X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fprevious%2Fe2apv1sim%2Fsrc%2FSCTP%2Fe2sim_sctp.cpp;fp=e2sim%2Fprevious%2Fe2apv1sim%2Fsrc%2FSCTP%2Fe2sim_sctp.cpp;h=0000000000000000000000000000000000000000;hp=55547b4a82ebb08db603e4bf285e9847c392a3b2;hb=f86662b5b6481f27e18313a36355871f3a947193;hpb=a9f02a2b5886990fd81e64f7c218c5d4844f18a3 diff --git a/e2sim/previous/e2apv1sim/src/SCTP/e2sim_sctp.cpp b/e2sim/previous/e2apv1sim/src/SCTP/e2sim_sctp.cpp deleted file mode 100644 index 55547b4..0000000 --- a/e2sim/previous/e2apv1sim/src/SCTP/e2sim_sctp.cpp +++ /dev/null @@ -1,297 +0,0 @@ -/***************************************************************************** -# * -# Copyright 2019 AT&T Intellectual Property * -# Copyright 2019 Nokia * -# * -# 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 -#include -#include //for close() -#include -#include -#include -#include -#include //for inet_ntop() -#include - -#include "e2sim_sctp.hpp" -// #include "e2sim_defs.h" - - -#include -#include -#include -#include -#include -#include -#include -#include - -int sctp_start_server(const char *server_ip_str, const int server_port) -{ - if(server_port < 1 || server_port > 65535) { - LOG_E("Invalid port number (%d). Valid values are between 1 and 65535.\n", server_port); - exit(1); - } - - int server_fd, af; - struct sockaddr* server_addr; - size_t addr_len; - - struct sockaddr_in server4_addr; - memset(&server4_addr, 0, sizeof(struct sockaddr_in)); - - struct sockaddr_in6 server6_addr; - memset(&server6_addr, 0, sizeof(struct sockaddr_in6)); - - if(inet_pton(AF_INET, server_ip_str, &server4_addr.sin_addr) == 1) - { - server4_addr.sin_family = AF_INET; - server4_addr.sin_port = htons(server_port); - - server_addr = (struct sockaddr*)&server4_addr; - af = AF_INET; - addr_len = sizeof(server4_addr); - } - else if(inet_pton(AF_INET6, server_ip_str, &server6_addr.sin6_addr) == 1) - { - server6_addr.sin6_family = AF_INET6; - server6_addr.sin6_port = htons(server_port); - - server_addr = (struct sockaddr*)&server6_addr; - af = AF_INET6; - addr_len = sizeof(server6_addr); - } - else { - perror("inet_pton()"); - exit(1); - } - - if((server_fd = socket(af, SOCK_STREAM, IPPROTO_SCTP)) == -1) { - perror("socket"); - exit(1); - } - - //set send_buffer - // int sendbuff = 10000; - // socklen_t optlen = sizeof(sendbuff); - // if(getsockopt(server_fd, SOL_SOCKET, SO_SNDBUF, &sendbuff, &optlen) == -1) { - // perror("getsockopt send"); - // exit(1); - // } - // else - // LOG_D("[SCTP] send buffer size = %d\n", sendbuff); - - - if(bind(server_fd, server_addr, addr_len) == -1) { - perror("bind"); - exit(1); - } - - if(listen(server_fd, SERVER_LISTEN_QUEUE_SIZE) != 0) { - perror("listen"); - exit(1); - } - - assert(server_fd != 0); - - LOG_I("[SCTP] Server started on %s:%d", server_ip_str, server_port); - - return server_fd; -} - -int sctp_start_client(const char *server_ip_str, const int server_port) -{ - int client_fd, af; - - struct sockaddr* server_addr; - size_t addr_len; - - struct sockaddr_in server4_addr; - memset(&server4_addr, 0, sizeof(struct sockaddr_in)); - - struct sockaddr_in6 server6_addr; - memset(&server6_addr, 0, sizeof(struct sockaddr_in6)); - - if(inet_pton(AF_INET, server_ip_str, &server4_addr.sin_addr) == 1) - { - server4_addr.sin_family = AF_INET; - server4_addr.sin_port = htons(server_port); - server_addr = (struct sockaddr*)&server4_addr; - addr_len = sizeof(server4_addr); - } - else if(inet_pton(AF_INET6, server_ip_str, &server6_addr.sin6_addr) == 1) - { - server6_addr.sin6_family = AF_INET6; - server6_addr.sin6_port = htons(server_port); - server_addr = (struct sockaddr*)&server6_addr; - addr_len = sizeof(server6_addr); - } - else { - perror("inet_pton()"); - exit(1); - } - - if((client_fd = socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP)) == -1) - { - perror("socket"); - exit(1); - } - - // int sendbuff = 10000; - // socklen_t optlen = sizeof(sendbuff); - // if(getsockopt(client_fd, SOL_SOCKET, SO_SNDBUF, &sendbuff, &optlen) == -1) { - // perror("getsockopt send"); - // exit(1); - // } - // else - // LOG_D("[SCTP] send buffer size = %d\n", sendbuff); - - //-------------------------------- - //Bind before connect - auto optval = 1; - if( setsockopt(client_fd, SOL_SOCKET, SO_REUSEPORT, &optval, sizeof optval) != 0 ){ - perror("setsockopt port"); - exit(1); - } - - if( setsockopt(client_fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof optval) != 0 ){ - perror("setsockopt addr"); - exit(1); - } - - struct sockaddr_in6 client6_addr {}; - client6_addr.sin6_family = AF_INET6; - client6_addr.sin6_port = htons(RIC_SCTP_SRC_PORT); - client6_addr.sin6_addr = in6addr_any; - - LOG_I("[SCTP] Binding client socket to source port %d", RIC_SCTP_SRC_PORT); - if(bind(client_fd, (struct sockaddr*)&client6_addr, sizeof(client6_addr)) == -1) { - perror("bind"); - exit(1); - } - // end binding --------------------- - - LOG_I("[SCTP] Connecting to server at %s:%d ...", server_ip_str, server_port); - if(connect(client_fd, server_addr, addr_len) == -1) { - perror("connect"); - exit(1); - } - assert(client_fd != 0); - - LOG_I("[SCTP] Connection established"); - - return client_fd; -} - -int sctp_accept_connection(const char *server_ip_str, const int server_fd) -{ - LOG_I("[SCTP] Waiting for new connection..."); - - struct sockaddr client_addr; - socklen_t client_addr_size; - int client_fd; - - //Blocking call - client_fd = accept(server_fd, &client_addr, &client_addr_size); - fprintf(stderr, "client fd is %d\n", client_fd); - if(client_fd == -1){ - perror("accept()"); - close(client_fd); - exit(1); - } - - //Retrieve client IP_ADDR - char client_ip6_addr[INET6_ADDRSTRLEN], client_ip4_addr[INET_ADDRSTRLEN]; - if(strchr(server_ip_str, ':') != NULL) //IPv6 - { - struct sockaddr_in6* client_ipv6 = (struct sockaddr_in6*)&client_addr; - inet_ntop(AF_INET6, &(client_ipv6->sin6_addr), client_ip6_addr, INET6_ADDRSTRLEN); - LOG_I("[SCTP] New client connected from %s", client_ip6_addr); - } - else { - struct sockaddr_in* client_ipv4 = (struct sockaddr_in*)&client_addr; - inet_ntop(AF_INET, &(client_ipv4->sin_addr), client_ip4_addr, INET_ADDRSTRLEN); - LOG_I("[SCTP] New client connected from %s", client_ip4_addr); - } - - return client_fd; -} - -int sctp_send_data(int &socket_fd, sctp_buffer_t &data) -{ - fprintf(stderr,"in sctp send data func\n"); - fprintf(stderr,"data.len is %d", data.len); - int sent_len = send(socket_fd, (void*)(&(data.buffer[0])), data.len, 0); - fprintf(stderr,"after getting sent_len\n"); - - if(sent_len == -1) { - perror("[SCTP] sctp_send_data"); - exit(1); - } - - return sent_len; -} - -int sctp_send_data_X2AP(int &socket_fd, sctp_buffer_t &data) -{ - int sent_len = sctp_sendmsg(socket_fd, (void*)(&(data.buffer[0])), data.len, - NULL, 0, (uint32_t) X2AP_PPID, 0, 0, 0, 0); - - if(sent_len == -1) { - perror("[SCTP] sctp_send_data"); - exit(1); - } - -} - -/* -Receive data from SCTP socket -Outcome of recv() --1: exit the program -0: close the connection -+: new data -*/ -int sctp_receive_data(int &socket_fd, sctp_buffer_t &data) -{ - //clear out the data before receiving - fprintf(stderr, "receive data1\n"); - memset(data.buffer, 0, sizeof(data.buffer)); - fprintf(stderr, "receive data2\n"); - data.len = 0; - - //receive data from the socket - int recv_len = recv(socket_fd, &(data.buffer), sizeof(data.buffer), 0); - fprintf(stderr, "receive data3\n"); - - if(recv_len == -1) - { - perror("[SCTP] recv"); - exit(1); - } - else if (recv_len == 0) - { - LOG_I("[SCTP] Connection closed by remote peer"); - if(close(socket_fd) == -1) - { - perror("[SCTP] close"); - } - return -1; - } - - data.len = recv_len; - - return recv_len; -}