mirror of
https://github.com/fumiama/simple-dict.git
synced 2026-06-22 20:21:04 +08:00
引入全新dict格式
This commit is contained in:
@@ -1,13 +1,19 @@
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cmake_minimum_required(VERSION 3.0.0)
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project(simple-dict-server)
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project(simple-dict-server)
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add_executable(simple-dict-server server.c) # 生成可执行文件
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add_executable(simple-dict-client client.c) # 生成可执行文件
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target_link_libraries( # 目标库
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simple-dict-server
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# 目标库需要链接的库
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add_definitions(-DLISTEN_ON_IPV6)
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pthread)
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target_link_libraries( # 目标库
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simple-dict-client
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# 目标库需要链接的库
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include_directories("/usr/local/include")
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pthread)
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link_directories("/usr/local/lib")
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add_library(dict STATIC dict.c)
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add_executable(simple-dict-server server.c)
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add_executable(simple-dict-client client.c)
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add_executable(migrate migrate.c)
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add_executable(cfgwriter cfgwriter.c)
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target_link_libraries(simple-dict-server dict spb pthread)
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target_link_libraries(simple-dict-client pthread)
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target_link_libraries(migrate spb)
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target_link_libraries(cfgwriter spb)
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55
README.md
55
README.md
@@ -26,66 +26,15 @@ make
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Start server on localhost using the commands below.
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Start server on localhost using the commands below.
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```bash
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```bash
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chmod +x simple-dict-server simple-dict-client
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chmod +x simple-dict-server simple-dict-client
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./simple-dict-server -d 7777 1 ./dict.bin # use -d to start as daemon
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./simple-dict-server -d 7777 1 ./dict.sp ./cfg.sp # use -d to start as daemon
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```
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```
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Open another shell to connect to it.
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Open another shell to connect to it.
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```bash
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```bash
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./simple-dict-client 127.0.0.1 7777
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./simple-dict-client 127.0.0.1 7777
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```
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```
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Now you have connected to the server. Type `fumiama` and press enter in `10` seconds to get the read/write access. You can modify the password in source code as you like. Please note that the server will only wait `10` seconds for a response after the last communication. The box below shows how to control the server to accompilsh basic add/del/find/edit operations.
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Now you have connected to the server. Type `fumiama` and press enter in `10` seconds to get the read/write access. You can modify the password in source code as you like. Please note that the server will only wait `10` seconds for a response after the last communication. The box below shows how to control the server to accompilsh basic add/del/find/edit operations.
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```c
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break!
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Get sockfd
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Connected to server
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Welcome to simple dict server.
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Thread create succeeded
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Enter command:fumiama
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Enter command:set #set a key-value pair
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Recv 3 bytes: set
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Enter command:test #key
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Recv 4 bytes: data
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Enter command:测试 #value
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Recv 4 bytes: succ
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Enter command:get #get a value using key
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Recv 3 bytes: get
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Enter command:test
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Recv 6 bytes: 测试
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Enter command:del #delete a key
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Recv 3 bytes: del
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Enter command:test
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Recv 4 bytes: succ
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Enter command:get
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Recv 3 bytes: get
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Enter command:test
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Recv 4 bytes: null
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Enter command:set
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Recv 3 bytes: set
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Enter command:test
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Recv 4 bytes: data
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Enter command:测试
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Recv 4 bytes: succ
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Enter command:lst #list all keys that match the pattern
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Recv 3 bytes: lst
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Enter command:t #pattern
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Recv 5 bytes: test
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Enter command:quit
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The raw data starts with an integer showing its size, then a char `$` follows, finally following all binary data in `./dict.sp`.
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Enter command:^C
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```
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You can also use `cat` command to get the raw data directly.
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```c
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break!
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Get sockfd
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Connected to server
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Welcome to simple dict server.
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Thread create succeeded
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Enter command:fumiama
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Enter command:cat
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Recv 131 bytes: 128test测试
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Enter command:quit
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Enter command:^C
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```
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The raw data starts with an integer showing its size, following all binary data in `./dict.bin`.
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# Android Client for simple-dict-server
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# Android Client for simple-dict-server
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There is also an [Android Client](https://github.com/fumiama/simple-dict-android) for simple-dict-server. Just install the apk file downloaded from release page and click `config` icon to set your server address using the format
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There is also an [Android Client](https://github.com/fumiama/simple-dict-android) for simple-dict-server. Just install the apk file downloaded from release page and click `config` icon to set your server address using the format
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29
cfgwriter.c
Normal file
29
cfgwriter.c
Normal file
@@ -0,0 +1,29 @@
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#include <stdio.h>
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#include <string.h>
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#include <simple_protobuf.h>
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#include "config.h"
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CONFIG cfg;
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int main() {
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printf("Enter a password: ");
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scanf("%s", cfg.pwd);
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printf("Enter a set password: ");
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scanf("%s", cfg.sps);
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uint32_t* types_len = align_struct(sizeof(CONFIG), 2, cfg.pwd, cfg.sps);
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FILE* fp = fopen("cfg.sp", "wb");
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if(fp) {
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set_pb(fp, types_len, sizeof(CONFIG), &cfg);
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fclose(fp);
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puts("Config is saved to cfg.sp.");
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fp = NULL;
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puts("Check config...");
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fp = fopen("cfg.sp", "rb");
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if(fp) {
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SIMPLE_PB* spb = get_pb(fp);
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memset(&cfg, 0, sizeof(CONFIG));
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memcpy(&cfg, spb->target, sizeof(CONFIG));
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printf("set pwd: %s, sps: %s\n", cfg.pwd, cfg.sps);
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} else perror("[SPB]");
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} else perror("[SPB]");
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}
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10
config.h
Normal file
10
config.h
Normal file
@@ -0,0 +1,10 @@
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#ifndef _CONFIG_H_
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#define _CONFIG_H_
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struct CONFIG {
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char pwd[64]; //password
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char sps[64]; //set password
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};
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typedef struct CONFIG CONFIG;
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#endif
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50
dict.c
Normal file
50
dict.c
Normal file
@@ -0,0 +1,50 @@
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#include <stdio.h>
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#include <sys/stat.h>
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#include "dict.h"
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static FILE *fp = NULL;
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static int lock = 0;
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static char* filepath;
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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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int init_dict(char* file_path) {
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fp = fopen(file_path, "rb+");
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if(fp) {
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lock = LOCK_UN;
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filepath = file_path;
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return 1;
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} else {
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puts("Open dict error");
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return 0;
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}
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}
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FILE *open_dict(int lock_type) {
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if(lock & LOCK_EX) return NULL;
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else {
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if(!fp) fp = fopen(filepath, "rb+");
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if(fp) {
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lock = lock_type;
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rewind(fp);
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return fp;
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} else {
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puts("Open dict error");
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return NULL;
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}
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}
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}
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void close_dict() {
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puts("Close dict");
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lock = LOCK_UN;
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}
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off_t get_dict_size() {
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struct stat statbuf;
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if(stat(filepath, &statbuf)==0) return statbuf.st_size;
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else return -1;
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}
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24
dict.h
Normal file
24
dict.h
Normal file
@@ -0,0 +1,24 @@
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#ifndef _DICT_H_
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#define _DICT_H_
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#include <stdint.h>
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#define ITEMSZ 64
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struct DICT {
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char key[ITEMSZ];
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char data[ITEMSZ];
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};
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typedef struct DICT DICT;
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#define DICTSZ sizeof(DICT)
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#define LOCK_UN 0x00
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#define LOCK_SH 0x01
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#define LOCK_EX 0x02
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uint32_t last_nonnull(char* p, uint32_t max_size);
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int init_dict(char* file_path);
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FILE *open_dict(int lock_type);
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void close_dict();
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off_t get_dict_size();
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#endif
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30
migrate.c
Normal file
30
migrate.c
Normal file
@@ -0,0 +1,30 @@
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#include <stdio.h>
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#include <string.h>
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#include <simple_protobuf.h>
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#include "dict.h"
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#include "old_dict.h"
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DICTBLK dict;
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DICT d;
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int main(int argc, char** argv) {
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if(argc == 3) {
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uint32_t* items_len = align_struct(sizeof(DICT), 2, d.key, d.data);
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FILE* old = fopen(argv[1], "rb");
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FILE* new = fopen(argv[2], "wb");
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if(old && new) {
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while(fread(&dict, DICTBLKSZ, 1, old) > 0) {
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uint8_t ks = dict.keysize;
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dict.key[ks] = 0;
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uint8_t ds = dict.datasize;
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dict.data[ds] = 0;
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memset(&d, 0, sizeof(DICT));
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memcpy(d.key, dict.key, ks);
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memcpy(d.data, dict.data, ds);
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set_pb(new, items_len, sizeof(DICT), &d);
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}
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fclose(old);
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fclose(new);
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} else puts("Open file error.");
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} else puts("Usage: <old_dict> <new_dict>");
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}
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15
old_dict.h
Normal file
15
old_dict.h
Normal file
@@ -0,0 +1,15 @@
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#ifndef _OLD_DICT_H_
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#define _OLD_DICT_H_
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#include <stdint.h>
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#define DATASIZE 64
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struct DICTBLK{
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char key[(DATASIZE-1)];
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uint8_t keysize;
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char data[(DATASIZE-1)];
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uint8_t datasize;
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};
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typedef struct DICTBLK DICTBLK;
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#define DICTBLKSZ sizeof(DICTBLK)
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#endif
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274
server.c
274
server.c
@@ -1,8 +1,7 @@
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#include <sys/types.h>
|
#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
|
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#include <sys/signal.h>
|
#include <sys/signal.h>
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#include <sys/file.h>
|
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#include <sys/wait.h>
|
#include <sys/wait.h>
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#include <netinet/in.h>
|
#include <netinet/in.h>
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#include <arpa/inet.h>
|
#include <arpa/inet.h>
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@@ -13,23 +12,26 @@
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#include <unistd.h>
|
#include <unistd.h>
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#include <pthread.h>
|
#include <pthread.h>
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#include <time.h>
|
#include <time.h>
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|
#include <simple_protobuf.h>
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|
#include "dict.h"
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|
#include "config.h"
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|
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#if !__APPLE__
|
#if !__APPLE__
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#include <sys/sendfile.h>
|
#include <sys/sendfile.h>
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#endif
|
#endif
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|
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#define PASSWORD "fumiama"
|
static int fd;
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#define SETPASS "minamoto"
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|
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int fd;
|
#ifdef LISTEN_ON_IPV6
|
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//ssize_t numbytes;
|
static socklen_t struct_len = sizeof(struct sockaddr_in6);
|
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socklen_t struct_len = sizeof(struct sockaddr_in);
|
static struct sockaddr_in6 server_addr;
|
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struct sockaddr_in server_addr;
|
#else
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//char buff[BUFSIZ];
|
static socklen_t struct_len = sizeof(struct sockaddr_in);
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char *file_path;
|
static struct sockaddr_in server_addr;
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|
#endif
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|
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#define THREADCNT 16
|
#define THREADCNT 16
|
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pthread_t accept_threads[THREADCNT];
|
static pthread_t accept_threads[THREADCNT];
|
||||||
|
|
||||||
#define MAXWAITSEC 10
|
#define MAXWAITSEC 10
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struct THREADTIMER {
|
struct THREADTIMER {
|
||||||
@@ -44,33 +46,25 @@ struct THREADTIMER {
|
|||||||
};
|
};
|
||||||
typedef struct THREADTIMER THREADTIMER;
|
typedef struct THREADTIMER THREADTIMER;
|
||||||
|
|
||||||
#define DATASIZE 64
|
static DICT d;
|
||||||
struct DICTBLK{
|
static uint32_t* items_len;
|
||||||
char key[(DATASIZE-1)];
|
|
||||||
u_char keysize;
|
|
||||||
char data[(DATASIZE-1)];
|
|
||||||
u_char datasize;
|
|
||||||
};
|
|
||||||
typedef struct DICTBLK DICTBLK;
|
|
||||||
#define DICTBLKSZ sizeof(DICTBLK)
|
|
||||||
DICTBLK dict;
|
|
||||||
|
|
||||||
#define showUsage(program) printf("Usage: %s [-d] listen_port try_times dict_file\n\t-d: As daemon\n", program)
|
static CONFIG* cfg;
|
||||||
|
static char *setpass, *delpass;
|
||||||
|
|
||||||
|
#define showUsage(program) printf("Usage: %s [-d] listen_port try_times dict_file config_file\n\t-d: As daemon\n", program)
|
||||||
|
|
||||||
void accept_client();
|
void accept_client();
|
||||||
void accept_timer(void *p);
|
void accept_timer(void *p);
|
||||||
int bind_server(uint16_t port, u_int try_times);
|
int bind_server(uint16_t port, u_int try_times);
|
||||||
int check_buffer(THREADTIMER *timer);
|
int check_buffer(THREADTIMER *timer);
|
||||||
void close_dict(FILE *fp);
|
|
||||||
int close_and_send(THREADTIMER *timer, char *data, size_t numbytes);
|
int close_and_send(THREADTIMER *timer, char *data, size_t numbytes);
|
||||||
off_t file_size_of(const char* fname);
|
|
||||||
int free_after_send(int accept_fd, char *data, size_t length);
|
int free_after_send(int accept_fd, char *data, size_t length);
|
||||||
void handle_accept(void *accept_fd_p);
|
void handle_accept(void *accept_fd_p);
|
||||||
void handle_pipe(int signo);
|
void handle_pipe(int signo);
|
||||||
void handle_quit(int signo);
|
void handle_quit(int signo);
|
||||||
void kill_thread(THREADTIMER* timer);
|
void kill_thread(THREADTIMER* timer);
|
||||||
int listen_socket(u_int try_times);
|
int listen_socket(u_int try_times);
|
||||||
FILE *open_dict(int lock_type);
|
|
||||||
int send_all(THREADTIMER *timer);
|
int send_all(THREADTIMER *timer);
|
||||||
int send_data(int accept_fd, char *data, size_t length);
|
int send_data(int accept_fd, char *data, size_t length);
|
||||||
int sm1_pwd(THREADTIMER *timer);
|
int sm1_pwd(THREADTIMER *timer);
|
||||||
@@ -79,17 +73,22 @@ int s1_get(THREADTIMER *timer);
|
|||||||
int s2_set(THREADTIMER *timer);
|
int s2_set(THREADTIMER *timer);
|
||||||
int s3_set_data(THREADTIMER *timer);
|
int s3_set_data(THREADTIMER *timer);
|
||||||
int s4_del(THREADTIMER *timer);
|
int s4_del(THREADTIMER *timer);
|
||||||
int s5_list(THREADTIMER *timer);
|
|
||||||
|
|
||||||
int bind_server(uint16_t port, u_int try_times) {
|
int bind_server(uint16_t port, u_int try_times) {
|
||||||
int fail_count = 0;
|
int fail_count = 0;
|
||||||
int result = -1;
|
int result = -1;
|
||||||
server_addr.sin_family = AF_INET;
|
#ifdef LISTEN_ON_IPV6
|
||||||
server_addr.sin_port = htons(port);
|
server_addr.sin6_family = AF_INET6;
|
||||||
server_addr.sin_addr.s_addr = INADDR_ANY;
|
server_addr.sin6_port = htons(port);
|
||||||
bzero(&(server_addr.sin_zero), 8);
|
bzero(&(server_addr.sin6_addr), sizeof(server_addr.sin6_addr));
|
||||||
|
fd = socket(PF_INET6, SOCK_STREAM, 0);
|
||||||
fd = socket(AF_INET, SOCK_STREAM, 0);
|
#else
|
||||||
|
server_addr.sin_family = AF_INET;
|
||||||
|
server_addr.sin_port = htons(port);
|
||||||
|
server_addr.sin_addr.s_addr = INADDR_ANY;
|
||||||
|
bzero(&(server_addr.sin_zero), 8);
|
||||||
|
fd = socket(AF_INET, SOCK_STREAM, 0);
|
||||||
|
#endif
|
||||||
while(!~(result = bind(fd, (struct sockaddr *)&server_addr, struct_len)) && fail_count++ < try_times) sleep(1);
|
while(!~(result = bind(fd, (struct sockaddr *)&server_addr, struct_len)) && fail_count++ < try_times) sleep(1);
|
||||||
if(!~result && fail_count >= try_times) {
|
if(!~result && fail_count >= try_times) {
|
||||||
puts("Bind server failure!");
|
puts("Bind server failure!");
|
||||||
@@ -136,8 +135,8 @@ int send_all(THREADTIMER *timer) {
|
|||||||
if(fp) {
|
if(fp) {
|
||||||
timer->fp = fp;
|
timer->fp = fp;
|
||||||
timer->is_open = 1;
|
timer->is_open = 1;
|
||||||
off_t len = 0, file_size = file_size_of(file_path);
|
off_t len = 0, file_size = get_dict_size();
|
||||||
sprintf(timer->data, "%zd", file_size);
|
sprintf(timer->data, "%zd$", file_size);
|
||||||
printf("Get file size: %s bytes.\n", timer->data);
|
printf("Get file size: %s bytes.\n", timer->data);
|
||||||
uint32_t head_len = strlen(timer->data);
|
uint32_t head_len = strlen(timer->data);
|
||||||
#if __APPLE__
|
#if __APPLE__
|
||||||
@@ -155,48 +154,50 @@ int send_all(THREADTIMER *timer) {
|
|||||||
re = sendfile(timer->accept_fd, fileno(fp), &len, file_size) >= 0;
|
re = sendfile(timer->accept_fd, fileno(fp), &len, file_size) >= 0;
|
||||||
#endif
|
#endif
|
||||||
printf("Send %lld bytes.\n", len);
|
printf("Send %lld bytes.\n", len);
|
||||||
close_dict(fp);
|
close_dict();
|
||||||
timer->is_open = 0;
|
timer->is_open = 0;
|
||||||
}
|
}
|
||||||
return re;
|
return re;
|
||||||
}
|
}
|
||||||
|
|
||||||
int sm1_pwd(THREADTIMER *timer) {
|
int sm1_pwd(THREADTIMER *timer) {
|
||||||
if(!strcmp(PASSWORD, timer->data)) timer->status = 0;
|
if(!strcmp(cfg->pwd, timer->data)) timer->status = 0;
|
||||||
return !timer->status;
|
return !timer->status;
|
||||||
}
|
}
|
||||||
|
|
||||||
int s0_init(THREADTIMER *timer) {
|
int s0_init(THREADTIMER *timer) {
|
||||||
if(!strcmp("get", timer->data)) timer->status = 1;
|
if(!strcmp("get", timer->data)) timer->status = 1;
|
||||||
else if(!strcmp("set" SETPASS, timer->data)) timer->status = 2;
|
else if(!strcmp(setpass, timer->data)) timer->status = 2;
|
||||||
else if(!strcmp("del" SETPASS, timer->data)) timer->status = 4;
|
else if(!strcmp(delpass, timer->data)) timer->status = 4;
|
||||||
else if(!strcmp("lst", timer->data)) timer->status = 5;
|
|
||||||
else if(!strcmp("cat", timer->data)) return send_all(timer);
|
else if(!strcmp("cat", timer->data)) return send_all(timer);
|
||||||
else if(!strcmp("quit", timer->data)) return 0;
|
else if(!strcmp("quit", timer->data)) return 0;
|
||||||
return send_data(timer->accept_fd, timer->data, timer->numbytes);
|
return send_data(timer->accept_fd, timer->data, timer->numbytes);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
#define has_next(fp, ch) ((ch=getc(fp)),(feof(fp)?0:(ungetc(ch,fp),1)))
|
||||||
|
|
||||||
int s1_get(THREADTIMER *timer) {
|
int s1_get(THREADTIMER *timer) {
|
||||||
FILE *fp = open_dict(LOCK_SH);
|
FILE *fp = open_dict(LOCK_SH);
|
||||||
DICTBLK dict;
|
|
||||||
timer->status = 0;
|
timer->status = 0;
|
||||||
if(fp) {
|
if(fp) {
|
||||||
timer->fp = fp;
|
timer->fp = fp;
|
||||||
timer->is_open = 1;
|
timer->is_open = 1;
|
||||||
while(fread(&dict, DICTBLKSZ, 1, fp) > 0) {
|
int ch;
|
||||||
u_char ks = dict.keysize;
|
while(has_next(fp, ch)) {
|
||||||
dict.key[ks] = 0;
|
SIMPLE_PB* spb = get_pb(fp);
|
||||||
//printf("[%s] Look key: (%d)%s\n", timer->data, ks, dict.key);
|
DICT* d = (DICT*)spb->target;
|
||||||
if(!strcmp(timer->data, dict.key))
|
if(!strcmp(timer->data, d->key)) {
|
||||||
return close_and_send(timer, dict.data, dict.datasize);
|
int r = close_and_send(timer, d->data, last_nonnull(d->data, ITEMSZ));
|
||||||
|
free(spb);
|
||||||
|
return r;
|
||||||
|
} else free(spb);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return close_and_send(timer, "null", 4);
|
return close_and_send(timer, "null", 4);
|
||||||
}
|
}
|
||||||
|
|
||||||
#define copyKey() {\
|
#define copy_key() {\
|
||||||
dict.keysize = (timer->numbytes >= (DATASIZE-1))?(DATASIZE-1):timer->numbytes;\
|
strncpy(d.key, timer->data, ITEMSZ-1);\
|
||||||
strncpy(dict.key, timer->data, (DATASIZE-1));\
|
|
||||||
}
|
}
|
||||||
|
|
||||||
int s2_set(THREADTIMER *timer) {
|
int s2_set(THREADTIMER *timer) {
|
||||||
@@ -205,17 +206,8 @@ int s2_set(THREADTIMER *timer) {
|
|||||||
timer->status = 3;
|
timer->status = 3;
|
||||||
timer->fp = fp;
|
timer->fp = fp;
|
||||||
timer->is_open = 1;
|
timer->is_open = 1;
|
||||||
while(fread(&dict, DICTBLKSZ, 1, fp) > 0) {
|
memset(&d, 0, sizeof(DICT));
|
||||||
u_char ks = dict.keysize;
|
copy_key();
|
||||||
dict.key[ks] = 0;
|
|
||||||
//printf("[%zd] Key size: %d\n", timer->numbytes, ks);
|
|
||||||
if(!dict.keysize || !strcmp(timer->data, dict.key)) {
|
|
||||||
copyKey();
|
|
||||||
fseek(fp, -DICTBLKSZ, SEEK_CUR);
|
|
||||||
return send_data(timer->accept_fd, "data", 4);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
copyKey();
|
|
||||||
fseek(fp, 0, SEEK_END);
|
fseek(fp, 0, SEEK_END);
|
||||||
return send_data(timer->accept_fd, "data", 4);
|
return send_data(timer->accept_fd, "data", 4);
|
||||||
} else {
|
} else {
|
||||||
@@ -226,75 +218,69 @@ int s2_set(THREADTIMER *timer) {
|
|||||||
|
|
||||||
int s3_set_data(THREADTIMER *timer) {
|
int s3_set_data(THREADTIMER *timer) {
|
||||||
timer->status = 0;
|
timer->status = 0;
|
||||||
dict.datasize = (timer->numbytes >= (DATASIZE-1))?(DATASIZE-1):timer->numbytes;
|
uint32_t datasize = (timer->numbytes > (ITEMSZ-1))?(ITEMSZ-1):timer->numbytes;
|
||||||
printf("Set data size: %d\n", dict.datasize);
|
printf("Set data size: %u\n", datasize);
|
||||||
memcpy(dict.data, timer->data, dict.datasize);
|
memcpy(d.data, timer->data, datasize);
|
||||||
puts("Data copy to dict succ");
|
puts("Data copy to dict succ");
|
||||||
if(fwrite(&dict, DICTBLKSZ, 1, timer->fp) != 1) {
|
if(!set_pb(timer->fp, items_len, sizeof(DICT), &d)) {
|
||||||
printf("Error set data: dict[%s]=%s\n", dict.key, timer->data);
|
printf("Error set data: dict[%s]=%s\n", d.key, timer->data);
|
||||||
return close_and_send(timer, "erro", 4);
|
return close_and_send(timer, "erro", 4);
|
||||||
} else {
|
} else {
|
||||||
printf("Set data: dict[%s]=%s\n", dict.key, timer->data);
|
printf("Set data: dict[%s]=%s\n", d.key, timer->data);
|
||||||
return close_and_send(timer, "succ", 4);
|
return close_and_send(timer, "succ", 4);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
int s4_del(THREADTIMER *timer) {
|
int s4_del(THREADTIMER *timer) {
|
||||||
FILE *fp = open_dict(LOCK_EX);
|
FILE *fp = open_dict(LOCK_EX);
|
||||||
DICTBLK dict;
|
|
||||||
timer->status = 0;
|
timer->status = 0;
|
||||||
if(fp) {
|
if(fp) {
|
||||||
timer->fp = fp;
|
timer->fp = fp;
|
||||||
timer->is_open = 1;
|
timer->is_open = 1;
|
||||||
while(fread(&dict, DICTBLKSZ, 1, fp) > 0) {
|
int ch;
|
||||||
dict.key[dict.keysize] = 0;
|
while(has_next(fp, ch)) {
|
||||||
if(!strcmp(timer->data, dict.key)) {
|
SIMPLE_PB* spb = get_pb(fp);
|
||||||
fseek(fp, -DICTBLKSZ+(DATASIZE-1), SEEK_CUR);
|
DICT* d = (DICT*)spb->target;
|
||||||
fputc(0, fp);
|
if(!strcmp(timer->data, d->key)) {
|
||||||
return close_and_send(timer, "succ", 4);
|
uint32_t next = ftell(fp);
|
||||||
}
|
uint32_t this = next - spb->real_len;
|
||||||
|
fseek(fp, 0, SEEK_END);
|
||||||
|
uint32_t end = ftell(fp);
|
||||||
|
if(next == end) {
|
||||||
|
if(!ftruncate(fileno(fp), end - spb->real_len)) {
|
||||||
|
free(spb);
|
||||||
|
return close_and_send(timer, "succ", 4);
|
||||||
|
} else {
|
||||||
|
free(spb);
|
||||||
|
return close_and_send(timer, "erro", 4);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
uint32_t cap = end - next;
|
||||||
|
printf("this: %u, next: %u, end: %u, cap: %u\n", this, next, end, cap);
|
||||||
|
char* data = malloc(cap);
|
||||||
|
if(data) {
|
||||||
|
fseek(fp, next, SEEK_SET);
|
||||||
|
if(fread(data, cap, 1, fp) == 1) {
|
||||||
|
if(!ftruncate(fileno(fp), end - spb->real_len)) {
|
||||||
|
fseek(fp, this, SEEK_SET);
|
||||||
|
if(fwrite(data, cap, 1, fp) == 1) {
|
||||||
|
free(data);
|
||||||
|
free(spb);
|
||||||
|
return close_and_send(timer, "succ", 4);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
free(data);
|
||||||
|
}
|
||||||
|
free(spb);
|
||||||
|
return close_and_send(timer, "erro", 4);
|
||||||
|
}
|
||||||
|
} else free(spb);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return close_and_send(timer, "null", 4);
|
return close_and_send(timer, "null", 4);
|
||||||
}
|
}
|
||||||
|
|
||||||
off_t file_size_of(const char* fname) {
|
|
||||||
struct stat statbuf;
|
|
||||||
if(stat(fname, &statbuf)==0) return statbuf.st_size;
|
|
||||||
else return -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
int s5_list(THREADTIMER *timer) {
|
|
||||||
timer->status = 0;
|
|
||||||
off_t size = file_size_of(file_path) / DICTBLKSZ;
|
|
||||||
char *keys = calloc(size, DATASIZE);
|
|
||||||
DICTBLK dict;
|
|
||||||
FILE *fp = open_dict(LOCK_SH);
|
|
||||||
if(keys && fp) {
|
|
||||||
timer->fp = fp;
|
|
||||||
timer->is_open = 1;
|
|
||||||
keys[0] = 0;
|
|
||||||
while(fread(&dict, DICTBLKSZ, 1, fp) > 0) {
|
|
||||||
u_char ks = dict.keysize;
|
|
||||||
dict.key[ks] = 0;
|
|
||||||
//printf("[%s] Look key: (%d)%s\n", timer->data, ks, dict.key);
|
|
||||||
if(strstr(dict.key, timer->data)) {
|
|
||||||
strcat(keys, dict.key);
|
|
||||||
strcat(keys, "\n");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
int len = strlen(keys);
|
|
||||||
close_dict(fp);
|
|
||||||
timer->is_open = 0;
|
|
||||||
if(len > 0) return free_after_send(timer->accept_fd, keys, len);
|
|
||||||
else return send_data(timer->accept_fd, "null", 4);
|
|
||||||
} else {
|
|
||||||
if(fp) close_dict(fp);
|
|
||||||
timer->is_open = 0;
|
|
||||||
return send_data(timer->accept_fd, "erro", 4);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
int check_buffer(THREADTIMER *timer) {
|
int check_buffer(THREADTIMER *timer) {
|
||||||
printf("Status: %d\n", timer->status);
|
printf("Status: %d\n", timer->status);
|
||||||
switch(timer->status) {
|
switch(timer->status) {
|
||||||
@@ -304,7 +290,6 @@ int check_buffer(THREADTIMER *timer) {
|
|||||||
case 2: return s2_set(timer); break;
|
case 2: return s2_set(timer); break;
|
||||||
case 3: return s3_set_data(timer); break;
|
case 3: return s3_set_data(timer); break;
|
||||||
case 4: return s4_del(timer); break;
|
case 4: return s4_del(timer); break;
|
||||||
case 5: return s5_list(timer); break;
|
|
||||||
default: return -1; break;
|
default: return -1; break;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@@ -350,7 +335,7 @@ void kill_thread(THREADTIMER* timer) {
|
|||||||
puts("Free data.");
|
puts("Free data.");
|
||||||
}
|
}
|
||||||
if(timer->is_open) {
|
if(timer->is_open) {
|
||||||
close_dict(timer->fp);
|
close_dict();
|
||||||
timer->is_open = 0;
|
timer->is_open = 0;
|
||||||
puts("Close file.");
|
puts("Close file.");
|
||||||
}
|
}
|
||||||
@@ -361,6 +346,21 @@ void handle_pipe(int signo) {
|
|||||||
printf("Pipe error: %d\n", signo);
|
printf("Pipe error: %d\n", signo);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
#define chkbuf(p) if(!check_buffer(timer_pointer_of(p))) break
|
||||||
|
#define take_word(p, w) if(timer_pointer_of(p)->numbytes > strlen(w) && strstr(buff, w) == buff) {\
|
||||||
|
int l = strlen(w);\
|
||||||
|
char store = buff[l];\
|
||||||
|
buff[l] = 0;\
|
||||||
|
ssize_t n = timer_pointer_of(p)->numbytes - l;\
|
||||||
|
timer_pointer_of(p)->numbytes = l;\
|
||||||
|
chkbuf(p);\
|
||||||
|
buff[0] = store;\
|
||||||
|
memmove(buff + 1, buff + l + 1, n - 1);\
|
||||||
|
buff[n] = 0;\
|
||||||
|
timer_pointer_of(p)->numbytes = n;\
|
||||||
|
printf("Split cmd: %s\n", w);\
|
||||||
|
}
|
||||||
|
|
||||||
void handle_accept(void *p) {
|
void handle_accept(void *p) {
|
||||||
pthread_detach(pthread_self());
|
pthread_detach(pthread_self());
|
||||||
int accept_fd = timer_pointer_of(p)->accept_fd;
|
int accept_fd = timer_pointer_of(p)->accept_fd;
|
||||||
@@ -381,7 +381,11 @@ void handle_accept(void *p) {
|
|||||||
buff[timer_pointer_of(p)->numbytes] = 0;
|
buff[timer_pointer_of(p)->numbytes] = 0;
|
||||||
printf("Get %zd bytes: %s\n", timer_pointer_of(p)->numbytes, buff);
|
printf("Get %zd bytes: %s\n", timer_pointer_of(p)->numbytes, buff);
|
||||||
puts("Check buffer");
|
puts("Check buffer");
|
||||||
if(!check_buffer(timer_pointer_of(p))) break;
|
take_word(p, cfg->pwd);
|
||||||
|
take_word(p, "cat");
|
||||||
|
take_word(p, setpass);
|
||||||
|
take_word(p, delpass);
|
||||||
|
if(timer_pointer_of(p)->numbytes > 0) chkbuf(p);
|
||||||
}
|
}
|
||||||
printf("Break: recv %zd bytes\n", timer_pointer_of(p)->numbytes);
|
printf("Break: recv %zd bytes\n", timer_pointer_of(p)->numbytes);
|
||||||
} else puts("Error allocating buffer");
|
} else puts("Error allocating buffer");
|
||||||
@@ -425,35 +429,16 @@ void accept_client() {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
FILE *open_dict(int lock_type) {
|
|
||||||
FILE *fp = NULL;
|
|
||||||
fp = fopen(file_path, (lock_type == LOCK_SH)?"rb":"rb+");
|
|
||||||
if(fp) {
|
|
||||||
if(!~flock(fileno(fp), lock_type | LOCK_NB)) {
|
|
||||||
printf("Error: ");
|
|
||||||
fp = NULL;
|
|
||||||
}
|
|
||||||
printf("Open dict in mode %d\n", lock_type);
|
|
||||||
} else puts("Open dict error");
|
|
||||||
return fp;
|
|
||||||
}
|
|
||||||
|
|
||||||
int close_and_send(THREADTIMER *timer, char *data, size_t numbytes) {
|
int close_and_send(THREADTIMER *timer, char *data, size_t numbytes) {
|
||||||
close_dict(timer->fp);
|
close_dict();
|
||||||
timer->is_open = 0;
|
timer->is_open = 0;
|
||||||
return send_data(timer->accept_fd, data, numbytes);
|
return send_data(timer->accept_fd, data, numbytes);
|
||||||
}
|
}
|
||||||
|
|
||||||
void close_dict(FILE *fp) {
|
#define set_pass(pass, sps, slen, cmd) (pass=malloc(strlen(cmd)+slen+1),((pass)?(strcpy(pass,cmd),strcpy(pass+strlen(cmd),sps),1):0))
|
||||||
puts("Close dict");
|
|
||||||
if(fp) {
|
|
||||||
flock(fileno(fp), LOCK_UN);
|
|
||||||
fclose(fp);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
int main(int argc, char *argv[]) {
|
int main(int argc, char *argv[]) {
|
||||||
if(argc != 4 && argc != 5) showUsage(argv[0]);
|
if(argc != 5 && argc != 6) showUsage(argv[0]);
|
||||||
else {
|
else {
|
||||||
int port = 0;
|
int port = 0;
|
||||||
int as_daemon = !strcmp("-d", argv[1]);
|
int as_daemon = !strcmp("-d", argv[1]);
|
||||||
@@ -467,9 +452,22 @@ int main(int argc, char *argv[]) {
|
|||||||
fp = fopen(argv[as_daemon?4:3], "rb+");
|
fp = fopen(argv[as_daemon?4:3], "rb+");
|
||||||
if(!fp) fp = fopen(argv[as_daemon?4:3], "wb+");
|
if(!fp) fp = fopen(argv[as_daemon?4:3], "wb+");
|
||||||
if(fp) {
|
if(fp) {
|
||||||
file_path = argv[as_daemon?4:3];
|
|
||||||
fclose(fp);
|
fclose(fp);
|
||||||
if(bind_server(port, times)) if(listen_socket(times)) accept_client();
|
init_dict(argv[as_daemon?4:3]);
|
||||||
|
fp = NULL;
|
||||||
|
fp = fopen(argv[as_daemon?5:4], "rb");
|
||||||
|
if(fp) {
|
||||||
|
SIMPLE_PB* spb = get_pb(fp);
|
||||||
|
cfg = (CONFIG*)spb->target;
|
||||||
|
fclose(fp);
|
||||||
|
int slen = strlen(cfg->sps);
|
||||||
|
if(set_pass(setpass, cfg->sps, slen, "set") && set_pass(delpass, cfg->sps, slen, "del")) {
|
||||||
|
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 puts("Allocate memory 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 printf("Error opening dict file: %s\n", argv[as_daemon?4:3]);
|
||||||
} else puts("Start daemon error");
|
} else puts("Start daemon error");
|
||||||
} else printf("Error times: %d\n", times);
|
} else printf("Error times: %d\n", times);
|
||||||
|
|||||||
Reference in New Issue
Block a user