X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=i3-msg%2Fmain.c;h=91a714e56637b5df408885509f680ad14e6c4b48;hb=e4d6458cc31281297da3c1c906b8f321865929cc;hp=ccf6e10f276a54ce8d2716b593db7d9895890442;hpb=57bf93ebaf025e610970841908611512e03a1a1d;p=i3%2Fi3 diff --git a/i3-msg/main.c b/i3-msg/main.c index ccf6e10f..91a714e5 100644 --- a/i3-msg/main.c +++ b/i3-msg/main.c @@ -2,7 +2,7 @@ * vim:ts=4:sw=4:expandtab * * i3 - an improved dynamic tiling window manager - * © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE) + * © 2009 Michael Stapelberg and contributors (see also: LICENSE) * * i3-msg/main.c: Utility which sends messages to a running i3-instance using * IPC via UNIX domain sockets. @@ -14,7 +14,8 @@ * Additionally, it’s even useful sometimes :-). * */ -#include +#include "libi3.h" + #include #include #include @@ -29,18 +30,138 @@ #include #include +#include +#include + #include #include -#include "libi3.h" #include -static char *socket_path; +/* + * Having verboselog() and errorlog() is necessary when using libi3. + * + */ +void verboselog(char *fmt, ...) { + va_list args; + + va_start(args, fmt); + vfprintf(stdout, fmt, args); + va_end(args); +} + +void errorlog(char *fmt, ...) { + va_list args; + + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); +} + +static char *last_key = NULL; + +typedef struct reply_t { + bool success; + char *error; + char *input; + char *errorposition; +} reply_t; + +static reply_t last_reply; + +static int reply_boolean_cb(void *params, int val) { + if (strcmp(last_key, "success") == 0) + last_reply.success = val; + return 1; +} + +static int reply_string_cb(void *params, const unsigned char *val, size_t len) { + char *str = scalloc(len + 1, 1); + strncpy(str, (const char *)val, len); + if (strcmp(last_key, "error") == 0) + last_reply.error = str; + else if (strcmp(last_key, "input") == 0) + last_reply.input = str; + else if (strcmp(last_key, "errorposition") == 0) + last_reply.errorposition = str; + else + free(str); + return 1; +} + +static int reply_start_map_cb(void *params) { + return 1; +} + +static int reply_end_map_cb(void *params) { + if (!last_reply.success) { + fprintf(stderr, "ERROR: Your command: %s\n", last_reply.input); + fprintf(stderr, "ERROR: %s\n", last_reply.errorposition); + fprintf(stderr, "ERROR: %s\n", last_reply.error); + } + return 1; +} + +static int reply_map_key_cb(void *params, const unsigned char *keyVal, size_t keyLen) { + free(last_key); + last_key = scalloc(keyLen + 1, 1); + strncpy(last_key, (const char *)keyVal, keyLen); + return 1; +} + +static yajl_callbacks reply_callbacks = { + .yajl_boolean = reply_boolean_cb, + .yajl_string = reply_string_cb, + .yajl_start_map = reply_start_map_cb, + .yajl_map_key = reply_map_key_cb, + .yajl_end_map = reply_end_map_cb, +}; + +/******************************************************************************* + * Config reply callbacks + *******************************************************************************/ + +static char *config_last_key = NULL; + +static int config_string_cb(void *params, const unsigned char *val, size_t len) { + char *str = scalloc(len + 1, 1); + strncpy(str, (const char *)val, len); + if (strcmp(config_last_key, "config") == 0) { + fprintf(stdout, "%s", str); + } + free(str); + return 1; +} + +static int config_start_map_cb(void *params) { + return 1; +} + +static int config_end_map_cb(void *params) { + return 1; +} + +static int config_map_key_cb(void *params, const unsigned char *keyVal, size_t keyLen) { + config_last_key = scalloc(keyLen + 1, 1); + strncpy(config_last_key, (const char *)keyVal, keyLen); + return 1; +} + +static yajl_callbacks config_callbacks = { + .yajl_string = config_string_cb, + .yajl_start_map = config_start_map_cb, + .yajl_map_key = config_map_key_cb, + .yajl_end_map = config_end_map_cb, +}; int main(int argc, char *argv[]) { - socket_path = getenv("I3SOCK"); +#if defined(__OpenBSD__) + if (pledge("stdio rpath unix", NULL) == -1) + err(EXIT_FAILURE, "pledge"); +#endif + char *socket_path = NULL; int o, option_index = 0; - int message_type = I3_IPC_MESSAGE_TYPE_COMMAND; + uint32_t message_type = I3_IPC_MESSAGE_TYPE_RUN_COMMAND; char *payload = NULL; bool quiet = false; @@ -50,32 +171,40 @@ int main(int argc, char *argv[]) { {"version", no_argument, 0, 'v'}, {"quiet", no_argument, 0, 'q'}, {"help", no_argument, 0, 'h'}, - {0, 0, 0, 0} - }; + {0, 0, 0, 0}}; char *options_string = "s:t:vhq"; while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) { if (o == 's') { - if (socket_path != NULL) - free(socket_path); + free(socket_path); socket_path = sstrdup(optarg); } else if (o == 't') { - if (strcasecmp(optarg, "command") == 0) - message_type = I3_IPC_MESSAGE_TYPE_COMMAND; - else if (strcasecmp(optarg, "get_workspaces") == 0) + if (strcasecmp(optarg, "command") == 0) { + message_type = I3_IPC_MESSAGE_TYPE_RUN_COMMAND; + } else if (strcasecmp(optarg, "run_command") == 0) { + message_type = I3_IPC_MESSAGE_TYPE_RUN_COMMAND; + } else if (strcasecmp(optarg, "get_workspaces") == 0) { message_type = I3_IPC_MESSAGE_TYPE_GET_WORKSPACES; - else if (strcasecmp(optarg, "get_outputs") == 0) + } else if (strcasecmp(optarg, "get_outputs") == 0) { message_type = I3_IPC_MESSAGE_TYPE_GET_OUTPUTS; - else if (strcasecmp(optarg, "get_tree") == 0) + } else if (strcasecmp(optarg, "get_tree") == 0) { message_type = I3_IPC_MESSAGE_TYPE_GET_TREE; - else if (strcasecmp(optarg, "get_marks") == 0) + } else if (strcasecmp(optarg, "get_marks") == 0) { message_type = I3_IPC_MESSAGE_TYPE_GET_MARKS; - else if (strcasecmp(optarg, "get_bar_config") == 0) + } else if (strcasecmp(optarg, "get_bar_config") == 0) { message_type = I3_IPC_MESSAGE_TYPE_GET_BAR_CONFIG; - else { + } else if (strcasecmp(optarg, "get_binding_modes") == 0) { + message_type = I3_IPC_MESSAGE_TYPE_GET_BINDING_MODES; + } else if (strcasecmp(optarg, "get_version") == 0) { + message_type = I3_IPC_MESSAGE_TYPE_GET_VERSION; + } else if (strcasecmp(optarg, "get_config") == 0) { + message_type = I3_IPC_MESSAGE_TYPE_GET_CONFIG; + } else if (strcasecmp(optarg, "send_tick") == 0) { + message_type = I3_IPC_MESSAGE_TYPE_SEND_TICK; + } else { printf("Unknown message type\n"); - printf("Known types: command, get_workspaces, get_outputs, get_tree, get_marks, get_bar_config\n"); + printf("Known types: run_command, get_workspaces, get_outputs, get_tree, get_marks, get_bar_config, get_binding_modes, get_version, get_config, send_tick\n"); exit(EXIT_FAILURE); } } else if (o == 'q') { @@ -87,16 +216,11 @@ int main(int argc, char *argv[]) { printf("i3-msg " I3_VERSION "\n"); printf("i3-msg [-s ] [-t ] \n"); return 0; + } else if (o == '?') { + exit(EXIT_FAILURE); } } - if (socket_path == NULL) - socket_path = root_atom_contents("I3_SOCKET_PATH"); - - /* Fall back to the default socket path */ - if (socket_path == NULL) - socket_path = sstrdup("/tmp/i3-ipc.sock"); - /* Use all arguments, separated by whitespace, as payload. * This way, you don’t have to do i3-msg 'mark foo', you can use * i3-msg mark foo */ @@ -105,8 +229,7 @@ int main(int argc, char *argv[]) { payload = sstrdup(argv[optind]); } else { char *both; - if (asprintf(&both, "%s %s", payload, argv[optind]) == -1) - err(EXIT_FAILURE, "asprintf"); + sasprintf(&both, "%s %s", payload, argv[optind]); free(payload); payload = both; } @@ -114,34 +237,62 @@ int main(int argc, char *argv[]) { } if (!payload) - payload = ""; - - int sockfd = socket(AF_LOCAL, SOCK_STREAM, 0); - if (sockfd == -1) - err(EXIT_FAILURE, "Could not create socket"); + payload = sstrdup(""); - struct sockaddr_un addr; - memset(&addr, 0, sizeof(struct sockaddr_un)); - addr.sun_family = AF_LOCAL; - strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path) - 1); - if (connect(sockfd, (const struct sockaddr*)&addr, sizeof(struct sockaddr_un)) < 0) - err(EXIT_FAILURE, "Could not connect to i3"); - - if (ipc_send_message(sockfd, strlen(payload), message_type, (uint8_t*)payload) == -1) + int sockfd = ipc_connect(socket_path); + if (ipc_send_message(sockfd, strlen(payload), message_type, (uint8_t *)payload) == -1) err(EXIT_FAILURE, "IPC: write()"); + free(payload); if (quiet) return 0; uint32_t reply_length; + uint32_t reply_type; uint8_t *reply; int ret; - if ((ret = ipc_recv_message(sockfd, message_type, &reply_length, &reply)) != 0) { + if ((ret = ipc_recv_message(sockfd, &reply_type, &reply_length, &reply)) != 0) { if (ret == -1) err(EXIT_FAILURE, "IPC: read()"); exit(1); } + if (reply_type != message_type) + errx(EXIT_FAILURE, "IPC: Received reply of type %d but expected %d", reply_type, message_type); + /* For the reply of commands, have a look if that command was successful. + * If not, nicely format the error message. */ + if (reply_type == I3_IPC_REPLY_TYPE_COMMAND) { + yajl_handle handle = yajl_alloc(&reply_callbacks, NULL, NULL); + yajl_status state = yajl_parse(handle, (const unsigned char *)reply, reply_length); + yajl_free(handle); + + switch (state) { + case yajl_status_ok: + break; + case yajl_status_client_canceled: + case yajl_status_error: + errx(EXIT_FAILURE, "IPC: Could not parse JSON reply."); + } + + /* NB: We still fall-through and print the reply, because even if one + * command failed, that doesn’t mean that all commands failed. */ + } else if (reply_type == I3_IPC_REPLY_TYPE_CONFIG) { + yajl_handle handle = yajl_alloc(&config_callbacks, NULL, NULL); + yajl_status state = yajl_parse(handle, (const unsigned char *)reply, reply_length); + yajl_free(handle); + + switch (state) { + case yajl_status_ok: + break; + case yajl_status_client_canceled: + case yajl_status_error: + errx(EXIT_FAILURE, "IPC: Could not parse JSON reply."); + } + + goto exit; + } printf("%.*s\n", reply_length, reply); + +exit: free(reply); close(sockfd);