From 95901128b88ab1a784e39c5a87328d602af23074 Mon Sep 17 00:00:00 2001 From: Vicent Marti Date: Sat, 5 Feb 2011 18:17:01 +0200 Subject: [PATCH 1/2] Move data from t03 to a separate header Signed-off-by: Vicent Marti --- src/t03-data.h | 346 ++++++++++++++++++++++++++++++++++++++++++ tests/t03-objwrite.c | 347 +------------------------------------------ 2 files changed, 347 insertions(+), 346 deletions(-) create mode 100644 src/t03-data.h diff --git a/src/t03-data.h b/src/t03-data.h new file mode 100644 index 000000000..718d4fa24 --- /dev/null +++ b/src/t03-data.h @@ -0,0 +1,346 @@ + +static char *odb_dir = "test-objects"; + +typedef struct object_data { + char *id; /* object id (sha1) */ + char *dir; /* object store (fan-out) directory name */ + char *file; /* object store filename */ +} object_data; + +static object_data commit = { + "3d7f8a6af076c8c3f20071a8935cdbe8228594d1", + "test-objects/3d", + "test-objects/3d/7f8a6af076c8c3f20071a8935cdbe8228594d1", +}; + +static unsigned char 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dummy data */ +}; + +static git_rawobj zero_obj = { + zero_data, + 0, + GIT_OBJ_BLOB +}; + +static object_data one = { + "8b137891791fe96927ad78e64b0aad7bded08bdc", + "test-objects/8b", + "test-objects/8b/137891791fe96927ad78e64b0aad7bded08bdc", +}; + +static unsigned char one_data[] = { + 0x0a, +}; + +static git_rawobj one_obj = { + one_data, + sizeof(one_data), + GIT_OBJ_BLOB +}; + +static object_data two = { + "78981922613b2afb6025042ff6bd878ac1994e85", + "test-objects/78", + "test-objects/78/981922613b2afb6025042ff6bd878ac1994e85", +}; + +static unsigned char two_data[] = { + 0x61, 0x0a, +}; + +static git_rawobj two_obj = { + two_data, + sizeof(two_data), + GIT_OBJ_BLOB +}; + +static object_data some = { + "fd8430bc864cfcd5f10e5590f8a447e01b942bfe", + "test-objects/fd", + "test-objects/fd/8430bc864cfcd5f10e5590f8a447e01b942bfe", +}; + +static unsigned char some_data[] = { + 0x2f, 0x2a, 0x0a, 0x20, 0x2a, 0x20, 0x54, 0x68, + 0x69, 0x73, 0x20, 0x66, 0x69, 0x6c, 0x65, 0x20, + 0x69, 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zero_obj = { - zero_data, - 0, - GIT_OBJ_BLOB -}; - -static object_data one = { - "8b137891791fe96927ad78e64b0aad7bded08bdc", - "test-objects/8b", - "test-objects/8b/137891791fe96927ad78e64b0aad7bded08bdc", -}; - -static unsigned char one_data[] = { - 0x0a, -}; - -static git_rawobj one_obj = { - one_data, - sizeof(one_data), - GIT_OBJ_BLOB -}; - -static object_data two = { - "78981922613b2afb6025042ff6bd878ac1994e85", - "test-objects/78", - "test-objects/78/981922613b2afb6025042ff6bd878ac1994e85", -}; - -static unsigned char two_data[] = { - 0x61, 0x0a, -}; - -static git_rawobj two_obj = { - two_data, - sizeof(two_data), - GIT_OBJ_BLOB -}; - -static object_data some = { - "fd8430bc864cfcd5f10e5590f8a447e01b942bfe", - "test-objects/fd", - "test-objects/fd/8430bc864cfcd5f10e5590f8a447e01b942bfe", -}; - -static unsigned char some_data[] = { - 0x2f, 0x2a, 0x0a, 0x20, 0x2a, 0x20, 0x54, 0x68, - 0x69, 0x73, 0x20, 0x66, 0x69, 0x6c, 0x65, 0x20, - 0x69, 0x73, 0x20, 0x66, 0x72, 0x65, 0x65, 0x20, 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If the library is found, the SQLite backend will be automatically compiled. Enjoy *very* fast reads and writes. MASTER PROTIP: Initialize the backend with ":memory" as the path to the SQLite database for fully-hosted in-memory repositories. Rejoice. Signed-off-by: Vicent Marti --- src/backends/sqlite.c | 277 +++++++++++++++++++++++++++++++++++++++++ src/git2/odb_backend.h | 7 ++ src/t03-data.h | 2 - tests/t03-objwrite.c | 5 +- tests/t11-sqlite.c | 123 ++++++++++++++++++ tests/test_main.c | 4 +- wscript | 11 +- 7 files changed, 421 insertions(+), 8 deletions(-) create mode 100644 src/backends/sqlite.c create mode 100644 tests/t11-sqlite.c diff --git a/src/backends/sqlite.c b/src/backends/sqlite.c new file mode 100644 index 000000000..ad5b679f9 --- /dev/null +++ b/src/backends/sqlite.c @@ -0,0 +1,277 @@ +/* + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, + * as published by the Free Software Foundation. + * + * In addition to the permissions in the GNU General Public License, + * the authors give you unlimited permission to link the compiled + * version of this file into combinations with other programs, + * and to distribute those combinations without any restriction + * coming from the use of this file. (The General Public License + * restrictions do apply in other respects; for example, they cover + * modification of the file, and distribution when not linked into + * a combined executable.) + * + * This file is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include "common.h" +#include "git2/object.h" +#include "hash.h" +#include "odb.h" + +#include "git2/odb_backend.h" + +#ifdef GIT2_SQLITE_BACKEND + +#include + +#define GIT2_TABLE_NAME "git2_odb" + +typedef struct { + git_odb_backend parent; + sqlite3 *db; + sqlite3_stmt *st_read; + sqlite3_stmt *st_write; + sqlite3_stmt *st_read_header; +} sqlite_backend; + +int sqlite_backend__read_header(git_rawobj *obj, git_odb_backend *_backend, const git_oid *oid) +{ + sqlite_backend *backend; + int error; + + assert(obj && _backend && oid); + + backend = (sqlite_backend *)_backend; + error = GIT_ERROR; + obj->data = NULL; + + if (sqlite3_bind_text(backend->st_read_header, 1, (char *)oid->id, 20, SQLITE_TRANSIENT) == SQLITE_OK) { + if (sqlite3_step(backend->st_read_header) == SQLITE_ROW) { + obj->type = sqlite3_column_int(backend->st_read_header, 0); + obj->len = sqlite3_column_int(backend->st_read_header, 1); + assert(sqlite3_step(backend->st_read_header) == SQLITE_DONE); + error = GIT_SUCCESS; + } else { + error = GIT_ENOTFOUND; + } + } + + sqlite3_reset(backend->st_read_header); + return error; +} + + +int sqlite_backend__read(git_rawobj *obj, git_odb_backend *_backend, const git_oid *oid) +{ + sqlite_backend *backend; + int error; + + assert(obj && _backend && oid); + + backend = (sqlite_backend *)_backend; + error = GIT_ERROR; + + if (sqlite3_bind_text(backend->st_read, 1, (char *)oid->id, 20, SQLITE_TRANSIENT) == SQLITE_OK) { + if (sqlite3_step(backend->st_read) == SQLITE_ROW) { + obj->type = sqlite3_column_int(backend->st_read, 0); + obj->len = sqlite3_column_int(backend->st_read, 1); + obj->data = git__malloc(obj->len); + + if (obj->data == NULL) { + error = GIT_ENOMEM; + } else { + memcpy(obj->data, sqlite3_column_blob(backend->st_read, 2), obj->len); + error = GIT_SUCCESS; + } + + assert(sqlite3_step(backend->st_read) == SQLITE_DONE); + } else { + error = GIT_ENOTFOUND; + } + } + + sqlite3_reset(backend->st_read); + return error; +} + +int sqlite_backend__exists(git_odb_backend *_backend, const git_oid *oid) +{ + sqlite_backend *backend; + int found; + + assert(_backend && oid); + + backend = (sqlite_backend *)_backend; + found = 0; + + if (sqlite3_bind_text(backend->st_read_header, 1, (char *)oid->id, 20, SQLITE_TRANSIENT) == SQLITE_OK) { + if (sqlite3_step(backend->st_read_header) == SQLITE_ROW) { + found = 1; + assert(sqlite3_step(backend->st_read_header) == SQLITE_DONE); + } + } + + sqlite3_reset(backend->st_read_header); + return found; +} + + +int sqlite_backend__write(git_oid *id, git_odb_backend *_backend, git_rawobj *obj) +{ + char hdr[64]; + int hdrlen; + + int error; + sqlite_backend *backend; + + assert(id && _backend && obj); + + backend = (sqlite_backend *)_backend; + + if ((error = git_odb__hash_obj(id, hdr, sizeof(hdr), &hdrlen, obj)) < 0) + return error; + + error = SQLITE_ERROR; + + if (sqlite3_bind_text(backend->st_write, 1, (char *)id->id, 20, SQLITE_TRANSIENT) == SQLITE_OK && + sqlite3_bind_int(backend->st_write, 2, (int)obj->type) == SQLITE_OK && + sqlite3_bind_int(backend->st_write, 3, obj->len) == SQLITE_OK && + sqlite3_bind_blob(backend->st_write, 4, obj->data, obj->len, SQLITE_TRANSIENT) == SQLITE_OK) { + error = sqlite3_step(backend->st_write); + } + + sqlite3_reset(backend->st_write); + return (error == SQLITE_DONE) ? GIT_SUCCESS : GIT_ERROR; +} + + +void sqlite_backend__free(git_odb_backend *_backend) +{ + sqlite_backend *backend; + assert(_backend); + backend = (sqlite_backend *)_backend; + + sqlite3_finalize(backend->st_read); + sqlite3_finalize(backend->st_read_header); + sqlite3_finalize(backend->st_write); + sqlite3_close(backend->db); + + free(backend); +} + +static int create_table(sqlite3 *db) +{ + static const char *sql_creat = + "CREATE TABLE '" GIT2_TABLE_NAME "' (" + "'oid' CHARACTER(20) PRIMARY KEY NOT NULL," + "'type' INTEGER NOT NULL," + "'size' INTEGER NOT NULL," + "'data' BLOB);"; + + if (sqlite3_exec(db, sql_creat, NULL, NULL, NULL) != SQLITE_OK) + return GIT_ERROR; + + return GIT_SUCCESS; +} + +static int init_db(sqlite3 *db) +{ + static const char *sql_check = + "SELECT name FROM sqlite_master WHERE type='table' AND name='" GIT2_TABLE_NAME "';"; + + sqlite3_stmt *st_check; + int error; + + if (sqlite3_prepare_v2(db, sql_check, -1, &st_check, NULL) != SQLITE_OK) + return GIT_ERROR; + + switch (sqlite3_step(st_check)) { + case SQLITE_DONE: + /* the table was not found */ + error = create_table(db); + break; + + case SQLITE_ROW: + /* the table was found */ + error = GIT_SUCCESS; + break; + + default: + error = GIT_ERROR; + break; + } + + sqlite3_finalize(st_check); + return error; +} + +static int init_statements(sqlite_backend *backend) +{ + static const char *sql_read = + "SELECT type, size, data FROM '" GIT2_TABLE_NAME "' WHERE oid = ?;"; + + static const char *sql_read_header = + "SELECT type, size FROM '" GIT2_TABLE_NAME "' WHERE oid = ?;"; + + static const char *sql_write = + "INSERT OR IGNORE INTO '" GIT2_TABLE_NAME "' VALUES (?, ?, ?, ?);"; + + if (sqlite3_prepare_v2(backend->db, sql_read, -1, &backend->st_read, NULL) != SQLITE_OK) + return GIT_ERROR; + + if (sqlite3_prepare_v2(backend->db, sql_read_header, -1, &backend->st_read_header, NULL) != SQLITE_OK) + return GIT_ERROR; + + if (sqlite3_prepare_v2(backend->db, sql_write, -1, &backend->st_write, NULL) != SQLITE_OK) + return GIT_ERROR; + + return GIT_SUCCESS; +} + +int git_odb_backend_sqlite(git_odb_backend **backend_out, const char *sqlite_db) +{ + sqlite_backend *backend; + int error; + + backend = git__calloc(1, sizeof(sqlite_backend)); + if (backend == NULL) + return GIT_ENOMEM; + + if (sqlite3_open(sqlite_db, &backend->db) != SQLITE_OK) + goto cleanup; + + error = init_db(backend->db); + if (error < 0) + goto cleanup; + + error = init_statements(backend); + if (error < 0) + goto cleanup; + + backend->parent.read = &sqlite_backend__read; + backend->parent.read_header = &sqlite_backend__read_header; + backend->parent.write = &sqlite_backend__write; + backend->parent.exists = &sqlite_backend__exists; + backend->parent.free = &sqlite_backend__free; + + backend->parent.priority = 0; + + *backend_out = (git_odb_backend *)backend; + return GIT_SUCCESS; + +cleanup: + sqlite_backend__free((git_odb_backend *)backend); + return GIT_ERROR; +} + +#endif /* HAVE_SQLITE3 */ diff --git a/src/git2/odb_backend.h b/src/git2/odb_backend.h index 9c0c3ad6f..ee7e5dfde 100644 --- a/src/git2/odb_backend.h +++ b/src/git2/odb_backend.h @@ -66,6 +66,13 @@ struct git_odb_backend { void (* free)(struct git_odb_backend *); }; +GIT_EXTERN(int) git_odb_backend_pack(git_odb_backend **backend_out, const char *objects_dir); +GIT_EXTERN(int) git_odb_backend_loose(git_odb_backend **backend_out, const char *objects_dir); + +#ifdef GIT2_SQLITE_BACKEND +GIT_EXTERN(int) git_odb_backend_sqlite(git_odb_backend **backend_out, const char *sqlite_db); +#endif + GIT_END_DECL #endif diff --git a/src/t03-data.h b/src/t03-data.h index 718d4fa24..a4b73fec3 100644 --- a/src/t03-data.h +++ b/src/t03-data.h @@ -1,6 +1,4 @@ -static char *odb_dir = "test-objects"; - typedef struct object_data { char *id; /* object id (sha1) */ char *dir; /* object store (fan-out) directory name */ diff --git a/tests/t03-objwrite.c b/tests/t03-objwrite.c index 0d58349c0..0b9232534 100644 --- a/tests/t03-objwrite.c +++ b/tests/t03-objwrite.c @@ -23,10 +23,11 @@ * Boston, MA 02110-1301, USA. */ #include "test_lib.h" -#include "t03-data.h" - #include "fileops.h" +static char *odb_dir = "test-objects"; +#include "t03-data.h" + static int make_odb_dir(void) { if (gitfo_mkdir(odb_dir, 0755) < 0) { diff --git a/tests/t11-sqlite.c b/tests/t11-sqlite.c new file mode 100644 index 000000000..bc75f5668 --- /dev/null +++ b/tests/t11-sqlite.c @@ -0,0 +1,123 @@ +/* + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, + * as published by the Free Software Foundation. + * + * In addition to the permissions in the GNU General Public License, + * the authors give you unlimited permission to link the compiled + * version of this file into combinations with other programs, + * and to distribute those combinations without any restriction + * coming from the use of this file. (The General Public License + * restrictions do apply in other respects; for example, they cover + * modification of the file, and distribution when not linked into + * a combined executable.) + * + * This file is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ +#include "test_lib.h" +#include "t03-data.h" + +#include "fileops.h" +#include "git2/odb_backend.h" + +static int cmp_objects(git_rawobj *o1, git_rawobj *o2) +{ + if (o1->type != o2->type) + return -1; + if (o1->len != o2->len) + return -1; + if ((o1->len > 0) && (memcmp(o1->data, o2->data, o1->len) != 0)) + return -1; + return 0; +} + +static git_odb *open_sqlite_odb(void) +{ +#ifdef GIT2_SQLITE_BACKEND + git_odb *odb; + git_odb_backend *sqlite; + + if (git_odb_new(&odb) < GIT_SUCCESS) + return NULL; + + if (git_odb_backend_sqlite(&sqlite, ":memory") < GIT_SUCCESS) + return NULL; + + if (git_odb_add_backend(odb, sqlite) < GIT_SUCCESS) + return NULL; + + return odb; +#else + return NULL; +#endif +} + +#define TEST_WRITE(PTR) {\ + git_odb *db; \ + git_oid id1, id2; \ + git_rawobj obj; \ + db = open_sqlite_odb(); \ + must_be_true(db != NULL); \ + must_pass(git_oid_mkstr(&id1, PTR.id)); \ + must_pass(git_odb_write(&id2, db, &PTR##_obj)); \ + must_be_true(git_oid_cmp(&id1, &id2) == 0); \ + must_pass(git_odb_read(&obj, db, &id1)); \ + must_pass(cmp_objects(&obj, &PTR##_obj)); \ + git_rawobj_close(&obj); \ + git_odb_close(db); \ +} + +BEGIN_TEST("sqlite", sql_write_commit) + TEST_WRITE(commit); +END_TEST + +BEGIN_TEST("sqlite", sql_write_tree) + TEST_WRITE(tree); +END_TEST + +BEGIN_TEST("sqlite", sql_write_tag) + TEST_WRITE(tag); +END_TEST + +BEGIN_TEST("sqlite", sql_write_zero) + TEST_WRITE(zero); +END_TEST + +BEGIN_TEST("sqlite", sql_write_one) + TEST_WRITE(one); +END_TEST + +BEGIN_TEST("sqlite", sql_write_two) + TEST_WRITE(two); +END_TEST + +BEGIN_TEST("sqlite", sql_write_some) + TEST_WRITE(some); +END_TEST + + +git_testsuite *libgit2_suite_sqlite(void) +{ + git_testsuite *suite = git_testsuite_new("SQLite Backend"); + +#ifdef GIT2_SQLITE_BACKEND + ADD_TEST(suite, "sqlite", sql_write_commit); + ADD_TEST(suite, "sqlite", sql_write_tree); + ADD_TEST(suite, "sqlite", sql_write_tag); + ADD_TEST(suite, "sqlite", sql_write_zero); + ADD_TEST(suite, "sqlite", sql_write_one); + ADD_TEST(suite, "sqlite", sql_write_two); + ADD_TEST(suite, "sqlite", sql_write_some); +#endif + + return suite; +} + diff --git a/tests/test_main.c b/tests/test_main.c index 5ffbf61bd..191cd39a4 100644 --- a/tests/test_main.c +++ b/tests/test_main.c @@ -40,6 +40,7 @@ extern git_testsuite *libgit2_suite_hashtable(void); extern git_testsuite *libgit2_suite_tag(void); extern git_testsuite *libgit2_suite_tree(void); extern git_testsuite *libgit2_suite_refs(void); +extern git_testsuite *libgit2_suite_sqlite(void); typedef git_testsuite *(*libgit2_suite)(void); @@ -54,7 +55,8 @@ static libgit2_suite suite_methods[]= { libgit2_suite_hashtable, libgit2_suite_tag, libgit2_suite_tree, - libgit2_suite_refs + libgit2_suite_refs, + libgit2_suite_sqlite, }; #define GIT_SUITE_COUNT (ARRAY_SIZE(suite_methods)) diff --git a/wscript b/wscript index fa2e2ee37..c2b9fb47a 100644 --- a/wscript +++ b/wscript @@ -16,7 +16,7 @@ CFLAGS_WIN32_L = ['/RELEASE'] # used for /both/ debug and release builds. # sets the module's checksum in the header. CFLAGS_WIN32_L_DBG = ['/DEBUG'] -ALL_LIBS = ['z', 'crypto', 'pthread'] +ALL_LIBS = ['z', 'crypto', 'pthread', 'sqlite3'] def options(opt): opt.load('compiler_c') @@ -58,13 +58,17 @@ def configure(conf): zlib_name = 'zlibwapi' elif conf.env.CC_NAME == 'gcc': - conf.check(features='c cprogram', lib='pthread', uselib_store='pthread') + conf.check_cc(lib='pthread', uselib_store='pthread') else: conf.env.PLATFORM = 'unix' # check for Z lib - conf.check(features='c cprogram', lib=zlib_name, uselib_store='z', install_path=None) + conf.check_cc(lib=zlib_name, uselib_store='z', install_path=None) + + # check for sqlite3 + if conf.check_cc(lib='sqlite3', uselib_store='sqlite3', install_path=None, mandatory=False): + conf.env.DEFINES += ['GIT2_SQLITE_BACKEND'] if conf.options.sha1 not in ['openssl', 'ppc', 'builtin']: ctx.fatal('Invalid SHA1 option') @@ -115,6 +119,7 @@ def build_library(bld, build_type): # E.g. src/unix/*.c # src/win32/*.c sources = sources + directory.ant_glob('src/%s/*.c' % bld.env.PLATFORM) + sources = sources + directory.ant_glob('src/backends/*.c') # SHA1 methods source if bld.env.sha1 == "ppc":