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httpclient.c
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httpclient.c
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//
// Copyright 2021 Staysail Systems, Inc. <[email protected]>
// Copyright 2018 Capitar IT Group BV <[email protected]>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
// Basic HTTP client tests.
#ifndef _WIN32
#include <arpa/inet.h>
#endif
#include <nng/nng.h>
#include <nng/supplemental/http/http.h>
#include <nng/supplemental/tls/tls.h>
#include "core/nng_impl.h"
#include "supplemental/sha1/sha1.c"
#include "supplemental/sha1/sha1.h"
#include "convey.h"
#include "trantest.h"
const uint8_t example_sum[20] = { 0x4a, 0x3c, 0xe8, 0xee, 0x11, 0xe0, 0x91,
0xdd, 0x79, 0x23, 0xf4, 0xd8, 0xc6, 0xe5, 0xb5, 0xe4, 0x1e, 0xc7, 0xc0,
0x47 };
const uint8_t chunked_sum[20] = { 0x9b, 0x06, 0xfb, 0xee, 0x51, 0xc6, 0x42,
0x69, 0x1c, 0xb3, 0xaa, 0x38, 0xce, 0xb8, 0x0b, 0x3a, 0xc8, 0x3b, 0x96,
0x68 };
TestMain("HTTP Client", {
Convey("Given a TCP connection to example.com", {
nng_aio * aio;
nng_http_client *cli;
nng_http_conn * http;
nng_url * url;
So(nng_aio_alloc(&aio, NULL, NULL) == 0);
So(nng_url_parse(&url, "http://example.com/") == 0);
nng_aio_set_timeout(aio, 10000);
So(nng_http_client_alloc(&cli, url) == 0);
nng_http_client_connect(cli, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
http = nng_aio_get_output(aio, 0);
Reset({
nng_http_client_free(cli);
nng_http_conn_close(http);
nng_aio_free(aio);
nng_url_free(url);
});
Convey("We can initiate a message", {
nng_http_req *req;
nng_http_res *res;
So(http != NULL);
So(nng_http_req_alloc(&req, url) == 0);
So(nng_http_res_alloc(&res) == 0);
Reset({
nng_http_req_free(req);
nng_http_res_free(res);
});
nng_http_conn_write_req(http, req, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
nng_http_conn_read_res(http, res, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
So(nng_http_res_get_status(res) == 200);
Convey("The message contents are correct", {
uint8_t digest[20];
void * data;
const char *cstr;
size_t sz;
nng_iov iov;
cstr = nng_http_res_get_header(
res, "Content-Length");
So(cstr != NULL);
sz = atoi(cstr);
So(sz > 0);
data = nng_alloc(sz);
So(data != NULL);
Reset({ nng_free(data, sz); });
iov.iov_buf = data;
iov.iov_len = sz;
So(nng_aio_set_iov(aio, 1, &iov) == 0);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
nng_http_conn_read_all(http, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
nni_sha1(data, sz, digest);
So(memcmp(digest, example_sum, 20) == 0);
});
});
});
Convey("Given a client", {
nng_aio * aio;
nng_http_client *cli;
nng_url * url;
So(nng_aio_alloc(&aio, NULL, NULL) == 0);
So(nng_url_parse(&url, "http://example.com/") == 0);
So(nng_http_client_alloc(&cli, url) == 0);
nng_aio_set_timeout(aio, 10000); // 10 sec timeout
Reset({
nng_http_client_free(cli);
nng_url_free(url);
nng_aio_free(aio);
});
Convey("One off exchange works", {
nng_http_req *req;
nng_http_res *res;
void * data;
size_t len;
uint8_t digest[20];
So(nng_http_req_alloc(&req, url) == 0);
So(nng_http_res_alloc(&res) == 0);
Reset({
nng_http_req_free(req);
nng_http_res_free(res);
});
nng_http_client_transact(cli, req, res, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
So(nng_http_res_get_status(res) == 200);
nng_http_res_get_data(res, &data, &len);
nni_sha1(data, len, digest);
So(memcmp(digest, example_sum, 20) == 0);
});
Convey("Connection reuse works", {
nng_http_req * req;
nng_http_res * res1;
nng_http_res * res2;
void * data;
size_t len;
uint8_t digest[20];
nng_http_conn *conn = NULL;
So(nng_http_req_alloc(&req, url) == 0);
So(nng_http_res_alloc(&res1) == 0);
So(nng_http_res_alloc(&res2) == 0);
Reset({
nng_http_req_free(req);
nng_http_res_free(res1);
nng_http_res_free(res2);
if (conn != NULL) {
nng_http_conn_close(conn);
}
});
nng_http_client_connect(cli, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
conn = nng_aio_get_output(aio, 0);
nng_http_conn_transact(conn, req, res1, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
So(nng_http_res_get_status(res1) == 200);
nng_http_res_get_data(res1, &data, &len);
nni_sha1(data, len, digest);
So(memcmp(digest, example_sum, 20) == 0);
nng_http_conn_transact(conn, req, res2, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
So(nng_http_res_get_status(res2) == 200);
nng_http_res_get_data(res2, &data, &len);
nni_sha1(data, len, digest);
So(memcmp(digest, example_sum, 20) == 0);
});
});
// We are skipping this test for now, because it fails all the time
// in the cloud -- it appears that there are caches and proxies that
// are unavoidable in the infrastructure. We will revisit when we
// provide our own HTTP test server on localhost.
SkipConvey("Client times out", {
nng_aio * aio;
nng_http_client *cli;
nng_url * url;
nng_http_req * req;
nng_http_res * res;
So(nng_aio_alloc(&aio, NULL, NULL) == 0);
So(nng_url_parse(&url, "http://httpbin.org/delay/30") == 0);
So(nng_http_client_alloc(&cli, url) == 0);
So(nng_http_req_alloc(&req, url) == 0);
So(nng_http_res_alloc(&res) == 0);
Reset({
nng_http_client_free(cli);
nng_url_free(url);
nng_aio_free(aio);
nng_http_req_free(req);
nng_http_res_free(res);
});
nng_aio_set_timeout(aio, 10); // 10 msec timeout
So(nng_http_req_set_header(req, "Cache-Control", "no-cache") ==
0);
nng_http_client_transact(cli, req, res, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == NNG_ETIMEDOUT);
});
Convey("Given a client (chunked)", {
nng_aio * aio;
nng_http_client *cli;
nng_url * url;
So(nng_aio_alloc(&aio, NULL, NULL) == 0);
So(nng_url_parse(&url,
"http://anglesharp.azurewebsites.net/Chunked") == 0);
// "https://jigsaw.w3.org/HTTP/ChunkedScript")
//== 0);
So(nng_http_client_alloc(&cli, url) == 0);
nng_aio_set_timeout(aio, 10000); // 10 sec timeout
Reset({
nng_http_client_free(cli);
nng_url_free(url);
nng_aio_free(aio);
});
Convey("One off exchange works", {
nng_http_req *req;
nng_http_res *res;
void * data;
size_t len;
uint8_t digest[20];
So(nng_http_req_alloc(&req, url) == 0);
So(nng_http_res_alloc(&res) == 0);
Reset({
nng_http_req_free(req);
nng_http_res_free(res);
});
nng_http_client_transact(cli, req, res, aio);
nng_aio_wait(aio);
So(nng_aio_result(aio) == 0);
So(nng_http_res_get_status(res) == 200);
nng_http_res_get_data(res, &data, &len);
nni_sha1(data, len, digest);
So(memcmp(digest, chunked_sum, 20) == 0);
});
});
})