课程设计：FTP 的设计与实现 /****************client.c****************/ #include #include #include #pragma comment(lib,"ws2_32.lib") #define DEFAULT_PORT 2302 #define DEFAULT_BUFFER 2048 #define DEFAULT_MESSAGE "This is a test of the emergency \ broadcasting system" char szServerip[128], // Server to connect to szMessage[1024]; // Message to send to sever int iPort = DEFAULT_PORT; // Port on server to connect to //DWORD dwCount = DEFAULT_COUNT; // Number of times to send message BOOL bSendOnly = FALSE; // Send data only; don't receive int dirfun(); int getfun(); int putfun(); int pwdfun(); int cdfun(); int mdfun(); int delfun(); int usafun(); void usage() { printf("usage: client [-p:x] [-s:IP] [-n:x] [-o]\n\n"); printf(" -p:x Remote port to send to\n"); printf(" -s:IP Server's IP address or hostname\n"); printf(" -n:x Number of times to send message\n"); printf(" -o Send messages only; don't receive\n"); ExitProcess(1); } void ValidateArgs(int argc, char **argv) { int i; for(i = 1; i < argc; i++) { if ((argv[i][0] == '-') || (argv[i][0] == '/')) { switch (tolower(argv[i][1])) { case 'p': // Remote port if (strlen(argv[i]) > 3) iPort = atoi(&argv[i][3]); break; case 's': // Server if (strlen(argv[i]) > 3) strcpy(szServerip, &argv[i][3]); break; case 'n': // Number of times to send message if (strlen(argv[i]) > 3) //dwCount = atol(&argv[i][3]); break; case 'o': // Only send message; don't receive bSendOnly = TRUE; break; default: usage(); break; } } } } int main(int argc, char **argv) { WSADATA wsd; SOCKET sClient; char szBuffer[DEFAULT_BUFFER]; int ret; //unsigned int i; //int j; struct sockaddr_in server; struct hostent *host = NULL; char choice[5],choice2[40]; // Parse the command li...
