void parse_request(request_b *rb) {
int is_static;
struct stat sbuf;
char line[MAXLINE], method[MAXLINE], uri[MAXLINE], version[MAXLINE];
char filename[MAXLINE], cgiargs[MAXLINE];
int is_head = 0;
if (verbose) {
printf("the rb->buf start and end:%zu %zu\n", rb->pos, rb->last);
}
getlinefrombuf(rb, line);
sscanf(line, "%s %s %s", method, uri, version);
if (verbose) {
printf("the firstline of request\n%s", line);
}
if (!strcasecmp(method, "GET")) { //
read_requesthdrs(rb);
is_static = parse_uri(uri, filename, cgiargs);
} else if (!strcasecmp(method, "HEAD")) {
read_requesthdrs(rb);
is_static = parse_uri(uri, filename, cgiargs);
is_head = 1;
} else if (!strcasecmp(method, "POST")) {
parse_post_request(rb, cgiargs, uri, filename);
is_static = 0; // always dynamic follow by parse_uri
printf("cgiargs parameter is %s\n", cgiargs);
} else {
clienterror(rb->fd, method, "501", "Not Implemented",
"Tiny does not implement this method");
return;
}
if (stat(filename, &sbuf) < 0) {
clienterror(rb->fd, filename, "404", "Not found",
"Tiny couldn't find this file");
return;
}
if (is_static) { /* Serve static content */
if (!(S_ISREG(sbuf.st_mode)) || !(S_IRUSR & sbuf.st_mode)) {
clienterror(rb->fd, filename, "403", "Forbidden",
"Tiny couldn't read the file");
return;
}
serve_static(rb->fd, filename, sbuf.st_size, is_head);
} else { /* Serve dynamic content */
if (!(S_ISREG(sbuf.st_mode)) ||
!(S_IXUSR & sbuf.st_mode)) { // line:netp:doit:executable
clienterror(rb->fd, filename, "403", "Forbidden",
"Tiny couldn't run the CGI program");
return;
}
serve_dynamic(rb->fd, filename, cgiargs,
is_head); // line:netp:doit:servedynamic
}
}
coo_entry_t* get_rating_from_http(const char *str_request, const char *str_regex)
{
char* header_fields = parse_post_request(str_request, str_regex);
size_t r;
if (header_fields==NULL)
{
return NULL;
}
coo_entry_t* rating= malloc(sizeof(coo_entry_t));
if(sscanf(header_fields,"user=%u&item=%u&rating=%d",&rating->row_i,&rating->column_j,&r)!=3)
{
free(rating);
return NULL;
}
rating->value = (float) r;
return rating;
}
