From 8284df1d749fa7adb334fe4f43da77bfc9c05a71 Mon Sep 17 00:00:00 2001 From: wangzhengquan <wangzhengquan85@126.com> Date: 星期四, 24 十二月 2020 11:35:02 +0800 Subject: [PATCH] add error message method --- src/socket/shm_socket.c | 20 +++++- src/bus_error.c | 77 +++++++++++++++++++++++++ src/socket/bus_server_socket.c | 3 src/socket/shm_socket.h | 7 -- src/bus_error.h | 15 +++++ test_net_socket/heart_beat.c | 16 ++--- 6 files changed, 116 insertions(+), 22 deletions(-) diff --git a/src/bus_error.c b/src/bus_error.c new file mode 100644 index 0000000..d94e129 --- /dev/null +++ b/src/bus_error.c @@ -0,0 +1,77 @@ +#include "usg_common.h" +#include "bus_error.h" + +#define MAX_ERROR_LEN 256 /* Maximum length of string in per-thread + buffer returned by strerror() */ +#define _bus_nerr 256 + +int bus_errno; + +static pthread_once_t once = PTHREAD_ONCE_INIT; +static pthread_key_t strerrorKey; + + +static char *_bus_errlist[_bus_nerr] = { + "\0", + "timeout", + "the other end is not inline" + +}; + +static void /* Free thread-specific data buffer */ +destructor(void *buf) +{ + free(buf); +} + +static void /* One-time key creation function */ +createKey(void) +{ + int s; + + /* Allocate a unique thread-specific data key and save the address + of the destructor for thread-specific data buffers */ + + s = pthread_key_create(&strerrorKey, destructor); + if (s != 0) + err_exit(s, "pthread_key_create"); +} + +char * +bus_strerror(int err) +{ + int s; + char *buf; + + /* Make first caller allocate key for thread-specific data */ + + s = pthread_once(&once, createKey); + if (s != 0) + err_exit(s, "pthread_once"); + + buf = (char *)pthread_getspecific(strerrorKey); + if (buf == NULL) + { + /* If first call from this thread, allocate + buffer for thread, and save its location */ + buf = (char *)malloc(MAX_ERROR_LEN); + if (buf == NULL) + err_exit(errno, "malloc"); + + s = pthread_setspecific(strerrorKey, buf); + if (s != 0) + err_exit(s, "pthread_setspecific"); + } + + if (err < 0 || err >= _bus_nerr || _bus_errlist[err] == NULL) + { + snprintf(buf, MAX_ERROR_LEN, "Unknown error %d", err); + } + else + { + strncpy(buf, _bus_errlist[err], MAX_ERROR_LEN - 1); + buf[MAX_ERROR_LEN - 1] = '\0'; /* Ensure null termination */ + } + + return buf; +} diff --git a/src/bus_error.h b/src/bus_error.h new file mode 100644 index 0000000..af7426a --- /dev/null +++ b/src/bus_error.h @@ -0,0 +1,15 @@ +#ifndef __BUS_ERROR_H__ +#define __BUS_ERROR_H__ + + + + + +#define EBUS_TIMEOUT 1 +#define EBUS_CLOSED 2 + +extern int bus_errno; + +char *bus_strerror(int eno) ; + +#endif \ No newline at end of file diff --git a/src/socket/bus_server_socket.c b/src/socket/bus_server_socket.c index 0f4e52e..9bd61b0 100644 --- a/src/socket/bus_server_socket.c +++ b/src/socket/bus_server_socket.c @@ -1,6 +1,7 @@ #include "bus_server_socket.h" #include "shm_mod_socket.h" +#include "bus_error.h" static Logger *logger = LoggerFactory::getLogger(); @@ -212,7 +213,7 @@ for(set_iter = subscripter_set->begin(); set_iter != subscripter_set->end(); set_iter++) { send_key = *set_iter; // printf("_proxy_pub send before %d \n", send_key); - if (shm_sendto(shm_socket, buf, size, send_key, &timeout) == SHM_SOCKET_ECONNFAILED ) { + if (shm_sendto(shm_socket, buf, size, send_key, &timeout) == EBUS_CLOSED ) { //瀵规柟宸插叧闂殑杩炴帴鏀惧埌寰呭垹闄ら槦鍒楅噷銆傚鏋滅洿鎺ュ垹闄や細璁﹊ter鎸囬拡鍑虹幇閿欎贡 subscripter_to_del.push_back(send_key); } else { diff --git a/src/socket/shm_socket.c b/src/socket/shm_socket.c index c1ac3c8..f53b520 100644 --- a/src/socket/shm_socket.c +++ b/src/socket/shm_socket.c @@ -2,6 +2,7 @@ #include "hashtable.h" #include "logger_factory.h" #include <map> +#include "bus_error.h" static Logger *logger = LoggerFactory::getLogger(); @@ -323,8 +324,9 @@ SHMQueue<shm_msg_t> *remoteQueue; if ((remoteQueue = _attach_remote_queue(key)) == NULL) { - logger->error( "shm_sendto failed, the other end has been closed, or has not been opened!"); - return SHM_SOCKET_ECONNFAILED; + bus_errno = EBUS_CLOSED; + logger->error("sendto key %d failed, %s", key, bus_strerror(bus_errno)); + return EBUS_CLOSED; } shm_msg_t dest; @@ -351,8 +353,16 @@ } else { delete remoteQueue; mm_free(dest.buf); - logger->error(errno, "sendto key %d failed!", key); - return -1; + if(errno == EAGAIN) { + bus_errno = EBUS_TIMEOUT; + logger->error("sendto key %d failed, %s", key, bus_strerror(bus_errno)); + return EBUS_TIMEOUT; + } else { + logger->error(errno, "sendto key %d failed!", key); + return -1; + } + + } } @@ -532,7 +542,7 @@ hashtable_t *hashtable = mm_get_hashtable(); if (hashtable_get(hashtable, key) == NULL) { - logger->error("shm_socket._remote_queue_attach锛歝onnet at key %d failed!", key); + //logger->error("shm_socket._remote_queue_attach锛歝onnet at key %d failed!", key); return NULL; } diff --git a/src/socket/shm_socket.h b/src/socket/shm_socket.h index cf6737f..8667796 100644 --- a/src/socket/shm_socket.h +++ b/src/socket/shm_socket.h @@ -11,13 +11,6 @@ SHM_MSG_NOWAIT = 2 }; - - -enum shm_socket_error_type_t { - SHM_SOCKET_ECONNFAILED = 1, - SHM_SOCKET_ETIMEOUT = 2 -}; - enum shm_connection_status_t { SHM_CONN_CLOSED=1, SHM_CONN_LISTEN=2, diff --git a/test_net_socket/heart_beat.c b/test_net_socket/heart_beat.c index 562cb23..d7f5ed3 100644 --- a/test_net_socket/heart_beat.c +++ b/test_net_socket/heart_beat.c @@ -28,14 +28,12 @@ char sendbuf[512]; int rv; int remote_port; - while (true) { - if ((rv = net_mod_socket_recvfrom(serv, &recvbuf, &size, &remote_port) ) == 0) { - printf( "RECEIVED HREARTBEAT FROM %d: %s\n", remote_port, recvbuf); - net_mod_socket_sendto(serv, "suc", strlen("suc")+1, remote_port); - free(recvbuf); - } - + while (net_mod_socket_recvfrom(serv, &recvbuf, &size, &remote_port) == 0) { + printf( "RECEIVED HREARTBEAT FROM %d: %s\n", remote_port, recvbuf); + net_mod_socket_sendto(serv, "suc", strlen("suc")+1, remote_port); + free(recvbuf); } + // sleep(1000); net_mod_socket_close(serv); } @@ -45,7 +43,7 @@ int size; char sendbuf[512]; long i = 0; - net_node_t node_arr[] = {"", 0, 100}; + net_node_t node_arr[] = {"", 0, port}; int node_arr_size = 1; int recv_arr_size; @@ -53,7 +51,7 @@ while (true) { sprintf(sendbuf, "%d", i); printf("SEND HEART:%s\n", sendbuf); - rv = net_mod_socket_sendandrecv(client, node_arr, node_arr_size, sendbuf, strlen(sendbuf)+1, NULL, NULL); + rv = net_mod_socket_sendandrecv_timeout(client, node_arr, node_arr_size, sendbuf, strlen(sendbuf)+1, NULL, NULL, 1000); // sleep(1); i++; } -- Gitblit v1.8.0