diff options
Diffstat (limited to 'fedora/.local/bin/htop-vim/pcp/PCPDynamicColumn.c')
| -rw-r--r-- | fedora/.local/bin/htop-vim/pcp/PCPDynamicColumn.c | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/fedora/.local/bin/htop-vim/pcp/PCPDynamicColumn.c b/fedora/.local/bin/htop-vim/pcp/PCPDynamicColumn.c deleted file mode 100644 index 33c6d72..0000000 --- a/fedora/.local/bin/htop-vim/pcp/PCPDynamicColumn.c +++ /dev/null @@ -1,348 +0,0 @@ -/* -htop - PCPDynamicColumn.c -(C) 2021 Sohaib Mohammed -(C) 2021 htop dev team -(C) 2021 Red Hat, Inc. -Released under the GNU GPLv2+, see the COPYING file -in the source distribution for its full text. -*/ - -#include "config.h" // IWYU pragma: keep - -#include "pcp/PCPDynamicColumn.h" - -#include <ctype.h> -#include <dirent.h> -#include <errno.h> -#include <pwd.h> -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "CRT.h" -#include "Macros.h" -#include "Platform.h" -#include "Process.h" -#include "ProcessList.h" -#include "RichString.h" -#include "XUtils.h" - -#include "pcp/PCPProcess.h" -#include "pcp/PCPMetric.h" - - -static bool PCPDynamicColumn_addMetric(PCPDynamicColumns* columns, PCPDynamicColumn* column) { - if (!column->super.name[0]) - return false; - - size_t bytes = 16 + strlen(column->super.name); - char* metricName = xMalloc(bytes); - xSnprintf(metricName, bytes, "htop.column.%s", column->super.name); - - column->metricName = metricName; - column->id = columns->offset + columns->cursor; - columns->cursor++; - - Platform_addMetric(column->id, metricName); - return true; -} - -static void PCPDynamicColumn_parseMetric(PCPDynamicColumns* columns, PCPDynamicColumn* column, const char* path, unsigned int line, char* value) { - /* lookup a dynamic metric with this name, else create */ - if (PCPDynamicColumn_addMetric(columns, column) == false) - return; - - /* derived metrics in all dynamic columns for simplicity */ - char* error; - if (pmRegisterDerivedMetric(column->metricName, value, &error) < 0) { - char* note; - xAsprintf(¬e, - "%s: failed to parse expression in %s at line %u\n%s\n", - pmGetProgname(), path, line, error); - free(error); - errno = EINVAL; - CRT_fatalError(note); - free(note); - } -} - -// Ensure a valid name for use in a PCP metric name and in htoprc -static bool PCPDynamicColumn_validateColumnName(char* key, const char* path, unsigned int line) { - char* p = key; - char* end = strrchr(key, ']'); - - if (end) { - *end = '\0'; - } else { - fprintf(stderr, - "%s: no closing brace on column name at %s line %u\n\"%s\"", - pmGetProgname(), path, line, key); - return false; - } - - while (*p) { - if (p == key) { - if (!isalpha(*p) && *p != '_') - break; - } else { - if (!isalnum(*p) && *p != '_') - break; - } - p++; - } - if (*p != '\0') { /* badness */ - fprintf(stderr, - "%s: invalid column name at %s line %u\n\"%s\"", - pmGetProgname(), path, line, key); - return false; - } - return true; -} - -// Ensure a column name has not been defined previously -static bool PCPDynamicColumn_uniqueName(char* key, PCPDynamicColumns* columns) { - return DynamicColumn_search(columns->table, key, NULL) == NULL; -} - -static PCPDynamicColumn* PCPDynamicColumn_new(PCPDynamicColumns* columns, const char* name) { - PCPDynamicColumn* column = xCalloc(1, sizeof(*column)); - String_safeStrncpy(column->super.name, name, sizeof(column->super.name)); - - size_t id = columns->count + LAST_PROCESSFIELD; - Hashtable_put(columns->table, id, column); - columns->count++; - - return column; -} - -static void PCPDynamicColumn_parseFile(PCPDynamicColumns* columns, const char* path) { - FILE* file = fopen(path, "r"); - if (!file) - return; - - PCPDynamicColumn* column = NULL; - unsigned int lineno = 0; - bool ok = true; - for (;;) { - char* line = String_readLine(file); - if (!line) - break; - lineno++; - - /* cleanup whitespace, skip comment lines */ - char* trimmed = String_trim(line); - free(line); - if (!trimmed || !trimmed[0] || trimmed[0] == '#') { - free(trimmed); - continue; - } - - size_t n; - char** config = String_split(trimmed, '=', &n); - free(trimmed); - if (config == NULL) - continue; - - char* key = String_trim(config[0]); - char* value = n > 1 ? String_trim(config[1]) : NULL; - if (key[0] == '[') { /* new section heading - i.e. new column */ - ok = PCPDynamicColumn_validateColumnName(key + 1, path, lineno); - if (ok) - ok = PCPDynamicColumn_uniqueName(key + 1, columns); - if (ok) - column = PCPDynamicColumn_new(columns, key + 1); - } else if (value && column && String_eq(key, "caption")) { - free_and_xStrdup(&column->super.caption, value); - } else if (value && column && String_eq(key, "heading")) { - free_and_xStrdup(&column->super.heading, value); - } else if (value && column && String_eq(key, "description")) { - free_and_xStrdup(&column->super.description, value); - } else if (value && column && String_eq(key, "width")) { - column->super.width = strtoul(value, NULL, 10); - } else if (value && column && String_eq(key, "metric")) { - PCPDynamicColumn_parseMetric(columns, column, path, lineno, value); - } - String_freeArray(config); - free(value); - free(key); - } - fclose(file); -} - -static void PCPDynamicColumn_scanDir(PCPDynamicColumns* columns, char* path) { - DIR* dir = opendir(path); - if (!dir) - return; - - struct dirent* dirent; - while ((dirent = readdir(dir)) != NULL) { - if (dirent->d_name[0] == '.') - continue; - - char* file = String_cat(path, dirent->d_name); - PCPDynamicColumn_parseFile(columns, file); - free(file); - } - closedir(dir); -} - -void PCPDynamicColumns_init(PCPDynamicColumns* columns) { - const char* share = pmGetConfig("PCP_SHARE_DIR"); - const char* sysconf = pmGetConfig("PCP_SYSCONF_DIR"); - const char* xdgConfigHome = getenv("XDG_CONFIG_HOME"); - const char* override = getenv("PCP_HTOP_DIR"); - const char* home = getenv("HOME"); - char* path; - - if (!xdgConfigHome && !home) { - const struct passwd* pw = getpwuid(getuid()); - if (pw) - home = pw->pw_dir; - } - - columns->table = Hashtable_new(0, true); - - /* developer paths - PCP_HTOP_DIR=./pcp ./pcp-htop */ - if (override) { - path = String_cat(override, "/columns/"); - PCPDynamicColumn_scanDir(columns, path); - free(path); - } - - /* next, search in home directory alongside htoprc */ - if (xdgConfigHome) - path = String_cat(xdgConfigHome, "/htop/columns/"); - else if (home) - path = String_cat(home, "/.config/htop/columns/"); - else - path = NULL; - if (path) { - PCPDynamicColumn_scanDir(columns, path); - free(path); - } - - /* next, search in the system columns directory */ - path = String_cat(sysconf, "/htop/columns/"); - PCPDynamicColumn_scanDir(columns, path); - free(path); - - /* next, try the readonly system columns directory */ - path = String_cat(share, "/htop/columns/"); - PCPDynamicColumn_scanDir(columns, path); - free(path); -} - -static void PCPDynamicColumns_free(ATTR_UNUSED ht_key_t key, void* value, ATTR_UNUSED void* data) { - PCPDynamicColumn* column = (PCPDynamicColumn*) value; - free(column->metricName); - free(column->super.heading); - free(column->super.caption); - free(column->super.description); -} - -void PCPDynamicColumns_done(Hashtable* table) { - Hashtable_foreach(table, PCPDynamicColumns_free, NULL); -} - -void PCPDynamicColumn_writeField(PCPDynamicColumn* this, const Process* proc, RichString* str) { - const PCPProcess* pp = (const PCPProcess*) proc; - unsigned int type = PCPMetric_type(this->id); - - pmAtomValue atom; - if (!PCPMetric_instance(this->id, proc->pid, pp->offset, &atom, type)) { - RichString_appendAscii(str, CRT_colors[METER_VALUE_ERROR], "no data"); - return; - } - - int width = this->super.width; - if (!width || abs(width) > DYNAMIC_MAX_COLUMN_WIDTH) - width = DYNAMIC_DEFAULT_COLUMN_WIDTH; - int abswidth = abs(width); - if (abswidth > DYNAMIC_MAX_COLUMN_WIDTH) { - abswidth = DYNAMIC_MAX_COLUMN_WIDTH; - width = -abswidth; - } - - char buffer[DYNAMIC_MAX_COLUMN_WIDTH + /* space */ 1 + /* null terminator */ + 1]; - int attr = CRT_colors[DEFAULT_COLOR]; - switch (type) { - case PM_TYPE_STRING: - attr = CRT_colors[PROCESS_SHADOW]; - Process_printLeftAlignedField(str, attr, atom.cp, abswidth); - free(atom.cp); - break; - case PM_TYPE_32: - xSnprintf(buffer, sizeof(buffer), "%*d ", width, atom.l); - RichString_appendAscii(str, attr, buffer); - break; - case PM_TYPE_U32: - xSnprintf(buffer, sizeof(buffer), "%*u ", width, atom.ul); - RichString_appendAscii(str, attr, buffer); - break; - case PM_TYPE_64: - xSnprintf(buffer, sizeof(buffer), "%*lld ", width, (long long) atom.ll); - RichString_appendAscii(str, attr, buffer); - break; - case PM_TYPE_U64: - xSnprintf(buffer, sizeof(buffer), "%*llu ", width, (unsigned long long) atom.ull); - RichString_appendAscii(str, attr, buffer); - break; - case PM_TYPE_FLOAT: - xSnprintf(buffer, sizeof(buffer), "%*.2f ", width, (double) atom.f); - RichString_appendAscii(str, attr, buffer); - break; - case PM_TYPE_DOUBLE: - xSnprintf(buffer, sizeof(buffer), "%*.2f ", width, atom.d); - RichString_appendAscii(str, attr, buffer); - break; - default: - attr = CRT_colors[METER_VALUE_ERROR]; - RichString_appendAscii(str, attr, "no type"); - break; - } -} - -int PCPDynamicColumn_compareByKey(const PCPProcess* p1, const PCPProcess* p2, ProcessField key) { - const PCPDynamicColumn* column = Hashtable_get(p1->super.processList->dynamicColumns, key); - - if (!column) - return -1; - - size_t metric = column->id; - unsigned int type = PCPMetric_type(metric); - - pmAtomValue atom1 = {0}, atom2 = {0}; - if (!PCPMetric_instance(metric, p1->super.pid, p1->offset, &atom1, type) || - !PCPMetric_instance(metric, p2->super.pid, p2->offset, &atom2, type)) { - if (type == PM_TYPE_STRING) { - free(atom1.cp); - free(atom2.cp); - } - return -1; - } - - switch (type) { - case PM_TYPE_STRING: { - int cmp = SPACESHIP_NULLSTR(atom2.cp, atom1.cp); - free(atom2.cp); - free(atom1.cp); - return cmp; - } - case PM_TYPE_32: - return SPACESHIP_NUMBER(atom2.l, atom1.l); - case PM_TYPE_U32: - return SPACESHIP_NUMBER(atom2.ul, atom1.ul); - case PM_TYPE_64: - return SPACESHIP_NUMBER(atom2.ll, atom1.ll); - case PM_TYPE_U64: - return SPACESHIP_NUMBER(atom2.ull, atom1.ull); - case PM_TYPE_FLOAT: - return SPACESHIP_NUMBER(atom2.f, atom1.f); - case PM_TYPE_DOUBLE: - return SPACESHIP_NUMBER(atom2.d, atom1.d); - default: - break; - } - return -1; -} |