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author | ted.mielczarek <ted.mielczarek@4c0a9323-5329-0410-9bdc-e9ce6186880e> | 2010-04-08 23:06:23 +0000 |
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committer | ted.mielczarek <ted.mielczarek@4c0a9323-5329-0410-9bdc-e9ce6186880e> | 2010-04-08 23:06:23 +0000 |
commit | b223627d81c083a64f2ccecf2651a18111421280 (patch) | |
tree | bfe59da685835b8d13b073f11cddaf4c5997282f /src/processor/binarystream.cc | |
parent | Include what you use. (diff) | |
download | breakpad-b223627d81c083a64f2ccecf2651a18111421280.tar.xz |
provide a network source line resolver + server. r=mark,jimb at http://breakpad.appspot.com/36001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@569 4c0a9323-5329-0410-9bdc-e9ce6186880e
Diffstat (limited to 'src/processor/binarystream.cc')
-rw-r--r-- | src/processor/binarystream.cc | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/processor/binarystream.cc b/src/processor/binarystream.cc new file mode 100644 index 00000000..c8ee2186 --- /dev/null +++ b/src/processor/binarystream.cc @@ -0,0 +1,123 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include <arpa/inet.h> +#include <limits.h> + +#include <vector> + +#include "processor/binarystream.h" + +namespace google_breakpad { +using std::string; +using std::vector; + +binarystream &binarystream::operator>>(std::string &str) { + u_int16_t length; + *this >> length; + if (eof()) + return *this; + if (length == 0) { + str.clear(); + return *this; + } + vector<char> buffer(length); + stream_.read(&buffer[0], length); + if (!eof()) + str.assign(&buffer[0], length); + return *this; +} + +binarystream &binarystream::operator>>(u_int8_t &u8) { + stream_.read((char *)&u8, 1); + return *this; +} + +binarystream &binarystream::operator>>(u_int16_t &u16) { + u_int16_t temp; + stream_.read((char *)&temp, 2); + if (!eof()) + u16 = ntohs(temp); + return *this; +} + +binarystream &binarystream::operator>>(u_int32_t &u32) { + u_int32_t temp; + stream_.read((char *)&temp, 4); + if (!eof()) + u32 = ntohl(temp); + return *this; +} + +binarystream &binarystream::operator>>(u_int64_t &u64) { + u_int32_t lower, upper; + *this >> lower >> upper; + if (!eof()) + u64 = static_cast<u_int64_t>(lower) | (static_cast<u_int64_t>(upper) << 32); + return *this; +} + +binarystream &binarystream::operator<<(const std::string &str) { + if (str.length() > USHRT_MAX) { + // truncate to 16-bit length + *this << static_cast<u_int16_t>(USHRT_MAX); + stream_.write(str.c_str(), USHRT_MAX); + } else { + *this << (u_int16_t)(str.length() & 0xFFFF); + stream_.write(str.c_str(), str.length()); + } + return *this; +} + +binarystream &binarystream::operator<<(u_int8_t u8) { + stream_.write((const char*)&u8, 1); + return *this; +} + +binarystream &binarystream::operator<<(u_int16_t u16) { + u16 = htons(u16); + stream_.write((const char*)&u16, 2); + return *this; +} + +binarystream &binarystream::operator<<(u_int32_t u32) { + u32 = htonl(u32); + stream_.write((const char*)&u32, 4); + return *this; +} + +binarystream &binarystream::operator<<(u_int64_t u64) { + // write 64-bit ints as two 32-bit ints, so we can byte-swap them easily + u_int32_t lower = static_cast<u_int32_t>(u64 & 0xFFFFFFFF); + u_int32_t upper = static_cast<u_int32_t>(u64 >> 32); + *this << lower << upper; + return *this; +} + +} // namespace google_breakpad |