save file into db

src/db.c

@@ -115,20 +115,15 @@ int db_save_file(session *s) {
   int collision_id = 0;
   session_file *sf = s->file;
 
-  if (sf->seed != FILE_HASH_SEED) {
-    // TODO: сиды обрабатываются неправильно
-    collision_id = db_save_collision(sf->hash);
-  }
-
   int32_t uid_n = htonl(s->uid);
   int64_t size_n = htonl(sf->size);
-  int32_t coll_n = htonl(collision_id);
+  int32_t hash_n = htonl(sf->hash);
   int32_t perm_n = htonl(sf->permissions);
 
   paramValues[0] = (char *)&uid_n;
   paramValues[1] = sf->name;
   paramValues[2] = (char *)&size_n;
-  paramValues[3] = (char *)&coll_n;
+  paramValues[3] = (char *)&hash_n;
   paramValues[4] = sf->description;
   paramValues[5] = (char *)&perm_n;
 
@@ -148,8 +143,8 @@ int db_save_file(session *s) {
 
   res = PQexecParams(conn,
                      "INSERT INTO files(user_id, name, size, created_at, "
-                     "collision_id, description, permissions) "
+                     "hash, description, permissions) "
-                     "VALUES ($1, $2, $3, NOW(), NULLIF($4, 0), $5, $6) "
+                     "VALUES ($1, $2, $3, NOW(), $4, $5, $6) "
                      "RETURNING id",
                      6, NULL, paramValues, paramLengths, paramFormats, TEXT);
 
@@ -161,31 +156,6 @@ int db_save_file(session *s) {
   return id;
 }
 
-int db_save_collision(uint32_t hash) {
-  const char *paramValues[1];
-  int paramLengths[1];
-  int paramFormats[1];
-
-  uint32_t hash_n = htonl(hash);
-
-  paramValues[0] = (char *)&hash_n;
-  paramLengths[0] = sizeof(uint32_t);
-  paramFormats[0] = BIN;
-
-  res = PQexecParams(conn,
-                     "INSERT INTO file_collisions(hash) "
-                     "VALUES ($1) "
-                     "RETURNING id",
-                     1, NULL, paramValues, paramLengths, paramFormats, TEXT);
-
-  if (PQresultStatus(res) != PGRES_TUPLES_OK && !PQntuples(res))
-    return exit_query_2(0);
-
-  int id = atoi(PQgetvalue(res, 0, 0));
-  clearRes();
-  return id;
-}
-
 // TODO: get file
 // int db_get_file(i_get_file_db *arg) {
 

src/deps.mk

@@ -1,8 +0,0 @@
-client.o: src/client.c src/client.h src/main.h src/file_p.h src/session.h
-db.o: src/db.c src/db.h src/main.h
-file_p.o: src/file_p.c src/file_p.h src/main.h src/libs/murmur3/murmur3.h
-main.o: src/main.c src/main.h src/file_p.h src/server.h src/db.h
-server.o: src/server.c src/main.h src/session.h src/user.h
-session.o: src/session.c src/session.h src/main.h src/client.h \
- src/file_p.h src/user.h src/db.h
-user.o: src/user.c src/main.h src/session.h src/db.h

src/file_p.c

@@ -1,6 +1,7 @@
 #include "file_p.h"
 #include "libs/murmur3/murmur3.h"
 #include "main.h"
+#include "session.h"
 #include <arpa/inet.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -112,10 +113,10 @@ int file_receive_prepare(session *sess, char *line, server_data_t *s_d) {
   sscanf(line, "file upload \"%s %zd %d", fname, &fsize, &perm);
   sess->file = malloc(sizeof(session_file));
   sess->file->name = malloc(sizeof(char) * strlen(fname));
-  // TODO: в конце гуляет \n и \"
   sess->file->permissions = (char)perm;
   sess->file->description = NULL;
-  strncpy(sess->file->name, fname, strlen(fname) - 1); // remove the last \"
+  strncpy(sess->file->name, fname, strlen(fname) - 1);
+  sess->file->name[strlen(fname) - 1] = 0;
 
   char mes[256];
   char mes_len = 0;
@@ -138,12 +139,12 @@ int file_receive_prepare(session *sess, char *line, server_data_t *s_d) {
 
   char hashed_dir_name[3];
   char hashed_name[7];
-  sess->file->seed = FILE_HASH_SEED;
+  int seed = FILE_HASH_SEED;
   int file_d;
 
   for (;;) {
-    MurmurHash3_x86_32(sess->file->name, strlen(sess->file->name), sess->file->seed,
+    MurmurHash3_x86_32(sess->file->name, strlen(sess->file->name),
-                       &sess->file->hash);
+                       seed, &sess->file->hash);
 
     extract_names_from_hash(sess->file->hash, hashed_dir_name, hashed_name);
 
@@ -161,7 +162,7 @@ int file_receive_prepare(session *sess, char *line, server_data_t *s_d) {
     file_d = open(sess->file->path, O_WRONLY | O_CREAT | O_EXCL, 0666);
     if (file_d == -1) {
       if (errno == EEXIST) {
-        sess->file->seed++;
+        seed++;
         free(sess->file->path);
         sess->file->path = NULL;
         continue;
@@ -262,32 +263,31 @@ size_t get_file_size(char *dir_n, char *file_n) {
 
 /* returns 1 if there is :END: ; 0 if opposite */
 int file_upload_description(session *sess, char *line, server_data_t *s_d) {
-  // for (;;) {
+  for (;;) {
-  //   if (line != NULL && sess->file->description == NULL) { /* first query */
+    if (line != NULL && sess->file->description == NULL) { /* first query */
-  //     sess->file->description = malloc(strlen(line) + 1);
+      sess->file->description = malloc(strlen(line) + 1);
-  //     strcpy(sess->file->description, line);
+      strcpy(sess->file->description, line);
-  //   } else { /* subsequent queries */
+    } else { /* subsequent queries */
-  //     if (line == NULL) {
+      if (line == NULL) {
-  //       if (sess->buf_used > 0) {
+        if (sess->buf_used > 0) {
-  //         query_extract_from_buf(sess, &line);
+          query_extract_from_buf(sess, &line);
-  //       } else {
+        } else {
-  //         return 0;
+          return 0;
-  //       }
+        }
-  //     }
+      }
-  //     sess->file->description =
+      sess->file->description =
-  //         realloc(sess->file->description, strlen(sess->file->description) + strlen(line) + 1);
+          realloc(sess->file->description,
-  //     strcat(sess->file->description, line);
+                  strlen(sess->file->description) + strlen(line) + 1);
-  //   }
+      strcat(sess->file->description, line);
-  //   char *desc_end = strstr(line, ":END:");
+    }
-  //   if (desc_end != NULL) {
+    char *desc_end = strstr(line, ":END:");
-  //     return 1;
+    if (desc_end != NULL) {
-  //   }
+      sess->file->description[strlen(sess->file->description) - 6] = 0; // cut the :END:
-  // }
-  char _msg[] = "This is a test \n Description!\n";
-  sess->file->description = malloc(sizeof(_msg) + 1);
-  strcpy(sess->file->description, _msg);
       return 1;
     }
+    line = NULL;
+  }
+}
 
 // TODO: синхронизовать c C++
 void get_files_descriptions(server_data_t *s_d) {

src/libs/murmur3/example.c

@@ -1,32 +0,0 @@
-/* Murmur3 example: hash the first command line argument. */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-#include "murmur3.h"
-
-int main(int argc, char **argv) {
-  uint32_t hash[4];                /* Output for the hash */
-  uint32_t seed = 420;              /* Seed value for hash */
-
-  if (argc != 2) {
-    printf("usage: %s \"string to hash\"\n", argv[0]);
-    exit(1);
-  }
-
-  printf("Input: \"%s\"\n", argv[1]);
-  
-  MurmurHash3_x86_32(argv[1], strlen(argv[1]), seed, hash);
-  printf("x86_32:  %08x\n", hash[0]);
-
-  MurmurHash3_x86_128(argv[1], strlen(argv[1]), seed, hash);
-  printf("x86_128: %08x %08x %08x %08x\n",
-         hash[0], hash[1], hash[2], hash[3]);
-
-  MurmurHash3_x64_128(argv[1], strlen(argv[1]), seed, hash);
-  printf("x64_128: %08x %08x %08x %08x\n",
-         hash[0], hash[1], hash[2], hash[3]);
-
-  return 0;
-}

src/main.h

@@ -28,7 +28,6 @@ enum sess_states {
   FIN
 };
 
-
 enum user_privileges {
   ADD_FILE = 01,
   EDIT_FILES = 02,
@@ -50,7 +49,6 @@ typedef struct {
   size_t size;
   size_t rest;
   uint32_t hash;
-  int seed;
   int fd;
 } session_file;