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Tune up static_buffer (API Change):

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The static buffer is updated:

* reset() is no longer a member. Use b.consume(b.size()) instead.

* Simplified implementaton, uses asio instead of custom types

* Better stream performance: consuming the input makes room
  available in the output. This class is now suitable for
  HTTP reads.

These changes permit the static_buffer wrapper to adapt a user
memory buffer if desired, including a stack based array.
The static_buffer_n class may also be used for this purpose,
it comes with its own storage.
This commit is contained in:
Vinnie Falco
2017-07-20 08:12:19 -07:00
parent 0a5fec1e9d
commit 7952578e1d
9 changed files with 187 additions and 441 deletions
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test/core/static_buffer.cpp
+3 -54
View File
@@ -130,7 +130,7 @@ public:
}
try
{
ba.prepare(1);
ba.prepare(ba.capacity() - ba.size() + 1);
fail();
}
catch(...)
@@ -141,59 +141,9 @@ public:
}}}}}}
}
void testIterators()
void
testReadSizeHelper()
{
static_buffer_n<2> ba;
{
auto mb = ba.prepare(2);
std::size_t n;
n = 0;
for(auto it = mb.begin();
it != mb.end(); it++)
++n;
BEAST_EXPECT(n == 1);
mb = ba.prepare(2);
n = 0;
for(auto it = mb.begin();
it != mb.end(); ++it)
++n;
BEAST_EXPECT(n == 1);
mb = ba.prepare(2);
n = 0;
for(auto it = mb.end();
it != mb.begin(); it--)
++n;
BEAST_EXPECT(n == 1);
mb = ba.prepare(2);
n = 0;
for(auto it = mb.end();
it != mb.begin(); --it)
++n;
BEAST_EXPECT(n == 1);
}
ba.prepare(2);
ba.commit(1);
std::size_t n;
n = 0;
for(auto it = ba.data().begin();
it != ba.data().end(); it++)
++n;
BEAST_EXPECT(n == 1);
n = 0;
for(auto it = ba.data().begin();
it != ba.data().end(); ++it)
++n;
BEAST_EXPECT(n == 1);
n = 0;
for(auto it = ba.data().end();
it != ba.data().begin(); it--)
++n;
BEAST_EXPECT(n == 1);
n = 0;
for(auto it = ba.data().end();
it != ba.data().begin(); --it)
++n;
BEAST_EXPECT(n == 1);
}
void run() override
@@ -201,7 +151,6 @@ public:
test::check_read_size_helper<static_buffer_n<32>>();
testStaticBuffer();
testIterators();
}
};