1 #include<Windows.h> 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include <iostream> 5 #include <sys/stat.h> 6  7 using namespace std; 8  9 #define PORT    580010 #define FILESIZE    4096*10011 12 #pragma comment(lib,"Ws2_32.lib")13 14 int main()15 {16     DWORD wRequiredVersion;17     WSADATA wsaData;18     SOCKET lsd, clientsd;19 20     FILE *fp = NULL;21     CHAR imagebuffer[FILESIZE]= {0};22 23     int iResult;24 25     wRequiredVersion = MAKEWORD(2,2);26     iResult = WSAStartup(wRequiredVersion,&wsaData);27     if (iResult != 0)    {28         cout << "Load socket library failed"<<endl;29         return -1;30     }31 32     lsd = socket(AF_INET,SOCK_STREAM,0);33     if(lsd == INVALID_SOCKET)    {34         cout << "socket failed" <<endl;35         return -1;36     }37     38     sockaddr_in seraddr = {0};39     seraddr.sin_family = AF_INET;40     seraddr.sin_port  = htons(PORT);41     seraddr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");42     iResult = bind(lsd,(sockaddr*)&seraddr,sizeof(seraddr));43 44     if (iResult == SOCKET_ERROR)    {45         cout << "bind error"<<endl;46         return -1;47     }48     49 //     iResult = listen(lsd,5);50 // 51 //     struct _stat filestruct = {0};52 // 53 //     _stat("jj.jpg",&filestruct);54 // 55 //     int size = filestruct.st_size;56 57     clientsd  = accept(lsd,NULL,NULL);58 59     fopen_s(&fp,"jj.jpg","rb");60     if (fp == NULL)    {61         cout << "open file error"<<endl;62         return -1;63     }64 65 66     fread(imagebuffer,1,FILESIZE,fp);67 68     iResult = send(clientsd,imagebuffer,FILESIZE,MSG_OOB);69 70 71     cout << "send image complete !  " << iResult<<endl;72 73     char c;74     cin >>c;75 76     closesocket(lsd);77     closesocket(clientsd);78 79     fclose(fp);80 81     return 0;82 }

 1 #include<Windows.h> 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include <iostream> 5  6 using namespace std; 7  8 #define PORT    5800 9 #define FILESIZE    4096*10010 11 #pragma comment(lib,"Ws2_32.lib")12 13 int main()14 {15     DWORD wRequiredVersion;16     WSADATA wsaData;17     SOCKET lsd, clientsd;18 19     FILE *fp = NULL;20     CHAR imagebuffer[FILESIZE]= {0};21 22     int iResult;23 24     wRequiredVersion = MAKEWORD(2,2);25     iResult = WSAStartup(wRequiredVersion,&wsaData);26     if (iResult != 0)    {27         cout << "Load socket library failed"<<endl;28         return -1;29     }30 31     lsd = socket(AF_INET,SOCK_STREAM,0);32     if(lsd == INVALID_SOCKET)    {33         cout << "socket failed" <<endl;34         return -1;35     }36 37     sockaddr_in seraddr = {0};38     seraddr.sin_family = AF_INET;39     seraddr.sin_port  = htons(PORT);40     seraddr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");41     42     iResult = connect(lsd,(sockaddr *)&seraddr,sizeof(seraddr));43     if (iResult == SOCKET_ERROR) {44         cout << "connect error "<<endl;45         return -1;46     }47 48     fopen_s(&fp,"jj.jpg","wb+");49     if(fp == NULL)    {50         cout << "crate file error"<<endl;51         return -1;52     }53 54     iResult = recv(lsd,imagebuffer,FILESIZE,0);55 56     iResult = fwrite(imagebuffer,1,FILESIZE,fp);57 58     iResult  = GetLastError();59     fclose(fp);60 61     cout << "receive file complete !"<<endl;62 63 64     return 0;65 }