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#include <netdb.h> |
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#include <strings.h> |
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|
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#define RECONFIGURE_RETURN_CODE 2 |
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|
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typedef struct{ |
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int fm_port; |
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char *fm_host; |
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char *server_fqdn; |
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int server_udp_port; |
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int server_tcp_port; |
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long last_modified; |
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char *last_modified; |
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char *files_list; |
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char *key; |
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int udp_update_time; |
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errf("Server error (%m)"); |
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return -1; |
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} |
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< |
ihost_state->last_modified=atol(reply); |
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if((ihost_state->last_modified=strdup(reply)) == NULL){ |
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errf("strdup failed (%m)"); |
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return -1; |
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} |
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|
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reply=sock_comm(fm_fd_r, fm_fd_w, "FILELIST\n"); |
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if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0)){ |
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|
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return 0; |
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} |
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|
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int heartbeat(ihost_state_t *ihost_state){ |
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struct sockaddr_in addr; |
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struct in_addr haddr; |
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int sd; |
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FILE *fm_fd_r, *fm_fd_w; |
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char *reply; |
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int exitcode=0; |
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|
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if ((sd = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0) { |
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errf("Can't create AF_INET socket (%m)"); |
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return -1; |
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} |
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|
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if (get_host_addr(ihost_state->server_fqdn, &haddr) != 0){ |
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errf("Failed to resolve address %s (%m)", ihost_state->fm_host); |
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return -1; |
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} |
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|
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memset((char *)&addr, 0, sizeof addr); |
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addr.sin_family = AF_INET; |
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memcpy((char *)&addr.sin_addr, &haddr, sizeof haddr); |
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addr.sin_port = htons(ihost_state->server_tcp_port); |
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|
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if (connect(sd, (struct sockaddr *)&addr, sizeof addr) != 0) { |
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errf("Failed to connect to %s on port %d (%m)", ihost_state->fm_host, ihost_state->fm_port); |
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return -1; |
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} |
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|
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/* Need to open 2 files, one for reading one for writing, as it gets confused if we only use 1 :) */ |
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if ((fm_fd_r=fdopen(sd,"r")) == NULL){ |
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errf("Failed to open stream (%m)"); |
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return -1; |
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} |
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|
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if ((fm_fd_w=fdopen(dup(sd),"w")) == NULL){ |
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errf("Failed to open stream (%m)"); |
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return -1; |
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} |
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|
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reply=sock_comm(fm_fd_r, fm_fd_w, "HEARTBEAT\n"); |
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if ((reply==NULL) || (strncasecmp(reply, "ERROR", 2) == 0) ) { |
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errf("Server error"); |
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return -1; |
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} |
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|
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reply=sock_comm(fm_fd_r, fm_fd_w, "CONFIG\n"); |
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if ((reply==NULL) || (strncasecmp(reply, "ERROR", 2) == 0) ) { |
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errf("Server error"); |
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return -1; |
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} |
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|
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reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->files_list); |
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if ((reply==NULL) || (strncasecmp(reply, "OK", 2) != 0) ) { |
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errf("Server error"); |
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return -1; |
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} |
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|
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reply=sock_comm(fm_fd_r, fm_fd_w, ihost_state->last_modified); |
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if (reply==NULL) { |
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errf("Server error"); |
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return -1; |
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} |
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if (strncasecmp(reply, "ERROR", 2) == 0){ |
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/* Means the config has changed */ |
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exitcode=RECONFIGURE_RETURN_CODE; |
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} |
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reply=sock_comm(fm_fd_r, fm_fd_w, "KEY\n"); |
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if ((reply==NULL) || (strncasecmp(reply, "ERROR", 2) == 0) ) { |
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errf("Server error"); |
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return -1; |
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} |
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|
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if((ihost_state->key=strdup(reply)) == NULL){ |
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errf("strdup failed (%m)"); |
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return -1; |
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} |
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|
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reply=sock_comm(fm_fd_r, fm_fd_w, "END\n"); |
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if((reply== NULL) || (strncasecmp(reply, "ERROR", 5) ==0 )){ |
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errf("Server error (%m)"); |
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return -1; |
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} |
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|
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return exitcode; |
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} |
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|
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|
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int main(int argc, char **argv){ |
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ihost_state_t ihost_state; |