diff options
Diffstat (limited to 'packages')
-rw-r--r-- | packages/ipkg/files/1-pkg-parse--Optimize-inefficient-parsing.patch | 227 | ||||
-rw-r--r-- | packages/ipkg/files/2-pkg-vec--Optimize-gross-inefficiency.patch | 65 | ||||
-rw-r--r-- | packages/ipkg/ipkg_0.99.163.bb | 7 |
3 files changed, 297 insertions, 2 deletions
diff --git a/packages/ipkg/files/1-pkg-parse--Optimize-inefficient-parsing.patch b/packages/ipkg/files/1-pkg-parse--Optimize-inefficient-parsing.patch new file mode 100644 index 0000000000..e7632b11d1 --- /dev/null +++ b/packages/ipkg/files/1-pkg-parse--Optimize-inefficient-parsing.patch @@ -0,0 +1,227 @@ +# HG changeset patch +# User pfalcon@localhost +# Date 1178334771 0 +# Node ID e4c99830ba0d55813e1774bd6d41039ca640d6a6 +# Parent d324eba24e79a0a86df7978f0511e4632a2732c7 +pkg_parse: Optimize inefficient parsing. + +Instead of expensively probing all fields in row, dispatch based on the +first letter of the field. Tests show ~12 times reduction in number of calls +to low-level parsing functions. + +diff -r d324eba24e79 -r e4c99830ba0d pkg_parse.c +--- a/pkg_parse.c Fri May 04 23:22:33 2007 +0000 ++++ b/pkg_parse.c Sat May 05 03:12:51 2007 +0000 +@@ -241,87 +241,116 @@ int pkg_parse_raw(pkg_t *pkg, char ***ra + + for (lines = *raw; *lines; lines++) { + /* fprintf(stderr, "PARSING %s\n", *lines);*/ +- if(isGenericFieldType("Package:", *lines)) +- pkg->name = parseGenericFieldType("Package", *lines); +- else if(isGenericFieldType("Architecture:", *lines)) +- pkg->architecture = parseGenericFieldType("Architecture", *lines); +- else if(isGenericFieldType("Filename:", *lines)) +- pkg->filename = parseGenericFieldType("Filename", *lines); +- else if(isGenericFieldType("Section:", *lines)) +- pkg->section = parseGenericFieldType("Section", *lines); +- else if(isGenericFieldType("MD5sum:", *lines)) +- pkg->md5sum = parseGenericFieldType("MD5sum", *lines); +- /* The old ipkg wrote out status files with the wrong case for MD5sum, +- let's parse it either way */ +- else if(isGenericFieldType("MD5Sum:", *lines)) +- pkg->md5sum = parseGenericFieldType("MD5Sum", *lines); +- else if(isGenericFieldType("Size:", *lines)) +- pkg->size = parseGenericFieldType("Size", *lines); +- else if(isGenericFieldType("Source:", *lines)) +- pkg->source = parseGenericFieldType("Source", *lines); +- else if(isGenericFieldType("Installed-Size:", *lines)) +- pkg->installed_size = parseGenericFieldType("Installed-Size", *lines); +- else if(isGenericFieldType("Installed-Time:", *lines)) { +- char *time_str = parseGenericFieldType("Installed-Time", *lines); +- pkg->installed_time = strtoul(time_str, NULL, 0); +- } else if(isGenericFieldType("Priority:", *lines)) +- pkg->priority = parseGenericFieldType("Priority", *lines); +- else if(isGenericFieldType("Essential:", *lines)) { +- char *essential_value; +- essential_value = parseGenericFieldType("Essential", *lines); +- if (strcmp(essential_value, "yes") == 0) { +- pkg->essential = 1; +- } +- free(essential_value); +- } +- else if(isGenericFieldType("Status", *lines)) +- parseStatus(pkg, *lines); +- else if(isGenericFieldType("Version", *lines)) +- parseVersion(pkg, *lines); +- else if(isGenericFieldType("Maintainer", *lines)) +- pkg->maintainer = parseGenericFieldType("Maintainer", *lines); +- else if(isGenericFieldType("Conffiles", *lines)){ +- parseConffiles(pkg, *lines); +- reading_conffiles = 1; +- } +- else if(isGenericFieldType("Description", *lines)) { +- pkg->description = parseGenericFieldType("Description", *lines); +- reading_conffiles = 0; +- reading_description = 1; +- } +- +- else if(isGenericFieldType("Provides", *lines)){ ++ switch (**lines) { ++ case 'P': ++ if(isGenericFieldType("Package:", *lines)) ++ pkg->name = parseGenericFieldType("Package", *lines); ++ else if(isGenericFieldType("Priority:", *lines)) ++ pkg->priority = parseGenericFieldType("Priority", *lines); ++ else if(isGenericFieldType("Provides", *lines)){ + /* Here we add the internal_use to align the off by one problem between provides_str and provides */ +- provide = (char * ) malloc(strlen(*lines)+ 35 ); /* Preparing the space for the new ipkg_internal_use_only */ +- if ( alterProvidesLine(*lines,provide) ){ +- return EINVAL; +- } +- pkg->provides_str = parseDependsString( provide, &pkg->provides_count); ++ provide = (char * ) malloc(strlen(*lines)+ 35 ); /* Preparing the space for the new ipkg_internal_use_only */ ++ if ( alterProvidesLine(*lines,provide) ){ ++ return EINVAL; ++ } ++ pkg->provides_str = parseDependsString( provide, &pkg->provides_count); + /* Let's try to hack a bit here. + The idea is that if a package has no Provides, we would add one generic, to permit the check of dependencies + in alot of other places. We will remove it before writing down the status database */ +- pkg_false_provides=0; +- free(provide); +- } +- +- else if(isGenericFieldType("Depends", *lines)) +- pkg->depends_str = parseDependsString(*lines, &pkg->depends_count); +- else if(isGenericFieldType("Pre-Depends", *lines)) +- pkg->pre_depends_str = parseDependsString(*lines, &pkg->pre_depends_count); +- else if(isGenericFieldType("Recommends", *lines)) +- pkg->recommends_str = parseDependsString(*lines, &pkg->recommends_count); +- else if(isGenericFieldType("Suggests", *lines)) +- pkg->suggests_str = parseDependsString(*lines, &pkg->suggests_count); +- /* Abhaya: support for conflicts */ +- else if(isGenericFieldType("Conflicts", *lines)) +- pkg->conflicts_str = parseDependsString(*lines, &pkg->conflicts_count); +- else if(isGenericFieldType("Replaces", *lines)) +- pkg->replaces_str = parseDependsString(*lines, &pkg->replaces_count); +- else if(line_is_blank(*lines)) { +- lines++; +- break; +- } +- else if(**lines == ' '){ ++ pkg_false_provides=0; ++ free(provide); ++ } ++ else if(isGenericFieldType("Pre-Depends", *lines)) ++ pkg->pre_depends_str = parseDependsString(*lines, &pkg->pre_depends_count); ++ break; ++ ++ case 'A': ++ if(isGenericFieldType("Architecture:", *lines)) ++ pkg->architecture = parseGenericFieldType("Architecture", *lines); ++ break; ++ ++ case 'F': ++ if(isGenericFieldType("Filename:", *lines)) ++ pkg->filename = parseGenericFieldType("Filename", *lines); ++ break; ++ ++ case 'S': ++ if(isGenericFieldType("Section:", *lines)) ++ pkg->section = parseGenericFieldType("Section", *lines); ++ else if(isGenericFieldType("Size:", *lines)) ++ pkg->size = parseGenericFieldType("Size", *lines); ++ else if(isGenericFieldType("Source:", *lines)) ++ pkg->source = parseGenericFieldType("Source", *lines); ++ else if(isGenericFieldType("Status", *lines)) ++ parseStatus(pkg, *lines); ++ else if(isGenericFieldType("Suggests", *lines)) ++ pkg->suggests_str = parseDependsString(*lines, &pkg->suggests_count); ++ break; ++ ++ case 'M': ++ if(isGenericFieldType("MD5sum:", *lines)) ++ pkg->md5sum = parseGenericFieldType("MD5sum", *lines); ++ /* The old ipkg wrote out status files with the wrong case for MD5sum, ++ let's parse it either way */ ++ else if(isGenericFieldType("MD5Sum:", *lines)) ++ pkg->md5sum = parseGenericFieldType("MD5Sum", *lines); ++ else if(isGenericFieldType("Maintainer", *lines)) ++ pkg->maintainer = parseGenericFieldType("Maintainer", *lines); ++ break; ++ ++ case 'I': ++ if(isGenericFieldType("Installed-Size:", *lines)) ++ pkg->installed_size = parseGenericFieldType("Installed-Size", *lines); ++ else if(isGenericFieldType("Installed-Time:", *lines)) { ++ char *time_str = parseGenericFieldType("Installed-Time", *lines); ++ pkg->installed_time = strtoul(time_str, NULL, 0); ++ } ++ break; ++ ++ case 'E': ++ if(isGenericFieldType("Essential:", *lines)) { ++ char *essential_value; ++ essential_value = parseGenericFieldType("Essential", *lines); ++ if (strcmp(essential_value, "yes") == 0) { ++ pkg->essential = 1; ++ } ++ free(essential_value); ++ } ++ break; ++ ++ case 'V': ++ if(isGenericFieldType("Version", *lines)) ++ parseVersion(pkg, *lines); ++ break; ++ ++ case 'C': ++ if(isGenericFieldType("Conffiles", *lines)){ ++ parseConffiles(pkg, *lines); ++ reading_conffiles = 1; ++ } ++ else if(isGenericFieldType("Conflicts", *lines)) ++ pkg->conflicts_str = parseDependsString(*lines, &pkg->conflicts_count); ++ break; ++ ++ case 'D': ++ if(isGenericFieldType("Description", *lines)) { ++ pkg->description = parseGenericFieldType("Description", *lines); ++ reading_conffiles = 0; ++ reading_description = 1; ++ } ++ else if(isGenericFieldType("Depends", *lines)) ++ pkg->depends_str = parseDependsString(*lines, &pkg->depends_count); ++ break; ++ ++ case 'R': ++ if(isGenericFieldType("Recommends", *lines)) ++ pkg->recommends_str = parseDependsString(*lines, &pkg->recommends_count); ++ else if(isGenericFieldType("Replaces", *lines)) ++ pkg->replaces_str = parseDependsString(*lines, &pkg->replaces_count); ++ ++ break; ++ ++ case ' ': + if(reading_description) { + /* we already know it's not blank, so the rest of description */ + pkg->description = realloc(pkg->description, +@@ -332,8 +361,18 @@ int pkg_parse_raw(pkg_t *pkg, char ***ra + } + else if(reading_conffiles) + parseConffiles(pkg, *lines); ++ ++ break; ++ ++ default: ++ if(line_is_blank(*lines)) { ++ lines++; ++ goto out; ++ } + } + } ++out:; ++ + *raw = lines; + /* If the ipk has not a Provides line, we insert our false line */ + if ( pkg_false_provides==1) diff --git a/packages/ipkg/files/2-pkg-vec--Optimize-gross-inefficiency.patch b/packages/ipkg/files/2-pkg-vec--Optimize-gross-inefficiency.patch new file mode 100644 index 0000000000..3c5cac49dc --- /dev/null +++ b/packages/ipkg/files/2-pkg-vec--Optimize-gross-inefficiency.patch @@ -0,0 +1,65 @@ +# HG changeset patch +# User pfalcon@localhost +# Date 1178812057 0 +# Node ID eff4450fdea2f8210a4fc927bd35ae2562d2eced +# Parent e4c99830ba0d55813e1774bd6d41039ca640d6a6 +pkg_vec: Optimize gross inefficiency. + +This module tries to implement *unique* vector (without duplicating +objects), and does this by iterating thru all already existing elements. +Thus, complexity of adding N elements was O(N^2). However, there're no grave +reasons to do uniqueness at all: +1. First of all, if feeds are correct, there won't be duplicates. +2. Then, even if there will be, there won't be serious problems like +segfaults. +3. Finally, for quite a few operations vectors is constructed from a +hashtable, thus uniqueness is guaranteed (which reduces possible cases of +non-uniqueness to values of Depends: and friends). + +All an all, remove dup check, and make ipkg work order of magnitude faster +on a feed with few thousands of packages. + +diff -r e4c99830ba0d -r eff4450fdea2 pkg_vec.c +--- a/pkg_vec.c Sat May 05 03:12:51 2007 +0000 ++++ b/pkg_vec.c Thu May 10 15:47:37 2007 +0000 +@@ -104,6 +104,7 @@ void pkg_vec_insert(pkg_vec_t *vec, cons + int i; + int found = 0; + ++#if 0 + /* look for a duplicate pkg by name, version, and architecture */ + for (i = 0; i < vec->len; i++) + if ((strcmp(pkg->name, vec->pkgs[i]->name) == 0) +@@ -112,6 +113,7 @@ void pkg_vec_insert(pkg_vec_t *vec, cons + found = 1; + break; + } ++#endif + + /* we didn't find one, add it */ + if(!found){ +@@ -191,6 +193,7 @@ void abstract_pkg_vec_insert(abstract_pk + { + int i; + ++#if 0 + /* look for a duplicate pkg by name */ + for(i = 0; i < vec->len; i++) + if (strcmp(pkg->name, vec->pkgs[i]->name) == 0) +@@ -198,12 +201,15 @@ void abstract_pkg_vec_insert(abstract_pk + + /* we didn't find one, add it */ + if(i == vec->len){ ++#endif + vec->pkgs = + (abstract_pkg_t **) + realloc(vec->pkgs, (vec->len + 1) * sizeof(abstract_pkg_t *)); + vec->pkgs[vec->len] = pkg; + vec->len++; +- } ++#if 0 ++ } ++#endif + } + + abstract_pkg_t * abstract_pkg_vec_get(abstract_pkg_vec_t *vec, int i) diff --git a/packages/ipkg/ipkg_0.99.163.bb b/packages/ipkg/ipkg_0.99.163.bb index 627a1fbdfe..c5972a7c53 100644 --- a/packages/ipkg/ipkg_0.99.163.bb +++ b/packages/ipkg/ipkg_0.99.163.bb @@ -1,11 +1,14 @@ include ipkg.inc -PR = "r3" +PR = "r4" S = "${WORKDIR}/ipkg-${PV}" SRC_URI = "http://www.handhelds.org/pub/packages/ipkg/ipkg-${PV}.tar.gz \ file://terse.patch;patch=1 \ - file://is-processing.patch;patch=1" + file://is-processing.patch;patch=1 \ + file://1-pkg-parse--Optimize-inefficient-parsing.patch;patch=1 \ + file://2-pkg-vec--Optimize-gross-inefficiency.patch;patch=1 \ + " do_stage() { oe_libinstall -so libipkg ${STAGING_LIBDIR} |