From 62454373db4cd2add82ded0cf7b21f7d69ade597 Mon Sep 17 00:00:00 2001 From: spl3g Date: Sat, 22 Mar 2025 21:41:16 +0300 Subject: Reorganize the lib --- lib/arena.c | 84 -------- lib/arena.h | 65 ------ lib/arena_strings.c | 53 ----- lib/arena_strings.h | 36 ---- lib/const_strings.c | 86 -------- lib/const_strings.h | 28 --- lib/http.c | 586 ---------------------------------------------------- lib/http.h | 177 ---------------- 8 files changed, 1115 deletions(-) delete mode 100644 lib/arena.c delete mode 100644 lib/arena.h delete mode 100644 lib/arena_strings.c delete mode 100644 lib/arena_strings.h delete mode 100644 lib/const_strings.c delete mode 100644 lib/const_strings.h delete mode 100644 lib/http.c delete mode 100644 lib/http.h (limited to 'lib') diff --git a/lib/arena.c b/lib/arena.c deleted file mode 100644 index 8cd1748..0000000 --- a/lib/arena.c +++ /dev/null @@ -1,84 +0,0 @@ -#include "arena.h" - -region *new_region(size_t cap) { - size_t size_bytes = sizeof(region) + sizeof(uintptr_t)*cap; - region *r = (region *)malloc(size_bytes); - assert(r); - r->next = NULL; - r->len = 0; - r->cap = cap; - return r; -} - -arena arena_init_cap(size_t cap) { - arena a = {0}; - a.region_cap = cap; - return a; -} - -void *arena_alloc(arena *a, size_t size_bytes) { - size_t size = (size_bytes + sizeof(uintptr_t)-1)/sizeof(uintptr_t); - - if (a->end == NULL) { - assert(a->beg == NULL); - size_t capacity = a->region_cap ? a->region_cap : ARENA_REGION_DEFAULT_CAPACITY; - if (capacity < size) capacity = size; - a->beg = new_region(capacity); - a->end = a->beg; - } - - while (a->end->len + size < a->end->cap && a->end->next != NULL) { - a->end = a->end->next; - } - - if (a->end->len + size > a->end->cap) { - size_t capacity = a->region_cap ? a->region_cap : ARENA_REGION_DEFAULT_CAPACITY; - if (capacity < size) capacity = size; - a->beg = new_region(capacity); - a->end->next = new_region(capacity); - a->end = a->end->next; - } - - void *p = &a->end->data[a->end->len]; - a->end->len += size; - return memset(p, 0, size); -} - -void arena_free(arena *a) { - region *r = a->beg; - while (r != NULL) { - region *r0 = r; - r = r0->next; - free(r0); - } -} - -void *arena_realloc(arena *a, void *oldptr, size_t oldsz, size_t newsz) { - if (newsz <= oldsz) return oldptr; - void *newptr = arena_alloc(a, newsz); - char *newptr_char = (char*)newptr; - char *oldptr_char = (char*)oldptr; - for (size_t i = 0; i < oldsz; ++i) { - newptr_char[i] = oldptr_char[i]; - } - return newptr; -} - -void grow_da(void *slice, size_t size, arena *arena) { - struct { - void *data; - size_t len; - size_t cap; - } replica; - memcpy(&replica, slice, sizeof(replica)); - - replica.cap = replica.cap ? replica.cap : 1; - void *data = arena_alloc(arena, size*2*replica.cap); - replica.cap *= 2; - if (replica.len) { - memcpy(data, replica.data, size*replica.len); - } - replica.data = data; - - memcpy(slice, &replica, sizeof(replica)); -} diff --git a/lib/arena.h b/lib/arena.h deleted file mode 100644 index 1f53355..0000000 --- a/lib/arena.h +++ /dev/null @@ -1,65 +0,0 @@ -// Most of the code is from https://github.com/tsoding/arena - -#ifndef ARENA_H_ -#define ARENA_H_ - -#include -#include -#include -#include -#include - -typedef struct region region; - -struct region { - region *next; - size_t cap; - size_t len; - uintptr_t data[]; -}; - -typedef struct { - region *beg; - region *end; - size_t region_cap; -} arena; - -arena arena_init_cap(size_t cap); -void *arena_alloc(arena *a, size_t size); -void arena_free(arena *a); -void *arena_realloc(arena *a, void *oldptr, size_t oldsz, size_t newsz); - -#define new(a, t, c) (t *)arena_alloc(a, sizeof(t)*c) - -#define ARENA_REGION_DEFAULT_CAPACITY (8*1024) -#define ARENA_DA_INIT_CAP (2) - -#define arena_da_reserve(a, da, expected_size) \ - do { \ - if ((expected_size) >= (da)->cap) { \ - size_t new_cap = (da)->cap == 0 ? ARENA_DA_INIT_CAP : (da)->cap*2; \ - while (new_cap < expected_size) { \ - new_cap *= 2; \ - } \ - (da)->data = arena_realloc( \ - (a), (da)->data, \ - (da)->cap*sizeof(*(da)->data), \ - new_cap*sizeof(*(da)->data)); \ - (da)->cap = new_cap; \ - } \ - } while (0) - -#define arena_da_append(a, da, item) \ - do { \ - arena_da_reserve((a), (da), (da)->len + 1); \ - (da)->data[(da)->len++] = (item); \ - } while (0) - -#define arena_da_append_many(a, da, items, items_len) \ - do { \ - arena_da_reserve((a), (da), (da)->len+len); \ - memcpy((da)->data+(da)->len, (items), sizeof(*(da)->data)*items_len); \ - (da)->len += len; \ - } while (0) - -#endif //ARENA_H_ diff --git a/lib/arena_strings.c b/lib/arena_strings.c deleted file mode 100644 index 3497c2e..0000000 --- a/lib/arena_strings.c +++ /dev/null @@ -1,53 +0,0 @@ -#include "arena_strings.h" - -const_string arena_cs_init(arena *a, int len) { - char *str = new(a, char, len+1); - const_string cs = {0}; - cs.data = str; - cs.len = len; - return cs; -} - -const_string arena_cs_append(arena *a, const_string dst, const_string src) { - char *str = new(a, char, dst.len+src.len + 1); - memcpy(str, dst.data, dst.len); - memcpy(str + dst.len, src.data, src.len + 1); - const_string cs = {0}; - cs.data = str; - cs.len = dst.len + src.len; - return cs; -} - -const_string arena_cs_concat(arena *a, const_string_da strings, const_string sep) { - if (strings.len == 0) { - return CS(""); - } else if (strings.len == 0) { - return *strings.data; - } - - int len = sep.len * (strings.len - 1); - for (size_t i = 0; i < strings.len; i++) { - len += (strings.data + i)->len; - }; - - char* str = arena_alloc(a, len); - int offset = 0; - - for (size_t i = 0; i < strings.len; i++) { - int curr_strlen = (strings.data + i)->len; - memcpy(str + offset, - (strings.data + i)->data, - curr_strlen); - - offset += curr_strlen; - - if (i != strings.len - 1) { - memcpy(str + offset, - sep.data, sep.len); - offset += sep.len; - } - }; - *(str + len + 1) = '\0'; - - return (const_string){str, len}; -}; diff --git a/lib/arena_strings.h b/lib/arena_strings.h deleted file mode 100644 index b25435d..0000000 --- a/lib/arena_strings.h +++ /dev/null @@ -1,36 +0,0 @@ -#ifndef ARENA_STRINGS_H_ -#define ARENA_STRINGS_H_ - -#include "arena.h" -#include "const_strings.h" - -typedef struct { - const_string *data; - size_t len; - size_t cap; -} const_string_da; - -typedef struct { - char* data; - size_t len; - size_t cap; -} string_builder; - -const_string arena_cs_append(arena *a, const_string dst, const_string src); -const_string arena_cs_init(arena *a, int len); -const_string arena_cs_concat(arena *a, const_string_da strings, const_string sep); - -#define arena_sb_append_buf(a, sb, buf, len) arena_da_append_many((a), (sb), (buf), (len)) - -#define arena_sb_append_cstr(a, sb, cstr) \ - do { \ - const char * str = (cstr); \ - size_t len = strlen((cstr)); \ - arena_da_append_many((a), (sb), (str), len); \ - } while (0) - -#define arena_sb_append_null(a, sb) arena_da_append_many((a), (sb), "", 1) - -#define arena_sb_to_cs(sb) cs_from_parts((sb).data, (sb).len) - -#endif // ARENA_STRINGS_H_ diff --git a/lib/const_strings.c b/lib/const_strings.c deleted file mode 100644 index 2d743b1..0000000 --- a/lib/const_strings.c +++ /dev/null @@ -1,86 +0,0 @@ -#include "const_strings.h" - -const_string cs_from_parts(const char* data, int len) { - const_string str; - str.data = data; - str.len = len; - - return str; -} - -const_string cs_from_cstr(const char* cstr) { - return cs_from_parts(cstr, strlen(cstr)); -} - -const_string cs_slice(const_string src, int from, int to) { - if (from > src.len) { - return src; - } - - int new_from; - if (from <= 0) { - new_from = 1; - } - new_from -= 1; - - int new_len; - if (to > src.len) { - new_len = src.len; - } else { - new_len = to; - } - - return cs_from_parts(src.data + new_from, new_len); -} - -const_string cs_chop_delim(const_string *str, char delim) { - int n; - for (n = 0; n < str->len && str->data[n] != delim; n++) {} - - const_string result = cs_from_parts(str->data, n); - - if (n < str->len) { - str->len -= n + 1; - str->data += n + 1; - } else { - str->len -= n; - str->data += n; - } - - return result; -} - -bool cs_try_chop_delim(const_string *str, char delim, const_string *dst) { - const_string str_copy = *str; - const_string tmp = cs_chop_delim(&str_copy, delim); - if (str_copy.len == 0) { - return false; - } - *str = str_copy; - *dst = tmp; - return true; -} - -int cs_find_delim(const_string str, char delim) { - int n; - for (n = 0; n < str.len && str.data[n] != delim; n++) {} - - if (n < str.len) { - return n; - } - return -1; -} - -bool cs_eq(const_string str1, const_string str2) { - if (str1.len != str2.len) { - return false; - } - return memcmp(str1.data, str2.data, str1.len) == 0; -} - -void cs_print(char *format, const_string str) { - char buf[str.len + 1]; - memcpy(buf, str.data, str.len); - buf[str.len] = '\0'; - printf(format, buf); -} diff --git a/lib/const_strings.h b/lib/const_strings.h deleted file mode 100644 index cb92442..0000000 --- a/lib/const_strings.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef CONST_STRINGS_H_ -#define CONST_STRINGS_H_ - -#include -#include -#include - -typedef struct { - const char* data; - int len; -} const_string; - -const_string cs_from_parts(const char* data, int len); -const_string cs_from_cstr(const char* cstr); -const_string cs_slice(const_string src, int from, int to); -const_string cs_chop_delim(const_string *src, char delim); -bool cs_try_chop_delim(const_string *str, char delim, const_string *dst); -int cs_find_delim(const_string str, char delim); -bool cs_eq(const_string str1, const_string str2); -void cs_print(char *format, const_string str); - -#define CS(cstr) cs_from_parts(cstr, sizeof(cstr) - 1) -#define CS_STATIC(cstr) {.data = cstr, .len = sizeof(cstr) - 1} - -#define CS_FMT "%.*s" -#define CS_ARG(cs) (int) (cs).len, (cs).data - -#endif // STRINGS_H_ diff --git a/lib/http.c b/lib/http.c deleted file mode 100644 index 64b357b..0000000 --- a/lib/http.c +++ /dev/null @@ -1,586 +0,0 @@ -#include "http.h" - -#define MAX_DATA_SIZE 256 -#define BUFFER_SIZE 4096 -#define REQUEST_ARENA_SIZE 1024 - -int volatile keepRunning = 1; - -struct { - http_response_code code; - const_string string; -} response_strings [] = { - {100, CS_STATIC("Continue")}, - {101, CS_STATIC("Switching Protocols")}, - {102, CS_STATIC("Processing")}, - {103, CS_STATIC("Early Hints")}, - {200, CS_STATIC("OK")}, - {201, CS_STATIC("Created")}, - {202, CS_STATIC("Accepted")}, - {204, CS_STATIC("No Content")}, - {300, CS_STATIC("Multiple Choices")}, - {301, CS_STATIC("Moved Permanently")}, - {302, CS_STATIC("Found")}, - {303, CS_STATIC("See Other")}, - {304, CS_STATIC("Not Modified")}, - {307, CS_STATIC("Temporary Redirect")}, - {308, CS_STATIC("Permanent Redirect")}, - {400, CS_STATIC("Bad Request")}, - {401, CS_STATIC("Unauthorized")}, - {402, CS_STATIC("Payment Required")}, - {403, CS_STATIC("Forbidden")}, - {404, CS_STATIC("Not Found")}, - {405, CS_STATIC("Method Not Allowed")}, - {406, CS_STATIC("Not Acceptable")}, - {408, CS_STATIC("Request Timeout")}, - {418, CS_STATIC("Im A Teepot")}, - {500, CS_STATIC("Internal Server Error")}, - {501, CS_STATIC("Not Implemented")}, - {502, CS_STATIC("Bad Gateway")}, - {503, CS_STATIC("Service Unavailable")}, - {505, CS_STATIC("Http Version Not Suppported")}, -}; - -const_string get_response_string(http_response_code code) { - for (int i = 0; sizeof(response_strings)/sizeof(response_strings[0]) ;i++) { - if (response_strings[i].code == code) { - return response_strings[i].string; - } - } - return CS(""); -} - - -void sigchld_handler() { - // waitpid() might overwrite errno, so we save and restore it: - int saved_errno = errno; - - while(waitpid(-1, NULL, WNOHANG) > 0); - - errno = saved_errno; -} - -void http_log(http_log_level log, char *fmt, ...) { - switch (log) { - case HTTP_INFO: - fprintf(stderr, "[INFO] "); - break; - - case HTTP_WARNING: - fprintf(stderr, "[WARNING] "); - break; - - case HTTP_ERROR: - fprintf(stderr, "[ERROR] "); - break; - } - - va_list args; - va_start(args, fmt); - vfprintf(stderr, fmt, args); - va_end(args); -} - - -void *get_in_addr(struct sockaddr *sa) { - if (sa->sa_family == AF_INET) { - return &(((struct sockaddr_in*)sa)->sin_addr); - } - - return &(((struct sockaddr_in6*)sa)->sin6_addr); -} - -int get_in_port(struct sockaddr *sa) { - if (sa->sa_family == AF_INET) { - return ntohs((((struct sockaddr_in*)sa)->sin_port)); - } - - return (((struct sockaddr_in6*)sa)->sin6_port); -} - -void set_context_value(arena *arena, http_context *ctx, http_context_value kv) { - for (size_t i = 0; i < ctx->len; i++) { - http_context_value *ctx_val = (ctx->data + i); - if (cs_eq(kv.key, ctx_val->key)) { - ctx_val->val = kv.val; - return; - } - } - arena_da_append(arena, ctx, kv); -} - -void *get_context_value(http_context *ctx, char* key) { - if (ctx == NULL) { - return NULL; - } - - const_string key_cs = cs_from_cstr(key); - for (size_t i = 0; i < ctx->len; i++) { - http_context_value *ctx_val = (ctx->data + i); - if (cs_eq(key_cs, ctx_val->key)) { - return ctx_val->val; - } - } - return NULL; -} - -void http_internal_server_error_handler(http_request req) { - const_string *error = get_context_value(req.ctx, "error"); - req.resp->code = INTERNAL_SERVER_ERROR; - req.resp->body = *error; - http_send(req); -} - -void http_not_found_handler(http_request req) { - req.resp->code = NOT_FOUND; - http_send(req); -} - -void http_run_next(http_middleware *self, http_request req) { - if (self->next == NULL) { - (self->handler)(req); - return; - } - - (self->next->func)(self->next, req); -}; - -void http_register_handler_middleware(arena *arena, http_handler *hand, http_middleware_func func) { - http_middleware *middleware = arena_alloc(arena, sizeof(http_middleware)); - middleware->func = func; - middleware->handler = hand->func; - if (hand->middleware == NULL) { - hand->middleware = middleware; - return; - } - - http_middleware **prev = &hand->middleware; - http_middleware *next = hand->middleware; - while (next->next != NULL) { - prev = &next; - next = next->next; - } - middleware->next = next; - *prev = middleware; -} - -void http_register_global_middleware(http_server *serv, http_middleware_func func) { - arena *arena = serv->arena; - - http_middleware *middleware = arena_alloc(arena, sizeof(http_middleware)); - http_handler_func *handler = arena_alloc(arena, sizeof(http_handler_func)); - middleware->func = func; - middleware->handler = *handler; - if (serv->global_middleware == NULL) { - http_global_middleware *global_middleware = arena_alloc(arena, sizeof(http_global_middleware)); - global_middleware->start = middleware; - global_middleware->end = middleware; - serv->global_middleware = global_middleware; - return; - } - - serv->global_middleware->end->next = middleware; - serv->global_middleware->end = middleware; -} - -int init_server(arena *arena, http_server *serv, char *addr, char *port) { - // serv initialization - struct addrinfo hints, *res; - - memset(&hints, 0, sizeof hints); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - hints.ai_flags = AI_PASSIVE; - - int status = getaddrinfo(addr, port, &hints, &res); - if (status != 0) { - fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status)); - return 1; - } - - int sockfd = socket(res->ai_family, res->ai_socktype, 0); - if (sockfd < 0) { - perror("socket"); - return 1; - } - - int yes = 1; - if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof yes) == -1) { - perror("setsockopt"); - return 1; - } - - if (bind(sockfd, res->ai_addr, res->ai_addrlen)) { - perror("bind"); - return 1; - } - - serv->arena = arena; - serv->addr = (struct sockaddr *)res->ai_addr; - serv->sockfd = sockfd; - - freeaddrinfo(res); - - struct sigaction sa; - sa.sa_handler = sigchld_handler; - sigemptyset(&sa.sa_mask); - sa.sa_flags = SA_RESTART; - if (sigaction(SIGCHLD, &sa, NULL) == -1) { - perror("sigaction"); - return 1; - } - - return 0; -} - -http_handler *http_handle_path(http_server *serv, char* method, char* path, http_handler_func handler) { - http_handler hand = { - .method = cs_from_cstr(method), - .path = cs_from_cstr(path), - .func = handler, - }; - - arena_da_append(serv->arena, &serv->handlers, hand); - return &serv->handlers.data[serv->handlers.len-1]; -} - -const_string http_compose_response(arena *arena, http_response *resp) { - const_string_da header_da = {0}; - arena_da_append(arena, &header_da, CS("HTTP/1.1")); - - if (resp->code != 0) { - char buf[4]; - sprintf(buf, "%ld", resp->code); - arena_da_append(arena, &header_da, cs_from_cstr(buf)); - arena_da_append(arena, &header_da, get_response_string(resp->code)); - } else { - printf("Response is handeled, but no code is given\n"); - arena_da_append(arena, &header_da, CS("500")); - arena_da_append(arena, &header_da, get_response_string(INTERNAL_SERVER_ERROR)); - } - - const_string_da resp_da= {0}; - - const_string http_header = arena_cs_concat(arena, header_da, CS(" ")); - arena_da_append(arena, &resp_da, http_header); - - for (size_t i = 0; i < resp->headers.len; i++) { - KV *header = (resp->headers.data + i); - const_string header_str = {0}; - header_str = arena_cs_append(arena, header_str, header->key); - header_str = arena_cs_append(arena, header_str, CS(": ")); - header_str = arena_cs_append(arena, header_str, header->value); - arena_da_append(arena, &resp_da, header_str); - } - - arena_da_append(arena, &resp_da, CS("")); - if (resp->body.len != 0) { - arena_da_append(arena, &resp_da, resp->body); - } - - const_string str = arena_cs_concat(arena, resp_da, CS("\r\n")); - - return str; -} - - -void http_send_response(size_t inc_fd, const_string resp) { - const char *resp_cstr = resp.data; - int resp_len = resp.len; - - int sent = send(inc_fd, resp_cstr, resp_len, 0); - while (sent > 0 && resp_len - sent > 0) { - resp_len -= sent; - sent = send(inc_fd, resp_cstr, resp_len, 0); - } - - if (sent < 0) { - perror("send"); - } -} - -void http_send(http_request req) { - arena *arena = req.arena; - - assert(req.resp->code); - const_string response = http_compose_response(arena, req.resp); - http_send_response(req.inc_fd, response); - req.resp->sent = true; -} - -void http_send_json(http_request req, const_string json) { - arena *arena = req.arena; - - int num_str_len = snprintf(NULL, 0, "%d", json.len); - char* len_str = arena_alloc(arena, snprintf(NULL, 0, "%d", json.len)); - sprintf(len_str, "%d", json.len); - const_string len_cs = {len_str, num_str_len}; - - arena_da_append(arena, &req.resp->headers, ((KV){CS("Content-Length"), len_cs})); - arena_da_append(arena, &req.resp->headers, ((KV){CS("Content-Type"), CS("application/json")})); - req.resp->body = json; - - http_send(req); -} -void http_send_body(http_request req, const_string body) { - arena *arena = req.arena; - - int num_str_len = snprintf(NULL, 0, "%d", body.len+2); - char* len_str = arena_alloc(arena, snprintf(NULL, 0, "%d", body.len)); - sprintf(len_str, "%d", body.len); - const_string len_cs = {len_str, num_str_len}; - - arena_da_append(arena, &req.resp->headers, ((KV){CS("Content-Length"), len_cs})); - arena_da_append(arena, &req.resp->headers, ((KV){CS("Content-Type"), CS("application/text")})); - req.resp->body = body; - - http_send(req); -} - -int chop_query(arena *arena, const_string *path, http_query_da *queries) { - const_string queries_str = *path; - int query_count = 0; - - if (!cs_try_chop_delim(&queries_str, '?', path)) { - return 0; - } - - const_string query_str; - - if (!cs_try_chop_delim(&queries_str, '&', &query_str)) { - query_str = queries_str; - } - - do { - KV query = {0}; - const_string key; - if (!cs_try_chop_delim(&query_str, '=', &key)) { - return -1; - } - - query.key = key; - query.value = query_str; - arena_da_append(arena, queries, query); - query_count++; - } while (cs_try_chop_delim(&queries_str, '&', &query_str)); - - return query_count; -} - -const_string chop_request(const_string *req_str, char delim, bool *parse_err) { - if (*parse_err) { - return CS(""); - } - const_string str; - if (!cs_try_chop_delim(req_str, delim, &str)) { - *parse_err = true; - return CS(""); - } - return str; -} - -int parse_request(arena *arena, size_t inc_fd, http_request *req) { - char buf[MAX_DATA_SIZE]; - const_string req_str = {0}; - - int got = recv(inc_fd, &buf, MAX_DATA_SIZE - 1, 0); - if (got < 0) { - perror("recv"); - return REQUEST_TIMEOUT; - } - - buf[got] = '\0'; - - req_str = arena_cs_append(arena, req_str, cs_from_cstr(buf)); - - while (got == MAX_DATA_SIZE - 1) { - got = recv(inc_fd, &buf, MAX_DATA_SIZE - 1, 0); - if (got < 0) { - perror("recv"); - return REQUEST_TIMEOUT; - } - - buf[got] = '\0'; - - const_string tmp = cs_from_parts(buf, got); - req_str = arena_cs_append(arena, req_str, tmp); - } - - bool parse_err = false; - - const_string method = chop_request(&req_str, ' ', &parse_err); - const_string path = chop_request(&req_str, ' ', &parse_err); - chop_request(&req_str, '\r', &parse_err); - req_str.data += 1; - - header_da headers = {0}; - while (!parse_err && req_str.data[0] != '\r') { - const_string header_str = chop_request(&req_str, '\r', &parse_err); - req_str.data += 1; - - KV header; - header.key = chop_request(&header_str, ':', &parse_err); - header_str.data++; - header.value = header_str; - - arena_da_append(arena, &headers, header); - } - chop_request(&req_str, '\n', &parse_err); - - if (parse_err) { - return BAD_REQUEST; - } - - http_query_da queries = {0}; - - if (chop_query(arena, &path, &queries) < 0) { - return BAD_REQUEST; - } - - - req->method = method; - req->path = path; - req->query = queries; - req->headers = headers; - req->body = req_str; - - return 0; -} - -bool check_handler(http_handler hand, http_request req) { - arena *arena = req.arena; - http_context *ctx = req.ctx; - - const_string handler_path = hand.path; - const_string req_path = req.path; - if (!(cs_eq(hand.method, req.method) || - (cs_eq(hand.method, CS("GET")) && cs_eq(req.method, CS("HEAD"))))) { - return false; - } - - const_string path; - bool entered = false; - - while (cs_try_chop_delim(&handler_path, ':', &path)) { - entered = true; - - const_string req_byte = {req_path.data, path.len}; - if (!cs_eq(path, req_byte)) { - return false; - } - - req_path.data += path.len; - req_path.len -= path.len; - - const_string name = cs_chop_delim(&handler_path, '/'); - const_string tmp = cs_chop_delim(&req_path, '/'); - const_string *value = arena_alloc(arena, sizeof(const_string)); - *value = tmp; - set_context_value(arena, ctx, (http_context_value){name, (void *)value}); - } - - if (!entered && !cs_eq(handler_path, req_path)) { - return false; - } - - return true; -} - -struct process_request_args { - http_server serv; - size_t inc_fd; -}; - -void *process_request(void *args) { - struct process_request_args *pargs = args; - http_server serv = pargs->serv; - size_t inc_fd = pargs->inc_fd; - - arena req_arena = {0}; - - http_request req = {0}; - req.inc_fd = inc_fd; - req.arena = &req_arena; - - http_response resp = {0}; - req.resp = &resp; - - int parse_res = parse_request(&req_arena, inc_fd, &req); - if (parse_res != 0) { - resp.code = parse_res; - http_send(req); - } - - http_context req_context = {0}; - for (size_t i = 0; i < serv.global_ctx.len; i++) { - set_context_value(&req_arena, &req_context, *(serv.global_ctx.data + i)); - } - req.ctx = &req_context; - - http_global_middleware *g_mid = serv.global_middleware; - if (!resp.sent) { - for (size_t i = 0; i < serv.handlers.len; i++) { - http_handler handler = serv.handlers.data[i]; - if (check_handler(handler, req)) { - if (serv.global_middleware != NULL) { - g_mid->end->next = handler.middleware; - g_mid->end->handler = handler.func; - g_mid->start->func(g_mid->start, req); - } else if (handler.middleware != NULL) { - handler.middleware->func(handler.middleware, req); - } else { - handler.func(req); - } - - if (!resp.sent) { - const_string error = CS("Server handled the request but did not send anything\n"); - http_log(HTTP_ERROR, "%s", error.data); - set_context_value(&req_arena, &req_context, (http_context_value){CS("error"), (void *)&error}); - g_mid->end->handler = http_internal_server_error_handler; - g_mid->start->func(g_mid->start, req); - } - break; - } - } - } - - if (!resp.code) { - g_mid->end->handler = http_not_found_handler; - g_mid->start->func(g_mid->start, req); - } - - close(inc_fd); - arena_free(&req_arena); - - pthread_exit(NULL); -} - -int listen_and_serve(http_server *serv) { - if (listen(serv->sockfd, 10) != 0) { - perror("listen"); - return 1; - } - - char my_ipstr[INET6_ADDRSTRLEN]; - inet_ntop(serv->addr->sa_family, get_in_addr(serv->addr), my_ipstr, sizeof my_ipstr); - http_log(HTTP_INFO, "Listening on %s:%d\n", my_ipstr, get_in_port(serv->addr)); - - while (keepRunning) { - struct sockaddr inc_addr; - socklen_t addr_size = sizeof inc_addr; - int inc_fd = accept(serv->sockfd, &inc_addr, &addr_size); - if (inc_fd < 0) { - perror("accept"); - return 1; - } - - struct process_request_args args = { - .serv = *serv, - .inc_fd = inc_fd, - }; - - pthread_t thread_id; - pthread_create(&thread_id, NULL, process_request, (void *)&args); - } - return 0; -} diff --git a/lib/http.h b/lib/http.h deleted file mode 100644 index 4fcc418..0000000 --- a/lib/http.h +++ /dev/null @@ -1,177 +0,0 @@ -#ifndef HTTP_H_ -#define HTTP_H_ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "const_strings.h" -#include "arena_strings.h" -#include "arena.h" - -typedef struct { - const_string key; - const_string value; -} KV; - -typedef struct { - KV *data; - size_t len; - size_t cap; -} header_da; - -typedef struct { - const_string key; - const_string val; -} http_query; - -typedef struct { - KV *data; - size_t len; - size_t cap; -} http_query_da; - -typedef struct { - const_string key; - void *val; -} http_context_value; - -typedef struct { - http_context_value *data; - size_t len; - size_t cap; -} http_context; - -typedef struct { - size_t code; - header_da headers; - const_string body; - bool sent; -} http_response; - -typedef struct { - size_t inc_fd; - const_string method; - const_string path; - http_query_da query; - header_da headers; - const_string body; - - arena *arena; - http_response* resp; - http_context *ctx; -} http_request; - -typedef void (*http_handler_func)(http_request); - -typedef struct http_handler_da http_handler_da; -typedef struct http_middleware http_middleware; -typedef struct http_handler http_handler; - -typedef void (*http_middleware_func)(http_middleware *, http_request); - -struct http_middleware { - http_middleware_func func; - http_middleware *next; - http_handler_func handler; -}; - -struct http_handler { - const_string method; - const_string path; - http_middleware *middleware; - http_handler_func func; -}; - -struct http_handler_da { - http_handler *data; - size_t len; - size_t cap; -}; - -typedef struct { - http_middleware *start; - http_middleware *end; -} http_global_middleware; - -typedef struct { - size_t sockfd; - struct sockaddr *addr; - arena *arena; - http_handler_da handlers; - http_context global_ctx; - http_global_middleware *global_middleware; -} http_server; - -typedef enum { - HTTP_INFO = 0, - HTTP_WARNING, - HTTP_ERROR, -} http_log_level; - -typedef enum { - CONTINUE = 100, - SWITCHING_PROTOCOLS = 101, - PROCESSING = 102, - EARLY_HINTS = 103, - OK = 200, - CREATED = 201, - ACCEPTED = 202, - NO_CONTENT = 204, - MULTIPLE_CHOICES = 300, - MOVED_PERMANENTLY = 301, - FOUND = 302, - SEE_OTHER = 303, - NOT_MODIFIED = 304, - TEMPORARY_REDIRECT = 307, - PERMANENT_REDIRECT = 308, - BAD_REQUEST = 400, - UNAUTHORIZED = 401, - PAYMENT_REQUIRED = 402, - FORBIDDEN = 403, - NOT_FOUND = 404, - METHOD_NOT_ALLOWED = 405, - NOT_ACCEPTABLE = 406, - REQUEST_TIMEOUT = 408, - IM_A_TEEPOT = 418, - INTERNAL_SERVER_ERROR = 500, - NOT_IMPLEMENTED = 501, - BAD_GATEWAY = 502, - SERVICE_UNAVAILABLE = 503, - HTTP_VERSION_NOT_SUPPPORTED = 505, -} http_response_code; - -const_string get_response_string(http_response_code code); -void *get_in_addr(struct sockaddr *sa); -int get_in_port(struct sockaddr *sa); -void http_log(http_log_level log, char *fmt, ...); - -void set_context_value(arena *arena, http_context *ctx, http_context_value kv); -void *get_context_value(http_context *ctx, char* key); - -void http_send(http_request req); -void http_send_json(http_request req, const_string json); -void http_send_body(http_request req, const_string body); - -int init_server(arena *arena, http_server *serv, char *addr, char *port); -int listen_and_serve(http_server *serv); - -http_handler *http_handle_path(http_server *serv, char *method, char *path, http_handler_func handler); - -void http_run_next(http_middleware *self, http_request req); -void http_register_global_middleware(http_server *hand, http_middleware_func func); -void http_register_handler_middleware(arena *arena, http_handler *hand, http_middleware_func func); - -#endif // HTTP_H_ -- cgit v1.2.3