mirror of
https://gitee.com/acl-dev/acl.git
synced 2024-12-15 09:20:52 +08:00
283 lines
6.3 KiB
C++
283 lines
6.3 KiB
C++
#include "stdafx.h"
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#include "http_transfer.h"
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http_transfer::http_transfer(acl::sslbase_conf* ssl_conf, acl::http_method_t method,
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request_t& req, response_t& res, int port)
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: ssl_conf_(ssl_conf)
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, method_(method)
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, req_(req)
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, res_(res)
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, port_(port)
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, client_(NULL)
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{
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box_ = new acl::fiber_tbox<bool>;
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res_client_ = res_.getClient();
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}
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http_transfer::~http_transfer(void) {
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delete client_;
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delete box_;
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}
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void http_transfer::wait(bool* keep_alive) {
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bool* res = box_->pop();
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assert(res);
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*keep_alive = *res;
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delete res;
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}
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static int nwait = 0;
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void http_transfer::run(void) {
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nwait++;
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bool* res = new bool;
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switch (method_) {
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case acl::HTTP_METHOD_GET:
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*res = transfer_get();
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break;
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case acl::HTTP_METHOD_POST:
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*res = transfer_post();
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break;
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default:
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logger_error("not support method: %d", (int) method_);
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*res = false;
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break;
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}
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nwait--;
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printf(">>>>nwait=%d\n", nwait);
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box_->push(res);
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}
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bool http_transfer::setup_ssl(acl::socket_stream& conn,
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acl::sslbase_conf& ssl_conf, const char* host)
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{
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acl::sslbase_io* hook = (acl::sslbase_io*) conn.get_hook();
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if (hook != NULL) {
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logger("fd=%d, already in ssl status", conn.sock_handle());
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return true;
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}
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// 对于使用 SSL 方式的流对象，需要将 SSL IO 流对象注册至网络
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// 连接流对象中，即用 ssl io 替换 stream 中默认的底层 IO 过程
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logger("begin setup ssl hook...");
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// 采用阻塞 SSL 握手方式
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acl::sslbase_io* ssl = ssl_conf.create(false);
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// 设置 SSL SNI, 以便服务端选择合适的证书
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ssl->set_sni_host(host);
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if (conn.setup_hook(ssl) == ssl) {
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logger_error("setup_hook error, fd=%d", conn.sock_handle());
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ssl->destroy();
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return false;
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}
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if (!ssl->handshake()) {
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logger_error("ssl handshake failed, fd=%d", conn.sock_handle());
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ssl->destroy();
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return false;
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}
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if (!ssl->handshake_ok()) {
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logger("handshake trying again, fd=%d", conn.sock_handle());
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ssl->destroy();
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return false;
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}
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logger("handshake_ok, fd=%d", conn.sock_handle());
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return true;
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}
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bool http_transfer::open_peer(request_t& req, acl::socket_stream& conn)
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{
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const char* host = req.getRemoteHost();
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if (host == NULL || *host == 0) {
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logger_error("no Host in request head");
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return false;
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}
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acl::string buf(host);
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char* ptr = strrchr(buf.c_str(), ':');
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if (ptr != NULL && *(ptr + 1) != 0) {
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*ptr++ = 0;
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int port = atoi(ptr);
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if (port > 0 && port < 65535) {
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port_ = port;
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}
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}
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acl::string addr;
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addr.format("%s|%d", buf.c_str(), port_);
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if (!conn.open(addr, 5, 5)) {
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logger_error("connect %s error %s",
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addr.c_str(), acl::last_serror());
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return false;
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}
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logger("connect %s ok, fd=%d, use ssl=%s", addr.c_str(),
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conn.sock_handle(), ssl_conf_ ? "yes" : "no");
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if (ssl_conf_ && !setup_ssl(conn, *ssl_conf_, host)) {
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logger_error("setup ssl error!");
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return false;
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}
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bool is_request = true, unzip = false, fixed_stream = true;
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client_ = new acl::http_client(&conn, is_request, unzip, fixed_stream);
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return true;
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}
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bool http_transfer::transfer_request_head(acl::socket_stream& conn) {
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acl::string header;
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req_.sprint_header(header, NULL);
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if (header.empty()) {
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logger_error("http request head empty");
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return false;
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}
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header += "\r\n";
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if (conn.write(header) == -1) {
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logger_error("write request header error");
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return false;
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}
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logger_debug(DEBUG_REQ, 2, ">>>send head: [%s]", header.c_str());
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return true;
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}
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bool http_transfer::transfer_request_body(acl::socket_stream& conn) {
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long long length = req_.getContentLength();
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if (length <= 0) {
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return true;
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}
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long long n = 0;
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char buf[8192];
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acl::istream* in = &req_.getInputStream();
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while (n < length) {
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int ret = in->read(buf, sizeof(buf), false);
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if (ret == -1) {
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logger_error("read request body error");
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return false;
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}
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if (conn.write(buf, ret) == -1) {
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logger_error("send request body error");
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return false;
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}
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n += ret;
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}
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return true;
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}
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bool http_transfer::transfer_get(void) {
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if (!open_peer(req_, conn_)) {
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logger_error("open server error");
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return false;
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}
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if (!transfer_request_head(conn_)) {
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logger_error("transfer_request_head error");
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return false;
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} else {
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return transfer_response();
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}
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}
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bool http_transfer::transfer_post(void) {
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if (!open_peer(req_, conn_)) {
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logger_error("open server error");
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return false;
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}
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if (!transfer_request_head(conn_)) {
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logger_error("transfer_request_head error");
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return false;
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} else if (!transfer_request_body(conn_)) {
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logger_error("transfer_request_body error");
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return false;
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} else {
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return transfer_response();
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}
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}
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bool http_transfer::transfer_response(void) {
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assert(client_);
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if (!client_->read_head()) {
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logger_error("read response head error");
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return false;
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}
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bool keep_alive = false; // xxxx
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client_->header_update("Connection", "Close");
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acl::string header;
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client_->sprint_header(header, NULL);
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if (header.empty()) {
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logger_error("response header empty");
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return false;
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}
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header += "\r\n";
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logger_debug(DEBUG_RES, 2, "response head:\r\n[%s]", header.c_str());
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acl::ostream* out = &res_.getOutputStream();
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if (out->write(header) == -1) {
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logger_error("send response head error=%s", acl::last_serror());
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return false;
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}
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//acl::http_client* out_client = res_->getClient();
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//assert(out_client);
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long long length = client_->body_length();
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if (length == 0) {
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return client_->is_server_keep_alive() && keep_alive;
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}
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HTTP_HDR_RES* hdr_res = client_->get_respond_head(NULL);
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assert(hdr_res);
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bool chunked = hdr_res->hdr.chunked ? true : false;
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char buf[8192];
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while (true) {
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int ret = client_->read_body(buf, sizeof(buf));
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if (ret <= 0) {
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break;
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} else if (!chunked) {
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if (out->write(buf, ret) == -1) {
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logger_error("send response body error=%s, rfd=%d, wfd=%d",
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acl::last_serror(), client_->get_stream().sock_handle(),
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res_client_->get_stream().sock_handle());
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return false;
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}
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} else if (!res_client_->write_chunk(*out, buf, ret)) {
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logger_error("reply chunk body error=%s, rfd=%d, wfd=%d",
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acl::last_serror(), client_->get_stream().sock_handle(),
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res_client_->get_stream().sock_handle());
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return false;
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}
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}
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if (chunked) {
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if (!res_client_->write_chunk_trailer(*out)) {
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logger_error("write chunked trailer error=%s, rfd=%d, wfd=%d",
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acl::last_serror(), client_->get_stream().sock_handle(),
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res_client_->get_stream().sock_handle());
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return false;
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}
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}
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return client_->is_server_keep_alive() && false;
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}
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