gfwleak/tango-tsg-service-chaining-engine
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

TSG-19631 SCE Support Datapath Packet Trace

Browse Source
This commit is contained in:
luwenpeng
2024-02-29 18:18:30 +08:00
parent b4e0025e30
commit 93d659601c
7 changed files with 247 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
common/include/control_packet.h
View File

@@ -16,6 +16,20 @@ enum session_state
SESSION_STATE_RESETALL = 4,
};
enum control_packet_state
{
CTRL_PKT_SUCCESS = 0,
CTRL_PKT_INVALID_FORMAT,
CTRL_PKT_INVALID_TSYNC,
CTRL_PKT_INVALID_SESSION_ID,
CTRL_PKT_INVALID_STATE,
CTRL_PKT_INVALID_METHOD,
CTRL_PKT_INVALID_POLICY_UPDATE,
CTRL_PKT_INVALID_PARAMS,
CTRL_PKT_INVALID_APP,
CTRL_PKT_INVALID_RULE_IDS,
};
struct control_packet
{
char tsync[4];
@@ -27,10 +41,9 @@ struct control_packet
};
const char *session_state_to_string(enum session_state state);
const char *control_packte_state_to_string(enum control_packet_state state);
// return 0 : success
// return -1 : error
int control_packet_parse(struct control_packet *handler, const char *data, size_t length);
enum control_packet_state control_packet_parse(struct control_packet *handler, const char *data, size_t length);
void control_packet_dump(struct control_packet *handler);
#ifdef __cpluscplus

53
common/src/control_packet.cpp
View File

@@ -8,6 +8,35 @@
#include "utils.h"
#include "control_packet.h"
const char *control_packte_state_to_string(enum control_packet_state state)
{
switch (state)
{
case CTRL_PKT_SUCCESS:
return "success";
case CTRL_PKT_INVALID_FORMAT:
return "failure (invalid format)";
case CTRL_PKT_INVALID_TSYNC:
return "failure (invalid tsync)";
case CTRL_PKT_INVALID_SESSION_ID:
return "failure (invalid session id)";
case CTRL_PKT_INVALID_STATE:
return "failure (invalid state)";
case CTRL_PKT_INVALID_METHOD:
return "failure (invalid method)";
case CTRL_PKT_INVALID_POLICY_UPDATE:
return "failure (invalid policy update)";
case CTRL_PKT_INVALID_PARAMS:
return "failure (invalid params)";
case CTRL_PKT_INVALID_APP:
return "failure (invalid app)";
case CTRL_PKT_INVALID_RULE_IDS:
return "failure (invalid rule ids)";
default:
return "failure (unknown)";
}
}
const char *session_state_to_string(enum session_state state)
{
switch (state)
@@ -25,9 +54,7 @@ const char *session_state_to_string(enum session_state state)
}
}
// return 0 : success
// return -1 : error
int control_packet_parse(struct control_packet *handler, const char *data, size_t length)
enum control_packet_state control_packet_parse(struct control_packet *handler, const char *data, size_t length)
{
memset(handler, 0, sizeof(struct control_packet));
@@ -37,6 +64,7 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
mpack_node_t item;
mpack_error_t ret;
char buffer[16];
enum control_packet_state state = CTRL_PKT_SUCCESS;
mpack_tree_init_data(&tree, data, length);
mpack_tree_parse(&tree);
@@ -44,6 +72,7 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
if (mpack_node_is_nil(root))
{
LOG_ERROR("%s: unexpected control packet: (invalid mpack format)", LOG_TAG_CTRLPKT);
state = CTRL_PKT_INVALID_FORMAT;
goto error_out;
}
@@ -52,12 +81,14 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
if (mpack_node_is_nil(temp))
{
LOG_ERROR("%s: unexpected control packet: (tsync no found)", LOG_TAG_CTRLPKT);
state = CTRL_PKT_INVALID_TSYNC;
goto error_out;
}
mpack_node_copy_cstr(temp, handler->tsync, sizeof(handler->tsync));
if (strcasecmp(handler->tsync, "2.0") != 0)
{
LOG_ERROR("%s: unexpected control packet: (invalid tsync value) %s", LOG_TAG_CTRLPKT, handler->tsync);
state = CTRL_PKT_INVALID_TSYNC;
goto error_out;
}
@@ -66,6 +97,7 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
if (mpack_node_is_nil(temp))
{
LOG_ERROR("%s: unexpected control packet: (session_id no found)", LOG_TAG_CTRLPKT);
state = CTRL_PKT_INVALID_SESSION_ID;
goto error_out;
}
handler->session_id = mpack_node_u64(temp);
@@ -83,6 +115,7 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
if (mpack_node_is_nil(temp))
{
LOG_ERROR("%s: unexpected control packet: (state no found)", LOG_TAG_CTRLPKT);
state = CTRL_PKT_INVALID_STATE;
goto error_out;
}
mpack_node_copy_cstr(temp, buffer, sizeof(buffer));
@@ -105,6 +138,7 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
else
{
LOG_ERROR("%s: unexpected control packet: (invalid state value) %s", LOG_TAG_CTRLPKT, buffer);
state = CTRL_PKT_INVALID_STATE;
goto error_out;
}
if (handler->state != SESSION_STATE_ACTIVE)
@@ -117,12 +151,14 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
if (mpack_node_is_nil(temp))
{
LOG_ERROR("%s: unexpected control packet: (method no found)", LOG_TAG_CTRLPKT);
state = CTRL_PKT_INVALID_METHOD;
goto error_out;
}
mpack_node_copy_cstr(temp, handler->method, sizeof(handler->method));
if (strcasecmp(handler->method, "policy_update") != 0)
{
LOG_ERROR("%s: unexpected control packet: (invalid method value) %s", LOG_TAG_CTRLPKT, handler->method);
state = CTRL_PKT_INVALID_POLICY_UPDATE;
goto error_out;
}
@@ -131,6 +167,7 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
if (mpack_node_is_nil(temp))
{
LOG_ERROR("%s: unexpected control packet: (params no found)", LOG_TAG_CTRLPKT);
state = CTRL_PKT_INVALID_PARAMS;
goto error_out;
}
// params->sce
@@ -138,6 +175,7 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
if (mpack_node_is_nil(temp))
{
LOG_ERROR("%s: unexpected control packet: (sce no found)", LOG_TAG_CTRLPKT);
state = CTRL_PKT_INVALID_APP;
goto error_out;
}
// params->sce->rule_ids
@@ -145,12 +183,14 @@ int control_packet_parse(struct control_packet *handler, const char *data, size_
if (mpack_node_is_nil(temp))
{
LOG_ERROR("%s: unexpected control packet: (rule_ids no found)", LOG_TAG_CTRLPKT);
state = CTRL_PKT_INVALID_RULE_IDS;
goto error_out;
}
handler->rule_id_num = MIN(mpack_node_array_length(temp), (int)(sizeof(handler->rule_ids) / sizeof(handler->rule_ids[0])));
if (handler->rule_id_num <= 0)
{
LOG_ERROR("%s: unexpected control packet: (invalid rule id num) %ld", LOG_TAG_CTRLPKT, mpack_node_array_length(temp));
state = CTRL_PKT_INVALID_RULE_IDS;
goto error_out;
}
for (int i = 0; i < handler->rule_id_num; i++)
@@ -164,14 +204,15 @@ success_out:
if (ret != mpack_ok)
{
LOG_ERROR("%s: unexpected control packet: (mpack return error) %d", LOG_TAG_CTRLPKT, ret);
return -1;
state = CTRL_PKT_INVALID_FORMAT;
return state;
}
return 0;
return state;
error_out:
mpack_tree_destroy(&tree);
return -1;
return state;
}
void control_packet_dump(struct control_packet *handler)

6
common/test/gtest_control_packet.cpp
View File

@@ -290,7 +290,7 @@ TEST(CONTROL_PACKET, PACKAGE2)
TEST(CONTROL_PACKET, PARSE0)
{
struct control_packet handler;
EXPECT_TRUE(control_packet_parse(&handler, (const char *)control_packet_active0, sizeof(control_packet_active0)) == 0);
EXPECT_TRUE(control_packet_parse(&handler, (const char *)control_packet_active0, sizeof(control_packet_active0)) == CTRL_PKT_SUCCESS);
control_packet_dump(&handler);
EXPECT_STREQ(handler.tsync, "2.0");
@@ -305,7 +305,7 @@ TEST(CONTROL_PACKET, PARSE0)
TEST(CONTROL_PACKET, PARSE1)
{
struct control_packet handler;
EXPECT_TRUE(control_packet_parse(&handler, (const char *)control_packet_active1, sizeof(control_packet_active1)) == 0);
EXPECT_TRUE(control_packet_parse(&handler, (const char *)control_packet_active1, sizeof(control_packet_active1)) == CTRL_PKT_SUCCESS);
control_packet_dump(&handler);
EXPECT_STREQ(handler.tsync, "2.0");
@@ -319,7 +319,7 @@ TEST(CONTROL_PACKET, PARSE1)
TEST(CONTROL_PACKET, PARSE2)
{
struct control_packet handler;
EXPECT_TRUE(control_packet_parse(&handler, (const char *)control_packet_opening, sizeof(control_packet_opening)) == 0);
EXPECT_TRUE(control_packet_parse(&handler, (const char *)control_packet_opening, sizeof(control_packet_opening)) == CTRL_PKT_SUCCESS);
control_packet_dump(&handler);
EXPECT_STREQ(handler.tsync, "2.0");