gfwleak/tango-kni
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增加一些debug日志

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This commit is contained in:
崔一鸣
2019-06-05 11:32:11 +08:00
parent 03a5f7ec6c
commit 0ccc62fe08
3 changed files with 55 additions and 21 deletions
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70
entry/src/kni_entry.cpp
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@@ -19,6 +19,11 @@ struct kni_field_stat_handle *g_kni_fs_handle = NULL;
#define STREAM_TRACE_ID_LEN 37
#define TFE_COUNT_MAX 16
/* TODO:
1. con_duration_ms: how to calculate
*/
enum kni_protocol{
KNI_PROTOCOL_UNKNOWN = 0,
KNI_PROTOCOL_SSL,
@@ -41,17 +46,16 @@ struct pme_info{
int tfe_id;
void *logger;
char stream_trace_id[STREAM_TRACE_ID_LEN];
union{
char host[KNI_DOMAIN_MAX]; //http only
char sni[KNI_DOMAIN_MAX]; //ssl only
};
char host[KNI_DOMAIN_MAX]; //http only
char sni[KNI_DOMAIN_MAX]; //ssl only
//tfe_release = 1: tfe don't need pmeinfo
int tfe_release;
int sapp_release;
//kafka log
struct streaminfo *stream;
time_t start_time;
uint64_t con_duration;
time_t end_time;
uint64_t con_duration_ms;
//from tfe, kafka log
uint64_t intercept_state;
uint64_t pinningst; //defalut 0
@@ -158,7 +162,9 @@ static int sendlog_to_kafka(struct pme_info *pmeinfo, void *local_logger){
//start_time
cJSON_AddNumberToObject(log_obj, "start_time", pmeinfo->start_time);
//end_time
cJSON_AddNumberToObject(log_obj, "end_time", time(NULL));
cJSON_AddNumberToObject(log_obj, "end_time", pmeinfo->end_time);
//con_duration_ms
cJSON_AddNumberToObject(log_obj, "con_duration_ms", (pmeinfo->end_time - pmeinfo->start_time) * 1000);
//stream_info: addr_type, trans_proto, client_ip, client_port, server_ip, server_port
const struct layer_addr *addr = &(pmeinfo->stream->addr);
char client_ip_str[INET6_ADDRSTRLEN] = "";
@@ -236,7 +242,7 @@ static int sendlog_to_kafka(struct pme_info *pmeinfo, void *local_logger){
//s2c_byte_num
cJSON_AddNumberToObject(log_obj, "s2c_byte_num", pmeinfo->stream->ptcpdetail->clientbytes);
int ret = -1;
char *log_msg = cJSON_Print(log_obj);
char *log_msg = cJSON_PrintUnformatted(log_obj);
cJSON_Delete(log_obj);
if(log_msg == NULL){
KNI_LOG_ERROR(local_logger, "Failed at cJSON_Print");
@@ -278,6 +284,10 @@ static void pme_info_destroy(struct pme_info *pmeinfo){
}
FREE(&pmeinfo);
}
else{
KNI_LOG_DEBUG(logger, "can not free pmeinfo, sapp_release is %d, tfe_release is %d",
pmeinfo->sapp_release, pmeinfo->tfe_release);
}
}
static int protocol_identify(const struct streaminfo* stream, char *buf, int len, struct protocol_identify_result *result){
@@ -286,7 +296,7 @@ static int protocol_identify(const struct streaminfo* stream, char *buf, int len
if(project != NULL){
result->protocol = KNI_PROTOCOL_HTTP;
result->domain_len = project->host_len;
strncpy(result->domain, project->host, strnlen(project->host, sizeof(result->domain)));
strncpy(result->domain, project->host, strnlen(project->host, sizeof(result->domain) - 1));
return 0;
}
@@ -301,7 +311,7 @@ static int protocol_identify(const struct streaminfo* stream, char *buf, int len
}
else{
result->domain_len = strnlen(chello->sni, KNI_DOMAIN_MAX);
strncpy(result->domain, chello->sni, strnlen(chello->sni, sizeof(result->domain)));
strncpy(result->domain, chello->sni, strnlen(chello->sni, sizeof(result->domain) - 1));
}
ssl_chello_free(chello);
return 0;
@@ -371,7 +381,8 @@ static unsigned char* kni_cmsg_serialize_header_new(struct pme_info *pmeinfo, st
if(ret < 0) goto error_out;
//stream trace id
trace_id = pmeinfo->stream_trace_id;
ret = wrapped_kni_cmsg_set(cmsg, TFE_CMSG_STREAM_TRACE_ID, (const unsigned char*)trace_id, STREAM_TRACE_ID_LEN);
ret = wrapped_kni_cmsg_set(cmsg, TFE_CMSG_STREAM_TRACE_ID, (const unsigned char*)trace_id,
strnlen(pmeinfo->stream_trace_id, sizeof(pmeinfo->stream_trace_id)));
if(ret < 0) goto error_out;
bufflen = kni_cmsg_serialize_size_get(cmsg);
@@ -474,6 +485,10 @@ static char pending_opstate(const struct streaminfo *stream, struct pme_info *pm
}
static char data_opstate(const struct streaminfo *stream, struct pme_info *pmeinfo, struct pkt_info *pktinfo, int thread_seq){
//pmeinfo->tfe_release = 1: intercept, tfe end first. so droppkt and dropme
if(pmeinfo->tfe_release == 1){
return APP_STATE_DROPPKT | APP_STATE_DROPME;
}
void *logger = g_kni_handle->local_logger;
char *buf = (char*)pktinfo->iphdr;
int len = pktinfo->ip_totlen;
@@ -531,11 +546,11 @@ static char data_opstate(const struct streaminfo *stream, struct pme_info *pmein
pmeinfo->tfe_release = 1;
return APP_STATE_FAWPKT | APP_STATE_DROPME;
case KNI_PROTOCOL_SSL:
strncpy(pmeinfo->sni, protocol_identify_res.domain, strnlen(protocol_identify_res.domain, sizeof(pmeinfo->sni)));
strncpy(pmeinfo->sni, protocol_identify_res.domain, strnlen(protocol_identify_res.domain, sizeof(pmeinfo->sni) - 1));
FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_SSL_STM], 0, FS_OP_ADD, 1);
break;
case KNI_PROTOCOL_HTTP:
strncpy(pmeinfo->host, protocol_identify_res.domain, strnlen(protocol_identify_res.domain, sizeof(pmeinfo->host)));
strncpy(pmeinfo->host, protocol_identify_res.domain, strnlen(protocol_identify_res.domain, sizeof(pmeinfo->host) - 1));
FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_HTTP_STM], 0, FS_OP_ADD, 1);
break;
default:
@@ -590,7 +605,12 @@ static char data_opstate(const struct streaminfo *stream, struct pme_info *pmein
}
static char close_opstate(const struct streaminfo *stream, struct pme_info *pmeinfo, struct pkt_info *pktinfo, int thread_seq){
//close: sendto tfe
//pmeinfo->tfe_release = 1: intercept, tfe end first. so droppkt and dropme
if(pmeinfo->tfe_release == 1){
return APP_STATE_DROPPKT | APP_STATE_DROPME;
}
//close: also need to send to tfe
pmeinfo->end_time = time(NULL);
void *logger = g_kni_handle->local_logger;
char *buf = (char*)pktinfo->iphdr;
char stream_addr[KNI_SYMBOL_MAX] = "";
@@ -608,6 +628,9 @@ static char close_opstate(const struct streaminfo *stream, struct pme_info *pmei
//KNI_LOG_DEBUG(logger, "Succeed at send last packet to tfe%d, stream addr is %s", pmeinfo->tfe_id, stream_addr);
}
FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_INTCP_PKT], 0, FS_OP_ADD, 1);
//reset clock: when sapp end, start clock
MESA_htable_search(g_kni_handle->traceid2pme_htable, (const unsigned char*)pmeinfo->stream_trace_id,
strnlen(pmeinfo->stream_trace_id, sizeof(pmeinfo->stream_trace_id)));
return APP_STATE_DROPPKT | APP_STATE_DROPME;
default:
FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_BYP_PKT], 0, FS_OP_ADD, 1);
@@ -646,7 +669,7 @@ extern "C" char kni_tcpall_entry(const struct streaminfo *stream, void** pme, in
switch(stream->pktstate){
case OP_STATE_PENDING:
*pme = pmeinfo = pme_info_new(stream, thread_seq, logger);
key_size = strlen(pmeinfo->stream_trace_id);
key_size = strnlen(pmeinfo->stream_trace_id, sizeof(pmeinfo->stream_trace_id));
ret = MESA_htable_add(g_kni_handle->traceid2pme_htable, (const unsigned char *)(pmeinfo->stream_trace_id),
key_size, (const void*)pmeinfo);
if(ret < 0){
@@ -654,7 +677,7 @@ extern "C" char kni_tcpall_entry(const struct streaminfo *stream, void** pme, in
"table is traceid2pme_htable, key is %s", pmeinfo->stream_trace_id);
}
KNI_LOG_DEBUG(logger, "MESA_htable: succeed at MESA_htable_add, table is traceid2pme_htable, key is %s, key_size is %d",
key_size, pmeinfo->stream_trace_id);
pmeinfo->stream_trace_id, key_size);
ret = pending_opstate(stream, pmeinfo, pktinfo);
break;
case OP_STATE_DATA:
@@ -672,7 +695,6 @@ extern "C" char kni_tcpall_entry(const struct streaminfo *stream, void** pme, in
}
FREE(&pktinfo);
if((ret & APP_STATE_DROPME)){
//sendlog_to_kafka(pmeinfo, logger);
pmeinfo->sapp_release = 1;
pme_info_destroy(pmeinfo);
*pme = NULL;
@@ -821,13 +843,18 @@ static long traceid2pme_htable_search_cb(void *data, const uchar *key, uint size
wrapped_kni_cmsg_get(pmeinfo, cmsg, TFE_CMSG_SSL_ERROR, sizeof(pmeinfo->ssl_error), logger);
FREE(&cmsg);
pmeinfo->tfe_release = 1;
int key_size = strlen(pmeinfo->stream_trace_id);
pmeinfo->end_time = time(NULL);
int key_size = strnlen(pmeinfo->stream_trace_id, sizeof(pmeinfo->stream_trace_id));
int ret = MESA_htable_del(g_kni_handle->traceid2pme_htable, (const unsigned char *)pmeinfo->stream_trace_id,
key_size, NULL);
if(ret < 0){
KNI_LOG_ERROR(logger, "MESA_htable: failed at del, table is %s, key is %s, key_size is %d, ret is %d",
"traceid2pme_htable", pmeinfo->stream_trace_id, key_size, ret);
}
else{
KNI_LOG_DEBUG(logger, "MESA_htable: succeed at del, table is %s, key is %s, key_size is %d",
"traceid2pme_htable", pmeinfo->stream_trace_id, key_size);
}
}
FREE(&cmsg);
return 0;
@@ -910,7 +937,7 @@ void* thread_tfe_cmsg_receiver(void *args){
cb_args.cmsg = cmsg;
cb_args.logger = logger;
MESA_htable_search_cb(g_kni_handle->traceid2pme_htable, (const unsigned char *)stream_trace_id,
strlen((char*)stream_trace_id), traceid2pme_htable_search_cb, &cb_args, &cb_ret);
value_size, traceid2pme_htable_search_cb, &cb_args, &cb_ret);
}
return NULL;
@@ -1116,6 +1143,8 @@ extern "C" void kni_destroy(struct kni_handle *handle){
}
static void traceid2pme_htable_data_free_cb(void *data){
void *logger = g_kni_handle->local_logger;
KNI_LOG_DEBUG(logger, "call traceid2pme_htable_data_free_cb");
struct pme_info *pmeinfo = (struct pme_info*)data;
pme_info_destroy(pmeinfo);
}
@@ -1123,10 +1152,13 @@ static void traceid2pme_htable_data_free_cb(void *data){
//eliminate_type: 0:FIFO; 1:LRU
//ret: 1: the item can be eliminated; 0: the item can't be eliminated
static int traceid2pme_htable_expire_notify_cb(void *data, int eliminate_type){
void *logger = g_kni_handle->local_logger;
struct pme_info *pmeinfo = (struct pme_info*)data;
if(pmeinfo->sapp_release == 0){
KNI_LOG_DEBUG(logger, "Failed at eliminate pmeinfo, sapp_release is %d", pmeinfo->sapp_release);
return 0;
}
KNI_LOG_DEBUG(logger, "Succeed at eliminate pmeinfo, sapp_release is %d", pmeinfo->sapp_release);
pmeinfo->tfe_release = 1;
return 1;
}
@@ -1218,7 +1250,7 @@ extern "C" int kni_init(){
//create thread_tfe_cmsg_receiver
cmsg_receiver_args = ALLOC(struct thread_tfe_cmsg_receiver_args, 1);
cmsg_receiver_args->logger = local_logger;
strncpy(cmsg_receiver_args->profile, profile, strnlen(profile, sizeof(cmsg_receiver_args->profile)));
strncpy(cmsg_receiver_args->profile, profile, strnlen(profile, sizeof(cmsg_receiver_args->profile) - 1));
ret = pthread_create(&thread_id, NULL, thread_tfe_cmsg_receiver, (void *)cmsg_receiver_args);
if(unlikely(ret != 0)){
KNI_LOG_ERROR(local_logger, "Failed at pthread_create, thread_func is thread_tfe_cmsg_receiver, ret is %d", ret);