#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
int main(int argc, char *argv[]) {
int sockfd, portno;
ssize_t /*bytes_read,*/ bytes_written;
struct hostent *server;
struct sockaddr_in serv_addr, cli_addr;
char buffer[4096];
if(argc < 4)
{
fprintf(stderr, "Ussage: %s + IP Address + port number + file path.\n", argv[0]);
exit(0);
}
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if(sockfd < 0) {
printf("SOCKET(-1) error ---> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
bzero((char *) &serv_addr, sizeof(serv_addr));
server = gethostbyname(argv[1]);
if(server == NULL) {
fprintf(stderr, "No such host.\n");
printf("%s\n", strerror(errno));
exit(EXIT_FAILURE);
}
portno = atoi(argv[2]); //Grabbing the port number from the command line
serv_addr.sin_family = AF_INET;
memcpy(&serv_addr.sin_addr.s_addr, server->h_addr, server->h_length);
serv_addr.sin_port = htons(portno);
if(connect(sockfd, (const struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
fprintf(stderr, "%s. CONNECT()\n", strerror(errno));
exit(EXIT_FAILURE);
}
else {
printf("Made a connection to %s\n", inet_ntoa(serv_addr.sin_addr));
}
for( ; ; )
{
FILE *file = fopen(argv[3], "rb+");
if(file == NULL) {
printf("! FOPEN(NULL) error --> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
if(file < 0) {
printf("! FOPEN(-1) error --> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
else if(file) {
fseek(file, 0, SEEK_END);
int32_t size = ftell(file);
//printf("=> File size is %d.\n", size);
rewind(file);
int file2buffer = fread(buffer, sizeof(size), 1, file);
if(file2buffer < 0) {
printf("! FREAD(-1) error --> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
if(file2buffer == 0) {
printf("! FREAD(0) error --> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
}
printf("%s", buffer);
bytes_written = write(sockfd, buffer, strlen(buffer));
if(bytes_written < 0) {
printf("! WRITE(-1) error --> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
if(bytes_written == 0) {
printf("! WRITE(0) error --> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
}
close(sockfd);
return 0;
}
Unless a few of yall want to redo Wrong Planet and make it mobile.
#include <stdio.h>
#include <netdb.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
int main(int argc, char *argv[]) {
int sockfd, newsockfd, portno, binder, listener;
ssize_t bytes_read, bytes_written;
struct sockaddr_in serv_addr, cli_addr;
struct hostent *server;
socklen_t clilen;
char data[4096];
if(argc < 3) {
printf("Usage: %s ip address + port number.\n", argv[0]);
exit(EXIT_FAILURE);
}
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if(sockfd < 0) {
printf("SOCKET(-1) error ---> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
bzero((char *) &serv_addr, sizeof(serv_addr));
server = gethostbyname(argv[1]);
if(server == NULL) {
fprintf(stderr, "No such host.\n");
printf("%s\n", strerror(errno));
exit(EXIT_FAILURE);
}
bzero((char *)&serv_addr, sizeof(serv_addr));
portno = atoi(argv[2]);
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
serv_addr.sin_port = htons(portno);
binder = bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr));
if(binder < 0) {
printf("BIND(-1) error ---> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
else if(socket) {
do {
{
printf("Waiting for a connection.\n");
}
}while(!accept);
}
listener = listen(sockfd, 20);
if(listener < 0) {
printf("LISTEN(-1) error ---> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
clilen = sizeof(cli_addr);
newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);
if(newsockfd == 0) {
printf("ACCEPT(0) error ---> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
if(newsockfd < 0) {
printf("ACCEPT(-1) error ---> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
if(accept) {
{
printf("Received connection from %s.\n", inet_ntoa(cli_addr.sin_addr));
}
}
for( ; ; ) {
FILE *file = fopen("file_in.txt", "wb+");
if(file == NULL) {
printf("FOPEN(NULL) error --> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
bytes_read = read(newsockfd, data, sizeof(data));
if(bytes_read < 0) {
printf("READ(-1) error ---> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}
if(bytes_read == 0) {
printf("READ(0) error ---> %s.\n", strerror(errno));
exit(EXIT_SUCCESS);
}
else {
fprintf(file, "%s", data);
}
/*printf("message: ");
fgets(data, sizeof(data), stdin);
bytes_written = write(newsockfd, data, strlen(data));
if(bytes_written < 0) {
printf("WRITE(-1) error ---> %s.\n", strerror(errno));
exit(EXIT_FAILURE);
}*/
}
close(newsockfd);
close(sockfd);
return 0;
}
Feel free to Join. I am watching a bunch of movies tonight. So i will not be working on it. Unless someone wants to pair up tonight.
07 Jun 2012, 3:19 am
