Unify StreamPeerTCP/TCP_Server with NetSocket API

This commit is contained in:
Fabio Alessandrelli
2018-09-02 06:36:45 +02:00
parent 1b99806b47
commit 30327872e0
21 changed files with 411 additions and 1560 deletions

View File

@ -30,7 +30,280 @@
#include "stream_peer_tcp.h"
StreamPeerTCP *(*StreamPeerTCP::_create)() = NULL;
Error StreamPeerTCP::_poll_connection() {
ERR_FAIL_COND_V(status != STATUS_CONNECTING || !_sock.is_valid() || !_sock->is_open(), FAILED);
Error err = _sock->connect_to_host(peer_host, peer_port);
if (err == OK) {
status = STATUS_CONNECTED;
return OK;
} else if (err == ERR_BUSY) {
// Still trying to connect
return OK;
}
status = STATUS_ERROR;
return ERR_CONNECTION_ERROR;
}
void StreamPeerTCP::accept_socket(Ref<NetSocket> p_sock, IP_Address p_host, uint16_t p_port) {
_sock = p_sock;
_sock->set_blocking_enabled(false);
status = STATUS_CONNECTING;
peer_host = p_host;
peer_port = p_port;
}
Error StreamPeerTCP::connect_to_host(const IP_Address &p_host, uint16_t p_port) {
ERR_FAIL_COND_V(!_sock.is_valid(), ERR_UNAVAILABLE);
ERR_FAIL_COND_V(_sock->is_open(), ERR_ALREADY_IN_USE);
ERR_FAIL_COND_V(!p_host.is_valid(), ERR_INVALID_PARAMETER);
Error err;
IP::Type ip_type = p_host.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
err = _sock->open(NetSocket::TYPE_TCP, ip_type);
ERR_FAIL_COND_V(err != OK, FAILED);
_sock->set_blocking_enabled(false);
err = _sock->connect_to_host(p_host, p_port);
if (err != OK) {
if (err == ERR_BUSY) {
status = STATUS_CONNECTING;
} else {
ERR_PRINT("Connection to remote host failed!");
disconnect_from_host();
return FAILED;
}
}
status = STATUS_CONNECTED;
peer_host = p_host;
peer_port = p_port;
return OK;
}
Error StreamPeerTCP::write(const uint8_t *p_data, int p_bytes, int &r_sent, bool p_block) {
ERR_FAIL_COND_V(!_sock.is_valid(), ERR_UNAVAILABLE);
if (status == STATUS_NONE || status == STATUS_ERROR) {
return FAILED;
}
if (status != STATUS_CONNECTED) {
if (_poll_connection() != OK) {
return FAILED;
}
if (status != STATUS_CONNECTED) {
r_sent = 0;
return OK;
}
}
if (!_sock->is_open())
return FAILED;
Error err;
int data_to_send = p_bytes;
const uint8_t *offset = p_data;
int total_sent = 0;
while (data_to_send) {
int sent_amount = 0;
err = _sock->send(offset, data_to_send, sent_amount);
if (err != OK) {
if (err != ERR_BUSY) {
disconnect_from_host();
return FAILED;
}
if (!p_block) {
r_sent = total_sent;
return OK;
}
// Block and wait for the socket to accept more data
err = _sock->poll(NetSocket::POLL_TYPE_OUT, -1);
if (err != OK) {
disconnect_from_host();
return FAILED;
}
} else {
data_to_send -= sent_amount;
offset += sent_amount;
total_sent += sent_amount;
}
}
r_sent = total_sent;
return OK;
}
Error StreamPeerTCP::read(uint8_t *p_buffer, int p_bytes, int &r_received, bool p_block) {
if (!is_connected_to_host()) {
return FAILED;
};
if (status == STATUS_CONNECTING) {
if (_poll_connection() != OK) {
return FAILED;
};
if (status != STATUS_CONNECTED) {
r_received = 0;
return OK;
};
};
Error err;
int to_read = p_bytes;
int total_read = 0;
r_received = 0;
while (to_read) {
int read = 0;
err = _sock->recv(p_buffer + total_read, to_read, read);
if (err != OK) {
if (err != ERR_BUSY) {
disconnect_from_host();
return FAILED;
}
if (!p_block) {
r_received = total_read;
return OK;
}
err = _sock->poll(NetSocket::POLL_TYPE_IN, -1);
if (err != OK) {
disconnect_from_host();
return FAILED;
}
} else if (read == 0) {
_sock->close();
status = STATUS_NONE;
peer_port = 0;
peer_host = IP_Address();
r_received = total_read;
return ERR_FILE_EOF;
} else {
to_read -= read;
total_read += read;
}
}
r_received = total_read;
return OK;
}
void StreamPeerTCP::set_no_delay(bool p_enabled) {
ERR_FAIL_COND(!is_connected_to_host());
_sock->set_tcp_no_delay_enabled(p_enabled);
}
bool StreamPeerTCP::is_connected_to_host() const {
if (status == STATUS_NONE || status == STATUS_ERROR) {
return false;
}
if (status != STATUS_CONNECTED) {
return true;
}
return _sock.is_valid() && _sock->is_open();
}
StreamPeerTCP::Status StreamPeerTCP::get_status() {
if (status == STATUS_CONNECTING) {
_poll_connection();
}
return status;
}
void StreamPeerTCP::disconnect_from_host() {
if (_sock.is_valid() && _sock->is_open())
_sock->close();
status = STATUS_NONE;
peer_host = IP_Address();
peer_port = 0;
}
Error StreamPeerTCP::put_data(const uint8_t *p_data, int p_bytes) {
int total;
return write(p_data, p_bytes, total, true);
}
Error StreamPeerTCP::put_partial_data(const uint8_t *p_data, int p_bytes, int &r_sent) {
return write(p_data, p_bytes, r_sent, false);
}
Error StreamPeerTCP::get_data(uint8_t *p_buffer, int p_bytes) {
int total;
return read(p_buffer, p_bytes, total, true);
}
Error StreamPeerTCP::get_partial_data(uint8_t *p_buffer, int p_bytes, int &r_received) {
return read(p_buffer, p_bytes, r_received, false);
}
int StreamPeerTCP::get_available_bytes() const {
ERR_FAIL_COND_V(!_sock.is_valid(), -1);
return _sock->get_available_bytes();
}
IP_Address StreamPeerTCP::get_connected_host() const {
return peer_host;
}
uint16_t StreamPeerTCP::get_connected_port() const {
return peer_port;
}
Error StreamPeerTCP::_connect(const String &p_address, int p_port) {
@ -62,23 +335,15 @@ void StreamPeerTCP::_bind_methods() {
BIND_ENUM_CONSTANT(STATUS_ERROR);
}
Ref<StreamPeerTCP> StreamPeerTCP::create_ref() {
if (!_create)
return Ref<StreamPeerTCP>();
return Ref<StreamPeerTCP>(_create());
}
StreamPeerTCP *StreamPeerTCP::create() {
if (!_create)
return NULL;
return _create();
}
StreamPeerTCP::StreamPeerTCP() {
_sock = Ref<NetSocket>(NetSocket::create());
status = STATUS_NONE;
peer_host = IP_Address();
peer_port = 0;
}
StreamPeerTCP::~StreamPeerTCP(){
StreamPeerTCP::~StreamPeerTCP() {
};
disconnect_from_host();
}