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/*
* Copyright (c) 2021 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <hicn/http-proxy/http_proxy.h>
using namespace transport;
int usage(char* program) {
std::cerr << "USAGE: " << program << "[-C|-S] [options] <http_prefix>\n"
<< "Server or Client: \n"
<< " -P [FIRST_IPv6_WORD_HEX]\n"
<< " -t [number of threads]\n"
<< "Client Options: \n"
<< " -L [PROXY_LISTEN_PORT]\n"
<< "Server Options: \n"
<< " -a [ORIGIN_IP_ADDRESS]\n"
<< " -p [ORIGIN_PORT]\n"
<< " -c [CACHE_SIZE]\n"
<< " -m [MTU]"
<< " -l [DEFAULT_CONTENT_LIFETIME] (seconds)\n"
<< " -M (enable manifest)\n"
<< std::endl
<< "Example Server:\n"
<< " " << program
<< " -S -a example.com -p 80 -c 10000 -m 1300 -l 7200 -M -t 1 "
"http://httpserver\n"
<< "Example Client:\n"
<< " " << program << " -C -L 9091 http://httpserver\n"
<< std::endl;
return -1;
}
struct Params : HTTPProxy::ClientParams, HTTPProxy::ServerParams {
void printParams() override {
if (client) {
HTTPProxy::ClientParams::printParams();
} else if (server) {
HTTPProxy::ServerParams::printParams();
} else {
throw std::runtime_error(
"Proxy configured as client and server at the same time.");
}
std::cout << "\t"
<< "N Threads: " << n_thread << std::endl;
}
HTTPProxy* instantiateProxyAsValue() {
if (client) {
HTTPProxy::ClientParams* p = dynamic_cast<HTTPProxy::ClientParams*>(this);
return new transport::HTTPProxy(*p, n_thread);
} else if (server) {
HTTPProxy::ServerParams* p = dynamic_cast<HTTPProxy::ServerParams*>(this);
return new transport::HTTPProxy(*p, n_thread);
} else {
throw std::runtime_error(
"Proxy configured as client and server at the same time.");
}
}
bool client = false;
bool server = false;
std::uint16_t n_thread = 1;
};
int main(int argc, char** argv) {
Params params;
params.prefix = "http://hicn-http-proxy";
params.origin_address = "127.0.0.1";
params.origin_port = "80";
params.cache_size = "50000";
params.mtu = "1500";
params.first_ipv6_word = "b001";
params.content_lifetime = "7200;"; // seconds
params.manifest = false;
params.tcp_listen_port = 8080;
int opt;
while ((opt = getopt(argc, argv, "CSa:p:c:m:P:l:ML:t:")) != -1) {
switch (opt) {
case 'C':
if (params.server) {
std::cerr << "Cannot be both client and server (both -C anc -S "
"options specified.)."
<< std::endl;
return usage(argv[0]);
}
params.client = true;
break;
case 'S':
if (params.client) {
std::cerr << "Cannot be both client and server (both -C anc -S "
"options specified.)."
<< std::endl;
return usage(argv[0]);
}
params.server = true;
break;
case 'a':
params.origin_address = optarg;
break;
case 'p':
params.origin_port = optarg;
break;
case 'c':
params.cache_size = optarg;
break;
case 'm':
params.mtu = optarg;
break;
case 'P':
params.first_ipv6_word = optarg;
break;
case 'l':
params.content_lifetime = optarg;
break;
case 'L':
params.tcp_listen_port = std::stoul(optarg);
break;
case 'M':
params.manifest = true;
break;
case 't':
params.n_thread = std::stoul(optarg);
break;
case 'h':
default:
return usage(argv[0]);
}
}
if (argv[optind] == 0) {
std::cerr << "Using default prefix " << params.prefix << std::endl;
} else {
params.prefix = argv[optind];
}
params.printParams();
auto proxy = params.instantiateProxyAsValue();
proxy->run();
delete proxy;
return 0;
}
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