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使用内建字节序反转，修复linux下send_all后连接中断

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fumiama
2021-05-27 17:15:47 +08:00
parent d33a726e60
commit c1f3be1042
2 changed files with 14 additions and 18 deletions
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4
.gitignore vendored
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@@ -55,4 +55,6 @@ build
.vscode
.vscode/settings.json
.DS_Store
.DS_Store
test.c
test

28
server.c
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@@ -17,7 +17,10 @@
#include "config.h"
#if !__APPLE__
#include <sys/sendfile.h>
#include <sys/sendfile.h>
#include <endian.h>
#else
#include <machine/endian.h>
#endif
CONFIG* cfg;
@@ -133,7 +136,9 @@ int send_all(char* file_path, THREADTIMER *timer) {
printf("Get file size: %u bytes.\n", file_size);
off_t len = 0;
#if __APPLE__
//苹果基本没有大端，不作处理
#ifdef WORDS_BIGENDIAN
file_size = __DARWIN_OSSwapInt32(file_size);
#endif
struct sf_hdtr hdtr;
struct iovec headers;
headers.iov_base = &file_size;
@@ -146,21 +151,15 @@ int send_all(char* file_path, THREADTIMER *timer) {
if(!re) perror("Sendfile");
#else
#ifdef WORDS_BIGENDIAN
uint32_t little_fs;
char* q = (char*)(&little_fs);
char* p = (char*)(&file_size);
q[0] = p[3];
q[1] = p[2];
q[2] = p[1];
q[3] = p[0];
uint32_t little_fs = __builtin_bswap32(file_size);
send(timer->accept_fd, &little_fs, sizeof(uint32_t), 0);
#else
send(timer->accept_fd, &file_size, sizeof(uint32_t), 0);
#endif
re = sendfile(timer->accept_fd, fileno(fp), &len, file_size) >= 0;
re = !sendfile(timer->accept_fd, fileno(fp), &len, file_size) >= 0;
if(!re) perror("Sendfile");
#endif
printf("Send %uF bytes.\n", len);
printf("Send %u bytes.\n", len);
close_file(fp);
timer->is_open = 0;
}
@@ -226,12 +225,7 @@ int s2_set(THREADTIMER *timer) {
int s3_set_data(THREADTIMER *timer) {
timer->status = 0;
#ifdef WORDS_BIGENDIAN
uint32_t file_size;
char* p = (char*)(&file_size);
p[0] = timer->data[3];
p[1] = timer->data[2];
p[2] = timer->data[1];
p[3] = timer->data[0];
uint32_t file_size = __builtin_bswap32(*(uint32_t*)(timer->data));
#else
uint32_t file_size = *(uint32_t*)(timer->data);
#endif