Add aaa-12 structure of code is been modified

RCA:
SOL:
修改人:zhangtao
检视人:zhangtao
This commit is contained in:
zhangtaohz 2019-06-14 17:42:25 +08:00
parent ab44204505
commit 651bc0bc85
5 changed files with 140 additions and 118 deletions

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@ -1,51 +1,10 @@
#ifndef _TRACE_API_H #ifndef _TRACE_API_H
#define _TRACE_API_H #define _TRACE_API_H
#include <linux/in.h> #include "trace_def.h"
#include <linux/in6.h>
typedef enum {
TRACE_SUCCESS = 0,
TRACE_FAILURE,
TRACE_PENDING
} trace_ret_t;
#ifndef u8
typedef unsigned char u8;
#endif
#ifndef u16
typedef unsigned short u16;
#endif
#ifndef u32
typedef unsigned int u32;
#endif
typedef struct _addr {
u8 family;
union {
struct in_addr ip4;
struct in6_addr ip6;
} addr;
} addr_t;
typedef void (*async_cb)(trace_ret_t ret, void *arg); typedef void (*async_cb)(trace_ret_t ret, void *arg);
typedef struct _trace_policy {
addr_t src;
u16 sport;
addr_t dst;
u16 dport;
u8 protocol;
//PKT_TUPLE
u16 app_type;
} trace_policy_t;
trace_ret_t policy_client_init(); trace_ret_t policy_client_init();
trace_ret_t policy_client_exit(); trace_ret_t policy_client_exit();
trace_ret_t policy_async_exec(const trace_policy_t *in, trace_ret_t policy_async_exec(const trace_policy_t *in,

44
Common/trace_def.h Executable file
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@ -0,0 +1,44 @@
#ifndef _TRACE_DEF_H
#define _TRACE_DEF_H
#include <linux/in.h>
#include <linux/in6.h>
typedef enum {
TRACE_SUCCESS = 0,
TRACE_FAILURE,
TRACE_PENDING
} trace_ret_t;
#ifndef u8
typedef unsigned char u8;
#endif
#ifndef u16
typedef unsigned short u16;
#endif
#ifndef u32
typedef unsigned int u32;
#endif
typedef struct _addr {
u8 family;
union {
struct in_addr ip4;
struct in6_addr ip6;
} addr;
} addr_t;
typedef struct _trace_policy {
addr_t src;
u16 sport;
addr_t dst;
u16 dport;
u8 protocol;
//PKT_TUPLE
u16 app_type;
} trace_policy_t;
#endif

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@ -1,7 +1,7 @@
#ifndef _TRACE_MSG_H #ifndef _TRACE_MSG_H
#define _TRACE_MSG_H #define _TRACE_MSG_H
#include "trace_api.h" #include "trace_def.h"
enum { enum {
TRACE_MSG_POLICY_REQ = 0x0, TRACE_MSG_POLICY_REQ = 0x0,

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@ -1,7 +1,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <net/netlink.h> #include <net/netlink.h>
#include "trace_api.h" #include "trace_def.h"
#include "../netlink_api/libnetlink_k.h" #include "../netlink_api/libnetlink_k.h"
#include "trace_msg.h" #include "trace_msg.h"
#include "commuapinl.h" #include "commuapinl.h"
@ -12,6 +12,13 @@ static int trace_rcv_policy(struct sk_buff *skb, struct nlmsghdr *nlh)
trace_ret_t ret = TRACE_FAILURE; trace_ret_t ret = TRACE_FAILURE;
trace_hdr_t *hdr; trace_hdr_t *hdr;
void *buf; void *buf;
int len;
struct sk_buff *reply_skb;
struct nlmsghdr *reply_hdr;
void *reply_data;
trace_reply_t *reply;
int reply_ret;
trace_policy_t *policy;
printk(KERN_DEBUG"Trace recv policy"); printk(KERN_DEBUG"Trace recv policy");
switch (nlh->nlmsg_type) { switch (nlh->nlmsg_type) {
@ -21,14 +28,14 @@ static int trace_rcv_policy(struct sk_buff *skb, struct nlmsghdr *nlh)
printk(KERN_ERR"Receiving data is null"); printk(KERN_ERR"Receiving data is null");
break; break;
} }
int len = nlmsg_len(nlh); len = nlmsg_len((const struct nlmsghdr *)nlh);
printk(KERN_DEBUG"Receive data of trace is len:%d", len); printk(KERN_DEBUG"Receive data of trace is len:%d", len);
if (len < TRACE_REQ_SZ) { if (len < TRACE_REQ_SZ) {
printk(KERN_WARNING"Receiving data length:%d is less than length:%d is needed", len, TRACE_REQ_SZ); printk(KERN_WARNING"Receiving data length:%d is less than length:%ld is needed", len, TRACE_REQ_SZ);
} }
hdr = (trace_hdr_t *)buf; hdr = (trace_hdr_t *)buf;
trace_policy_t *policy = (trace_policy_t *)(buf + 1); policy = (trace_policy_t *)(buf + 1);
ret = TRACE_SUCCESS; ret = TRACE_SUCCESS;
break; break;
@ -38,26 +45,30 @@ static int trace_rcv_policy(struct sk_buff *skb, struct nlmsghdr *nlh)
break; break;
} }
struct sk_buff *reply_skb = nlmsg_new(TRACE_REPLY_SZ, GFP_KERNEL); if (ret == TRACE_FAILURE) {
return 1;
}
reply_skb = nlmsg_new(TRACE_REPLY_SZ, GFP_KERNEL);
if (reply_skb == NULL) { if (reply_skb == NULL) {
printk(KERN_ERR"Allocating skb memory is failure"); printk(KERN_ERR"Allocating skb memory is failure");
goto FAIL; goto FAIL;
} }
struct nlmsghdr *reply_hdr = nlmsg_put(reply_skb, 0, 0, TRACE_MSG_POLICY_REPLY, TRACE_REPLY_SZ, 0); reply_hdr = nlmsg_put(reply_skb, 0, 0, TRACE_MSG_POLICY_REPLY, TRACE_REPLY_SZ, 0);
if (reply_hdr == NULL) { if (reply_hdr == NULL) {
printk(KERN_ERR"Putting length of reply is failure"); printk(KERN_ERR"Putting length of reply is failure");
goto FAIL; goto FAIL;
} }
void *reply_data = nlmsg_data(reply_hdr); reply_data = nlmsg_data(reply_hdr);
if (reply_data == NULL) { if (reply_data == NULL) {
printk(KERN_ERR"Reply data is null"); printk(KERN_ERR"Reply data is null");
goto FAIL; goto FAIL;
} }
trace_reply_t *reply = (trace_reply_t *)reply_data; reply = (trace_reply_t *)reply_data;
memcpy(&reply->hdr, hdr, sizeof(*hdr)); memcpy(&reply->hdr, hdr, sizeof(*hdr));
reply->result = ret; reply->result = ret;
int reply_ret = commnl_unicast(NULL, reply_skb, nlh->nlmsg_pid); reply_ret = commnl_unicast(NULL, reply_skb, nlh->nlmsg_pid);
if (reply_ret != 0) { if (reply_ret != 0) {
printk(KERN_ERR"Reply message is failure"); printk(KERN_ERR"Reply message is failure");
goto FAIL; goto FAIL;

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@ -102,7 +102,7 @@ static void *cb_thread(void *arg)
ssize_t size; ssize_t size;
trace_reply_t msg; trace_reply_t msg;
return NULL; return NULL; // todo
while(1) { while(1) {
if (g_client_stop) { if (g_client_stop) {
@ -185,13 +185,6 @@ trace_ret_t policy_client_init()
{ {
int i = 0; int i = 0;
/*
g_sev_msgid = msg_init(MSG_QUEUE_TRACE_SEV_KEY);
if (g_sev_msgid == -1) {
SYSLOG_ERR("Create client msg queue is failure:%d", errno);
goto FAIL;
}
*/
trace_ret_t pm_ret = collect_hlist_init((struct hlist_head *)g_sess.hess, sizeof(g_sess.hess) / sizeof(struct hlist_head)); trace_ret_t pm_ret = collect_hlist_init((struct hlist_head *)g_sess.hess, sizeof(g_sess.hess) / sizeof(struct hlist_head));
if (pm_ret != TRACE_SUCCESS) { if (pm_ret != TRACE_SUCCESS) {
SYSLOG_ERR("hlist init is failure:%d", pm_ret); SYSLOG_ERR("hlist init is failure:%d", pm_ret);
@ -248,46 +241,17 @@ trace_ret_t policy_client_exit()
return TRACE_SUCCESS; return TRACE_SUCCESS;
} }
static trace_ret_t __policy_async_exec(const trace_policy_t *in, static cb_arg_t *add_to_list_and_get(const uint32_t i, const uint32_t seq, const struct sysinfo *info, async_cb cb, void *arg)
async_cb cb, void *arg, uint32_t *seq_out)
{ {
trace_ret_t ret = TRACE_FAILURE; cb_arg_t *cb_arg = NULL;
struct hlist_node *prev_last; struct hlist_node *prev_last;
struct sysinfo info;
async_cb tmp_cb = NULL; async_cb tmp_cb = NULL;
void *tmp_arg; void *tmp_arg;
//policy_msg_t msg = {0};
uint32_t seq;
/*
msg.mtype = g_pid;
msg.mtext.hdr.version = 1;
msg.mtext.hdr.len = len;
msg.mtext.hdr.sessionid = __sync_add_and_fetch(&g_sessionid, 1);
printf("pid:%lu, sessionid:%u\n", msg.mtype, msg.mtext.hdr.sessionid);
memcpy(&msg.mtext.body.trace, in, len);
*/
seq = __sync_add_and_fetch(&g_sessionid, 1);
SYSLOG_DEBUG("The seq of the message is %u", seq);
uint32_t i = SESS_HASH_INDEX(seq);
if (sysinfo(&info) != 0) {
SYSLOG_ERR("Get current boot time is failure:%d\n", errno);
goto END;
}
int ret_thread = pthread_mutex_lock((pthread_mutex_t *)&g_sess.hsess_mutex[i]);
if (ret_thread != 0) {
SYSLOG_ERR("Async Interface:locked session:[%u] is failure:%d", i, ret);
goto END;
}
cb_arg_t *cb_arg = NULL;
prev_last = g_sess.last[i]; prev_last = g_sess.last[i];
if (g_sess.count[i] >= MAX_QUEUE_COUNT) { if (g_sess.count[i] >= MAX_QUEUE_COUNT) {
cb_arg_t *first = hlist_entry(g_sess.hess[i].first, cb_arg_t, node); cb_arg_t *first = hlist_entry(g_sess.hess[i].first, cb_arg_t, node);
if ((info.uptime - first->t) > MAX_QUEUE_TIMEOUT) { if ((info->uptime - first->t) > MAX_QUEUE_TIMEOUT) {
hlist_del(&first->node); hlist_del(&first->node);
tmp_cb = cb_arg->cb; tmp_cb = cb_arg->cb;
@ -296,18 +260,16 @@ static trace_ret_t __policy_async_exec(const trace_policy_t *in,
// 复用cb_arg // 复用cb_arg
cb_arg = first; cb_arg = first;
} else { } else {
pthread_mutex_unlock((pthread_mutex_t *)&g_sess.hsess_mutex[i]);
SYSLOG_WARN("Hash table:[%u] queue is full", i); SYSLOG_WARN("Hash table:[%u] queue is full", i);
goto END; goto FAIL;
} }
} }
if (cb_arg == NULL) { if (cb_arg == NULL) {
cb_arg = (cb_arg_t *)malloc(sizeof(*cb_arg)); cb_arg = (cb_arg_t *)malloc(sizeof(*cb_arg));
if (cb_arg == NULL) { if (cb_arg == NULL) {
pthread_mutex_unlock((pthread_mutex_t *)&g_sess.hsess_mutex[i]);
SYSLOG_ERR("Allocateing arg of callback is failure:%d\n", errno); SYSLOG_ERR("Allocateing arg of callback is failure:%d\n", errno);
goto END; goto FAIL;
} }
} }
cb_arg->seq = seq; cb_arg->seq = seq;
@ -315,7 +277,7 @@ static trace_ret_t __policy_async_exec(const trace_policy_t *in,
cb_arg->cb = cb; cb_arg->cb = cb;
INIT_HLIST_NODE(&cb_arg->node); INIT_HLIST_NODE(&cb_arg->node);
cb_arg->t = info.uptime; cb_arg->t = info->uptime;
// 新节点加的链表后面 // 新节点加的链表后面
if (hlist_empty((struct hlist_head *)&g_sess.hess[i])) { if (hlist_empty((struct hlist_head *)&g_sess.hess[i])) {
@ -325,33 +287,79 @@ static trace_ret_t __policy_async_exec(const trace_policy_t *in,
} }
g_sess.last[i] = &cb_arg->node; g_sess.last[i] = &cb_arg->node;
g_sess.count[i]++; g_sess.count[i]++;
ret_thread = pthread_mutex_unlock((pthread_mutex_t *)&g_sess.hsess_mutex[i]);
if (ret_thread != 0) { return cb_arg;
SYSLOG_ERR("Async Interface:unlocked session:[%u] is failure:%d", i, ret); FAIL:
goto END; if (cb_arg == NULL) {
free(cb_arg);
} }
cfg_channel_send(seq, in); return NULL;
}
/* static trace_ret_t __policy_async_exec(const trace_policy_t *in,
if (mq_send(g_mq_sev, &msg, sizeof(msg.mtext)) == -1) { async_cb cb, void *arg, uint32_t *seq_out)
SYSLOG_ERR("mq send failed:%d\n", errno); {
trace_ret_t ret = TRACE_FAILURE;
struct hlist_node *prev_last;
async_cb tmp_cb = NULL;
void *tmp_arg;
struct sysinfo info;
uint32_t seq, i;
seq = __sync_add_and_fetch(&g_sessionid, 1);
SYSLOG_DEBUG("The seq of the message is %u", seq);
cb_arg_t *cb_arg = NULL;
if (cb != NULL) {
i = SESS_HASH_INDEX(seq);
if (sysinfo(&info) != 0) {
SYSLOG_ERR("Get current boot time is failure:%d\n", errno);
goto END;
}
int ret_thread = pthread_mutex_lock((pthread_mutex_t *)&g_sess.hsess_mutex[i]);
if (ret_thread != 0) {
SYSLOG_ERR("Async Interface:locked session:[%u] is failure:%d", i, errno);
goto END;
}
prev_last = g_sess.last[i];
cb_arg = add_to_list_and_get(i, seq, &info, cb, arg);
ret_thread = pthread_mutex_unlock((pthread_mutex_t *)&g_sess.hsess_mutex[i]);
if (ret_thread != 0) {
SYSLOG_ERR("Async Interface:unlocked session:[%u] is failure:%d", i, errno);
goto END;
}
if (cb_arg == NULL) {
SYSLOG_ERR("cbarg which is been added is failure");
goto END;
}
}
ret = cfg_channel_send(seq, in);
if (ret != TRACE_SUCCESS) {
SYSLOG_ERR("Sending cfg is failure");
goto END; goto END;
} }
*/
if (seq_out != NULL) { if (seq_out != NULL) {
*seq_out = seq; *seq_out = seq;
} }
ret = TRACE_PENDING; if (cb != NULL) {
ret = TRACE_PENDING;
}
END: END:
if (ret == TRACE_FAILURE) { if (cb != NULL) {
hlist_del(&cb_arg->node); if ((ret == TRACE_FAILURE)
free(cb_arg); && (cb_arg != NULL)) {
hlist_del(&cb_arg->node);
free(cb_arg);
g_sess.last[i] = prev_last; g_sess.last[i] = prev_last;
g_sess.count[i]--; g_sess.count[i]--;
}
} }
if (tmp_cb != NULL) { if (tmp_cb != NULL) {