cory/tildefriends
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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4682 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2023-12-20 23:58:28 +00:00
parent f4b6812675
commit c2f62cd8e0
3 changed files with 147 additions and 38 deletions
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157
src/http.c
View File

@ -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;
*buf = uv_buf_init(connection->buffer + connection->buffer_length, sizeof(connection->buffer) - connection->buffer_length);
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;
@ -108,55 +132,102 @@ 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;
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(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);
connection->parsed_length = connection->buffer_length;
if (parse_result > 0)
if (!connection->headers_done)
{
if (_http_find_handler(connection->http, path, &connection->callback, &connection->user_data) && connection->callback)
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;
size_t header_count = sizeof(connection->headers) / sizeof(*connection->headers);
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->headers_buffer_length;
if (parse_result > 0)
{
char* method_copy = alloca(method_length + 1);
memcpy(method_copy, method, method_length);
method_copy[method_length] = '\0';
connection->headers_done = true;
connection->method = method;
((char*)connection->method)[method_length] = '\0';
connection->path = path;
((char*)connection->path)[path_length] = '\0';
char* path_copy = alloca(path_length + 1);
memcpy(path_copy, path, path_length);
path_copy[path_length] = '\0';
tf_http_request_t request =
for (int i = 0; i < (int)header_count; i++)
{
.connection = connection,
.phase = k_http_callback_phase_headers_received,
.method = method_copy,
.path = path_copy,
.headers = headers,
.headers_count = (int)header_count,
.user_data = connection->user_data,
};
connection->callback(&request);
if (connection->headers[i].name_len == strlen("content-length") &&
strncasecmp(connection->headers[i].name, "content-length", connection->headers[i].name_len) == 0)
{
connection->content_length = strtoull(connection->headers[i].value, NULL, 10);
}
}
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
{
tf_printf("phr_parse_request: %d\n", parse_result);
connection->buffer_length += read_size;
_http_add_body_bytes(connection, connection->buffer, connection->buffer_length);
}
}
else
@ -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;
}

1
src/http.h
View File

@ -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);

27
src/tests.c
View File

@ -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 };