From 8dead3c23da957fce542d8483c7bce7d5a7232ed Mon Sep 17 00:00:00 2001
From: Fu Juntang <StrongTiger_001@163.com>
Date: 星期三, 01 九月 2021 14:42:21 +0800
Subject: [PATCH] Fix the buf data parse issue.
---
src/bh_api.cpp | 141 ++++++++++++++++++++++++++++------------------
1 files changed, 85 insertions(+), 56 deletions(-)
diff --git a/src/bh_api.cpp b/src/bh_api.cpp
index 9b151fa..4d0f10b 100644
--- a/src/bh_api.cpp
+++ b/src/bh_api.cpp
@@ -274,11 +274,11 @@
int BHRegisterTopics(const void *topics, const int topics_len, void **reply, int *reply_len, const int timeout_ms)
{
int rv;
- int min, i;
+ int len, i;
void *buf = NULL;
int total = 0;
int count = 0;
- char topics_buf[MAX_STR_LEN * MAX_TOPICS_NUN] = { 0x00 };
+ char *topics_buf = NULL;
#if defined(PRO_DE_SERIALIZE)
struct _MsgTopicList
@@ -305,6 +305,8 @@
for(int i = 0; i < _input.amount; i++) {
_input.topics[i] = input.topic_list(i).c_str();
+
+ total += strlen(_input.topics[i]) + 1;
}
#else
if ((topics == NULL) || (topics_len == 0)) {
@@ -316,6 +318,8 @@
goto exit_entry;
}
+
+ total = topics_len;
#endif
if (gRun_stat == 0) {
@@ -330,36 +334,48 @@
rv = pthread_mutex_trylock(&mutex);
if (rv == 0) {
+
+ topics_buf = (char *)malloc(total);
+ if (topics_buf == NULL) {
+
+ rv = EBUS_RES_NO;
+ memset(errString, 0x00, sizeof(errString));
+ strncpy(errString, bus_strerror(rv), sizeof(errString));
+
+ logger->error("in BHRegisterTopics: Out of memory!\n");
+
+ pthread_mutex_unlock(&mutex);
+
+ goto exit_entry;
+ }
+ memset(topics_buf, 0x00, total);
+
#if defined(PRO_DE_SERIALIZE)
- total = sizeof(topics_buf) / sizeof(char);
for (i = 0; i < _input.amount; i++) {
- min = (strlen(_input.topics[i]) > (total - 1) ? (total - 1) : strlen(_input.topics[i]));
- if (min > 0) {
- strncpy(topics_buf + count, _input.topics[i], min);
- count += min;
+
+ len = strlen(_input.topics[i]);
+ strncpy(topics_buf + count, _input.topics[i], len);
+
+ count += len;
- total -= min;
-
- if ((total > 1) && (_input.amount > 1) && (i < (_input.amount - 1))) {
- strncpy(topics_buf + count, STR_MAGIC, strlen(STR_MAGIC));
- total -= 1;
- count++;
- }
- } else {
- topics_buf[strlen(topics_buf) - 1] = '\0';
+ if ((_input.amount > 1) && (i < (_input.amount - 1))) {
+ strncpy(topics_buf + count, STR_MAGIC, strlen(STR_MAGIC));
+
+ count++;
}
}
-
- //logger->debug("the parsed compound register topics: %s!\n", topics_buf);
+
#else
- memcpy(topics_buf, topics, topics_len > (sizeof(topics_buf) - 1) ? (sizeof(topics_buf) - 1) : topics_len);
+ memcpy(topics_buf, topics, topics_len);
+ count = topics_len;
#endif
- rv = net_mod_socket_reg(gNetmod_socket, topics_buf, strlen(topics_buf) + 1, NULL, 0, timeout_ms, PROC_REG_TCS);
+ rv = net_mod_socket_reg(gNetmod_socket, topics_buf, count, NULL, 0, timeout_ms, PROC_REG_TCS);
memset(errString, 0x00, sizeof(errString));
strncpy(errString, bus_strerror(rv), sizeof(errString));
-
+
+ free(topics_buf);
pthread_mutex_unlock(&mutex);
} else {
@@ -377,13 +393,13 @@
*reply = malloc(*reply_len);
mcr.SerializePartialToArray(*reply, *reply_len);
#else
- min = strlen(errString) + 1;
- buf = malloc(min) ;
+ len = strlen(errString) + 1;
+ buf = malloc(len) ;
memcpy(buf, errString, strlen(errString));
- *((char *)buf + min - 1) = '\0';
+ *((char *)buf + len - 1) = '\0';
*reply = buf;
- *reply_len = min;
+ *reply_len = len;
#endif
if (rv == 0)
@@ -462,7 +478,7 @@
buf = const_cast<void *>(topic);
strncpy(topics_buf, (const char *)buf, min);
#endif
- rv = net_mod_socket_reg(gNetmod_socket, topics_buf, strlen(topics_buf) + 1, &buf, &size, timeout_ms, PROC_QUE_TCS);
+ rv = net_mod_socket_reg(gNetmod_socket, topics_buf, min, &buf, &size, timeout_ms, PROC_QUE_TCS);
memset(errString, 0x00, sizeof(errString));
strncpy(errString, bus_strerror(rv), sizeof(errString));
@@ -712,9 +728,9 @@
int sec, nsec;
int total = 0;
int count = 0;
- int min, i;
+ int len, i;
void *buf = NULL;
- char topics_buf[MAX_STR_LEN * MAX_TOPICS_NUN] = { 0x00 };
+ char *topics_buf = NULL;
#if defined(PRO_DE_SERIALIZE)
struct _MsgTopicList
@@ -739,8 +755,11 @@
_input.amount = MAX_STR_LEN;
}
- for(int i = 0; i < _input.amount; i++)
+ for(int i = 0; i < _input.amount; i++) {
_input.topics[i] = input.topic_list(i).c_str();
+
+ total += strlen(_input.topics[i]) + 1;
+ }
#else
if ((topics == NULL) || (topics_len == 0)) {
@@ -764,49 +783,61 @@
rv = pthread_mutex_trylock(&mutex);
if (rv == 0) {
-#if defined(PRO_DE_SERIALIZE)
- total = sizeof(topics_buf) / sizeof(char);
- for (i = 0; i < _input.amount; i++) {
- min = (strlen(_input.topics[i]) > (total - 1) ? (total - 1) : strlen(_input.topics[i]));
- if (min > 0) {
- strncpy(topics_buf + count, _input.topics[i], min);
- count += min;
- total -= min;
+ topics_buf = (char *)malloc(total);
+ if (topics_buf == NULL) {
+
+ rv = EBUS_RES_NO;
+ memset(errString, 0x00, sizeof(errString));
+ strncpy(errString, bus_strerror(rv), sizeof(errString));
+
+ logger->error("in BHSubscribeTopics: Out of memory!\n");
+
+ pthread_mutex_unlock(&mutex);
- if ((total > 1) && (_input.amount > 1) && (i < (_input.amount - 1))) {
- strncpy(topics_buf + count, STR_MAGIC, strlen(STR_MAGIC));
- total -= 1;
- count++;
- }
- } else {
- topics_buf[strlen(topics_buf) - 1] = '\0';
- }
+ goto exit_entry;
}
- //logger->debug("the parsed compound sub topics: %s!\n", topics_buf);
+ memset(topics_buf, 0x00, total);
+
+#if defined(PRO_DE_SERIALIZE)
+ for (i = 0; i < _input.amount; i++) {
+ len = strlen(_input.topics[i]);
+ strncpy(topics_buf + count, _input.topics[i], len);
+
+ count += len;
+
+ if ((_input.amount > 1) && (i < (_input.amount - 1))) {
+ strncpy(topics_buf + count, STR_MAGIC, strlen(STR_MAGIC));
+
+ count++;
+ }
+ }
+
#else
- memcpy(topics_buf, topics, topics_len > (sizeof(topics_buf) - 1) ? (sizeof(topics_buf) - 1) : topics_len);
+ memcpy(topics_buf, topics, topics_len);
+ count = topics_len;
#endif
if (timeout_ms > 0) {
sec = timeout_ms / 1000;
nsec = (timeout_ms - sec * 1000) * 1000 * 1000;
- rv = net_mod_socket_sub_timeout(gNetmod_socket, topics_buf, strlen(topics_buf) + 1, sec, nsec);
+ rv = net_mod_socket_sub_timeout(gNetmod_socket, topics_buf, count, sec, nsec);
} else if (timeout_ms == 0) {
- rv = net_mod_socket_sub_nowait(gNetmod_socket, topics_buf, strlen(topics_buf) + 1);
+ rv = net_mod_socket_sub_nowait(gNetmod_socket, topics_buf, count);
} else {
- rv = net_mod_socket_sub(gNetmod_socket, topics_buf, strlen(topics_buf) + 1);
+ rv = net_mod_socket_sub(gNetmod_socket, topics_buf, count);
}
memset(errString, 0x00, sizeof(errString));
strncpy(errString, bus_strerror(rv), sizeof(errString));
+ free(topics_buf);
pthread_mutex_unlock(&mutex);
} else {
@@ -825,13 +856,13 @@
*reply=malloc(*reply_len);
mcr.SerializePartialToArray(*reply,*reply_len);
#else
- min = strlen(errString) + 1;
- buf = malloc(min) ;
+ len = strlen(errString) + 1;
+ buf = malloc(len) ;
memcpy(buf, errString, strlen(errString));
- *((char *)buf + min - 1) = '\0';
+ *((char *)buf + len - 1) = '\0';
*reply = buf;
- *reply_len = min;
+ *reply_len = len;
#endif
if (rv == 0)
@@ -1090,8 +1121,6 @@
memcpy(*proc_id, topics_buf, *proc_id_len);
#endif
-
- pthread_mutex_unlock(&mutex);
} else {
--
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