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Merge branch '2.3' into 2.4

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This commit is contained in:
Markus Mäkelä
2019-10-10 21:42:43 +03:00
parent c2fc541ea4 183673b026
commit dc895e41ad
12 changed files with 854 additions and 231 deletions
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55
server/core/modutil.cc
View File

@ -1259,7 +1259,7 @@ mxs_pcre2_result_t modutil_mysql_wildcard_match(const char* pattern, const char*
return rval;
}
static inline bool is_next(mxs::Buffer::iterator it, mxs::Buffer::iterator end, const std::string& str)
static inline bool is_next(uint8_t* it, uint8_t* end, const std::string& str)
{
mxb_assert(it != end);
for (auto s_it = str.begin(); s_it != str.end(); ++s_it, ++it)
@ -1316,12 +1316,11 @@ static const LUT is_special([](uint8_t c) {
c) != std::string::npos;
});
static std::pair<bool, mxs::Buffer::iterator> probe_number(mxs::Buffer::iterator it,
mxs::Buffer::iterator end)
static inline std::pair<bool, uint8_t*> probe_number(uint8_t* it, uint8_t* end)
{
mxb_assert(it != end);
mxb_assert(is_digit(*it));
std::pair<bool, mxs::Buffer::iterator> rval = std::make_pair(true, it);
std::pair<bool, uint8_t*> rval = std::make_pair(true, it);
bool is_hex = *it == '0';
bool allow_hex = false;
@ -1348,7 +1347,7 @@ static std::pair<bool, mxs::Buffer::iterator> probe_number(mxs::Buffer::iterator
else if (*it == 'e')
{
// Possible scientific notation number
auto next_it = std::next(it);
auto next_it = it + 1;
if (next_it == end || (!is_digit(*next_it) && *next_it != '-'))
{
@ -1365,7 +1364,7 @@ static std::pair<bool, mxs::Buffer::iterator> probe_number(mxs::Buffer::iterator
else if (*it == '.')
{
// Possible decimal number
auto next_it = std::next(it);
auto next_it = it + 1;
if (next_it != end && !is_digit(*next_it))
{
@ -1415,7 +1414,7 @@ static inline bool is_negation(const std::string& str, int i)
return rval;
}
mxs::Buffer::iterator find_char(mxs::Buffer::iterator it, const mxs::Buffer::iterator& end, char c)
static inline uint8_t* find_char(uint8_t* it, uint8_t* end, char c)
{
for (; it != end; ++it)
{
@ -1440,13 +1439,13 @@ namespace maxscale
std::string get_canonical(GWBUF* querybuf)
{
std::string rval;
mxb_assert(GWBUF_IS_CONTIGUOUS(querybuf));
uint8_t* it = GWBUF_DATA(querybuf) + MYSQL_HEADER_LEN + 1;
uint8_t* end = GWBUF_DATA(querybuf) + gwbuf_length(querybuf);
std::string rval(end - it, 0);
int i = 0;
rval.resize(gwbuf_length(querybuf) - MYSQL_HEADER_LEN + 1);
mxs::Buffer buf(querybuf);
for (auto it = std::next(buf.begin(), MYSQL_HEADER_LEN + 1); // Skip packet header and command
it != buf.end(); ++it)
for (; it != end; ++it)
{
if (!is_special(*it))
{
@ -1456,9 +1455,9 @@ std::string get_canonical(GWBUF* querybuf)
else if (*it == '\\')
{
// Jump over any escaped values
rval[i++] += *it++;
rval[i++] = *it++;
if (it != buf.end())
if (it != end)
{
rval[i++] = *it;
}
@ -1479,19 +1478,19 @@ std::string get_canonical(GWBUF* querybuf)
rval[i++] = ' ';
}
}
else if (*it == '/' && is_next(it, buf.end(), "/*"))
else if (*it == '/' && is_next(it, end, "/*"))
{
auto comment_start = std::next(it, 2);
if (comment_start == buf.end())
if (comment_start == end)
{
break;
}
else if (*comment_start != '!' && *comment_start != 'M')
{
// Non-executable comment
while (it != buf.end())
while (it != end)
{
if (is_next(it, buf.end(), "*/"))
if (is_next(it, end, "*/"))
{
// Comment end marker, return to normal parsing
++it;
@ -1500,7 +1499,7 @@ std::string get_canonical(GWBUF* querybuf)
++it;
}
if (it == buf.end())
if (it == end)
{
break;
}
@ -1512,10 +1511,10 @@ std::string get_canonical(GWBUF* querybuf)
}
}
else if ((*it == '#' || *it == '-')
&& (is_next(it, buf.end(), "# ") || is_next(it, buf.end(), "-- ")))
&& (is_next(it, end, "# ") || is_next(it, end, "-- ")))
{
// End-of-line comment, jump to the next line if one exists
while (it != buf.end())
while (it != end)
{
if (*it == '\n')
{
@ -1523,7 +1522,7 @@ std::string get_canonical(GWBUF* querybuf)
}
else if (*it == '\r')
{
if ((is_next(it, buf.end(), "\r\n")))
if ((is_next(it, end, "\r\n")))
{
++it;
}
@ -1533,14 +1532,14 @@ std::string get_canonical(GWBUF* querybuf)
++it;
}
if (it == buf.end())
if (it == end)
{
break;
}
}
else if (is_digit(*it) && (i == 0 || (!is_alnum(rval[i - 1]) && rval[i - 1] != '_')))
{
auto num_end = probe_number(it, buf.end());
auto num_end = probe_number(it, end);
if (num_end.first)
{
@ -1556,7 +1555,7 @@ std::string get_canonical(GWBUF* querybuf)
else if (*it == '\'' || *it == '"')
{
char c = *it;
if ((it = find_char(std::next(it), buf.end(), c)) == buf.end())
if ((it = find_char(it + 1, end, c)) == end)
{
break;
}
@ -1565,7 +1564,7 @@ std::string get_canonical(GWBUF* querybuf)
else if (*it == '`')
{
auto start = it;
if ((it = find_char(std::next(it), buf.end(), '`')) == buf.end())
if ((it = find_char(it + 1, end, '`')) == end)
{
break;
}
@ -1578,7 +1577,7 @@ std::string get_canonical(GWBUF* querybuf)
rval[i++] = *it;
}
mxb_assert(it != buf.end());
mxb_assert(it != end);
}
// Remove trailing whitespace
@ -1590,8 +1589,6 @@ std::string get_canonical(GWBUF* querybuf)
// Shrink the buffer so that the internal bookkeeping of std::string remains up to date
rval.resize(i);
buf.release();
return rval;
}
}

22
server/core/resultset.cc
View File

@ -208,6 +208,24 @@ void ResultSet::write(DCB* dcb)
mysql_send_eof(dcb, seqno);
}
json_t* ResultSet::get_json_value(const std::string& s)
{
json_t* js;
char* end;
long l = strtol(s.c_str(), &end, 10);
if (end != s.c_str() && *end == '\0')
{
js = json_integer(l);
}
else
{
js = json_string(s.c_str());
}
return js;
}
void ResultSet::write_as_json(DCB* dcb)
{
json_t* arr = json_array();
@ -218,7 +236,7 @@ void ResultSet::write_as_json(DCB* dcb)
for (size_t i = 0; i < row.size(); i++)
{
json_object_set_new(obj, m_columns[i].c_str(), json_string(row[i].c_str()));
json_object_set_new(obj, m_columns[i].c_str(), get_json_value(row[i]));
}
json_array_append_new(arr, obj);
@ -227,4 +245,6 @@ void ResultSet::write_as_json(DCB* dcb)
char* js = json_dumps(arr, JSON_INDENT(4));
dcb_printf(dcb, "%s", js);
MXS_FREE(js);
json_decref(arr);
}

15
server/core/session.cc
View File

@ -62,7 +62,7 @@ struct
uint64_t next_session_id;
uint32_t retain_last_statements;
session_dump_statements_t dump_statements;
uint32_t session_trace;
uint32_t session_trace;
} this_unit =
{
1,
@ -160,7 +160,6 @@ bool session_start(MXS_SESSION* session)
session->state = SESSION_STATE_STARTED;
mxb::atomic::add(&session->service->stats.n_sessions, 1, mxb::atomic::RELAXED);
mxb::atomic::add(&session->service->stats.n_current, 1, mxb::atomic::RELAXED);
MXS_INFO("Started %s client session [%" PRIu64 "] for '%s' from %s",
session->service->name(), session->ses_id,
@ -279,8 +278,6 @@ static void session_final_free(MXS_SESSION* ses)
session->state = SESSION_STATE_TO_BE_FREED;
mxb::atomic::add(&session->service->stats.n_current, -1, mxb::atomic::RELAXED);
if (session->client_dcb)
{
dcb_free_all_memory(session->client_dcb);
@ -1162,6 +1159,9 @@ Session::Session(const SListener& listener)
{
m_retain_last_statements = this_unit.retain_last_statements;
}
mxb::atomic::add(&service->stats.n_current, 1, mxb::atomic::RELAXED);
mxb_assert(service->stats.n_current >= 0);
}
Session::~Session()
@ -1176,6 +1176,9 @@ Session::~Session()
f.filter->obj->closeSession(f.instance, f.session);
f.filter->obj->freeSession(f.instance, f.session);
}
mxb::atomic::add(&service->stats.n_current, -1, mxb::atomic::RELAXED);
mxb_assert(service->stats.n_current >= 0);
}
void Session::set_client_dcb(DCB* dcb)
@ -1696,6 +1699,6 @@ void Session::dump_session_log()
log += s;
}
MXS_NOTICE("Session log for session (%" PRIu64"): \n%s ", ses_id, log.c_str());
MXS_NOTICE("Session log for session (%" PRIu64 "): \n%s ", ses_id, log.c_str());
}
}
}

2
server/core/test/CMakeLists.txt
View File

@ -1,4 +1,5 @@
add_executable(profile_trxboundaryparser profile_trxboundaryparser.cc)
add_executable(profile_get_canonical profile_get_canonical.cc)
add_executable(test_adminusers test_adminusers.cc)
add_executable(test_atomic test_atomic.cc)
add_executable(test_buffer test_buffer.cc)
@ -28,6 +29,7 @@ add_executable(test_utils test_utils.cc)
add_executable(test_session_track test_session_track.cc)
target_link_libraries(profile_trxboundaryparser maxscale-common)
target_link_libraries(profile_get_canonical maxscale-common)
target_link_libraries(test_adminusers maxscale-common)
target_link_libraries(test_atomic maxscale-common)
target_link_libraries(test_buffer maxscale-common)

46
server/core/test/profile_get_canonical.cc Normal file
View File

@ -0,0 +1,46 @@
/*
* Copyright (c) 2016 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2022-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#include <maxscale/ccdefs.hh>
#include <maxscale/modutil.hh>
#include <iostream>
#include <sstream>
#include <chrono>
using Clock = std::chrono::steady_clock;
using std::chrono::duration_cast;
using std::chrono::milliseconds;
int main(int argc, char* argv[])
{
int ITERATIONS = 10000000;
for (std::string line; std::getline(std::cin, line);)
{
GWBUF* buf = modutil_create_query(line.c_str());
auto start = Clock::now();
for (int i = 0; i < ITERATIONS; i++)
{
auto str = mxs::get_canonical(buf);
}
auto end = Clock::now();
gwbuf_free(buf);
std::cout << line << "\n"
<< duration_cast<milliseconds>(end - start).count() << "ms\n\n";
}
return 0;
}