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Initial commit, create application
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‎.github/workflows/compile.yml

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# Example GitHub Actions workflow which provides a CI build for your Mbed CE project.
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name: Test that this Mbed project compiles
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on: push
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jobs:
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compile:
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runs-on: ubuntu-latest
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container: ghcr.io/armmbed/mbed-os-env:master-latest
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strategy:
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matrix:
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mbed_target:
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# Change the below to match the target you want to compile the project for.
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- LPC1768
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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with:
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submodules: recursive
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- name: Install python3-venv
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run: |
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apt-get update
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apt-get install -y python3-venv
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- name: Build project for ${{ matrix.mbed_target }}
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run: |
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mkdir build && cd build
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cmake .. -GNinja -DMBED_TARGET=${{ matrix.mbed_target }}
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ninja

‎.gitignore

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# CLion build dirs
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cmake-build-*/
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# User-specific CLion stuff
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.idea/**/workspace.xml
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.idea/**/tasks.xml
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.idea/**/usage.statistics.xml
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.idea/**/dictionaries
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.idea/**/shelf
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.idea/runConfigurations
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# Generated CLion files
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.idea/**/contentModel.xml
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# Sensitive or high-churn CLion files
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.idea/**/dataSources/
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.idea/**/dataSources.ids
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.idea/**/dataSources.local.xml
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.idea/**/sqlDataSources.xml
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.idea/**/dynamic.xml
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.idea/**/uiDesigner.xml
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.idea/**/dbnavigator.xml
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# Gradle
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.idea/**/gradle.xml
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.idea/**/libraries
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# VS Code build dir
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build/
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# VS Code config files
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.vscode/
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# Python stuff
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*.pyc
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# Mac stuff
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.DS_Store

‎.gitmodules

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[submodule "mbed-os"]
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path = mbed-os
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url = https://github.com/mbed-ce/mbed-os.git
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[submodule "mbed-http"]
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path = mbed-http
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url = https://github.com/mbed-ce-libraries-examples/mbed-http

‎CMakeLists.txt

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cmake_minimum_required(VERSION 3.19)
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cmake_policy(VERSION 3.19...3.22)
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set(MBED_APP_JSON_PATH mbed_app.json5)
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include(mbed-os/tools/cmake/mbed_toolchain_setup.cmake)
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project(mbed-http-server-example # here you can change your project name
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LANGUAGES C CXX ASM)
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include(mbed_project_setup)
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add_subdirectory(mbed-os)
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add_subdirectory(mbed-http)
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add_executable(${PROJECT_NAME} src/main.cpp)
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target_link_libraries(${PROJECT_NAME} mbed-os mbed-netsocket mbed-http)
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mbed_set_post_build(${PROJECT_NAME})

‎README.md

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# HTTP Server Example
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This project is a conversion of the [http webserver example](https://os.mbed.com/teams/sandbox/code/http-webserver-example/) by Jan Jongboom to Mbed CE.
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Note: As currently written, this project should work with any Mbed board that has an Ethernet connection. Support for wifi boards is also possible, but you will need to instantiate the wi-fi interface with the right credentials.
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## How to set up this project:
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1. Clone it to your machine. Don't forget to use `--recursive` to clone the submodules: `git clone --recursive https://github.com/mbed-ce-libraries-examples/mbed-http-server-example.git`
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2. Set up the GNU ARM toolchain (and other programs) on your machine using [the toolchain setup guide](https://github.com/mbed-ce/mbed-os/wiki/Toolchain-Setup-Guide).
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3. Set up the CMake project for editing. We have three ways to do this:
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- On the [command line](https://github.com/mbed-ce/mbed-os/wiki/Project-Setup:-Command-Line)
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- Using the [CLion IDE](https://github.com/mbed-ce/mbed-os/wiki/Project-Setup:-CLion)
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- Using the [VS Code IDE](https://github.com/mbed-ce/mbed-os/wiki/Project-Setup:-VS-Code)
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4. Build the `flash-mbed-http-server-example` target to upload the code to a connected device.

‎mbed-http

Submodule mbed-http added at b365dc2

‎mbed-os

Submodule mbed-os added at e420c07

‎mbed_app.json5

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{
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"target_overrides": {
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"*": {
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"platform.stdio-baud-rate": 115200,
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"platform.stdio-buffered-serial": 1,
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"mbed-http.http-buffer-size": 2048
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}
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}
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}

‎src/http_response_builder.h

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/*
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* PackageLicenseDeclared: Apache-2.0
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* Copyright (c) 2017 ARM Limited
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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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*
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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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*/
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#ifndef _MBED_HTTP_RESPONSE_BUILDER_
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#define _MBED_HTTP_RESPONSE_BUILDER_
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#include <string>
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#include <map>
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#include <cinttypes>
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#include "http_parser.h"
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#include "http_parsed_url.h"
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static const char* get_http_status_string(uint16_t status_code) {
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switch (status_code) {
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case 100: return "Continue";
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case 101: return "Switching Protocols";
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case 102: return "Processing";
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case 200: return "OK";
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case 201: return "Created";
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case 202: return "Accepted";
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case 203: return "Non-Authoritative Information";
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case 204: return "No Content";
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case 205: return "Reset Content";
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case 206: return "Partial Content";
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case 207: return "Multi-Status";
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case 208: return "Already Reported";
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case 226: return "IM Used";
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case 300: return "Multiple Choices";
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case 301: return "Moved Permanently";
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case 302: return "Found";
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case 303: return "See Other";
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case 304: return "Not Modified";
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case 305: return "Use Proxy";
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case 307: return "Temporary Redirect";
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case 308: return "Permanent Redirect";
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case 400: return "Bad Request";
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case 401: return "Unauthorized";
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case 402: return "Payment Required";
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case 403: return "Forbidden";
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case 404: return "Not Found";
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case 405: return "Method Not Allowed";
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case 406: return "Not Acceptable";
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case 407: return "Proxy Authentication Required";
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case 408: return "Request Timeout";
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case 409: return "Conflict";
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case 410: return "Gone";
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case 411: return "Length Required";
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case 412: return "Precondition Failed";
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case 413: return "Payload Too Large";
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case 414: return "URI Too Long";
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case 415: return "Unsupported Media Type";
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case 416: return "Range Not Satisfiable";
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case 417: return "Expectation Failed";
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case 421: return "Misdirected Request";
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case 422: return "Unprocessable Entity";
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case 423: return "Locked";
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case 424: return "Failed Dependency";
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case 426: return "Upgrade Required";
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case 428: return "Precondition Required";
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case 429: return "Too Many Requests";
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case 431: return "Request Header Fields Too Large";
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case 451: return "Unavailable For Legal Reasons";
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case 500: return "Internal Server Error";
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case 501: return "Not Implemented";
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case 502: return "Bad Gateway";
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case 503: return "Service Unavailable";
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case 504: return "Gateway Timeout";
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case 505: return "HTTP Version Not Supported";
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case 506: return "Variant Also Negotiates";
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case 507: return "Insufficient Storage";
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case 508: return "Loop Detected";
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case 510: return "Not Extended";
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case 511: return "Network Authentication Required";
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default : return "Unknown";
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}
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}
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class HttpResponseBuilder {
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public:
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HttpResponseBuilder(uint16_t a_status_code)
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: status_code(a_status_code), status_message(get_http_status_string(a_status_code))
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{
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}
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/**
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* Set a header for the request
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* If the key already exists, it will be overwritten...
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*/
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void set_header(string key, string value) {
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map<string, string>::iterator it = headers.find(key);
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if (it != headers.end()) {
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it->second = value;
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}
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else {
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headers.insert(headers.end(), pair<string, string>(key, value));
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}
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}
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char* build(const void* body, size_t body_size, size_t* size) {
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char buffer[10];
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snprintf(buffer, sizeof(buffer), "%d", body_size);
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set_header("Content-Length", string(buffer));
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char status_code_buffer[6];
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snprintf(status_code_buffer, sizeof(status_code_buffer), "%" PRIi16, status_code /* max 5 digits */);
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*size = 0;
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// first line is HTTP/1.1 200 OK\r\n
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*size += 8 + 1 + strlen(status_code_buffer) + 1 + strlen(status_message) + 2;
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// after that we'll do the headers
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typedef map<string, string>::iterator it_type;
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for(it_type it = headers.begin(); it != headers.end(); it++) {
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// line is KEY: VALUE\r\n
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*size += it->first.length() + 1 + 1 + it->second.length() + 2;
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}
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// then the body, first an extra newline
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*size += 2;
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// body
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*size += body_size;
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// Now let's print it
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char* res = (char*)calloc(*size + 1, 1);
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char* originalRes = res;
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res += sprintf(res, "HTTP/1.1 %s %s\r\n", status_code_buffer, status_message);
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typedef map<string, string>::iterator it_type;
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for(it_type it = headers.begin(); it != headers.end(); it++) {
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// line is KEY: VALUE\r\n
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res += sprintf(res, "%s: %s\r\n", it->first.c_str(), it->second.c_str());
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}
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res += sprintf(res, "\r\n");
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if (body_size > 0) {
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memcpy(res, body, body_size);
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}
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res += body_size;
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// Uncomment to debug...
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// printf("----- BEGIN RESPONSE -----\n");
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// printf("%s", originalRes);
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// printf("----- END RESPONSE -----\n");
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return originalRes;
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}
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nsapi_error_t send(TCPSocket* socket, const void* body, size_t body_size) {
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if (!socket) return NSAPI_ERROR_NO_SOCKET;
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size_t res_size;
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char* response = build(body, body_size, &res_size);
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nsapi_error_t r = socket->send(response, res_size);
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free(response);
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return r;
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}
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private:
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uint16_t status_code;
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const char* status_message;
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map<string, string> headers;
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};
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#endif // _MBED_HTTP_RESPONSE_BUILDER_

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