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8284 lines (6967 loc) · 271 KB
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//
// httplib.h
//
// Copyright (c) 2022 Yuji Hirose. All rights reserved.
// MIT License
//
#ifndef CPPHTTPLIB_HTTPLIB_H
#define CPPHTTPLIB_HTTPLIB_H
#define CPPHTTPLIB_VERSION "0.10.9"
/*
* Configuration
*/
#ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND
#define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_KEEPALIVE_MAX_COUNT
#define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5
#endif
#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND
#define CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND 300
#endif
#ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND
#define CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_READ_TIMEOUT_SECOND
#define CPPHTTPLIB_READ_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_READ_TIMEOUT_USECOND
#define CPPHTTPLIB_READ_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_WRITE_TIMEOUT_SECOND
#define CPPHTTPLIB_WRITE_TIMEOUT_SECOND 5
#endif
#ifndef CPPHTTPLIB_WRITE_TIMEOUT_USECOND
#define CPPHTTPLIB_WRITE_TIMEOUT_USECOND 0
#endif
#ifndef CPPHTTPLIB_IDLE_INTERVAL_SECOND
#define CPPHTTPLIB_IDLE_INTERVAL_SECOND 0
#endif
#ifndef CPPHTTPLIB_IDLE_INTERVAL_USECOND
#ifdef _WIN32
#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 10000
#else
#define CPPHTTPLIB_IDLE_INTERVAL_USECOND 0
#endif
#endif
#ifndef CPPHTTPLIB_REQUEST_URI_MAX_LENGTH
#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_HEADER_MAX_LENGTH
#define CPPHTTPLIB_HEADER_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT
#define CPPHTTPLIB_REDIRECT_MAX_COUNT 20
#endif
#ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH
#define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits<size_t>::max)())
#endif
#ifndef CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH
#define CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_TCP_NODELAY
#define CPPHTTPLIB_TCP_NODELAY false
#endif
#ifndef CPPHTTPLIB_RECV_BUFSIZ
#define CPPHTTPLIB_RECV_BUFSIZ size_t(4096u)
#endif
#ifndef CPPHTTPLIB_COMPRESSION_BUFSIZ
#define CPPHTTPLIB_COMPRESSION_BUFSIZ size_t(16384u)
#endif
#ifndef CPPHTTPLIB_THREAD_POOL_COUNT
#define CPPHTTPLIB_THREAD_POOL_COUNT \
((std::max)(8u, std::thread::hardware_concurrency() > 0 \
? std::thread::hardware_concurrency() - 1 \
: 0))
#endif
#ifndef CPPHTTPLIB_RECV_FLAGS
#define CPPHTTPLIB_RECV_FLAGS 0
#endif
#ifndef CPPHTTPLIB_SEND_FLAGS
#define CPPHTTPLIB_SEND_FLAGS 0
#endif
#ifndef CPPHTTPLIB_LISTEN_BACKLOG
#define CPPHTTPLIB_LISTEN_BACKLOG 5
#endif
/*
* Headers
*/
#ifdef _WIN32
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif //_CRT_SECURE_NO_WARNINGS
#ifndef _CRT_NONSTDC_NO_DEPRECATE
#define _CRT_NONSTDC_NO_DEPRECATE
#endif //_CRT_NONSTDC_NO_DEPRECATE
#if defined(_MSC_VER)
#if _MSC_VER < 1900
#error Sorry, Visual Studio versions prior to 2015 are not supported
#endif
#pragma comment(lib, "ws2_32.lib")
#ifdef _WIN64
using ssize_t = __int64;
#else
using ssize_t = int;
#endif
#endif // _MSC_VER
#ifndef S_ISREG
#define S_ISREG(m) (((m)&S_IFREG) == S_IFREG)
#endif // S_ISREG
#ifndef S_ISDIR
#define S_ISDIR(m) (((m)&S_IFDIR) == S_IFDIR)
#endif // S_ISDIR
#ifndef NOMINMAX
#define NOMINMAX
#endif // NOMINMAX
#include <io.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#ifndef WSA_FLAG_NO_HANDLE_INHERIT
#define WSA_FLAG_NO_HANDLE_INHERIT 0x80
#endif
#ifndef strcasecmp
#define strcasecmp _stricmp
#endif // strcasecmp
using socket_t = SOCKET;
#ifdef CPPHTTPLIB_USE_POLL
#define poll(fds, nfds, timeout) WSAPoll(fds, nfds, timeout)
#endif
#else // not _WIN32
#include <arpa/inet.h>
#include <ifaddrs.h>
#include <net/if.h>
#include <netdb.h>
#include <netinet/in.h>
#ifdef __linux__
#include <resolv.h>
#endif
#include <netinet/tcp.h>
#ifdef CPPHTTPLIB_USE_POLL
#include <poll.h>
#endif
#include <csignal>
#include <pthread.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <unistd.h>
using socket_t = int;
#ifndef INVALID_SOCKET
#define INVALID_SOCKET (-1)
#endif
#endif //_WIN32
#include <algorithm>
#include <array>
#include <atomic>
#include <cassert>
#include <cctype>
#include <climits>
#include <condition_variable>
#include <cstring>
#include <errno.h>
#include <fcntl.h>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <mutex>
#include <random>
#include <regex>
#include <set>
#include <sstream>
#include <string>
#include <sys/stat.h>
#include <thread>
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
#ifdef _WIN32
#include <wincrypt.h>
// these are defined in wincrypt.h and it breaks compilation if BoringSSL is
// used
#undef X509_NAME
#undef X509_CERT_PAIR
#undef X509_EXTENSIONS
#undef PKCS7_SIGNER_INFO
#ifdef _MSC_VER
#pragma comment(lib, "crypt32.lib")
#pragma comment(lib, "cryptui.lib")
#endif
#endif //_WIN32
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/ssl.h>
#include <openssl/x509v3.h>
#if defined(_WIN32) && defined(OPENSSL_USE_APPLINK)
#include <openssl/applink.c>
#endif
#include <iostream>
#include <sstream>
#if OPENSSL_VERSION_NUMBER < 0x1010100fL
#error Sorry, OpenSSL versions prior to 1.1.1 are not supported
#endif
#if OPENSSL_VERSION_NUMBER < 0x10100000L
#include <openssl/crypto.h>
inline const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *asn1) {
return M_ASN1_STRING_data(asn1);
}
#endif
#endif
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
#include <zlib.h>
#endif
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
#include <brotli/decode.h>
#include <brotli/encode.h>
#endif
/*
* Declaration
*/
namespace httplib {
namespace detail {
/*
* Backport std::make_unique from C++14.
*
* NOTE: This code came up with the following stackoverflow post:
* https://stackoverflow.com/questions/10149840/c-arrays-and-make-unique
*
*/
template <class T, class... Args>
typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type
make_unique(Args &&...args) {
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
template <class T>
typename std::enable_if<std::is_array<T>::value, std::unique_ptr<T>>::type
make_unique(std::size_t n) {
typedef typename std::remove_extent<T>::type RT;
return std::unique_ptr<T>(new RT[n]);
}
struct ci {
bool operator()(const std::string &s1, const std::string &s2) const {
return std::lexicographical_compare(s1.begin(), s1.end(), s2.begin(),
s2.end(),
[](unsigned char c1, unsigned char c2) {
return ::tolower(c1) < ::tolower(c2);
});
}
};
} // namespace detail
using Headers = std::multimap<std::string, std::string, detail::ci>;
using Params = std::multimap<std::string, std::string>;
using Match = std::smatch;
using Progress = std::function<bool(uint64_t current, uint64_t total)>;
struct Response;
using ResponseHandler = std::function<bool(const Response &response)>;
struct MultipartFormData {
std::string name;
std::string content;
std::string filename;
std::string content_type;
};
using MultipartFormDataItems = std::vector<MultipartFormData>;
using MultipartFormDataMap = std::multimap<std::string, MultipartFormData>;
class DataSink {
public:
DataSink() : os(&sb_), sb_(*this) {}
DataSink(const DataSink &) = delete;
DataSink &operator=(const DataSink &) = delete;
DataSink(DataSink &&) = delete;
DataSink &operator=(DataSink &&) = delete;
std::function<bool(const char *data, size_t data_len)> write;
std::function<void()> done;
std::function<bool()> is_writable;
std::ostream os;
private:
class data_sink_streambuf : public std::streambuf {
public:
explicit data_sink_streambuf(DataSink &sink) : sink_(sink) {}
protected:
std::streamsize xsputn(const char *s, std::streamsize n) {
sink_.write(s, static_cast<size_t>(n));
return n;
}
private:
DataSink &sink_;
};
data_sink_streambuf sb_;
};
using ContentProvider =
std::function<bool(size_t offset, size_t length, DataSink &sink)>;
using ContentProviderWithoutLength =
std::function<bool(size_t offset, DataSink &sink)>;
using ContentProviderResourceReleaser = std::function<void(bool success)>;
using ContentReceiverWithProgress =
std::function<bool(const char *data, size_t data_length, uint64_t offset,
uint64_t total_length)>;
using ContentReceiver =
std::function<bool(const char *data, size_t data_length)>;
using MultipartContentHeader =
std::function<bool(const MultipartFormData &file)>;
class ContentReader {
public:
using Reader = std::function<bool(ContentReceiver receiver)>;
using MultipartReader = std::function<bool(MultipartContentHeader header,
ContentReceiver receiver)>;
ContentReader(Reader reader, MultipartReader multipart_reader)
: reader_(std::move(reader)),
multipart_reader_(std::move(multipart_reader)) {}
bool operator()(MultipartContentHeader header,
ContentReceiver receiver) const {
return multipart_reader_(std::move(header), std::move(receiver));
}
bool operator()(ContentReceiver receiver) const {
return reader_(std::move(receiver));
}
Reader reader_;
MultipartReader multipart_reader_;
};
using Range = std::pair<ssize_t, ssize_t>;
using Ranges = std::vector<Range>;
struct Request {
std::string method;
std::string path;
Headers headers;
std::string body;
std::string remote_addr;
int remote_port = -1;
// for server
std::string version;
std::string target;
Params params;
MultipartFormDataMap files;
Ranges ranges;
Match matches;
// for client
ResponseHandler response_handler;
ContentReceiverWithProgress content_receiver;
Progress progress;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
const SSL *ssl = nullptr;
#endif
bool has_header(const std::string &key) const;
std::string get_header_value(const std::string &key, size_t id = 0) const;
template <typename T>
T get_header_value(const std::string &key, size_t id = 0) const;
size_t get_header_value_count(const std::string &key) const;
void set_header(const std::string &key, const std::string &val);
bool has_param(const std::string &key) const;
std::string get_param_value(const std::string &key, size_t id = 0) const;
size_t get_param_value_count(const std::string &key) const;
bool is_multipart_form_data() const;
bool has_file(const std::string &key) const;
MultipartFormData get_file_value(const std::string &key) const;
// private members...
size_t redirect_count_ = CPPHTTPLIB_REDIRECT_MAX_COUNT;
size_t content_length_ = 0;
ContentProvider content_provider_;
bool is_chunked_content_provider_ = false;
size_t authorization_count_ = 0;
};
struct Response {
std::string version;
int status = -1;
std::string reason;
Headers headers;
std::string body;
std::string location; // Redirect location
bool has_header(const std::string &key) const;
std::string get_header_value(const std::string &key, size_t id = 0) const;
template <typename T>
T get_header_value(const std::string &key, size_t id = 0) const;
size_t get_header_value_count(const std::string &key) const;
void set_header(const std::string &key, const std::string &val);
void set_redirect(const std::string &url, int status = 302);
void set_content(const char *s, size_t n, const std::string &content_type);
void set_content(const std::string &s, const std::string &content_type);
void set_content_provider(
size_t length, const std::string &content_type, ContentProvider provider,
ContentProviderResourceReleaser resource_releaser = nullptr);
void set_content_provider(
const std::string &content_type, ContentProviderWithoutLength provider,
ContentProviderResourceReleaser resource_releaser = nullptr);
void set_chunked_content_provider(
const std::string &content_type, ContentProviderWithoutLength provider,
ContentProviderResourceReleaser resource_releaser = nullptr);
Response() = default;
Response(const Response &) = default;
Response &operator=(const Response &) = default;
Response(R
10BC8
esponse &&) = default;
Response &operator=(Response &&) = default;
~Response() {
if (content_provider_resource_releaser_) {
content_provider_resource_releaser_(content_provider_success_);
}
}
// private members...
size_t content_length_ = 0;
ContentProvider content_provider_;
ContentProviderResourceReleaser content_provider_resource_releaser_;
bool is_chunked_content_provider_ = false;
bool content_provider_success_ = false;
};
class Stream {
public:
virtual ~Stream() = default;
virtual bool is_readable() const = 0;
virtual bool is_writable() const = 0;
virtual ssize_t read(char *ptr, size_t size) = 0;
virtual ssize_t write(const char *ptr, size_t size) = 0;
virtual void get_remote_ip_and_port(std::string &ip, int &port) const = 0;
virtual socket_t socket() const = 0;
template <typename... Args>
ssize_t write_format(const char *fmt, const Args &...args);
ssize_t write(const char *ptr);
ssize_t write(const std::string &s);
};
class TaskQueue {
public:
TaskQueue() = default;
virtual ~TaskQueue() = default;
virtual void enqueue(std::function<void()> fn) = 0;
virtual void shutdown() = 0;
virtual void on_idle() {}
};
class ThreadPool : public TaskQueue {
public:
explicit ThreadPool(size_t n) : shutdown_(false) {
while (n) {
threads_.emplace_back(worker(*this));
n--;
}
}
ThreadPool(const ThreadPool &) = delete;
~ThreadPool() override = default;
void enqueue(std::function<void()> fn) override {
std::unique_lock<std::mutex> lock(mutex_);
jobs_.push_back(std::move(fn));
cond_.notify_one();
}
void shutdown() override {
// Stop all worker threads...
{
std::unique_lock<std::mutex> lock(mutex_);
shutdown_ = true;
}
cond_.notify_all();
// Join...
for (auto &t : threads_) {
t.join();
}
}
private:
struct worker {
explicit worker(ThreadPool &pool) : pool_(pool) {}
void operator()() {
for (;;) {
std::function<void()> fn;
{
std::unique_lock<std::mutex> lock(pool_.mutex_);
pool_.cond_.wait(
lock, [&] { return !pool_.jobs_.empty() || pool_.shutdown_; });
if (pool_.shutdown_ && pool_.jobs_.empty()) { break; }
fn = pool_.jobs_.front();
pool_.jobs_.pop_front();
}
assert(true == static_cast<bool>(fn));
fn();
}
}
ThreadPool &pool_;
};
friend struct worker;
std::vector<std::thread> threads_;
std::list<std::function<void()>> jobs_;
bool shutdown_;
std::condition_variable cond_;
std::mutex mutex_;
};
using Logger = std::function<void(const Request &, const Response &)>;
using SocketOptions = std::function<void(socket_t sock)>;
void default_socket_options(socket_t sock);
class Server {
public:
using Handler = std::function<void(const Request &, Response &)>;
using ExceptionHandler =
std::function<void(const Request &, Response &, std::exception_ptr ep)>;
enum class HandlerResponse {
Handled,
Unhandled,
};
using HandlerWithResponse =
std::function<HandlerResponse(const Request &, Response &)>;
using HandlerWithContentReader = std::function<void(
const Request &, Response &, const ContentReader &content_reader)>;
using Expect100ContinueHandler =
std::function<int(const Request &, Response &)>;
Server();
virtual ~Server();
virtual bool is_valid() const;
Server &Get(const std::string &pattern, Handler handler);
Server &Post(const std::string &pattern, Handler handler);
Server &Post(const std::string &pattern, HandlerWithContentReader handler);
Server &Put(const std::string &pattern, Handler handler);
Server &Put(const std::string &pattern, HandlerWithContentReader handler);
Server &Patch(const std::string &pattern, Handler handler);
Server &Patch(const std::string &pattern, HandlerWithContentReader handler);
Server &Delete(const std::string &pattern, Handler handler);
Server &Delete(const std::string &pattern, HandlerWithContentReader handler);
Server &Options(const std::string &pattern, Handler handler);
bool set_base_dir(const std::string &dir,
const std::string &mount_point = std::string());
bool set_mount_point(const std::string &mount_point, const std::string &dir,
Headers headers = Headers());
bool remove_mount_point(const std::string &mount_point);
Server &set_file_extension_and_mimetype_mapping(const std::string &ext,
const std::string &mime);
Server &set_file_request_handler(Handler handler);
Server &set_error_handler(HandlerWithResponse handler);
Server &set_error_handler(Handler handler);
Server &set_exception_handler(ExceptionHandler handler);
Server &set_pre_routing_handler(HandlerWithResponse handler);
Server &set_post_routing_handler(Handler handler);
Server &set_expect_100_continue_handler(Expect100ContinueHandler handler);
Server &set_logger(Logger logger);
Server &set_address_family(int family);
Server &set_tcp_nodelay(bool on);
Server &set_socket_options(SocketOptions socket_options);
Server &set_default_headers(Headers headers);
Server &set_keep_alive_max_count(size_t count);
Server &set_keep_alive_timeout(time_t sec);
Server &set_read_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
Server &set_read_timeout(const std::chrono::duration<Rep, Period> &duration);
Server &set_write_timeout(time_t sec, time_t usec = 0);
template <class Rep, class Period>
Server &set_write_timeout(const std::chrono::duration<Rep, Period> &duration);
Server &set_idle_interval(time_t sec, time_t usec = 0);
template <class Rep, class Period>
Server &set_idle_interval(const std::chrono::duration<Rep, Period> &duration);
Server &set_payload_max_length(size_t length);
bool bind_to_port(const std::string &host, int port, int socket_flags = 0);
int bind_to_any_port(const std::string &host, int socket_flags = 0);
bool listen_after_bind();
bool listen(const std::string &host, int port, int socket_flags = 0);
bool is_running() const;
void stop();
std::function<TaskQueue *(void)> new_task_queue;
protected:
bool process_request(Stream &strm, bool close_connection,
bool &connection_closed,
const std::function<void(Request &)> &setup_request);
std::atomic<socket_t> svr_sock_;
size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT;
time_t keep_alive_timeout_sec_ = CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND;
time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND;
time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND;
time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND;
time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND;
time_t idle_interval_sec_ = CPPHTTPLIB_IDLE_INTERVAL_SECOND;
time_t idle_interval_usec_ = CPPHTTPLIB_IDLE_INTERVAL_USECOND;
size_t payload_max_length_ = CPPHTTPLIB_PAYLOAD_MAX_LENGTH;
private:
using Handlers = std::vector<std::pair<std::regex, Handler>>;
using HandlersForContentReader =
std::vector<std::pair<std::regex, HandlerWithContentReader>>;
socket_t create_server_socket(const std::string &host, int port,
int socket_flags,
SocketOptions socket_options) const;
int bind_internal(const std::string &host, int port, int socket_flags);
bool listen_internal();
bool routing(Request &req, Response &res, Stream &strm);
bool handle_file_request(const Request &req, Response &res,
bool head = false);
bool dispatch_request(Request &req, Response &res, const Handlers &handlers);
bool
dispatch_request_for_content_reader(Request &req, Response &res,
ContentReader content_reader,
const HandlersForContentReader &handlers);
bool parse_request_line(const char *s, Request &req);
void apply_ranges(const Request &req, Response &res,
std::string &content_type, std::string &boundary);
bool write_response(Stream &strm, bool close_connection, const Request &req,
Response &res);
bool write_response_with_content(Stream &strm, bool close_connection,
const Request &req, Response &res);
bool write_response_core(Stream &strm, bool close_connection,
const Request &req, Response &res,
bool need_apply_ranges);
bool write_content_with_provider(Stream &strm, const Request &req,
Response &res, const std::string &boundary,
const std::string &content_type);
bool read_content(Stream &strm, Request &req, Response &res);
bool
read_content_with_content_receiver(Stream &strm, Request &req, Response &res,
ContentReceiver receiver,
MultipartContentHeader multipart_header,
ContentReceive
10BC8
r multipart_receiver);
bool read_content_core(Stream &strm, Request &req, Response &res,
ContentReceiver receiver,
MultipartContentHeader mulitpart_header,
ContentReceiver multipart_receiver);
virtual bool process_and_close_socket(socket_t sock);
struct MountPointEntry {
std::string mount_point;
std::string base_dir;
Headers headers;
};
std::vector<MountPointEntry> base_dirs_;
std::atomic<bool> is_running_;
std::map<std::string, std::string> file_extension_and_mimetype_map_;
Handler file_request_handler_;
Handlers get_handlers_;
Handlers post_handlers_;
HandlersForContentReader post_handlers_for_content_reader_;
Handlers put_handlers_;
HandlersForContentReader put_handlers_for_content_reader_;
Handlers patch_handlers_;
HandlersForContentReader patch_handlers_for_content_reader_;
Handlers delete_handlers_;
HandlersForContentReader delete_handlers_for_content_reader_;
Handlers options_handlers_;
HandlerWithResponse error_handler_;
ExceptionHandler exception_handler_;
HandlerWithResponse pre_routing_handler_;
Handler post_routing_handler_;
Logger logger_;
Expect100ContinueHandler expect_100_continue_handler_;
int address_family_ = AF_UNSPEC;
bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY;
SocketOptions socket_options_ = default_socket_options;
Headers default_headers_;
};
enum class Error {
Success = 0,
Unknown,
Connection,
BindIPAddress,
Read,
Write,
ExceedRedirectCount,
Canceled,
SSLConnection,
SSLLoadingCerts,
SSLServerVerification,
UnsupportedMultipartBoundaryChars,
Compression,
ConnectionTimeout,
};
std::string to_string(const Error error);
std::ostream &operator<<(std::ostream &os, const Error &obj);
class Result {
public:
Result(std::unique_ptr<Response> &&res, Error err,
Headers &&request_headers = Headers{})
: res_(std::move(res)), err_(err),
request_headers_(std::move(request_headers)) {}
// Response
operator bool() const { return res_ != nullptr; }
bool operator==(std::nullptr_t) const { return res_ == nullptr; }
bool operator!=(std::nullptr_t) const { return res_ != nullptr; }
const Response &value() const { return *res_; }
Response &value() { return *res_; }
const Response &operator*() const { return *res_; }
Response &operator*() { return *res_; }
const Response *operator->() const { return res_.get(); }
Response *operator->() { return res_.get(); }
// Error
Error error() const { return err_; }
// Request Headers
bool has_request_header(const std::string &key) const;
std::string get_request_header_value(const std::string &key,
size_t id = 0) const;
template <typename T>
T get_request_header_value(const std::string &key, size_t id = 0) const;
size_t get_request_header_value_count(const std::string &key) const;
private:
std::unique_ptr<Response> res_;
Error err_;
Headers request_headers_;
};
class ClientImpl {
public:
explicit ClientImpl(const std::string &host);
explicit ClientImpl(const std::string &host, int port);
explicit ClientImpl(const std::string &host, int port,
const std::string &client_cert_path,
const std::string &client_key_path);
virtual ~ClientImpl();
virtual bool is_valid() const;
Result Get(const std::string &path);
Result Get(const std::string &path, const Headers &headers);
Result Get(const std::string &path, Progress progress);
Result Get(const std::string &path, const Headers &headers,
Progress progress);
Result Get(const std::string &path, ContentReceiver content_receiver);
Result Get(const std::string &path, const Headers &headers,
ContentReceiver content_receiver);
Result Get(const std::string &path, ContentReceiver content_receiver,
Progress progress);
Result Get(const std::string &path, const Headers &headers,
ContentReceiver content_receiver, Progress progress);
Result Get(const std::string &path, ResponseHandler response_handler,
ContentReceiver content_receiver);
Result Get(const std::string &path, const Headers &headers,
ResponseHandler response_handler,
ContentReceiver content_receiver);
Result Get(const std::string &path, ResponseHandler response_handler,
ContentReceiver content_receiver, Progress progress);
Result Get(const std::string &path, const Headers &headers,
ResponseHandler response_handler, ContentReceiver content_receiver,
Progress progress);
Result Get(const std::string &path, const Params ¶ms,
const Headers &headers, Progress progress = nullptr);
Result Get(const std::string &path, const Params ¶ms,
const Headers &headers, ContentReceiver content_receiver,
Progress progress = nullptr);
Result Get(const std::string &path, const Params ¶ms,
const Headers &headers, ResponseHandler response_handler,
ContentReceiver content_receiver, Progress progress = nullptr);
Result Head(const std::string &path);
Result Head(const std::string &path, const Headers &headers);
Result Post(const std::string &path);
Result Post(const std::string &path, const char *body, size_t content_length,
const std::string &content_type);
Result Post(const std::string &path, const Headers &headers, const char *body,
size_t content_length, const std::string &content_type);
Result Post(const std::string &path, const std::string &body,
const std::string &content_type);
Result Post(const std::string &path, const Headers &headers,
const std::string &body, const std::string &content_type);
Result Post(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type);
Result Post(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type);
Result Post(const std::string &path, const Headers &headers,
size_t content_length, ContentProvider content_provider,
const std::string &content_type);
Result Post(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type);
Result Post(const std::string &path, const Params ¶ms);
Result Post(const std::string &path, const Headers &headers,
const Params ¶ms);
Result Post(const std::string &path, const MultipartFormDataItems &items);
Result Post(const std::string &path, const Headers &headers,
const MultipartFormDataItems &items);
Result Post(const std::string &path, const Headers &headers,
const MultipartFormDataItems &items, const std::string &boundary);
Result Put(const std::string &path);
Result Put(const std::string &path, const char *body, size_t content_length,
const std::string &content_type);
Result Put(const std::string &path, const Headers &headers, const char *body,
size_t content_length, const std::string &content_type);
Result Put(const std::string &path, const std::string &body,
const std::string &content_type);
Result Put(const std::string &path, const Headers &headers,
const std::string &body, const std::string &content_type);
Result Put(const std::string &path, size_t content_length,
ContentProvider content_provider, const std::string &content_type);
Result Put(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type);
Result Put(const std::string &path, const Headers &headers,
size_t content_length, ContentProvider content_provider,
const std::string &content_type);
Result Put(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type);
Result Put(const std::string &path, const Params ¶ms);
Result Put(const std::string &path, const Headers &headers,
const Params ¶ms);
Result Patch(const std::string &path);
Result Patch(const std::string &path, const char *body, size_t content_length,
const std::string &content_type);
Result Patch(const std::string &path, const Headers &headers,
const char *body, size_t content_length,
const std::string &content_type);
Result Patch(const std::string &path, const std::string &body,
const std::string &content_type);
Result Patch(const std::string &path, const Headers &headers,
const std::string &body, const std::string &content_type);
Result Patch(const std::string &path, size_t content_length,
ContentProvider content_provider,
const std::string &content_type);
Result Patch(const std::string &path,
ContentProviderWithoutLength content_provider,
const std::string &content_type);
Result Patch(const std::string &path, const Headers &headers,
size_t content_length, ContentProvider content_provider,
const std::string &content_type);
Result Patch(const std::string &path, const Headers &headers,
ContentProviderWithoutLength content_provider,
const std::string &content_type);
Result Delete(const std::string &path);
Result Delete(const std::string &path, const Headers &headers);
Result Delete(const std::string &path, const char *body,
size_t content_length, const std::string &content_type);
Result Delete(const std::string &path, const Headers &headers,
const char *body, size_t content_length,
const std::string &content_type);
Result Delete(const std::string &path, const std::string &body,
const std::string &content_type);
Result Delete(const std::string &path, const Headers &headers,
const std::string &body, const std::string &content_type);
Result Options(const std::string &path);
Result Options(const std::string &path, const Headers &headers);
bool send(Request &req, Response &res, Error &error);
Result send(const Request &req);
size_t is_socket_open() const;
void stop();
void set_hostname_addr_map(std::map<std::string, std::string> addr_map);
void set_default_headers(Headers headers);