mirror of
https://github.com/fumiama/simple-dict.git
synced 2026-06-06 02:30:25 +08:00
667 lines
25 KiB
C
667 lines
25 KiB
C
/* See feature_test_macros(7) */
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#define _GNU_SOURCE 1
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <pthread.h>
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#include <signal.h>
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#include <simple_protobuf.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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#include "server.h"
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#include "dict.h"
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#include "crypto.h"
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#include "config.h"
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#if !__APPLE__
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#include <sys/sendfile.h>
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#endif
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#ifdef LISTEN_ON_IPV6
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static socklen_t struct_len = sizeof(struct sockaddr_in6);
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static struct sockaddr_in6 server_addr;
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static struct sockaddr_in6 client_addr;
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#else
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static socklen_t struct_len = sizeof(struct sockaddr_in);
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static struct sockaddr_in server_addr;
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static struct sockaddr_in client_addr;
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#endif
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struct THREADTIMER {
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uint32_t index;
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time_t touch;
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int accept_fd;
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ssize_t numbytes;
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char *dat, *ptr;
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char lock_type;
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};
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typedef struct THREADTIMER THREADTIMER;
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static int fd; // server fd
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static pthread_t accept_threads[THREADCNT];
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static DICT d;
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static DICT* setdict;
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static uint32_t* items_len;
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static CONFIG* cfg;
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static pthread_attr_t attr;
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static pthread_rwlock_t mu;
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#define DICTPOOLSZ (((uint32_t)-1)>>((sizeof(uint32_t)*8-DICTPOOLBIT)))
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static DICT* dict_pool[DICTPOOLSZ+1];
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#define showUsage(program) printf("Usage: %s [-d] listen_port try_times dict_file config_file\n\t-d: As daemon\n", program)
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static void accept_client();
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static void accept_timer(void *p);
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static int bind_server(uint16_t port, int try_times);
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static int close_and_send(THREADTIMER* timer, char *data, size_t numbytes);
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static void del(FILE *fp, char* key, int len, char ret[4]);
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static void handle_accept(void *accept_fd_p);
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static void handle_pipe(int signo);
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static void handle_quit(int signo);
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static void init_dict_pool(FILE *fp);
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static void kill_thread(THREADTIMER* timer);
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static uint32_t last_nonnull(char* p, uint32_t max_size);
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static int listen_socket(int try_times);
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static int send_all(THREADTIMER *timer);
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static int send_data(int accept_fd, int index, char *data, size_t length);
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static int s1_get(THREADTIMER *timer);
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static int s2_set(THREADTIMER *timer);
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static int s3_set_data(THREADTIMER *timer);
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static int s4_del(THREADTIMER *timer);
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static int s5_md5(THREADTIMER *timer);
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static int bind_server(uint16_t port, int try_times) {
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int fail_count = 0;
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int result = -1;
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#ifdef LISTEN_ON_IPV6
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server_addr.sin6_family = AF_INET6;
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server_addr.sin6_port = htons(port);
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bzero(&(server_addr.sin6_addr), sizeof(server_addr.sin6_addr));
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fd = socket(PF_INET6, SOCK_STREAM, 0);
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#else
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = htons(port);
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server_addr.sin_addr.s_addr = INADDR_ANY;
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bzero(&(server_addr.sin_zero), 8);
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fd = socket(AF_INET, SOCK_STREAM, 0);
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#endif
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while(!~(result = bind(fd, (struct sockaddr *)&server_addr, struct_len)) && fail_count++ < try_times) sleep(1);
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if(!~result && fail_count >= try_times) {
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puts("Bind server failure!");
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return 0;
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} else{
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puts("Bind server success!");
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return 1;
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}
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}
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static int listen_socket(int try_times) {
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int fail_count = 0;
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int result = -1;
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while(!~(result = listen(fd, 10)) && fail_count++ < try_times) sleep(1);
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if(!~result && fail_count >= try_times) {
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puts("Listen failed!");
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return 0;
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} else{
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puts("Listening...");
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return 1;
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}
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}
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static uint32_t last_nonnull(char* p, uint32_t max_size) {
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if(max_size > 1) while(!p[max_size - 1]) max_size--;
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return max_size;
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}
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static int send_data(int accept_fd, int index, char *data, size_t length) {
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char buf[CMDPACKET_LEN_MAX];
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CMDPACKET* p = (CMDPACKET*)buf;
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p->cmd = CMDACK;
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p->datalen = length;
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memcpy(p->data, data, p->datalen);
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cmdpacket_encrypt(p, index, cfg->pwd);
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int total = CMDPACKET_HEAD_LEN+p->datalen;
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if(!~send(accept_fd, buf, total, 0)) {
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puts("Send data error");
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return 0;
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} else {
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printf("Send %d bytes data: ", total);
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for(int i = 0; i < length; i++) putchar(data[i]);
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putchar('\n');
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return 1;
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}
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}
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static int send_all(THREADTIMER *timer) {
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int re = 1;
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pthread_cleanup_push((void*)&pthread_rwlock_unlock, (void*)&mu);
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FILE *fp = open_dict(DICT_LOCK_SH, timer->index, &mu);
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if(!fp) return 1;
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timer->lock_type = DICT_LOCK_SH;
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off_t len = 0, file_size = get_dict_size(&mu);
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char* buf = (char*)malloc(file_size);
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if(buf) {
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if(fread(buf, file_size, 1, fp) == 1) {
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#ifdef DEBUG
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printf("Get dict file size: %u\n", (unsigned int)file_size);
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#endif
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char* encbuf = raw_encrypt(buf, &file_size, timer->index, cfg->pwd);
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sprintf(timer->dat, "%u$", (unsigned int)file_size);
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//printf("Get encrypted file size: %s\n", timer->dat);
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//FILE* fp = fopen("raw_after_enc", "wb+");
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//fwrite(encbuf, file_size, 1, fp);
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//fclose(fp);
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if(send(timer->accept_fd, timer->dat, strlen(timer->dat), 0) > 0) {
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re = send(timer->accept_fd, encbuf, file_size, 0);
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printf("Send %u bytes.\n", re);
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} else re = 0;
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free(encbuf);
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}
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free(buf);
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}
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close_dict(DICT_LOCK_SH, timer->index, &mu);
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pthread_cleanup_pop(0);
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return re;
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}
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#define has_next(fp, ch) ((ch=getc(fp)),(feof(fp)?0:(ch?ungetc(ch,fp):1)))
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static void init_dict_pool(FILE *fp) {
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uint8_t digest[16];
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int ch;
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while(has_next(fp, ch)) {
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if(!ch) continue; // skip null bytes
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SIMPLE_PB* spb = get_pb(fp);
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if(!spb) continue; // skip error bytes
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DICT* d = (DICT*)spb->target;
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md5((uint8_t *)d->key, strlen(d->key)+1, digest);
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uint8_t* dp = digest;
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int p = ((*((uint32_t*)digest))>>(8*sizeof(uint32_t)-DICTPOOLBIT))&DICTPOOLSZ;
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int c = 16-4;
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DICT* slot;
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while((slot=dict_pool[p]) && c-->0) {
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#ifdef DEBUG
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printf("digest of %s: %08x got conflicted, remaining chance: %d.\n", d->key, p, c);
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#endif
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p = ((*((uint32_t*)(++dp)))>>(8*sizeof(uint32_t)-DICTPOOLBIT))&DICTPOOLSZ; // 哈希碰撞
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#ifdef DEBUG
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printf("skip digest of %s to %08x.\n", d->key, p);
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#endif
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}
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#ifdef DEBUG
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if(slot) printf("cannot find any empty slot for digest of %s: %08x, drop it.\n", d->key, p);
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#endif
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if(!slot) {
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DICT* dnew = (DICT*)malloc(sizeof(DICT));
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memcpy(dnew, d, sizeof(DICT));
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dict_pool[p] = dnew; // 解决哈希冲突
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}
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free(spb);
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}
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}
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static int s1_get(THREADTIMER *timer) {
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uint8_t digest[16];
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FILE *fp = open_dict(DICT_LOCK_SH, timer->index, &mu);
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//timer->status = 0;
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while(fp) {
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int ch;
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timer->lock_type = DICT_LOCK_SH;
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md5((uint8_t*)timer->dat, strlen(timer->dat)+1, digest);
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uint8_t* dp = digest;
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int p = ((*((uint32_t*)digest))>>(8*sizeof(uint32_t)-DICTPOOLBIT))&DICTPOOLSZ;
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if(!dict_pool[p]) break;
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int c = 16-4;
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int notok = 1;
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while(dict_pool[p] && (notok=strcmp(timer->dat, dict_pool[p]->key)) && c-->0) p = ((*((uint32_t*)(++dp)))>>(8*sizeof(uint32_t)-DICTPOOLBIT))&DICTPOOLSZ; // 哈希碰撞
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if(!notok) {
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return close_and_send(timer, dict_pool[p]->data, last_nonnull(dict_pool[p]->data, DICTDATSZ));
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}
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while(has_next(fp, ch)) {
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if(!ch) continue; // skip null bytes
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SIMPLE_PB* spb = get_pb(fp);
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DICT* d = (DICT*)spb->target;
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if(!strcmp(timer->dat, d->key)) {
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int r = close_and_send(timer, d->data, last_nonnull(d->data, DICTDATSZ));
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free(spb);
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return r;
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} else free(spb);
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}
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break;
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}
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return close_and_send(timer, "null", 4);
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}
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static int s2_set(THREADTIMER *timer) {
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uint8_t digest[16];
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timer->lock_type = DICT_LOCK_EX;
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FILE *fp = open_dict(DICT_LOCK_EX, timer->index, &mu);
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if(fp) {
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md5((uint8_t*)timer->dat, strlen(timer->dat)+1, digest);
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uint8_t* dp = digest;
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int p = ((*((uint32_t*)digest))>>(8*sizeof(uint32_t)-DICTPOOLBIT))&DICTPOOLSZ;
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if(!dict_pool[p]) setdict = dict_pool[p] = (DICT*)malloc(sizeof(DICT));
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else {
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int c = 16-4;
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int notok;
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while(dict_pool[p] && (notok=strcmp(timer->dat, dict_pool[p]->key)) && c-->0) p = ((*((uint32_t*)(++dp)))>>(8*sizeof(uint32_t)-DICTPOOLBIT))&DICTPOOLSZ; // 哈希碰撞
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if(!dict_pool[p]) setdict = dict_pool[p] = (DICT*)malloc(sizeof(DICT)); // 无值
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else if(notok) setdict = &d; // 全部冲突
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else { // 已有值
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char ret[4];
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del(fp, timer->dat, timer->numbytes+1, ret); // 先删去
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if(*(uint32_t*)ret == *(uint32_t*)"erro") return close_and_send(timer, "erro", 4);
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setdict = dict_pool[p];
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}
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}
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#ifdef DEBUG
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printf("item %s(%0*x) will fill into %p.\n", timer->dat, DICTPOOLBIT/4, p, dict_pool[p]);
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#endif
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//timer->status = 3;
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memset(setdict, 0, sizeof(DICT));
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strncpy(setdict->key, timer->dat, DICTKEYSZ-1);
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fseek(fp, 0, SEEK_END);
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return send_data(timer->accept_fd, timer->index, "data", 4);
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} else {
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timer->lock_type = DICT_LOCK_UN;
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//timer->status = 0;
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return send_data(timer->accept_fd, timer->index, "erro", 4);
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}
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}
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static int s3_set_data(THREADTIMER *timer) {
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//timer->status = 0;
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uint32_t datasize = (timer->numbytes > (DICTDATSZ-1))?(DICTDATSZ-1):timer->numbytes;
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#ifdef DEBUG
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printf("Set data size: %u\n", datasize);
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#endif
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memcpy(setdict->data, timer->dat, datasize);
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if(!set_pb(get_dict_fp_wr(), items_len, sizeof(DICT), setdict)) {
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printf("Error set data: dict[%s]=%s\n", setdict->key, timer->dat);
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return close_and_send(timer, "erro", 4);
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} else {
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printf("Set data: dict[%s]=%s\n", setdict->key, timer->dat);
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return close_and_send(timer, "succ", 4);
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}
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}
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static void del(FILE *fp, char* key, int len, char ret[4]) {
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int ch;
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while(has_next(fp, ch)) {
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if(!ch) continue; // skip null bytes
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SIMPLE_PB* spb = get_pb(fp);
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DICT* d = (DICT*)spb->target;
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if(memcmp(key, d->key, len)) {
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free(spb);
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continue;
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}
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uint32_t next = ftell(fp);
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uint32_t this = next - spb->real_len;
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fseek(fp, 0, SEEK_END);
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uint32_t end = ftell(fp);
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if(next == end) {
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if(!ftruncate(fileno(fp), end - spb->real_len)) {
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free(spb);
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*(uint32_t*)ret = *(uint32_t*)"succ";
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} else {
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free(spb);
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*(uint32_t*)ret = *(uint32_t*)"erro";
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}
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return;
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}
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uint32_t cap = end - next;
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#ifdef DEBUG
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printf("this: %u, next: %u, end: %u, cap: %u\n", this, next, end, cap);
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#endif
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char* data = malloc(cap);
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if(data) {
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fseek(fp, next, SEEK_SET);
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if(fread(data, cap, 1, fp) == 1) {
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if(!ftruncate(fileno(fp), end - spb->real_len)) {
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fseek(fp, this, SEEK_SET);
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if(fwrite(data, cap, 1, fp) == 1) {
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free(data);
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free(spb);
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*(uint32_t*)ret = *(uint32_t*)"succ";
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return;
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}
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}
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}
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free(data);
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}
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free(spb);
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*(uint32_t*)ret = *(uint32_t*)"erro";
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return;
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}
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*(uint32_t*)ret = *(uint32_t*)"null";
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return;
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}
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static int s4_del(THREADTIMER *timer) {
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uint8_t digest[16];
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char ret[4];
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timer->lock_type = DICT_LOCK_EX;
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FILE *fp = open_dict(DICT_LOCK_EX, timer->index, &mu);
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//timer->status = 0;
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if(fp) {
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md5((uint8_t*)timer->dat, strlen(timer->dat)+1, digest);
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uint8_t* dp = digest;
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int p = ((*((uint32_t*)digest))>>(8*sizeof(uint32_t)-DICTPOOLBIT))&DICTPOOLSZ;
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int c = 16-4;
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int notok = 1;
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while(dict_pool[p] && (notok=strcmp(timer->dat, dict_pool[p]->key)) && c-->0) p = ((*((uint32_t*)(++dp)))>>(8*sizeof(uint32_t)-DICTPOOLBIT))&DICTPOOLSZ; // 哈希碰撞
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if(notok) return close_and_send(timer, "null", 4);
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free(dict_pool[p]);
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dict_pool[p] = NULL;
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del(fp, timer->dat, timer->numbytes+1, ret);
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return close_and_send(timer, ret, 4);
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}
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timer->lock_type = DICT_LOCK_UN;
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return close_and_send(timer, "null", 4);
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}
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static int s5_md5(THREADTIMER *timer) {
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//timer->status = 0;
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fill_md5(&mu);
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if(is_md5_equal((uint8_t*)timer->dat)) return send_data(timer->accept_fd, timer->index, "null", 4);
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else return send_data(timer->accept_fd, timer->index, "nequ", 4);
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}
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static void handle_quit(int signo) {
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printf("Handle quit with sig %d\n", signo);
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pthread_exit(NULL);
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}
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#define timer_pointer_of(x) ((THREADTIMER*)(x))
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#define touch_timer(x) timer_pointer_of(x)->touch = time(NULL)
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static void accept_timer(void *p) {
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THREADTIMER *timer = timer_pointer_of(p);
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uint32_t index = timer->index;
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while(accept_threads[index] && !pthread_kill(accept_threads[index], 0)) {
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sleep(MAXWAITSEC / 4);
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time_t waitsec = time(NULL) - timer->touch;
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printf("Wait sec: %u, max: %u\n", (unsigned int)waitsec, MAXWAITSEC);
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if(timer->lock_type == DICT_LOCK_EX) {
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if(waitsec > MAXWAITSEC*THREADCNT) break;
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} else if(waitsec > MAXWAITSEC) break;
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}
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pthread_t thread = accept_threads[index];
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if(thread) {
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pthread_kill(thread, SIGQUIT);
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puts("Kill thread");
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}
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}
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static void kill_thread(THREADTIMER* timer) {
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puts("Start killing");
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accept_threads[timer->index] = 0;
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if(timer->accept_fd) {
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close(timer->accept_fd);
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timer->accept_fd = 0;
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puts("Close accept");
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}
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if(timer->ptr) {
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free(timer->ptr);
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timer->ptr = NULL;
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puts("Free data");
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}
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if(timer->lock_type) close_dict(timer->lock_type, timer->index, &mu);
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free(timer);
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puts("Finish killing");
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}
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static void handle_pipe(int signo) {
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printf("Pipe error: %d\n", signo);
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pthread_exit(NULL);
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}
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static void handle_accept(void *p) {
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int accept_fd = timer_pointer_of(p)->accept_fd;
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if(accept_fd > 0) {
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puts("\nConnected to the client");
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pthread_t thread;
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pthread_cleanup_push((void*)&kill_thread, p);
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if (pthread_create(&thread, &attr, (void *)&accept_timer, p)) puts("Error creating timer thread");
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|
else puts("Creating timer thread succeeded");
|
|
//send_data(accept_fd, "Welcome to simple dict server.", 31);
|
|
//timer_pointer_of(p)->status = -1;
|
|
uint32_t index = timer_pointer_of(p)->index;
|
|
char *buff = malloc(BUFSIZ*sizeof(char));
|
|
if(buff) {
|
|
timer_pointer_of(p)->ptr = buff;
|
|
CMDPACKET* cp = (CMDPACKET*)buff;
|
|
ssize_t numbytes = 0, offset = 0;
|
|
while(
|
|
accept_threads[index]
|
|
&& (
|
|
offset >= CMDPACKET_HEAD_LEN
|
|
|| (numbytes = recv(accept_fd, buff+offset, CMDPACKET_HEAD_LEN-offset, MSG_WAITALL)) > 0
|
|
)
|
|
) {
|
|
touch_timer(p);
|
|
offset += numbytes;
|
|
#ifdef DEBUG
|
|
printf("[handle] Get %zd bytes, total: %zd.\n", numbytes, offset);
|
|
#endif
|
|
if(offset < CMDPACKET_HEAD_LEN) break;
|
|
if(offset < CMDPACKET_HEAD_LEN+cp->datalen) {
|
|
numbytes = recv(accept_fd, buff+offset, CMDPACKET_HEAD_LEN+cp->datalen-offset, MSG_WAITALL);
|
|
if(numbytes <= 0) break;
|
|
else {
|
|
offset += numbytes;
|
|
#ifdef DEBUG
|
|
printf("[handle] Get %zd bytes, total: %zd.\n", numbytes, offset);
|
|
#endif
|
|
}
|
|
}
|
|
numbytes = CMDPACKET_HEAD_LEN+cp->datalen; // 暂存 packet len
|
|
if(offset < numbytes) break;
|
|
#ifdef DEBUG
|
|
printf("[handle] Decrypt %d bytes data...\n", (int)cp->datalen);
|
|
#endif
|
|
if(cp->cmd < 5) {
|
|
if(cmdpacket_decrypt(cp, index, cfg->pwd)) {
|
|
cp->data[cp->datalen] = 0;
|
|
timer_pointer_of(p)->dat = (char*)cp->data;
|
|
timer_pointer_of(p)->numbytes = cp->datalen;
|
|
printf("[normal] Get %zd bytes packet with cmd: %d, data: %s\n", offset, cp->cmd, cp->data);
|
|
switch(cp->cmd) {
|
|
case CMDGET:
|
|
//timer_pointer_of(p)->status = 1;
|
|
if(!s1_get(timer_pointer_of(p))) goto CONV_END;
|
|
break;
|
|
case CMDCAT:
|
|
if(!send_all(timer_pointer_of(p))) goto CONV_END;
|
|
break;
|
|
case CMDMD5:
|
|
//timer_pointer_of(p)->status = 5;
|
|
if(!s5_md5(timer_pointer_of(p))) goto CONV_END;
|
|
break;
|
|
case CMDACK: break;
|
|
case CMDEND:
|
|
default: goto CONV_END; break;
|
|
}
|
|
} else {
|
|
puts("Decrypt normal data failed");
|
|
break;
|
|
}
|
|
} else if(cp->cmd < 8) {
|
|
if(cmdpacket_decrypt(cp, index, cfg->sps)) {
|
|
cp->data[cp->datalen] = 0;
|
|
timer_pointer_of(p)->dat = (char*)cp->data;
|
|
timer_pointer_of(p)->numbytes = cp->datalen;
|
|
printf("[super] Get %zd bytes packet with data: %s\n", offset, cp->data);
|
|
switch(cp->cmd) {
|
|
case CMDSET:
|
|
//timer_pointer_of(p)->status = 2;
|
|
if(!s2_set(timer_pointer_of(p))) goto CONV_END;
|
|
break;
|
|
case CMDDEL:
|
|
//timer_pointer_of(p)->status = 4;
|
|
if(!s4_del(timer_pointer_of(p))) goto CONV_END;
|
|
break;
|
|
case CMDDAT:
|
|
if(timer_pointer_of(p)->lock_type == DICT_LOCK_EX) {
|
|
if(!s3_set_data(timer_pointer_of(p))) goto CONV_END;
|
|
}
|
|
break;
|
|
default: goto CONV_END; break;
|
|
}
|
|
} else {
|
|
puts("Decrypt super data failed");
|
|
break;
|
|
}
|
|
} else {
|
|
puts("Invalid command");
|
|
break;
|
|
}
|
|
if(offset > numbytes) {
|
|
offset -= numbytes;
|
|
memmove(buff, buff+numbytes, offset);
|
|
numbytes = 0;
|
|
} else offset = 0;
|
|
#ifdef DEBUG
|
|
printf("Offset after analyzing packet: %zd\n", offset);
|
|
#endif
|
|
}
|
|
CONV_END: puts("Conversation end");
|
|
} else puts("Error allocating buffer");
|
|
pthread_cleanup_pop(1);
|
|
puts("Thread exited normally");
|
|
} else puts("Error accepting client");
|
|
}
|
|
|
|
static pid_t pid;
|
|
static void accept_client() {
|
|
pid = fork();
|
|
while (pid > 0) { //主进程监控子进程状态,如果子进程异常终止则重启之
|
|
wait(NULL);
|
|
puts("Server subprocess exited. Restart...");
|
|
pid = fork();
|
|
}
|
|
signal(SIGQUIT, handle_quit);
|
|
signal(SIGPIPE, handle_pipe);
|
|
pthread_attr_init(&attr);
|
|
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
|
|
init_crypto();
|
|
init_dict_pool(get_dict_fp_rd());
|
|
if(pid < 0) puts("Error when forking a subprocess");
|
|
else while(1) {
|
|
puts("Ready for accept, waitting...");
|
|
int p = 0;
|
|
while(p < THREADCNT && accept_threads[p] && !pthread_kill(accept_threads[p], 0)) p++;
|
|
if(p < THREADCNT) {
|
|
printf("Next thread is No.%d\n", p);
|
|
THREADTIMER *timer = malloc(sizeof(THREADTIMER));
|
|
if(timer) {
|
|
timer->accept_fd = accept(fd, (struct sockaddr *)&client_addr, &struct_len);
|
|
if(timer->accept_fd <= 0) {
|
|
free(timer);
|
|
puts("Accept client error");
|
|
} else {
|
|
#ifdef LISTEN_ON_IPV6
|
|
uint16_t port = ntohs(client_addr.sin6_port);
|
|
struct in6_addr in = client_addr.sin6_addr;
|
|
char str[INET6_ADDRSTRLEN]; // 46
|
|
inet_ntop(AF_INET6, &in, str, sizeof(str));
|
|
#else
|
|
uint16_t port = ntohs(client_addr.sin_port);
|
|
struct in_addr in = client_addr.sin_addr;
|
|
char str[INET_ADDRSTRLEN]; // 16
|
|
inet_ntop(AF_INET, &in, str, sizeof(str));
|
|
#endif
|
|
printf("Accept client %s:%u\n", str, port);
|
|
timer->index = p;
|
|
timer->touch = time(NULL);
|
|
timer->ptr = NULL;
|
|
reset_seq(p);
|
|
if (pthread_create(accept_threads + p, &attr, (void *)&handle_accept, timer)) puts("Error creating thread");
|
|
else puts("Creating thread succeeded");
|
|
}
|
|
} else puts("Allocate timer error");
|
|
} else {
|
|
puts("Max thread cnt exceeded");
|
|
sleep(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int close_and_send(THREADTIMER* timer, char *data, size_t numbytes) {
|
|
close_dict(timer->lock_type, timer->index, &mu);
|
|
return send_data(timer->accept_fd, timer->index, data, numbytes);
|
|
}
|
|
|
|
#define argequ(i, arg) (*(uint16_t*)argv[i] == *(uint16_t*)(arg))
|
|
int main(int argc, char *argv[]) {
|
|
if(argc != 5 && argc != 6) showUsage(argv[0]);
|
|
else {
|
|
int port = 0;
|
|
int as_daemon = argequ(1, "-d");
|
|
sscanf(argv[as_daemon?2:1], "%d", &port);
|
|
if(port > 0 && port < 65536) {
|
|
int times = 0;
|
|
sscanf(argv[as_daemon?3:2], "%d", ×);
|
|
if(times > 0) {
|
|
if(!as_daemon || (as_daemon && (daemon(1, 1) >= 0))) {
|
|
FILE *fp = NULL;
|
|
fp = fopen(argv[as_daemon?4:3], "rb+");
|
|
if(!fp) fp = fopen(argv[as_daemon?4:3], "wb+");
|
|
if(fp) {
|
|
fclose(fp);
|
|
if(init_dict(argv[as_daemon?4:3], &mu)) {
|
|
fp = NULL;
|
|
if(argv[as_daemon?5:4][0] == '-') { // use env
|
|
fp = (FILE*)1;
|
|
cfg = (CONFIG*)malloc(sizeof(CONFIG));
|
|
puts("Read config from env");
|
|
char* pwd = getenv("SDS_PWD");
|
|
if(pwd) {
|
|
char* sps = getenv("SDS_SPS");
|
|
if(sps) {
|
|
strncpy(cfg->pwd, pwd, 64);
|
|
strncpy(cfg->sps, sps, 64);
|
|
cfg->pwd[63] = 0;
|
|
cfg->sps[63] = 0;
|
|
fp = (FILE*)-1;
|
|
} else puts("Env SDS_SPS is null");
|
|
} else puts("Env SDS_PWD is null");
|
|
}
|
|
if(!fp) fp = fopen(argv[as_daemon?5:4], "rb");
|
|
if(fp && ((int)fp-1)) {
|
|
if(~((int)fp)) {
|
|
SIMPLE_PB* spb = get_pb(fp);
|
|
cfg = (CONFIG*)spb->target;
|
|
fclose(fp);
|
|
}
|
|
items_len = align_struct(sizeof(DICT), 2, d.key, d.data);
|
|
if(items_len) {
|
|
if(bind_server(port, times)) if(listen_socket(times)) accept_client();
|
|
} else puts("Align struct error");
|
|
} else printf("Error opening config file: %s\n", argv[as_daemon?5:4]);
|
|
}
|
|
} else printf("Error opening dict file: %s\n", argv[as_daemon?4:3]);
|
|
} else puts("Start daemon error");
|
|
} else printf("Error times: %d\n", times);
|
|
} else printf("Error port: %d\n", port);
|
|
}
|
|
close(fd);
|
|
exit(EXIT_FAILURE);
|
|
}
|