document the logfile option

[gregoa/bti.git] / bti.c

diff --git a/bti.c b/bti.c
index a06c818499414462ed6bb2b00971372cc52a8333..e177187b7c9a36048c0b30394bb36a0c42fe1886 100644 (file)
--- a/bti.c
+++ b/bti.c
@@ -24,8 +24,10 @@
 #include <ctype.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <time.h>
 #include <sys/stat.h>
 #include <curl/curl.h>
+#include <readline/readline.h>
 #include "bti_version.h"
 
 
@@ -50,6 +52,9 @@ struct session {
        char *account;
        char *tweet;
        char *proxy;
+       char *time;
+       char *homedir;
+       char *logfile;
        int bash;
        enum host host;
 };
@@ -70,6 +75,7 @@ static void display_help(void)
        fprintf(stdout, "  --password password\n");
        fprintf(stdout, "  --proxy PROXY:PORT\n");
        fprintf(stdout, "  --host HOST\n");
+       fprintf(stdout, "  --logfile logfile\n");
        fprintf(stdout, "  --bash\n");
        fprintf(stdout, "  --debug\n");
        fprintf(stdout, "  --version\n");
@@ -83,17 +89,14 @@ static void display_version(void)
 
 static char *get_string_from_stdin(void)
 {
-       char *temp;
-       char *string;
+       static char *string = (char *)NULL;
+       if (string) {
+               free(string);
+               string = (char *)NULL;
+       }
 
-       string = zalloc(1000);
-       if (!string)
-               return NULL;
+       string = readline("tweet: ");
 
-       if (!fgets(string, 999, stdin))
-               return NULL;
-       temp = strchr(string, '\n');
-       *temp = '\0';
        return string;
 }
 
@@ -115,6 +118,8 @@ static void session_free(struct session *session)
        free(session->account);
        free(session->tweet);
        free(session->proxy);
+       free(session->time);
+       free(session->homedir);
        free(session);
 }
 
@@ -270,13 +275,13 @@ static void parse_configfile(struct session *session)
        char *password = NULL;
        char *host = NULL;
        char *proxy = NULL;
+       char *logfile = NULL;
        char *file;
-       char *home = getenv("HOME");
 
        /* config file is ~/.bti  */
-       file = alloca(strlen(home) + 7);
+       file = alloca(strlen(session->homedir) + 7);
 
-       sprintf(file, "%s/.bti", home);
+       sprintf(file, "%s/.bti", session->homedir);
 
        config_file = fopen(file, "r");
 
@@ -322,6 +327,11 @@ static void parse_configfile(struct session *session)
                        c += 6;
                        if (c[0] != '\0')
                                proxy = strdup(c);
+               } else if (!strncasecmp(c, "logfile", 7) &&
+                          (c[7] == '=')) {
+                       c += 8;
+                       if (c[0] != '\0')
+                               logfile = strdup(c);
                }
        } while (!feof(config_file));
 
@@ -341,12 +351,52 @@ static void parse_configfile(struct session *session)
                        free(session->proxy);
                session->proxy = proxy;
        }
+       if (logfile)
+               session->logfile = logfile;
 
        /* Free buffer and close file.  */
        free(line);
        fclose(config_file);
 }
 
+static void log_session(struct session *session, int retval)
+{
+       FILE *log_file;
+       char *filename;
+       char *host;
+
+       /* Only log something if we have a log file set */
+       if (!session->logfile)
+               return;
+
+       filename = alloca(strlen(session->homedir) +
+                         strlen(session->logfile) + 3);
+
+       sprintf(filename, "%s/%s", session->homedir, session->logfile);
+
+       log_file = fopen(filename, "a+");
+       if (log_file == NULL)
+               return;
+       switch (session->host) {
+       case HOST_TWITTER:
+               host = "twitter";
+               break;
+       case HOST_IDENTICA:
+               host = "identi.ca";
+               break;
+       default:
+               host = "unknown";
+               break;
+       }
+
+       if (retval)
+               fprintf(log_file, "%s: host=%s tweet failed\n", session->time, host);
+       else
+               fprintf(log_file, "%s: host=%s tweet=%s\n", session->time, host, session->tweet);
+
+       fclose(log_file);
+}
+
 int main(int argc, char *argv[], char *envp[])
 {
        static const struct option options[] = {
@@ -355,6 +405,7 @@ int main(int argc, char *argv[], char *envp[])
                { "password", 1, NULL, 'p' },
                { "host", 1, NULL, 'H' },
                { "proxy", 1, NULL, 'P' },
+               { "logfile", 1, NULL, 'L' },
                { "help", 0, NULL, 'h' },
                { "bash", 0, NULL, 'b' },
                { "version", 0, NULL, 'v' },
@@ -363,20 +414,29 @@ int main(int argc, char *argv[], char *envp[])
        struct session *session;
        pid_t child;
        char *tweet;
-       int retval;
+       int retval = 0;
        int option;
        char *http_proxy;
+       time_t t;
 #if 0
-       char *home = getenv("HOME");
        char *pwd = getenv("PWD");
        char *dir;
 #endif
+
+       rl_bind_key('\t', rl_insert);
        session = session_alloc();
        if (!session) {
                fprintf(stderr, "no more memory...\n");
                return -1;
        }
 
+       /* get the current time so that we can log it later */
+       time(&t);
+       session->time = strdup(ctime(&t));
+       session->time[strlen(session->time)-1] = 0x00;
+
+       session->homedir = strdup(getenv("HOME"));
+
        curl_global_init(CURL_GLOBAL_ALL);
 
        /* Set environment variables first, before reading command line options
@@ -418,6 +478,12 @@ int main(int argc, char *argv[], char *envp[])
                        session->proxy = strdup(optarg);
                        dbg("proxy = %s\n", session->proxy);
                        break;
+               case 'L':
+                       if (session->logfile)
+                               free(session->logfile);
+                       session->logfile = strdup(optarg);
+                       dbg("logfile = %s\n", session->logfile);
+                       break;
                case 'H':
                        if (strcasecmp(optarg, "twitter") == 0)
                                session->host = HOST_TWITTER;
@@ -496,12 +562,11 @@ int main(int argc, char *argv[], char *envp[])
        }
 
        retval = send_tweet(session);
-       if (retval && !session->bash) {
+       if (retval && !session->bash)
                fprintf(stderr, "tweet failed\n");
-               return -1;
-       }
 
-       session_free(session);
+       log_session(session, retval);
 exit:
-       return 0;
+       session_free(session);
+       return retval;;
 }