/**
* Send an error message
* @param res HttpResponse object
* @param code Error Code to lookup and send
* @param msg Optional error message (may be NULL)
*/
void send_error(HttpResponse res, int code, const char *msg) {
char server[STRLEN];
const char *err= get_status_string(code);
reset_response(res);
set_content_type(res, "text/html");
set_status(res, code);
StringBuffer_append(res->outputbuffer,
"<html><head><title>%d %s</title></head>"\
"<body bgcolor=#FFFFFF><h2>%s</h2>%s<p>"\
"<hr><a href='%s'><font size=-1>%s</font></a>"\
"</body></html>\r\n",
code, err, err, msg?msg:"", SERVER_URL, get_server(server, STRLEN));
DEBUG("HttpRequest error: %s %d %s\n", SERVER_PROTOCOL, code, msg ? msg : err);
}
int main(int argc, char *argv[]) {
int port = 1220;
if (argc > 1)
port = atoi(argv[1]);
int fd = socket(AF_INET, SOCK_STREAM, 0);
int flags = 1;
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *)&flags, sizeof(flags));
setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (void *)&flags, sizeof(flags));
struct sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
perror("bind()");
if(fd > 0) close(fd);
exit(1);
}
if (listen(fd, 1024) < 0) {
perror("listen()");
exit(1);
}
RespRequest *req = create_request(BUF_SIZE);
RespResponse *res = create_response(BUF_SIZE);
while (1) {
reset_request(req);
reset_response(res);
socklen_t addr_len = sizeof(addr);
int cfd = accept(fd, (struct sockaddr*)&addr, &addr_len);
if (cfd < 0) {
perror("accept()");
continue;
}
char buf[1024];
int rnum = read(cfd,buf,sizeof(buf));
if (decode_request(req, buf, rnum) == 0 &&
(req->state == OK || req->state == PART_OK) ){
if (req->argc > 1 && strncmp(request_argv(req,0), "add", 3) == 0) {
int total = 0;
for (int i = 1; i < req->argc; i++)
total += atoi(request_argv(req,i));
encode_response_integer(res, total);
}
else {
encode_response_status(res,0,"ERR unknown command");
}
}
else {
encode_response_status(res,0,"ERR decode command fail");
}
write(cfd, res->buf, res->used_size);
close(cfd);
}
destroy_request(req);
destroy_response(res);
close(fd);
return 0;
}
int main(int argc, char *argv[])
{
/*check if the directory is provided by the user*/
if (argc == 3)
{
struct dirent *dirpent;
DIR *dirp;
dirp= opendir(argv[1]);
if(dirp)
{
/*constructing structure objects*/
http_response_t *response=(http_response_t *)malloc(sizeof(http_response_t) );
http_request_t *request=(http_request_t *)malloc(sizeof(http_request_t) );
/*getting first string*/
// char *loc = (char*)malloc(PATH_MAX) ;
struct sockaddr_in sockaddr;
int sockfd =0, newfd =0, pid;
char sendbuff[PATH_MAX];FILE * fp; FILE *fwrite;
// printf("first\n");
sockfd = socket(AF_INET,SOCK_STREAM,0);
memset(&sockaddr,0,sizeof(sockaddr));
memset(&sendbuff,0,sizeof(sendbuff));
sockaddr.sin_family = AF_INET;
sockaddr.sin_port = htons(atoi(argv[2]));
sockaddr.sin_addr.s_addr = INADDR_ANY;
if(bind(sockfd, ( struct sockaddr*) &sockaddr,sizeof(sockaddr)) == -1)
perror("bind");
if(listen(sockfd,10) == -1)
perror("listen");
while(1)
{
newfd=accept(sockfd,(struct sockaddr *) NULL,NULL);
if (newfd == -1)
{
perror("Accept error:");
}
else
{
fp = fdopen(newfd,"r");
if(fp)
{
pid =fork();
if(pid == 0)
{
fgets(sendbuff,PATH_MAX,fp);
nextrequest(request,fp);
strcpy(response->resource_path,argv[1]);
parse_string(sendbuff,request,response,newfd);
reset_response(response);
close(newfd);
sleep(1);
free(request);
free(response);
return 0;
}
else
{
if(waitpid(-1,NULL,WNOHANG)>0);
close(newfd);
}
}
else
{
perror("fp");
}
fclose(fp);
}
// close(newfd);
}
close(sockfd);
free(request);
free(response);
}
else
{
printf("Directory Does not exist.\n");
}
}
else
{
printf("Please ONLY give the Directory location and port number\n");
}
int closedir(DIR *dirp); // Closing Directory
return 0;
}
