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https://github.com/fumiama/CMoe-Counter.git
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优化代码结构
This commit is contained in:
parent
7a9501065b
commit
926856a994
68
cmoe.c
68
cmoe.c
@ -3,17 +3,18 @@
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#include <stdlib.h>
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#include <string.h>
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#include <sys/file.h>
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#include <sys/uio.h>
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#include <unistd.h>
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#include "cmoe.h"
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static uint32_t* items_len;
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static COUNTER counter;
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#define ADD_HERDER(h) {\
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#define ADD_HEADER(h) {\
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strcpy(buf + offset, (h));\
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offset += sizeof((h)) - 1;\
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}
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#define ADD_HERDER_PARAM(h, p) {\
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#define ADD_HEADER_PARAM(h, p) {\
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sprintf(buf + offset, (h), (p));\
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offset += strlen(buf + offset);\
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}
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@ -22,20 +23,20 @@ static void headers(uint32_t content_len, const char* content_type) {
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char buf[1024];
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uint32_t offset = 0;
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ADD_HERDER(HTTP200 SERVER_STRING CACHE_CTRL);
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ADD_HERDER_PARAM(CONTENT_TYPE, content_type);
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ADD_HERDER_PARAM(CONTENT_LEN "\r\n", content_len);
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ADD_HEADER(HTTP200 SERVER_STRING CACHE_CTRL);
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ADD_HEADER_PARAM(CONTENT_TYPE, content_type);
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ADD_HEADER_PARAM(CONTENT_LEN "\r\n", content_len);
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content_len += offset;
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write(1, (char*)&content_len, sizeof(uint32_t));
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write(1, buf, offset);
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struct iovec iov[2] = {{&content_len, sizeof(uint32_t)}, {buf, offset}};
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writev(1, &iov, 2);
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}
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static void http_error(ERRCODE code, char* msg) {
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uint32_t len = strlen(msg) + typel[code];
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char* str = malloc(len);
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sprintf(str, types[code], msg);
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write(1, (char*)&len, sizeof(uint32_t));
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write(1, str, len);
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struct iovec iov[2] = {{&len, sizeof(uint32_t)}, {str, len}};
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writev(1, &iov, 2);
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free(str);
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exit(EXIT_FAILURE);
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}
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@ -43,12 +44,11 @@ static void http_error(ERRCODE code, char* msg) {
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static char* get_arg(const char* query) {
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int len = 0;
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while(query[len] && query[len] != '&') len++;
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if(len > 0) {
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char* name = malloc(len+1);
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memcpy(name, query, len);
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name[len] = 0;
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return name;
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} else return NULL;
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if(len <= 0) return NULL;
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char* name = malloc(len+1);
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memcpy(name, query, len);
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name[len] = 0;
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return name;
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}
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static int del_user(FILE* fp, SIMPLE_PB* spb) {
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@ -57,25 +57,22 @@ static int del_user(FILE* fp, SIMPLE_PB* spb) {
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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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return ftruncate(fileno(fp), end - spb->real_len);
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} else {
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uint32_t cap = end - next;
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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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fflush(fp);
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return 0;
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}
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if(next == end) return ftruncate(fileno(fp), end - spb->real_len);
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uint32_t cap = end - next;
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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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fflush(fp);
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return 0;
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}
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}
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free(data);
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}
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free(data);
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}
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return 2;
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}
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@ -89,7 +86,7 @@ static int add_user(char* name, uint32_t count, FILE* fp) {
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static uint32_t get_content_len(int isbig, uint16_t* len_type, char* cntstr) {
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uint32_t len = sizeof(svg_small) - 1
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+ (sizeof(img_slot_front) + sizeof(img_slot_rear) - 2) * 10
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+ (sizeof(img_slot_front) + sizeof(img_slot_rear) - 1) * 10
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+ 16 + isbig
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+ sizeof(svg_tail) - 1;
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for(int i = 0; i < 10; i++) {
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@ -120,6 +117,7 @@ static void return_count(char* name, char* theme) {
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fclose(fp);
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char cntstr[11];
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sprintf(cntstr, "%010u", d->count);
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free(spb);
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int isbig = 0;
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char** theme_type = mb;
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uint16_t* len_type = mbl;
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@ -148,19 +146,17 @@ static void return_count(char* name, char* theme) {
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printf(img_slot_front, w * i, w, h);
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int n = cntstr[i] - '0';
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fwrite(theme_type[n], len_type[n], 1, stdout);
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printf(img_slot_rear);
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puts(img_slot_rear);
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}
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fflush(stdout);
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write(1, svg_tail, sizeof(svg_tail)-1);
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}
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free(spb);
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user_exist = 1;
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return;
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}
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} else free(spb);
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}
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if(!user_exist) http_error(HTTP404, "No Such User.");
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fclose(fp);
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http_error(HTTP404, "No Such User.");
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} else http_error(HTTP500, "Open File Error.");
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}
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2
cmoe.h
2
cmoe.h
@ -50,7 +50,7 @@ const char svg_big[] =
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" <g>\n"
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" \n";
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const char img_slot_front[] = " <image x=\"%d\" y=\"0\" width=\"%d\" height=\"%d\" xlink:href=\"";
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const char img_slot_rear[] = "\"></image>\n";
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const char img_slot_rear[] = "\"></image>";
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const char svg_tail[] =
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" </g>\n"
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"</svg>";
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