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reduce frame size

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This commit is contained in:
lxsang 2020-11-29 13:27:05 +01:00
parent 831eacf889
commit 824587ec64
3 changed files with 9 additions and 19 deletions
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dist/antd-publishers-0.1.0a.tar.gz vendored
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16
tunnel.c
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@ -12,9 +12,9 @@
#define MODULE_NAME "api"
static int msg_check_number(int fd, int number)
static int msg_check_number(int fd, uint16_t number)
{
int value;
uint16_t value;
if(read(fd,&value,sizeof(value)) == -1)
{
M_ERROR(MODULE_NAME, "Unable to read integer value: %s", strerror(errno));
@ -48,7 +48,7 @@ static int msg_read_string(int fd, char* buffer, uint8_t max_length)
return 0;
}
static uint8_t* msg_read_payload(int fd, int* size)
static uint8_t* msg_read_payload(int fd, uint16_t* size)
{
uint8_t* data;
if(read(fd,size,sizeof(*size)) == -1)
@ -101,13 +101,11 @@ int open_unix_socket(char* path)
int msg_read(int fd, tunnel_msg_t* msg)
{
#ifdef VERIFY_HEADER
if(msg_check_number(fd, MSG_MAGIC_BEGIN) == -1)
{
M_ERROR(MODULE_NAME, "Unable to check begin magic number");
return -1;
}
#endif
if(read(fd,&msg->header.type,sizeof(msg->header.type)) == -1)
{
M_ERROR(MODULE_NAME, "Unable to read msg type: %s", strerror(errno));
@ -133,7 +131,6 @@ int msg_read(int fd, tunnel_msg_t* msg)
M_ERROR(MODULE_NAME, "Unable to read msg payload data");
return -1;
}
#ifdef VERIFY_HEADER
if(msg_check_number(fd, MSG_MAGIC_END) == -1)
{
if(msg->data)
@ -143,21 +140,18 @@ int msg_read(int fd, tunnel_msg_t* msg)
M_ERROR(MODULE_NAME, "Unable to check end magic number");
return -1;
}
#endif
return 0;
}
int msg_write(int fd, tunnel_msg_t* msg)
{
#ifdef VERIFY_HEADER
// write begin magic number
int number = MSG_MAGIC_BEGIN;
uint16_t number = MSG_MAGIC_BEGIN;
if(write(fd,&number, sizeof(number)) == -1)
{
M_ERROR(MODULE_NAME, "Unable to write begin magic number: %s", strerror(errno));
return -1;
}
#endif
// write type
if(write(fd,&msg->header.type, sizeof(msg->header.type)) == -1)
{
@ -192,13 +186,11 @@ int msg_write(int fd, tunnel_msg_t* msg)
return -1;
}
}
#ifdef VERIFY_HEADER
number = MSG_MAGIC_END;
if(write(fd,&number, sizeof(number)) == -1)
{
M_ERROR(MODULE_NAME, "Unable to write end magic number: %s", strerror(errno));
return -1;
}
#endif
return 0;
}

12
tunnel.h
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@ -6,10 +6,8 @@
#define MAX_CHANNEL_PATH 108
#define MAX_CHANNEL_NAME 64
#ifdef VERIFY_HEADER
#define MSG_MAGIC_BEGIN 0x414e5444 //ANTD
#define MSG_MAGIC_END 0x44544e41 //DTNA
#endif
#define MSG_MAGIC_BEGIN (uint16_t)0x414e //AN
#define MSG_MAGIC_END (uint16_t)0x5444 //TD
#define CHANNEL_OK (uint8_t)0x0
#define CHANNEL_ERROR (uint8_t)0x1
@ -22,9 +20,9 @@
typedef struct {
uint8_t type;
int channel_id;
int client_id;
int size;
uint16_t channel_id;
uint16_t client_id;
uint16_t size;
} tunnel_msg_h_t;
typedef struct{