Add routing
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parent
1368b7b69b
commit
4316fb2a73
7 changed files with 534 additions and 109 deletions
111
server.odin
111
server.odin
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@ -8,19 +8,21 @@ import "core:net"
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import "core:path/slashpath"
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import "core:strconv"
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import "core:strings"
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import "core:sync"
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import "core:unicode"
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import http "http"
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Server :: struct($Error_Type: typeid) {
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endpoint: net.Endpoint,
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router: Router(EndpointHandler(Error_Type)),
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not_found_handler: #type proc(
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request: ^http.Request,
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) -> (
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http.Response,
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Error_Type,
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),
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router: Router(Error_Type),
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shutdown: bool,
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}
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@(private)
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@ -75,62 +77,16 @@ server_init :: proc(
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)
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return http_response, nil
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},
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shutdown = false,
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}
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router_init(&server.router)
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router_init(&server.router, allocator)
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}
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server_destroy :: proc(server: ^Server($Error_Type)) {
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router_destroy(&server.router)
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}
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server_add_handler :: proc(
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server: ^Server($Error_Type),
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method: http.Method,
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path: []string,
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handle_proc: #type proc(
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request: ^http.Request,
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) -> (
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http.Response,
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Error_Type,
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),
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) {
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path_variables := make([dynamic]string, context.allocator)
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defer delete(path_variables)
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for seg in path {
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is_path_var :=
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strings.has_prefix(seg, "{") && strings.has_suffix(seg, "}")
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if is_path_var {
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append(&path_variables, seg[1:len(seg) - 1])
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}
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}
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joined_path := slashpath.join(path, context.allocator)
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defer delete(joined_path)
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if joined_path == "" {
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router_add_route(
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&server.router,
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"/",
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EndpointHandler(Error_Type){method},
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)
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server.handlers["/"] = EndpointHandler(Error_Type) {
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method,
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handle_proc,
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path_variables[:],
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}
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} else {
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server.handlers[joined_path] = Handler(Error_Type) {
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method,
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handle_proc,
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path_variables[:],
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}
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}
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}
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// This is used instead of server_make param until compiler bug is fixed: https://github.com/odin-lang/Odin/issues/5792
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// This is used instead of default server_make param until compiler bug is fixed: https://github.com/odin-lang/Odin/issues/5792
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server_set_not_found_handler :: proc(
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server: ^Server($Error_Type),
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not_found_handler: #type proc(
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@ -143,22 +99,27 @@ server_set_not_found_handler :: proc(
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server.not_found_handler = not_found_handler
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}
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match_handler_pattern :: proc(
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server_add_route :: proc(
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server: ^Server($Error_Type),
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method: http.Method,
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path: string,
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allocator := context.allocator,
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) -> (
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path: []string,
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handler: #type proc(request: ^http.Request) -> (http.Response, Error_Type),
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path_variables: map[string]string,
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) {
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path_variables = make(map[string]string, allocator)
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segments := strings.split(path, "/", context.allocator)
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defer delete(segments)
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router_add_route(&server.router, method, path, handler)
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}
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handler = server.handlers[identifier].procedure
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server_remove_route :: proc(
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server: ^Server($Error_Type),
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method: http.Method,
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path: []string,
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) -> (
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ok: bool,
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) {
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return router_remove_route(&server.router, method, path)
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}
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return handler, path_variables
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server_shutdown :: proc(server: ^Server($Error_Type)) {
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sync.atomic_store(&server.shutdown, true)
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}
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listen_and_serve :: proc(server: ^Server($Error_Type)) {
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@ -166,7 +127,7 @@ listen_and_serve :: proc(server: ^Server($Error_Type)) {
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log.assert(net_err == nil, "Couldn't create TCP socket")
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defer net.close(server_socket)
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for {
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for !sync.atomic_load(&server.shutdown) {
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client_socket, source, net_err := net.accept_tcp(server_socket)
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if net_err != nil {
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log.warnf("Failed to accept TCP connection, reason: %s", net_err)
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@ -201,13 +162,29 @@ listen_and_serve :: proc(server: ^Server($Error_Type)) {
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http.Response,
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Error_Type,
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)
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handler, http_request.path_variables = match_handler_pattern(
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server,
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http_request.method,
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http_request.path,
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)
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ok: bool
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http_response, err := handler(&http_request)
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// todo: should sanitize better
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path := strings.split(
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http_request.path,
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"/",
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context.temp_allocator,
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)[1:]
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handler, http_request.path_variables, ok = router_lookup(
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&server.router,
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http_request.method,
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path,
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context.temp_allocator,
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)
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if !ok do handler = server.not_found_handler
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http_response, handler_err := handler(&http_request)
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if handler_err != nil {
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log.warnf("Handler failed with error: %s", handler_err)
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continue
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}
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marshalled_response := http.marshall_response(
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&http_response,
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