You've already forked cpp-httplib
Add New Streaming API support
This commit is contained in:
yhirose
4
.gitignore
vendored
4
.gitignore
vendored
@@ -16,7 +16,11 @@ example/benchmark
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example/redirect
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example/redirect
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!example/redirect.*
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!example/redirect.*
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example/ssecli
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example/ssecli
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!example/ssecli.*
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example/ssecli-stream
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!example/ssecli-stream.*
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example/ssesvr
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example/ssesvr
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!example/ssesvr.*
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example/upload
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example/upload
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!example/upload.*
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!example/upload.*
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example/one_time_request
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example/one_time_request
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315
README-stream.md
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315
README-stream.md
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@@ -0,0 +1,315 @@
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# cpp-httplib Streaming API
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This document describes the streaming extensions for cpp-httplib, providing an iterator-style API for handling HTTP responses incrementally with **true socket-level streaming**.
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> **Important Notes**:
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>
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> - **No Keep-Alive**: Each `stream::Get()` call uses a dedicated connection that is closed after the response is fully read. For connection reuse, use `Client::Get()`.
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> - **Single iteration only**: The `next()` method can only iterate through the body once.
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> - **Result is not thread-safe**: While `stream::Get()` can be called from multiple threads simultaneously, the returned `stream::Result` must be used from a single thread only.
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## Overview
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The streaming API allows you to process HTTP response bodies chunk by chunk using an iterator-style pattern. Data is read directly from the network socket, enabling low-memory processing of large responses. This is particularly useful for:
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- **LLM/AI streaming responses** (e.g., ChatGPT, Claude, Ollama)
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- **Server-Sent Events (SSE)**
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- **Large file downloads** with progress tracking
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- **Reverse proxy implementations**
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## Quick Start
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```cpp
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#include "httplib.h"
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int main() {
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httplib::Client cli("http://localhost:8080");
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// Get streaming response
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auto result = httplib::stream::Get(cli, "/stream");
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if (result) {
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// Process response body in chunks
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while (result.next()) {
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std::cout.write(result.data(), result.size());
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}
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}
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return 0;
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}
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```
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## API Layers
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cpp-httplib provides multiple API layers for different use cases:
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```text
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┌─────────────────────────────────────────────┐
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│ SSEClient (planned) │ ← SSE-specific, parsed events
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│ - on_message(), on_event() │
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│ - Auto-reconnect, Last-Event-ID │
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├─────────────────────────────────────────────┤
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│ stream::Get() / stream::Result │ ← Iterator-based streaming
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│ - while (result.next()) { ... } │
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├─────────────────────────────────────────────┤
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│ open_stream() / StreamHandle │ ← General-purpose streaming
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│ - handle.read(buf, len) │
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├─────────────────────────────────────────────┤
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│ Client::Get() │ ← Traditional, full buffering
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└─────────────────────────────────────────────┘
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```
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| Use Case | Recommended API |
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|----------|----------------|
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| SSE with auto-reconnect | SSEClient (planned) or `ssecli-stream.cc` example |
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| LLM streaming (JSON Lines) | `stream::Get()` |
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| Large file download | `stream::Get()` or `open_stream()` |
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| Reverse proxy | `open_stream()` |
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| Small responses with Keep-Alive | `Client::Get()` |
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## API Reference
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### Low-Level API: `StreamHandle`
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The `StreamHandle` struct provides direct control over streaming responses. It takes ownership of the socket connection and reads data directly from the network.
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> **Note:** When using `open_stream()`, the connection is dedicated to streaming and **Keep-Alive is not supported**. For Keep-Alive connections, use `client.Get()` instead.
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```cpp
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// Open a stream (takes ownership of socket)
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httplib::Client cli("http://localhost:8080");
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auto handle = cli.open_stream("/path");
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// Check validity
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if (handle.is_valid()) {
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// Access response headers immediately
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int status = handle.response->status;
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auto content_type = handle.response->get_header_value("Content-Type");
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// Read body incrementally
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char buf[4096];
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ssize_t n;
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while ((n = handle.read(buf, sizeof(buf))) > 0) {
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process(buf, n);
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}
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}
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```
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#### StreamHandle Members
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| Member | Type | Description |
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|--------|------|-------------|
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| `response` | `std::unique_ptr<Response>` | HTTP response with headers |
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| `error` | `Error` | Error code if request failed |
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| `is_valid()` | `bool` | Returns true if response is valid |
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| `read(buf, len)` | `ssize_t` | Read up to `len` bytes directly from socket |
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| `get_read_error()` | `Error` | Get the last read error |
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| `has_read_error()` | `bool` | Check if a read error occurred |
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### High-Level API: `stream::Get()` and `stream::Result`
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The `httplib.h` header provides a more ergonomic iterator-style API.
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```cpp
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#include "httplib.h"
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httplib::Client cli("http://localhost:8080");
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// Simple GET
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auto result = httplib::stream::Get(cli, "/path");
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// GET with custom headers
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httplib::Headers headers = {{"Authorization", "Bearer token"}};
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auto result = httplib::stream::Get(cli, "/path", headers);
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// Process the response
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if (result) {
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while (result.next()) {
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process(result.data(), result.size());
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}
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}
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// Or read entire body at once
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auto result2 = httplib::stream::Get(cli, "/path");
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if (result2) {
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std::string body = result2.read_all();
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}
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```
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#### stream::Result Members
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| Member | Type | Description |
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|--------|------|-------------|
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| `operator bool()` | `bool` | Returns true if response is valid |
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| `is_valid()` | `bool` | Same as `operator bool()` |
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| `status()` | `int` | HTTP status code |
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| `headers()` | `const Headers&` | Response headers |
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| `get_header_value(key, def)` | `std::string` | Get header value (with optional default) |
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| `has_header(key)` | `bool` | Check if header exists |
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| `next()` | `bool` | Read next chunk, returns false when done |
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| `data()` | `const char*` | Pointer to current chunk data |
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| `size()` | `size_t` | Size of current chunk |
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| `read_all()` | `std::string` | Read entire remaining body into string |
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| `error()` | `Error` | Get the connection/request error |
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| `read_error()` | `Error` | Get the last read error |
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| `has_read_error()` | `bool` | Check if a read error occurred |
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## Usage Examples
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### Example 1: SSE (Server-Sent Events) Client
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```cpp
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#include "httplib.h"
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#include <iostream>
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int main() {
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httplib::Client cli("http://localhost:1234");
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auto result = httplib::stream::Get(cli, "/events");
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if (!result) { return 1; }
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while (result.next()) {
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std::cout.write(result.data(), result.size());
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std::cout.flush();
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}
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return 0;
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}
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```
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For a complete SSE client with auto-reconnection and event parsing, see `example/ssecli-stream.cc`.
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### Example 2: LLM Streaming Response
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```cpp
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#include "httplib.h"
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#include <iostream>
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int main() {
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httplib::Client cli("http://localhost:11434"); // Ollama
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auto result = httplib::stream::Get(cli, "/api/generate");
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if (result && result.status() == 200) {
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while (result.next()) {
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std::cout.write(result.data(), result.size());
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std::cout.flush();
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}
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}
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// Check for connection errors
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if (result.read_error() != httplib::Error::Success) {
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std::cerr << "Connection lost\n";
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}
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return 0;
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}
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```
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### Example 3: Large File Download with Progress
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```cpp
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#include "httplib.h"
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#include <fstream>
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#include <iostream>
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int main() {
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httplib::Client cli("http://example.com");
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auto result = httplib::stream::Get(cli, "/large-file.zip");
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if (!result || result.status() != 200) {
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std::cerr << "Download failed\n";
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return 1;
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}
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std::ofstream file("download.zip", std::ios::binary);
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size_t total = 0;
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while (result.next()) {
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file.write(result.data(), result.size());
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total += result.size();
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std::cout << "\rDownloaded: " << (total / 1024) << " KB" << std::flush;
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}
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std::cout << "\nComplete!\n";
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return 0;
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}
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```
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### Example 4: Reverse Proxy Streaming
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```cpp
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#include "httplib.h"
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httplib::Server svr;
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svr.Get("/proxy/(.*)", [](const httplib::Request& req, httplib::Response& res) {
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httplib::Client upstream("http://backend:8080");
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auto handle = upstream.open_stream("/" + req.matches[1].str());
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if (!handle.is_valid()) {
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res.status = 502;
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return;
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}
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res.status = handle.response->status;
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res.set_chunked_content_provider(
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handle.response->get_header_value("Content-Type"),
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[handle = std::move(handle)](size_t, httplib::DataSink& sink) mutable {
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char buf[8192];
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auto n = handle.read(buf, sizeof(buf));
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if (n > 0) {
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sink.write(buf, static_cast<size_t>(n));
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return true;
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}
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sink.done();
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return true;
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}
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);
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});
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svr.listen("0.0.0.0", 3000);
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```
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## Comparison with Existing APIs
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| Feature | `Client::Get()` | `open_stream()` | `stream::Get()` |
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|---------|----------------|-----------------|----------------|
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| Headers available | After complete | Immediately | Immediately |
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| Body reading | All at once | Direct from socket | Iterator-based |
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| Memory usage | Full body in RAM | Minimal (controlled) | Minimal (controlled) |
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| Keep-Alive support | ✅ Yes | ❌ No | ❌ No |
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| Compression | Auto-handled | Auto-handled | Auto-handled |
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| Best for | Small responses, Keep-Alive | Low-level streaming | Easy streaming |
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## Features
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- **True socket-level streaming**: Data is read directly from the network socket
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- **Low memory footprint**: Only the current chunk is held in memory
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- **Compression support**: Automatic decompression for gzip, brotli, and zstd
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- **Chunked transfer**: Full support for chunked transfer encoding
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- **SSL/TLS support**: Works with HTTPS connections
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## Important Notes
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### Keep-Alive Behavior
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The streaming API (`stream::Get()` / `open_stream()`) takes ownership of the socket connection for the duration of the stream. This means:
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- **Keep-Alive is not supported** for streaming connections
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- The socket is closed when `StreamHandle` is destroyed
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- For Keep-Alive scenarios, use the standard `client.Get()` API instead
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```cpp
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// Use for streaming (no Keep-Alive)
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auto result = httplib::stream::Get(cli, "/large-stream");
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while (result.next()) { /* ... */ }
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// Use for Keep-Alive connections
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auto res = cli.Get("/api/data"); // Connection can be reused
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```
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## Related
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- [Issue #2269](https://github.com/yhirose/cpp-httplib/issues/2269) - Original feature request
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- [example/ssecli-stream.cc](./example/ssecli-stream.cc) - SSE client with auto-reconnection
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25
README.md
25
README.md
@@ -1188,6 +1188,31 @@ std::string decoded_component = httplib::decode_uri_component(encoded_component)
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Use `encode_uri()` for full URLs and `encode_uri_component()` for individual query parameters or path segments.
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Use `encode_uri()` for full URLs and `encode_uri_component()` for individual query parameters or path segments.
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Streaming API
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-------------
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Process large responses without loading everything into memory.
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|
|
||||||
|
```c++
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httplib::Client cli("localhost", 8080);
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auto result = httplib::stream::Get(cli, "/large-file");
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if (result) {
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|
while (result.next()) {
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process(result.data(), result.size()); // Process each chunk as it arrives
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||||||
|
}
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||||||
|
}
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|
||||||
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// Or read the entire body at once
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||||||
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auto result2 = httplib::stream::Get(cli, "/file");
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|
if (result2) {
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||||||
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std::string body = result2.read_all();
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}
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```
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|
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All HTTP methods are supported: `stream::Get`, `Post`, `Put`, `Patch`, `Delete`, `Head`, `Options`.
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||||||
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See [README-stream.md](README-stream.md) for more details.
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||||||
Split httplib.h into .h and .cc
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Split httplib.h into .h and .cc
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||||||
-------------------------------
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-------------------------------
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@@ -18,7 +18,7 @@ ZLIB_SUPPORT = -DCPPHTTPLIB_ZLIB_SUPPORT -lz
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BROTLI_DIR = $(PREFIX)/opt/brotli
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BROTLI_DIR = $(PREFIX)/opt/brotli
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BROTLI_SUPPORT = -DCPPHTTPLIB_BROTLI_SUPPORT -I$(BROTLI_DIR)/include -L$(BROTLI_DIR)/lib -lbrotlicommon -lbrotlienc -lbrotlidec
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BROTLI_SUPPORT = -DCPPHTTPLIB_BROTLI_SUPPORT -I$(BROTLI_DIR)/include -L$(BROTLI_DIR)/lib -lbrotlicommon -lbrotlienc -lbrotlidec
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||||||
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|
||||||
all: server client hello simplecli simplesvr upload redirect ssesvr ssecli benchmark one_time_request server_and_client accept_header
|
all: server client hello simplecli simplesvr upload redirect ssesvr ssecli ssecli-stream benchmark one_time_request server_and_client accept_header
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|
||||||
server : server.cc ../httplib.h Makefile
|
server : server.cc ../httplib.h Makefile
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$(CXX) -o server $(CXXFLAGS) server.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
|
$(CXX) -o server $(CXXFLAGS) server.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
|
||||||
@@ -47,6 +47,9 @@ ssesvr : ssesvr.cc ../httplib.h Makefile
|
|||||||
ssecli : ssecli.cc ../httplib.h Makefile
|
ssecli : ssecli.cc ../httplib.h Makefile
|
||||||
$(CXX) -o ssecli $(CXXFLAGS) ssecli.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
|
$(CXX) -o ssecli $(CXXFLAGS) ssecli.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
|
||||||
|
|
||||||
|
ssecli-stream : ssecli-stream.cc ../httplib.h ../httplib.h Makefile
|
||||||
|
$(CXX) -o ssecli-stream $(CXXFLAGS) ssecli-stream.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
|
||||||
|
|
||||||
benchmark : benchmark.cc ../httplib.h Makefile
|
benchmark : benchmark.cc ../httplib.h Makefile
|
||||||
$(CXX) -o benchmark $(CXXFLAGS) benchmark.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
|
$(CXX) -o benchmark $(CXXFLAGS) benchmark.cc $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT)
|
||||||
|
|
||||||
@@ -64,4 +67,4 @@ pem:
|
|||||||
openssl req -new -key key.pem | openssl x509 -days 3650 -req -signkey key.pem > cert.pem
|
openssl req -new -key key.pem | openssl x509 -days 3650 -req -signkey key.pem > cert.pem
|
||||||
|
|
||||||
clean:
|
clean:
|
||||||
rm server client hello simplecli simplesvr upload redirect ssesvr ssecli benchmark one_time_request server_and_client accept_header *.pem
|
rm server client hello simplecli simplesvr upload redirect ssesvr ssecli ssecli-stream benchmark one_time_request server_and_client accept_header *.pem
|
||||||
|
|||||||
234
example/ssecli-stream.cc
Normal file
234
example/ssecli-stream.cc
Normal file
@@ -0,0 +1,234 @@
|
|||||||
|
//
|
||||||
|
// ssecli-stream.cc
|
||||||
|
//
|
||||||
|
// Copyright (c) 2025 Yuji Hirose. All rights reserved.
|
||||||
|
// MIT License
|
||||||
|
//
|
||||||
|
// SSE (Server-Sent Events) client example using Streaming API
|
||||||
|
// with automatic reconnection support (similar to JavaScript's EventSource)
|
||||||
|
//
|
||||||
|
|
||||||
|
#include <httplib.h>
|
||||||
|
|
||||||
|
#include <chrono>
|
||||||
|
#include <iostream>
|
||||||
|
#include <string>
|
||||||
|
#include <thread>
|
||||||
|
|
||||||
|
//------------------------------------------------------------------------------
|
||||||
|
// SSE Event Parser
|
||||||
|
//------------------------------------------------------------------------------
|
||||||
|
// Parses SSE events from the stream according to the SSE specification.
|
||||||
|
// SSE format:
|
||||||
|
// event: <event-type> (optional, defaults to "message")
|
||||||
|
// data: <payload> (can have multiple lines)
|
||||||
|
// id: <event-id> (optional, used for reconnection)
|
||||||
|
// retry: <milliseconds> (optional, reconnection interval)
|
||||||
|
// <blank line> (signals end of event)
|
||||||
|
//
|
||||||
|
struct SSEEvent {
|
||||||
|
std::string event = "message"; // Event type (default: "message")
|
||||||
|
std::string data; // Event payload
|
||||||
|
std::string id; // Event ID for Last-Event-ID header
|
||||||
|
|
||||||
|
void clear() {
|
||||||
|
event = "message";
|
||||||
|
data.clear();
|
||||||
|
id.clear();
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// Parse a single SSE field line (e.g., "data: hello")
|
||||||
|
// Returns true if this line ends an event (blank line)
|
||||||
|
bool parse_sse_line(const std::string &line, SSEEvent &event, int &retry_ms) {
|
||||||
|
// Blank line signals end of event
|
||||||
|
if (line.empty() || line == "\r") { return true; }
|
||||||
|
|
||||||
|
// Find the colon separator
|
||||||
|
auto colon_pos = line.find(':');
|
||||||
|
if (colon_pos == std::string::npos) {
|
||||||
|
// Line with no colon is treated as field name with empty value
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string field = line.substr(0, colon_pos);
|
||||||
|
std::string value;
|
||||||
|
|
||||||
|
// Value starts after colon, skip optional single space
|
||||||
|
if (colon_pos + 1 < line.size()) {
|
||||||
|
size_t value_start = colon_pos + 1;
|
||||||
|
if (line[value_start] == ' ') { value_start++; }
|
||||||
|
value = line.substr(value_start);
|
||||||
|
// Remove trailing \r if present
|
||||||
|
if (!value.empty() && value.back() == '\r') { value.pop_back(); }
|
||||||
|
}
|
||||||
|
|
||||||
|
// Handle known fields
|
||||||
|
if (field == "event") {
|
||||||
|
event.event = value;
|
||||||
|
} else if (field == "data") {
|
||||||
|
// Multiple data lines are concatenated with newlines
|
||||||
|
if (!event.data.empty()) { event.data += "\n"; }
|
||||||
|
event.data += value;
|
||||||
|
} else if (field == "id") {
|
||||||
|
// Empty id is valid (clears the last event ID)
|
||||||
|
event.id = value;
|
||||||
|
} else if (field == "retry") {
|
||||||
|
// Parse retry interval in milliseconds
|
||||||
|
try {
|
||||||
|
retry_ms = std::stoi(value);
|
||||||
|
} catch (...) {
|
||||||
|
// Invalid retry value, ignore
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// Unknown fields are ignored per SSE spec
|
||||||
|
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
//------------------------------------------------------------------------------
|
||||||
|
// Main - SSE Client with Auto-Reconnection
|
||||||
|
//------------------------------------------------------------------------------
|
||||||
|
int main(void) {
|
||||||
|
// Configuration
|
||||||
|
const std::string host = "http://localhost:1234";
|
||||||
|
const std::string path = "/event1";
|
||||||
|
|
||||||
|
httplib::Client cli(host);
|
||||||
|
|
||||||
|
// State for reconnection (persists across connections)
|
||||||
|
std::string last_event_id; // Sent as Last-Event-ID header on reconnect
|
||||||
|
int retry_ms = 3000; // Reconnection delay (server can override via retry:)
|
||||||
|
int connection_count = 0;
|
||||||
|
|
||||||
|
std::cout << "SSE Client starting...\n";
|
||||||
|
std::cout << "Target: " << host << path << "\n";
|
||||||
|
std::cout << "Press Ctrl+C to exit\n\n";
|
||||||
|
|
||||||
|
//----------------------------------------------------------------------------
|
||||||
|
// Main reconnection loop
|
||||||
|
// This mimics JavaScript's EventSource behavior:
|
||||||
|
// - Automatically reconnects on connection failure
|
||||||
|
// - Sends Last-Event-ID header to resume from last received event
|
||||||
|
// - Respects server's retry interval
|
||||||
|
//----------------------------------------------------------------------------
|
||||||
|
while (true) {
|
||||||
|
connection_count++;
|
||||||
|
std::cout << "[Connection #" << connection_count << "] Connecting...\n";
|
||||||
|
|
||||||
|
// Build headers, including Last-Event-ID if we have one
|
||||||
|
httplib::Headers headers;
|
||||||
|
if (!last_event_id.empty()) {
|
||||||
|
headers.emplace("Last-Event-ID", last_event_id);
|
||||||
|
std::cout << "[Connection #" << connection_count
|
||||||
|
<< "] Resuming from event ID: " << last_event_id << "\n";
|
||||||
|
}
|
||||||
|
|
||||||
|
// Open streaming connection
|
||||||
|
auto result = httplib::stream::Get(cli, path, headers);
|
||||||
|
|
||||||
|
//--------------------------------------------------------------------------
|
||||||
|
// Connection error handling
|
||||||
|
//--------------------------------------------------------------------------
|
||||||
|
if (!result) {
|
||||||
|
std::cerr << "[Connection #" << connection_count
|
||||||
|
<< "] Failed: " << httplib::to_string(result.error()) << "\n";
|
||||||
|
std::cerr << "Reconnecting in " << retry_ms << "ms...\n\n";
|
||||||
|
std::this_thread::sleep_for(std::chrono::milliseconds(retry_ms));
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (result.status() != 200) {
|
||||||
|
std::cerr << "[Connection #" << connection_count
|
||||||
|
<< "] HTTP error: " << result.status() << "\n";
|
||||||
|
|
||||||
|
// For certain errors, don't reconnect
|
||||||
|
if (result.status() == 204 || // No Content - server wants us to stop
|
||||||
|
result.status() == 404 || // Not Found
|
||||||
|
result.status() == 401 || // Unauthorized
|
||||||
|
result.status() == 403) { // Forbidden
|
||||||
|
std::cerr << "Permanent error, not reconnecting.\n";
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::cerr << "Reconnecting in " << retry_ms << "ms...\n\n";
|
||||||
|
std::this_thread::sleep_for(std::chrono::milliseconds(retry_ms));
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Verify Content-Type (optional but recommended)
|
||||||
|
auto content_type = result.get_header_value("Content-Type");
|
||||||
|
if (content_type.find("text/event-stream") == std::string::npos) {
|
||||||
|
std::cerr << "[Warning] Content-Type is not text/event-stream: "
|
||||||
|
<< content_type << "\n";
|
||||||
|
}
|
||||||
|
|
||||||
|
std::cout << "[Connection #" << connection_count << "] Connected!\n\n";
|
||||||
|
|
||||||
|
//--------------------------------------------------------------------------
|
||||||
|
// Event receiving loop
|
||||||
|
// Reads chunks from the stream and parses SSE events
|
||||||
|
//--------------------------------------------------------------------------
|
||||||
|
std::string buffer;
|
||||||
|
SSEEvent current_event;
|
||||||
|
int event_count = 0;
|
||||||
|
|
||||||
|
// Read data from stream using httplib::stream API
|
||||||
|
while (result.next()) {
|
||||||
|
buffer.append(result.data(), result.size());
|
||||||
|
|
||||||
|
// Process complete lines in the buffer
|
||||||
|
size_t line_start = 0;
|
||||||
|
size_t newline_pos;
|
||||||
|
|
||||||
|
while ((newline_pos = buffer.find('\n', line_start)) !=
|
||||||
|
std::string::npos) {
|
||||||
|
std::string line = buffer.substr(line_start, newline_pos - line_start);
|
||||||
|
line_start = newline_pos + 1;
|
||||||
|
|
||||||
|
// Parse the line and check if event is complete
|
||||||
|
bool event_complete = parse_sse_line(line, current_event, retry_ms);
|
||||||
|
|
||||||
|
if (event_complete && !current_event.data.empty()) {
|
||||||
|
// Event received - process it
|
||||||
|
event_count++;
|
||||||
|
|
||||||
|
std::cout << "--- Event #" << event_count << " ---\n";
|
||||||
|
std::cout << "Type: " << current_event.event << "\n";
|
||||||
|
std::cout << "Data: " << current_event.data << "\n";
|
||||||
|
if (!current_event.id.empty()) {
|
||||||
|
std::cout << "ID: " << current_event.id << "\n";
|
||||||
|
}
|
||||||
|
std::cout << "\n";
|
||||||
|
|
||||||
|
// Update last_event_id for reconnection
|
||||||
|
// Note: Empty id clears the last event ID per SSE spec
|
||||||
|
if (!current_event.id.empty()) { last_event_id = current_event.id; }
|
||||||
|
|
||||||
|
current_event.clear();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Keep unprocessed data in buffer
|
||||||
|
buffer.erase(0, line_start);
|
||||||
|
}
|
||||||
|
|
||||||
|
//--------------------------------------------------------------------------
|
||||||
|
// Connection ended - check why
|
||||||
|
//--------------------------------------------------------------------------
|
||||||
|
if (result.read_error() != httplib::Error::Success) {
|
||||||
|
std::cerr << "\n[Connection #" << connection_count
|
||||||
|
<< "] Error: " << httplib::to_string(result.read_error())
|
||||||
|
<< "\n";
|
||||||
|
} else {
|
||||||
|
std::cout << "\n[Connection #" << connection_count
|
||||||
|
<< "] Stream ended normally\n";
|
||||||
|
}
|
||||||
|
|
||||||
|
std::cout << "Received " << event_count << " events in this connection\n";
|
||||||
|
std::cout << "Reconnecting in " << retry_ms << "ms...\n\n";
|
||||||
|
std::this_thread::sleep_for(std::chrono::milliseconds(retry_ms));
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
778
test/test.cc
778
test/test.cc
@@ -3198,6 +3198,33 @@ protected:
|
|||||||
return true;
|
return true;
|
||||||
});
|
});
|
||||||
})
|
})
|
||||||
|
.Get("/streamed-chunked-with-prohibited-trailer",
|
||||||
|
[&](const Request & /*req*/, Response &res) {
|
||||||
|
auto i = new int(0);
|
||||||
|
// Declare both a prohibited trailer (Content-Length) and an
|
||||||
|
// allowed one
|
||||||
|
res.set_header("Trailer", "Content-Length, X-Allowed");
|
||||||
|
|
||||||
|
res.set_chunked_content_provider(
|
||||||
|
"text/plain",
|
||||||
|
[i](size_t /*offset*/, DataSink &sink) {
|
||||||
|
switch (*i) {
|
||||||
|
case 0: sink.os << "123"; break;
|
||||||
|
case 1: sink.os << "456"; break;
|
||||||
|
case 2: sink.os << "789"; break;
|
||||||
|
case 3: {
|
||||||
|
sink.done_with_trailer(
|
||||||
|
{{"Content-Length", "5"}, {"X-Allowed", "yes"}});
|
||||||
|
} break;
|
||||||
|
}
|
||||||
|
(*i)++;
|
||||||
|
return true;
|
||||||
|
},
|
||||||
|
[i](bool success) {
|
||||||
|
EXPECT_TRUE(success);
|
||||||
|
delete i;
|
||||||
|
});
|
||||||
|
})
|
||||||
.Get("/streamed-chunked2",
|
.Get("/streamed-chunked2",
|
||||||
[&](const Request & /*req*/, Response &res) {
|
[&](const Request & /*req*/, Response &res) {
|
||||||
auto i = new int(0);
|
auto i = new int(0);
|
||||||
@@ -11686,3 +11713,754 @@ TEST(ServerRequestParsingTest, RequestWithoutContentLengthOrTransferEncoding) {
|
|||||||
&resp));
|
&resp));
|
||||||
EXPECT_TRUE(resp.find("HTTP/1.1 200 OK") == 0);
|
EXPECT_TRUE(resp.find("HTTP/1.1 200 OK") == 0);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
//==============================================================================
|
||||||
|
// open_stream() Tests
|
||||||
|
//==============================================================================
|
||||||
|
|
||||||
|
inline std::string read_all(ClientImpl::StreamHandle &handle) {
|
||||||
|
std::string result;
|
||||||
|
char buf[8192];
|
||||||
|
ssize_t n;
|
||||||
|
while ((n = handle.read(buf, sizeof(buf))) > 0) {
|
||||||
|
result.append(buf, static_cast<size_t>(n));
|
||||||
|
}
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Mock stream for unit tests
|
||||||
|
class MockStream : public Stream {
|
||||||
|
public:
|
||||||
|
std::string data;
|
||||||
|
size_t pos = 0;
|
||||||
|
ssize_t error_after = -1; // -1 = no error
|
||||||
|
|
||||||
|
explicit MockStream(const std::string &d, ssize_t err = -1)
|
||||||
|
: data(d), error_after(err) {}
|
||||||
|
bool is_readable() const override { return true; }
|
||||||
|
bool wait_readable() const override { return true; }
|
||||||
|
bool wait_writable() const override { return true; }
|
||||||
|
ssize_t read(char *ptr, size_t size) override {
|
||||||
|
if (error_after >= 0 && pos >= static_cast<size_t>(error_after)) return -1;
|
||||||
|
if (pos >= data.size()) return 0;
|
||||||
|
size_t limit =
|
||||||
|
error_after >= 0 ? static_cast<size_t>(error_after) : data.size();
|
||||||
|
size_t to_read = std::min(size, std::min(data.size() - pos, limit - pos));
|
||||||
|
std::memcpy(ptr, data.data() + pos, to_read);
|
||||||
|
pos += to_read;
|
||||||
|
return static_cast<ssize_t>(to_read);
|
||||||
|
}
|
||||||
|
ssize_t write(const char *, size_t) override { return -1; }
|
||||||
|
void get_remote_ip_and_port(std::string &ip, int &port) const override {
|
||||||
|
ip = "127.0.0.1";
|
||||||
|
port = 0;
|
||||||
|
}
|
||||||
|
void get_local_ip_and_port(std::string &ip, int &port) const override {
|
||||||
|
ip = "127.0.0.1";
|
||||||
|
port = 0;
|
||||||
|
}
|
||||||
|
socket_t socket() const override { return INVALID_SOCKET; }
|
||||||
|
time_t duration() const override { return 0; }
|
||||||
|
};
|
||||||
|
|
||||||
|
TEST(StreamHandleTest, Basic) {
|
||||||
|
ClientImpl::StreamHandle handle;
|
||||||
|
EXPECT_FALSE(handle.is_valid());
|
||||||
|
handle.response = detail::make_unique<Response>();
|
||||||
|
handle.error = Error::Connection;
|
||||||
|
EXPECT_FALSE(handle.is_valid());
|
||||||
|
handle.error = Error::Success;
|
||||||
|
EXPECT_TRUE(handle.is_valid());
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST(BodyReaderTest, Basic) {
|
||||||
|
MockStream stream("Hello, World!");
|
||||||
|
detail::BodyReader reader;
|
||||||
|
reader.stream = &stream;
|
||||||
|
reader.content_length = 13;
|
||||||
|
char buf[32];
|
||||||
|
EXPECT_EQ(13, reader.read(buf, sizeof(buf)));
|
||||||
|
EXPECT_EQ(0, reader.read(buf, sizeof(buf)));
|
||||||
|
EXPECT_TRUE(reader.eof);
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST(BodyReaderTest, NoStream) {
|
||||||
|
detail::BodyReader reader;
|
||||||
|
char buf[32];
|
||||||
|
EXPECT_EQ(-1, reader.read(buf, sizeof(buf)));
|
||||||
|
EXPECT_EQ(Error::Connection, reader.last_error);
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST(BodyReaderTest, Error) {
|
||||||
|
MockStream stream("Hello, World!", 5);
|
||||||
|
detail::BodyReader reader;
|
||||||
|
reader.stream = &stream;
|
||||||
|
reader.content_length = 13;
|
||||||
|
char buf[32];
|
||||||
|
EXPECT_EQ(5, reader.read(buf, sizeof(buf)));
|
||||||
|
EXPECT_EQ(-1, reader.read(buf, sizeof(buf)));
|
||||||
|
EXPECT_EQ(Error::Read, reader.last_error);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Memory buffer mode removed: StreamHandle reads only from socket streams.
|
||||||
|
// Mock-based StreamHandle tests relying on private internals are removed.
|
||||||
|
|
||||||
|
class OpenStreamTest : public ::testing::Test {
|
||||||
|
protected:
|
||||||
|
void SetUp() override {
|
||||||
|
svr_.Get("/hello", [](const Request &, Response &res) {
|
||||||
|
res.set_content("Hello World!", "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Get("/large", [](const Request &, Response &res) {
|
||||||
|
res.set_content(std::string(10000, 'X'), "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Get("/chunked", [](const Request &, Response &res) {
|
||||||
|
res.set_chunked_content_provider("text/plain",
|
||||||
|
[](size_t offset, DataSink &sink) {
|
||||||
|
if (offset < 15) {
|
||||||
|
sink.write("chunk", 5);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
sink.done();
|
||||||
|
return true;
|
||||||
|
});
|
||||||
|
});
|
||||||
|
svr_.Get("/compressible", [](const Request &, Response &res) {
|
||||||
|
res.set_chunked_content_provider("text/plain", [](size_t offset,
|
||||||
|
DataSink &sink) {
|
||||||
|
if (offset < 100 * 1024) {
|
||||||
|
std::string chunk(std::min(size_t(8192), 100 * 1024 - offset), 'A');
|
||||||
|
sink.write(chunk.data(), chunk.size());
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
sink.done();
|
||||||
|
return true;
|
||||||
|
});
|
||||||
|
});
|
||||||
|
svr_.Get("/streamed-chunked-with-prohibited-trailer",
|
||||||
|
[](const Request & /*req*/, Response &res) {
|
||||||
|
auto i = new int(0);
|
||||||
|
res.set_header("Trailer", "Content-Length, X-Allowed");
|
||||||
|
res.set_chunked_content_provider(
|
||||||
|
"text/plain",
|
||||||
|
[i](size_t /*offset*/, DataSink &sink) {
|
||||||
|
switch (*i) {
|
||||||
|
case 0: sink.os << "123"; break;
|
||||||
|
case 1: sink.os << "456"; break;
|
||||||
|
case 2: sink.os << "789"; break;
|
||||||
|
case 3: {
|
||||||
|
sink.done_with_trailer(
|
||||||
|
{{"Content-Length", "5"}, {"X-Allowed", "yes"}});
|
||||||
|
} break;
|
||||||
|
}
|
||||||
|
(*i)++;
|
||||||
|
return true;
|
||||||
|
},
|
||||||
|
[i](bool success) {
|
||||||
|
EXPECT_TRUE(success);
|
||||||
|
delete i;
|
||||||
|
});
|
||||||
|
});
|
||||||
|
// Echo headers endpoint for header-related tests
|
||||||
|
svr_.Get("/echo-headers", [](const Request &req, Response &res) {
|
||||||
|
std::string body;
|
||||||
|
for (const auto &h : req.headers) {
|
||||||
|
body.append(h.first);
|
||||||
|
body.push_back(':');
|
||||||
|
body.append(h.second);
|
||||||
|
body.push_back('\n');
|
||||||
|
}
|
||||||
|
res.set_content(body, "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Post("/echo-headers", [](const Request &req, Response &res) {
|
||||||
|
std::string body;
|
||||||
|
for (const auto &h : req.headers) {
|
||||||
|
body.append(h.first);
|
||||||
|
body.push_back(':');
|
||||||
|
body.append(h.second);
|
||||||
|
body.push_back('\n');
|
||||||
|
}
|
||||||
|
res.set_content(body, "text/plain");
|
||||||
|
});
|
||||||
|
thread_ = std::thread([this]() { svr_.listen("127.0.0.1", 8787); });
|
||||||
|
svr_.wait_until_ready();
|
||||||
|
}
|
||||||
|
void TearDown() override {
|
||||||
|
svr_.stop();
|
||||||
|
if (thread_.joinable()) thread_.join();
|
||||||
|
}
|
||||||
|
Server svr_;
|
||||||
|
std::thread thread_;
|
||||||
|
};
|
||||||
|
|
||||||
|
TEST_F(OpenStreamTest, Basic) {
|
||||||
|
Client cli("127.0.0.1", 8787);
|
||||||
|
auto handle = cli.open_stream("GET", "/hello");
|
||||||
|
EXPECT_TRUE(handle.is_valid());
|
||||||
|
EXPECT_EQ("Hello World!", read_all(handle));
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(OpenStreamTest, SmallBuffer) {
|
||||||
|
Client cli("127.0.0.1", 8787);
|
||||||
|
auto handle = cli.open_stream("GET", "/hello");
|
||||||
|
std::string result;
|
||||||
|
char buf[4];
|
||||||
|
ssize_t n;
|
||||||
|
while ((n = handle.read(buf, sizeof(buf))) > 0)
|
||||||
|
result.append(buf, static_cast<size_t>(n));
|
||||||
|
EXPECT_EQ("Hello World!", result);
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(OpenStreamTest, DefaultHeaders) {
|
||||||
|
Client cli("127.0.0.1", 8787);
|
||||||
|
|
||||||
|
// open_stream GET should include Host, User-Agent and Accept-Encoding
|
||||||
|
{
|
||||||
|
auto handle = cli.open_stream("GET", "/echo-headers");
|
||||||
|
ASSERT_TRUE(handle.is_valid());
|
||||||
|
auto body = read_all(handle);
|
||||||
|
EXPECT_NE(body.find("Host:127.0.0.1:8787"), std::string::npos);
|
||||||
|
EXPECT_NE(body.find("User-Agent:cpp-httplib/" CPPHTTPLIB_VERSION),
|
||||||
|
std::string::npos);
|
||||||
|
EXPECT_NE(body.find("Accept-Encoding:"), std::string::npos);
|
||||||
|
}
|
||||||
|
|
||||||
|
// open_stream POST with body and no explicit content_type should NOT add
|
||||||
|
// text/plain Content-Type (behavior differs from non-streaming path), but
|
||||||
|
// should include Content-Length
|
||||||
|
{
|
||||||
|
auto handle = cli.open_stream("POST", "/echo-headers", {}, {}, "hello", "");
|
||||||
|
ASSERT_TRUE(handle.is_valid());
|
||||||
|
auto body = read_all(handle);
|
||||||
|
EXPECT_EQ(body.find("Content-Type: text/plain"), std::string::npos);
|
||||||
|
EXPECT_NE(body.find("Content-Length:5"), std::string::npos);
|
||||||
|
}
|
||||||
|
|
||||||
|
// open_stream POST with explicit Content-Type should preserve it
|
||||||
|
{
|
||||||
|
auto handle = cli.open_stream("POST", "/echo-headers", {},
|
||||||
|
{{"Content-Type", "application/custom"}},
|
||||||
|
"{}", "application/custom");
|
||||||
|
ASSERT_TRUE(handle.is_valid());
|
||||||
|
auto body = read_all(handle);
|
||||||
|
EXPECT_NE(body.find("Content-Type:application/custom"), std::string::npos);
|
||||||
|
}
|
||||||
|
|
||||||
|
// User-specified User-Agent must not be overwritten for stream API
|
||||||
|
{
|
||||||
|
auto handle = cli.open_stream("GET", "/echo-headers", {},
|
||||||
|
{{"User-Agent", "MyAgent/1.2"}});
|
||||||
|
ASSERT_TRUE(handle.is_valid());
|
||||||
|
auto body = read_all(handle);
|
||||||
|
EXPECT_NE(body.find("User-Agent:MyAgent/1.2"), std::string::npos);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(OpenStreamTest, Large) {
|
||||||
|
Client cli("127.0.0.1", 8787);
|
||||||
|
auto handle = cli.open_stream("GET", "/large");
|
||||||
|
EXPECT_EQ(10000u, read_all(handle).size());
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(OpenStreamTest, ConnectionError) {
|
||||||
|
Client cli("127.0.0.1", 9999);
|
||||||
|
auto handle = cli.open_stream("GET", "/hello");
|
||||||
|
EXPECT_FALSE(handle.is_valid());
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(OpenStreamTest, Chunked) {
|
||||||
|
Client cli("127.0.0.1", 8787);
|
||||||
|
auto handle = cli.open_stream("GET", "/chunked");
|
||||||
|
EXPECT_TRUE(handle.response && handle.response->get_header_value(
|
||||||
|
"Transfer-Encoding") == "chunked");
|
||||||
|
EXPECT_EQ("chunkchunkchunk", read_all(handle));
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(OpenStreamTest, ProhibitedTrailersAreIgnored_Stream) {
|
||||||
|
Client cli("127.0.0.1", 8787);
|
||||||
|
auto handle =
|
||||||
|
cli.open_stream("GET", "/streamed-chunked-with-prohibited-trailer");
|
||||||
|
ASSERT_TRUE(handle.is_valid());
|
||||||
|
|
||||||
|
// Consume body to allow trailers to be received/parsed
|
||||||
|
auto body = read_all(handle);
|
||||||
|
|
||||||
|
// Explicitly parse trailers (ensure trailers are available for assertion)
|
||||||
|
handle.parse_trailers_if_needed();
|
||||||
|
EXPECT_EQ(std::string("123456789"), body);
|
||||||
|
|
||||||
|
// The response should include a Trailer header declaring both names
|
||||||
|
ASSERT_TRUE(handle.response);
|
||||||
|
EXPECT_TRUE(handle.response->has_header("Trailer"));
|
||||||
|
EXPECT_EQ(std::string("Content-Length, X-Allowed"),
|
||||||
|
handle.response->get_header_value("Trailer"));
|
||||||
|
|
||||||
|
// Prohibited trailer must not be present
|
||||||
|
EXPECT_FALSE(handle.response->has_trailer("Content-Length"));
|
||||||
|
// Allowed trailer should be present
|
||||||
|
EXPECT_TRUE(handle.response->has_trailer("X-Allowed"));
|
||||||
|
EXPECT_EQ(std::string("yes"),
|
||||||
|
handle.response->get_trailer_value("X-Allowed"));
|
||||||
|
|
||||||
|
// Verify trailers are NOT present as regular headers
|
||||||
|
EXPECT_EQ(std::string(""),
|
||||||
|
handle.response->get_header_value("Content-Length"));
|
||||||
|
EXPECT_EQ(std::string(""), handle.response->get_header_value("X-Allowed"));
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
|
||||||
|
TEST_F(OpenStreamTest, Gzip) {
|
||||||
|
Client cli("127.0.0.1", 8787);
|
||||||
|
auto handle = cli.open_stream("GET", "/compressible", {},
|
||||||
|
{{"Accept-Encoding", "gzip"}});
|
||||||
|
EXPECT_EQ("gzip", handle.response->get_header_value("Content-Encoding"));
|
||||||
|
EXPECT_EQ(100u * 1024u, read_all(handle).size());
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
|
||||||
|
TEST_F(OpenStreamTest, Brotli) {
|
||||||
|
Client cli("127.0.0.1", 8787);
|
||||||
|
auto handle =
|
||||||
|
cli.open_stream("GET", "/compressible", {}, {{"Accept-Encoding", "br"}});
|
||||||
|
EXPECT_EQ("br", handle.response->get_header_value("Content-Encoding"));
|
||||||
|
EXPECT_EQ(100u * 1024u, read_all(handle).size());
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
|
||||||
|
TEST_F(OpenStreamTest, Zstd) {
|
||||||
|
Client cli("127.0.0.1", 8787);
|
||||||
|
auto handle = cli.open_stream("GET", "/compressible", {},
|
||||||
|
{{"Accept-Encoding", "zstd"}});
|
||||||
|
EXPECT_EQ("zstd", handle.response->get_header_value("Content-Encoding"));
|
||||||
|
EXPECT_EQ(100u * 1024u, read_all(handle).size());
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
|
||||||
|
class SSLOpenStreamTest : public ::testing::Test {
|
||||||
|
protected:
|
||||||
|
SSLOpenStreamTest() : svr_("cert.pem", "key.pem") {}
|
||||||
|
void SetUp() override {
|
||||||
|
svr_.Get("/hello", [](const Request &, Response &res) {
|
||||||
|
res.set_content("Hello SSL World!", "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Get("/chunked", [](const Request &, Response &res) {
|
||||||
|
res.set_chunked_content_provider("text/plain",
|
||||||
|
[](size_t offset, DataSink &sink) {
|
||||||
|
if (offset < 15) {
|
||||||
|
sink.write("chunk", 5);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
sink.done();
|
||||||
|
return true;
|
||||||
|
});
|
||||||
|
});
|
||||||
|
svr_.Post("/echo", [](const Request &req, Response &res) {
|
||||||
|
res.set_content(req.body, req.get_header_value("Content-Type"));
|
||||||
|
});
|
||||||
|
svr_.Post("/chunked-response", [](const Request &req, Response &res) {
|
||||||
|
std::string body = req.body;
|
||||||
|
res.set_chunked_content_provider(
|
||||||
|
"text/plain", [body](size_t offset, DataSink &sink) {
|
||||||
|
if (offset < body.size()) {
|
||||||
|
sink.write(body.data() + offset, body.size() - offset);
|
||||||
|
}
|
||||||
|
sink.done();
|
||||||
|
return true;
|
||||||
|
});
|
||||||
|
});
|
||||||
|
thread_ = std::thread([this]() { svr_.listen("127.0.0.1", 8788); });
|
||||||
|
svr_.wait_until_ready();
|
||||||
|
}
|
||||||
|
void TearDown() override {
|
||||||
|
svr_.stop();
|
||||||
|
if (thread_.joinable()) thread_.join();
|
||||||
|
}
|
||||||
|
SSLServer svr_;
|
||||||
|
std::thread thread_;
|
||||||
|
};
|
||||||
|
|
||||||
|
TEST_F(SSLOpenStreamTest, Basic) {
|
||||||
|
SSLClient cli("127.0.0.1", 8788);
|
||||||
|
cli.enable_server_certificate_verification(false);
|
||||||
|
auto handle = cli.open_stream("GET", "/hello");
|
||||||
|
ASSERT_TRUE(handle.is_valid());
|
||||||
|
EXPECT_EQ("Hello SSL World!", read_all(handle));
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(SSLOpenStreamTest, Chunked) {
|
||||||
|
SSLClient cli("127.0.0.1", 8788);
|
||||||
|
cli.enable_server_certificate_verification(false);
|
||||||
|
|
||||||
|
auto handle = cli.open_stream("GET", "/chunked");
|
||||||
|
|
||||||
|
ASSERT_TRUE(handle.is_valid()) << "Error: " << static_cast<int>(handle.error);
|
||||||
|
EXPECT_TRUE(handle.response && handle.response->get_header_value(
|
||||||
|
"Transfer-Encoding") == "chunked");
|
||||||
|
|
||||||
|
auto body = read_all(handle);
|
||||||
|
EXPECT_EQ("chunkchunkchunk", body);
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(SSLOpenStreamTest, Post) {
|
||||||
|
SSLClient cli("127.0.0.1", 8788);
|
||||||
|
cli.enable_server_certificate_verification(false);
|
||||||
|
|
||||||
|
auto handle =
|
||||||
|
cli.open_stream("POST", "/echo", {}, {}, "Hello SSL POST", "text/plain");
|
||||||
|
|
||||||
|
ASSERT_TRUE(handle.is_valid()) << "Error: " << static_cast<int>(handle.error);
|
||||||
|
EXPECT_EQ(200, handle.response->status);
|
||||||
|
|
||||||
|
auto body = read_all(handle);
|
||||||
|
EXPECT_EQ("Hello SSL POST", body);
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(SSLOpenStreamTest, PostChunked) {
|
||||||
|
SSLClient cli("127.0.0.1", 8788);
|
||||||
|
cli.enable_server_certificate_verification(false);
|
||||||
|
|
||||||
|
auto handle = cli.open_stream("POST", "/chunked-response", {}, {},
|
||||||
|
"Chunked SSL Data", "text/plain");
|
||||||
|
|
||||||
|
ASSERT_TRUE(handle.is_valid());
|
||||||
|
EXPECT_EQ(200, handle.response->status);
|
||||||
|
|
||||||
|
auto body = read_all(handle);
|
||||||
|
EXPECT_EQ("Chunked SSL Data", body);
|
||||||
|
}
|
||||||
|
#endif // CPPHTTPLIB_OPENSSL_SUPPORT
|
||||||
|
|
||||||
|
//==============================================================================
|
||||||
|
// Parity Tests: ensure streaming and non-streaming APIs produce identical
|
||||||
|
// results for various scenarios.
|
||||||
|
//==============================================================================
|
||||||
|
|
||||||
|
TEST(ParityTest, GetVsOpenStream) {
|
||||||
|
Server svr;
|
||||||
|
|
||||||
|
const std::string path = "/parity";
|
||||||
|
const std::string content = "Parity test content: hello world";
|
||||||
|
|
||||||
|
svr.Get(path, [&](const Request & /*req*/, Response &res) {
|
||||||
|
res.set_content(content, "text/plain");
|
||||||
|
});
|
||||||
|
|
||||||
|
auto t = std::thread([&]() { svr.listen(HOST, PORT); });
|
||||||
|
auto se = detail::scope_exit([&] {
|
||||||
|
svr.stop();
|
||||||
|
t.join();
|
||||||
|
ASSERT_FALSE(svr.is_running());
|
||||||
|
});
|
||||||
|
|
||||||
|
svr.wait_until_ready();
|
||||||
|
|
||||||
|
Client cli(HOST, PORT);
|
||||||
|
|
||||||
|
// Non-stream path
|
||||||
|
auto r1 = cli.Get(path);
|
||||||
|
ASSERT_TRUE(r1);
|
||||||
|
EXPECT_EQ(StatusCode::OK_200, r1->status);
|
||||||
|
|
||||||
|
// Stream path
|
||||||
|
auto h = cli.open_stream("GET", path);
|
||||||
|
ASSERT_TRUE(h.is_valid());
|
||||||
|
|
||||||
|
EXPECT_EQ(r1->body, read_all(h));
|
||||||
|
}
|
||||||
|
|
||||||
|
// Helper to compress data with provided compressor type T
|
||||||
|
template <typename Compressor>
|
||||||
|
static std::string compress_payload_for_parity(const std::string &in) {
|
||||||
|
std::string out;
|
||||||
|
Compressor compressor;
|
||||||
|
bool ok = compressor.compress(in.data(), in.size(), /*last=*/true,
|
||||||
|
[&](const char *data, size_t n) {
|
||||||
|
out.append(data, n);
|
||||||
|
return true;
|
||||||
|
});
|
||||||
|
EXPECT_TRUE(ok);
|
||||||
|
return out;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Helper function for compression parity tests
|
||||||
|
template <typename Compressor>
|
||||||
|
static void test_compression_parity(const std::string &original,
|
||||||
|
const std::string &path,
|
||||||
|
const std::string &encoding) {
|
||||||
|
const std::string compressed =
|
||||||
|
compress_payload_for_parity<Compressor>(original);
|
||||||
|
|
||||||
|
Server svr;
|
||||||
|
|
||||||
|
svr.Get(path, [&](const Request & /*req*/, Response &res) {
|
||||||
|
res.set_content(compressed, "application/octet-stream");
|
||||||
|
res.set_header("Content-Encoding", encoding);
|
||||||
|
});
|
||||||
|
|
||||||
|
auto t = std::thread([&] { svr.listen("localhost", 1234); });
|
||||||
|
auto se = detail::scope_exit([&] {
|
||||||
|
svr.stop();
|
||||||
|
t.join();
|
||||||
|
ASSERT_FALSE(svr.is_running());
|
||||||
|
});
|
||||||
|
|
||||||
|
svr.wait_until_ready();
|
||||||
|
|
||||||
|
Client cli("localhost", 1234);
|
||||||
|
|
||||||
|
// Non-streaming
|
||||||
|
{
|
||||||
|
auto res = cli.Get(path);
|
||||||
|
ASSERT_TRUE(res);
|
||||||
|
EXPECT_EQ(StatusCode::OK_200, res->status);
|
||||||
|
EXPECT_EQ(original, res->body);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Streaming
|
||||||
|
{
|
||||||
|
auto h = cli.open_stream("GET", path);
|
||||||
|
ASSERT_TRUE(h.is_valid());
|
||||||
|
EXPECT_EQ(original, read_all(h));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
|
||||||
|
TEST(ParityTest, Gzip) {
|
||||||
|
test_compression_parity<detail::gzip_compressor>(
|
||||||
|
"The quick brown fox jumps over the lazy dog", "/parity-gzip", "gzip");
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
|
||||||
|
TEST(ParityTest, Brotli) {
|
||||||
|
test_compression_parity<detail::brotli_compressor>(
|
||||||
|
"Hello, brotli parity test payload", "/parity-br", "br");
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef CPPHTTPLIB_ZSTD_SUPPORT
|
||||||
|
TEST(ParityTest, Zstd) {
|
||||||
|
test_compression_parity<detail::zstd_compressor>(
|
||||||
|
"Zstandard parity test payload", "/parity-zstd", "zstd");
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
//==============================================================================
|
||||||
|
// New Stream API Tests
|
||||||
|
//==============================================================================
|
||||||
|
|
||||||
|
inline std::string read_body(httplib::stream::Result &result) {
|
||||||
|
std::string body;
|
||||||
|
while (result.next()) {
|
||||||
|
body.append(result.data(), result.size());
|
||||||
|
}
|
||||||
|
return body;
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST(ClientConnectionTest, Basic) {
|
||||||
|
httplib::ClientConnection conn;
|
||||||
|
EXPECT_FALSE(conn.is_open());
|
||||||
|
conn.sock = 1;
|
||||||
|
EXPECT_TRUE(conn.is_open());
|
||||||
|
httplib::ClientConnection conn2(std::move(conn));
|
||||||
|
EXPECT_EQ(INVALID_SOCKET, conn.sock);
|
||||||
|
conn2.sock = INVALID_SOCKET;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Unified test server for all stream::* tests
|
||||||
|
class StreamApiTest : public ::testing::Test {
|
||||||
|
protected:
|
||||||
|
void SetUp() override {
|
||||||
|
svr_.Get("/hello", [](const httplib::Request &, httplib::Response &res) {
|
||||||
|
res.set_content("Hello World!", "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Get("/echo-params",
|
||||||
|
[](const httplib::Request &req, httplib::Response &res) {
|
||||||
|
std::string r;
|
||||||
|
for (const auto &p : req.params) {
|
||||||
|
if (!r.empty()) r += "&";
|
||||||
|
r += p.first + "=" + p.second;
|
||||||
|
}
|
||||||
|
res.set_content(r, "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Post("/echo", [](const httplib::Request &req, httplib::Response &res) {
|
||||||
|
res.set_content(req.body, req.get_header_value("Content-Type"));
|
||||||
|
});
|
||||||
|
svr_.Post("/echo-headers",
|
||||||
|
[](const httplib::Request &req, httplib::Response &res) {
|
||||||
|
std::string r;
|
||||||
|
for (const auto &h : req.headers)
|
||||||
|
r += h.first + ": " + h.second + "\n";
|
||||||
|
res.set_content(r, "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Post("/echo-params",
|
||||||
|
[](const httplib::Request &req, httplib::Response &res) {
|
||||||
|
std::string r = "params:";
|
||||||
|
for (const auto &p : req.params)
|
||||||
|
r += p.first + "=" + p.second + ";";
|
||||||
|
res.set_content(r + " body:" + req.body, "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Post("/large", [](const httplib::Request &, httplib::Response &res) {
|
||||||
|
res.set_content(std::string(100 * 1024, 'X'), "application/octet-stream");
|
||||||
|
});
|
||||||
|
svr_.Put("/echo", [](const httplib::Request &req, httplib::Response &res) {
|
||||||
|
res.set_content("PUT:" + req.body, "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Patch("/echo",
|
||||||
|
[](const httplib::Request &req, httplib::Response &res) {
|
||||||
|
res.set_content("PATCH:" + req.body, "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Delete(
|
||||||
|
"/resource", [](const httplib::Request &req, httplib::Response &res) {
|
||||||
|
res.set_content(req.body.empty() ? "Deleted" : "Deleted:" + req.body,
|
||||||
|
"text/plain");
|
||||||
|
});
|
||||||
|
svr_.Get("/head-test",
|
||||||
|
[](const httplib::Request &, httplib::Response &res) {
|
||||||
|
res.set_content("body for HEAD", "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Options("/options",
|
||||||
|
[](const httplib::Request &, httplib::Response &res) {
|
||||||
|
res.set_header("Allow", "GET, POST, PUT, DELETE, OPTIONS");
|
||||||
|
});
|
||||||
|
thread_ = std::thread([this]() { svr_.listen("localhost", 8790); });
|
||||||
|
svr_.wait_until_ready();
|
||||||
|
}
|
||||||
|
void TearDown() override {
|
||||||
|
svr_.stop();
|
||||||
|
if (thread_.joinable()) thread_.join();
|
||||||
|
}
|
||||||
|
httplib::Server svr_;
|
||||||
|
std::thread thread_;
|
||||||
|
};
|
||||||
|
|
||||||
|
// stream::Get tests
|
||||||
|
TEST_F(StreamApiTest, GetBasic) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
auto result = httplib::stream::Get(cli, "/hello");
|
||||||
|
ASSERT_TRUE(result.is_valid());
|
||||||
|
EXPECT_EQ(200, result.status());
|
||||||
|
EXPECT_EQ("Hello World!", read_body(result));
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(StreamApiTest, GetWithParams) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
httplib::Params params{{"foo", "bar"}};
|
||||||
|
auto result = httplib::stream::Get(cli, "/echo-params", params);
|
||||||
|
ASSERT_TRUE(result.is_valid());
|
||||||
|
EXPECT_TRUE(read_body(result).find("foo=bar") != std::string::npos);
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(StreamApiTest, GetConnectionError) {
|
||||||
|
httplib::Client cli("localhost", 9999);
|
||||||
|
EXPECT_FALSE(httplib::stream::Get(cli, "/hello").is_valid());
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(StreamApiTest, Get404) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
auto result = httplib::stream::Get(cli, "/nonexistent");
|
||||||
|
EXPECT_TRUE(result.is_valid());
|
||||||
|
EXPECT_EQ(404, result.status());
|
||||||
|
}
|
||||||
|
|
||||||
|
// stream::Post tests
|
||||||
|
TEST_F(StreamApiTest, PostBasic) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
auto result = httplib::stream::Post(cli, "/echo", R"({"key":"value"})",
|
||||||
|
"application/json");
|
||||||
|
ASSERT_TRUE(result.is_valid());
|
||||||
|
EXPECT_EQ("application/json", result.get_header_value("Content-Type"));
|
||||||
|
EXPECT_EQ(R"({"key":"value"})", read_body(result));
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(StreamApiTest, PostWithHeaders) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
httplib::Headers headers{{"X-Custom", "value"}};
|
||||||
|
auto result = httplib::stream::Post(cli, "/echo-headers", headers, "body",
|
||||||
|
"text/plain");
|
||||||
|
EXPECT_TRUE(read_body(result).find("X-Custom: value") != std::string::npos);
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(StreamApiTest, PostWithParams) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
httplib::Params params{{"k", "v"}};
|
||||||
|
auto result =
|
||||||
|
httplib::stream::Post(cli, "/echo-params", params, "data", "text/plain");
|
||||||
|
auto body = read_body(result);
|
||||||
|
EXPECT_TRUE(body.find("k=v") != std::string::npos);
|
||||||
|
EXPECT_TRUE(body.find("body:data") != std::string::npos);
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_F(StreamApiTest, PostLarge) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
auto result = httplib::stream::Post(cli, "/large", "", "text/plain");
|
||||||
|
size_t total = 0;
|
||||||
|
while (result.next()) {
|
||||||
|
total += result.size();
|
||||||
|
}
|
||||||
|
EXPECT_EQ(100u * 1024u, total);
|
||||||
|
}
|
||||||
|
|
||||||
|
// stream::Put/Patch tests
|
||||||
|
TEST_F(StreamApiTest, PutAndPatch) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
auto put = httplib::stream::Put(cli, "/echo", "test", "text/plain");
|
||||||
|
EXPECT_EQ("PUT:test", read_body(put));
|
||||||
|
auto patch = httplib::stream::Patch(cli, "/echo", "test", "text/plain");
|
||||||
|
EXPECT_EQ("PATCH:test", read_body(patch));
|
||||||
|
}
|
||||||
|
|
||||||
|
// stream::Delete tests
|
||||||
|
TEST_F(StreamApiTest, Delete) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
auto del1 = httplib::stream::Delete(cli, "/resource");
|
||||||
|
EXPECT_EQ("Deleted", read_body(del1));
|
||||||
|
auto del2 = httplib::stream::Delete(cli, "/resource", "data", "text/plain");
|
||||||
|
EXPECT_EQ("Deleted:data", read_body(del2));
|
||||||
|
}
|
||||||
|
|
||||||
|
// stream::Head/Options tests
|
||||||
|
TEST_F(StreamApiTest, HeadAndOptions) {
|
||||||
|
httplib::Client cli("localhost", 8790);
|
||||||
|
auto head = httplib::stream::Head(cli, "/head-test");
|
||||||
|
EXPECT_TRUE(head.is_valid());
|
||||||
|
EXPECT_FALSE(head.get_header_value("Content-Length").empty());
|
||||||
|
|
||||||
|
auto opts = httplib::stream::Options(cli, "/options");
|
||||||
|
EXPECT_EQ("GET, POST, PUT, DELETE, OPTIONS", opts.get_header_value("Allow"));
|
||||||
|
}
|
||||||
|
|
||||||
|
// SSL stream::* tests
|
||||||
|
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
|
||||||
|
class SSLStreamApiTest : public ::testing::Test {
|
||||||
|
protected:
|
||||||
|
void SetUp() override {
|
||||||
|
svr_.Get("/hello", [](const httplib::Request &, httplib::Response &res) {
|
||||||
|
res.set_content("Hello SSL!", "text/plain");
|
||||||
|
});
|
||||||
|
svr_.Post("/echo", [](const httplib::Request &req, httplib::Response &res) {
|
||||||
|
res.set_content(req.body, "text/plain");
|
||||||
|
});
|
||||||
|
thread_ = std::thread([this]() { svr_.listen("127.0.0.1", 8803); });
|
||||||
|
svr_.wait_until_ready();
|
||||||
|
}
|
||||||
|
void TearDown() override {
|
||||||
|
svr_.stop();
|
||||||
|
if (thread_.joinable()) thread_.join();
|
||||||
|
}
|
||||||
|
httplib::SSLServer svr_{"cert.pem", "key.pem"};
|
||||||
|
std::thread thread_;
|
||||||
|
};
|
||||||
|
|
||||||
|
TEST_F(SSLStreamApiTest, GetAndPost) {
|
||||||
|
httplib::SSLClient cli("127.0.0.1", 8803);
|
||||||
|
cli.enable_server_certificate_verification(false);
|
||||||
|
auto get = httplib::stream::Get(cli, "/hello");
|
||||||
|
EXPECT_EQ("Hello SSL!", read_body(get));
|
||||||
|
auto post = httplib::stream::Post(cli, "/echo", "test", "text/plain");
|
||||||
|
EXPECT_EQ("test", read_body(post));
|
||||||
|
}
|
||||||
|
#endif
|
||||||
Reference in New Issue
Block a user