修复http解析

This commit is contained in:
2025-10-03 10:57:53 +08:00
parent d11c1559ab
commit f518bf5064
3 changed files with 66 additions and 4 deletions

View File

@ -1,5 +1,9 @@
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include "http_rel.h"
const char *http_get_body(const char *buf)
@ -18,7 +22,59 @@ const char *http_get_body(const char *buf)
return body;
}
const char *resave_http(int fd)
/* 一次性读完一个 HTTP 请求,返回 malloc 得到的完整字符串(含头+体),调用者 free。
返回 NULL 表示读取出错或内存不足。
*/
char *recv_http_request(int cfd)
{
char head[8192];
int body_len = 0;
/* 1. 读头部到 \r\n\r\n */
size_t n = 0;
while (n < sizeof(head)) {
if (read(cfd, head + n, 1) != 1) goto err;
if (n >= 3 && memcmp(head + n - 3, "\r\n\r", 3) == 0) {
if (read(cfd, head + n, 1) != 1) goto err; /* 再吃一个 \n */
++n;
break;
}
++n;
}
head[n] = 0;
/* 2. 解析 Content-Length */
const char *p = head;
while ((p = strchr(p, '\n')) != NULL) {
if (sscanf(p, "\nContent-Length: %d", &body_len) == 1) break;
++p;
}
/* 3. 读 body */
char *body = NULL;
if (body_len > 0) {
body = malloc(body_len + 1);
if (!body) goto err;
size_t got = 0;
while (got < (size_t)body_len) {
ssize_t rd = read(cfd, body + got, body_len - got);
if (rd <= 0) { free(body); goto err; }
got += rd;
}
body[got] = 0;
}
/* 4. 拼成完整字符串 */
char *full = malloc(n + (body_len ? body_len : 0) + 1);
if (!full) { free(body); goto err; }
memcpy(full, head, n);
if (body_len) memcpy(full + n, body, body_len);
full[n + body_len] = 0;
free(body);
return full;
err:
return NULL;
}

View File

@ -2,5 +2,6 @@
#define HTTP_REL
const char *http_get_body(const char *buf);
char *recv_http_request(int cfd);
#endif

View File

@ -99,9 +99,14 @@ ssize_t read_req(int fd, void *buf)
int process_message(char *req,log_manager *logger)
{
//TODO 修改管道命令解析
if(req[0]!='s')
if(req ==NULL )
return 0;
const char *body = http_get_body(req);
int fd;
char front,rear;
sscanf(req,"%s/%d/%s",&rear,&fd,&rear);
char *req_buf = recv_http_request(fd);
const char *body = http_get_body(req_buf);
free(req_buf);
rbt_msg message;
rbt_parse_json(body,&message);
make_swap((void*)&message);