--- lbbs/src/net_server.c 2025/05/17 11:54:24 1.37 +++ lbbs/src/net_server.c 2025/06/01 14:14:34 1.45 @@ -22,9 +22,11 @@ #include "common.h" #include "log.h" #include "io.h" +#include "init.h" #include "fork.h" #include "menu.h" #include "file_loader.h" +#include "section_list_loader.h" #include #include #include @@ -38,6 +40,15 @@ #include #include +struct process_sockaddr_t +{ + pid_t pid; + in_addr_t s_addr; +}; +typedef struct process_sockaddr_t PROCESS_SOCKADDR; + +static PROCESS_SOCKADDR process_sockaddr_pool[MAX_CLIENTS_LIMIT]; + int net_server(const char *hostaddr, in_port_t port) { unsigned int namelen; @@ -49,6 +60,8 @@ int net_server(const char *hostaddr, in_ siginfo_t siginfo; int sd_notify_stopping = 0; MENU_SET *p_bbs_menu_new; + int i, j; + pid_t pid; socket_server = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); @@ -142,6 +155,23 @@ int net_server(const char *hostaddr, in_ SYS_child_process_count--; log_std("Child process (%d) exited\n", siginfo.si_pid); + + if (siginfo.si_pid != section_list_loader_pid) + { + i = 0; + for (; i < BBS_max_client; i++) + { + if (process_sockaddr_pool[i].pid == siginfo.si_pid) + { + process_sockaddr_pool[i].pid = 0; + break; + } + } + if (i >= BBS_max_client) + { + log_error("Child process (%d) not found in process sockaddr pool\n", siginfo.si_pid); + } + } } else if (ret == 0) { @@ -165,11 +195,17 @@ int net_server(const char *hostaddr, in_ sd_notifyf(0, "STATUS=Waiting for %d child process to exit", SYS_child_process_count); } - if (SYS_menu_reload && !SYS_server_exit) + if (SYS_conf_reload && !SYS_server_exit) { - SYS_menu_reload = 0; + SYS_conf_reload = 0; sd_notify(0, "RELOADING=1"); + // Reload configuration + if (load_conf(CONF_BBSD) < 0) + { + log_error("Reload conf failed\n"); + } + p_bbs_menu_new = calloc(1, sizeof(MENU_SET)); if (p_bbs_menu_new == NULL) { @@ -179,13 +215,12 @@ int net_server(const char *hostaddr, in_ { unload_menu(p_bbs_menu_new); free(p_bbs_menu_new); + p_bbs_menu_new = NULL; log_error("Reload menu failed\n"); } else { - unload_menu_shm(p_bbs_menu_new); - unload_menu(p_bbs_menu); free(p_bbs_menu); @@ -205,7 +240,7 @@ int net_server(const char *hostaddr, in_ for (int i = 0; i < data_files_load_startup_count; i++) { - if (load_file_shm(data_files_load_startup[i]) < 0) + if (load_file(data_files_load_startup[i]) < 0) { log_error("load_file_mmap(%s) error\n", data_files_load_startup[i]); } @@ -215,6 +250,16 @@ int net_server(const char *hostaddr, in_ sd_notify(0, "READY=1"); } + if (SYS_section_list_reload && !SYS_server_exit) + { + SYS_section_list_reload = 0; + + if (section_list_loader_reload() < 0) + { + log_error("ksection_list_loader_reload() failed\n"); + } + } + nfds = epoll_wait(epollfd, events, MAX_EVENTS, 100); // 0.1 second if (nfds < 0) @@ -264,9 +309,54 @@ int net_server(const char *hostaddr, in_ log_std("Accept connection from %s:%d\n", hostaddr_client, port_client); - if (fork_server() < 0) + if (SYS_child_process_count - 1 < BBS_max_client) + { + j = 0; + for (i = 0; i < BBS_max_client; i++) + { + if (process_sockaddr_pool[i].pid != 0 && process_sockaddr_pool[i].s_addr == sin.sin_addr.s_addr) + { + j++; + if (j >= BBS_max_client_per_ip) + { + log_error("Too many client connections (%d) from %s\n", j, hostaddr_client); + break; + } + } + } + + if (j < BBS_max_client_per_ip) + { + if ((pid = fork_server()) < 0) + { + log_error("fork_server() error\n"); + } + else if (pid > 0) + { + i = 0; + for (; i < BBS_max_client; i++) + { + if (process_sockaddr_pool[i].pid == 0) + { + break; + } + } + + if (i >= BBS_max_client) + { + log_error("Process sockaddr pool depleted\n"); + } + else + { + process_sockaddr_pool[i].pid = pid; + process_sockaddr_pool[i].s_addr = sin.sin_addr.s_addr; + } + } + } + } + else { - log_error("fork_server() error\n"); + log_error("Rejected client connection over limit (%d)\n", SYS_child_process_count - 1); } if (close(socket_client) == -1)