e1f982921a
tcp-transport component did not support wait forever. this update uses value of -1 to request this state. websocket client uses timeouts in RTOS ticks. fixed recalculation to ms (including special value of -1) to use correctly tcp-transport component Closes https://github.com/espressif/esp-idf/issues/4316
49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
// Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _ESP_TRANSPORT_UTILS_H_
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#define _ESP_TRANSPORT_UTILS_H_
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#include <sys/time.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Utility macro to be used for NULL ptr check after malloc
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*
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*/
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#define ESP_TRANSPORT_MEM_CHECK(TAG, a, action) if (!(a)) { \
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ESP_LOGE(TAG,"%s:%d (%s): %s", __FILE__, __LINE__, __FUNCTION__, "Memory exhausted"); \
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action; \
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}
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/**
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* @brief Convert milliseconds to timeval struct for valid timeouts, otherwise
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* (if "wait forever" requested by timeout_ms=-1) timeval structure is not updated and NULL returned
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*
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* @param[in] timeout_ms The timeout value in milliseconds or -1 to waiting forever
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* @param[out] tv Pointer to timeval struct
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*
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* @return
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* - NULL if timeout_ms=-1 (wait forever)
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* - pointer to the updated timeval structure (provided as "tv" argument) with recalculated timeout value
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*/
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struct timeval* esp_transport_utils_ms_to_timeval(int timeout_ms, struct timeval *tv);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ESP_TRANSPORT_UTILS_H_ */ |