X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=wmiistatus.c;h=e1b8097836529fb7f1d959b356c900f780490fd0;hb=5fc9e2ffb247f1e95c57c5f4640837fe78aea24d;hp=696f766ca6437e4d46fefba366ee1c1cc368fabd;hpb=5aa763929774349c7b5b1927b1ba15c9d7ff74dd;p=i3%2Fi3status diff --git a/wmiistatus.c b/wmiistatus.c index 696f766..e1b8097 100644 --- a/wmiistatus.c +++ b/wmiistatus.c @@ -41,6 +41,7 @@ #include #include #include +#include #include #include #include @@ -50,18 +51,37 @@ #include #include #include + +#ifdef LINUX #include #include +#else +/* TODO: correctly check for *BSD */ +#include +#include +#include +#endif - -#define _IS_WMIISTATUS_C #include "wmiistatus.h" -#undef _IS_WMIISTATUS_C -#include "config.h" + +#define BAR "^fg(#333333)^p(5;-2)^ro(2)^p()^fg()^p(5)" /* socket file descriptor for general purposes */ static int general_socket; +static const char *wlan_interface; +static const char *eth_interface; +static char *wmii_path; +static const char *time_format; +static const char *battery_path; +static bool use_colors; +static bool get_ethspeed; +static const char *wmii_normcolors = "#222222 #333333"; +static char order[MAX_ORDER][2]; +static const char **run_watches; +static unsigned int num_run_watches; +static unsigned int interval = 1; + /* * This function just concats two strings in place, it should only be used * for concatting order to the name of a file or concatting color codes. @@ -74,11 +94,28 @@ static char *concat(const char *str1, const char *str2) { return concatbuf; } +/* + * Returns the correct color format for dzen (^fg(color)) or wmii (color ) + * + */ +static char *color(const char *colorstr) { + static char colorbuf[32]; +#ifdef DZEN + (void)snprintf(colorbuf, sizeof(colorbuf), "^fg(%s)", colorstr); +#else + (void)snprintf(colorbuf, sizeof(colorbuf), "%s %s ", colorstr, wmii_normcolors); +#endif + return colorbuf; +} + /* * Cleans wmii's /rbar directory by deleting all regular files * */ static void cleanup_rbar_dir() { +#ifdef DZEN + return; +#endif struct dirent *ent; DIR *dir; char pathbuf[strlen(wmii_path)+256+1]; @@ -100,9 +137,12 @@ static void cleanup_rbar_dir() { /* * Creates the specified file in wmii's /rbar directory with * correct modes and initializes colors if colormode is enabled - * ' + * */ static void create_file(const char *name) { +#ifdef DZEN + return; +#endif char pathbuf[strlen(wmii_path)+256+1]; int fd; int flags = O_CREAT | O_WRONLY; @@ -117,7 +157,7 @@ static void create_file(const char *name) { if ((fd = open(pathbuf, flags, S_IRUSR | S_IWUSR)) < 0) exit(EXIT_FAILURE); if (use_colors) { - char *tmp = concat("#888888 ", wmii_normcolors); + char *tmp = color("#888888"); if (write(fd, tmp, strlen(tmp)) != (ssize_t)strlen(tmp)) exit(EXIT_FAILURE); } @@ -131,11 +171,13 @@ static void create_file(const char *name) { */ static void setup(void) { unsigned int i; - struct stat statbuf; char pathbuf[512]; +#ifndef DZEN + struct stat statbuf; /* Wait until wmii_path/rbar exists */ for (; stat(wmii_path, &statbuf) < 0; sleep(interval)); +#endif cleanup_rbar_dir(); if (wlan_interface) @@ -151,14 +193,23 @@ static void setup(void) { snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]); create_file(pathbuf); } - } /* * Writes the given message in the corresponding file in wmii's /rbar directory * */ -static void write_to_statusbar(const char *name, const char *message) { +static void write_to_statusbar(const char *name, const char *message, bool final_entry) { +#ifdef DZEN + if (final_entry) { + (void)printf("%s^p(6)\n", message); + fflush(stdout); + return; + } + (void)printf("%s" BAR, message); + return; +#endif + char pathbuf[strlen(wmii_path)+256+1]; int fd; @@ -180,7 +231,7 @@ static void write_to_statusbar(const char *name, const char *message) { static void write_error_to_statusbar(const char *message) { cleanup_rbar_dir(); create_file("error"); - write_to_statusbar("error", message); + write_to_statusbar("error", message, true); } /* @@ -188,19 +239,20 @@ static void write_error_to_statusbar(const char *message) { * */ void die(const char *fmt, ...) { - char buffer[512]; - va_list ap; - va_start(ap, fmt); - (void)vsnprintf(buffer, sizeof(buffer), fmt, ap); - va_end(ap); + if (wmii_path != NULL) { + char buffer[512]; + va_list ap; + va_start(ap, fmt); + (void)vsnprintf(buffer, sizeof(buffer), fmt, ap); + va_end(ap); - if (wmii_path != NULL) write_error_to_statusbar(buffer); + } exit(EXIT_FAILURE); } /* - * Skip the given character for maximum 'amount' times, returns + * Skip the given character for exactly 'amount' times, returns * a pointer to the first non-'character' character in 'input'. * */ @@ -255,18 +307,17 @@ static char *get_battery_info() { last = walk+1; (void)close(fd); - if ((full_design != -1) && (remaining != -1) && (present_rate != -1)) { - float remaining_time, perc; + if ((full_design != 1) && (remaining != -1)) + return part; + + if (present_rate > 0) { + float remaining_time; int seconds, hours, minutes; if (status == CS_CHARGING) remaining_time = ((float)full_design - (float)remaining) / (float)present_rate; else if (status == CS_DISCHARGING) remaining_time = ((float)remaining / (float)present_rate); - else { - (void)snprintf(part, sizeof(part), "FULL"); - return part; - } - perc = ((float)remaining / (float)full_design); + else remaining_time = 0; seconds = (int)(remaining_time * 3600.0); hours = seconds / 3600; @@ -275,59 +326,16 @@ static char *get_battery_info() { seconds -= (minutes * 60); (void)snprintf(part, sizeof(part), "%s %.02f%% %02d:%02d:%02d", - (status == CS_CHARGING? "CHR" : "BAT"), - (perc * 100), hours, minutes, seconds); - } - return part; -} - -/* - * Just parses /proc/net/wireless - * - */ -static char *get_wireless_info() { - char buf[1024]; - static char part[512]; - char *interfaces; - int fd; - memset(buf, 0, sizeof(buf)); - memset(part, 0, sizeof(part)); - - if ((fd = open("/proc/net/wireless", O_RDONLY)) == -1) - die("Could not open /proc/net/wireless"); - (void)read(fd, buf, sizeof(buf)); - (void)close(fd); - - interfaces = skip_character(buf, '\n', 2) + 1; - while (interfaces < buf+strlen(buf)) { - while (isspace((int)*interfaces)) - interfaces++; - if (strncmp(interfaces, wlan_interface, strlen(wlan_interface)) == 0) { - int quality; - /* Skip status field (0000) */ - interfaces += strlen(wlan_interface) + 2; - interfaces = skip_character(interfaces, ' ', 1); - while (isspace((int)*interfaces)) - interfaces++; - quality = atoi(interfaces); - /* For some reason, I get 255 sometimes */ - if ((quality == 255) || (quality == 0)) { - if (use_colors) - (void)snprintf(part, sizeof(part), "%s%s", concat("#FF0000 ", wmii_normcolors), " W: down"); - else (void)snprintf(part, sizeof(part), "W: down"); - - } else { - const char *ip_address; - (void)snprintf(part, sizeof(part), "W: (%03d%%) ", quality); - ip_address = get_ip_address(wlan_interface); - strcpy(part+strlen(part), ip_address); - } - - return part; - } - interfaces = skip_character(interfaces, '\n', 1) + 1; + (status == CS_CHARGING ? "CHR" : + (status == CS_DISCHARGING ? "BAT" : "FULL")), + (((float)remaining / (float)full_design) * 100), + hours, minutes, seconds); + } else { + (void)snprintf(part, sizeof(part), "%s %.02f%%", + (status == CS_CHARGING ? "CHR" : + (status == CS_DISCHARGING ? "BAT" : "FULL")), + (((float)remaining / (float)full_design) * 100)); } - return part; } @@ -356,6 +364,46 @@ static const char *get_ip_address(const char *interface) { return part; } +/* + * Just parses /proc/net/wireless looking for lines beginning with + * wlan_interface, extracting the quality of the link and adding the + * current IP address of wlan_interface. + * + */ +static char *get_wireless_info() { + char buf[1024]; + static char part[512]; + char *interfaces; + int fd; + memset(buf, 0, sizeof(buf)); + memset(part, 0, sizeof(part)); + + if ((fd = open("/proc/net/wireless", O_RDONLY)) == -1) + die("Could not open /proc/net/wireless\n"); + (void)read(fd, buf, sizeof(buf)); + (void)close(fd); + + interfaces = skip_character(buf, '\n', 1) + 1; + while ((interfaces = skip_character(interfaces, '\n', 1)+1) < buf+strlen(buf)) { + while (isspace((int)*interfaces)) + interfaces++; + if (!BEGINS_WITH(interfaces, wlan_interface)) + continue; + int quality; + if (sscanf(interfaces, "%*[^:]: 0000 %d", &quality) != 1) + continue; + if ((quality == UCHAR_MAX) || (quality == 0)) { + if (use_colors) + (void)snprintf(part, sizeof(part), "%sW: down", color("#FF0000")); + else (void)snprintf(part, sizeof(part), "W: down"); + } else (void)snprintf(part, sizeof(part), "%sW: (%03d%%) %s", + color("#00FF00"), quality, get_ip_address(wlan_interface)); + return part; + } + + return part; +} + /* * Combines ethernet IP addresses and speed (if requested) for displaying * @@ -366,18 +414,19 @@ static char *get_eth_info() { int ethspeed = 0; if (get_ethspeed) { +#ifdef LINUX /* This code path requires root privileges */ struct ifreq ifr; struct ethtool_cmd ecmd; - int err; ecmd.cmd = ETHTOOL_GSET; (void)memset(&ifr, 0, sizeof(ifr)); ifr.ifr_data = (caddr_t)&ecmd; (void)strcpy(ifr.ifr_name, eth_interface); - if ((err = ioctl(general_socket, SIOCETHTOOL, &ifr)) == 0) - ethspeed = (ecmd.speed == 65535 ? 0 : ecmd.speed); + if (ioctl(general_socket, SIOCETHTOOL, &ifr) == 0) + ethspeed = (ecmd.speed == USHRT_MAX ? 0 : ecmd.speed); else get_ethspeed = false; +#endif } if (ip_address == NULL) @@ -392,55 +441,178 @@ static char *get_eth_info() { } /* - * Checks if the PID in path is still valid by checking if /proc/ exists + * Checks if the PID in path is still valid by checking: + * (Linux) if /proc/ exists + * (NetBSD) if sysctl returns process infos for this pid * */ static bool process_runs(const char *path) { - char pidbuf[512], - procbuf[512], - *walk; - ssize_t n; + char pidbuf[16]; static glob_t globbuf; - struct stat statbuf; - const char *real_path; int fd; + memset(pidbuf, 0, sizeof(pidbuf)); if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0) - die("glob() failed"); - real_path = (globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path); - fd = open(real_path, O_RDONLY); + die("glob() failed\n"); + fd = open((globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path), O_RDONLY); globfree(&globbuf); if (fd < 0) return false; - if ((n = read(fd, pidbuf, sizeof(pidbuf))) > 0) - pidbuf[n] = '\0'; + (void)read(fd, pidbuf, sizeof(pidbuf)); (void)close(fd); - for (walk = pidbuf; *walk != '\0'; walk++) - if (!isdigit((int)(*walk))) { - *walk = '\0'; - break; - } - (void)snprintf(procbuf, sizeof(procbuf), "/proc/%s", pidbuf); + +#ifdef LINUX + struct stat statbuf; + char procbuf[512]; + (void)snprintf(procbuf, sizeof(procbuf), "/proc/%ld", strtol(pidbuf, NULL, 10)); return (stat(procbuf, &statbuf) >= 0); +#else + /* TODO: correctly check for NetBSD. Evaluate if this runs on OpenBSD/FreeBSD */ + struct kinfo_proc info; + size_t length = sizeof(struct kinfo_proc); + int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, strtol(pidbuf, NULL, 10) }; + if (sysctl(mib, 4, &info, &length, NULL, 0) < 0) + return false; + return (length != 0); +#endif +} + +/* + * Reads the configuration from the given file + * + */ +static int load_configuration(const char *configfile) { + #define OPT(x) else if (strcasecmp(dest_name, x) == 0) + + /* check if the file exists */ + struct stat buf; + if (stat(configfile, &buf) < 0) + return -1; + + int result = 0; + FILE *handle = fopen(configfile, "r"); + if (handle == NULL) + die("Could not open configfile\n"); + char dest_name[512], dest_value[512], whole_buffer[1026]; + + while (!feof(handle)) { + char *ret; + if ((ret = fgets(whole_buffer, 1024, handle)) == whole_buffer) { + /* sscanf implicitly strips whitespace */ + if (sscanf(whole_buffer, "%s %[^\n]", dest_name, dest_value) < 1) + continue; + } else if (ret != NULL) + die("Could not read line in configuration file\n"); + + /* skip comments and empty lines */ + if (dest_name[0] == '#' || strlen(dest_name) < 3) + continue; + + OPT("wlan") + wlan_interface = strdup(dest_value); + OPT("eth") + eth_interface = strdup(dest_value); + OPT("time_format") + time_format = strdup(dest_value); + OPT("battery_path") + battery_path = strdup(dest_value); + OPT("color") + use_colors = true; + OPT("get_ethspeed") + get_ethspeed = true; + OPT("normcolors") + wmii_normcolors = strdup(dest_value); + OPT("interval") + interval = atoi(dest_value); + OPT("wmii_path") + { +#ifndef DZEN + static glob_t globbuf; + struct stat stbuf; + if (glob(dest_value, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0) + die("glob() failed\n"); + wmii_path = strdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : dest_value); + globfree(&globbuf); + + if ((stat(wmii_path, &stbuf)) == -1) { + fprintf(stderr, "Warning: wmii_path contains an invalid path\n"); + free(wmii_path); + wmii_path = strdup(dest_value); + } + if (wmii_path[strlen(wmii_path)-1] != '/') + die("wmii_path is not terminated by /\n"); +#endif + } + OPT("run_watch") + { + char *name = strdup(dest_value); + char *path = name; + while (*path != ' ') + path++; + *(path++) = '\0'; + num_run_watches += 2; + run_watches = realloc(run_watches, sizeof(char*) * num_run_watches); + run_watches[num_run_watches-2] = name; + run_watches[num_run_watches-1] = path; + } + OPT("order") + { + #define SET_ORDER(opt, idx) { if (strcasecmp(token, opt) == 0) sprintf(order[idx], "%d", c++); } + char *walk, *token; + int c = 0; + walk = token = dest_value; + while (*walk != '\0') { + while ((*walk != ',') && (*walk != '\0')) + walk++; + *(walk++) = '\0'; + SET_ORDER("run", ORDER_RUN); + SET_ORDER("wlan", ORDER_WLAN); + SET_ORDER("eth", ORDER_ETH); + SET_ORDER("battery", ORDER_BATTERY); + SET_ORDER("load", ORDER_LOAD); + SET_ORDER("time", ORDER_TIME); + token = walk; + while (isspace((int)(*token))) + token++; + } + } + else + { + result = -2; + die("Unknown configfile option: %s\n", dest_name); + } + } + fclose(handle); + +#ifndef DZEN + if (wmii_path == NULL) + exit(EXIT_FAILURE); +#endif + + return result; } int main(int argc, char *argv[]) { char part[512], - pathbuf[512], - *end; + pathbuf[512]; unsigned int i; - int load_avg; char *configfile = PREFIX "/etc/wmiistatus.conf"; int o, option_index = 0; struct option long_options[] = { {"config", required_argument, 0, 'c'}, + {"help", no_argument, 0, 'h'}, {0, 0, 0, 0} }; - while ((o = getopt_long(argc, argv, "c:", long_options, &option_index)) != -1) + while ((o = getopt_long(argc, argv, "c:h", long_options, &option_index)) != -1) if ((char)o == 'c') configfile = optarg; + else if ((char)o == 'h') { + printf("wmiistatus (c) 2008-2009 Michael Stapelberg\n" + "Syntax: %s [-c ]\n", argv[0]); + return 0; + } if (load_configuration(configfile) < 0) return EXIT_FAILURE; @@ -448,45 +620,57 @@ int main(int argc, char *argv[]) { setup(); if ((general_socket = socket(AF_INET, SOCK_DGRAM, 0)) == -1) - die("Could not create socket"); + die("Could not create socket\n"); while (1) { for (i = 0; i < num_run_watches; i += 2) { bool running = process_runs(run_watches[i+1]); if (use_colors) - snprintf(part, sizeof(part), "%s %s: %s", - (running ? - concat("#00FF00 ", wmii_normcolors) : - concat("#FF0000 ", wmii_normcolors)), + snprintf(part, sizeof(part), "%s%s: %s", + (running ? color("#00FF00") : color("#FF0000")), run_watches[i], (running ? "yes" : "no")); else snprintf(part, sizeof(part), "%s: %s", run_watches[i], (running ? "yes" : "no")); snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]); - write_to_statusbar(pathbuf, part); + write_to_statusbar(pathbuf, part, false); } if (wlan_interface) - write_to_statusbar(concat(order[ORDER_WLAN], "wlan"), get_wireless_info()); + write_to_statusbar(concat(order[ORDER_WLAN], "wlan"), get_wireless_info(), false); if (eth_interface) - write_to_statusbar(concat(order[ORDER_ETH], "eth"), get_eth_info()); + write_to_statusbar(concat(order[ORDER_ETH], "eth"), get_eth_info(), false); if (battery_path) - write_to_statusbar(concat(order[ORDER_BATTERY], "battery"), get_battery_info()); + write_to_statusbar(concat(order[ORDER_BATTERY], "battery"), get_battery_info(), false); /* Get load */ +#ifdef LINUX + int load_avg; if ((load_avg = open("/proc/loadavg", O_RDONLY)) == -1) - die("Could not open /proc/loadavg"); + die("Could not open /proc/loadavg\n"); (void)read(load_avg, part, sizeof(part)); (void)close(load_avg); - end = skip_character(part, ' ', 3); - *end = '\0'; - write_to_statusbar(concat(order[ORDER_LOAD], "load"), part); + *skip_character(part, ' ', 3) = '\0'; +#else + /* TODO: correctly check for NetBSD, check if it works the same on *BSD */ + struct loadavg load; + size_t length = sizeof(struct loadavg); + int mib[2] = { CTL_VM, VM_LOADAVG }; + if (sysctl(mib, 2, &load, &length, NULL, 0) < 0) + die("Could not sysctl({ CTL_VM, VM_LOADAVG })\n"); + double scale = load.fscale; + (void)snprintf(part, sizeof(part), "%.02f %.02f %.02f", + (double)load.ldavg[0] / scale, + (double)load.ldavg[1] / scale, + (double)load.ldavg[2] / scale); +#endif + write_to_statusbar(concat(order[ORDER_LOAD], "load"), part, !time_format); if (time_format) { /* Get date & time */ time_t current_time = time(NULL); struct tm *current_tm = localtime(¤t_time); (void)strftime(part, sizeof(part), time_format, current_tm); - write_to_statusbar(concat(order[ORDER_TIME], "time"), part); + write_to_statusbar(concat(order[ORDER_TIME], "time"), part, true); } sleep(interval);