#include "stdafx.h"
#include <stdlib.h>
#include <stdio.h>
#include "http_servlet.h"

#define	 STACK_SIZE	128000

static int __rw_timeout = 10;
static acl::string __ssl_crt("./ssl_crt.pem");
static acl::string __ssl_key("./ssl_key.pem");
static acl::sslbase_conf* __ssl_conf;

static void http_server(ACL_FIBER *, void *ctx)
{
	acl::socket_stream *conn = (acl::socket_stream *) ctx;

	printf("start one http_server\r\n");

	acl::sslbase_io* ssl = __ssl_conf->create(false);

	if (conn->setup_hook(ssl) == ssl) {
		printf("setup_hook error\r\n");
		ssl->destroy();
		delete conn;
		return;
	}

#if 0
	if (!ssl->handshake()) {
		printf("ssl handshake error\r\n");
		ssl->destroy();
		delete conn;
		return;
	}
	if (!ssl->handshake_ok()) {
		printf("ssl handshake error\r\n");
		ssl->destroy();
		delete conn;
		return;
	}
#endif

	printf("ssl handshake_ok\r\n");

	acl::memcache_session session("127.0.0.1:11211");
	http_servlet servlet(conn, &session);
	servlet.setLocalCharset("gb2312");

	while (true) {
		if (!servlet.doRun()) {
			break;
		}
	}

	printf("close one connection: %d, %s\r\n", conn->sock_handle(),
		acl::last_serror());
	delete conn;
}

static void ssl_init(acl::sslbase_conf& conf, const acl::string& crt,
	const acl::string& key)
{
	conf.enable_cache(1);

	if (!conf.add_cert(crt)) {
		printf("load %s error\r\n", crt.c_str());
		exit (1);
	}

	if (!conf.set_key(key)) {
		printf("set_key %s error\r\n", key.c_str());
		exit (1);
	}

	printf(">>> ssl_init ok, ssl_crt: %s, ssl_key: %s\r\n",
		crt.c_str(), key.c_str());
}

static void fiber_accept(ACL_FIBER *, void *ctx)
{
	const char* addr = (const char* ) ctx;
	acl::server_socket server;

	ssl_init(*__ssl_conf, __ssl_crt, __ssl_key);

	if (!server.open(addr)) {
		printf("open %s error\r\n", addr);
		exit (1);
	} else {
		printf(">>> listen %s ok\r\n", addr);
	}

	while (true) {
		acl::socket_stream* client = server.accept();
		if (client == NULL) {
			printf("accept failed: %s\r\n", acl::last_serror());
			break;
		}

		client->set_rw_timeout(__rw_timeout);
		printf("accept one: %d\r\n", client->sock_handle());
		acl_fiber_create(http_server, client, STACK_SIZE);
	}

	exit (0);
}

static void usage(const char* procname)
{
	printf("usage: %s -h [help]\r\n"
		" -l ssl_lib_path\r\n"
		" -s listen_addr\r\n"
		" -r rw_timeout\r\n"
		" -c ssl_crt.pem\r\n"
		" -k ssl_key.pem\r\n", procname);
}

int main(int argc, char *argv[])
{
	acl::string addr(":9001");
#ifdef __APPLE__
	acl::string libpath("/usr/local/lib/libcrypto.dylib; /usr/local/lib/libssl.dylib");
#else
	acl::string libpath("/usr/local/lib64/libcrypto.so; /usr/local/lib/libssl.so");
#endif
	int  ch;

	acl::acl_cpp_init();
	acl::log::stdout_open(true);

	while ((ch = getopt(argc, argv, "hs:r:c:k:l:")) > 0) {
		switch (ch) {
		case 'h':
			usage(argv[0]);
			return 0;
		case 's':
			addr = optarg;
			break;
		case 'r':
			__rw_timeout = atoi(optarg);
			break;
		case 'c':
			__ssl_crt = optarg;
			break;
		case 'k':
			__ssl_key = optarg;
			break;
		case 'l':
			libpath = optarg;
			break;
		default:
			break;
		}
	}

	if (libpath.find("mbedtls") != NULL) {
		const std::vector<acl::string>& libs = libpath.split2("; \t");
		if (libs.size() != 3) {
			printf("invalid libpath=%s\r\n", libpath.c_str());
			return 1;
		}

		acl::mbedtls_conf::set_libpath(libs[0], libs[1], libs[2]);
		if (acl::mbedtls_conf::load()) {
			__ssl_conf = new acl::mbedtls_conf(true);
		} else {
			printf("load %s error\r\n", libpath.c_str());
			return 1;
		}
	} else if (libpath.find("polarlssl") != NULL) {
		acl::polarssl_conf::set_libpath(libpath);
		if (acl::polarssl_conf::load()) {
			__ssl_conf = new acl::polarssl_conf;
		} else {
			printf("load %s error\r\n", libpath.c_str());
			return 1;
		}
	} else if (libpath.find("crypto") != NULL) {
		const std::vector<acl::string>& libs = libpath.split2("; \t");
		if (libs.size() != 2) {
			printf("invalid libpath=%s\r\n", libpath.c_str());
			return 1;
		}
		acl::openssl_conf::set_libpath(libs[0], libs[1]);
		if (!acl::openssl_conf::load()) {
			printf("load %s error\r\n", libpath.c_str());
			return 1;
		}
		__ssl_conf = new acl::openssl_conf(true);
	} else {
		printf("invalid ssl lib=%s\r\n", libpath.c_str());
		return 1;
	}

	acl_fiber_create(fiber_accept, addr.c_str(), STACK_SIZE);
	acl_fiber_schedule();
	delete __ssl_conf;
	return 0;
}