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/*
 *  Copyright (c) 2005 Ian McDonald <imcdnzl@gmail.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#include "common.hpp"

void do_transmit(ifstream *fp, int sockfd, enum proto default_proto, struct sockaddr_in server) {
	char sendline[MAXLINE];


	fp->seekg(0, std::ios::end);
	//int64_t size = fp->tellg();
	fp->seekg(0);

	int64_t size = 4294967295;
	int64_t read = 0;
	int64_t unitsize = 0;
	int64_t toTransfer = 4294967295;

	//writen(sockfd, (char *) &size, sizeof(int64_t), default_proto, server);
	//writen(sockfd, (const void *)"989", MAXLINE, default_proto, server);
	//while (fgets(sendline, MAXLINE, fp) != NULL) {
	while (toTransfer > 0) {
		unitsize = ((toTransfer >= MAXLINE) ? MAXLINE : toTransfer);

		fp->read(sendline, MAXLINE);
		//out << sendline << endl;
		writen(sockfd, sendline, strlen(sendline), default_proto, server);

		//read += MAXLINE;
		toTransfer -= unitsize;
		if (errno)
			printerrno("do_transmit");
	}

	toTransfer = size;
}

int main(int argc, char **argv) {
	int sockfd;
	struct sockaddr_in servaddr;
	struct addrinfo *hostinfo;
	char *host;
	struct hostent *hp;
	string test;

	int ind = 1;
		while (ind < argc) {
			switch (argv[ind][1]) {
				// protocol
				case 'P':
					test = string(argv[++ind]);
					if (strcmp(test.c_str(),"TCP")==0) {
						default_proto = TCP;
						printf("Using TCP\n");
					} else if (strcmp(test.c_str(),"DCCP")==0) {
						default_proto = DCCP;
						printf("Using DCCP\n");
					} else if (strcmp(test.c_str(),"UDP")==0) {
						default_proto = UDP;
						printf("Using UDP\n");
					} else if (strcmp(test.c_str(),"UDT")==0) {
						default_proto = PUDT;
						printf("Using UDT\n");
					} else {
						goto usage;
					}
					break;
				// port
				case 'p':
					port = string(argv[++ind]);
					cout << "Connecting to port " << port.c_str() << endl;
					break;
				// server
				case 'h':
					host = argv[++ind];
					cout << "Connecting to host " << host << endl;
					break;
				// file
				case 'f':
					file = string(argv[++ind]);
					cout << "Transfering file " << file.c_str() << endl;
					break;
				default:
					goto usage;
					break;
			}

			ind++;
		}


	if ((sockfd = make_socket()) < 0) {
		printerrno("socket");
		return 1;
	}

//	bzero(&servaddr, sizeof(servaddr));
	servaddr.sin_family = AF_INET;
	hp = gethostbyname(host);
	   if (hp==0) printerrno("Unknown host");
	bcopy((char *)hp->h_addr,
	        (char *)&servaddr.sin_addr,
	         hp->h_length);
	servaddr.sin_port = htons(str_to_int(port));

	if (getaddrinfo(host, port.c_str(), NULL, &hostinfo)) {
		printerrno("getaddrinfo");
		return 1;
	}
	/* above use of 5001 in string is a hack - fix */
		
/*	if (inet_pton(AF_INET, "127.0.0.1", &servaddr.sin_addr) <= 0) {
		printerrno("inet_pton");
		return -1;
	} */
	socket_options(sockfd);
	if (errno) {
		printerrno("socket_options");
		return 1;
	}

	if (default_proto != UDP) {
		connect(sockfd, (const struct sockaddr *) &servaddr, sizeof(servaddr));
		//connect(sockfd, hostinfo->ai_addr, hostinfo->ai_addrlen);
		if (errno) {
			printerrno("connect");
			return 1;
		}
	}

	printf("Begin transfer\n");

	ifstream *fp;

	fp = new ifstream(file.c_str(), ios::in | ios::binary);;//
	if (!fp) {
		cout << "fehler" << endl;
	}

	/*
	if (file == "") {
		fp = stdin;
	}
	else {
		fp = fopen(file.c_str(), "r");
	}
	*/

	do_transmit(fp, sockfd,(enum proto) default_proto, servaddr);
	return 0;
usage:
	fprintf(stderr,"Put the hostname to connect to as last argument\n");
	fprintf(stderr,"-p proto defines the protocol to use where proto\n");
	fprintf(stderr,"can be TCP or DCCP\n");
	return 1;
}