Now we're uploading some data.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4682 ed5197a5-7fde-0310-b194-c3ffbd925b24

src/http.c

@@ -2,11 +2,13 @@
 
 #include "log.h"
 #include "mem.h"
+#include "util.js.h"
 
 #include "picohttpparser.h"
 #include "uv.h"
 
 #include <assert.h>
+#include <stdlib.h>
 #include <string.h>
 
 #if !defined(__APPLE__) && !defined(__OpenBSD__) && !defined(_WIN32)
@@ -18,12 +20,26 @@ typedef struct _tf_http_connection_t
 	tf_http_t* http;
 	uv_tcp_t tcp;
 
+	const char* method;
+	const char* path;
+
+	char headers_buffer[8192];
+	size_t headers_buffer_length;
+	int parsed_length;
+
 	char buffer[8192];
 	size_t buffer_length;
-	int parsed_length;
+
+	struct phr_header headers[32];
+	int headers_length;
+	bool headers_done;
 
 	tf_http_callback_t* callback;
 	void* user_data;
+
+	void* body;
+	size_t body_length;
+	size_t content_length;
 } tf_http_connection_t;
 
 typedef struct _tf_http_handler_t
@@ -49,6 +65,7 @@ typedef struct _tf_http_t
 } tf_http_t;
 
 static void _http_connection_destroy(tf_http_connection_t* connection);
+static const char* _http_status_text(int status);
 
 tf_http_t* tf_http_create(uv_loop_t* loop)
 {
@@ -63,14 +80,21 @@ tf_http_t* tf_http_create(uv_loop_t* loop)
 void _http_allocate_buffer(uv_handle_t* handle, size_t suggestedSize, uv_buf_t* buf)
 {
 	tf_http_connection_t* connection = handle->data;
+	if (!connection->headers_done)
+	{
+		*buf = uv_buf_init(connection->headers_buffer + connection->headers_buffer_length, sizeof(connection->headers_buffer) - connection->headers_buffer_length);
+	}
+	else
+	{
 		*buf = uv_buf_init(connection->buffer + connection->buffer_length, sizeof(connection->buffer) - connection->buffer_length);
 	}
+}
 
 bool _http_find_handler(tf_http_t* http, const char* path, tf_http_callback_t** out_callback, void** out_user_data)
 {
 	for (int i = 0; i < http->handlers_count; i++)
 	{
-		if (!http->handlers[i].pattern)
+		if (!http->handlers[i].pattern || strcmp(path, http->handlers[i].pattern) == 0)
 		{
 			*out_callback = http->handlers[i].callback;
 			*out_user_data = http->handlers[i].user_data;
@@ -108,58 +132,105 @@ static void _http_connection_destroy(tf_http_connection_t* connection)
 				http->connections[i] = http->connections[--http->connections_count];
 			}
 		}
+		if (connection->body)
+		{
+			tf_free(connection->body);
+			connection->body = NULL;
+		}
 		tf_free(connection);
 	}
 }
 
-void _http_on_read(uv_stream_t* stream, ssize_t read_size, const uv_buf_t* buffer)
+static void _http_builtin_404_handler(tf_http_request_t* request)
+{
+	const char* k_payload = _http_status_text(404);
+	tf_http_respond(request, 404, NULL, 0, k_payload, strlen(k_payload));
+}
+
+static void _http_add_body_bytes(tf_http_connection_t* connection, const void* data, size_t size)
+{
+	size_t fit = tf_min(connection->content_length - connection->body_length, size);
+	if (fit > 0)
+	{
+		memcpy((char*)connection->body + connection->body_length, data, fit);
+		connection->body_length += fit;
+	}
+
+	if (connection->body_length == connection->content_length)
+	{
+		tf_http_request_t request =
+		{
+			.connection = connection,
+			.phase = k_http_callback_phase_headers_received,
+			.method = connection->method,
+			.path = connection->path,
+			.headers = connection->headers,
+			.headers_count = connection->headers_length,
+			.user_data = connection->user_data,
+		};
+		connection->callback(&request);
+	}
+}
+
+static void _http_on_read(uv_stream_t* stream, ssize_t read_size, const uv_buf_t* buffer)
 {
 	tf_http_connection_t* connection = stream->data;
 	if (read_size > 0)
 	{
-		connection->buffer_length += read_size;
+		if (!connection->headers_done)
+		{
+			connection->headers_buffer_length += read_size;
 
 			const char* method = NULL;
 			size_t method_length = 0;
 			const char* path = NULL;
 			size_t path_length = 0;
 			int minor_version = 0;
-		struct phr_header headers[100];
+			size_t header_count = sizeof(connection->headers) / sizeof(*connection->headers);
-		size_t header_count = sizeof(headers) / sizeof(*headers);
 
-		int parse_result = phr_parse_request(connection->buffer, connection->buffer_length, &method, &method_length, &path, &path_length, &minor_version, headers, &header_count, connection->parsed_length);
+			int parse_result = phr_parse_request(connection->headers_buffer, connection->headers_buffer_length, &method, &method_length, &path, &path_length, &minor_version, connection->headers, &header_count, connection->parsed_length);
-		connection->parsed_length = connection->buffer_length;
+			connection->parsed_length = connection->headers_buffer_length;
 			if (parse_result > 0)
 			{
-			if (_http_find_handler(connection->http, path, &connection->callback, &connection->user_data) && connection->callback)
+				connection->headers_done = true;
-			{
+				connection->method = method;
-				char* method_copy = alloca(method_length + 1);
+				((char*)connection->method)[method_length] = '\0';
-				memcpy(method_copy, method, method_length);
+				connection->path = path;
-				method_copy[method_length] = '\0';
+				((char*)connection->path)[path_length] = '\0';
 
-				char* path_copy = alloca(path_length + 1);
+				for (int i = 0; i < (int)header_count; i++)
-				memcpy(path_copy, path, path_length);
-				path_copy[path_length] = '\0';
-
-				tf_http_request_t request =
 				{
-					.connection = connection,
+					if (connection->headers[i].name_len == strlen("content-length") &&
-					.phase = k_http_callback_phase_headers_received,
+						strncasecmp(connection->headers[i].name, "content-length", connection->headers[i].name_len) == 0)
-					.method = method_copy,
+					{
-					.path = path_copy,
+						connection->content_length = strtoull(connection->headers[i].value, NULL, 10);
-					.headers = headers,
-					.headers_count = (int)header_count,
-					.user_data = connection->user_data,
-				};
-				connection->callback(&request);
 					}
 				}
+
+				if (connection->content_length)
+				{
+					connection->body = tf_malloc(connection->content_length);
+				}
+
+				if (!_http_find_handler(connection->http, connection->path, &connection->callback, &connection->user_data) || !connection->callback)
+				{
+					connection->callback = _http_builtin_404_handler;
+				}
+
+				_http_add_body_bytes(connection, connection->headers_buffer + parse_result, connection->headers_buffer_length - parse_result);
+			}
 			else
 			{
 				tf_printf("phr_parse_request: %d\n", parse_result);
 			}
 		}
 		else
+		{
+			connection->buffer_length += read_size;
+			_http_add_body_bytes(connection, connection->buffer, connection->buffer_length);
+		}
+	}
+	else
 	{
 		_http_connection_destroy(connection);
 	}
@@ -268,6 +339,14 @@ void tf_http_destroy(tf_http_t* http)
 	http->listeners = NULL;
 	http->listeners_count = 0;
 
+	for (int i = 0; i < http->handlers_count; i++)
+	{
+		if (http->handlers[i].pattern)
+		{
+			tf_free((void*)http->handlers[i].pattern);
+			http->handlers[i].pattern = NULL;
+		}
+	}
 	tf_free(http->handlers);
 	http->handlers_count = 0;
 
@@ -347,3 +426,9 @@ void tf_http_respond(tf_http_request_t* request, int status, const char** header
 	*shutdown_request = (uv_shutdown_t) { .data = request };
 	uv_shutdown(shutdown_request, (uv_stream_t*)&request->connection->tcp, _http_on_shutdown);
 }
+
+size_t tf_http_get_body(const tf_http_request_t* request, const void** out_data)
+{
+	*out_data = request->connection->body;
+	return request->connection->content_length;
+}

src/http.h

@@ -29,4 +29,5 @@ tf_http_t* tf_http_create(uv_loop_t* loop);
 void tf_http_listen(tf_http_t* http, int port);
 void tf_http_add_handler(tf_http_t* http, const char* pattern, tf_http_callback_t* callback, void* user_data);
 void tf_http_respond(tf_http_request_t* request, int status, const char** headers, int headers_count, const void* body, size_t content_length);
+size_t tf_http_get_body(const tf_http_request_t* request, const void** out_data);
 void tf_http_destroy(tf_http_t* http);

src/tests.c

@@ -685,7 +685,15 @@ static void _test_http_thread(void* data)
 {
 #if defined(__linux__)
 	test_http_t* test = data;
-	int r = system("curl -v http://localhost:23456/");
+	int r = system("curl -v http://localhost:23456/404");
+	assert(WEXITSTATUS(r) == 0);
+	tf_printf("curl returned %d\n", WEXITSTATUS(r));
+
+	r = system("curl -v http://localhost:23456/hello");
+	assert(WEXITSTATUS(r) == 0);
+	tf_printf("curl returned %d\n", WEXITSTATUS(r));
+
+	r = system("curl -v --data 'hello world' http://localhost:23456/post");
 	assert(WEXITSTATUS(r) == 0);
 	tf_printf("curl returned %d\n", WEXITSTATUS(r));
 
@@ -706,12 +714,27 @@ static void _test_http_handler(tf_http_request_t* request)
 	tf_http_respond(request, 200, headers, 1, k_payload, strlen(k_payload));
 }
 
+static void _test_http_handler_post(tf_http_request_t* request)
+{
+	const void* body = NULL;
+	size_t size = tf_http_get_body(request, &body);
+	tf_printf("size = %zd body=%.*s\n", size, (int)size, (const char*)body);
+	const char* headers[] =
+	{
+		"Connection", "close",
+	};
+	const char* k_payload = "Hello, world!\n";
+	tf_http_respond(request, 200, headers, 1, k_payload, strlen(k_payload));
+}
+
 static void _test_http(const tf_test_options_t* options)
 {
+	tf_printf("Starting http.\n");
 	uv_loop_t loop = { 0 };
 	uv_loop_init(&loop);
 	tf_http_t* http = tf_http_create(&loop);
-	tf_http_add_handler(http, NULL, _test_http_handler, NULL);
+	tf_http_add_handler(http, "/hello", _test_http_handler, NULL);
+	tf_http_add_handler(http, "/post", _test_http_handler_post, NULL);
 	tf_http_listen(http, 23456);
 
 	test_http_t test = { .loop = &loop };