Changed set_file_content to accept only a regular file path.
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This commit is contained in:
yhirose 2024-09-09 19:59:18 -04:00
parent 3f2922b3fa
commit 7ab9c119ef
3 changed files with 90 additions and 91 deletions

164
README.md
View file

@ -97,37 +97,33 @@ int main(void)
Server svr;
svr.Get("/hi", [](const Request& req, Response& res) {
svr.Get("/hi", [](const Request &req, Response &res) {
res.set_content("Hello World!", "text/plain");
});
// Match the request path against a regular expression
// and extract its captures
svr.Get(R"(/numbers/(\d+))", [&](const Request& req, Response& res) {
svr.Get(R"(/numbers/(\d+))", [&](const Request &req, Response &res) {
auto numbers = req.matches[1];
res.set_content(numbers, "text/plain");
});
// Capture the second segment of the request path as "id" path param
svr.Get("/users/:id", [&](const Request& req, Response& res) {
svr.Get("/users/:id", [&](const Request &req, Response &res) {
auto user_id = req.path_params.at("id");
res.set_content(user_id, "text/plain");
});
// Extract values from HTTP headers and URL query params
svr.Get("/body-header-param", [](const Request& req, Response& res) {
svr.Get("/body-header-param", [](const Request &req, Response &res) {
if (req.has_header("Content-Length")) {
auto val = req.get_header_value("Content-Length");
}
if (req.has_param("key")) {
auto val = req.get_param_value("key");
}
if (req.has_param("key")) { auto val = req.get_param_value("key"); }
res.set_content(req.body, "text/plain");
});
svr.Get("/stop", [&](const Request& req, Response& res) {
svr.stop();
});
svr.Get("/stop", [&](const Request &req, Response &res) { svr.stop(); });
svr.listen("localhost", 1234);
}
@ -276,7 +272,7 @@ svr.set_post_routing_handler([](const auto& req, auto& res) {
svr.Post("/multipart", [&](const auto& req, auto& res) {
auto size = req.files.size();
auto ret = req.has_file("name1");
const auto& file = req.get_file_value("name1");
const auto &file = req.get_file_value("name1");
// file.filename;
// file.content_type;
// file.content;
@ -288,10 +284,10 @@ svr.Post("/multipart", [&](const auto& req, auto& res) {
```cpp
svr.Post("/content_receiver",
[&](const Request &req, Response &res, const ContentReader &content_reader) {
if (req.is_multipart_form_data()) {
// NOTE: `content_reader` is blocking until every form data field is read
MultipartFormDataItems files;
content_reader(
if (req.is_multipart_form_data()) {
// NOTE: `content_reader` is blocking until every form data field is read
MultipartFormDataItems files;
content_reader(
[&](const MultipartFormData &file) {
files.push_back(file);
return true;
@ -300,13 +296,13 @@ svr.Post("/content_receiver",
files.back().content.append(data, data_length);
return true;
});
} else {
std::string body;
content_reader([&](const char *data, size_t data_length) {
body.append(data, data_length);
return true;
});
}
} else {
std::string body;
content_reader([&](const char *data, size_t data_length) {
body.append(data, data_length);
return true;
});
}
});
```
@ -319,14 +315,14 @@ svr.Get("/stream", [&](const Request &req, Response &res) {
auto data = new std::string("abcdefg");
res.set_content_provider(
data->size(), // Content length
"text/plain", // Content type
[&, data](size_t offset, size_t length, DataSink &sink) {
const auto &d = *data;
sink.write(&d[offset], std::min(length, DATA_CHUNK_SIZE));
return true; // return 'false' if you want to cancel the process.
},
[data](bool success) { delete data; });
data->size(), // Content length
"text/plain", // Content type
[&, data](size_t offset, size_t length, DataSink &sink) {
const auto &d = *data;
sink.write(&d[offset], std::min(length, DATA_CHUNK_SIZE));
return true; // return 'false' if you want to cancel the process.
},
[data](bool success) { delete data; });
});
```
@ -335,17 +331,17 @@ Without content length:
```cpp
svr.Get("/stream", [&](const Request &req, Response &res) {
res.set_content_provider(
"text/plain", // Content type
[&](size_t offset, DataSink &sink) {
if (/* there is still data */) {
std::vector<char> data;
// prepare data...
sink.write(data.data(), data.size());
} else {
sink.done(); // No more data
}
return true; // return 'false' if you want to cancel the process.
});
"text/plain", // Content type
[&](size_t offset, DataSink &sink) {
if (/* there is still data */) {
std::vector<char> data;
// prepare data...
sink.write(data.data(), data.size());
} else {
sink.done(); // No more data
}
return true; // return 'false' if you want to cancel the process.
});
});
```
@ -354,15 +350,13 @@ svr.Get("/stream", [&](const Request &req, Response &res) {
```cpp
svr.Get("/chunked", [&](const Request& req, Response& res) {
res.set_chunked_content_provider(
"text/plain",
[](size_t offset, DataSink &sink) {
sink.write("123", 3);
sink.write("345", 3);
sink.write("789", 3);
sink.done(); // No more data
return true; // return 'false' if you want to cancel the process.
}
);
"text/plain", [](size_t offset, DataSink &sink) {
sink.write("123", 3);
sink.write("345", 3);
sink.write("789", 3);
sink.done(); // No more data
return true; // return 'false' if you want to cancel the process.
});
});
```
@ -371,24 +365,21 @@ With trailer:
```cpp
svr.Get("/chunked", [&](const Request& req, Response& res) {
res.set_header("Trailer", "Dummy1, Dummy2");
res.set_chunked_content_provider(
"text/plain",
[](size_t offset, DataSink &sink) {
sink.write("123", 3);
sink.write("345", 3);
sink.write("789", 3);
sink.done_with_trailer({
{"Dummy1", "DummyVal1"},
{"Dummy2", "DummyVal2"}
});
return true;
}
);
res.set_chunked_content_provider("text/plain", [](size_t offset,
DataSink &sink) {
sink.write("123", 3);
sink.write("345", 3);
sink.write("789", 3);
sink.done_with_trailer({{"Dummy1", "DummyVal1"}, {"Dummy2", "DummyVal2"}});
return true;
});
});
```
### Send file content
We can set a file path for the response body. It's a user's responsibility to pass a valid regular file path. If the path doesn't exist, or a directory path, cpp-httplib throws an exception.
```cpp
svr.Get("/content", [&](const Request &req, Response &res) {
res.set_file_content("./path/to/conent.html");
@ -452,7 +443,8 @@ Please see [Server example](https://github.com/yhirose/cpp-httplib/blob/master/e
If you want to set the thread count at runtime, there is no convenient way... But here is how.
```cpp
svr.new_task_queue = [] { return new ThreadPool(12); };
svr.new_task_queue = [] {
return new ThreadPool(12); };
```
You can also provide an optional parameter to limit the maximum number
@ -460,7 +452,8 @@ of pending requests, i.e. requests `accept()`ed by the listener but
still waiting to be serviced by worker threads.
```cpp
svr.new_task_queue = [] { return new ThreadPool(/*num_threads=*/12, /*max_queued_requests=*/18); };
svr.new_task_queue = [] {
return new ThreadPool(/*num_threads=*/12, /*max_queued_requests=*/18); };
```
Default limit is 0 (unlimited). Once the limit is reached, the listener
@ -473,9 +466,7 @@ You can supply your own thread pool implementation according to your need.
```cpp
class YourThreadPoolTaskQueue : public TaskQueue {
public:
YourThreadPoolTaskQueue(size_t n) {
pool_.start_with_thread_count(n);
}
YourThreadPoolTaskQueue(size_t n) { pool_.start_with_thread_count(n); }
virtual bool enqueue(std::function<void()> fn) override {
/* Return true if the task was actually enqueued, or false
@ -483,9 +474,7 @@ public:
return pool_.enqueue(fn);
}
virtual void shutdown() override {
pool_.shutdown_gracefully();
}
virtual void shutdown() override { pool_.shutdown_gracefully(); }
private:
YourThreadPool pool_;
@ -648,8 +637,8 @@ std::string body;
auto res = cli.Get("/large-data",
[&](const char *data, size_t data_length) {
body.append(data, data_length);
return true;
body.append(data, data_length);
return true;
});
```
@ -659,12 +648,12 @@ std::string body;
auto res = cli.Get(
"/stream", Headers(),
[&](const Response &response) {
EXPECT_EQ(StatusCode::OK_200, response.status);
return true; // return 'false' if you want to cancel the request.
EXPECT_EQ(StatusCode::OK_200, response.status);
return true; // return 'false' if you want to cancel the request.
},
[&](const char *data, size_t data_length) {
body.append(data, data_length);
return true; // return 'false' if you want to cancel the request.
body.append(data, data_length);
return true; // return 'false' if you want to cancel the request.
});
```
@ -676,8 +665,8 @@ std::string body = ...;
auto res = cli.Post(
"/stream", body.size(),
[](size_t offset, size_t length, DataSink &sink) {
sink.write(body.data() + offset, length);
return true; // return 'false' if you want to cancel the request.
sink.write(body.data() + offset, length);
return true; // return 'false' if you want to cancel the request.
},
"text/plain");
```
@ -688,11 +677,11 @@ auto res = cli.Post(
auto res = cli.Post(
"/stream",
[](size_t offset, DataSink &sink) {
sink.os << "chunked data 1";
sink.os << "chunked data 2";
sink.os << "chunked data 3";
sink.done();
return true; // return 'false' if you want to cancel the request.
sink.os << "chunked data 1";
sink.os << "chunked data 2";
sink.os << "chunked data 3";
sink.done();
return true; // return 'false' if you want to cancel the request.
},
"text/plain");
```
@ -704,9 +693,8 @@ httplib::Client cli(url, port);
// prints: 0 / 000 bytes => 50% complete
auto res = cli.Get("/", [](uint64_t len, uint64_t total) {
printf("%lld / %lld bytes => %d%% complete\n",
len, total,
(int)(len*100/total));
printf("%lld / %lld bytes => %d%% complete\n", len, total,
(int)(len * 100 / total));
return true; // return 'false' if you want to cancel the request.
}
);
@ -904,8 +892,8 @@ g++ 4.8 and below cannot build this library since `<regex>` in the versions are
Include `httplib.h` before `Windows.h` or include `Windows.h` by defining `WIN32_LEAN_AND_MEAN` beforehand.
```cpp
#include <httplib.h>
#include <Windows.h>
#include <httplib.h>
```
```cpp

View file

@ -5752,12 +5752,21 @@ inline void Response::set_chunked_content_provider(
inline void Response::set_file_content(const std::string &path,
const std::string &content_type) {
file_content_path_ = path;
file_content_content_type_ = content_type;
detail::FileStat stat(dir);
if (stat.is_file(path)) {
file_content_path_ = path;
file_content_content_type_ = content_type;
return;
}
#ifndef CPPHTTPLIB_NO_EXCEPTIONS
std::string msg = "'" + path + "' is not a regular file.";
throw std::invalid_argument(msg);
#endif
}
inline void Response::set_file_content(const std::string &path) {
file_content_path_ = path;
return set_file_content(path, std::string());
}
// Result implementation

View file

@ -2288,6 +2288,8 @@ protected:
{
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
cli_.enable_server_certificate_verification(false);
#else
#error no ssl
#endif
}