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#include "../include.h"
#include "../util/io.h"
#include "client.h"
bool tcp::client::init_ssl(SSL_CTX* server_ctx)
{
m_ssl = SSL_new(server_ctx);
if(!m_ssl) {
io::logger->error("failed to create ssl on client {}.", m_ip);
return false;
}
int ret = SSL_set_fd(m_ssl, m_socket);
if(ret <= 0) {
io::logger->error("failed to set descriptor on client {}.", m_ip);
return false;
}
ret = SSL_accept(m_ssl);
if(ret <= 0) {
int err = SSL_get_error(m_ssl, ret);
io::logger->error("client {} failed to accept ssl, return code {}", m_ip, err);
return false;
}
return true;
}
void tcp::client::gen_session()
{
std::random_device r;
std::default_random_engine e1(r());
std::uniform_int_distribution<int> gen(33, 126);
for(int i = 0; i < session_id_len; i++) {
auto k = static_cast<char>(gen(e1));
m_session_id.insert(m_session_id.end(), k);
}
}
int tcp::client::stream(std::vector<char>& data)
{
auto size = data.size();
auto networked_size = htonl(size);
write(&networked_size, sizeof(networked_size));
// with 4kb chunk size, speed peaks at 90mb/s
constexpr size_t chunk_size = 4096;
size_t sent = 0;
while(size > 0) {
auto to_send = std::min(size, chunk_size);
int ret = write(&data[sent], to_send);
if(ret <= 0) {
break;
}
sent += ret;
size -= ret;
}
return sent;
}
int tcp::client::read_stream(std::vector<char>& out)
{
size_t size;
read(&size, sizeof(size));
size = ntohl(size);
out.resize(size);
constexpr size_t chunk_size = 4096;
size_t total = 0;
while(size > 0) {
auto to_read = std::min(size, chunk_size);
int ret = read(&out[total], to_read);
if(ret <= 0) {
break;
}
size -= ret;
total += ret;
}
return total;
}
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