feat(lnm): start of processing code
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4c2b85d436
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@ -1,19 +1,26 @@
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#ifndef LNM_HTTP_LOOP
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#define LNM_HTTP_LOOP
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#include "lnm/common.h"
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#include <stdlib.h>
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#define LNM_HTTP_MAX_REQ_HEADERS 32
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#include "lnm/common.h"
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#include "lnm/http/req.h"
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typedef struct lnm_loop lnm_http_loop;
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typedef struct lnm_conn lnm_http_conn;
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typedef struct lnm_loop_conn lnm_http_conn;
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typedef struct lnm_http_step lnm_http_step;
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typedef struct lnm_http_route lnm_http_route;
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typedef lnm_err (*lnm_http_step_fn)(lnm_http_conn *conn);
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typedef enum lnm_step_err {
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lnm_step_err_done = 0,
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lnm_step_err_io_needed,
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lnm_step_err_close,
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} lnm_step_err;
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typedef lnm_step_err (*lnm_http_step_fn)(lnm_http_conn *conn);
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/**
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* Initialize a new `lnm_http_loop`.
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@ -66,10 +73,23 @@ void lnm_http_loop_route_add(lnm_http_loop *hl, lnm_http_route *route);
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*/
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typedef enum lnm_http_loop_state {
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lnm_http_loop_state_parse_req = 0,
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lnm_http_loop_state_route,
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lnm_http_loop_state_steps,
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} lnm_http_loop_state;
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typedef struct lnm_http_loop_gctx {
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struct {
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lnm_http_route **arr;
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size_t len;
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} routes;
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void *c;
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} lnm_http_loop_gctx;
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typedef struct lnm_http_loop_ctx {
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lnm_http_loop_state state;
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lnm_http_req req;
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lnm_http_loop_gctx *g;
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void *c;
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} lnm_http_loop_ctx;
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#endif
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@ -6,7 +6,8 @@
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#include "picohttpparser.h"
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#include "lnm/http/consts.h"
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#include "lnm/http/loop.h"
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#define LNM_HTTP_MAX_REQ_HEADERS 32
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/**
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* Represents the parsed HTTP request
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@ -15,7 +15,7 @@ typedef enum {
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lnm_loop_state_end,
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} lnm_loop_state;
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typedef struct {
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typedef struct lnm_loop_conn {
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int fd;
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lnm_loop_state state;
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void *ctx;
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@ -0,0 +1,60 @@
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#include "lnm/http/loop.h"
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#include "lnm/http/loop_internal.h"
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#include "lnm/http/req.h"
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#include "lnm/loop.h"
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#include "lnm/loop_internal.h"
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void lnm_http_loop_process_parse_req(lnm_http_conn *conn) {
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lnm_http_loop_ctx *ctx = conn->ctx;
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lnm_http_parse_err res = lnm_http_req_parse(
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&ctx->req, &conn->r.buf[conn->r.read], conn->r.size - conn->r.read);
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switch (res) {
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case lnm_http_parse_err_ok:
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ctx->state = lnm_http_loop_state_steps;
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break;
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case lnm_http_parse_err_incomplete:
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// If the request is already the size of the read buffer, we close the
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// request. Otherwise, we wait for anything read
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if (conn->r.size - conn->r.read == LNM_LOOP_BUF_SIZE) {
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conn->state = lnm_loop_state_end;
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}
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break;
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case lnm_http_parse_err_invalid:
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conn->state = lnm_loop_state_end;
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break;
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case lnm_http_parse_err_unknown_method:
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// TODO set status code here
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conn->state = lnm_loop_state_end;
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break;
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}
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}
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void lnm_http_loop_process_route(lnm_http_conn *conn) {}
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void lnm_http_loop_process_steps(lnm_http_conn *conn) {
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/* lnm_http_loop_ctx *ctx = conn->ctx; */
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/* while () */
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}
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void (*process_fns[])(lnm_http_conn *conn) = {
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lnm_http_loop_process_parse_req,
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lnm_http_loop_process_route,
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lnm_http_loop_process_steps,
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};
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void lnm_http_loop_process(lnm_http_conn *conn) {
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lnm_http_loop_ctx *ctx = conn->ctx;
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lnm_http_loop_state cur_state;
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// As long as the processing is able to advance to a next state, we keep
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// progressing
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do {
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cur_state = ctx->state;
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process_fns[cur_state](conn);
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} while (conn->state == lnm_loop_state_req && cur_state != ctx->state);
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}
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