ZLMediaKit/api/source/mk_tcp.cpp
2023-12-09 16:23:51 +08:00

392 lines
14 KiB
C++

/*
* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
*
* Use of this source code is governed by MIT-like license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#include "string.h"
#include "mk_tcp.h"
#include "mk_tcp_private.h"
#include "Http/WebSocketClient.h"
#include "Http/WebSocketSession.h"
#include "Network/Buffer.h"
using namespace toolkit;
using namespace mediakit;
class BufferForC : public Buffer {
public:
BufferForC(const char *data, size_t len, on_mk_buffer_free cb, std::shared_ptr<void> user_data) {
if (len <= 0) {
len = strlen(data);
}
if (!cb) {
auto ptr = malloc(len);
memcpy(ptr, data, len);
data = (char *) ptr;
cb = [](void *user_data, void *data) {
free(data);
};
}
_data = (char *) data;
_size = len;
_cb = cb;
_user_data = std::move(user_data);
}
~BufferForC() override {
_cb(_user_data.get(), _data);
}
char *data() const override {
return _data;
}
size_t size() const override {
return _size;
}
private:
char *_data;
size_t _size;
on_mk_buffer_free _cb;
std::shared_ptr<void> _user_data;
};
API_EXPORT mk_buffer API_CALL mk_buffer_from_char(const char *data, size_t len, on_mk_buffer_free cb, void *user_data) {
return mk_buffer_from_char2(data, len, cb, user_data, nullptr);
}
API_EXPORT mk_buffer API_CALL mk_buffer_from_char2(const char *data, size_t len, on_mk_buffer_free cb, void *user_data, on_user_data_free user_data_free) {
assert(data);
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
return (mk_buffer)new Buffer::Ptr(std::make_shared<BufferForC>(data, len, cb, std::move(ptr)));
}
API_EXPORT mk_buffer API_CALL mk_buffer_ref(mk_buffer buffer) {
assert(buffer);
return (mk_buffer)new Buffer::Ptr(*((Buffer::Ptr *) buffer));
}
API_EXPORT void API_CALL mk_buffer_unref(mk_buffer buffer) {
assert(buffer);
delete (Buffer::Ptr *) buffer;
}
API_EXPORT const char *API_CALL mk_buffer_get_data(mk_buffer buffer) {
assert(buffer);
return (*((Buffer::Ptr *) buffer))->data();
}
API_EXPORT size_t API_CALL mk_buffer_get_size(mk_buffer buffer) {
assert(buffer);
return (*((Buffer::Ptr *) buffer))->size();
}
API_EXPORT const char* API_CALL mk_sock_info_peer_ip(const mk_sock_info ctx, char *buf){
assert(ctx);
SockInfo *sock = (SockInfo *)ctx;
strcpy(buf,sock->get_peer_ip().c_str());
return buf;
}
API_EXPORT const char* API_CALL mk_sock_info_local_ip(const mk_sock_info ctx, char *buf){
assert(ctx);
SockInfo *sock = (SockInfo *)ctx;
strcpy(buf,sock->get_local_ip().c_str());
return buf;
}
API_EXPORT uint16_t API_CALL mk_sock_info_peer_port(const mk_sock_info ctx){
assert(ctx);
SockInfo *sock = (SockInfo *)ctx;
return sock->get_peer_port();
}
API_EXPORT uint16_t API_CALL mk_sock_info_local_port(const mk_sock_info ctx){
assert(ctx);
SockInfo *sock = (SockInfo *)ctx;
return sock->get_local_port();
}
////////////////////////////////////////////////////////////////////////////////////////
API_EXPORT mk_sock_info API_CALL mk_tcp_session_get_sock_info(const mk_tcp_session ctx) {
assert(ctx);
SessionForC *session = (SessionForC *)ctx;
return reinterpret_cast<mk_sock_info>(static_cast<SockInfo *>(session));
}
API_EXPORT void API_CALL mk_tcp_session_shutdown(const mk_tcp_session ctx,int err,const char *err_msg){
assert(ctx);
SessionForC *session = (SessionForC *)ctx;
session->safeShutdown(SockException((ErrCode)err,err_msg));
}
API_EXPORT void API_CALL mk_tcp_session_send_buffer(const mk_tcp_session ctx, mk_buffer buffer) {
assert(ctx && buffer);
SessionForC *session = (SessionForC *) ctx;
session->send(*((Buffer::Ptr *) buffer));
}
API_EXPORT void API_CALL mk_tcp_session_send(const mk_tcp_session ctx, const char *data, size_t len) {
auto buffer = mk_buffer_from_char(data, len, nullptr, nullptr);
mk_tcp_session_send_buffer(ctx, buffer);
mk_buffer_unref(buffer);
}
API_EXPORT void API_CALL mk_tcp_session_send_buffer_safe(const mk_tcp_session ctx, mk_buffer buffer) {
assert(ctx && buffer);
try {
std::weak_ptr<SocketHelper> weak_session = ((SessionForC *) ctx)->shared_from_this();
auto ref = mk_buffer_ref(buffer);
((SessionForC *) ctx)->async([weak_session, ref]() {
auto session_session = weak_session.lock();
if (session_session) {
session_session->send(*((Buffer::Ptr *) ref));
}
mk_buffer_unref(ref);
});
} catch (std::exception &ex) {
WarnL << "can not got the strong pointer of this mk_tcp_session:" << ex.what();
}
}
API_EXPORT mk_tcp_session_ref API_CALL mk_tcp_session_ref_from(const mk_tcp_session ctx) {
auto ref = ((SessionForC *) ctx)->shared_from_this();
return (mk_tcp_session_ref)new std::shared_ptr<SessionForC>(std::static_pointer_cast<SessionForC>(ref));
}
API_EXPORT void mk_tcp_session_ref_release(const mk_tcp_session_ref ref) {
delete (std::shared_ptr<SessionForC> *) ref;
}
API_EXPORT mk_tcp_session mk_tcp_session_from_ref(const mk_tcp_session_ref ref) {
return (mk_tcp_session)((std::shared_ptr<SessionForC> *) ref)->get();
}
API_EXPORT void API_CALL mk_tcp_session_send_safe(const mk_tcp_session ctx, const char *data, size_t len) {
auto buffer = mk_buffer_from_char(data, len, nullptr, nullptr);
mk_tcp_session_send_buffer_safe(ctx, buffer);
mk_buffer_unref(buffer);
}
////////////////////////////////////////SessionForC////////////////////////////////////////////////
static TcpServer::Ptr s_tcp_server[4];
static mk_tcp_session_events s_events_server = {0};
SessionForC::SessionForC(const Socket::Ptr &pSock) : Session(pSock) {
_local_port = get_local_port();
if (s_events_server.on_mk_tcp_session_create) {
s_events_server.on_mk_tcp_session_create(_local_port, (mk_tcp_session) this);
}
}
void SessionForC::onRecv(const Buffer::Ptr &buffer) {
if (s_events_server.on_mk_tcp_session_data) {
s_events_server.on_mk_tcp_session_data(_local_port, (mk_tcp_session)this, (mk_buffer)&buffer);
}
}
void SessionForC::onError(const SockException &err) {
if (s_events_server.on_mk_tcp_session_disconnect) {
s_events_server.on_mk_tcp_session_disconnect(_local_port, (mk_tcp_session)this, err.getErrCode(), err.what());
}
}
void SessionForC::onManager() {
if (s_events_server.on_mk_tcp_session_manager) {
s_events_server.on_mk_tcp_session_manager(_local_port, (mk_tcp_session)this);
}
}
void stopAllTcpServer(){
CLEAR_ARR(s_tcp_server);
}
API_EXPORT void API_CALL mk_tcp_session_set_user_data(mk_tcp_session session, void *user_data) {
mk_tcp_session_set_user_data2(session, user_data, nullptr);
}
API_EXPORT void API_CALL mk_tcp_session_set_user_data2(mk_tcp_session session, void *user_data, on_user_data_free user_data_free) {
assert(session);
SessionForC *obj = (SessionForC *)session;
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
obj->_user_data = std::move(ptr);
}
API_EXPORT void* API_CALL mk_tcp_session_get_user_data(mk_tcp_session session){
assert(session);
SessionForC *obj = (SessionForC *)session;
return obj->_user_data.get();
}
API_EXPORT void API_CALL mk_tcp_server_events_listen(const mk_tcp_session_events *events){
if (events) {
memcpy(&s_events_server, events, sizeof(s_events_server));
} else {
memset(&s_events_server, 0, sizeof(s_events_server));
}
}
API_EXPORT uint16_t API_CALL mk_tcp_server_start(uint16_t port, mk_tcp_type type){
type = MAX(mk_type_tcp, MIN(type, mk_type_wss));
try {
s_tcp_server[type] = std::make_shared<TcpServer>();
switch (type) {
case mk_type_tcp:
s_tcp_server[type]->start<SessionForC>(port);
break;
case mk_type_ssl:
s_tcp_server[type]->start<SessionWithSSL<SessionForC> >(port);
break;
case mk_type_ws:
//此处你也可以修改WebSocketHeader::BINARY
s_tcp_server[type]->start<WebSocketSession<SessionForC, HttpSession, WebSocketHeader::TEXT> >(port);
break;
case mk_type_wss:
//此处你也可以修改WebSocketHeader::BINARY
s_tcp_server[type]->start<WebSocketSession<SessionForC, HttpsSession, WebSocketHeader::TEXT> >(port);
break;
default:
return 0;
}
return s_tcp_server[type]->getPort();
} catch (std::exception &ex) {
s_tcp_server[type].reset();
WarnL << ex.what();
return 0;
}
}
///////////////////////////////////////////////////TcpClientForC/////////////////////////////////////////////////////////
TcpClientForC::TcpClientForC(mk_tcp_client_events *events){
_events = *events;
}
void TcpClientForC::onRecv(const Buffer::Ptr &pBuf) {
if (_events.on_mk_tcp_client_data) {
_events.on_mk_tcp_client_data(_client, (mk_buffer)&pBuf);
}
}
void TcpClientForC::onError(const SockException &ex) {
if(_events.on_mk_tcp_client_disconnect){
_events.on_mk_tcp_client_disconnect(_client,ex.getErrCode(),ex.what());
}
}
void TcpClientForC::onManager() {
if(_events.on_mk_tcp_client_manager){
_events.on_mk_tcp_client_manager(_client);
}
}
void TcpClientForC::onConnect(const SockException &ex) {
if(_events.on_mk_tcp_client_connect){
_events.on_mk_tcp_client_connect(_client,ex.getErrCode(),ex.what());
}
}
TcpClientForC::~TcpClientForC() {
TraceL << "mk_tcp_client_release:" << _client;
}
void TcpClientForC::setClient(mk_tcp_client client) {
_client = client;
TraceL << "mk_tcp_client_create:" << _client;
}
TcpClientForC::Ptr *mk_tcp_client_create_l(mk_tcp_client_events *events, mk_tcp_type type){
assert(events);
type = MAX(mk_type_tcp, MIN(type, mk_type_wss));
switch (type) {
case mk_type_tcp:
return new TcpClientForC::Ptr(new TcpClientForC(events));
case mk_type_ssl:
return (TcpClientForC::Ptr *)new std::shared_ptr<SessionWithSSL<TcpClientForC> >(new SessionWithSSL<TcpClientForC>(events));
case mk_type_ws:
//此处你也可以修改WebSocketHeader::BINARY
return (TcpClientForC::Ptr *)new std::shared_ptr<WebSocketClient<TcpClientForC, WebSocketHeader::TEXT, false> >(new WebSocketClient<TcpClientForC, WebSocketHeader::TEXT, false>(events));
case mk_type_wss:
//此处你也可以修改WebSocketHeader::BINARY
return (TcpClientForC::Ptr *)new std::shared_ptr<WebSocketClient<TcpClientForC, WebSocketHeader::TEXT, true> >(new WebSocketClient<TcpClientForC, WebSocketHeader::TEXT, true>(events));
default:
return nullptr;
}
}
API_EXPORT mk_sock_info API_CALL mk_tcp_client_get_sock_info(const mk_tcp_client ctx){
assert(ctx);
TcpClientForC::Ptr *client = (TcpClientForC::Ptr *)ctx;
return reinterpret_cast<mk_sock_info>(static_cast<SockInfo *>(client->get()));
}
API_EXPORT mk_tcp_client API_CALL mk_tcp_client_create(mk_tcp_client_events *events, mk_tcp_type type){
auto ret = mk_tcp_client_create_l(events,type);
(*ret)->setClient((mk_tcp_client)ret);
return (mk_tcp_client)ret;
}
API_EXPORT void API_CALL mk_tcp_client_release(mk_tcp_client ctx){
assert(ctx);
TcpClientForC::Ptr *client = (TcpClientForC::Ptr *)ctx;
delete client;
}
API_EXPORT void API_CALL mk_tcp_client_connect(mk_tcp_client ctx, const char *host, uint16_t port, float time_out_sec){
assert(ctx);
TcpClientForC::Ptr *client = (TcpClientForC::Ptr *)ctx;
(*client)->startConnect(host,port);
}
API_EXPORT void API_CALL mk_tcp_client_send_buffer(mk_tcp_client ctx, mk_buffer buffer) {
assert(ctx && buffer);
TcpClientForC::Ptr *client = (TcpClientForC::Ptr *) ctx;
(*client)->send(*((Buffer::Ptr *) buffer));
}
API_EXPORT void API_CALL mk_tcp_client_send(mk_tcp_client ctx, const char *data, int len) {
auto buffer = mk_buffer_from_char(data, len, nullptr, nullptr);
mk_tcp_client_send_buffer(ctx, buffer);
mk_buffer_unref(buffer);
}
API_EXPORT void API_CALL mk_tcp_client_send_buffer_safe(mk_tcp_client ctx, mk_buffer buffer) {
assert(ctx && buffer);
TcpClientForC::Ptr *client = (TcpClientForC::Ptr *) ctx;
std::weak_ptr<TcpClient> weakClient = *client;
auto ref = mk_buffer_ref(buffer);
(*client)->async([weakClient, ref]() {
auto strongClient = weakClient.lock();
if (strongClient) {
strongClient->send(*((Buffer::Ptr *) ref));
}
mk_buffer_unref(ref);
});
}
API_EXPORT void API_CALL mk_tcp_client_send_safe(mk_tcp_client ctx, const char *data, int len){
auto buffer = mk_buffer_from_char(data, len, nullptr, nullptr);
mk_tcp_client_send_buffer_safe(ctx, buffer);
mk_buffer_unref(buffer);
}
API_EXPORT void API_CALL mk_tcp_client_set_user_data(mk_tcp_client ctx,void *user_data){
mk_tcp_client_set_user_data2(ctx, user_data, nullptr);
}
API_EXPORT void API_CALL mk_tcp_client_set_user_data2(mk_tcp_client ctx, void *user_data, on_user_data_free user_data_free) {
assert(ctx);
TcpClientForC::Ptr *client = (TcpClientForC::Ptr *)ctx;
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
(*client)->_user_data = std::move(ptr);
}
API_EXPORT void* API_CALL mk_tcp_client_get_user_data(mk_tcp_client ctx){
assert(ctx);
TcpClientForC::Ptr *client = (TcpClientForC::Ptr *)ctx;
return (*client)->_user_data.get();
}