diff options
Diffstat (limited to 'src/scvpp/src/comm.c')
| -rw-r--r-- | src/scvpp/src/comm.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/src/scvpp/src/comm.c b/src/scvpp/src/comm.c deleted file mode 100644 index 11ed8a9..0000000 --- a/src/scvpp/src/comm.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * Copyright (c) 2018 HUACHENTEL and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#include <scvpp/comm.h> - -#include <stdio.h> -#include <dirent.h> - -#define APP_NAME "sweetcomb_vpp" -#define MAX_OUTSTANDING_REQUESTS 4 -#define RESPONSE_QUEUE_SIZE 2 - -sc_vpp_main_t sc_vpp_main = { - .vapi_ctx = NULL, - .vapi_mode = VAPI_MODE_BLOCKING, - .pid = 0 -}; - -sc_vpp_main_t *sc_connect_vpp() -{ - vapi_error_e rv; - - if (sc_vpp_main.vapi_ctx == NULL) { - if ((rv = vapi_ctx_alloc(&sc_vpp_main.vapi_ctx)) != VAPI_OK) { - return NULL; - } - - if ((rv = - vapi_connect(sc_vpp_main.vapi_ctx, APP_NAME, NULL, - MAX_OUTSTANDING_REQUESTS, RESPONSE_QUEUE_SIZE, - sc_vpp_main.vapi_mode, true)) != VAPI_OK) { - vapi_ctx_free(sc_vpp_main.vapi_ctx); - sc_vpp_main.vapi_ctx = NULL; - return NULL; - } - } - - sc_vpp_main.pid = sc_get_vpp_pid(); - pthread_mutex_init(&sc_vpp_main.vapi_lock, NULL); - return &sc_vpp_main; -} - -void sc_disconnect_vpp() -{ - if (NULL != sc_vpp_main.vapi_ctx) { - pthread_mutex_destroy(&sc_vpp_main.vapi_lock); - sc_vpp_main.pid = 0; - vapi_disconnect(sc_vpp_main.vapi_ctx); - vapi_ctx_free(sc_vpp_main.vapi_ctx); - sc_vpp_main.vapi_ctx = NULL; - } -} - -/* get vpp pid in system */ -pid_t sc_get_vpp_pid() -{ - DIR *dir; - struct dirent *ptr; - FILE *fp; - char cmdline_path[PATH_MAX]; - char cmdline_data[PATH_MAX]; - const char vpp_path[] = "/usr/bin/vpp"; - - dir = opendir("/proc"); - pid_t pid = 0; - /* read vpp pid file in proc, return pid of vpp */ - if (NULL != dir) { - while (NULL != (ptr = readdir(dir))) { - if ((0 == strcmp(ptr->d_name, ".")) - || (0 == strcmp(ptr->d_name, ".."))) { - continue; - } - - if (DT_DIR != ptr->d_type) { - continue; - } - - sprintf(cmdline_path, "/proc/%s/cmdline", ptr->d_name); - fp = fopen(cmdline_path, "r"); - - if (NULL != fp) { - fread(cmdline_data, 1, sizeof(vpp_path), fp); - cmdline_data[sizeof(vpp_path) - 1] = '\0'; - - if (cmdline_data == - strstr(cmdline_data, "/usr/bin/vpp")) { - pid = atoi(ptr->d_name); - } - - fclose(fp); - } - } - closedir(dir); - } - - return pid; -} - -int sc_end_with(const char* str, const char* end) -{ - if (str != NULL && end != NULL) - { - int l1 = strlen(str); - int l2 = strlen(end); - if (l1 >= l2) - { - if (strcmp(str + l1 - l2, end) == 0) - return 1; - } - } - return 0; -} - -int sc_aton(const char *cp, u8 * buf, size_t length) -{ - ARG_CHECK2(false, cp, buf); - - struct in_addr addr; - int ret = inet_aton(cp, &addr); - - if (0 == ret) - return -EINVAL; - - if (sizeof(addr) > length) - return -EINVAL; - - memcpy(buf, &addr, sizeof (addr)); - - return 0; -} - -char* sc_ntoa(const u8 * buf) -{ - ARG_CHECK(NULL, buf); - - struct in_addr addr; - memcpy(&addr, buf, sizeof(addr)); - return inet_ntoa(addr); -} - -int sc_pton(int af, const char *cp, u8 * buf) -{ - ARG_CHECK2(false, cp, buf); - - int ret = inet_pton(af, cp, buf); - - if (0 == ret) - return -EINVAL; - - return 0; -} - -const char* sc_ntop(int af, const u8 * buf, char *addr) -{ - ARG_CHECK(NULL, buf); - ARG_CHECK(NULL, addr); - - socklen_t size = 0; - if (af == AF_INET) - size = INET_ADDRSTRLEN; - else if (af == AF_INET6) - size = INET6_ADDRSTRLEN; - else - return NULL; - - return inet_ntop(af, (void*)buf, addr, size); -} - -/** - * @brief Function converts the u8 array from network byte order to host byte order. - * - * @param[in] host IPv4 address. - * @return host byte order value. - */ -uint32_t hardntohlu32(uint8_t host[4]) -{ - uint32_t tmp = host[3] | host[2] | host[1] | host[0]; - - return ntohl(tmp); -} |