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kio
README.md
- Committer:
- yonaetworks
- Date:
- 2021-08-05
- Revision:
- 0:29132844de96
File content as of revision 0:29132844de96:
# HTTP/HTTPS example for Mbed OS 5 This application demonstrates how to make HTTP and HTTPS requests and parse the response from Mbed OS 5. It consists of six demo's, which you can select in ``source/select-demo.h``. * HTTP demo: * Does a GET request to http://httpbin.org/status/418. * Does a POST request to http://httpbin.org/post. * HTTPS demo: * Does a GET request to https://os.mbed.com/media/uploads/mbed_official/hello.txt. * Does a POST request to https://httpbin.org/post. * HTTP demo with socket re-use. * HTTPS demo with socket re-use. * HTTP demo over IPv6. * HTTPS demo with chunked requests. Response parsing is done through [nodejs/http-parser](https://github.com/nodejs/http-parser). **Note:** HTTPS requests do not work on targets with less than 128K of RAM due to the size of the TLS handshake. For more background see [mbed-http](https://developer.mbed.org/teams/sandbox/code/mbed-http). ## To build 1. If you're using WiFi, specify the credentials in `mbed_app.json`. 1. Build the project in the online compiler or using Mbed CLI. 1. Flash the project to your development board. 1. Attach a serial monitor to your board to see the debug messages. ## Defining the network interface This application uses the on-board network interface for your board. If you use an external network interface (f.e. a WiFi module) you need to add the driver to this project. Then, open `network-helper.h` and specify which network driver to use. More information is in the Mbed OS documentation under [IP Networking](https://os.mbed.com/docs/latest/reference/ip-networking.html). ## Entropy (or lack thereof) On all platforms that do not have the `TRNG` feature, the application is compiled without TLS entropy sources. This means that your code is inherently unsafe and should not be deployed to any production systems. To enable entropy, remove the `MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES` and `MBEDTLS_TEST_NULL_ENTROPY` macros from mbed_app.json. ## Flash size Default flash size for HTTPS is very large, as the application is loading the default Mbed TLS configuration. To use a more optimized version, you can disable unused cypher suites and other Mbed TLS features with a custom configuration file. Create a new configuration file, then add in `mbed_app.json`: ``` "MBEDTLS_CONFIG_FILE=\"mbedtls_config.h\"" ``` to the `macros` array. ## Running tests You can run the integration tests from this project via Mbed CLI. 1. In `select-demo.h` set the `DEMO` macro to `DEMO_TESTS`. 1. Set your WiFi credentials in `mbed_app.json`. 1. Then run the tests via: ``` $ mbed test -v -n mbed-http-tests-tests-* ``` ## Tested on * K64F with Ethernet. * NUCLEO_F411RE with ESP8266. * ODIN-W2 with WiFi. * K64F with Atmel 6LoWPAN shield. * DISCO-L475VG-IOT01A with WiFi (requires the [wifi-ism43362](https://github.com/ARMmbed/wifi-ism43362/) driver). * [Mbed Simulator](https://github.com/janjongboom/mbed-simulator).