void EP1_SERVER_respond (const EP1_NET_packet* req, EP1_NET_packet* resp) {
/* Guarda a linha de requisição do pacote req */
request_line reqline;
/* Possível arquivo html mandado em resposta */
response_file response;
/* Possível informações do POST */
post_info postinfo;
/* Lê a linha de requisição do pacote req */
parse_reqline(req->data, &reqline);
/* Verifica se é método GET ou POST */
if (strcmp(reqline.method, "GET") == 0) {
/* Caso especial / redireciona para /index.html */
if (strcmp(reqline.uri, "/") == 0)
strcat(reqline.uri, "index.html");
/* Tenta carregar página HTML */
get_file(reqline.uri, &response);
/* 200 OK */
if (response.file != NULL)
handle_ok(&response, resp);
/* 404 NOT FOUND */
else
handle_notfound(reqline.uri, resp);
} else if (strcmp(reqline.method, "POST") == 0) {
/* Pega informações enviadas via POST*/
get_postinfo(req->data, &postinfo);
/* E monta a resposta */
handle_post(&postinfo, resp);
} else printf("[Método %s não suportado]\n", reqline.method);
}
void *http_process(void *args)
{
int32 fd;
struct http_request *req;
int8 *cp = NULL;
int8 *line = NULL;
int8 *method = NULL;
int8 *url = NULL;
int8 *protocol = NULL;
struct timeval timo;
int32 optval = 1;
int32 rc, rc_r, rc_s;
int32 r = 0;
if (NULL == args)
return NULL;
req = (struct http_request *)args;
fd = req->fd;
req->buff = malloc(BUFFSIZ);
req->buff_size = BUFFSIZ;
if (NULL == req->buff) {
HTTPD_ERR("get_request_line malloc %d fail\n", BUFFSIZ);
free(args);
return NULL;
}
memset(req->buff, 0, BUFFSIZ);
rc = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &optval, sizeof(optval));
if (rc < 0)
HTTPD_ERR("setsockopt error rc=%d errno=%d %s\n", rc, errno, strerror(errno));
timo.tv_sec = HTTPD_TIMO;
timo.tv_usec = 0;
rc_r = setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timo, sizeof(timo));
rc_s = setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timo, sizeof(timo));
if (rc_r < 0 || rc_s < 0)
HTTPD_ERR("setsockopt error fd=%d rc=%d rc_r=%d rc_s=%d errno=%d %s\n", fd, rc, rc_r, rc_s, errno, strerror(errno));
/* GET / HTTP/1.1 */
method = get_request_line(req);
if (method == NULL)
goto close_task;
url = parse_reqline(fd, method);
if (url == NULL)
goto close_task;
protocol = parse_reqline(fd, url);
if (protocol == NULL)
goto close_task;
req->method = http_method(method);
if (req->method == M_OPTIONS) {
send_error(fd, 204, "No Content", NULL, "Method OPTIONS.");
goto close_task;
}
if (req->method == M_UNKNOWN) {
send_error(fd, 400, "Bad Request", NULL, "Method Not Support.");
goto close_task;
}
decode_url(req, url);
HTTPD_INFO("method[%s] protocol[%s] url[%s] path[%s] query[%s]!\n", method, protocol, url, req->path, req->query ? : "");
while ((line = get_request_line(req)) != NULL) {
if (line[0] == '\0')
break;
if (strncasecmp(line, "Upgrade:", 8) == 0) {
cp = &line[8];
cp += strspn(cp, " \t");
if (strncasecmp(cp, "websocket", 9) == 0)
req->is_websocket = 1;
} else if (strncasecmp(line, "Connection:", 11) == 0) {
cp = &line[11];
cp += strspn(cp, " \t");
/* Firefox: [Connection: keep-alive, Upgrade] */
if (strcasestr(cp, "Upgrade") != NULL)
req->is_connection_upgrade = 1;
} else if (strncasecmp(line, "Sec-WebSocket-Key:", 18) == 0) {
cp = &line[18];
cp += strspn(cp, " \t");
req->sec_websocket_key = cp;
} else if (strncasecmp(line, "Origin:", 7) == 0) {
cp = &line[7];
cp += strspn(cp, " \t");
req->origin = cp;
} else if (strncasecmp(line, "Sec-WebSocket-Version:", 22) == 0) {
cp = &line[22];
cp += strspn(cp, " \t");
req->sec_websocket_version = atoi(cp);
} else if (strncasecmp(line, "Content-Length:", 15) == 0) {
cp = &line[15];
cp += strspn(cp, " \t");
req->content_length = atol(cp);
if ((BUFFSIZ < req->content_length + MAX_HEADER_LEN) &&
(req->buff_size != req->content_length + MAX_HEADER_LEN) + 1) {
re_alloc_buff(req);
memset(req->buff + BUFFSIZ, 0, req->buff_size - BUFFSIZ);
}
} else if (strncasecmp(line, "Content-Type:", 13) == 0) {
cp = &line[13];
cp += strspn(cp, " \t");
req->content_type = cp;
} else if (strncasecmp(line, "Host:", 5) == 0) {
cp = &line[5];
cp += strspn(cp, " \t");
req->host = cp;
}
}
HTTPD_INFO("Left %d bytes HTTP data with Content-Length: %ld req->sz[%d] req->pos[%d]\n",
req->sz - req->pos, req->content_length, req->sz, req->pos);
if (line == NULL || req->path[0] != '/')
send_error(fd, 400, "Bad Request", NULL, "Bad Request!");
if ((0 != req->content_length) && (req->sz != req->hd_sz + req->content_length)) {
while ((r = http_read(req->fd, req->buff + req->sz, req->buff_size - req->sz)) > 0) {
req->sz += r;
if (req->sz == req->hd_sz + req->content_length)
break;
}
}
if (req->is_websocket)
ws_process(req);
else {
uint32 i = 0;
int8 *file = NULL;
int8 *path = req->path;
int8 *pTmp = path;
int8 prefix[PREFIX_LEN] = {0};
int8 new_link[MAX_URL + 8] = {0};
rmm_cfg_get_rest_prefix(prefix, PREFIX_LEN);
/*snprintf(new_link, (MAX_URL + 8), "%s%s", prefix, "/rack");*/
snprintf_s_s(new_link, (MAX_URL + 8), "%s", prefix);
/*TODO: move to correct place */
get_json_pointer(req);
/* remove redundant '/' */
for (; *(path+i) != '\0'; i++) {
if ((*(path+i) == '/') && (*(path+i+1) == '/'))
continue;
*pTmp++ = *(path+i);
}
*pTmp = '\0';
if ((path[1] == '\0')
|| (strncasecmp(path, new_link, strnlen_s(new_link, sizeof(new_link)-1)) == 0))
file = NULL;
else
file = path;
if (file != NULL)
send_file(req->fd, file);
else
rest_process(req);
}
close_task:
close(fd);
if (NULL != req->buff) {
free(req->buff);
req->buff = NULL;
}
HTTPD_INFO("\nrest_req_thread[%lld] exit, fd[%d], errno:%d %s\n", (uint64)(req->tid_rest_req), fd, errno, strerror(errno));
free(args);
pthread_detach(pthread_self());
return NULL;
}
