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srsRAN_4G
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use references rather than pointers

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master
Francisco Paisana 5 years ago committed by Francisco Paisana
parent a88bffa5d5
commit a2b76a4a5f
7 changed files with 60 additions and 53 deletions
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12
lib/include/srslte/common/block_queue.h
Unescape Escape View File

@ -29,6 +29,7 @@
#ifndef SRSLTE_BLOCK_QUEUE_H
#define SRSLTE_BLOCK_QUEUE_H
#include "srslte/common/expected.h"
#include <memory>
#include <pthread.h>
#include <queue>
@ -93,7 +94,7 @@ public:
bool try_push(const myobj& value) { return push_(value, false); }
std::pair<bool, myobj> try_push(myobj&& value) { return push_(std::move(value), false); }
srslte::expected<bool, myobj> try_push(myobj&& value) { return push_(std::move(value), false); }
bool try_pop(myobj* value) { return pop_(value, false); }
@ -159,7 +160,6 @@ private:
bool check_queue_space_unlocked(bool block)
{
num_threads++;
bool ret = false;
if (capacity > 0) {
if (block) {
while (q.size() >= (uint32_t)capacity && enable) {
@ -178,10 +178,10 @@ private:
return true;
}
std::pair<bool, myobj> push_(myobj&& value, bool block)
srslte::expected<bool, myobj> push_(myobj&& value, bool block)
{
if (!enable) {
return std::make_pair(false, std::move(value));
return std::move(value);
}
pthread_mutex_lock(&mutex);
bool ret = check_queue_space_unlocked(block);
@ -190,10 +190,12 @@ private:
mutexed_callback->pushing(value);
}
q.push(std::move(value));
pthread_mutex_unlock(&mutex);
pthread_cond_signal(&cv_empty);
return true;
}
pthread_mutex_unlock(&mutex);
return std::make_pair(ret, std::move(value));
return std::move(value);
}
bool push_(const myobj& value, bool block)

26
lib/include/srslte/common/expected.h
Unescape Escape View File

@ -26,8 +26,6 @@
namespace srslte {
enum class error : uint8_t { success, error };
struct default_error_t {
};
@ -38,17 +36,17 @@ public:
expected() : has_val(true), val(T{}) {}
expected(T&& t) : has_val(true), val(std::forward<T>(t)) {}
expected(E&& e) : has_val(false), unexpected(std::forward<E>(e)) {}
expected(const expected& other) : has_val(other.has_val)
expected(const expected& other)
{
if (has_val) {
if (other.has_val) {
construct_val(other.val);
} else {
construct_error(other.unexpected);
}
}
expected(expected&& other) noexcept : has_val(other.has_val)
expected(expected&& other) noexcept
{
if (has_val) {
if (other.has_val) {
construct_val(std::move(other.val));
} else {
construct_error(std::move(other.unexpected));
@ -105,12 +103,16 @@ public:
unexpected = std::forward<U>(other);
}
}
operator bool() const { return has_value(); }
bool has_value() const { return has_val; }
T* value() { return has_val ? &val : nullptr; }
const T* value() const { return has_val ? &val : nullptr; }
E* error() { return has_val ? nullptr : &unexpected; }
const E* error() const { return has_val ? nullptr : &unexpected; }
operator bool() const { return has_value(); }
bool has_value() const { return has_val; }
const T& value() const& { return val; }
T& value() & { return val; }
T&& value() && { return std::move(val); }
const T&& value() const&& { return std::move(val); }
const E& error() const& { return unexpected; }
E& error() & { return unexpected; }
E&& error() && { return std::move(unexpected); }
const E&& error() const&& { return std::move(unexpected); }
void swap(expected& other) noexcept
{

5
lib/include/srslte/upper/rlc_tx_queue.h
Unescape Escape View File

@ -56,7 +56,10 @@ public:
}
void write(unique_byte_buffer_t msg) { queue.push(std::move(msg)); }
std::pair<bool, unique_byte_buffer_t> try_write(unique_byte_buffer_t&& msg) { return queue.try_push(std::move(msg)); }
srslte::expected<bool, unique_byte_buffer_t> try_write(unique_byte_buffer_t&& msg)
{
return queue.try_push(std::move(msg));
}
unique_byte_buffer_t read() { return queue.wait_pop(); }

14
lib/src/upper/rlc_am_lte.cc
Unescape Escape View File

@ -354,19 +354,19 @@ void rlc_am_lte::rlc_am_lte_tx::write_sdu(unique_byte_buffer_t sdu, bool blockin
tx_sdu_queue.write(std::move(sdu));
} else {
// non-blocking write
uint8_t* msg_ptr = sdu->msg;
uint32_t nof_bytes = sdu->N_bytes;
std::pair<bool, unique_byte_buffer_t> ret = tx_sdu_queue.try_write(std::move(sdu));
if (ret.first) {
uint8_t* msg_ptr = sdu->msg;
uint32_t nof_bytes = sdu->N_bytes;
srslte::expected<bool, unique_byte_buffer_t> ret = tx_sdu_queue.try_write(std::move(sdu));
if (ret) {
log->info_hex(
msg_ptr, nof_bytes, "%s Tx SDU (%d B, tx_sdu_queue_len=%d)\n", RB_NAME, nof_bytes, tx_sdu_queue.size());
} else {
// in case of fail, the try_write returns back the sdu
log->info_hex(ret.second->msg,
ret.second->N_bytes,
log->info_hex(ret.error()->msg,
ret.error()->N_bytes,
"[Dropped SDU] %s Tx SDU (%d B, tx_sdu_queue_len=%d)\n",
RB_NAME,
ret.second->N_bytes,
ret.error()->N_bytes,
tx_sdu_queue.size());
}
}

12
lib/src/upper/rlc_tm.cc
Unescape Escape View File

@ -97,10 +97,10 @@ void rlc_tm::write_sdu(unique_byte_buffer_t sdu, bool blocking)
ul_queue.size_bytes());
ul_queue.write(std::move(sdu));
} else {
uint8_t* msg_ptr = sdu->msg;
uint32_t nof_bytes = sdu->N_bytes;
std::pair<bool, unique_byte_buffer_t> ret = ul_queue.try_write(std::move(sdu));
if (ret.first) {
uint8_t* msg_ptr = sdu->msg;
uint32_t nof_bytes = sdu->N_bytes;
srslte::expected<bool, unique_byte_buffer_t> ret = ul_queue.try_write(std::move(sdu));
if (ret) {
log->info_hex(msg_ptr,
nof_bytes,
"%s Tx SDU, queue size=%d, bytes=%d",
@ -108,8 +108,8 @@ void rlc_tm::write_sdu(unique_byte_buffer_t sdu, bool blocking)
ul_queue.size(),
ul_queue.size_bytes());
} else {
log->info_hex(ret.second->msg,
ret.second->N_bytes,
log->info_hex(ret.error()->msg,
ret.error()->N_bytes,
"[Dropped SDU] %s Tx SDU, queue size=%d, bytes=%d",
rrc->get_rb_name(lcid).c_str(),
ul_queue.size(),

14
lib/src/upper/rlc_um_base.cc
Unescape Escape View File

@ -254,18 +254,18 @@ void rlc_um_base::rlc_um_base_tx::write_sdu(unique_byte_buffer_t sdu)
void rlc_um_base::rlc_um_base_tx::try_write_sdu(unique_byte_buffer_t sdu)
{
if (sdu) {
uint8_t* msg_ptr = sdu->msg;
uint32_t nof_bytes = sdu->N_bytes;
std::pair<bool, unique_byte_buffer_t> ret = tx_sdu_queue.try_write(std::move(sdu));
if (ret.first) {
uint8_t* msg_ptr = sdu->msg;
uint32_t nof_bytes = sdu->N_bytes;
srslte::expected<bool, unique_byte_buffer_t> ret = tx_sdu_queue.try_write(std::move(sdu));
if (ret) {
log->info_hex(
msg_ptr, nof_bytes, "%s Tx SDU (%d B, tx_sdu_queue_len=%d)", rb_name.c_str(), nof_bytes, tx_sdu_queue.size());
} else {
log->info_hex(ret.second->msg,
ret.second->N_bytes,
log->info_hex(ret.error()->msg,
ret.error()->N_bytes,
"[Dropped SDU] %s Tx SDU (%d B, tx_sdu_queue_len=%d)",
rb_name.c_str(),
ret.second->N_bytes,
ret.error()->N_bytes,
tx_sdu_queue.size());
}
} else {

30
lib/test/common/expected_test.cc
Unescape Escape View File

@ -30,7 +30,7 @@ int test_expected_trivial()
exp = 5;
TESTASSERT(exp.has_value());
TESTASSERT(*exp.value() == 5);
TESTASSERT(exp.value() == 5);
TESTASSERT(exp);
exp.set_error(srslte::default_error_t{});
@ -40,7 +40,7 @@ int test_expected_trivial()
int i = 2;
exp = i;
TESTASSERT(exp);
TESTASSERT(*exp.value() == 2);
TESTASSERT(exp.value() == 2);
exp.set_error();
TESTASSERT(not exp);
@ -48,12 +48,12 @@ int test_expected_trivial()
exp = 3;
{
srslte::expected<int> exp2 = exp;
TESTASSERT(exp2 and *exp2.value() == 3);
TESTASSERT(exp2 and exp2.value() == 3);
srslte::expected<int> exp3;
exp3 = exp2;
TESTASSERT(exp3 and *exp3.value() == 3);
TESTASSERT(exp3 and exp3.value() == 3);
}
TESTASSERT(exp and *exp.value() == 3);
TESTASSERT(exp and exp.value() == 3);
exp.set_error();
{
@ -102,25 +102,25 @@ int test_expected_struct()
{
srslte::expected<C, int> exp;
exp = C{5};
TESTASSERT(exp and exp.value()->val == 5);
TESTASSERT(exp and exp.value().val == 5);
TESTASSERT(C::count == 1);
{
auto exp2 = exp;
TESTASSERT(exp2 and exp2.value()->val == 5);
TESTASSERT(exp2 and exp2.value().val == 5);
TESTASSERT(C::count == 2);
}
TESTASSERT(exp and exp.value()->val == 5);
TESTASSERT(exp and exp.value().val == 5);
TESTASSERT(C::count == 1);
{
auto exp2 = std::move(exp);
TESTASSERT(exp2 and exp2.value()->val == 5);
TESTASSERT(exp and exp.value()->val == 0);
TESTASSERT(exp2 and exp2.value().val == 5);
TESTASSERT(exp and exp.value().val == 0);
}
exp.set_error(2);
TESTASSERT(not exp and *exp.error() == 2);
TESTASSERT(not exp and exp.error() == 2);
return SRSLTE_SUCCESS;
}
@ -129,13 +129,13 @@ int test_unique_ptr()
{
srslte::expected<std::unique_ptr<C> > exp;
TESTASSERT(exp);
exp.value()->reset(new C{2});
TESTASSERT(exp.value()->get()->val == 2);
exp.value().reset(new C{2});
TESTASSERT(exp.value()->val == 2);
{
auto exp2 = std::move(exp);
TESTASSERT(exp.value()->get() == nullptr);
TESTASSERT(exp2 and exp2.value()->get()->val == 2);
TESTASSERT(exp.value() == nullptr);
TESTASSERT(exp2 and exp2.value()->val == 2);
}
return SRSLTE_SUCCESS;

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