101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
// Copyright (c) 2012 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef CLIENT_LINUX_HANDLER_MINIDUMP_DESCRIPTOR_H_
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#define CLIENT_LINUX_HANDLER_MINIDUMP_DESCRIPTOR_H_
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#include <assert.h>
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#include <sys/types.h>
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#include <string>
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#include "common/using_std_string.h"
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// The MinidumpDescriptor describes how to access a minidump: it can contain
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// either a file descriptor or a path.
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// Note that when using files, it is created with the path to a directory.
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// The actual path where the minidump is generated is created by this class.
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namespace google_breakpad {
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class MinidumpDescriptor {
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public:
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MinidumpDescriptor() : fd_(-1), size_limit_(-1) {}
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explicit MinidumpDescriptor(const string& directory)
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: fd_(-1),
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directory_(directory),
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c_path_(NULL),
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size_limit_(-1) {
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assert(!directory.empty());
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}
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explicit MinidumpDescriptor(int fd)
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: fd_(fd),
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c_path_(NULL),
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size_limit_(-1) {
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assert(fd != -1);
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}
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explicit MinidumpDescriptor(const MinidumpDescriptor& descriptor);
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MinidumpDescriptor& operator=(const MinidumpDescriptor& descriptor);
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bool IsFD() const { return fd_ != -1; }
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int fd() const { return fd_; }
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string directory() const { return directory_; }
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const char* path() const { return c_path_; }
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// Updates the path so it is unique.
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// Should be called from a normal context: this methods uses the heap.
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void UpdatePath();
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off_t size_limit() const { return size_limit_; }
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void set_size_limit(off_t limit) { size_limit_ = limit; }
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private:
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// The file descriptor where the minidump is generated.
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int fd_;
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// The directory where the minidump should be generated.
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string directory_;
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// The full path to the generated minidump.
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string path_;
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// The C string of |path_|. Precomputed so it can be access from a compromised
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// context.
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const char* c_path_;
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off_t size_limit_;
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};
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} // namespace google_breakpad
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#endif // CLIENT_LINUX_HANDLER_MINIDUMP_DESCRIPTOR_H_
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