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author | ipknHama <ipknhama@gmail.com> | 2014-08-07 01:18:33 +0900 |
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committer | ipknHama <ipknhama@gmail.com> | 2014-08-07 01:18:33 +0900 |
commit | 031615ac866cc3c8f1900dd4b4aae2106ad31230 (patch) | |
tree | b8b7206ffbd2043368580ec269c97436929fe452 /examples | |
parent | a0c93f5b84cc11b30bc6320ac26127832ef8bf7a (diff) | |
download | crow-031615ac866cc3c8f1900dd4b4aae2106ad31230.tar.gz crow-031615ac866cc3c8f1900dd4b4aae2106ad31230.zip |
source resturcturing + CMake
Diffstat (limited to 'examples')
-rw-r--r-- | examples/CMakeLists.txt | 21 | ||||
-rw-r--r-- | examples/example.cpp | 77 | ||||
-rw-r--r-- | examples/example.py | 19 | ||||
-rw-r--r-- | examples/example_chat.cpp | 92 | ||||
-rw-r--r-- | examples/example_chat.html | 54 |
5 files changed, 263 insertions, 0 deletions
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt new file mode 100644 index 0000000..7313adf --- /dev/null +++ b/examples/CMakeLists.txt @@ -0,0 +1,21 @@ +cmake_minimum_required(VERSION 2.8) +project (crow_examples) + +add_executable(example example.cpp) +target_link_libraries(example crow) +target_link_libraries(example ${Boost_LIBRARIES} ) +set_target_properties(example PROPERTIES COMPILE_FLAGS "-Wall -std=c++1y") + +add_executable(example_chat example_chat.cpp) +target_link_libraries(example_chat crow) +target_link_libraries(example_chat ${Boost_LIBRARIES} ) +set_target_properties(example_chat PROPERTIES COMPILE_FLAGS "-Wall -std=c++1y") +message(${CMAKE_CURRENT_BINARY_DIR}) +message(${PROJECT_SOURCE_DIR}) +add_custom_command(OUTPUT example_chat.html + #TARGET example_chat + COMMAND ${CMAKE_COMMAND} -E + copy ${PROJECT_SOURCE_DIR}/example_chat.html ${CMAKE_CURRENT_BINARY_DIR}/example_chat.html + DEPENDS ${PROJECT_SOURCE_DIR}/example_chat.html + ) +add_custom_target(example_chat_copy ALL DEPENDS example_chat.html) diff --git a/examples/example.cpp b/examples/example.cpp new file mode 100644 index 0000000..f21a7d6 --- /dev/null +++ b/examples/example.cpp @@ -0,0 +1,77 @@ +#include "crow.h" +#include "json.h" + +#include <sstream> + +class ExampleLogHandler : public crow::ILogHandler { + public: + void log(string message, crow::LogLevel level) override { + cerr << "ExampleLogHandler -> " << message; + } +}; + +int main() +{ + crow::Crow app; + + CROW_ROUTE(app, "/") + .name("hello") + ([]{ + return "Hello World!"; + }); + + CROW_ROUTE(app, "/about") + ([](){ + return "About Crow example."; + }); + + // simple json response + CROW_ROUTE(app, "/json") + ([]{ + crow::json::wvalue x; + x["message"] = "Hello, World!"; + return x; + }); + + CROW_ROUTE(app,"/hello/<int>") + ([](int count){ + if (count > 100) + return crow::response(400); + std::ostringstream os; + os << count << " bottles of beer!"; + return crow::response(os.str()); + }); + + CROW_ROUTE(app,"/add/<int>/<int>") + ([](const crow::request& req, crow::response& res, int a, int b){ + std::ostringstream os; + os << a+b; + res.write(os.str()); + res.end(); + }); + + // Compile error with message "Handler type is mismatched with URL paramters" + //CROW_ROUTE(app,"/another/<int>") + //([](int a, int b){ + //return crow::response(500); + //}); + + // more json example + CROW_ROUTE(app, "/add_json") + ([](const crow::request& req){ + auto x = crow::json::load(req.body); + if (!x) + return crow::response(400); + int sum = x["a"].i()+x["b"].i(); + std::ostringstream os; + os << sum; + return crow::response{os.str()}; + }); + + //crow::logger::setLogLevel(LogLevel::INFO); + //crow::logger::setHandler(std::make_shared<ExampleLogHandler>()); + + app.port(18080) + .multithreaded() + .run(); +} diff --git a/examples/example.py b/examples/example.py new file mode 100644 index 0000000..1fd8fcd --- /dev/null +++ b/examples/example.py @@ -0,0 +1,19 @@ +from flask import Flask +app = Flask(__name__) + +@app.route("/") +def hello(): + return "Hello World!" + +@app.route("/about/<path:path>/hello") +def hello1(path): + return "about1" + +@app.route("/about") +def hello2(): + return "about2" + +print app.url_map + +if __name__ == "__main__": + app.run(host="0.0.0.0", port=8888) diff --git a/examples/example_chat.cpp b/examples/example_chat.cpp new file mode 100644 index 0000000..b12926a --- /dev/null +++ b/examples/example_chat.cpp @@ -0,0 +1,92 @@ +#include "crow.h" +#include "json.h" +#include "mustache.h" +#include <string> +#include <vector> +#include <chrono> + +using namespace std; + +vector<string> msgs; +vector<pair<crow::response*, decltype(chrono::steady_clock::now())>> ress; + +void broadcast(const string& msg) +{ + msgs.push_back(msg); + crow::json::wvalue x; + x["msgs"][0] = msgs.back(); + x["last"] = msgs.size(); + string body = crow::json::dump(x); + for(auto p:ress) + { + auto* res = p.first; + CROW_LOG_DEBUG << res << " replied: " << body; + res->end(body); + } + ress.clear(); +} + +int main() +{ + crow::App app; + crow::mustache::set_base("."); + + CROW_ROUTE(app, "/") + ([]{ + crow::mustache::context ctx; + return crow::mustache::load("example_chat.html").render(); + }); + + CROW_ROUTE(app, "/logs") + ([]{ + CROW_LOG_INFO << "logs requested"; + crow::json::wvalue x; + int start = max(0, (int)msgs.size()-100); + for(int i = start; i < (int)msgs.size(); i++) + x["msgs"][i-start] = msgs[i]; + x["last"] = msgs.size(); + CROW_LOG_INFO << "logs completed"; + return x; + }); + + CROW_ROUTE(app, "/logs/<int>") + ([](const crow::request& req, crow::response& res, int after){ + CROW_LOG_INFO << "logs with last " << after; + if (after < (int)msgs.size()) + { + crow::json::wvalue x; + for(int i = after; i < (int)msgs.size(); i ++) + x["msgs"][i-after] = msgs[i]; + x["last"] = msgs.size(); + + res.write(crow::json::dump(x)); + res.end(); + } + else + { + vector<pair<crow::response*, decltype(chrono::steady_clock::now())>> filtered; + for(auto p : ress) + { + if (p.first->is_alive() && chrono::steady_clock::now() - p.second < chrono::seconds(30)) + filtered.push_back(p); + else + p.first->end(); + } + ress.swap(filtered); + ress.push_back({&res, chrono::steady_clock::now()}); + CROW_LOG_DEBUG << &res << " stored " << ress.size(); + } + }); + + CROW_ROUTE(app, "/send") + ([](const crow::request& req) + { + CROW_LOG_INFO << "msg from client: " << req.body; + broadcast(req.body); + return ""; + }); + + app.port(40080) + //.multithreaded() + .run(); +} diff --git a/examples/example_chat.html b/examples/example_chat.html new file mode 100644 index 0000000..233e093 --- /dev/null +++ b/examples/example_chat.html @@ -0,0 +1,54 @@ +<html> +<head> +<script src="//code.jquery.com/jquery-1.11.0.min.js"></script> +</head> +<body> +<input id="msg" type="text"> +<button id="send">Send</button> +<div id="logs"> +</div> +<script> +$(document).ready(function(){ + $("#send").click(function(){ + var msg = $("#msg").val(); + console.log(msg); + if (msg.length > 0) + $.post("/send", msg); + $("#msg").val(""); + }); + $("#msg").keyup(function(event){ + if(event.keyCode == 13){ + $("#send").click(); + } + }); + var lastLog = 0; + var updateLog; + updateLog = function(data) + { + console.log("recv "); + console.log(data); + var lastLog = data.last*1; + console.log("lastLog: " + lastLog); + var s = ""; + function htmlEncode(s) + { + return s.replace(/&(?!\w+([;\s]|$))/g, "&") + .replace(/</g, "<").replace(/>/g, ">"); + } + for(var x in data.msgs) + { + + s = htmlEncode(data.msgs[x]) + "<BR>" + s; + } + $("#logs").html(s+$("#logs").html()); + var failFunction; + failFunction = function(){ + $.getJSON("/logs/"+lastLog, updateLog).fail(failFunction); + }; + $.getJSON("/logs/"+lastLog, updateLog).fail(failFunction); + } + $.getJSON("/logs", updateLog); +}); +</script> +</body> +</html> |