = us_create_socket_context(loop, 0);
#endif
/* Set up event handlers */
us_socket_context_on_open(http_context, on_http_socket_open);
us_socket_context_on_data(http_context, on_http_socket_data);
us_socket_context_on_writable(http_context, on_http_socket_writable);
us_socket_context_on_close(http_context, on_http_socket_close);
us_socket_context_on_timeout(http_context, on_http_socket_timeout);
us_socket_context_on_end(http_context, on_http_socket_end);
/* Start making HTTP connections */
us_socket_context_connect(http_context, host, port, 0, sizeof(struct http_socket));
us_loop_run(loop);
}