Add system namespace which offers various system information like software release...

[project/rpcd.git] / file.h

diff --git a/file.h b/file.h
index a00f2b1..c4cb0d8 100644 (file)
--- a/file.h
+++ b/file.h
@@ -21,8 +21,41 @@
 
 #include <libubus.h>
 #include <libubox/blobmsg.h>
+#include <libubox/ustream.h>
 
-#define RPC_FILE_MAX_SIZE      (1024 * 256)
+/* limit of sys & proc files */
+#define RPC_FILE_MIN_SIZE              (128)
+
+/* limit of regular files and command output data */
+#define RPC_FILE_MAX_SIZE              (4096 * 64)
+#define RPC_FILE_MAX_RUNTIME   (3 * 1000)
+
+#define ustream_for_each_read_buffer(stream, ptr, len) \
+       for (ptr = ustream_get_read_buf(stream, &len);     \
+            ptr != NULL && len > 0;                       \
+            ustream_consume(stream, len), ptr = ustream_get_read_buf(stream, &len))
+
+#define ustream_declare(us, fd, name)                     \
+       us.stream.string_data   = true;                       \
+       us.stream.r.buffer_len  = 4096;                       \
+       us.stream.r.max_buffers = RPC_FILE_MAX_SIZE / 4096;   \
+       us.stream.notify_read   = rpc_file_##name##_read_cb;  \
+       us.stream.notify_state  = rpc_file_##name##_state_cb; \
+       ustream_fd_init(&us, fd);
+
+struct rpc_file_exec_context {
+       struct ubus_context *context;
+       struct ubus_request_data request;
+       struct uloop_timeout timeout;
+       struct uloop_process process;
+       struct ustream_fd opipe;
+       struct ustream_fd epipe;
+       int outlen;
+       char *out;
+       int errlen;
+       char *err;
+       int stat;
+};
 
 int rpc_file_api_init(struct ubus_context *ctx);