fix transfer

This commit is contained in:
2024-11-05 00:27:24 +03:00
parent d2f369af9a
commit 3851d474d0
4 changed files with 297 additions and 321 deletions

View File

@@ -1,139 +1,141 @@
#include <string>
#include <arpa/inet.h>
#include <cstring>
#include <fcntl.h>
#include <filesystem>
#include <fstream>
#include <iostream>
#include <netinet/in.h>
#include <ostream>
#include <pthread.h>
#include <string>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <unistd.h>
#include <logger.hpp>
#ifdef __SWITCH__
#include <switch.h>
#include <client.hpp>
namespace fs = std::filesystem;
#else
namespace fs = std::__fs::filesystem;
#include <switch.h>
#endif
#define PORT 8080
#define BUFFER_SIZE 1024
#define MULTICAST_PORT 8081
#define MULTICAST_GROUP "239.0.0.1" // Multicast group IP
struct ThreadArgs
{
char **filenames;
int file_count;
namespace fs = std::filesystem;
using path = fs::path;
class Logger {
public:
inline static const std::string INFO = "[INFO]";
inline static const std::string DEBUG = "[DEBUG]";
inline static const std::string ERROR = "[ERROR]";
inline static const std::string WARN = "[WARN]";
};
struct ThreadArgs {
int sock;
fs::path directory;
};
bool receiveAck(int sock)
{
bool receiveAck(int sock) {
char ack[4] = {0};
int bytes_received = read(sock, ack, 3);
std::cout << "receiveAck bytes_received: " << bytes_received << std::endl;
return bytes_received > 0 && std::string(ack) == "ACK";
}
// Отправка строки с учетом её длины
void send_string(int sock, const std::string &str)
{
void send_string(int sock, const std::string &str) {
size_t length = str.size();
send(sock, &length, sizeof(length), 0);
send(sock, str.c_str(), length, 0);
}
void *send_files_thread(void *args)
{
void sendFile(int sock, const fs::path &base_path, const fs::path &filepath) {
std::ifstream infile(filepath, std::ios::binary | std::ios::ate);
if (!infile.is_open()) {
std::cerr << "File not found: " << filepath << std::endl;
return;
}
// std::string relative_path = fs::relative(filepath, base_path).string();
uint32_t filename_len = filepath.string().size();
std::cout << "send filepath length: " << filename_len << std::endl;
if (send(sock, &filename_len, sizeof(filename_len), 0) == -1) {
std::cerr << "Failed to send filename length" << std::endl;
}
std::cout << "send filepath: " << filepath.string() << std::endl;
// Send the filename
if (send(sock, filepath.c_str(), filename_len, 0) ==
-1) { // Send the filename length
std::cerr << "Failed to send filename" << std::endl;
}
// Get the size of the file
std::streamsize file_size = infile.tellg();
infile.seekg(0, std::ios::beg);
char buffer[BUFFER_SIZE];
std::cout << "send filesize: " << file_size << std::endl;
// Send the file size
if (send(sock, &file_size, sizeof(file_size), 0) == -1) {
std::cerr << "Failed to send file size" << std::endl;
}
while (file_size > 0) {
infile.read(buffer, BUFFER_SIZE);
ssize_t bytes_sent = send(sock, buffer, infile.gcount(), 0);
if (bytes_sent == -1) {
std::cerr << "Failed to send file data" << std::endl;
pthread_exit(nullptr);
}
file_size -= bytes_sent;
// Wait for acknowledgment after each chunk
if (!receiveAck(sock)) {
std::cerr << "Failed to receive acknowledgment" << std::endl;
pthread_exit(nullptr);
}
}
std::cout << "File sent successfully: " << filepath << std::endl;
infile.close();
}
void *send_files_thread(void *args) {
ThreadArgs *thread_args = static_cast<ThreadArgs *>(args);
char **filenames = thread_args->filenames;
int file_count = thread_args->file_count;
int sock = thread_args->sock;
fs::path cwd = thread_args->directory;
delete thread_args;
std::cout << "cwd is: " << cwd << std::endl;
char buffer[BUFFER_SIZE];
// Send the directory length
std::cout << Logger::INFO << "cwd.filename is: " << cwd.filename().c_str() << std::endl; // Get the parent directory
std::string dirname = cwd.parent_path().filename();
uint32_t directory_len = dirname.size();
send(sock, &directory_len, sizeof(directory_len), 0);
// Send the dirname
send(sock, dirname.c_str(), directory_len, 0);
for (int i = 0; i < file_count; ++i)
{
std::string path = filenames[i];
std::size_t found = path.find_last_of("/\\");
std::string filename = path.substr(found+1);
std::ifstream infile(path, std::ios::binary | std::ios::ate);
if (!infile.is_open())
{
std::cout << Logger::ERROR << "File not found: " << filename.c_str() << std::endl;
return nullptr;
for (const auto &entry : fs::recursive_directory_iterator(cwd)) {
path path = entry.path();
std::cout << "path is " << path << std::endl;
if (fs::is_regular_file(path)) {
std::cout << "regular file | path is: " << path << std::endl;
sendFile(sock, path.parent_path(), path);
}
// Get the size of the file
std::streamsize file_size = infile.tellg();
infile.seekg(0, std::ios::beg);
// Send the filename length
uint32_t filename_len = filename.size();
std::cout << Logger::INFO << "Send filename length: " << filename_len << std::endl;
send(sock, &filename_len, sizeof(filename_len), 0);
// Send the filename
std::cout << Logger::INFO << "Send file name: " << filename.c_str() << std::endl;
send(sock, filename.c_str(), filename_len, 0);
// Send the file size
std::cout << Logger::INFO << "Send file size: " << file_size << std::endl;
send(sock, &file_size, sizeof(file_size), 0);
char buffer[BUFFER_SIZE];
// Send the file data
while (file_size > 0)
{
infile.read(buffer, BUFFER_SIZE);
send(sock, buffer, infile.gcount(), 0);
file_size -= infile.gcount();
std::cout << Logger::INFO << "wait for ACK" << std::endl;
// Wait for acknowledgment after each chunk
if (!receiveAck(sock))
{
std::cout << Logger::ERROR << "Failed to receive acknowledgment" << std::endl;;
}
}
send(sock, 0, 0, 0);
std::cout << Logger::INFO << "File sent successfully: " << filename.c_str() << std::endl;
infile.close();
}
close(sock);
pthread_exit(nullptr);
}
int find_server(char *server_ip)
{
std::cout << Logger::INFO << "Init find_server" << std::endl;;
int find_server(char *server_ip) {
std::cout << Logger::INFO << "Init find_server" << std::endl;
int sockfd;
struct sockaddr_in multicast_addr;
std::cout << Logger::INFO << "Create socket" << std::endl;
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
{
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
std::cout << Logger::ERROR << "Socket creation error" << std::endl;
return -1;
}
@@ -147,14 +149,12 @@ int find_server(char *server_ip)
std::cout << Logger::INFO << "Send DISCOVER_SERVER" << std::endl;
const char *multicast_message = "DISCOVER_SERVER";
if (sendto(sockfd, multicast_message, strlen(multicast_message), 0, (struct sockaddr *)&multicast_addr, sizeof(multicast_addr)) < 0)
{
if (sendto(sockfd, multicast_message, strlen(multicast_message), 0,
(struct sockaddr *)&multicast_addr, sizeof(multicast_addr)) < 0) {
std::cout << Logger::ERROR << "sendto failed" << std::endl;
close(sockfd);
return -1;
}
else
{
} else {
std::cout << Logger::INFO << "send multicast message success" << std::endl;
}
@@ -162,24 +162,23 @@ int find_server(char *server_ip)
socklen_t len = sizeof(cliaddr);
char buffer[BUFFER_SIZE];
ssize_t n = recvfrom(sockfd, buffer, BUFFER_SIZE, 0, (struct sockaddr *)&cliaddr, &len);
ssize_t n = recvfrom(sockfd, buffer, BUFFER_SIZE, 0,
(struct sockaddr *)&cliaddr, &len);
std::cout << Logger::INFO << "recvfrom n: %i" << n << std::endl;
if (n < 0)
{
if (n < 0) {
std::cout << Logger::ERROR << "recvfrom failed" << std::endl;
close(sockfd);
return -1;
}
std::cout << Logger::INFO << "buffer: " << buffer << std::endl;
buffer[n] = '\0';
if (strcmp(buffer, "SERVER_HERE") == 0)
{
std::cout << Logger::INFO << "Server found" << std::endl;
if (strcmp(buffer, "SERVER_HERE") == 0) {
std::cout << Logger::INFO << "Server found" << std::endl;
inet_ntop(AF_INET, &cliaddr.sin_addr, server_ip, INET_ADDRSTRLEN);
}
else
{
std::cout << Logger::ERROR << "Unable to find server, close socket" << std::endl;;
} else {
std::cout << Logger::ERROR << "Unable to find server, close socket"
<< std::endl;
;
close(sockfd);
return -1;
}
@@ -188,11 +187,10 @@ int find_server(char *server_ip)
return 0;
}
int transfer_files(fs::path directory, char **filenames, int file_count) {
int transfer_files(fs::path directory) {
std::cout << Logger::INFO << "Init transfer_files" << std::endl;
char server_ip[INET_ADDRSTRLEN];
if (find_server(server_ip) != 0)
{
if (find_server(server_ip) != 0) {
std::cout << Logger::ERROR << "Failed to find server" << std::endl;
return -1;
}
@@ -200,8 +198,7 @@ int transfer_files(fs::path directory, char **filenames, int file_count) {
int sock = 0;
struct sockaddr_in serv_addr;
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
{
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
std::cout << Logger::ERROR << "Socket creation error" << std::endl;
return -1;
}
@@ -209,30 +206,26 @@ int transfer_files(fs::path directory, char **filenames, int file_count) {
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(PORT);
if (inet_pton(AF_INET, server_ip, &serv_addr.sin_addr) <= 0)
{
std::cout << Logger::ERROR << "Invalid address / Address not supported" << std::endl;
if (inet_pton(AF_INET, server_ip, &serv_addr.sin_addr) <= 0) {
std::cout << Logger::ERROR << "Invalid address / Address not supported"
<< std::endl;
return -1;
}
if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0)
{
if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
std::cout << Logger::ERROR << "Connection failed" << std::endl;
return -1;
}
pthread_t file_thread;
ThreadArgs *thread_args = new ThreadArgs{filenames, file_count, sock, directory};
ThreadArgs *thread_args = new ThreadArgs{sock, directory};
if (pthread_create(&file_thread, nullptr, send_files_thread,
(void *)thread_args) < 0)
{
(void *)thread_args) < 0) {
std::cout << Logger::ERROR << "Thread creation failed" << std::endl;
close(sock);
delete thread_args;
return -1;
}
else
{
} else {
std::cout << Logger::INFO << "Wait for file_thread" << std::endl;
pthread_join(file_thread, nullptr);
}
@@ -240,18 +233,15 @@ int transfer_files(fs::path directory, char **filenames, int file_count) {
}
#ifndef __SWITCH__ // for desktop
int main(int argc, char *argv[])
{
if (argc < 2)
{
std::cerr << "Usage: " << argv[0] << " <filename1> <filename2> ..." << std::endl;
int main(int argc, char *argv[]) {
if (argc < 1) {
std::cerr << "Usage: " << argv[0] << " <path> " << std::endl;
return 1;
}
char **filenames = const_cast<char **>(&argv[1]);
int file_count = argc - 1;
transfer_files(filenames, file_count);
fs::path directory = fs::path(argv[1]);
std::cout << "directory is " << directory << std::endl;
transfer_files(directory);
return 0;
}