+/*
+ * uclient - ustream based protocol client library
+ *
+ * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <arpa/inet.h>
#include <libubox/ustream-ssl.h>
#include "uclient.h"
#include "uclient-utils.h"
#include "uclient-backend.h"
-static struct uclient_url *uclient_get_url(const char *url_str)
+char *uclient_get_addr(char *dest, int *port, union uclient_addr *a)
{
- static const struct uclient_backend *backends[] = {
- &uclient_backend_http,
- };
+ int portval;
+ void *ptr;
- const struct uclient_backend *backend;
- const char * const *prefix = NULL;
- struct uclient_url *url;
- const char *location;
- char *host_buf, *uri_buf, *next;
- int i, host_len;
-
- for (i = 0; i < ARRAY_SIZE(backends); i++) {
- int prefix_len = 0;
-
- for (prefix = backends[i]->prefix; *prefix; prefix++) {
- prefix_len = strlen(*prefix);
-
- if (!strncmp(url_str, *prefix, prefix_len))
- break;
- }
-
- if (!*prefix)
- continue;
-
- url_str += prefix_len;
- backend = backends[i];
+ switch(a->sa.sa_family) {
+ case AF_INET:
+ ptr = &a->sin.sin_addr;
+ portval = a->sin.sin_port;
break;
+ case AF_INET6:
+ ptr = &a->sin6.sin6_addr;
+ portval = a->sin6.sin6_port;
+ break;
+ default:
+ return strcpy(dest, "Unknown");
}
- if (!*prefix)
- return NULL;
+ inet_ntop(a->sa.sa_family, ptr, dest, INET6_ADDRSTRLEN);
+ if (port)
+ *port = ntohs(portval);
- next = strchr(url_str, '/');
- if (next) {
- location = next;
- host_len = next - url_str;
- } else {
- location = "/";
- host_len = strlen(url_str);
- }
+ return dest;
+}
+
+struct uclient_url __hidden *
+__uclient_get_url(const struct uclient_backend *backend,
+ const char *host, int host_len,
+ const char *location, const char *auth_str)
+{
+ struct uclient_url *url;
+ char *host_buf, *uri_buf, *auth_buf, *next;
url = calloc_a(sizeof(*url),
&host_buf, host_len + 1,
- &uri_buf, strlen(location) + 1);
+ &uri_buf, strlen(location) + 1,
+ &auth_buf, auth_str ? strlen(auth_str) + 1 : 0);
url->backend = backend;
url->location = strcpy(uri_buf, location);
-
- url->host = strncpy(host_buf, url_str, host_len);
+ if (host)
+ url->host = strncpy(host_buf, host, host_len);
next = strchr(host_buf, '@');
if (next) {
url->auth = host_buf;
}
+ if (!url->auth && auth_str)
+ url->auth = strcpy(auth_buf, auth_str);
+
/* Literal IPv6 address */
if (*url->host == '[') {
url->host++;
url->port = next + 1;
} else {
next = strrchr(url->host, ':');
- if (next)
+ if (next) {
+ *next = 0;
url->port = next + 1;
+ }
}
return url;
return NULL;
}
-struct uclient *uclient_new(const char *url_str, const struct uclient_cb *cb)
+static const char *
+uclient_split_host(const char *base, int *host_len)
+{
+ char *next, *location;
+
+ next = strchr(base, '/');
+ if (next) {
+ location = next;
+ *host_len = next - base;
+ } else {
+ location = "/";
+ *host_len = strlen(base);
+ }
+
+ return location;
+}
+
+struct uclient_url __hidden *
+uclient_get_url(const char *url_str, const char *auth_str)
+{
+ static const struct uclient_backend *backends[] = {
+ &uclient_backend_http,
+ };
+
+ const struct uclient_backend *backend;
+ const char * const *prefix = NULL;
+ struct uclient_url *url;
+ const char *location;
+ int host_len;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(backends); i++) {
+ int prefix_len = 0;
+
+ for (prefix = backends[i]->prefix; *prefix; prefix++) {
+ prefix_len = strlen(*prefix);
+
+ if (!strncmp(url_str, *prefix, prefix_len))
+ break;
+ }
+
+ if (!*prefix)
+ continue;
+
+ url_str += prefix_len;
+ backend = backends[i];
+ break;
+ }
+
+ if (!*prefix)
+ return NULL;
+
+ location = uclient_split_host(url_str, &host_len);
+ url = __uclient_get_url(backend, url_str, host_len, location, auth_str);
+ if (!url)
+ return NULL;
+
+ url->prefix = prefix - backend->prefix;
+ return url;
+}
+
+static void uclient_connection_timeout(struct uloop_timeout *timeout)
+{
+ struct uclient *cl = container_of(timeout, struct uclient, connection_timeout);
+
+ if (cl->backend->disconnect)
+ cl->backend->disconnect(cl);
+
+ uclient_backend_set_error(cl, UCLIENT_ERROR_TIMEDOUT);
+}
+
+struct uclient *uclient_new(const char *url_str, const char *auth_str, const struct uclient_cb *cb)
{
struct uclient *cl;
struct uclient_url *url;
- url = uclient_get_url(url_str);
+ url = uclient_get_url(url_str, auth_str);
if (!url)
return NULL;
cl->backend = url->backend;
cl->cb = cb;
cl->url = url;
+ cl->timeout_msecs = UCLIENT_DEFAULT_TIMEOUT_MS;
+ cl->connection_timeout.cb = uclient_connection_timeout;
return cl;
}
-int uclient_connect_url(struct uclient *cl, const char *url_str)
+int uclient_set_proxy_url(struct uclient *cl, const char *url_str, const char *auth_str)
{
- struct uclient_url *url = cl->url;
const struct uclient_backend *backend = cl->backend;
+ struct uclient_url *url;
+ const char *location;
+ int host_len;
+ char *next, *host;
+
+ if (!backend->update_proxy_url)
+ return -1;
- if (url_str) {
- url = uclient_get_url(url_str);
- if (!url)
- return -1;
+ next = strstr(url_str, "://");
+ if (!next)
+ return -1;
+
+ host = next + 3;
+ location = uclient_split_host(host, &host_len);
- if (url->backend != cl->backend)
- return -1;
+ url = __uclient_get_url(NULL, host, host_len, url_str, auth_str);
+ if (!url)
+ return -1;
- free(cl->url);
- cl->url = url;
+ free(cl->proxy_url);
+ cl->proxy_url = url;
- if (backend->update_url)
- backend->update_url(cl);
+ if (backend->update_proxy_url)
+ backend->update_proxy_url(cl);
+
+ return 0;
+}
+
+int uclient_set_url(struct uclient *cl, const char *url_str, const char *auth_str)
+{
+ const struct uclient_backend *backend = cl->backend;
+ struct uclient_url *url = cl->url;
+
+ url = uclient_get_url(url_str, auth_str);
+ if (!url)
+ return -1;
+
+ if (url->backend != cl->backend) {
+ free(url);
+ return -1;
}
- return backend->connect(cl);
+ free(cl->proxy_url);
+ cl->proxy_url = NULL;
+
+ free(cl->url);
+ cl->url = url;
+
+ if (backend->update_url)
+ backend->update_url(cl);
+
+ return 0;
+}
+
+int uclient_set_timeout(struct uclient *cl, int msecs)
+{
+ if (msecs <= 0)
+ return -EINVAL;
+
+ cl->timeout_msecs = msecs;
+
+ return 0;
+}
+
+int uclient_connect(struct uclient *cl)
+{
+ return cl->backend->connect(cl);
}
void uclient_free(struct uclient *cl)
free(url);
}
-int uclient_write(struct uclient *cl, char *buf, int len)
+int uclient_write(struct uclient *cl, const char *buf, int len)
{
if (!cl->backend->write)
return -1;
int uclient_request(struct uclient *cl)
{
+ int err;
+
if (!cl->backend->request)
return -1;
- return cl->backend->request(cl);
+ err = cl->backend->request(cl);
+ if (err)
+ return err;
+
+ uloop_timeout_set(&cl->connection_timeout, cl->timeout_msecs);
+
+ return 0;
}
int uclient_read(struct uclient *cl, char *buf, int len)
return cl->backend->read(cl, buf, len);
}
+void uclient_disconnect(struct uclient *cl)
+{
+ uloop_timeout_cancel(&cl->connection_timeout);
+
+ if (!cl->backend->disconnect)
+ return;
+
+ cl->backend->disconnect(cl);
+}
+
static void __uclient_backend_change_state(struct uloop_timeout *timeout)
{
struct uclient *cl = container_of(timeout, struct uclient, timeout);
- if (cl->error && cl->cb->error)
- cl->cb->error(cl);
+ if (cl->error_code && cl->cb->error)
+ cl->cb->error(cl, cl->error_code);
else if (cl->eof && cl->cb->data_eof)
cl->cb->data_eof(cl);
}
uloop_timeout_set(&cl->timeout, 1);
}
-void uclient_backend_set_error(struct uclient *cl)
+void __hidden uclient_backend_set_error(struct uclient *cl, int code)
{
- if (cl->error)
+ if (cl->error_code)
return;
- cl->error = true;
+ uloop_timeout_cancel(&cl->connection_timeout);
+ cl->error_code = code;
uclient_backend_change_state(cl);
}
void __hidden uclient_backend_set_eof(struct uclient *cl)
{
- if (cl->eof || cl->error)
+ if (cl->eof || cl->error_code)
return;
+ uloop_timeout_cancel(&cl->connection_timeout);
cl->eof = true;
uclient_backend_change_state(cl);
}
void __hidden uclient_backend_reset_state(struct uclient *cl)
{
- cl->error = false;
+ cl->data_eof = false;
cl->eof = false;
+ cl->error_code = 0;
uloop_timeout_cancel(&cl->timeout);
}
projects / project / uclient.git / blobdiff